MBTPS1 and atherosclerosis: In low‐density lipoprotein receptor‐deficient (LDL−/−) mice, elevating endogenous S1P levels could significantly inhibit the development of atherosclerosis by reducing plaque formation, macrophages content and lipopolysaccharide‐induced recruitment of monocytes into the peritoneal cavity, leucocyte adhesion to capillary walls and endothelial permeability.22