Extreme hypoxia is among the most prominent pathogenic features of pancreatic cancer(PC).Both the long non-coding RNA(lncRNA)plasmacytoma variant translocation 1(PVT1)and hypoxic inducible factor-1α(HIF-1α)are highl...Extreme hypoxia is among the most prominent pathogenic features of pancreatic cancer(PC).Both the long non-coding RNA(lncRNA)plasmacytoma variant translocation 1(PVT1)and hypoxic inducible factor-1α(HIF-1α)are highly expressed in PC patients and play a crucial role in disease progression.Reciprocal regulation involving PVT1 and HIF-1αin PC,however,is poorly understood.Here,we report that PVT1 binds to the HIF-1αpromoter and activates its transcription.In addition,we found that PVT1 could bind to HIF-1αand increases HIF-1αpost-translationally.Our findings suggest that the PVTl-HIF-1αpositive feedback loop is a potential therapeutic target in the treatment of PC.展开更多
基金supported by grants from the Public Welfare Project of Science and Technology Department of.Zhejiang Province,China(2017C33056)the Zhejiang Provincial Natural Science Foundation(LY15H030011 and LY16H070002)the Zhejiang Provincial Medical Science and Technology Program(2017KY403 and 2015RCA013).
文摘Extreme hypoxia is among the most prominent pathogenic features of pancreatic cancer(PC).Both the long non-coding RNA(lncRNA)plasmacytoma variant translocation 1(PVT1)and hypoxic inducible factor-1α(HIF-1α)are highly expressed in PC patients and play a crucial role in disease progression.Reciprocal regulation involving PVT1 and HIF-1αin PC,however,is poorly understood.Here,we report that PVT1 binds to the HIF-1αpromoter and activates its transcription.In addition,we found that PVT1 could bind to HIF-1αand increases HIF-1αpost-translationally.Our findings suggest that the PVTl-HIF-1αpositive feedback loop is a potential therapeutic target in the treatment of PC.
