Journal
DIABETES RESEARCH AND CLINICAL PRACTICE
Volume 122, Issue -, Pages 92-100Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.diabres.2016.10.015
Keywords
Type 2 Diabetes Mellitus (T2DM); Telomeres; Telomere attrition; Telomere maintenance genes
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Funding
- SMVDU
- UGC, India
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Type 2 Diabetes Mellitus (T2 DM), a multifactorial complex disorder, is emerging as a major cause of morbidity, mortality and socio-economic burden across the world. Despite huge efforts in understanding genetics of T2 DM, only similar to 10% of the genetic factors have been identified so far. Telomere attrition, a natural phenomenon has recently emerged in understanding the pathophysiology of T2 DM. It has been indicated that Telomeres and associated pathways might be the critical components in the disease etiology, though the mechanism(s) involved are not clear. Recent Genome Wide (GWAS) and Candidate Gene Case-Control Association Studies have also indicated an association of Telomere and associated pathways related genes with T2 DM. Single Nucleotide Polymorphisms (SNPs) in the telomere maintenance genes: TERT, TERC, TNKS, CSNK2A2, TEP1, ACD, TRF1 and TRF2, have shown strong association with telomere attrition in T2 DM and its pathophysiology, in these studies. However, the assessment has been made within limited ethnicities (Caucasians, Han Chinese cohort and Punjabi Sikhs from South Asia), warranting the study of such associations in different ethnic groups. Here, we propose the possible mechanisms, in the light of existing knowledge, to understand the association of T2 DM with telomeres and associated pathways. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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