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Preprint ARTICLE | doi:10.20944/preprints202106.0593.v1

Sex-Specific Differences in Toxicity Following Systemic Paclitaxel Treatment and Localized Cardiac Radiotherapy

Nicole Chmielewski Stivers, Benoit Petit, Jonathan Ollivier, Virginie Monceau, Pelagia Tsoutsou, Ana Quintela Pousa, Xiaoming Lin, Charles Limoli, Marie-Catherine Vozenin

Subject: Medicine & Pharmacology, Allergology Keywords: chemotherapy; radiotherapy; sex-specificity

Online: 24 June 2021 (08:47:39 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202104.0323.v1

Evaluation of Sex Differences in Murine Diabetic Ketoacidosis and Neutropenic Models of Invasive Mucormycosis

Teclegiorgis Gebremariam, Sondus Alkhazraji, Abdullah Alqarihi, Nathan P. Wiederhold, Laura K. Najvar, Thomas F. Patterson, Scott G. Filler, Ashraf S. S. Ibrahim

Subject: Biology, Anatomy & Morphology Keywords: Rhizopus; Mucor; Mucormycosis; Murine; sex

Online: 12 April 2021 (21:07:37 CEST)

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Preprint REVIEW | doi:10.20944/preprints201808.0487.v1

Anxiety Disorders: Sex Differences in Serotonin and Tryptophan Metabolism

Tanya Songtachalert, Chutima Roomruangwong, Andre F. Carvalho, Michel Bourin, Michael Maes

Subject: Medicine & Pharmacology, Allergology Keywords: sex; anxiety disorders; 5-HT; tryptophan; immune system; inflammation

Online: 29 August 2018 (08:58:26 CEST)

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Anxiety disorders manifest in women more than in men by almost twofold. This narrative review aims to summarize the sex-related biological factors, which underpin anxiety, focusing on the interactions of sex and tryptophan/serotonin with anxiety.A literature search was conducted using Google Scholar, PubMed/MEDLINE, Scopus, and EMBASE databases from inception until December 31, 2017. This review shows that sex may interact with many serotonin functions thereby modulating anxiety, including 5-HT1A and 5-HT2C receptors, 5-HT transporter and central 5-HT concentrations and metabolism. Sex-steroids modulate the expression of serotonin transporter genes, creating a difference in serotonin availability. Sex and estrous cycle phases lead to varying anxiety responses to tryptophan depletion. Testosterone, progesterone and estrogen are important factors in mediating sex differences in serotonin responses to anxiety-generating behavioral tests. At prenatal levels, there are sex-related differences in the reciprocal relationships between serotonin and the HPA-axis, which modulate anxiety-like behaviors. Activated immune-inflammatory pathways induce indoleamine-2,3-dioxynease (IDO) and the tryptophan catabolite (TRYCAT) pathway thereby increasing tryptophan degradation and increasing the production of TRYCATs including kynurenine and quinolinic acid, which may create an overall anxiogenic effect. The effects of immune activation on IDO are significantly more pronounced in women than men and therefore females may show increased levels of anxiogenic TRYCAT following immune challenge. Aberrations in the IDO-activated TRYCAT pathway are found in pregnant females and parturients and are associated with increased anxiety levels in the postnatal period. The results of this review underscore the necessity of studying the associations between serotonin and anxiety in both sexes taking into account the effects of immune activation on IDO and production of anxiogenic TRYCATs. Future anxiety research should focus on the interactions between serotonin/tryptophan and sex, sex hormones, the menstrual cycle, pregnancy, the HPA axis and the immune system through production of anxiogenic TRYCATs.

Preprint ARTICLE | doi:10.20944/preprints201712.0064.v1

Few Sex Differences in Hospitalized Suicide Attempters Aged 70 and Above

Stefan Wiktorsson, Therese Rydberg Sterner, Madeleine Mellqvist Fässberg, Ingmar Skoog, Anne Ingeborg Berg, Paul Duberstein, Kimberly Van Orden, Margda Waern

Subject: Behavioral Sciences, Clinical Psychology Keywords: sex differences; suicide attempt; late life; depression; physical disability

Online: 11 December 2017 (13:04:01 CET)

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Preprint REVIEW | doi:10.20944/preprints201901.0262.v1

A Biopsychosocial Model of Sex Differences in Children’s Eating Behaviors

Kathleen L. Keller, Samantha M. R. Kling, Bari Fuchs, Alaina L. Pearce, Nicole A. Reigh, Travis Masterson, Kara Hickok

Subject: Behavioral Sciences, Behavioral Neuroscience Keywords: sex differences; eating behavior; food intake; biopsychosocial; children; brain imaging

Online: 26 January 2019 (02:49:04 CET)

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Preprint ARTICLE | doi:10.20944/preprints202212.0211.v1

Klotho Regulated by Estrogen Plays a Key Role in Sex Differences in Stress Resilience

Zhinei Tan, Yongxia Li, Yinzheng Guan, Javed Iqbal, Chenyue Wang, Xinming Ma

Subject: Life Sciences, Molecular Biology Keywords: klotho; estrogen; hippocampus; chronic stress; sex difference; stress resilience

Online: 13 December 2022 (01:09:36 CET)

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Preprint REVIEW | doi:10.20944/preprints202008.0591.v1

Sex Differences in Exercise Induced Bronchoconstriction in Athletes: A Systematic Review and Meta-Analysis

Daniel Rodriguez Bauza, Patricia Silveyra

Subject: Medicine & Pharmacology, General Medical Research Keywords: inflammation; atopy; exercise induced asthma; exercise induced bronchoconstriction; sex differences

Online: 27 August 2020 (05:31:38 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202008.0101.v1

Differences between Women and Men Regarding the Security Measures Required of the Hotel Sector to Deal with COVID-19

Alexandra Lenis Escobar, Ramón Rueda López, Antonio Menor Campos, Teresa López-Felipe

Subject: Social Sciences, Econometrics & Statistics Keywords: Covid-19; tourism; security measures; sex differences; ANOVA

Online: 4 August 2020 (16:05:20 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201911.0168.v1

Fine Motor Precision Tasks: Sex Differences in Performance with and without Visual Guidance across Different Age Groups

Liudmila Liutsko, Ruben Muinos, Josep Maria Tous Ral, María José Contreras

Subject: Behavioral Sciences, Cognitive & Experimental Psychology Keywords: fine motor precision; vision; proprioception; sex differences; individual differences; personality

Online: 15 November 2019 (03:46:22 CET)

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Preprint ARTICLE | doi:10.20944/preprints202205.0295.v1

Sex Differences in Nutritional Status and Associated Risk Factors Among Cardiovascular Disease (Cvd) Patients in Lahore, Pakistan; A Cross-Sectional Descriptive Study

