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- Title
Ecto-F<sub>1</sub>-ATPase: A moonlighting protein complex and an unexpected apoA-I receptor.
- Authors
Vantourout, Pierre; Radojkovic, Claudia; Lichtenstein, Laeticia; Pons, Véronique; Champagne, Eric; Martinez, Laurent O.
- Abstract
Mitochondrial ATP synthase has been recently detected at the surface of different cell types, where it is a high affinity receptor for apoA-I, the major protein component in high density lipoproteins (HDL). Cell surface ATP synthase (namely ecto-F1-ATPase) expression is related to different biological effects, such as regulation of HDL uptake by hepatocytes, endothelial cell proliferation or antitumor activity of Vγ9/Vδ2 T lymphocytes. This paper reviews the recently discovered functions and regulations of ecto-F1-ATPase. Particularly, the role of the F1-ATPase pathway(s) in HDL-cholesterol uptake and apoA-Imediated endothelial protection suggests its potential importance in reverse cholesterol transport and its regulation might represent a potential therapeutic target for HDL-related therapy for cardiovascular diseases. Therefore, it is timely for us to better understand how this ecto-enzyme and downstream pathways are regulated and to develop pharmacologic interventions.
- Subjects
ADENOSINE triphosphatase; APOLIPOPROTEIN A; HIGH density lipoproteins; CELL membranes; LIVER cells; ENDOTHELIAL cells; CELL proliferation
- Publication
Annals of Gastroenterology & Hepatology, 2011, Vol 9, Issue 96, p5925
- ISSN
2043-023X
- Publication type
Article
- DOI
10.3748/wjg.v16.i47.5925