2010
DOI: 10.1074/jbc.m109.095232 View full text |Buy / Rent full text
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Abstract: Retinal pigment epithelial (RPE) cell integrity is critical for the survival of photoreceptor cells. Bcl-x L is a major anti-apoptotic Bcl-2 protein required for RPE cell survival, and phosphorylation of Bcl-x L at residue Ser-62 renders this protein pro-apoptotic. In this study, we identify serine/threonine protein phosphatase 2A (PP2A) as a key regulator of Bcl-x L phosphorylation at residue Ser-62 in ARPE-19 cells, a spontaneously arising RPE cell line in which Bcl-x L is highly expressed. We found that eit… Show more

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