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Bioactive lipid-based therapeutic approach to COVID-19 and other similar infections

Undurti N Das1,2,3,4

  • 1UND Life Sciences, Battle Ground, WA, USA.

Archives of Medical Science : AMS
|September 21, 2023
PubMed

Insights

Bioactive lipids like arachidonic acid (AA) inactivate enveloped viruses, including SARS-CoV-2. These lipids also enhance immune cell function and promote healing, playing a critical role in managing COVID-19 and restoring homeostasis.

Area of Science:

  • Immunology
  • Virology
  • Lipidomics

Background:

  • COVID-19, caused by SARS-CoV-2, involves immune responses and viral inactivation.
  • Epithelial cells and immune cells release bioactive lipids, such as arachidonic acid (AA), during microbial infections.
  • Enveloped viruses like SARS-CoV-2, SARS-CoV-1, MERS, HBV, and HCV can be inactivated by specific fatty acids.

Purpose of the Study:

  • To elucidate the role of bioactive lipids in the immune response to SARS-CoV-2 infection.
  • To highlight the antiviral and immunomodulatory functions of various fatty acids and their derivatives.
  • To explore the therapeutic potential of bioactive lipids in managing COVID-19.

Main Methods:

  • Review of scientific literature on bioactive lipids, viral inactivation, and immune responses.
  • Analysis of the mechanisms by which fatty acids (AA, GLA, DGLA, EPA, DHA) and eicosanoids exert their effects.
  • Examination of the role of mesenchymal stem cells and their secreted lipids in COVID-19.

Main Results:

  • Bioactive lipids, including AA, GLA, DGLA, EPA, and DHA, can inactivate enveloped viruses.
  • Eicosanoids derived from these lipids (e.g., Prostaglandin E1, lipoxin A4, resolvins) enhance phagocytosis and microbial clearance.
  • Bioactive lipids modulate macrophage polarization (M1/M2), immune cell activity, and stem cell functions, crucial for COVID-19.
  • These lipids regulate inflammation, thrombosis, immune responses, and vasomotor tone.

Conclusions:

  • Bioactive lipids are critical in combating enveloped viral infections like COVID-19.
  • Lipid mediators play multifaceted roles in immune regulation, tissue repair, and viral inactivation.
  • Targeting bioactive lipid pathways presents a promising therapeutic strategy for COVID-19 and related conditions.
Keywords:
COVID-19SARS-CoV-2bioactive lipidsessential fatty acidsinflammationlipoxin A4macrophagesmaresinspolyunsaturated fatty acidsprostaglandinsprotectinsresolvins

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