Amina Faheem, Qaisar Raza, Sanaullah Iqbal, Rakhshanda Batool, Umer Faheem

Subject: Medicine & Pharmacology, Nutrition Keywords: Cardiovascular Diseases; Sex differences; Pakistani; Dietary intake patterns

Online: 23 May 2022 (10:30:30 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202008.0201.v1

Differences between Women and Men Regarding Security Measures to Prevent the COVID-19 Pandemic in the Hotel Sector

Alexandra Lenis Escobar, Ramón Rueda López, Antonio Menor Campos, Teresa López-Felipe

Subject: Social Sciences, Economics Keywords: Covid-19; tourism; security measures; sex differences; ANOVA; hotel sector

Online: 8 August 2020 (04:03:12 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202008.0146.v1

Differences between Women and Men in terms of Safety Measures to Prevent COVID-19 Pandemic in the Hotel Sector

Alexandra Lenis Escobar, Ramón Rueda López, Antonio Menor Campos, Teresa López-Felipe

Subject: Social Sciences, Economics Keywords: Covid-19; tourism; security measures; sex differences; ANOVA; hotel sector

Online: 6 August 2020 (10:08:54 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202205.0409.v1

Are There Sex Differences in Self-Reported Childhood Maltreatment in Major Depressive and Bipolar Disorders? A Retrospective Cross-Sectional Study

Daniela Caldirola, Tatiana Torti, Francesco Cuniberti, Silvia Daccò, Alessandra Alciati, Koen Schruers, Giovanni Martinotti, Domenico De Berardis, Giampaolo Perna

Subject: Medicine & Pharmacology, Psychiatry & Mental Health Studies Keywords: childhood trauma; major depressive disorder; bipolar disorder; sex difference; age

Online: 31 May 2022 (03:39:57 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201912.0168.v1

The sex Differences in Blood Pressure and Cardiac Autonomic Modulation during the Menopause Transition at Rest and after Aerobic Exercise Training

Maycon Jr Ferreira, Rodrigo D. Esposti, Aline O. Jarrete, Carlos H. G. Sponton, Angelina Zanesco

Subject: Medicine & Pharmacology, Sport Sciences & Therapy Keywords: sex differences; blood pressure; redox state; perimenopausal women; nitric oxide

Online: 12 December 2019 (09:43:23 CET)

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Preprint ARTICLE | doi:10.20944/preprints202212.0152.v1

Eugenio Martelli, Matilde Zamboni, Giovanni Sotgiu, Laura Saderi, Massimo Federici, Giuseppe Massimo Sangiorgi, Mariangela Valentina Puci, Allegra Rosa Martelli, Teresa Messina, Paolo Frigatti, Maria Pia Borrelli, Carlo Ruotolo, Ilaria Ficarelli, Paolo Rubino, Francesco Pezzo, Luciano Carbonari, Andrea Angelini, Edoardo Galeazzi, Luca Calia Di Pinto, Franco Michelino Fiore, Armado Palmieri, Giorgio Ventoruzzo, Giulia Mazzitelli, Franco Ragni, Antonio Bozzani, Enzo Forliti, Claudio Castagno, Pietro Volpe, Mafalda Massara, Diego Moniaci, Elisa Pagliasso, Tania Peretti, Mauro Ferrari, Nicola Troisi, Pietro Modugno, Maurizio Maiorano, Umberto Marcello Bracale, Marco Panagrosso, Mario Monaco, Giovanni Giordano, Giuseppe Natalicchio, Antonella Biello, Giovanni Maria Celoria, Alessio Amico, Mauro Di Bartolo, Massimiliano Martelli, Roberta Munaó, Davide Razzano, Giovanni Colacchio, Francesco Bussetti, Gaetano Lanza, Antonio Cardini, Bartolomeo Di Benedetto, Mario De Laurentis, Maurizio Taurino, Pasqualino Sirignano, Pierluigi Cappiello, Andrea Esposito, Santi Trimarchi, Silvia Romagnoli, Andrea Padricelli, Giorgio Giudice, Adolfo Crinisio, Giovanni Di Nardo, Giuseppe Battaglia, Rosario Tringale, Salvatore De Vivo, Rita Compagna, Valerio Stefano Tolva, Ilenia D'Alessio, Ruggiero Curci, Simona Giovannetti, Giuseppe D'Arrigo, Giusi Basile, Dalmazio Frigerio, Gian Franco Veraldi, Luca Mezzetto, Arnaldo Ippoliti, Fabio Massimo Oddi, Alberto Maria Settembrini

Subject: Medicine & Pharmacology, General Medical Research Keywords: chronic limb-threatening ischemia; outcome; sex; age; limb salvage

Online: 8 December 2022 (09:39:30 CET)

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Preprint ARTICLE | doi:10.20944/preprints202110.0288.v1

Sex Differences in the Associations of Nutrient Patterns with Total and Regional Adiposity: A Study of Middle-Aged Black South African Men and Women

Tshifhiwa Ratshikombo, Julia H. Goedecke, Melikhaya Soboyisi, Clement Kufe, Maphoko Masemola, Lisa K Micklesfield, Tinashe Chikowore

Subject: Life Sciences, Other Keywords: Nutrient patterns; Obesity; Sex differences; Total and regional adiposity; South Africa

Online: 20 October 2021 (10:17:40 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202106.0675.v1

Sex-biased Expression of Pharmacogenes Across Human Tissues

Maria Laura Idda, ILARIA CAMPESI, Giovanni Fiorito, Andrea Vecchietti, Silvana Anna Maria Urru, Maria Giuliana Solinas, Flavia Franconi, Matteo Floris

Subject: Biology, Anatomy & Morphology Keywords: pharmacogenes; transcripts; sex-bias; drug metabolism; sex differences

Online: 28 June 2021 (15:08:38 CEST)

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Preprint REVIEW | doi:10.20944/preprints202112.0380.v2

Considerations and Challenges for Sex-Aware Drug Repurposing

Jennifer Fisher, Emma Jones, Victoria Flanary, Avery Williams, Elizabeth Ramsey, Brittany Lasseigne

Subject: Medicine & Pharmacology, General Medical Research Keywords: sex differences; drug repurposing; sex-bias; sex-aware; review; therapeutics; pharmaceuticals; computational drug repurposing

Online: 8 March 2022 (10:34:42 CET)

