Identification of genetic effects underlying type 2 diabetes in South Asian and European populations
South Asians are at high risk of developing type 2 diabetes (T2D). We carried out a genome-wide association meta-analysis with South Asian T2D cases (n = 16,677) and controls (n = 33,856), followed by combined analyses with Europeans (neff = 231,420). We identify 21 novel genetic loci for significan...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Research
2022
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| Online Access: | View Fulltext in Publisher |
| LEADER | 03134nam a2200685Ia 4500 | ||
|---|---|---|---|
| 001 | 10-1038-s42003-022-03248-5 | ||
| 008 | 220425s2022 CNT 000 0 und d | ||
| 020 | |a 23993642 (ISSN) | ||
| 245 | 1 | 0 | |a Identification of genetic effects underlying type 2 diabetes in South Asian and European populations |
| 260 | 0 | |b Nature Research |c 2022 | |
| 856 | |z View Fulltext in Publisher |u https://doi.org/10.1038/s42003-022-03248-5 | ||
| 520 | 3 | |a South Asians are at high risk of developing type 2 diabetes (T2D). We carried out a genome-wide association meta-analysis with South Asian T2D cases (n = 16,677) and controls (n = 33,856), followed by combined analyses with Europeans (neff = 231,420). We identify 21 novel genetic loci for significant association with T2D (P = 4.7 × 10−8 to 5.2 × 10−12), to the best of our knowledge at the point of analysis. The loci are enriched for regulatory features, including DNA methylation and gene expression in relevant tissues, and highlight CHMP4B, PDHB, LRIG1 and other genes linked to adiposity and glucose metabolism. A polygenic risk score based on South Asian-derived summary statistics shows ~4-fold higher risk for T2D between the top and bottom quartile. Our results provide further insights into the genetic mechanisms underlying T2D, and highlight the opportunities for discovery from joint analysis of data from across ancestral populations. © 2022, The Author(s). | |
| 700 | 1 | |a Ahmad, M. |e author | |
| 700 | 1 | |a Ahsan, H. |e author | |
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| 700 | 1 | |a Yusuf, S. |e author | |
| 700 | 1 | |a Zhang, W. |e author | |
| 773 | |t Communications Biology | ||