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Article
Computer Science and Mathematics
Artificial Intelligence and Machine Learning

Patrick Mukala

Abstract: FLOSS mailing lists record how newcomers learn, and earlier process-mining studies recognised learning activities in their messages with a-priori keyword models. This paper asks whether the architectures that now dominate natural language processing can perform that recognition step better, and what the language of contributions reveals about how participants mature. In Git and the Linux kernel every contribution is an e-mail that, once accepted, becomes a commit whose trailers (Reviewed-by, Helped-by, Mentored-by) name those who helped. This yields a corpus of 1,432,256 accepted patch e-mails with a learning clock for each author and a graph of helper-learner interactions. On author-disjoint partitions we compare an a-priori phase lexicon, TF-IDF with logistic regression, a Transformer trained from scratch and a Transformer pretrained by masked language modelling on 210,802 e-mails. Newcomers' e-mails (AUROC 0.789 in Git and 0.768 in Linux) and mentored work (0.688) are recognised best by TF-IDF with logistic regression. Pretraining improves the Transformer over training from scratch but leaves it 0.02 to 0.04 AUROC behind, and the a-priori lexicon is weakest (0.644, 0.575, 0.549). A fixed-cohort analysis shows that contributors' language moves towards a collective voice and explicit rationale as they mature, as the a-priori model predicts, whereas help received on the first patches is not associated with retention. A protocol for evaluating large language models on the same test sets is provided.

Article
Computer Science and Mathematics
Artificial Intelligence and Machine Learning

Ariel Elboim

Abstract: A probe R², a judge-human agreement rate or a cross-validated correlation is often read as evidence of fine-grained structure. When the target is grouped, a predictor that knows only the group can attain such a score. Building on conditional probing (Hewitt et al., 2021), we compare selected published headlines H with training-only group baselines B in the paper's own metric and, for nested comparisons, quantify the conditional predictive gain (CPG): the out-of-sample reduction in squared error from adding the representation to the group predictor, split exactly into group-mean and within-group parts. The aim is to quantify what a published score allows one to infer about the resolution of prediction. In our worked example, the space and time probes of Gurnee & Tegmark, country, state or borough means match or exceed the published space scores, and resolution oracles built from the target exceed the time scores. Beyond country and state means, residual readouts from four 6-7B models remove 20-34% of the remaining coordinate error (an increase in total R² of .008-.013); for one of them the CPG point estimates met thresholds frozen before evaluation, although with whole countries resampled the World interval reaches zero. On the eligible USA subset with counties observed in training, the saved readouts' net gain over state means comes from between-county differences, and a cross-fitted linear recalibration within counties yields gains near zero. Below the century, decade or year the gains are small. The same diagnostic applies to a language-model probe of political ideology, a Twitter prediction of county heart-disease mortality and LLM judges: on retained non-tie votes, a model-identity baseline calibrated from other human votes in the same collection attains much of the judges' agreement with humans, while the judges reduce its disagreement rate by 12-28%. We recommend reporting both numbers, at more than one grouping level, whenever a salient grouping could plausibly attain much of the reported performance.

Article
Computer Science and Mathematics
Artificial Intelligence and Machine Learning

François Duprat

,

Jean-Luc Ploix

,

Gérard Dreyfus

Abstract: The acid dissociation constant (pKa) is a fundamental property reflecting the local propensity of a chemical species to release a proton. While graph neural networks excel at predicting global properties, accurate pKa prediction requires a shift toward atomic mapping. We introduce hydrogen-centered graph machines (HGM), specifically designed for pKa prediction, by incorporating within the graph the mobile proton involved in the acid-base equilibrium. To support this approach, we refined over 2,300 metrologically validated data points to guarantee fidelity to aqueous species. By calibrating the parametric complexity of HGM across an ensemble of 50 models, we ensured generalization capabilities for robust predictions. As a result, HGM achieved root mean square errors (RMSEs) between 0.6 and 0.7 pKa units on the SAMPL6, Jensen, and EuroSAMPL1 test sets. However, 2D topological representations remain localized and thus fail to capture charge delocalization—where present—across an entire chemical species, particularly within complex poly-nitrogen systems. To bridge this gap, we introduce a mesomeric weighting strategy that complements the initial structure with relevant resonance forms. This approach significantly enhances predictive accuracy, driving the RMSE down to 0.5 pKa units for the more complex SAMPL6 and EuroSAMPL1 challenges. Beyond proven accuracy, HGM acts as an automated metrological filter to establish an applicability domain. Thus, HGM identifies structural anomalies—such as complex tautomers and 3D interactions like charge-assisted hydrogen bonds—via statistical warnings that confirm their pKa prediction falls beyond the actual scope of the HGM framework. As a definitive proof of concept, we deployed HGM to investigate four complex therapeutics (prednisolone, amoxicillin, azithromycin, and pristinamycin IA). We successfully pinpointed the exact ionization sites and attributed the measured pKa values to their corresponding equilibria. Benchmarking against the eight available experimental pKa values yields a mean absolute error of 0.4 pKa units. Fundamentally, for such complex systems, it is the synergy between the mapping of multiple speciation pathways and the chemist's critical evaluation that resolves the attribution ambiguities inherent to standard commercial databases. We release a standalone Docker container for result verification and out-of-the-box predictions of new compounds.

