MicroRNAs and cancer therapeutics

Man Lung Yeung1, Kuan-Teh Jeang

  • 1State Key Laboratory of Emerging Infectious Diseases, Research Centre of Infection and Immunology, Department of Microbiology Carol Yu Centre for Infection, The University of Hong Kong, Hong Kong, China.

Insights

MicroRNAs (miRNAs) regulate genes and are linked to cancer. miRNA-based therapies show promise for reverting cancer cell phenotypes, but clinical applications face challenges.

Area of Science:

  • Molecular Biology
  • Genetics
  • Cancer Research

Background:

  • MicroRNAs (miRNAs) are small non-coding RNAs regulating gene expression via RNA interference.
  • miRNA expression is precisely controlled spatially and temporally.
  • Altered miRNA expression is associated with various human cancers.

Purpose of the Study:

  • To briefly discuss the potential of miRNA-based cancer therapy.
  • To highlight current limitations hindering clinical applications of miRNA therapeutics.

Main Methods:

  • Review of recent findings on miRNA function in cancer.
  • Discussion of experimental models using miRNA mimics and inhibitors.

Main Results:

  • Some miRNAs act as tumor suppressors or oncogenes.
  • Experimental models demonstrate reversion of cancer cell phenotype using miRNA modulation.

Conclusions:

  • miRNA-based therapies offer potential for cancer treatment.
  • Overcoming current limitations is crucial for clinical translation.

Related Concept Videos

MicroRNAs01:22

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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
MicroRNAs01:22

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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
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