Related Experiment Video
Updated: Jul 30, 2025

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
COVID-19, Blood Lipid Changes, and Thrombosis
Akhlaq A Farooqui1, Tahira Farooqui1, Grace Y Sun2
1Department of Molecular and Cellular Biochemistry, Ohio State University, Columbus, OH 43210, USA.
COVID-19 coagulopathy involves blood lipids. Secretory phospholipase A2 IIA (sPLA2-IIA) metabolites, like arachidonic acid and lysophosphatidic acid, promote thrombosis in COVID-19 patients.
Area of Science:
- Biochemistry
- Immunology
- Pathology
Background:
- COVID-19 is linked to increased thrombosis risk and severity.
- Oxidative stress and inflammation are implicated, but mechanisms are unclear.
- Blood lipid alterations are increasingly recognized in COVID-19 patients.
Purpose of the Study:
- To review the role of blood lipids in COVID-19-associated thrombosis.
- To highlight the involvement of secretory phospholipase A2 IIA (sPLA2-IIA) and its metabolites.
Main Methods:
- Review of existing literature on COVID-19, thrombosis, and lipid mediators.
- Analysis of studies reporting sPLA2-IIA, eicosanoids, and other lipid levels in COVID-19 patients.
Main Results:
- Elevated sPLA2-IIA and eicosanoids are found in COVID-19 patients.
- sPLA2-IIA metabolizes phospholipids into pro-coagulant mediators like arachidonic acid and lysophosphatidic acid (LPA).
- Increased autotaxin (ATX) and LPA contribute to NETosis, a key feature of COVID-19 hypercoagulability.
Conclusions:
- Metabolites of sPLA2-IIA play a significant role in COVID-19-associated coagulopathy (CAC).
- Targeting lipid mediator pathways may offer therapeutic strategies for managing COVID-19 complications.
Related Concept Videos
Blood Studies for Cardiovascular System III: Serum Lipid Profile
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Anticoagulant Drugs: Low-Molecular-Weight Heparins
Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Lipid-derived Compounds in the Human Body
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
Overview of Lipid Metabolism
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...

