Recent research progress on microRNAs from mesenchymal stem cell-derived exosomes for tumor therapy: A review

Yifan Jiang1,2, Xue Gao2,3, Xuezhen Zheng1,2

  • 1Department of Pathology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Cardiac Electrophysiology and Arrhythmia, Jinan, China.

Insights

Mesenchymal stem cell-derived exosomes (MSC-Exo) show potential in cancer treatment by regulating tumor microenvironments. MicroRNAs within these exosomes may offer novel therapeutic strategies for various tumors.

Area of Science:

  • Oncology
  • Stem Cell Biology
  • Exosome Biology

Background:

  • Mesenchymal stem cells (MSCs) possess regenerative capabilities and secrete factors influencing tumor microenvironments.
  • MSC-derived exosomes (MSC-Exo) are implicated in modulating tumor progression, but their exact role is debated.
  • Understanding MSC-Exo's function is crucial for developing novel cancer therapies.

Purpose of the Study:

  • To review the controversial role of MSC-derived exosomes (MSC-Exo) in tumor growth.
  • To explore the therapeutic potential of microRNAs within MSC-Exo for cancer treatment.

Main Methods:

  • Literature review of studies investigating MSCs, MSC-Exo, and their interaction with tumors.
  • Analysis of research on microRNA cargo within exosomes and their impact on cancer cells.
  • Synthesis of current understanding regarding MSC-Exo's dual role in tumor inhibition and promotion.

Main Results:

  • MSC-Exo can influence tumor microenvironments through secreted factors.
  • The specific cargo, including microRNAs, dictates whether MSC-Exo promote or inhibit tumor growth.
  • MicroRNAs within MSC-Exo present promising avenues for targeted cancer therapy.

Conclusions:

  • MSC-derived exosomes play a complex role in tumorigenesis.
  • MicroRNAs encapsulated in MSC-Exo offer a potential strategy for novel anti-cancer therapeutics.
  • Further research is warranted to elucidate MSC-Exo mechanisms for effective clinical translation.

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