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LINC01234 promotes multiple myeloma progression by regulating miR-124-3p/GRB2 axis
Xueyan Chen1, Yin Liu2, Zihua Yang3
1Department of Clinical Laboratory, The People's Hospital of Longhua Shenzhen 518109, Guangdong Province, China.
Abstract:
LncRNA is gradually considered as a vital regulator in various physiological and pathological processes. Recently, the role of LINC01234 in several cancers has been reported. However, the function and underlying regulatory mechanism of LINC01234 in multiple myeloma (MM) remain unclear. Our results indicated that LINC01234 was over-expressed in tumor tissues of MM patients, and LINC01234 down-regulation remarkably inhibited cell proliferation, cycle progression and promoted cell apoptosis in MM cells. Mechanistic studies revealed that LINC01234 could sponge miR-124-3p and decreased its expression, thereby up-regulated the protein level of miR-124-3p's targets growth factor receptor-bound protein 2 (GRB2). Additionally, in vivo experiments revealed that LINC01234 shRNA could serve as a tumor suppressor through down-regulating GRB2 in MM. In this study, a novel established regulatory manner of LINC01234/miR-124-3p/GRB2 axis was systematically studied, which may hold promise as a promising target for MM treatment.
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