The membrane bile acid receptor TGR5 drives cell growth and migration via activation of the JAK2/STAT3 signaling pathway in non-small cell lung cancer

Mounting evidence suggests that an emerging G protein-coupled receptor, TGR5, plays a crucial role ranging from metabolic diseases to cancers. However, the biological functions of TGR5 in non-small cell lung cancer (NSCLC) remain elusive. We found that TGR5 was aberrantly expressed in NSCLC and positively correlated with an advanced clinical stage in NSCLC patients. We further discovered that TGR5 knockdown prevented JAK2 and STAT3 phosphorylation and repressed the expression of STAT3 target genes, thus inhibiting cell proliferation, migration and invasion in NSCLC.

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