Richard Sibley

Publication Details

  • Distribution of cell membrane-associated proteins along the human nephron JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY Kwon, O., Myers, B. D., Sibley, R., Dafoe, D., Alfrey, E., NELSON, W. J. 1998; 46 (12): 1423-1434

    Abstract:

    Cytoskeletal proteins associate with specific cell adhesion complexes and membrane proteins and influence the structural and functional organization of polarized epithelial cells in the kidney. Among such proteins that have been studied in cultured cell lines and in animals are the tight junction complex (ZO-1 and occludin), the adherens cell-cell adhesion complex (alpha-, beta-catenin and plakoglobin), and Na+,K+-ATPase, with its associated membrane skeleton proteins ankyrin and fodrin. Although abnormal distribution of these proteins has been implicated in the pathogenesis of various renal diseases, the relevance of these findings to corresponding disease of the human kidney remains to be established. As a first step towards elucidating a role for such proteins in human kidney disease, we undertook a histochemical analysis of the distribution of these proteins in biopsy specimens of human kidney taken from healthy kidney transplant donors. We found each protein to have a characteristic subcellular localization and an intensity of staining that varied among different segments of the nephron in a manner that is consistent with discrete, segmental nephron function.

    View details for Web of Science ID 000077379000011

    View details for PubMedID 9815284

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