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Sex differences are essential factors in disease etiology and manifestation in many diseases such as cardiovascular disease, cancer, and neurodegeneration (1). The biological influence of sex differences (including genomic, epigenetic, hormonal, immunological, and metabolic differences between males and females) and the lack of biomedical studies considering sex differences in their study design has led to several policies. For example, the National Institute of Health’s (NIH) sex as a biological variable (SABV) and Sex and Gender Equity in Research (SAGER)) policies to motivate researchers to consider sex differences (2). However, drug repurposing, a promising alternative to traditional drug discovery by identifying novel uses for FDA-approved drugs, lacks sex-aware methods that can improve the identification of drugs that have sex-specific responses (1,3–5). Sex-aware drug repurposing methods either select drug candidates that are more efficacious in one sex or deprioritize drug candidates based on if they are predicted to cause a sex-bias adverse event (SBAE), unintended therapeutic effects that are more likely to occur in one sex. Computational drug repurposing methods are encouraging approaches to develop for sex-aware drug repurposing because they can prioritize sex-specific drug candidates or SBAEs at lower cost and time than traditional drug discovery. Sex-aware methods currently exist for clinical, genomic, and transcriptomic information (3,6,7). They have not expanded to other data types, such as DNA variation, which has been beneficial in other drug repurposing methods that do not consider sex (8). Additionally, some sex-aware methods suffer from poorer performance because a disproportionate number of male and female samples are available to train computational methods (3). However, there is development potential for several different categories (i.e., data mining, ligand binding predictions, molecular associations, and networks). Low-dimensional representations of molecular association and network approaches are also especially promising candidates for future sex-aware drug repurposing methodologies because they reduce the multiple hypothesis testing burden and capture sex-specific variation better than the other methods (9,10). Here we review how sex influences drug response, the current state of drug repurposing including with respect to sex-bias drug response, and how model organism study design choices influence drug repurposing validation.

Preprint ARTICLE | doi:10.20944/preprints202011.0213.v1

Independent Evolution of Sex Chromosomes in Eublepharid Geckos, a Lineage with Environmental and Genotypic Sex Determination

Eleonora Pensabene, Lukáš Kratochvíl, Michail Rovatsos

Subject: Biology, Anatomy & Morphology Keywords: Gekkota; reptiles; DNA-seq; sex chromosomes; sex determination; qPCR

Online: 5 November 2020 (14:14:53 CET)

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Preprint ESSAY | doi:10.20944/preprints201801.0060.v1

Some Potentially Strategic Considerations for the Sex-Bot Industry

Glenn W. Smith

Subject: Arts & Humanities, Other Keywords: sexually-enable robot; sex-bot

Online: 8 January 2018 (09:56:06 CET)

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Preprint ARTICLE | doi:10.20944/preprints202002.0187.v1

Sample Preservation and Plant Sex Prediction in White Guinea Yam (Dioscorea rotundata Poir.) Seedlings

Asrat Asfaw, Paterne Agre, Chidinma Nwachukwu, Bunmi Olasanmi, Jude Obidiegwu, Emmanuel Nwachukwu, Patrick Adebola, David De Koeyer

Subject: Biology, Plant Sciences Keywords: dioecious; DNA quality; flower type; sample preservation method; sex genotype; sex phenotype; visual assay

Online: 14 February 2020 (04:22:20 CET)

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Preprint BRIEF REPORT | doi:10.20944/preprints202211.0215.v1

Alterations in Kidney Structures Caused by Age Vary According to Sex and Dehydration Condition

Susana Quirós Cognuck, Lucas Ferreira de Almeida, Wagner L. Reis, Márcia S. Silva, Gislaine Almeida Pereira, Sandra V. Zorro, André S. Mecawi, Terezila Machado Coimbra, Lucila L.K. Elias, José Antunes Antunes Rodrigues

Subject: Biology, Physiology Keywords: aging; body composition; kidney; sex differences

Online: 11 November 2022 (03:53:06 CET)

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Preprint ARTICLE | doi:10.20944/preprints202009.0329.v1

Intersectional Stigma, Identity, and Culture: A Grounded Theory of Female Escort Perspectives from Brazil and Pakistan

Belinda Brooks-Gordon, Nasra Poli

Subject: Social Sciences, Sociology Keywords: sex work; stigma; intersectionality; migrant; culture

Online: 15 September 2020 (04:41:50 CEST)

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Intersectional experiences, socio-cultural meanings, ethnic traditions and morals compound stigma-related stress (Jackson et al., 2020; Schmitz 2019). Sex workers are subject to various stigmatizing forces which can lead to secrecy, isolation and lack of social and cultural support (Koken 2012). Stigmatizing forces include structural humanitarian governance and aid interventions that conflate migration and sex work with insidious constraints and coercion. This study explored how migrant female sex workers from distinctive ethnic cultures manage their identity on a day to day basis in relation to the separation of work and home life. Methods: The perspectives of female sex workers were collected via a series of in-depth semi-structured interviews. The inclusion criteria were that the women had worked in sex work for over 18months, defined their involvement in sex work as voluntary, and were over 18yrs of age. The perspectives of seven women from South Asian (Pakistani), Brazilian, and British backgrounds were analyzed using Grounded Theory (Glaser and Strauss, 1967). Ethnicity was considered to explore how the women experienced stigma, how it impacted on the management of their identity, and how the process of change occurred. Results: The women used a variety of methods to maintain work and home life boundaries, processes they used switch into a role and all experienced stigma and tried to deal with it in ways such as concealment from friends and family. Two core categories and properties emerged from the data as participants felt guilt and/or shame but only the South Asian participants spoke of this with reference to their culture and religion. Conclusion: It was not migration per se but rather the relationship of migration to culture that was key to identity management. Participants reflected that as their country was considered collectivist country with interdependent thought, that any negativity felt could not only be reflected on the individual, but also the entire family. For these reasons Pakistani sex workers were subject to more complex stigmatizing forces, shame and guilt as regards risk and exposure. Discussion focusses on the processes and management strategies used to extend social and cultural support.

Preprint REVIEW | doi:10.20944/preprints201907.0034.v1

Problems Associated with Marketing Food and Drink Specifically at Women

Charles Spence

Subject: Social Sciences, Marketing Keywords: food marketing; sex/gender; advertising; nutrition

Online: 2 July 2019 (08:27:16 CEST)

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Preprint REVIEW | doi:10.20944/preprints201706.0127.v1

Sex Determining Mechanisms in Bivalves

Sophie Breton, Charlotte Capt, Davide Guerra, Donald Stewart

Subject: Biology, Animal Sciences & Zoology Keywords: sex determination; exual systems; bivalvia; mitochondria

Online: 30 June 2017 (07:28:18 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202212.0185.v1

De Novo Assembly and Annotation of 11 Diverse Shrub Willow (Salix) Genomes Reveals Novel Gene Organization in Sex-Linked Regions

Brennan Hyden, Kai Feng, Timothy B Yates, Sara Jawdy, Chelsea Cereghino, Lawrence B Smart, Wellington Muchero

Subject: Biology, Plant Sciences Keywords: Salix; shrub willow; genome assembly; sex determination

Online: 12 December 2022 (01:46:15 CET)

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Preprint ARTICLE | doi:10.20944/preprints202202.0169.v1

