RGD Reference Report - Deletion of the receptor for advanced glycation end products reduces glomerulosclerosis and preserves renal function in the diabetic OVE26 mouse. - Rat Genome Database

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Deletion of the receptor for advanced glycation end products reduces glomerulosclerosis and preserves renal function in the diabetic OVE26 mouse.

Authors: Reiniger, N  Lau, K  McCalla, D  Eby, B  Cheng, B  Lu, Y  Qu, W  Quadri, N  Ananthakrishnan, R  Furmansky, M  Rosario, R  Song, F  Rai, V  Weinberg, A  Friedman, R  Ramasamy, R  D'Agati, V  Schmidt, AM 
Citation: Reiniger N, etal., Diabetes. 2010 Aug;59(8):2043-54. doi: 10.2337/db09-1766. Epub 2010 Jul 13.
RGD ID: 7244135
Pubmed: PMID:20627935   (View Abstract at PubMed)
PMCID: PMC2911065   (View Article at PubMed Central)
DOI: DOI:10.2337/db09-1766   (Journal Full-text)

OBJECTIVE: Previous studies showed that genetic deletion or pharmacological blockade of the receptor for advanced glycation end products (RAGE) prevents the early structural changes in the glomerulus associated with diabetic nephropathy. To overcome limitations of mouse models that lack the progressive glomerulosclerosis observed in humans, we studied the contribution of RAGE to diabetic nephropathy in the OVE26 type 1 mouse, a model of progressive glomerulosclerosis and decline of renal function. RESEARCH DESIGN AND METHODS: We bred OVE26 mice with homozygous RAGE knockout (RKO) mice and examined structural changes associated with diabetic nephropathy and used inulin clearance studies and albumin:creatinine measurements to assess renal function. Transcriptional changes in the Tgf-beta1 and plasminogen activator inhibitor 1 gene products were measured to investigate mechanisms underlying accumulation of mesangial matrix in OVE26 mice. RESULTS: Deletion of RAGE in OVE26 mice reduced nephromegaly, mesangial sclerosis, cast formation, glomerular basement membrane thickening, podocyte effacement, and albuminuria. The significant 29% reduction in glomerular filtration rate observed in OVE26 mice was completely prevented by deletion of RAGE. Increased transcription of the genes for plasminogen activator inhibitor 1, Tgf-beta1, Tgf-beta-induced, and alpha1-(IV) collagen observed in OVE26 renal cortex was significantly reduced in OVE26 RKO kidney cortex. ROCK1 activity was significantly lower in OVE26 RKO compared with OVE26 kidney cortex. CONCLUSIONS: These data provide compelling evidence for critical roles for RAGE in the pathogenesis of diabetic nephropathy and suggest that strategies targeting RAGE in long-term diabetes may prevent loss of renal function.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Albuminuria  ISOAger (Mus musculus)7244135; 7244135associated with Diabetic NephropathiesRGD 
Albuminuria  IMP 7244135associated with Diabetic NephropathiesRGD 

Objects Annotated

Genes (Rattus norvegicus)
Ager  (advanced glycosylation end product-specific receptor)

Genes (Mus musculus)
Ager  (advanced glycosylation end product-specific receptor)

Genes (Homo sapiens)
AGER  (advanced glycosylation end-product specific receptor)


Additional Information