The Critical Impact of HIF-1a on Gastric Cancer Biology
AbstractHypoxia inducible factor-1 (HIF-1) monitors the cellular response to the oxygen levels in solid tumors. Under hypoxia conditions, HIF-1a protein is stabilized and forms a heterodimer with the HIF-1β subunit. The HIF-1 complex activates the transcription of numerous target genes in order to adapt the hypoxic environment in human cancer cells. In gastric cancer patients, HIF-1a activation following extended hypoxia strongly correlates with an aggressive tumor phenotype and a poor prognosis. HIF-1a activation has been also reported to occur via hypoxia-independent mechanisms such as PI3K/AKT/mTOR signaling and ROS production. This article argues for the critical roles of HIF-1a in glucose metabolism, carcinogenesis, angiogenesis, invasion, metastasis, cell survival and chemoresistance, focusing on gastric cancer. View Full-Text
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Kitajima, Y.; Miyazaki, K. The Critical Impact of HIF-1a on Gastric Cancer Biology. Cancers 2013, 5, 15-26.
Kitajima Y, Miyazaki K. The Critical Impact of HIF-1a on Gastric Cancer Biology. Cancers. 2013; 5(1):15-26.Chicago/Turabian Style
Kitajima, Yoshihiko; Miyazaki, Kohji. 2013. "The Critical Impact of HIF-1a on Gastric Cancer Biology." Cancers 5, no. 1: 15-26.