Tubular basement membrane thickening in diabetes mellitus. 1996

D Danis, and O Nyitrayová, and I Slugen, and A Kovác, and S Nyulassy, and A Orban
Institute of Pathology, Derer's Hospital, Bratislava, Slovak Republic.

Authors measured the thickness of the basement membranes of the proximal and distal tubuli in the renal cortex in 20 patients with verified diabetes mellitus. The test group consisted of 20 patients with small abnormalities of glomeruli (or in the range of variable norm), of the same sex and comparable age. Measurements were performed in locations without tubulo-interstitial changes. The average thickness of TBM in patients with diabetes mellitus was 1540 +/- 616 nm, and in the test group 360 +/- 86 nm, which is a statistically significant difference (p < 0.000000). In spite of the small number of cases and possible error in the manual measurement of electron microscopic pictures, a significant thickening of TBM in diabetes mellitus has been found. We consider this to be of diagnostic value.

UI MeSH Term Description Entries
D007684 Kidney Tubules Long convoluted tubules in the nephrons. They collect filtrate from blood passing through the KIDNEY GLOMERULUS and process this filtrate into URINE. Each renal tubule consists of a BOWMAN CAPSULE; PROXIMAL KIDNEY TUBULE; LOOP OF HENLE; DISTAL KIDNEY TUBULE; and KIDNEY COLLECTING DUCT leading to the central cavity of the kidney (KIDNEY PELVIS) that connects to the URETER. Kidney Tubule,Tubule, Kidney,Tubules, Kidney
D008297 Male Males
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001485 Basement Membrane A darkly stained mat-like EXTRACELLULAR MATRIX (ECM) that separates cell layers, such as EPITHELIUM from ENDOTHELIUM or a layer of CONNECTIVE TISSUE. The ECM layer that supports an overlying EPITHELIUM or ENDOTHELIUM is called basal lamina. Basement membrane (BM) can be formed by the fusion of either two adjacent basal laminae or a basal lamina with an adjacent reticular lamina of connective tissue. BM, composed mainly of TYPE IV COLLAGEN; glycoprotein LAMININ; and PROTEOGLYCAN, provides barriers as well as channels between interacting cell layers. Basal Lamina,Basement Lamina,Lamina Densa,Lamina Lucida,Lamina Reticularis,Basement Membranes,Densas, Lamina,Lamina, Basal,Lamina, Basement,Lucida, Lamina,Membrane, Basement,Membranes, Basement,Reticularis, Lamina

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