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  • Gas6 derived from cancer-associated fibroblasts promotes migration of Axl-expressing lung cancer cells during chemotherapy.

Gas6 derived from cancer-associated fibroblasts promotes migration of Axl-expressing lung cancer cells during chemotherapy.

Scientific reports (2017-09-08)
Ryu Kanzaki, Hisamichi Naito, Kazuyoshi Kise, Kazuhiro Takara, Daisuke Eino, Masato Minami, Yasushi Shintani, Soichiro Funaki, Tomohiro Kawamura, Toru Kimura, Meinoshin Okumura, Nobuyuki Takakura
PMID28878389
ABSTRACT

Alterations to the tumor stromal microenvironment induced by chemotherapy could influence the behavior of cancer cells. In the tumor stromal microenvironment, cancer-associated fibroblasts (CAFs) play an important role. Because the receptor tyrosine kinase Axl and its ligand Gas6 could be involved in promoting non-small cell lung cancer (NSCLC), we investigated the role of Gas6 secreted by CAFs during chemotherapy in NSCLC. In a murine model, we found that Gas6 expression by CAFs was upregulated following cisplatin treatment. Gas6 expression might be influenced by intratumoral hypoperfusion during chemotherapy, and it increased after serum starvation in a human lung CAF line, LCAF