Triacsin C belongs to a family of fungal metabolites all having an 11-carbon alkenyl chain with a common N-hydroxytriazene moiety at the terminus.
Application
Triacsin C was found to induce maturation in mouse and Xenopus oocytes in the absence of long-chain acyl-CoA synthetase. Triacsin C can also block palmitoylation of the G-protein alpha S subunit6. Furthermore, triacsin C can stabilize1-oleoyl-2-acetyl-sn-glycerol (OAG) and enhance perilipin 3 recruitment to the endoplasmic reticulum (ER) in mouse cells7.
Biochem/physiol Actions
Triacsin C is a potent inhibitor of long-chain fatty acyl CoA synthetase. It blocks β-cell apoptosis, induced by fatty acids (lipoapoptosis) in a rat model of obesity. In addition, it blocks the de novo synthesis of triglycerides, diglycerides, and cholesterol esters, thus interfering with lipid metabolism.
Preparation Note
Triacsin C is soluble in methanol at 4.90 - 5.10 mg/ml and yields a clear, pale yellow to yellow solution.
Proceedings of the National Academy of Sciences of the United States of America, 95(16), 9558-9561 (1998-08-05)
Obesity causes its complications through functional and morphologic damage to remotely situated tissues via undetermined mechanisms. In one rodent model of obesity, the Zucker diabetic fatty fa/fa rat, overaccumulation of triglycerides in the pancreatic islets may be responsible for a
The Journal of biological chemistry, 266(7), 4214-4219 (1991-03-05)
Triacsins A, B, C, and D are new inhibitors of long chain acyl-CoA synthetase (EC 6.2.1.3) and possess different inhibitory potencies against the enzyme (Tomoda, H., Igarashi, K., and Omura, S. (1987) Biochim. Biophys. Acta 921, 595-598). Acyl-CoA synthetase activity
Journal of biochemistry, 125(2), 319-327 (1999-02-17)
Primary mouse peritoneal macrophages effectively take up and metabolize phosphatidylcholine/cholesterol liposomes containing a small amount of phosphatidylserine, which results in the massive accumulation in the cytoplasm of oil red O positive lipid droplets consisting of cholesteryl ester (CE) and triacylglycerol
Prostaglandins, leukotrienes, and essential fatty acids, 88(2), 155-162 (2012-11-17)
Fatty acids regulate angiogenesis although no such information is available in first trimester placental trophoblast cells despite the fact that angiogenesis is a critical step involving these cells in early placentation. We investigated effects of different fatty acids on angiogenesis
The Biochemical journal, 324 ( Pt 2), 529-534 (1997-06-01)
The trafficking of acyl-CoAs within cells is poorly understood. In order to determine whether newly synthesized acyl-CoAs are equally available for the synthesis of all glycerolipids and cholesterol esters, we incubated human fibroblasts with [14C]oleate, [3H]arachidonate or [3H]glycerol in the
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