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BRCA1-Associated Protein-1 Suppresses Osteosarcoma Cell Proliferation and Migration Through Regulation PI3K/Akt

Shuming Gao1, Hongjiang Sun1, Cai Cheng1

  • 11 First Department of Orthopedics, Cangzhou City Central Hospital , Cangzhou, People's Republic of China .

DNA and Cell Biology
|March 4, 2017
PubMed

Insights

BRCA1-associated protein-1 (BAP1) is significantly reduced in osteosarcoma (OS) and crucial for cancer cell survival. Lower BAP1 levels impact OS cell proliferation, apoptosis, migration, and invasion, suggesting BAP1 as a potential therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • BRCA1-associated protein-1 (BAP1) is a nuclear deubiquitinating enzyme implicated in various cancers.
  • The role and molecular mechanisms of BAP1 in osteosarcoma (OS) remain largely unexplored.

Purpose of the Study:

  • To investigate the expression levels of BAP1 in osteosarcoma tissues and cell lines.
  • To elucidate the biological functions and underlying molecular mechanisms of BAP1 in OS progression.

Main Methods:

  • Quantitative analysis of BAP1 expression in patient samples and cell lines.
  • Functional assays assessing OS cell proliferation, apoptosis, migration, and invasion.
  • Investigation of BAP1's interaction with the PI3K/Akt pathway and miR-125.

Main Results:

  • BAP1 expression was significantly downregulated in osteosarcoma tissues and cell lines compared to controls.
  • BAP1 plays a critical role in regulating osteosarcoma cell proliferation, apoptosis, migration, and invasion.
  • BAP1 influences the PI3K/Akt signaling pathway and physically interacts with miR-125.

Conclusions:

  • BAP1 is significantly downregulated in osteosarcoma and plays a vital role in OS cell survival.
  • BAP1 represents a potential therapeutic target for osteosarcoma treatment.
Keywords:
BAP1PI3K/Akt pathwaymiR-125osteosarcoma

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