The impact of hypoxia in hepatocellular carcinoma metastasis

CCL Wong, AKL Kai, IOL Ng - Frontiers of medicine, 2014 - Springer
CCL Wong, AKL Kai, IOL Ng
Frontiers of medicine, 2014Springer
Hypoxia is a common phenomenon in hepatocellular carcinoma (HCC). Hypoxia stabilizes
transcription factor, hypoxia-inducible factor (HIF), to activate gene transcription. Expression
of HIF is closely associated with metastasis and poor prognosis in HCC. HIF mediates
expression of genes that are involved in every step of HCC metastasis including epithelial-
mesenchymal transition, invasion of the extracellular matrix, intravasation, extravasation,
and secondary growth of the metastases. Because HIF is the central regulator of HCC …
Abstract
Hypoxia is a common phenomenon in hepatocellular carcinoma (HCC). Hypoxia stabilizes transcription factor, hypoxia-inducible factor (HIF), to activate gene transcription. Expression of HIF is closely associated with metastasis and poor prognosis in HCC. HIF mediates expression of genes that are involved in every step of HCC metastasis including epithelial-mesenchymal transition, invasion of the extracellular matrix, intravasation, extravasation, and secondary growth of the metastases. Because HIF is the central regulator of HCC metastasis, HIF inhibitors are attractive tools when used alone or as combined treatment to curb HCC metastasis. This review will summarize the current findings on the impact of hypoxia/HIF in HCC, with a particular focus on cancer metastasis.
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