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首页> 外文期刊>Cell and Tissue Research >Dual SMAD inhibition enhances the longevity of human epididymis epithelial cells
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Dual SMAD inhibition enhances the longevity of human epididymis epithelial cells

机译：Dual SMAD inhibition enhances the longevity of human epididymis epithelial cells

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Primary human epididymis epithelial (HEE) cells are valuable reagents for functional studies on the human epididymis. We used them previously to determine the transcriptional networks that establish cell identity along the length of the epididymis from caput, corpus, and cauda. These studies on HEE cells and organoids derived from them revealed important cellular properties. However, similar to other primary cells, HEE cells undergo replicative senescence and de-differentiation in culture. A cocktail of small molecules was shown elsewhere to extend longevity of epithelial basal cells. The components included transforming growth factor beta (TGF-beta)/bone morphogenetic protein (BMP) antagonists, WNT agonist, and Rho-associated and coiled-coil containing protein kinase (ROCK) inhibitor (ROCKi), which together prevented the senescence-related upregulation of TGF-beta signaling pathway members. Here, we treat HEE cells with the same cocktail and observed enhanced replicative potential and prolonged expression of markers of HEE differentiation. This treatment expands the differentiated HEE cell population available from individual epididymis tissue samples that can be used for molecular, cellular, and functional studies.

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