To evaluate the precise role of sphingomyelin synthase 2 (SMS2) in sphingomyelin (SM) metabolism and their anti-inflammatory properties, we analyzed species of major SM and ceramide (Cer) (18:1, 18:0 sphingoid backbone, C14 - C26 N-acyl part) in SMS2 knockout and wild-type mouse plasma and liver
The effect of dietary sphingomyelin (SM) on inflammatory bowel disease (IBD) induced with dextran sodium sulfate (DSS) was examined in mice. Although the severity of IBD as expressed by the disease activity index (DAI) markedly increased with DSS administration, feeding a diet containing SM lowered
OBJECTIVE
This study sought to assess the effect of sphingomyelin synthase 2 (SMS2) over-expression on plaque component and endothelial dysfunction in atherosclerosis.
METHODS
We generated recombinant adenovirus vectors containing human SMS2 cDNA (AdV-SMS2) or control gene GFP cDNA (AdV-GFP). Both
Ceramide has emerged as an important lipid messenger for many cellular processes triggered via surface receptors. In the present study, inflammatory activation of P388D1 macrophages with bacterial lipopolysaccharide (LPS) and platelet-activating factor (PAF) stimulated a transient accumulation of
Plasma sphingomyelin (SM) has been shown to be an independent risk factor for coronary heart disease, and sphingomyelin synthase 2 (SMS2) contributes to de novo SM biosynthesis and plasma membrane SM levels. The aim of the present study is to evaluate the in vivo role of SMS2 deficiency in serum SM
Sphingomyelin synthase 2 (SMS2) is a promising therapeutic target for several chronic inflammation-associated diseases, including atherosclerosis, fatty liver, and insulin resistance. Herein, we report the identification of 4-benzyloxybenzo[ d]isoxazole-3-amine derivatives as potent and highly
It is well known that Loxosceles venom induces local dermonecrosis in rabbits, guinea pigs and humans but not in mice, although, depending on the dose, Loxosceles venom can be lethal to mice. In this work we demonstrate that mice injected intradermally in the dorsal area of the back can survive a
Although membrane sphingomyelin (SPH) serves as the precursor for many signaling molecules, its presence in large amounts, and its specific localization in the outer monolayer of the plasma membrane suggest that it may have a cytoprotective function. We propose that SPH helps maintain the integrity
Invariant natural killer T (iNKT) cells recognize activating self and microbial lipids presented by CD1d. CD1d can also bind non-activating lipids, such as sphingomyelin. We hypothesized that these serve as endogenous regulators and investigated humans and mice deficient in acid sphingomyelinase
Previous studies show the enrichment of mammalian brain with neutral sphingomyelin-specific phospholipase C (ceramide-phosphocholine phosphodiesterase, EC 3.1.4.12; N-Sase), a key enzyme of sphingolipid metabolism and sphingolipid-induced signaling.
OBJECTIVE
The objective of this study was to
BACKGROUND
The sphingolipid sphingomyelin is a constituent in food derived from animals. Digestive breakdown of sphingomyelin results in ceramide, recently suggested to be involved in activation of cathepsin D as a novel mediator of apoptosis. Damage of the epithelial barrier was detected in
Inflammation of the gastrointestinal tract increases the risk of developing colon cancer especially in younger adults. Dietary compounds are not only associated with the etiology of inflammation and colon cancer but also in their prevention. Sphingolipid metabolites have been shown to play a role in
The identification of natural bioactive compounds aimed at promoting optimal gut health and improving lipid metabolism is paramount in the prevention of chronic disease. In this review, we summarize basic science and clinical research examining the protective properties of milk sphingomyelin (SM)
Sphingomyelin synthase (SMS) plays an important role in plasma atherogenic lipoprotein metabolism, inflammation, and the development of atherosclerosis. To understand whether the impaired apoB secretion and inflammation response is a direct result from lack of SMS activity, in this study, we
Western-type diets can induce obesity and related conditions such as dyslipidemia, insulin resistance and hepatic steatosis. We evaluated the effects of milk sphingomyelin (SM) and egg SM on diet-induced obesity, the development of hepatic steatosis and adipose inflammation in C57BL/6J mice fed a
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