Short Note
Biology and Life Sciences
Life Sciences

Eleftherios P. Diamandis

Abstract: Current editorial guidelines from organizations such as the International Committee of Medical Journal Editors (ICMJE) treat generative artificial intelligence (AI) primarily as an administrative assistant or text manipulator, relegating its contributions to footnotes or acknowledgments. This policy framework misinterprets the operational reality of modern biomedical research, where advanced language models function as active intellectual partners capable of logical stress-testing, data synthesis, and hypothesis generation. Conflating operational cognitive contribution with legal and ethical accountability creates unnecessary opacity in scholarly publishing. To resolve this tension, this paper examines four structural credit frameworks—ranging from the institutional status quo to dual-track independent lists and expanded contributor taxonomies. We propose that medical publishing must evolve beyond obsolete binary definitions, establishing transparent attribution models that separate human regulatory liability from the recognition of machine-assisted scientific co-creation.

Article
Business, Economics and Management
Business and Management

Raimi Aziba-anyam Gift

,

Gloria Chinyere Chux-nyeche

Abstract: Background: Artificial intelligence (AI) is increasingly reshaping administrative systems in higher education; however, evidence regarding the differential effects of specific AI technologies on institutional performance remains limited. Understanding whether Optical Character Recognition (OCR), Chatbots and Virtual Assistants (CVA), and Robotic Process Automation (RPA) contribute differently to administrative outcomes is essential for evidence-informed digital transformation. Objectives: This study aimed to comparatively assess the effects of OCR, CVA, and RPA on administrative efficiency and effectiveness (AEE), decision-making (DM), and job redesign (JR), and to determine whether organizational culture moderates these relationships in Nigerian tertiary institutions. Methods: A cross-sectional quantitative study was conducted among 323 respondents from Nigerian tertiary institutions. Composite measures of OCR, CVA, RPA, AEE, DM, JR, and organizational culture were analysed using descriptive statistics, Pearson correlation, multiple regression, relative importance analysis, dominance analysis, and hierarchical moderation regression. Results: OCR demonstrated the highest mean AI score (mean 3.882, SD 0.831), followed by CVA (mean 3.849, SD 0.873) and RPA (mean 3.811, SD 0.905). Correlation analysis showed generally weak associations, with the strongest relationship observed between RPA and AEE (r = 0.161). The regression model predicting AEE was statistically significant (R² = 0.031; F = 3.410; p = 0.018), with RPA emerging as the only significant predictor (β = 0.148, p = 0.004). Models predicting DM (R² = 0.007; p = 0.524) and JR (R² = 0.002; p = 0.920) were not significant. Relative importance analysis showed that RPA contributed 83.1% of explained variance in AEE, while CVA contributed 85.1% in DM. Dominance analysis identified RPA as dominant for AEE (incremental R² = 0.0258) and JR (0.0009), and CVA for DM (0.0059). Organizational culture did not significantly moderate AI relationships across AEE (β = −0.109, p = 0.376), DM (β = 0.120, p = 0.323), or JR (β = 0.018, p = 0.891). Conclusion: AI technologies demonstrate outcome-specific rather than uniform effects within tertiary administrative systems. RPA showed the strongest empirical association with operational efficiency, whereas CVA demonstrated greater relative contribution to decision-support functions. Broader effects on decision-making, job redesign, and culture-dependent transformation remain limited. Recommendation: Tertiary institutions should adopt differentiated AI implementation strategies that align specific technologies with targeted administrative objectives, while strengthening infrastructure, workforce capacity, and governance frameworks to support sustainable digital transformation. Thus, this study provides empirical evidence that AI adoption in tertiary institutions should move beyond technology availability towards function-specific deployment. Identifying which AI applications contribute to particular administrative outcomes can support more effective, equitable, and context-responsive digital transformation policies.

