Type VII collagen in Alport syndrome
Author(s) -
K. Giannakakis,
Laura Massella,
D. Grassetti,
Francesco Dotta,
Marie Perez,
Andrea Onetti Muda
Publication year - 2007
Publication title -
nephrology dialysis transplantation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.654
H-Index - 168
eISSN - 1460-2385
pISSN - 0931-0509
DOI - 10.1093/ndt/gfm481
Subject(s) - alport syndrome , basement membrane , collagen, type i, alpha 1 , extracellular matrix , type iv collagen , immunofluorescence , type i collagen , glomerular basement membrane , medicine , messenger rna , pathology , microbiology and biotechnology , glomerulonephritis , endocrinology , biology , kidney , immunology , biochemistry , gene , laminin , antibody
Absence or segmental distribution of the alpha5(IV) collagen chain along the epidermal basement membrane (EBM) is diagnostic of X-linked Alport syndrome (X-AS), but the typical morphologic alterations usually observed along the glomerular basement membrane (GBM) are lacking. However, several differences in protein composition exist between GBM and EBM, and such differences could account for a different phenotype with the same genetic defect. Type VII collagen is one of the major collagenous components of the EBM; the purpose of this study was to investigate the modifications of protein synthesis and expression of type VII collagen in the skin of patients with X-AS.
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