Current opinion in lipidology · 2023
The multiple roles of lysophosphatidic acid in vascular disease and atherosclerosis.
ОбзорСтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Chattopadhyay Arnab, Reddy Srinivasa T, Fogelman Alan M
Аннотация
PURPOSE OF REVIEW: To explore the multiple roles that lysophosphatidic acid (LPA) plays in vascular disease and atherosclerosis.
RECENT FINDINGS: A high-fat high-cholesterol diet decreases antimicrobial activity in the small intestine, which leads to increased levels of bacterial lipopolysaccharide in the mucus of the small intestine and in plasma that increase systemic inflammation, and enhance dyslipidemia and aortic atherosclerosis. Decreasing LPA production in enterocytes reduces the impact of the diet. LPA signaling inhibits glucagon-like peptide 1 secretion, promotes atherosclerosis, increases vessel permeability and infarct volume in stroke, but protects against abdominal aortic aneurysm formation and rupture. Acting through the calpain system in lymphatic endothelial cells, LPA reduces the trafficking of anti-inflammatory Treg lymphocytes, which enhances atherosclerosis. Acting through LPA receptor 1 in cardiac lymphatic endothelial cells and fibroblasts, LPA enhances hypertrophic cardiomyopathy.
SUMMARY: LPA plays multiple roles in vascular disease and atherosclerosis that is cell and context dependent. In some settings LPA promotes these disease processes and in others it inhibits the disease process. Because LPA is so ubiquitous, therapeutic approaches targeting LPA must be as specific as possible for the cells and the context in which the disease process occurs.
RECENT FINDINGS: A high-fat high-cholesterol diet decreases antimicrobial activity in the small intestine, which leads to increased levels of bacterial lipopolysaccharide in the mucus of the small intestine and in plasma that increase systemic inflammation, and enhance dyslipidemia and aortic atherosclerosis. Decreasing LPA production in enterocytes reduces the impact of the diet. LPA signaling inhibits glucagon-like peptide 1 secretion, promotes atherosclerosis, increases vessel permeability and infarct volume in stroke, but protects against abdominal aortic aneurysm formation and rupture. Acting through the calpain system in lymphatic endothelial cells, LPA reduces the trafficking of anti-inflammatory Treg lymphocytes, which enhances atherosclerosis. Acting through LPA receptor 1 in cardiac lymphatic endothelial cells and fibroblasts, LPA enhances hypertrophic cardiomyopathy.
SUMMARY: LPA plays multiple roles in vascular disease and atherosclerosis that is cell and context dependent. In some settings LPA promotes these disease processes and in others it inhibits the disease process. Because LPA is so ubiquitous, therapeutic approaches targeting LPA must be as specific as possible for the cells and the context in which the disease process occurs.