Article
Computer Science and Mathematics
Security Systems

Benjamin Yankson

,

Jack Ruffner

,

Mildred Bonsu

Abstract: The Internet of Things (IoT) has become embedded in everyday consumer environments through smart home devices, wearables, connected appliances, and related technologies. These devices offer substantial convenience and functionality while creating persistent privacy and security concerns. This exploratory study examines how consumer IoT familiarity, usage, privacy and security concerns, awareness of data practices, and self-reported protective behaviors relate to one another. The study is interpreted through Protection Motivation Theory (PMT), the Technology Acceptance Model (TAM), and Risk Perception Theory (RPT). A cross-sectional survey was distributed to 423 members of the University at Albany community and yielded 30 complete responses (7.1%). Quantitative analyses used descriptive statistics, correlations, and a t-test, while open-ended responses were summarized to provide qualitative context. Respondents reported high familiarity and frequent IoT use alongside substantial privacy and security concern, but many demonstrated limited knowledge of the data collected by their devices and inconsistent protective practices. The hypothesis tests were not statistically significant at the .05 level: privacy concern and IoT usage were weakly negatively correlated (r = -0.167, p = .377); perceived risk and awareness were weakly positively correlated (r = .121, p = .525); the awareness-group comparison was nonsignificant (t = .717, p = .479); and trust in vendor privacy protection showed a moderate positive association with IoT usage that did not reach conventional significance (r = .334, p = .071). The results therefore provide exploratory rather than confirmatory evidence of an adoption concern paradox: participants often continued to use IoT technologies despite privacy and security concerns. The findings are consistent with the possibility that perceived usefulness, convenience, risk appraisal, self-efficacy, and trust jointly shape consumer behavior, but the small nonprobability sample and cross-sectional design preclude causal inference and broad generalization. Importantly, this study measures perceived risk and awareness; it does not independently conduct technical vulnerability assessments of participants' devices. This study contributes by integrating PMT, TAM, and RPT to interpret the coexistence of IoT adoption and privacy/security concern; documenting mismatches among concern, awareness, and self-reported protective behavior in an exploratory university sample; and identifying implications for user education, secure-by-default product design, vendor transparency, and future research that combines behavioral measures with objective device-security assessments.

Review
Biology and Life Sciences
Plant Sciences

Piao Yang

,

Ling Lu

Abstract: Membraneless compartments assembled by liquid–liquid phase separation have moved rapidly from a curiosity of in vitro biophysics to a working explanation for how crop plants sense temperature, water, ions and pathogens. In this review, we synthesize the physicochemical rules that govern condensate assembly in plant cells, trace how those rules are deployed across the horticultural pathosystems and stress physiologies that matter for food production and evaluate the emerging engineering and chemical toolkits — synthetic scaffolds, optogenetic phase regulators, condensate-targeting phytovirucides and condensate-aware breeding alleles — that aim to convert condensate biology into agronomic gain.

Article
Social Sciences
Anthropology

Megan Rivera

,

Evelyn Lozano

,

Lidia Regino

,

Maria Tellez

,

Daniel Perez Rodriguez

,

Camille Vasquez

,

Alejandro Aragon

,

Cristina Murray-Krezan

,

Janet Page-Reeves

Abstract: “Tertulias” (Spanish for “conversational gatherings”) was a study to test a novel peer support group intervention with the purpose of reducing depression and social isolation, and increasing empowerment and resilience, for participants who were women immigrants from Mexico. Tertulias integrated group shared reading (SR) and arts-based research (ABR) activities as novel components of the peer support model being tested. Tertulias was a large, randomized control trial involving 252 participants followed over 12 months, which fills a key gap in SR and ABR research. Results demonstrate that these two practices resulted in unique outcomes that would not have been obtained using traditional health promotion approaches and they revealed novel insights that would not have been able to be discerned using standard research techniques, including using standard community-engaged research techniques. Here, we describe SR and ABR in the outcomes of the study and what we learned about them as novel community practices. The experience of Tertulias with using and integrating SR and ABR demonstrates the valuable potential of these two approaches, used alone or together, for enhancing social connectedness among participants, deepening our understanding of the process and outcomes, and for strengthening community practice in the context of Community-Engaged Research.

