Abstract
LINC00152 has been considered to be associated with the tumorigenesis and the occurrence of gastric cancer; however, the mechanism of LINC00152 has yet to be fully elucidated. In the present study, the expression levels of LINC00152 in tissues, serum, and peripheral blood mononuclear cells (PBMCs) of patients with gastric cancer were determined using real-time polymerase chain reaction. The functions of LINC00152 with respect to the proliferation, apoptosis, migration, and invasive abilities of the gastric cancer cells were evaluated by cell proliferation analysis, flow cytometry, cell scratch wound assay, and transwell migration experiments. A mouse xenotransplant model of gastric tumors was established to detect the role of LINC00152 in vivo, and the expression levels of B-cell lymphoma-2 (Bcl-2) family proteins were investigated by Western blot analysis. The results revealed that LINC00152 was overexpressed in tissues, serum, and PBMCs of patients with gastric cancer. Moreover, LINC00152 could promote the migration and invasive abilities and suppress the apoptosis, of gastric cancer cells through regulating the Bcl-2 protein family. LINC00152 could bind with Bcl-2 directly to induce the activation of cell cycle signaling, and this may be a potential target for the therapy of gastric cancer in the future.
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