Hypoxia-induced tumor malignancy and drug resistance: Role of microRNAs

Research output: Contribution to journalReview article

8 Citations (Scopus)

Abstract

Hypoxia is an intricate microenvironment associated with aggressiveness and chemoresistance of a variety of solid tumors. Hypoxia-inducible factors (HIFs) regulate downstream target genes that render cancer cells capacity to adapt to the hostile, low-oxygen stress for survival. HIF has been estimated to regulate more than 5% of total human genes. The HIF-regulated gene network has been shown to be associated with resistance to chemotherapy, metastasis, tumor recurrence, and reduced overall survival rate. With the increasing findings that microRNAs (miRNAs) are aberrantly expressed under hypoxia, which participate positively or negatively in regulating hypoxia-related genes, the signaling pathway of hypoxia becomes more and more complicated. Based on the roles of miRNAs in tumor development and drug resistance, the potential of targeting miRNAs as a therapeutic regimen has been emphasized recently. Therefore, understanding the regulation and functions of miRNAs in cancer cells will provide us with useful information for designing more efficacious treatment regimens. In this article, we will review the biological kinship of hypoxia and hypoxia-regulated miRNAs in cancer malignancy and drug resistance.

Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalBiomarkers and Genomic Medicine
Volume6
Issue number1
DOIs
Publication statusPublished - 2014 Jan 1

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MicroRNAs
Drug Resistance
Tumors
Genes
Pharmaceutical Preparations
Neoplasms
Cells
Chemotherapy
Oxygen
Hypoxia
Tumor Hypoxia
Gene Regulatory Networks
Neoplasm Genes
Neoplasm Metastasis
Recurrence
Drug Therapy
Survival
Therapeutics

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering
  • Biochemistry, Genetics and Molecular Biology(all)
  • Drug Discovery

Cite this

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abstract = "Hypoxia is an intricate microenvironment associated with aggressiveness and chemoresistance of a variety of solid tumors. Hypoxia-inducible factors (HIFs) regulate downstream target genes that render cancer cells capacity to adapt to the hostile, low-oxygen stress for survival. HIF has been estimated to regulate more than 5{\%} of total human genes. The HIF-regulated gene network has been shown to be associated with resistance to chemotherapy, metastasis, tumor recurrence, and reduced overall survival rate. With the increasing findings that microRNAs (miRNAs) are aberrantly expressed under hypoxia, which participate positively or negatively in regulating hypoxia-related genes, the signaling pathway of hypoxia becomes more and more complicated. Based on the roles of miRNAs in tumor development and drug resistance, the potential of targeting miRNAs as a therapeutic regimen has been emphasized recently. Therefore, understanding the regulation and functions of miRNAs in cancer cells will provide us with useful information for designing more efficacious treatment regimens. In this article, we will review the biological kinship of hypoxia and hypoxia-regulated miRNAs in cancer malignancy and drug resistance.",
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Hypoxia-induced tumor malignancy and drug resistance : Role of microRNAs. / Liao, Wan Lin; Lin, Shao-Chieh; Sun, Hsiao-Fang; Tsai, Shaw-Jenq.

In: Biomarkers and Genomic Medicine, Vol. 6, No. 1, 01.01.2014, p. 1-11.

Research output: Contribution to journalReview article

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