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.
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Clin Transl Med
November 2024
Department of Breast and Urologic Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, P. R. China.
Background: Triple-negative breast cancer (TNBC) is distinguished by a significant likelihood of distant recurrence and an unfavourable prognosis. However, the underlying molecules and mechanisms have not been fully elucidated.
Methods: We investigated the expression profile and clinical relevance of chaperonin-containing TCP1 subunit 6A (CCT6A) in TNBC.
Clin Transl Oncol
November 2024
Department of Oncology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221006, Jiangsu, China.
Background: Metastasis has been documented as an independent and significant prognostic feature of lung adenocarcinoma (LUAD) patients. However, the underlying genetic and molecular mechanisms responsible for LUAD metastasis and their prognostic significance are not exactly defined.
Methods: The single-cell transcriptomic profiles of primary and metastatic LUAD samples were integrated as a whole dataset.
Cell Death Dis
July 2023
Department of Oncology, the First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, China.
The THO complex (THOC) is ubiquitously involved in RNA modification and various THOC proteins have been reported to regulate tumor development. However, the role of THOC3 in lung cancer remains unknown. In this study, we identified that THOC3 was highly expressed in lung squamous cell carcinoma (LUSC) and negatively associated with prognosis.
View Article and Find Full Text PDFOncol Lett
May 2023
Department of Hand Surgery, Center Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning 110024, P.R. China.
Chaperonin-containing tailless complex polypeptide 1 subunit 6A (CCT6A) regulates the proliferation, invasiveness and stemness of numerous types of cancer, and may interact with cell division cycle 20 (CDC20); however, its implication in osteosarcoma remains unclear. The present study aimed to investigate the relationship between CCT6A and CDC20, and their association with clinical features and prognosis. Subsequently, the present study explored the effects of their knockdown on osteosarcoma cell malignant behaviors.
View Article and Find Full Text PDFIr J Med Sci
December 2023
Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China.
Objective: Chaperonin-containing TCP1 subunit 6A (CCT6A) facilitates several malignant cancer behaviors, but its regulation of esophageal squamous cell carcinoma (ESCC) has not been reported. This study aimed to investigate the effect of CCT6A on cell proliferation, apoptosis, invasion and epithelial-mesenchymal transition (EMT) and its interaction with the TGF-β/Smad/c-Myc pathway in ESCC.
Methods: CCT6A expression was detected in ESCC and normal esophageal epithelial cell lines by RT‒qPCR and western blotting.
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