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Advanced glycation end product is implicated in amyloid-related kidney complications
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Medicine.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Medicine.
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2005 (English)In: Scandinavian Journal of Clinical and Laboratory Investigation, ISSN 0036-5513, E-ISSN 1502-7686, Vol. 65, no 4, 263-272 p.Article in journal (Refereed) Published
Abstract [en]

Background. Kidney failure is a common complication in familial amyloidotic polyneuropathy (FAP). It has been suggested that advanced glycation end products (AGEs) play an important role in the development and pathogenesis of FAP.

Material and methods. To evaluate the impact of AGEs on FAP patients' kidney dysfunction, we measured AGE in serum and urine of 28 FAP patients and 18 healthy controls by AGE-specific enzyme-linked immunosorbent assay (ELISA). Immunohistochemistry utilizing antibodies to AGE and the receptor for AGE (RAGE) were used on kidney tissue from 3 FAP patients and 3 diabetic patients to disclose a correlation between amyloid deposits and AGE -RAGE.

Results. The glomeruli of FAP patients were heavily deposited with amyloid and the glomerular size was enlarged. The space between Bowman's capsule and glomerulus was totally covered by the enlarged glomerulus. AGE and RAGE were deposited in glomeruli and tubuli and correlated with amyloid deposits. Decreased AGE levels in the liver-transplanted FAP patients' serum compared with that of non-transplanted patients were noted, and AGE concentration in serum tended to be higher in non-transplanted FAP patients compared with normal control subjects. There were no differences in the AGE urine levels in FAP patients compared with controls. No correlation could be found between AGE in urine and serum compared with serum albumin, serum creatinine and creatinine clearance.

Conclusions. The accumulation of AGE, RAGE and amyloid in the kidney of FAP patients suggests that these molecules play an important role in the origin and pathogenesis of renal failure in FAP patients.

Place, publisher, year, edition, pages
Informa Healthcare, 2005. Vol. 65, no 4, 263-272 p.
Keyword [en]
advanced glycation end products, familial amyloidotic polyneuropathy, kidney failure, RAGE, transthyretin
National Category
Clinical Laboratory Medicine
Identifiers
URN: urn:nbn:se:umu:diva-14805DOI: 10.1080/00365510510013794ISI: 000229760400001PubMedID: 16076681OAI: oai:DiVA.org:umu-14805DiVA: diva2:154477
Available from: 2007-06-18 Created: 2007-06-18 Last updated: 2017-12-14Bibliographically approved

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