CD2AP is associated with end-stage renal disease in patients with type 1 diabetes

Mervi E Hyvönen, Pekka Ihalmo, Niina Sandholm, Monica Stavarachi, Carol Forsblom, Amy Jayne McKnight, Maria Lajer, Anna Maestroni, Gareth Lewis, Lise Tarnow, Silvia Maestroni, Gianpaolo Zerbini, Hans-Henrik Parving, Alexander P Maxwell, Per-Henrik Groop, Sanna Lehtonen

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7 Citations (Scopus)

Abstract

CD2-associated protein (CD2AP) is essential for podocyte function. CD2AP mutations have been found in patients with focal segmental glomerulosclerosis, a disease histologically resembling diabetic nephropathy and often progressing to end-stage renal disease (ESRD). We hypothesised that variations in the CD2AP gene may contribute to susceptibility to glomerular injury in diabetes and investigated if single-nucleotide polymorphisms (SNPs) in CD2AP are associated with diabetic nephropathy in patients with type 1 diabetes. The discovery cohort consisted of 2,251 Finnish patients with type 1 diabetes. SNPs were selected from the HapMap database to cover the CD2AP gene. The associations between genotyped SNPs and diabetic nephropathy or ESRD were analysed with the chi-squared test and logistic regression. Three SNPs were selected for replication in cohorts from Denmark, Italy, the United Kingdom and Ireland. None of the 15 successfully genotyped SNPs were associated with diabetic nephropathy when compared to patients with normal albumin excretion rate. However, when genotype frequencies in patients with ESRD were compared with all other patients, two CD2AP SNPs, rs9369717 and rs9349417, were found to be associated with ESRD. The meta-analysis of the original and two additional European cohorts resulted in significant p values
Original languageEnglish
Pages (from-to)887-897
JournalActa diabetologica latina
Volume50
Issue number6
DOIs
Publication statusPublished - 17 May 2013

ASJC Scopus subject areas

  • Endocrinology
  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

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    Hyvönen, M. E., Ihalmo, P., Sandholm, N., Stavarachi, M., Forsblom, C., McKnight, A. J., Lajer, M., Maestroni, A., Lewis, G., Tarnow, L., Maestroni, S., Zerbini, G., Parving, H-H., Maxwell, A. P., Groop, P-H., & Lehtonen, S. (2013). CD2AP is associated with end-stage renal disease in patients with type 1 diabetes. Acta diabetologica latina, 50(6), 887-897. https://doi.org/10.1007/s00592-013-0475-9