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Potential genomic biomarkers of obesity and its comorbidities for phthalates and bisphenol A mixture: In silico toxicogenomic approach

KATARINA BARALIć1,*, KATARINA ŽIVANčEVIć1, DRAGICA BoŽIĆ1, DANYEL JENNEN2, ALEKSANDRA BUHA DJORDJEVIC1, EVICA ANTONIJEVIć MILJAKOVIć1, DANIJELA ĐUKIć-ĆOSIć1
1 Department of Toxicology “Akademik Danilo Soldatović”, University of Belgrade—Faculty of Pharmacy, Belgrade, 11000, Serbia
2 Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, 6221, The Netherlands
* Corresponding Author: KATARINA BARALIć. Email:
(This article belongs to this Special Issue: Computational Models in Non-Coding RNA and Human Disease)

BIOCELL 2022, 46(2), 519-533. https://doi.org/10.32604/biocell.2022.018271

Received 12 July 2021; Accepted 01 September 2021; Issue published 20 October 2021

Abstract

This in silico toxicogenomic study aims to explore the relationship between phthalates and bisphenol A (BPA) co-exposure and obesity, as well as its comorbid conditions, in order to construct a possible set of genomic biomarkers. The Comparative Toxicogenomics Database (CTD; http://ctd.mdibl.org) was used as the main data mining tool, along with GeneMania (https://genemania.org), ToppGene Suite (https://toppgene.cchmc.org) and DisGeNET (http://www.disgenet.org). Among the phthalates, bis(2-ethylhexyl) phthalate (DEHP) and dibutyl phthalate (DBP) were chosen as the most frequently curated phthalates in CTD, which also share similar mechanisms of toxicity. DEHP, DBP and BPA interacted with 84, 90 and 194 obesity-related genes/proteins, involved in 67, 65 and 116 pathways, respectively. Among these, 53 genes/proteins and 42 pathways were common to all three substances. 31 genes/proteins had matching interactions for all three investigated substances, while more than half of these genes/proteins (56.49%) were in co-expression. 7 of the common genes/proteins (6 relevant to humans: CCL2, IL6, LPL, PPARG, SERPINE1, and TNF) were identified in all the investigated obesity comorbidities, while PPARG and LPL were most closely linked to obesity. These genes/proteins could serve as a target for further in vitro and in vivo studies of molecular mechanisms of DEHP, DBP and BPA mixture obesogenic properties. Analysis reported here should be applicable to any mixture of environmental chemicals and any disease present in CTD.

Keywords

Endocrine disruptors; Data mining; Bioinformatics; Toxicology

Cite This Article

BARALIć, K., ŽIVANčEVIć, K., BoŽIĆ, D., JENNEN, D., DJORDJEVIC, A. B. et al. (2022). Potential genomic biomarkers of obesity and its comorbidities for phthalates and bisphenol A mixture: In silico toxicogenomic approach. BIOCELL, 46(2), 519–533.

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This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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