Girls Outperform Boys in Early Syntactic Development? Negative Evidence from Mandarin-Speaking Preschoolers

Nga Yui Tong, Hui Li

Subject: Arts & Humanities, Linguistics Keywords: sex differences; syntactic development; Mandarin-speaking children

Online: 14 February 2022 (09:19:51 CET)

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Preprint ARTICLE | doi:10.20944/preprints202104.0116.v2

Frail Males on the American Frontier: The Role of Environmental Harshness on Sex Ratios at Birth Across a Period of Rapid Industrialization

Ryan Schacht, Mike Hollingshaus, Heidi Hanson, Tim Bruckner, Shane J Macfarlan, Douglas Tharp, Ken R Smith

Subject: Social Sciences, Other Keywords: sex ratio; prenatal stress; demography; ecological stress

Online: 6 April 2021 (14:57:54 CEST)

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Preprint REVIEW | doi:10.20944/preprints201811.0029.v1

On the Difficulty of Marketing Food and Drink Products to Men and/or Women

Charles Spence

Subject: Behavioral Sciences, Applied Psychology Keywords: food marketing; sex/gender; personalization; customization; nutrition

Online: 2 November 2018 (07:00:20 CET)

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Preprint ARTICLE | doi:10.20944/preprints202012.0465.v2

The Role of Sexual Prejudice and Aetiology Beliefs on the Italians’ Attitudes towards Adoption by Same-Sex Couples

Silvia Di Battista, Daniele Paolini, Monica Pivetti, Lucia Mongelli

Subject: Keywords: beliefs about the aetiology of sexual orientation; sexual prejudice; same-sex couples; same-sex parenting; gay fathers; lesbian mothers

Online: 12 January 2021 (12:34:39 CET)

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Preprint ARTICLE | doi:10.20944/preprints202209.0377.v1

Calibrating A Comprehensive Immune Age Metric to Analyze the Cross Sectional Age-Related Decline in Cardiorespiratory Fitness

Peter Bröde, Maren Claus, Patrick D. Gajewski, Stephan Getzmann, Klaus Golka, Jan G. Hengstler, Edmund Wascher, Carsten Watzl

Subject: Biology, Physiology Keywords: aging; immunosenescence; physical fitness; physical activity; obesity; sex

Online: 26 September 2022 (05:00:15 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202209.0361.v1

Impact of Sex in Left Atrial Indices for Prognosis of Heart Failure with Preserved Ejection Fraction

Shiro Hoshida, Koichi Tachibana, Nobutaka Masunaga, Yukinori Shinoda, Tomoko Minamisaka, Hirooki Inui, Keisuke Ueno, Masahiro Seo, Masamichi Yano, Takaharu Hayashi, Akito Nakagawa, Yusuke Nakagawa, Shunsuke Tamaki, Takahisa Yamada, Yoshio Yasumura, Yohei Sotomi, Shungo Hikoso, Daisaku Nakatani, Yasushi Sakata

Subject: Medicine & Pharmacology, Cardiology Keywords: Ed/Ea; Fine-Gray model; HFpEF; LAVI; sex

Online: 23 September 2022 (08:09:57 CEST)

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Preprint REVIEW | doi:10.20944/preprints202110.0002.v1

Air Pollution Exposure as a Relevant Risk Factor for COPD Exacerbations in Male and Female Patients

Miguel Enrique Silva Rodriguez, Patricia Silveyra

Subject: Medicine & Pharmacology, Pharmacology & Toxicology Keywords: COPD exacerbation; air pollution; hospital admission; sex differences

Online: 1 October 2021 (10:02:16 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202109.0110.v1

Effects of Sex and 17β-Estradiol on Cardiac Fibroblast Morphology and Signaling Activities in vitro

Kelsey Watts, Will Richardson

Subject: Engineering, Biomedical & Chemical Engineering Keywords: cardiac fibroblasts; sex-specific; estrogen; fibrosis; heart failure

Online: 6 September 2021 (17:24:51 CEST)

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Preprint REVIEW | doi:10.20944/preprints202103.0067.v1

Diagnostic Tools for Autism Spectrum Disorders by Sex: Analysis of Current Status and Future Lines

Esperanza Navarro-Pardo, Fernanda López-Ramón, Yurena Alonso-Esteban, Francisco Alcantud-Marín

Subject: Behavioral Sciences, Applied Psychology Keywords: Autism Spectrum Disorders; Diagnostic Tools; Sex; Differential Diagnostic.

Online: 2 March 2021 (10:05:57 CET)

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Preprint ARTICLE | doi:10.20944/preprints201810.0579.v1

Association between Problematic Internet Use and Sleep Disturbance Among Adolescents: the Role of the Child’s Sex

Jiewen Yang, Yangfeng Guo, Xueying Du, Yi Jiang, Wanxin Wang, Di Xiao, Tian Wang, Ciyong Lu, Lan Guo

Subject: Behavioral Sciences, Social Psychology Keywords: Problematic Internet use, sleep disturbance, sex difference, adolescents

Online: 24 October 2018 (14:15:09 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201804.0107.v1

Molecular Sex Identification in Dioecious Hippophae rhamnoides L. via RAPD and SCAR Markers

Wu Zhou, Yuwei Wang, Gong Zhang, Guangxiang Luan, Shasha Chen, Jing Meng, Honglun Wang, Na Hu, Yourui Suo

Subject: Biology, Plant Sciences Keywords: Hippophae rhamnoides L.; dioecious; sex determination; RAPD; SCAR

Online: 9 April 2018 (10:48:47 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202108.0119.v1

CO-St (COVID 19- study): impact of the management of men versus women in the treatment of Covid 19. A Multi-Centric Observational study

Tiziana Ciarambino, filomena pietrantonio, Sara Rotunno, Alessandra Fiorentini, Rosalba Cipriani, Giuseppe Campagna, Giuseppe Straface, Eleonora Pistella, mauro giordano, Francesco Rosiello, Orazio Valerio Giannico, federica lorenzi

Subject: Medicine & Pharmacology, General Medical Research Keywords: SARS-CoV-2; COVID-19; gender role; sex differences

Online: 4 August 2021 (15:30:46 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201906.0163.v1

Urinary Equol is Associated with Bioavailable Testosterone but not Total Testosterone in Women

Hong-li Dong, Feng Xiong, Qing-wei Zhong, Yi-hong Li, Meng Liu, Wen-hua Ling, Xin-yi Tang, Yu-ming Chen

Subject: Medicine & Pharmacology, Nutrition Keywords: equol; bioavailable testosterone; total testosterone; sex hormone-binding globulin

Online: 17 June 2019 (10:53:28 CEST)

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Preprint REVIEW | doi:10.20944/preprints202211.0075.v1

