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Medical Science Monitor Basic Research


eISSN: 2329-0358

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Intraglomerular fibronectin and laminin turn-overin chronically rejected kidney allografts in humans

L Paczek, I Bartlomiejczyk, L Gradowska, J Szmidt, W Rowinski, Z Gaciong, A Heidland, T Laskowska-Klita

Ann Transplant 1996; 1(1): 41-43

ID: 496609

Chronic rejection is primarily responsible for the late loss of allografted organs and remains an important clinical problem. Chronic rejection in the kidney is characterised by arteriolosclerosis and nephrosclerosis, glomerulonephritis and interstitial fibrosis. Recently, a large number of studies have indicated that proteolytic enzymes play important roles as mediators of glomerular injury. The aim of the study was to assess intraglomerular fibronectin and laminin contents as well as cysteine proteinases in activity chronically rejected human kidneys. We investigated kidney tissue from graftectomy specimens obtained from I I patients with end-stage renal disease following chronic rejection. A group of 9 patients undergoing nephrectomy because of cancer served as a control group, but only not involved parts of the kidneys were used. When intraglomerular laminin contents were related to DNA content, significant accumulation in chronically rejected allografts was found in comparison to controls (382:J: 171p,g per p,g DNA and 190:J:82p,g per p,g DNA, respectively, p

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