Genetic associations at 53 loci highlight cell types and biological pathways relevant for kidney function.

Nat Commun
Authors
Keywords
Abstract

Reduced glomerular filtration rate defines chronic kidney disease and is associated with cardiovascular and all-cause mortality. We conducted a meta-analysis of genome-wide association studies for estimated glomerular filtration rate (eGFR), combining data across 133,413 individuals with replication in up to 42,166 individuals. We identify 24 new and confirm 29 previously identified loci. Of these 53 loci, 19 associate with eGFR among individuals with diabetes. Using bioinformatics, we show that identified genes at eGFR loci are enriched for expression in kidney tissues and in pathways relevant for kidney development and transmembrane transporter activity, kidney structure, and regulation of glucose metabolism. Chromatin state mapping and DNase I hypersensitivity analyses across adult tissues demonstrate preferential mapping of associated variants to regulatory regions in kidney but not extra-renal tissues. These findings suggest that genetic determinants of eGFR are mediated largely through direct effects within the kidney and highlight important cell types and biological pathways.

Year of Publication
2016
Journal
Nat Commun
Volume
7
Pages
10023
Date Published
2016 Jan 21
ISSN
2041-1723
URL
DOI
10.1038/ncomms10023
PubMed ID
26831199
PubMed Central ID
PMC4735748
Links
Grant list
R01 MD009055 / MD / NIMHD NIH HHS / United States
R01 DK058845 / DK / NIDDK NIH HHS / United States
K12 RR023250 / RR / NCRR NIH HHS / United States
R01DK090311 / DK / NIDDK NIH HHS / United States
R24 OD017870 / OD / NIH HHS / United States
DP3 DK108220 / DK / NIDDK NIH HHS / United States
R01 HL087660 / HL / NHLBI NIH HHS / United States
P30 DK079637 / DK / NIDDK NIH HHS / United States
T32 HL007024 / HL / NHLBI NIH HHS / United States
P30 DK079626 / DK / NIDDK NIH HHS / United States
U01 HG004402 / HG / NHGRI NIH HHS / United States
R01 DK075787 / DK / NIDDK NIH HHS / United States
U01 HL084756 / HL / NHLBI NIH HHS / United States
R01 DK084350 / DK / NIDDK NIH HHS / United States
P30 DK072488 / DK / NIDDK NIH HHS / United States
R01 AG033193 / AG / NIA NIH HHS / United States
Z01 HG200362-01 / Intramural NIH HHS / United States
G0401527 / Medical Research Council / United Kingdom
P30 DK020541 / DK / NIDDK NIH HHS / United States
U01 HL072515 / HL / NHLBI NIH HHS / United States
R01 DK089256 / DK / NIDDK NIH HHS / United States
FS/14/55/30806 / British Heart Foundation / United Kingdom
MR/K006584/1 / Medical Research Council / United Kingdom
MR/K013351/1 / Medical Research Council / United Kingdom
HHSN268201100009C / HL / NHLBI NIH HHS / United States
R01 HL117078 / HL / NHLBI NIH HHS / United States
R01 HL087641 / HL / NHLBI NIH HHS / United States
G0600237 / Medical Research Council / United Kingdom
R01 DK066574 / DK / NIDDK NIH HHS / United States
R01 DK090311 / DK / NIDDK NIH HHS / United States
F31 AG044879 / AG / NIA NIH HHS / United States
R01 AG018728 / AG / NIA NIH HHS / United States
U01 HG004399 / HG / NHGRI NIH HHS / United States
U01 GM074518 / GM / NIGMS NIH HHS / United States
R01 HL088119 / HL / NHLBI NIH HHS / United States
R24OD017870 / OD / NIH HHS / United States