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BMB Rep ; 50(9): 460-465, 2017 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-28760196

RESUMO

Polycystic kidney disease (PKD) is one of the most common inherited disorders, involving progressive cyst formation in the kidney that leads to renal failure. FK506 binding protein 12 (FK506BP) is an immunophilin protein that performs multiple functions, including regulation of cell signaling pathways and survival. In this study, we determined the roles of PEP-1-FK506BP on cell proliferation and cyst formation in PKD cells. Purified PEP-1-FK506BP transduced into PKD cells markedly inhibited cell proliferation. Also, PEP-1-FK506BP drastically inhibited the expression levels of p-Akt, p-p70S6K, p-mTOR, and p-ERK in PKD cells. In a 3D-culture system, PEP-1-FK506BP significantly reduced cyst formation. Furthermore, the combined effects of rapamycin and PEP-1-FK506BP on cyst formation were markedly higher than the effects of individual treatments. These results suggest that PEP-1-FK506BP delayed cyst formation and could be a new therapeutic strategy for renal cyst formation in PKD. [BMB Reports 2017; 50(9): 460-465].


Assuntos
Doenças Renais Policísticas/metabolismo , Serina-Treonina Quinases TOR/metabolismo , Proteína 1A de Ligação a Tacrolimo/metabolismo , Animais , Western Blotting , Proliferação de Células/genética , Proliferação de Células/fisiologia , Cistos/genética , Cistos/metabolismo , Modelos Animais de Doenças , Humanos , Microscopia Confocal , Doenças Renais Policísticas/genética , Transdução de Sinais/genética , Transdução de Sinais/fisiologia , Serina-Treonina Quinases TOR/genética , Proteína 1A de Ligação a Tacrolimo/genética
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