Journal
CANCER MANAGEMENT AND RESEARCH
Volume 13, Issue -, Pages 3589-3599Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/CMAR.S299715
Keywords
LINC00908; diffuse large B-cell lymphoma; miR-671-5p; proliferation; invasion
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The study found that in diffuse large B-cell lymphoma, LINC00908 promotes malignancy by regulating miR-671-5p. Silencing LINC00908 significantly inhibits the growth of DLBCL.
Introduction: Emerging evidence has revealed that long noncoding RNA (lncRNA) play important role in almost all kinds of human cancers. LINC00908 has been reported to be involved in the development of prostate cancer, colorectal cancer and gastric cancer which was functioned as an oncogene. However, the potential biology role and molecular mechanism of LINC00908 in diffuse large B-cell lymphoma are still unclear. Methods: LINC00908 and miR-671-5p expression were evaluated in DLBCL tissues and cell lines using RT-qPCR. CCK-8 and transwell assay were used to analyze the in vitro role of LINC00908 in DLBCL progression. The xenograft model was used to explore the in vivo role of LINC00908 in DLBCL growth. The physical interaction between LINC00908 and miR-671-5p was confirmed using bioinformatics analysis and a dual luciferase assay, RIP and RNA pull down. Results: The expression of LINC00908 was markedly up-regulated in diffuse large B-cell lymphoma tissues and cell lines, and the decreased expression of LINC00908 significantly inhibited diffuse large B-cell lymphoma cell proliferation and invasion. Then, we revealed that LINC00908 directly interacted with miR-671-5p, which was down-regulated in diffuse large B-cell lymphoma cells and highly expressed with LINC00908 knockdown. Moreover, luciferase reporter assays and RNA immunoprecipitation (RIP) assay further proved that miR-671-5p is a direct target of LINC00908 in diffuse large B-cell lymphoma cells. Rescue experiments were also performed, and we confirmed that LINC00908 acts as an oncogene role in diffuse large B-cell lymphoma through miR-671-5p. Finally, the influence of LINC00908 silence significantly inhibited diffuse large B-cell lymphoma growth in vivo. Conclusion: LINC00908 promotes malignancy of diffuse large B-cell lymphoma through regulating miR-671-5p.
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