Article
Social Sciences
Political Science

Safran Safar Almakaty

Abstract: Bilateral strategic partnerships (BSPs) have become a pivotal instrument of interstate cooperation, yet the concept remains undertheorized and systematic cross-case analysis of partnership structure and resilience is scarce. This study constructs a four-axis analytical framework distinguishing BSPs from cognate forms of cooperation and applies it, through reflexive thematic analysis and structured focused comparison, to four paradigmatic models—Franco-German, U.S.–Japan, Sino-Russian, and Saudi–U.S.—drawing on treaty texts, joint communiqués, official policy documents, institutional statistics, and peer-reviewed scholarship from 2015 to 2025. Three findings emerge. Partnership durability rests on four interdependent enabling conditions, of which institutional architecture alone discriminates among outcomes and alone compensates for weakness elsewhere in the system. Dimensional balance is analytically distinct from dimensional depth, and balanced partnerships absorb shocks that skewed partnerships do not. Typological placement is dynamic rather than fixed: the Saudi–U.S. case demonstrates how a partnership anchored historically in a single functional domain can be deliberately broadened into a multidimensional framework through a national transformation strategy, exercising strategic agency over the terms of its most consequential external relationship. The study concludes that BSPs function not merely as bilateral instruments but as constitutive building blocks of a polycentric international order, while cautioning against the inflationary deployment of the partnership label.

Article
Biology and Life Sciences
Food Science and Technology

Aimme del Carmen Romero Domínguez

,

Fernando Díaz de León-Sánchez

,

José Alberto Mendoza-Espinoza

,

Josefat Gregorio-George

,

Francisco Cruz-Sosa

,

Víctor Hugo Oidor-Chan

,

Lizette Liliana Rodríguez-Verástegui

Abstract: Prickly pear (Opuntia ficus-indica) fruits are recognized as valuable sources of bioactive compounds with potential health-promoting properties. However, the relationship between phytochemical composition and antidiabetic activity among different cultivars remains insufficiently characterized. This study evaluated the chemical composition, antioxidant capacity, and anti-hyperglycemic effects of juices obtained from three Mexican prickly pear cultivars (San Martín, Mandarina, and Vigor). Organic acids, sugars, total phenolic and total flavonoid content, betalains, and antioxidant capacity were determined using chromatographic and spectrophotometric methods. The antihyperglycemic activity of the juices was evaluated in healthy Wistar rats using oral glucose tolerance tests (OGTT), and the antidiabetic potential of the San Martín cultivar was assessed in a neonatal streptozotocin-induced type 2 diabetes (T2D) model. Ascorbic acid, oxalic acid, and malic acid were identified in all cultivars, with ascorbic acid being the predominant organic acid in San Martín and Mandarina cultivars juices. Mandarina cultivar exhibited the highest concentration of total phenolic compounds, whereas San Martín cultivar contained significantly greater levels of flavonoids and betalains. Antioxidant activity assessed by ABTS and FRAP assays confirmed the presence of highly active hydrophilic antioxidant compounds. Among the cultivars evaluated, only Mandarina and San Martín juices significantly attenuated postprandial hyperglycemia in healthy animals. Interestingly, freeze-drying abolished the antihyperglycemic effect of San Martín cultivar juice, suggesting degradation or modification of bioactive constituents during processing. In diabetic rats, sub-chronic administration of fresh San Martín cultivar juice significantly reduced blood glucose levels but failed to restore glucose tolerance. Altogether, these findings demonstrate that San Martín prickly pear cultivar juice represents a promising source of bioactive compounds with antihyperglycemic activity. The observed effects are likely associated with the synergistic action of flavonoids, betalains, phenolic compounds, and ascorbic acid. Further mechanistic studies and clinical investigations are warranted to elucidate the molecular pathways involved and evaluate its potential as a functional food for the management of T2D.

Article
Physical Sciences
Theoretical Physics

Jeffrey Satinover

Abstract: Varying the probabilities of the branches in a massive spatial superposition provides a controlled way to test gravitational response models. We develop this comparison for fixed source configurations and calibrated probe measurements. The between-branch covariance obeys a pairwise-distance law on the probability simplex and has rank at most one less than the number of occupied branches. Higher cumulants and ensemble-size scans constrain the same response model, although their statistics can also be produced by classical branch mixtures. Coherence recovery adds information when its permitted operations and accessible records are specified independently. For a branch-preserving measurement that produces an irreversible classical record and drives a common feed-forward response, we derive an upper bound on recovered source coherence in terms of record overlaps. A calibrated response diameter converts this into a response--recovery inequality. A second bound relates recovery to the conditional response variances and remains applicable to unbounded feedback with finite second moments. An explicit binary model saturates both inequalities. Coherent momentum transfer provides a contrasting example in which the probe statistics remain branch resolved while an eraser measurement restores source coherence. These comparisons require separate measurements of conditional probe noise, trajectories, and calibration parameters. The bounds apply to the stated classical-record channel; their application to a gravitational theory requires a derivation of that channel from the theory. Branch-weight scans therefore support quantitative tests of specified models without providing a theory-independent criterion for quantized gravity.

