Regulation of the hypoxic tumor environment in hepatocellular carcinoma using RNA interference

Sung Hoon Choi, Jun Yong Park

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)


Objectives: Hypoxia is the condition where tumor cells have been deprived of oxygen and has been shown to have a role of tumor development in the hepatocellular carcinoma (HCC). Methods: Using PubMed online database and Google scholar web site, the terms "angiogenesis", "apoptosis", "RNA interference" and/or "hepatocellular carcinoma (HCC)" were searched and analyzed. Results: The hypoxia inducible factors (HIFs) are transcriptional regulators that affect a homeostatic response to oxidative stress and have been identified as a key transcription activator of angiogenesis, survival, and metabolism. Cytokines, such as IL-8, also controlled endothelia cells survival and angiogenesis. IL-8 was also overexpressed under hypoxia and induced tumor angiogenesis and growth. Conclusion: Therefore, regulation of HIFs and IL-8 controlled the tumor microenvironment in terms of tumor angiogenesis and apoptosis. The review summarizes the results of regulation of the hypoxic tumor environment.

Original languageEnglish
Article number3
JournalCancer Cell International
Issue number1
Publication statusPublished - 2017 Jan 3

Bibliographical note

Funding Information:
This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education, Science, and Technology (NRF-2011-0014537).

Publisher Copyright:
© 2017 The Author(s).

All Science Journal Classification (ASJC) codes

  • Oncology
  • Genetics
  • Cancer Research


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