Genome-wide Association Studies Identify Genetic Loci Associated With Albuminuria in Diabetes

© 2016 by the American Diabetes Association. Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered..

Elevated concentrations of albumin in the urine, albuminuria, are a hallmark of diabetic kidney disease and are associated with an increased risk for end-stage renal disease and cardiovascular events. To gain insight into the pathophysiological mechanisms underlying albuminuria, we conducted meta-analyses of genome-wide association studies and independent replication in up to 5,825 individuals of European ancestry with diabetes and up to 46,061 without diabetes, followed by functional studies. Known associations of variants in CUBN, encoding cubilin, with the urinary albumin-to-creatinine ratio (UACR) were confirmed in the overall sample (P = 2.4 × 10(-10)). Gene-by-diabetes interactions were detected and confirmed for variants in HS6ST1 and near RAB38/CTSC. Single nucleotide polymorphisms at these loci demonstrated a genetic effect on UACR in individuals with but not without diabetes. The change in the average UACR per minor allele was 21% for HS6ST1 (P = 6.3 × 10(-7)) and 13% for RAB38/CTSC (P = 5.8 × 10(-7)). Experiments using streptozotocin-induced diabetic Rab38 knockout and control rats showed higher urinary albumin concentrations and reduced amounts of megalin and cubilin at the proximal tubule cell surface in Rab38 knockout versus control rats. Relative expression of RAB38 was higher in tubuli of patients with diabetic kidney disease compared with control subjects. The loci identified here confirm known pathways and highlight novel pathways influencing albuminuria.

Medienart:

E-Artikel

Erscheinungsjahr:

2016

Erschienen:

2016

Enthalten in:

Zur Gesamtaufnahme - volume:65

Enthalten in:

Diabetes - 65(2016), 3 vom: 14. März, Seite 803-17

Sprache:

Englisch

Beteiligte Personen:

Teumer, Alexander [VerfasserIn]
Tin, Adrienne [VerfasserIn]
Sorice, Rossella [VerfasserIn]
Gorski, Mathias [VerfasserIn]
Yeo, Nan Cher [VerfasserIn]
Chu, Audrey Y [VerfasserIn]
Li, Man [VerfasserIn]
Li, Yong [VerfasserIn]
Mijatovic, Vladan [VerfasserIn]
Ko, Yi-An [VerfasserIn]
Taliun, Daniel [VerfasserIn]
Luciani, Alessandro [VerfasserIn]
Chen, Ming-Huei [VerfasserIn]
Yang, Qiong [VerfasserIn]
Foster, Meredith C [VerfasserIn]
Olden, Matthias [VerfasserIn]
Hiraki, Linda T [VerfasserIn]
Tayo, Bamidele O [VerfasserIn]
Fuchsberger, Christian [VerfasserIn]
Dieffenbach, Aida Karina [VerfasserIn]
Shuldiner, Alan R [VerfasserIn]
Smith, Albert V [VerfasserIn]
Zappa, Allison M [VerfasserIn]
Lupo, Antonio [VerfasserIn]
Kollerits, Barbara [VerfasserIn]
Ponte, Belen [VerfasserIn]
Stengel, Bénédicte [VerfasserIn]
Krämer, Bernhard K [VerfasserIn]
Paulweber, Bernhard [VerfasserIn]
Mitchell, Braxton D [VerfasserIn]
Hayward, Caroline [VerfasserIn]
Helmer, Catherine [VerfasserIn]
Meisinger, Christa [VerfasserIn]
Gieger, Christian [VerfasserIn]
Shaffer, Christian M [VerfasserIn]
Müller, Christian [VerfasserIn]
Langenberg, Claudia [VerfasserIn]
Ackermann, Daniel [VerfasserIn]
Siscovick, David [VerfasserIn]
DCCT/EDIC [VerfasserIn]
Boerwinkle, Eric [VerfasserIn]
Kronenberg, Florian [VerfasserIn]
Ehret, Georg B [VerfasserIn]
Homuth, Georg [VerfasserIn]
Waeber, Gerard [VerfasserIn]
Navis, Gerjan [VerfasserIn]
Gambaro, Giovanni [VerfasserIn]
Malerba, Giovanni [VerfasserIn]
Eiriksdottir, Gudny [VerfasserIn]
Li, Guo [VerfasserIn]
Wichmann, H Erich [VerfasserIn]
Grallert, Harald [VerfasserIn]
Wallaschofski, Henri [VerfasserIn]
Völzke, Henry [VerfasserIn]
Brenner, Herrmann [VerfasserIn]
Kramer, Holly [VerfasserIn]
Mateo Leach, I [VerfasserIn]
Rudan, Igor [VerfasserIn]
Hillege, Hans L [VerfasserIn]
Beckmann, Jacques S [VerfasserIn]
Lambert, Jean Charles [VerfasserIn]
Luan, Jian'an [VerfasserIn]
Zhao, Jing Hua [VerfasserIn]
Chalmers, John [VerfasserIn]
Coresh, Josef [VerfasserIn]
Denny, Joshua C [VerfasserIn]
Butterbach, Katja [VerfasserIn]
Launer, Lenore J [VerfasserIn]
Ferrucci, Luigi [VerfasserIn]
Kedenko, Lyudmyla [VerfasserIn]
Haun, Margot [VerfasserIn]
Metzger, Marie [VerfasserIn]
Woodward, Mark [VerfasserIn]
Hoffman, Matthew J [VerfasserIn]
Nauck, Matthias [VerfasserIn]
Waldenberger, Melanie [VerfasserIn]
Pruijm, Menno [VerfasserIn]
Bochud, Murielle [VerfasserIn]
Rheinberger, Myriam [VerfasserIn]
Verweij, Niek [VerfasserIn]
Wareham, Nicholas J [VerfasserIn]
Endlich, Nicole [VerfasserIn]
Soranzo, Nicole [VerfasserIn]
Polasek, Ozren [VerfasserIn]
van der Harst, Pim [VerfasserIn]
Pramstaller, Peter Paul [VerfasserIn]
Vollenweider, Peter [VerfasserIn]
Wild, Philipp S [VerfasserIn]
Gansevoort, Ron T [VerfasserIn]
Rettig, Rainer [VerfasserIn]
Biffar, Reiner [VerfasserIn]
Carroll, Robert J [VerfasserIn]
Katz, Ronit [VerfasserIn]
Loos, Ruth J F [VerfasserIn]
Hwang, Shih-Jen [VerfasserIn]
Coassin, Stefan [VerfasserIn]
Bergmann, Sven [VerfasserIn]
Rosas, Sylvia E [VerfasserIn]
Stracke, Sylvia [VerfasserIn]
Harris, Tamara B [VerfasserIn]
et al [Sonstige Person]

Links:

Volltext

Themen:

CTSC protein, human
Cathepsin C
EC 2.8.2.-
EC 3.4.14.1
EC 3.6.1.-
EC 3.6.5.2
Heparan sulfate 6-O-sulfotransferase
Intrinsic factor-cobalamin receptor
Journal Article
RAB38 protein, human
Rab GTP-Binding Proteins
Rab38 protein, rat
Receptors, Cell Surface
Research Support, N.I.H., Extramural
Research Support, N.I.H., Intramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Sulfotransferases

Anmerkungen:

Date Completed 06.07.2016

Date Revised 27.02.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.2337/db15-1313

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM255237596