Mechanotransduction signaling in podocytes from fluid flow shear stress

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Publisher: American Physiological Society
Document Type: Author abstract; Report
Length: 255 words

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Abstract :

Recently, we and others have found that hyperfiltration-associated increase in biomechanical forces, namely, tensile stress and fluid flow shear stress (FFSS), can directly and distinctly alter podocyte structure and function. The ultrafiltrate flow over the major processes and cell body generates FFSS to podocytes. Our previous work suggests that the cyclooxygenase-2 (COX-2)-[PGE.sub.2]-[PGE.sub.2] receptor 2 (EP2) axis plays an important role in mechanoperception of FFSS in podocytes. To address mechanotransduction of the perceived stimulus through EP2, cultured podocytes were exposed to FFSS (2 dyn/[cm.sup.2]) for 2 h. Total RNA from cells at the end of FFSS treatment, 2-h post-FFSS, and 24-h post-FFSS was used for whole exon array analysis. Differentially regulated genes (P exon array analysis; fluid flow shear stress: hyperfiltration; mechanotransduction; podocytes doi: 10.1152/ajprenal.00325.2017.

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Gale Document Number: GALE|A526574485