Article
Computer Science and Mathematics
Analysis

Rafik Zeraoulia

Abstract: We study the odd open spin-1 antiferromagnetic Heisenberg chain with positive endpoint fields through its reversible ground-state transform. The main results are two unconditional all-length obstructions to standard proof strategies. First, a high-magnetization projection recursion gives an explicit product bound on the fully polarized ground-state probability. For every positive field sequence \( h_N=o(N) \) this yields \( \alpha_N(h_N)\to 0 \), \( \qquad \limsup_{N\to\infty}\alpha_N(h_N)\log(N/h_N)\leq \frac{30}{7} \), for the ordinary logarithmic Sobolev constant of the ground-state process, with logarithmic tail coefficient at least (7/6). This does not imply collapse of either the Hamiltonian gap or the modified logarithmic Sobolev constant. Second, for the Diaconis–Stroock/Sinclair length-weighted congestion functional used in this paper, every routing with unit edge lengths has congestion at least linear in N; the same conclusion holds for uniformly comparable edge lengths, while routings forced through a polarized configuration obey a stronger rare-state obstruction. These are limitations of that comparison certificate, not upper bounds on the physical gap.As a complementary exact calculation, transfer matrices for the open AKLT ground space give both the singlet/triplet compression of \( W_m=\sum_{i=1}^{m-1}P_{1,i} \) and its coupling to the orthogonal complement. The compressed spectral diameter is \( O(m3^{-m}) \), whereas \( ||Q_mW_m\mathsf P_m||\sim\sqrt{2(m-1)}/3 \). This finite-block statement quantifies why the bare compressed splitting alone does not control the perturbation at the Heisenberg point; it is not a replacement for a locality-sensitive AKLT stability theorem. Exact rational inertia and interval arithmetic then provide supporting finite-volume certificates: full gaps and the complete AKLT–Heisenberg interpolation are certified for \( N=3,5 \), and at \( N=5,h=1 \) one obtains both a negative pointwise Bakry–Émery curvature witness and [ 27/25<\Delta_5(1)<567/500. \( 27/25<\Delta_5(1)<567/500 \)These finite-volume statements have no asserted local-to-global consequence. The fixed-field uniform boundary-gap problem remains open.

Article
Physical Sciences
Astronomy and Astrophysics

Xu Hui

Abstract: Within the derivative-coupled effective action shared with the three-epoch model, we analyze the neutral, symmetric, shift-symmetric background branch and derive \(X\propto a^{-6}\), the mass zero-crossing slope \(\alpha=-\dot m_{\rm eff}^{\,2}(t_c)=6H_c|b|\), and the instability band \(p/a<\mu=\sqrt{-b-\gamma X}\). We construct transverse-traceless (TT) sources from non-collinear scalar gradients and show that, within the stated approximation, each tensor wavenumber \(0<K<2\mu\) admits a nonzero two-mode source. In the short-time constant-coefficient model of single real mode, zero initial data, no post-source impulse, a finite-duration exponential source leaves strictly positive residual wave energy. These results establish a conditional radiation mechanism and a continuous frequency band, but do not select a unique spectral peak; the companion contains conditional proof bodies. At the neutral origin, the composite branch of the neutrino-condensation model shares the instability structure through \(b_N=(G_0^{-1}-C)/Z_m\) and \(\gamma_N=\eta/Z_m\); a conserved nonzero time-charge branch cannot originate from an exactly vanishing condensate and requires a separate perturbation analysis. The present-day frequency is \(f_0=(a_*/a_0)K_*/(2\pi\hbar)\). For radiation domination with an adiabatic benchmark, \(f_0\simeq2.6493\times10^{-8}\,q_*(T_*/\mathrm{GeV})\,\mathrm{Hz}\), where \(q_*=K_*/H_*\) must be computed from the source. Emission before reheating also depends on the pre-reheating expansion and entropy history. The three cosmological epochs provide, respectively, early statistical and background conditions, possible intermediate-era inhomogeneous sources, and late-time propagation under conditional vacuum domination; their number fixes neither the number of emission events nor the number of spectral peaks. We derive a composite-parameter upper band bound, an explicit Gaussian spatial UETC with independent temporal coherence, and a tensor-work energy budget. Continuous-time covariance and finite-wave-packet positivity complement the earlier single-mode result. We formulate a unified unequal-time-correlator (UETC) and Green-function response framework, audit the legacy frequency estimates, and exhibit explicit examples of frequency non-uniqueness. The companion Lean file formalizes selected parts of this evidence chain under explicit assumptions; the physical matching, source statistics, and thermal history remain to be determined.

