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Updated: Jan 23, 2026

Isolation and Profiling of MicroRNA-containing Exosomes from Human Bile
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Emerging Function and Clinical Values of Exosomal MicroRNAs in Cancer

Man Wang1, Fei Yu1, Han Ding1

  • 1Institute for Translational Medicine, Medical College of Qingdao University, Dengzhou Road 38, Qingdao 266021, China.

Molecular Therapy. Nucleic Acids
|June 5, 2019
PubMed

Insights

Exosomes carry microRNAs (miRNAs) that influence cancer development and progression. These exosomal miRNAs show promise as non-invasive biomarkers for early cancer detection and treatment strategies.

Area of Science:

  • Extracellular Vesicles
  • Cancer Biology
  • Molecular Oncology

Background:

  • Exosomes are nanoscale extracellular vesicles involved in intercellular communication.
  • MicroRNAs (miRNAs) are critical regulators in cancer pathogenesis.
  • Tumor cells utilize exosomal miRNAs for communication within the tumor microenvironment.

Purpose of the Study:

  • To review the functional roles of exosomal miRNAs in cancer.
  • To discuss the potential of exosomal miRNAs as cancer biomarkers.
  • To highlight advances in understanding exosomal miRNA involvement in cancer.

Main Methods:

  • Literature review of recent advances in exosomal miRNA research.
  • Analysis of studies on exosomal miRNA functions in cancer.
  • Evaluation of exosomal miRNAs as diagnostic and therapeutic biomarkers.

Main Results:

  • Exosomal miRNAs regulate key cancer processes including growth, angiogenesis, metastasis, and immune evasion.
  • Altered exosomal miRNA expression is an early event in carcinogenesis.
  • Exosomal miRNAs are stable and abundant in body fluids, facilitating biomarker discovery.

Conclusions:

  • Exosomal miRNAs play significant roles in cancer pathogenesis.
  • Exosome-shuttled miRNAs hold potential as novel non-invasive biomarkers for cancer diagnosis.
  • Further research can advance the clinical utility of exosomal miRNAs in oncology.
Keywords:
cancer biomarkercancer diagnosiscancer pathogenesiscancer treatmentcarcinogenesisexosomemicroRNA

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