Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Gene Polymorphisms LEP, LEPR, 5HT2A, GHRL, NPY and FTO - Obesity Biomarkers in Metabolic Risk assessment: A Retrospective Pilot Study in Overweight and Obese Population in Romania

Version 1 : Received: 16 February 2024 / Approved: 19 February 2024 / Online: 19 February 2024 (11:50:18 CET)

How to cite: Penes, O.N.; Weber, B.; Pop, A.L.; Bodnarescu-Cobanoglu, M.; Varlas, V.N.; Kucukberksun, A.S.; Cretoiu, D.; Varlas, R.G.; Zetu, C. Gene Polymorphisms LEP, LEPR, 5HT2A, GHRL, NPY and FTO - Obesity Biomarkers in Metabolic Risk assessment: A Retrospective Pilot Study in Overweight and Obese Population in Romania. Preprints 2024, 2024020969. https://doi.org/10.20944/preprints202402.0969.v1 Penes, O.N.; Weber, B.; Pop, A.L.; Bodnarescu-Cobanoglu, M.; Varlas, V.N.; Kucukberksun, A.S.; Cretoiu, D.; Varlas, R.G.; Zetu, C. Gene Polymorphisms LEP, LEPR, 5HT2A, GHRL, NPY and FTO - Obesity Biomarkers in Metabolic Risk assessment: A Retrospective Pilot Study in Overweight and Obese Population in Romania. Preprints 2024, 2024020969. https://doi.org/10.20944/preprints202402.0969.v1

Abstract

Genome-wide association studies (GWAS) have successfully revealed numerous susceptibility loci for obesity. PREDATORR study (2014) shows that in Romania, 34,6% of adults aged 20-79 y/o are overweight, 31,4% are obese with a high risk of cardiometabolic complications, a number that puts almost 67% of Romania's population in the abnormal weight group. Our study aims to investigate the current staus of genetic foundation in metabolic disease associated with obesity, applied to a pilot group of patients specifically examining the impact of known polymorphisms and their haplotype of six food intake-regulating genes: leptin (LEP), leptin receptor (LEP-R), serotonin receptor (5HTR2A), ghrelin (GHRL), neuropeptide Y (NPY) and fat-mass and obesity-associated (FTO) with the following polymorphisms: LEP A-2548G, LEPR A-223G, 5HTR2A G-1439A, GHRL G-72T, NPY T-29063C, FTO A-T and body mass index (BMI). A notable link between the LEP-2548 rs7799039 gene's AG genotype and the risk of obesity was observed, particularly pronounced in males aged 40-49, with an approximately sevenfold increased likelihood of obesity. The 5HTR2A rs6311 AA genotype was associated with a higher BMI, not statistically significant. The FTO rs9939609 gene's AA genotype emerged as a significant predictor of obesity risk. Besides these significant findings, no substantial associations were observed with the LEPR, 5HTR2A, GHRL and NPY genes. Haplotype association analysis showed a suggestive indication of GRGMLA (rs7799039, rs1137101, rs6311, rs696217, rs16139, rs9939609 sequence) haplotype with susceptibility effect towards obesity predisposition. Linkage disequilibrium (LD) analysis showed statistically significant associations between LEP and LEPR gene (p = 1e-04), LEP and GHRL gene (p = 0.0047), GHRL and FTO gene (p=0.03). The outcomes of this study, to our knowledge, one of the very few on the Romanian population, aimed to be a starting point for further research on the targeted interventional strategies to reduce cardiometabolic risks.

Keywords

genes; LEP; LEPR; GHRL; 5HTR2A; NPY; FTO; obesity; genotype; risk; cardiometabolic

Subject

Medicine and Pharmacology, Endocrinology and Metabolism

Comments (0)

We encourage comments and feedback from a broad range of readers. See criteria for comments and our Diversity statement.

Leave a public comment
Send a private comment to the author(s)
* All users must log in before leaving a comment
Views 0
Downloads 0
Comments 0
Metrics 0


×
Alerts
Notify me about updates to this article or when a peer-reviewed version is published.
We use cookies on our website to ensure you get the best experience.
Read more about our cookies here.