Article
Computer Science and Mathematics
Geometry and Topology

Aleksei Novgorodtsev

Abstract: Cohn and Rajagopal conjectured that no six-dimensional kissing configuration with Szöllősi's configuration Q5 or with their configuration R5 as a cross section can contain 72 or more points. We prove that such a configuration has at most 70 points, and we exhibit configurations with 64 points. The argument combines three ingredients: an elementary bound on the heights of points above a cross section in terms of its covering constant; a positive-kernel bound on each side of the section, together with its equality case; and explicit polar and deep-hole certificates. The upper bound 70 and a manual polar certificate also appear in a manuscript of Iuzhakov and Vetrov; we incorporate their certificate with attribution, so the proof of this bound and the 64-point constructions can be checked without exhaustive computation. The same method shows that every 72-point kissing configuration in R6 with a D5 or L5 cross section is isometric to one of the four classical configurations, and that a seven-dimensional kissing configuration with an E6 cross section has at most 126 points, with exactly two configurations attaining 126 up to isometry. We also prove explicit neighborhood bounds of 40, 72 and 126 in dimensions five, six and seven; for E6 the radius is \( \sqrt{113/448}-1/2>1/450 \).

Article
Engineering
Electrical and Electronic Engineering

Mohammad S. Irsheid

,

Waleed Fadel

Abstract: This study tackles high power generation costs and emissions in power systems with Line Commutated Converter-based High Voltage Direct Current (LCC-HVDC) integration. Although LCC-HVDC reduces costs and emissions, it demands substantial reactive power support. To address this, three shunt capacitors (SCs) are added to lower costs and improve performance. An optimization model minimizes generation costs and emissions under varying load levels using the Backtracking Search Algorithm (BSA) for its robust global search and constraint-handling capabilities. The IEEE 30-bus system is used under three different load levels to evaluate performance. The study examines three cases: the base system, the system with HVDC, and the system with HVDC and SCs. Results show that integrating HVDC and SCs reduces generation costs and emissions considerably. For nominal load, the cost dropped by 15.28% with HVDC and SCs. The BSA was more efficient in optimization than the Artificial Bee Colony (ABC) algorithm.