Use of Antiandrogens as Therapeutic Agents in COVID-19 Patients

Efstathios S. Giotis, Emine Cil, Greg N. Brooke

Subject: Life Sciences, Virology Keywords: coronavirus; TMPRSS2; ACE2; SARS-CoV-2; androgens; sex hormones; antiandrogens

Online: 3 November 2022 (09:21:09 CET)

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Preprint ARTICLE | doi:10.20944/preprints202107.0446.v1

Non-Modifiable Risk Factors (Age and Sex), Stroke Types, and Outcomes in Rivers State, Nigeria: A Retrospective Hospital-Based Study

Osborne Ikechuckwu Osuegbu, Foluke Olukemi Adeniji, Golden Chukwuemaka Owhonda, Rogers Bariture Kanee, M Alblihed, Gaber El-Saber Batiha, Eric Osamudiamwen Aigbogun

Subject: Medicine & Pharmacology, Allergology Keywords: Age; Sex; Stroke Types; Outcomes; SEM; Tertiary Hospitals; Rivers State

Online: 20 July 2021 (11:45:13 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201905.0034.v1

Population Dynamics of Spotted Wing Drosophila (Drosophila suzukii Matsumara) in Maine Wild Blueberry (Vaccinium angustifolium Aiton)

Francis Drummond, Elissa Ballamn, Judith Collins

Subject: Biology, Entomology Keywords: long-term; sex ratio; action threshold; pest management; insecticide use

Online: 6 May 2019 (08:19:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202211.0355.v1

Risk Assessment of Transgender People: Development of Rodent Models Mimicking Gender-Affirming Hormone Therapies and Identification of Sex-Dimorphic Liver Genes as Novel Biomarkers of Sex Transition

Roberta Tassinari, Alessia Tammaro, Gabriele Lori, Sabrina Tait, Andrea Martinelli, Luigia Cangemi, Paolo Frassanito, Francesca Maranghi

Subject: Life Sciences, Other Keywords: testosterone; estrogen; cyprotenone acetate; masculinizing; feminizing; cytochrome P450; sex-specific genes

Online: 18 November 2022 (10:10:00 CET)

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Preprint ARTICLE | doi:10.20944/preprints202208.0178.v1

A Genome-Wide Association Study Reveals New Genes in a Molecular Network Associated With Alcohol Dependence and Related Clinical Measures

Anastasia Levchenko, Sergey Malov, Alexey Antonik, Anastasia Protsvetkina, Kseniya V. Rybakova, Alexander Kanapin, Alexey N. Yakovlev, Anna Y. Nenasteva, Anton E. Nikolishin, Nikolay Cherkasov, Natalia A. Chuprova, Anna S. Blagonravova, Angelica V. Sergeeva, Tatyana V. Zhilyaeva, Maria K. Denisenko, Raul R. Gainetdinov, Alexander O. Kibitov, And Evgeny M. Krupitsky

Subject: Medicine & Pharmacology, Psychiatry & Mental Health Studies Keywords: alcohol dependence; comorbidity; gene network; genome-wide association study; sex differences

Online: 9 August 2022 (10:35:29 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202107.0555.v1

Molecular Characterization of a Functional Membrane-Associated Progesterone Receptor Component 2 (PGRMC-2) in Maturing Oocytes of the Human Parasite Nematode Trichinella spiralis: Implications to the Host-Parasite Relationship

Jorge Morales-Montor, Álvaro Colin-Oviedo, Gloria María. González-González, José Prisco Palma-Nicolás, Alejandro Sánchez-González, Karen Elizabeth Nava-Castro, Lenin Dominguez-Ramirez, Martín García-Varela, Víctor Hugo Del Río-Araiza, Romel Hernández-Bello

Subject: Life Sciences, Biochemistry Keywords: Trichinella spiralis; muscle larvae; sex steroids receptors; oocytes; helminth; PGRMC; progesterone

Online: 26 July 2021 (09:08:31 CEST)

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Preprint REVIEW | doi:10.20944/preprints202006.0159.v1

SeXX and COVID-19: Tussle between the Two

Ashlesh Patil, Jaya Prasad Tripathy, Vishwajit Deshmukh, Bharat Sontakke, Satyendra C. Tripathi

Subject: Keywords: Sex; COVID-19; SARS Cov-2; ACE2; innate immunity; adaptive immunity

Online: 14 June 2020 (03:18:35 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202005.0364.v1

The Molecular Basis of Gender Variations in Mortality Rates Associated with the Novel Coronavirus (COVID-19) Outbreak

Ibrahim Y. Hachim, Mahmood Y. Hachim, Iman Mamdouh Talaat, Vanessa M. López-Ozuna, Narjes Saheb Sharif-Askari, Rabih Halwani, Qutayba Hamid

Subject: Medicine & Pharmacology, Pathology & Pathobiology Keywords: COVID-19; gender; transcriptomics; RAS; hydrolase activity; sex-based immunological differences

Online: 23 May 2020 (06:03:25 CEST)

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Since the outbreak of the novel coronavirus disease (COVID-19) at the end of 2019, the clinical presentation of the disease showed a great heterogeneity with a diverse impact between different subpopulations. Emerging evidence from different parts of the world showed significantly poor outcome among males compared to female patients. A better understanding of the molecular mechanisms behind this difference might be a fundamental step for a more effective and targeted response to the outbreak. For that reason, here we try to investigate the molecular basis of the gender variations in mortality rates related to COVID-19 infection. To achieve this, we used our in-house pipeline to process publicly available lung transcriptomic data from 141 females compared to 286 males. After excluding Y specific genes, our results showed a shortlist of 73 genes that are differentially expressed between the two groups. Our results showed downregulation of a group of genes that are involved in the regulation of hydrolase activity including (AGTR1, CHM, DDX3X, FGFR3, SFRP2, and NLRP2), which is also believed to be essential for lung immune response and antimicrobial activity in the lung tissues in males compared to females. In contrast, our results showed an upregulation of angiotensin II receptor type 1 (AGTR1), a member of the renin-angiotensin system (RAS) that plays a role in angiotensin-converting enzyme 2 (ACE2) activity modulation. Interestingly, recent reports and experimental animal models highlight an important role of this receptor in SARS-Coronavirus lung damage as well as pulmonary edema, suggesting a possible role of its blockers like losartan and olmesartan as potential therapeutic options for COVID-19 infection. Finally, our results also showed a differential expression of different genes that are involved in the immune response including the NLRP2 and PTGDR2, further supporting the notion of the sex-based immunological differences. Taken together, our results provide an initial evidence of the molecular mechanisms that might be involved in the differential outcomes observed between both genders during the COVID-19 outbreak. This might be essential for the discovery of new targets and more precise therapeutic options to treat COVID-19 patients from different clinical and epidemiological characteristics with the aim of improving their outcome.

