期刊
MOLECULAR AND CELLULAR BIOCHEMISTRY
卷 458, 期 1-2, 页码 171-183出版社
SPRINGER
DOI: 10.1007/s11010-019-03540-9
关键词
Bisphenol-A; Senescence; Inflammation; ERR gamma; Insulin resistance; T2DM
类别
资金
- MDRF Intramural Research Funding (MIRF)
- Department of Biotechnology (DBT), Government of India
There is a striking interaction of genes and environment in the etiology of type 2 diabetes mellitus (T2DM). While endocrine disrupting chemicals (EDCs) like bisphenol-A (BPA) have received special attention for their mechanistic role in metabolic disruption, there is a lack of clinically relevant data on BPA levels in Asian Indians, a population which is more susceptible to type 2 diabetes mellitus (T2DM) and cardiovascular diseases. Therefore, we measured systemic levels of BPA in patients with T2DM compared to individuals with normal glucose tolerance (n=30 each). Serum BPA levels were estimated using ELISA kit, and biochemical determinations were done by standard protocols. Peripheral blood mononuclear cells (PBMCs) were used to profile the gene expression alterations with special reference to inflammation, estrogen receptors, and cellular senescence in these subjects. Serum levels of BPA were significantly higher in patients with T2DM compared to control individuals and positively correlated to poor glycemic control and insulin resistance. Patients with T2DM exhibited significantly elevated mRNA levels of senescence (GLB1, p16, p21, and p53) and inflammatory (IL6 and TNF-alpha) markers, shortened telomeres as well as elevated levels of estrogen-related receptor gamma (ERR gamma), a recently identified receptor for BPA. BPA levels were positively correlated to senescence indicators, inflammatory markers and ERR gamma and negatively correlated to telomere length. Our study is the first data in the clinical diabetes setting to demonstrate an association of increased BPA levels with cellular senescence, proinflammation, poor glycemic control, insulin resistance, and shortened telomeres in patients with T2DM. [GRAPHICS] .
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