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Serine-arginine protein kinases: a small protein kinase family with a large cellular presence
(2011)
Serine-arginine protein kinases (SPRKs) constitute a relatively novel subfamily of serine-threonine kinases that specifically phosphorylate serine residues residing in serine-arginine/arginine-serine dipeptide motifs. ...
Cobalt stimulates HIF-1-dependent but inhibits HIF-2-dependent gene expression in liver cancer cells
(2013)
Hypoxia-inducible factors (HIFs) are transcriptional regulators that mediate the cellular response to low oxygen. Although HIF-1 is usually considered as the principal mediator of hypoxic adaptation, several tissues and ...
MgcRacGAP, a cytoskeleton regulator, inhibits HIF-1 transcriptional activity by blocking its dimerization
(2013)
Hypoxia inducible factor-1 (HIF-1), a dimeric transcription factor of the bHLH-PAS family, is comprised of HIF-1 alpha, which is inducible by hypoxia and ARNT or HIF-1 beta, which is constitutively expressed. HIF-1 is ...
The dietary flavonoid kaempferol effectively inhibits HIF-1 activity and hepatoma cancer cell viability under hypoxic conditions
(2010)
Hepatocellular carcinoma (HCC) is characterized by high mortality rates and resistance to conventional treatment. HCC tumors usually develop local hypoxia, which stimulates proliferation of cancer cells and renders them ...