Article
Medicine and Pharmacology
Ophthalmology

Pedro Durães Serracarbassa

,

Tercio Rocha

,

Luciana Lucci

,

Antonieta Antunes Pereira Minello

,

Mateus Vilarino Ribeiro

,

Samuel Faustino Silva

,

Beatriz Vernek Carvalho

,

Crispim Elias Campos Júnior

,

Aliny de Jesus Quintino

,

Thales Cunha Magalhães Silva

+2 authors

Abstract: Inherited retinal diseases (IRDs) are progressive disorders characterized by photoreceptor and reti-nal pigment epithelium dysfunction, for which effective disease-modifying treatments remain lim-ited. Wharton’s jelly-derived mesenchymal stromal cells (WJ-MSCs) may exert neuroprotective and immunomodulatory effects through paracrine mechanisms. The suprachoroidal route may provide targeted delivery toward the choroid–retinal pigment epithelium–outer retinal interface while avoiding direct subretinal transplantation. This study evaluated preliminary structural, functional, electrophysiological, and safety outcomes 45 days after suprachoroidal administration of WJ-MSCs in patients with IRDs. This prospective, open-label, single-arm exploratory clinical study was con-ducted at Universidade Santo Amaro, Brazil. Ten patients with genetically and multimodally con-firmed IRDs were recruited in June 2026 and followed for 45 days. Eligible participants had no pre-vious ocular treatment and best-corrected visual acuity (BCVA) ≤20/30. Human umbilical cord-derived WJ-MSCs were administered as a single suprachoroidal injection at a dose of 1 × 10⁶ cells in 0.1 mL per treated eye, without additional study-specific in vitro expansion after preparation of the cryopreserved product. BCVA, intraocular pressure (IOP), central foveal thickness (CFT), automated visual-field mean deviation (MD) and pattern standard deviation (PSD), and electro-retinographic (ERG) parameters were assessed at baseline and day 45. Paired Student’s t-tests and Wilcoxon signed-rank tests were performed using Python 3.12.3 and SciPy 1.17.1. Both eyes were included in the analysis, with recognition of within-patient correlation. Mean BCVA improved from 0.849 ± 0.750 to 0.740 ± 0.718 logMAR, corresponding to a mean change of −0.109 logMAR, without statistical significance by either the paired t-test (p = 0.1003) or Wilcoxon test (p = 0.0904). Mean IOP changed from 15.6 ± 2.56 to 16.1 ± 3.28 mmHg, without significant difference. CFT increased from 226.8 ± 108.2 to 275.8 ± 178.4 μm; this difference was significant by the Wilcoxon test (p = 0.0313), but not by the paired t-test (p = 0.0619). Visual-field MD improved from −20.86 ± 8.87 to −19.09 ± 9.47 dB, with significant differences by both the paired t-test (p = 0.0082) and Wilcoxon test (p = 0.0042), whereas PSD remained stable. At the group level, none of the eight ERG parameters showed a sig-nificant change by paired t-test. The Wilcoxon analysis identified a difference only in 30-Hz flicker P1 latency (p = 0.0195), which was not confirmed by the paired t-test. Using an exploratory 30% test–retest variability threshold, Patient 10 demonstrated improvement trends in 7 of 8 ERG parameters, whereas Patients 4 and 9 showed predominantly declining patterns. No ocular inflammatory, infec-tious, or clinically significant treatment-related pressure events were observed during the 45-day follow-up. These preliminary findings indicate that suprachoroidal administration of WJ-MSCs was feasible and was not associated with major ocular safety events during the 45-day observation pe-riod. The observed improvement in visual-field MD warrants further investigation but should be interpreted cautiously given the single-arm design, small sample size, heterogeneous diagnoses, mixed perimetric protocols, potential inter-eye correlation, and marked individual-level variability. The absence of consistent group-level ERG improvement and the CFT increase observed in one par-ticipant further emphasizes the exploratory nature of these findings. Larger controlled studies with standardized functional endpoints, validated ERG repeatability criteria, patient-level mixed-effects analyses, and longer follow-up are required to determine whether the observed functional changes represent a treatment-related biological effect. The study support further controlled investigation of the suprachoroidal route as a targeted strategy for inherited retinal diseases.

Article
Medicine and Pharmacology
Oncology and Oncogenics

Zak Ahmed

,

Kiera Kavcic

,

Joel Epstein

,

Kapil Meleveedu

,

Parvathy Madhavan

,

Andres Pinto

,

Nicole Blijlevens

,

Roberto Pili

,

Poolakkad S. Satheeshkumar

Abstract: Background. Oral mucositis is a major toxicity of hematopoietic stem-cell transplantation (HSCT). Glucagon-like peptide-1 (GLP-1) signaling promotes epithelial repair and attenuates inflammation after high-dose chemotherapy, but its relationship to oral mucositis after transplantation is undefined. We hypothesized that semaglutide would be associated with a lower risk of stomatitis and oral mucositis, without increased xerostomia, and with fewer systemic complications. Methods. Using the TriNetX federated network, adults aged 18–90 with stem-cell transplant status (ICD-10-CM Z94.84) were classified as semaglutide-exposed or unexposed. Outcomes were assessed from day 30 after the index event, with a prespecified 90-day analysis for oral mucositis. Primary endpoints were stomatitis (K12) and ulcerative oral mucositis (K12.3). Secondary endpoints included dry mouth, dysgeusia, systemic inflammation, and mortality. One—to—one propensity matching was used to balance age, sex, race/ethnicity, diabetes, and comorbidities. Results. After matching 1,355 pairs, stomatitis occurred in 4.0% versus 10.6% (risk ratio [RR] 0.378, 95% CI 0.262–0.545; hazard ratio [HR] 0.476, 95% CI 0.323-0.700; P<0.001). At 90 days, oral mucositis occurred in 2.43% versus 8.39% (RR 0.29, 95% CI 0.189-0.446; HR 0.278, 95% CI 0.179–0.431; P<0.0001). Dry mouth and taste/smell disturbances did not differ. Exposed patients had lower risks of sepsis-spectrum inflammation (6.2% versus 13.1%), influenza/pneumonia (11.6% versus 23.8%), and death (6.7% versus 25.0%). Conclusions. Semaglutide exposure was associated with lower coded oral mucositis, without increased xerostomia, and with concordant reductions in infectious and mortality outcomes. These findings warrant prospective confirmation and do not establish a preventive indication.

