期刊
EXPERIMENTAL AND THERAPEUTIC MEDICINE
卷 24, 期 4, 页码 -出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/etm.2022.11564
关键词
long non-coding RNA; calcium voltage-gated channel subunit alpha 1 G-antisense 1; diffuse large B cell lymphoma; microRNA-3160-5p
This study confirmed the expression of CACNA1G-AS1 in DLBCL and its association with clinical staging. The study revealed that knockdown of CACNA1G-AS1 increased cytotoxicity and facilitated apoptosis in DLBCL cells, while overexpression of miR-3160-5p had similar effects. The findings suggest that CACNA1G-AS1 and miR-3160-5p may serve as novel therapeutic targets for DLBCL.
Long non-coding RNAs (lncRNAs) have been confirmed to be connected with tumor proliferation, apoptosis, metastasis and recurrence. Previous studies have indicated that lncRNA calcium voltage-gated channel subunit alpha 1 G (CACNA1G)-antisense 1 (AS1) can function as a pro-oncogene in several types of cancer. However, the specific role and mechanism of CACNA1G-AS1 have not been fully elucidated in human diffuse large B cell lymphoma (DLBCL). In the present study, CACNA1G-AS1 expression was verified in DLBCL tissues and cells by reverse transcription-quantitative PCR, and the relationship between CACNA1G-AS1 and microRNA (miR)-3160-5p was confirmed using luciferase reporter assays. After CACNA1G-AS1-knockdown and miR-3160-5p-overexpression, MTT, colony formation and flow cytometry assays were conducted to assess the changes in the cytotoxicity and apoptosis of OCI-Ly10 and SUDHL-4 cells. In addition, in vivo experiments were performed to determine the impact of CACNA1G-AS1-knockdown on tumor growth and apoptosis. It was revealed that CACNA1G-AS1 was highly expressed in DLBCL tissues and cells and that expression of CACNA1G-AS1 was associated with the clinical stage of DLBCL. Functionally, CACNA1G-AS1-knockdown was demonstrated to increase cytotoxicity and expedite apoptosis in DLBCL cells in vitro and in vivo. In addition, CACNA1G-AS1 could downregulate miR-3160-5p by targeting binding in DLBCL cells. Overexpression of miR-3160-5p had the same effects on the cytotoxicity and apoptosis of DLBCL cells as CACNA1G-AS1-knockdown. Overall, the present study revealed that CACNA1G-AS1-knockdown and miR-3160-5p-overexpression could prevent DLBCL carcinogenesis, which might provide novel therapeutic targets for DLBCL.
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