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PMID |
Sentence |
1 |
34803506
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Mitotic arrest deficient 2-like protein 2 (MAD2B), an inhibitor of anaphase-promoting complex (APC)/cyclosome, precisely controls the metaphase to anaphase transition and ordered cell cycle progression.
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2 |
34803506
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However, the role of MAD2B in FSGS podocyte injury remains unknown.
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3 |
34803506
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Additionally, KU-55933, a specific inhibitor of ataxia-telangiectasia mutated (ATM) was utilized in vivo and in vitro to explore the role of ATM in regulating MAD2B.
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4 |
34803506
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Results: The expression of MAD2B in podocytes was dramatically increased in patients with FSGS and ADR-treated mice along with podocyte cell cycle reentry.
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5 |
34803506
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By bioinformatics analysis we revealed that ATM kinase is a key upstream regulator of MAD2B.
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6 |
34803506
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Furthermore, inhibition of ATM kinase abolished MAD2B-driven cell cycle reentry and alleviated podocyte impairment in FSGS murine model.
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7 |
34803506
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In vitro studies by site-directed mutagenesis and immunoprecipitation we revealed ATM phosphorylated MAD2B and consequently hampered the ubiquitination of MAD2B in a phosphorylation-dependent manner.
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