Aptamers Enhance Oncolytic Viruses' Antitumor Efficacy

Maya A Dymova1, Anna S Kichkailo2,3, Elena V Kuligina1

  • 1Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 8 Lavrentiev Avenue, 630090 Novosibirsk, Russia.

Pharmaceutics
|January 21, 2023
PubMed

Insights

Oncolytic viruses show promise for cancer treatment but face delivery and stability challenges. Aptamers offer a solution by enhancing targeted delivery and stability for improved cancer virotherapy.

Area of Science:

  • Biotechnology
  • Oncology
  • Virology

Background:

  • Oncolytic viruses are engineered to target and destroy cancer cells, offering a promising therapeutic avenue.
  • Current challenges include targeted delivery, immune system evasion, and viral particle stability during storage.
  • Nucleic acid aptamers present a potential solution to overcome these limitations in viral therapy.

Purpose of the Study:

  • To review current research on oncolytic viruses and aptamers for cancer treatment.
  • To analyze the potential of combining oncolytic viruses with aptamers to enhance cancer virotherapy.
  • To identify future research directions for this combined approach.

Main Methods:

  • Literature review of oncolytic virus and aptamer research.
  • Analysis of aptamer selection technologies like SELEX (Systematic Evolution of Ligands by Exponential Enrichment).
  • Evaluation of aptamer characteristics: non-immunogenicity, ease of synthesis, chemical modification, and storage stability.

Main Results:

  • Aptamers can be selected to bind specific targets, including tumor cells and viruses.
  • Aptamers are not immunogenic, are easily synthesized, and are stable under various conditions.
  • Combining aptamers with oncolytic viruses can potentially improve targeted delivery and therapeutic efficacy.

Conclusions:

  • Aptamers offer a versatile platform to address key challenges in oncolytic virus therapy.
  • The integration of aptamers and oncolytic viruses holds significant potential for advancing cancer treatment.
  • Further research is warranted to explore and optimize this synergistic approach for improved cancer virotherapy.

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