期刊
CELL
卷 155, 期 1, 页码 242-256出版社
CELL PRESS
DOI: 10.1016/j.cell.2013.08.041
关键词
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资金
- Intramural Research Program of the NIH, National Institute on Aging [N01-AG-1-2109, HHSN271201100005C]
- Italian grants [FISM 2011/R/13]
- Farmaci e Reti Biotecnologiche di Qualita [FaReBio2011]
- MIUR/CNR
- National Human Genome Research Institute [HG005581, HG005552, HG007022]
The complex network of specialized cells and molecules in the immune system has evolved to defend against pathogens, but inadvertent immune system attacks on self'' result in autoimmune disease. Both genetic regulation of immune cell levels and their relationships with autoimmunity are largely undetermined. Here, we report genetic contributions to quantitative levels of 95 cell types encompassing 272 immune traits, in a cohort of 1,629 individuals from four clustered Sardinian villages. Wefirst estimated trait heritability, showing that it can be substantial, accounting for up to 87% of the variance (mean 41%). Next, by assessing similar to 8.2 million variants that we identified and confirmed in an extended set of 2,870 individuals, 23 independent variants at 13 loci associated with at least one trait. Notably, variants at three loci (HLA, IL2RA, and SH2B3/ATXN2) overlap with known autoimmune disease associations. These results connect specific cellular phenotypes to specific genetic variants, helping to explicate their involvement in disease.
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