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Published on: January 7, 2019
Advancements in Cancer Therapy: Mycoviruses and Their Oncolytic Potential
Kannan Kamala1,2, Dhanraj Ganapathy3, Pitchiah Sivaperumal4,5
1Marine Microbial Research Lab, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical & Technical Sciences, Saveetha University, Chennai, 600077, Tamil Nadu, India.
Abstract:
Recent advancements in cancer research focus on reducing treatment side effects while enhancing efficacy against medication resistance and tumor antigen detection. Genetic therapies utilizing microbes like bacteria, fungi, and viruses have garnered attention, with mycoviruses emerging as promising candidates. Particularly, the smallest fungal virus, Myco-phage, exhibits oncolytic properties by lysing cancer cells in the mouth, oral cavity, head, and neck without adverse effects. Genetically Modified Myco-phage (GmMP) adapts quickly to target cancer cells through cell membrane damage, inducing apoptosis and dendritic cell activation. Additionally, GmMP inhibits angiogenesis and modulates immune responses via CAR cells and immune checkpoints, potentially transforming cancer treatment paradigms with enhanced specificity and efficacy.
Insights
Mycoviruses, specifically Myco-phages, show promise in cancer therapy by targeting and destroying oral cancer cells with minimal side effects. Genetically modified versions (GmMP) enhance this by damaging cancer cell membranes and activating immune responses.
Area of Science:
- Oncology
- Virology
- Immunotherapy
Background:
- Cancer research aims to improve treatment efficacy and reduce side effects, particularly against drug resistance and for better tumor antigen detection.
- Microbial genetic therapies, including bacteria, fungi, and viruses, are emerging as novel treatment strategies.
- Mycoviruses, a type of fungal virus, are gaining attention for their therapeutic potential in oncology.
Discussion:
- Myco-phages, the smallest fungal viruses, demonstrate oncolytic activity against head, neck, and oral cancers by inducing cell lysis without apparent toxicity.
- Genetically Modified Myco-phage (GmMP) exhibits rapid adaptation to target cancer cells, causing cell membrane damage and initiating apoptosis.
- GmMP also activates dendritic cells, inhibits angiogenesis, and modulates immune responses through CAR cells and immune checkpoints.
Key Insights:
- Mycovirus-based therapy offers a novel approach to cancer treatment with potential for high specificity.
- GmMP demonstrates a multi-pronged mechanism of action, including direct oncolysis and immune system modulation.
- The therapy shows promise in overcoming challenges like medication resistance and improving tumor antigen targeting.
Outlook:
- Further research into GmMP could lead to transformative cancer treatment paradigms.
- This approach may offer enhanced specificity and efficacy compared to conventional therapies.
- Clinical trials are warranted to validate the safety and effectiveness of mycovirus-based cancer treatments.
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