Preprint REVIEW | doi:10.20944/preprints201805.0180.v1

Unanswered Questions Regarding Sex and BMP/TGF-β Signaling

Tapan A. Shah, Melissa B. Rogers

Subject: Life Sciences, Cell & Developmental Biology Keywords: BMP; TGF-β; signaling; sex; chromosomes; XIST; genomic imprinting; hormones; fibrosis

Online: 11 May 2018 (09:49:48 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202301.0403.v1

Are Men Better at Recognizing Emojis than Facial Expressions?

Linda Dalle Nogare, Alice Cerri, Alice Mado Proverbio

Subject: Behavioral Sciences, Cognitive & Experimental Psychology Keywords: visual perception; emotion; emoji; emoticon; sex differences; anger; fear; emotional communication; texting

Online: 23 January 2023 (08:43:06 CET)

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Preprint ARTICLE | doi:10.20944/preprints202212.0420.v1

Normative scores for CrossFit® Open Workouts: 2011 - 2022

Gerald T. Mangine, Nina Grundlingh, Yuri Feito

Subject: Medicine & Pharmacology, Sport Sciences & Therapy Keywords: fitness assessment; sport-specific; athlete classification; high-intensity functional training; sex differences

Online: 22 December 2022 (06:34:53 CET)

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Preprint REVIEW | doi:10.20944/preprints202207.0125.v1

A Fish of Multiple Faces, which Show us Enigmatic and Incredible Phenomena in Nature: Biology and Cytogenetics of the Genus Carassius

Martin Knytl, Adrian Forsythe, Lukáš Kalous

Subject: Life Sciences, Molecular Biology Keywords: hybridization; sexuality; asexuality; biotype; species; sex determination; ploidy level; Carassius auratus complex

Online: 7 July 2022 (09:56:49 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202109.0528.v1

Short-Term Cumulative Exposure to Ambient Traffic-Related Black Carbon and Blood Pressure: MMDA Traffic Enforcers’ Health Study

Zypher Jude G. Regencia, Godofreda V. Dalmacion, Antonio D. Ligsay, Emmanuel S. Baja

Subject: Medicine & Pharmacology, Other Keywords: black carbon; systolic blood pressure; diastolic blood pressure; sex; obesity; traffic enforcers

Online: 30 September 2021 (16:08:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202108.0309.v1

Gender Based Comparison and Effects of Multi-Year Physical Exercise Program on Motor Skills in Preschool Children

Kristian Plazibat, Josip Karuc, Tihomir Vidranski

Subject: Medicine & Pharmacology, Sport Sciences & Therapy Keywords: sex differences; fundamental motor skill; motor skills; physical activity; exercise effects; pediatrics

Online: 14 August 2021 (14:45:07 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202105.0457.v1

Body Mass Index and Birth Weight Improve Polygenic Risk Score for Type 2 Diabetes

Avigail Moldovan, Yedael Y. Waldman, Nadav Brandes, Michal Linial

Subject: Medicine & Pharmacology, Allergology Keywords: Body weight; Genetic variations; GWAS; Metabolic disease; Obesity; Sex difference; UK-Biobank

Online: 20 May 2021 (08:55:42 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202104.0108.v1

Effects of Media and Frame Rates on Hyperactivated Bovine Sperm Motility and an Analysis of Sperm Motility Subpopulation Structures in Sex-Sorted and Non-Sorted Semen

Chihiro Kanno, Sun-Sik Kang, Kentaro Q. Sakamoto, Yojiro Yanagawa, Seiji Katagiri, Masashi Nagano

Subject: Biology, Anatomy & Morphology Keywords: Capacitation; Computer-assisted sperm analysis; Hyperactivation; Sex-sorted semen; Sperm motility subpopulation

Online: 5 April 2021 (12:08:43 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202009.0159.v1

The Impact of Sex on Changes in Plasma Corticosterone and Cotinine Levels Induced by Nicotine in C57BL/6J Mice

Khoa Nguyen, Keiko Kanamori, Abdul Hamid, Kabirullah Lutfy

Subject: Medicine & Pharmacology, Psychiatry & Mental Health Studies Keywords: Nicotine; Cotinine; Corticosterone; LCMS; Sex; C57BL/6J mouse; CYP2A5; Plasma Levels; Subcutaneous Injection

Online: 7 September 2020 (08:08:54 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202206.0108.v1

Neuropsychological Findings in Adults with Triple X Syndrome

Maarten Otter, Bea Campforts, Connie TRM Stumpel, Thérèse Van Amelsvoort, Claudia Vingerhoets, Marjan Drukker

Subject: Behavioral Sciences, Cognitive & Experimental Psychology Keywords: Triple X syndrome; Adults; Neurocognitive functioning; Sex Chromosomal Disorders; Attention; Psychomotor speed; Executive functioning

Online: 7 June 2022 (11:26:18 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202112.0219.v1

Intragenic Duplication of DMRT1 in a SRY-Negative Boy with 46,XX Disorder of Sex Development

Veronica Bertini, Fulvia Baldinotti, Nina Tyutyusheva, Camillo Rosano, Cinzia Cosini, Adelaide Maria Caligo, Diego Peroni, Angelo Valetto, Silvano Bertelloni

Subject: Medicine & Pharmacology, Pediatrics Keywords: 46,XX disorder of sex development; SRY-negative male; Testis determination; DMRT1; DMRT1 duplication

Online: 14 December 2021 (07:58:55 CET)

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Preprint ARTICLE | doi:10.20944/preprints201609.0070.v1

Effects of Fetal Exposure to Asian Sand Dust on Fetal Development and Reproductive Function in Male Offspring

Seiichi Yoshida, Takamichi Ichinose, Keiichi Arashidani, Miao He, Hirohisa Takano, Takayuki Shibamoto

Subject: Medicine & Pharmacology, Pharmacology & Toxicology Keywords: asian sand dust; in utero exposure; secondary sex ratio; male reproduction; daily sperm production

Online: 20 September 2016 (11:39:47 CEST)

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Preprint COMMUNICATION | doi:10.20944/preprints202007.0073.v2

Sexual Dimorphism in the Multielemental Stoichiometric Phenotypes and Stoichiometric Niches of Spiders

Łukasz Sobczyk, Michał Filipiak, Marcin Czarnoleski

Subject: Biology, Ecology Keywords: ecological stoichiometry; predator; spider; sex; nutrition; nutritional ecology; arthropod; nutrient cycling; trophic link; food web

Online: 29 July 2020 (09:40:28 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202110.0347.v1

Strain, Sex, and Time Dependent Antidepressant-like Effects of Cannabidiol

Gabriela Pandini Silote, Michelle C. Gatto, Amanda Eskelund, Francisco S. Guimarães, Gregers Wegener, Sâmia R. L. Joca

Subject: Medicine & Pharmacology, Behavioral Neuroscience Keywords: Cannabidiol; S-Ketamine; Sex; Mice strain; Flinders Sensitive Line rats; Tail suspension test; Forced Swim Test.

