The clinical respiratory journal · 2023
microRNA-651-5p affects the proliferation, migration, and invasion of lung cancer cells by regulating Calmodulin 2 expression.
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Lang Yaoguo, Kong Xianglong, Liu Benkun, Jin Xiangyuan, Chen Lantao, Xu Shidong
Аннотация
OBJECTIVE: Lung cancer is prevalent worldwide and a leading contributor to tumor death. This research intends to explore the molecular mechanism of the microRNA-651-5p (miR-651-5p)/Calmodulin 2 (CALM2) axis in the proliferation, migration, and invasion of lung cancer cells.
METHODS: Lung cancer tissues and para-cancerous tissues were collected. The expression levels of miR-651-5p and CALM2 in lung cancer tissues and cells were tested, and the connection between miR-651-5p expression and clinicopathological characteristics of lung cancer patients was further analyzed. The binding sites between miR-651-5p and CALM2 were analyzed and validated. Lung cancer cell proliferation, migration, invasion, and apoptosis were examined.
RESULTS: miR-651-5p was lowly expressed in lung cancer tissues and cells. miR-651-5p expression had no correlation with patients' age and gender but had a correlation with patients' tumor size, TNM stage, and lymph node metastasis. Overexpression of miR-651-5p repressed proliferative, migratory, and invasive behaviors of lung cancer cells. miR-651-5p targeted and negatively regulated CALM2 expression, and CALM2 reversed the inhibiting effects of miR-651-5p on lung cancer cell malignant behaviors, including proliferation, migration, and invasion.
CONCLUSION: This study expounds that miR-651-5p affects the proliferation, migration, and invasion of lung cancer cells by regulating CALM2 expression.
METHODS: Lung cancer tissues and para-cancerous tissues were collected. The expression levels of miR-651-5p and CALM2 in lung cancer tissues and cells were tested, and the connection between miR-651-5p expression and clinicopathological characteristics of lung cancer patients was further analyzed. The binding sites between miR-651-5p and CALM2 were analyzed and validated. Lung cancer cell proliferation, migration, invasion, and apoptosis were examined.
RESULTS: miR-651-5p was lowly expressed in lung cancer tissues and cells. miR-651-5p expression had no correlation with patients' age and gender but had a correlation with patients' tumor size, TNM stage, and lymph node metastasis. Overexpression of miR-651-5p repressed proliferative, migratory, and invasive behaviors of lung cancer cells. miR-651-5p targeted and negatively regulated CALM2 expression, and CALM2 reversed the inhibiting effects of miR-651-5p on lung cancer cell malignant behaviors, including proliferation, migration, and invasion.
CONCLUSION: This study expounds that miR-651-5p affects the proliferation, migration, and invasion of lung cancer cells by regulating CALM2 expression.