CCT6A knockdown suppresses osteosarcoma cell growth and Akt pathway activation in vitro

PLoS One. 2022 Dec 30;17(12):e0279851. doi: 10.1371/journal.pone.0279851. eCollection 2022.

Abstract

We assessed the role of the protein-coding gene chaperonin-containing TCP1 subunit 6A (CCT6A) in osteosarcoma, as this is currently unknown. Using data from the R2 online genomic analysis and visualization application, we found that CCT6A messenger ribonucleic acid (RNA) expression is increased in osteosarcoma tissue and cells. Transfection of CCT6A small interfering RNA into cultured osteosarcoma cells revealed that CCT6A knockdown attenuates cell growth, cell viability, cell survival, and induced apoptosis and cell cycle progression at the G0/G1 phases. Moreover, CCT6A knockdown downregulated phospho-protein kinase B (p-Akt), cyclinD1 and B-cell lymphoma-2, whereas upregulated Bcl-2-associated X-protein expression. Thus, CCT6A knockdown inhibits cell proliferation, induces cell apoptosis, and suppresses the Akt pathway.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Apoptosis / genetics
  • Bone Neoplasms* / genetics
  • Bone Neoplasms* / metabolism
  • Cell Cycle
  • Cell Line, Tumor
  • Cell Proliferation / genetics
  • Chaperonin Containing TCP-1 / genetics
  • Chaperonin Containing TCP-1 / metabolism
  • G1 Phase
  • Humans
  • Osteosarcoma* / genetics
  • Osteosarcoma* / metabolism
  • Proto-Oncogene Proteins c-akt / genetics
  • Proto-Oncogene Proteins c-akt / metabolism

Substances

  • Proto-Oncogene Proteins c-akt
  • CCT6A protein, human
  • Chaperonin Containing TCP-1

Grants and funding

National Natural Science Foundation of China (81803882). Funders:AS. He is Corresponding author. https://www.nsfc.gov.cn. Natural Science Foundation of Fujian Province (2020J06026). Funders:AS. He is Corresponding author.