Online: 25 October 2021 (12:32:45 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201907.0285.v1

Usefulness of a Concept Called Autonomous Selection

Idan S. Solon

Subject: Biology, Other Keywords: extended evolutionary synthesis; inheritance of acquired characters; stress-induced mutagenesis; fitness-dependent sex; horizontal gene transfer

Online: 25 July 2019 (08:24:32 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202112.0075.v1

Dynamic Patterns of Sex Chromosome Evolution in Neognath Birds: Many Independent Barriers to Recombination at the ATP5F1A Locus

Rebecca T. Kimball, Edward L. Braun

Subject: Life Sciences, Genetics Keywords: Sex chromosomes; Hill-Robertson interference; male-driven molecular evolution; pseudoautosomal region; pseudogenes; purifying selection; protein structure; Psittaciformes

Online: 6 December 2021 (13:21:10 CET)

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Preprint COMMUNICATION | doi:10.20944/preprints202112.0040.v1

The Comparative Analysis of the DNA Repeat Composition among Cannabis Sativa L., Humulus Lupulus L. And Humulus Japonicus Siebold & Zucc. With Heteromorphic Sex Chromosomes

Julia V. Bocharkina, Oleg S. Alexandrov, Olga V. Razumova, Gennady I. Karlov

Subject: Life Sciences, Genetics Keywords: Cannabis sativa L.; Humulus lupulus L.; Humulus japonicus Siebold & Zucc.; sex chromosomes; DNA repeats; transposons; genome sequencing

Online: 3 December 2021 (09:25:39 CET)

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Preprint ARTICLE | doi:10.20944/preprints202202.0310.v1

Translating the Biology of Rodents’ Sex-Recognition and Mate-Recognition to Humans’: Bridging the Pheromonal-Visual Gap

Yehuda Salu

Subject: Behavioral Sciences, Behavioral Neuroscience Keywords: Sex-recognition; mate-recognition; sexual orientation; puberty; vomeronasal-organ; VNO; learning sexual behavior; Medial-geniculate-nucleus; MGN; MASH

Online: 24 February 2022 (10:06:07 CET)

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Preprint REVIEW | doi:10.20944/preprints202005.0226.v1

Transgender Women in The Female Category of Sport: Is the Male Performance Advantage Removed by Testosterone Suppression?

Emma N. Hilton, Tommy R. Lundberg

Subject: Keywords: androgens; athletic performance; cross-hormone therapy; gender dysphoria; muscle; sex hormones; sporting policies; strength; transgender men; transgender women

Online: 13 May 2020 (11:25:23 CEST)

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Sex dimorphism starts during early embryogenesis and is further manifested in response to hormones during puberty. As this leads to physical divergence that is measurably different between sexes, males enjoy physical performance advantages over females within competitive sport. While this advantage is the underlying basis of the segregation into male and female sporting categories, these sex-based categories do not account for transgender persons who experience incongruence between their biological sex and their experienced gender identity. Accordingly, the International Olympic Committee determined criteria by which a transgender woman may be eligible to compete in the female category, requiring total serum testosterone levels to be suppressed below 10 nmol/L for at least 12 months prior to and during competition. Whether this regulation removes the male performance advantage has not been collectively scrutinized. Here, we aim to review how differences in biological characteristics between biological males and females affect sporting performance and assess whether evidence exists to support the assumption that testosterone suppression in transgender women removes the male performance advantage. In this review, we report that the performance gap between males and females amounts to 10-50% depending on sport. The performance gap is more pronounced in sporting activities relying on muscle mass and strength, particularly in the upper body. Longitudinal studies examining the effects of testosterone suppression on muscle mass and strength in transgender women consistently show very modest changes, where the loss of lean body mass, muscle area and strength typically amounts to approximately 5% after 1 year of treatment. Thus, current evidence shows that the biological advantage enjoyed by transgender women is only minimally reduced when testosterone is suppressed. Sports organizations may therefore be compelled to reassess current policies regarding participation of transgender women in the female category of sport.

Preprint ARTICLE | doi:10.20944/preprints201808.0307.v3

Effect of Gender on the Outcome of Patients Receiving Immune Checkpoint Inhibitors for Advanced Cancer: A Systematic Review and Meta-Analysis of Phase III Randomized Clinical Trials

Antonino Grassadonia, Isabella Sperduti, Patrizia Vici, Laura Iezzi, Davide Brocco, Teresa Gamucci, Laura Pizzuti, Marcello Maugeri-Saccà, Paolo Marchetti, Gaetana Cognetti, Michele De Tursi, Clara Natoli, Maddalena Barba, Nicola Tinari

Subject: Medicine & Pharmacology, Oncology & Oncogenics Keywords: Immune Checkpoint Inhibitors; anti-PD-1/PDL-1; anti-CTLA-4; gender; sex; Nivolumab; Pembrolizumab; Atezolizumab; Ipilimumab; Durvalumab

Online: 15 November 2018 (07:02:24 CET)

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Preprint REVIEW | doi:10.20944/preprints202206.0121.v1

Factors Modulating COVID-19: A Mechanistic Understanding Based on the Adverse Outcome Pathway Framework

Laure-Alix Clerbaux, Maria Cristina Albertini, Núria Amigó, Anna Beronius, Gillina F.G. Bezemer, Sandra Coecke, Evangelos P. Daskalopoulos, Giusy Del Giudice, Dario Greco, Lucia Grenga, Alberto Mantovani, Amalia Muñoz, Elma Omeragic, Nikolaos Parissis, Mauro Petrillo, Laura A. Saarimäki, Helena Soares, Kristie Sullivan, Brigitte Landesmann

Subject: Medicine & Pharmacology, Other Keywords: SARS-CoV-2 infection; COVID-19; modulating factors; Adverse Outcome Pathway; sex; age; co-morbidities; lifestyle; environment; pre-existing conditions

Online: 8 June 2022 (09:47:23 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201811.0463.v1

Sex-Specific Proteomics Changes Induced by Genetic Deletion of the Fibroblast Growth Factor 14 (FGF14) Regulator of Neuronal Ion Channels

Mark Sowers, Jessica Di Re, Paul Wadsworth, Alexander Shavkunov, Cheryl Lichti, Kangling Zhang, Fernanda Laezza

Subject: Life Sciences, Other Keywords: Mass Spectroscopy, Bioinformatics, FGF14, Voltage Gated Channels, Schizophrenia, Alzheimer’s Disease, Sex-Specific Differences, Synaptic Plasticity, Cognitive Impairment, Excitatory/Inhibitory Tone

Online: 19 November 2018 (11:54:50 CET)

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Preprint CONCEPT PAPER | doi:10.20944/preprints201710.0153.v1

‘Parabiotic Evolution’: From Stochasticity in Geochemical and Subsequent Processes to Genes, Genomes and Modular Cells

Richard Egel

Subject: Life Sciences, Molecular Biology Keywords: Tree of Life; origins of species; cellular lineage escape; endogenous compartmentation; proto-organelles; eukaryogenesis; origins of sex; syntrophic biofilms; endosymbiosis

Online: 24 October 2017 (04:27:17 CEST)

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Working Paper ARTICLE

Male Disadvantage in Oxidative Stress-Associated Complications of Prematurity: A Systematic Review, Meta-analysis and Meta-regression

Elke van Westering-Kroon, Maurice J Huizing, Eduardo Villamor-Martínez, Eduardo Villamor

Subject: Medicine & Pharmacology, Pediatrics Keywords: preterm birth; oxidative stress; sex differences; male disadvantage; female advantage; bronchopulmonary dysplasia; retinopathy of prematurity; necrotizing enterocolitis; intraventricular hemorrhage; periventricular leukomalacia; mortality.

