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Biol. Res ; 51: 52, 2018. tab, graf
Artículo en Inglés | LILACS | ID: biblio-1011396

RESUMEN

BACKGROUND: Phosphoinositide-3-kinase, regulatory subunit 1 (PIK3R1) could regulate cancer cell proliferation important for cancer cell proliferation; however, its role in Hepatocellular carcinoma (HCC) remains largely unknown. Here, we investigated the role of PIK3R1 in HCC and examined the underlying molecular mechanisms. METHODS: The expression of PIK3R1 was evaluated by immunohistochemistry and qRT-PCR in a series of HCC tissues. The mRNA and protein expression of PIK3R1 was used by qRT-PCR and western blot assays in a series of human HCC cell lines, and then we choose MHCC97H and HCCLM3 cells as a model to investigate the effect of PIK3R1 on HCC progression. The effects of PIK3R1 knowdown on cell proliferation, migration, apoptosis of HCC were assessed by the MTT assay, clonogenic assays, wound healing assay and flow cytometry in vitro. Western blot assay was performed to assess the expression changes of PI3K/AKT/mTOR signaling pathway. RESULTS: Our results found that PIK3R1 was highly expressed in HCC tissues compared with adjacent normal tissues. Knockdown of PIK3R1 inhibited the proliferation, migration and promoted apoptosis of HCC cell lines. In addition, we proved that knockdown of PIK3R1 downregulated p-PI3K, p-AKT, and p-mTOR expressions in MHCC97H and HCCLM3 cells. CONCLUSIONS: In conclusion, PIK3R1 providing potential novel targets for the treatment of HCC.


Asunto(s)
Humanos , Regulación Neoplásica de la Expresión Génica/genética , Carcinoma Hepatocelular/genética , Fosfatidilinositol 3-Quinasas/genética , Neoplasias Hepáticas/genética , Inmunohistoquímica , Western Blotting , Apoptosis , Carcinoma Hepatocelular/patología , Progresión de la Enfermedad , Línea Celular Tumoral , Proliferación Celular , Fosfatidilinositol 3-Quinasa Clase Ia , Reacción en Cadena en Tiempo Real de la Polimerasa , Neoplasias Hepáticas/patología
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