Formulation: A crystalline solid
Formal Name: (2S,3R,4E)-2-amino-4-hexadecene-1,3-diol
Purity: ≥95%
Formula Markup: C16H33NO2
Formula Weight: 271,4
Shelf life (days): 730
CAS Number: 6982-09-8
Notes: Sphingosine (d16:1) is an atypical sphingolipid formed by a series of enzymatic steps beginning with the condensation of myristoyl-CoA and serine via serine palmitoyltransferase long-chain base subunit 3 (SPTLC3), an SPT subunit that prefers myristoyl-CoA over palmitoyl-CoA.{62016,62017} Sphingosine d16:1 is present in its free form at low levels in human plasma and as the sphingoid base in a variety of plasma sphingolipid species, including sphingosine-1-phosphate, ceramides, and sphingomyelins, as well as brain cerebrosides, at lower levels compared with the typical d18:1 (Item No. 10007907) sphingoid base.{62021,62018,62020,62019} Sphingosine (d16:1) inhibits PKC in a mixed micelle activity assay.{15200} It reduces the production of superoxide induced by phorbol 12-myristate 13-acetate (PMA; Item No. 10008014) in isolated human neutrophils and reduces the growth of CHO cells (IC50s = 1 and 3.2 µM, respectively). Plasma levels of sphingolipids containing sphingosine (d16:1) are associated with dietary intake of saturated fatty acids and protein in ethnic Chinese individuals.{62021} Plasma levels of sphingolipids containing sphingosine (d16:1) are decreased in patients with type 2 diabetes.{62014}
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