Online: 3 September 2021 (11:08:04 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202111.0436.v1

DNA Environment of Centromeres and Non-homologous Chromosomes Interactions in Mouse

Victor Spangenberg, Losev Michail, Volkhin Ilya, Svetlana Smirnova, Nikitin Pavel, Oxana Kolomiets

Subject: Biology, Animal Sciences & Zoology Keywords: Prophase I of meiosis; chromatin; synaptonemal complex; chromosome; satellite DNA; chromocenter; nuclear architecture; MSCI; sex chromosomes; interactions of non-homologous chromosomes; chromatin silencing

Online: 23 November 2021 (15:58:17 CET)

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Pericentromeric regions of chromosomes enriched in tandemly repeated satellite DNA although representing a significant part of eukaryotic genomes are still understudied mainly due to interdisciplinary knowledge gaps. Recent studies suggest their important role in genome regulation, karyotype stability and evolution. Thus, the idea of satellite DNA as a junk part of the genome was refuted. Integration of data about molecular composition, chromosome behaviour and details of in situ organization of pericentromeric regions is of great interest. The objective of this work was a cytogenetic analysis of the interactions of pericentromeric regions non-homologous chromosomes in mouse spermatocytes using immuno-FISH. We analysed two events: the associations between cerntomeric regions of X chromosome and autosomes, and associations between centromeric regions of autosomal bivalents forming chromocenters. We conclude that X chromosome form temporary synaptic associations with different autosomes in early meiotic prophase I which normally can be found at pachytene-diplotene without signs of pachytene arrest. These associations are formed between the satellite DNA-enriched centomeric regions of X chromosome and different autosomes but not involve the satellite-poor centromeric region of Y-chromosome. We suggest the mechanism of X chromosome competitive replacement from such associations during synaptic correction. We showed that centromeric region of the X chromosome remains free of γH2Ax-dependent chromatin inactivation, while Y chromosome is completely inactivated. This findings highlights the predominant role of associations between satellite DNA-enriched regions of different chromosomes including X. We assume that X-autosome temporary associations is a manifestation of an additional synaptic disorders checkpoint. These associations are normally corrected before the late diplotene. We revealed that the intense spreading conditions applied to the spermatocytes I nuclei did not lead to destruction of stretched chromatin fibers i.e. elongated chromocenters enriched in satellite DNA. Revealed by us tight associations between pericentromeric regions of different autosomal bivalents and X chromosome may represent the basis for repeat stability maintenance in autosomes an X chromosome. The consequences of our findings are discussed. We obtained the preparations of mouse spermatocytes nuclei in the meiotic prophase I using two approaches: standard and extremely intense surface spread techniques. Using immuno-FISH we visualized tandemly repeated mouse Major and Minor satellite DNA located in the pericentromeric regions of chromosomes and performed a morphological comparison of the standard- and intensely spreaded meiotic nuclei. Based on our results, we assume the remarkable strength of the chromocenter-mediated associations, “chromatin “bridges”, between different bivalents at the pachytene and diplotene stages. We have demonstrated that the chromocenter “bridges” between the centromeric ends of meiotic bivalents are enriched in both tandemly repeated Major and Minor satellite DNA. Association of centromeric regions of autosomal bivalents and X-chromosome but not with Y-chromosome correlates with the absence of Major and Minor satellites on Y-chromosome. We suggest that revealed tight associations between pericentromeric regions of bivalents may represent the network-like system providing dynamic stability of chromosomal territories, as well as add new data for the hypothesis of ectopic recombination in these regions which supports sequence homogeneity between non-homologous chromosomes and does not contradict the meiotic restrictions imposed by the crossing-over interference near centromeres. We conclude that nuclear architecture in meio-sis may play an essential role in contacts between the non-homologous chromosomes providing the specific characteristics of pericentromeric DNA.

Preprint ARTICLE | doi:10.20944/preprints202111.0112.v1

Use of Advanced Artificial Intelligence in Forensic Medicine

Andrej Thurzo, Helena Svobodová Kosnáčová, Veronika Kurilová, Silvester Kosmeľ, Radoslav Beňuš, Norbert Moravanský, Peter Kováč, Kristína Mikuš Kuracinová, Michal Palkovič, Ivan Varga

Subject: Medicine & Pharmacology, Other Keywords: forensic medicine; forensic dentistry; forensic anthropology; 3D CNN; AI; deep learning; biological age determination; sex determination; 3D cephalometric; AI face estimation; growth prediction

Online: 5 November 2021 (10:00:56 CET)

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Preprint ARTICLE | doi:10.20944/preprints202103.0568.v1

Human Voice Took Over the Role of Pheromones in Establishing Sexual Orientations

YEHUDA SALU

Subject: Behavioral Sciences, Applied Psychology Keywords: Voice and sexual orientation; Human sex pheromones; Evolution of sexual orientation; Development of sexual orientation; Puberty; Causes of sexual orientation; Biology of sexual orientation

Online: 23 March 2021 (12:47:18 CET)

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Preprint ARTICLE | doi:10.20944/preprints202206.0234.v1

Alcohol Dependence Induces CRF Sensitivity in Female Central Amygdala GABA Synapses

Larry Rodriguez, Dean Kirson, Sarah A. Wolfe, Reesha R. Patel, Florence P. Varodayan, Angela E. Snyder, Pauravi J. Gandhi, Sophia Khom, Roman Vlkolinksy, Michal Bajo, Marisa Roberto

Subject: Life Sciences, Cell & Developmental Biology Keywords: corticotropin releasing factor (CRF); patch-clamp electrophysiology; sex difference; alcohol use disorder (AUD); Gamma-Aminobutyric Acid (GABA); central amygdala (CeA); spontaneous inhibitory post synaptic currents (sIPSCs)

Online: 16 June 2022 (08:41:35 CEST)

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