|Author||Li, Butian ♦ Zhang, Shengping ♦ Shen, Hao ♦ Li, Chenglong|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||APPLIED LIFE SCIENCES ♦ ANIMAL TISSUES ♦ INHIBITION ♦ LYMPH NODES ♦ METASTASES ♦ MIGRATION ♦ PLANT TISSUES ♦ TRANSCRIPTION FACTORS|
|Abstract||MicroRNAs are aberrantly expressed in a wide variety of human cancers. The present study aims to elucidate the effects and molecular mechanisms of miR-144-3p that underlie gastric cancer (GC) development. It was observed that miR-144-3p expression was significantly decreased in GC tissues compared to that in paired non-tumor tissues; moreover, its expression was lower in tissues of advanced stage and larger tumor size, as well as in lymph node metastasis tissues compared to that in control groups. miR-144-3p expression was associated with depth of invasion (P = 0.030), tumor size (P = 0.047), lymph node metastasis (P = 0.047), and TNM stage (P = 0.048). Additionally, miR-144-3p significantly inhibited proliferation, migration, and invasion in GC cells. It also reduced F-actin expression and suppressed epithelial-to-mesenchymal transition (EMT) in GC cells. Furthermore, pre-leukemia transcription factor 3 (PBX3) was a direct target gene of miR-144-3p. PBX3 was overexpressed in GC tissues and promoted EMT in GC cells. The effects of miR-144-3p mimics or inhibitors on cell migration, invasion, and proliferation were reversed by PBX3 overexpression or downregulation respectively. These results suggest that miR-144-3p suppresses GC progression by inhibiting EMT through targeting PBX3. - Highlights: • miR-144-3p is downregulated in gastric cancer tissues and associated with malignant clinical factors. • miR-144-3p inhibits proliferation, migration, and invasion in gastric cancer cells. • PBX3 is a direct target of miR-144-3p and promotes EMT in gastric cancer. • miR-144-3p suppresses EMT in gastric cancer by regulating PBX3.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Journal||Biochemical and Biophysical Research Communications|
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