Hypothesis
Medicine and Pharmacology
Neuroscience and Neurology

Geert A. Sulter

Abstract: Allostatic accounts explain migraine chronification as the cumulative cost of repeated attacks, and an active-inference account explains the single attack as a reset forced by unresolved interoceptive prediction errors. This article proposes that one variable joins them: the predictability of the attacks themselves. As attack frequency approaches 15 days a month, the uncertainty left by cues as weak as those patients report nears its maximum, and the hypothesis adds that threshold-driven attacks dilute the reliability of the cues. The proposed response is a rise in the weight given to bodily signals, felt as uncertainty and clinically as anticipatory anxiety, expressed in the salience network and paid for in fragmented sleep and strained clearance and energy supply, which lower the attack threshold. Graded against the evidence, salience-network change and rising allostatic load have direct but small support, the interoceptive findings are small and conflicting, the anxiety link is indirect and confounded by medication overuse, the sleep link indirect and unstratified, the clearance findings rest on an indirect imaging proxy, and slow-wave sleep loss is contradicted. Six predictions are stated with the results that would refute them and with what rival accounts expect; one tests the ordering of the loop directly.

Article
Social Sciences
Law

Valentina Montoya-Robledo

,

Tadiwa Chikengezha

Abstract: Cross-border commuting by women in low and middle-income countries remains severely under-researched, legally unrecognised, and wrongly merged into international migration data. This paper applies a four-step distributive analysis of the law to examine the legal frictions of stop and delay experienced by women cross-border commuters at the South Africa–Zimbabwe border. Drawing on qualitative fieldwork conducted in March 2025 in Musina and Johannesburg, including interviews with women commuters and civil society professionals, a focus group, border observation, and systematic legal mapping, the analysis identifies the primary norms generating frictions of stop and delay; the second-level norms from other bodies of law that compound their effects; the actors and interests the legal architecture structures; and the resulting distribution of costs and benefits. The paper makes three contributions. Methodologically, it demonstrates that the distributive analysis of the law offers mobilities scholarship a framework capable of tracing how formally neutral legal norms generate unequal outcomes across diverse groups of actors. Empirically and from a feminist mobilities perspective, it disaggregates women cross-border commuters into two analytically distinct sub-groups: documented women traders and undocumented women without capital, showing that legal costs, physical danger, and exposure to violence accumulate heterogeneously even within this category, while the benefits of crossing, including trade income, healthcare access, and relief from domestic violence, are real and survival-level for both. Theoretically, it advances a constitutive account of law within the politics of mobility, arguing that informal crossings, extortion networks, and survival trade are not produced outside the law but within a field of constraints and opportunities that law itself organises. Zimbabwe’s Statutory Instrument 59 of 2026 is identified as a recent legal development that materially worsens the distributional position of documented women traders, ignoring the underlying conditions that make cross-border trade necessary.

Article
Social Sciences
Media studies

Isabel Roblés Márquez

,

Leticia Fernández Rodríguez

Abstract: Scientific disinformation has become a major challenge for contemporary societies, affecting public trust in science, evidence-based decision-making, and the communication of scientific knowledge. (1) Methods: This study maps the academic research on science communication and disinformation, identifying its main publication trends, thematic areas, and methodological approaches. A systematic literature review was conducted using the Web of Science Core Collection. The search identified 127 research articles published between 2003 and 2026, which were analyzed through bibliometric, thematic, and methodological coding. (2) Results: Results show a marked expansion of research since 2020, with 91.34% of the analyzed articles published between 2020 and 2026. The United States constitutes the main production node, while research is distributed across 52 journals. Thematic analysis shows a predominance of the media ecosystem and communication actors, followed by reception, trust, and cognitive processing. Public health, social platforms, and trust in scientific authority are among the most recurrent specific topics. Qualitative approaches predominate (51.2%), while content analysis and surveys are the most frequent research designs. Despite growing interest in prebunking, debunking, and media literacy, computational approaches remain marginal. (4) Conclusions: These findings reveal a rapidly consolidating but methodologically uneven field and identify priorities for future research, particularly computational methods, interdisciplinary collaboration, and intervention-oriented studies.

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