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C22 Sphingomyelin is a naturally occurring form of sphingomyelin (Item Nos. 22674 | 24345). Plasma levels of C22 sphingomyelin positively correlate with hepatic steatosis severity in patients with chronic hepatitis C virus (HCV). C22 Sphingomyelin levels are decreased in T-47D mammary epithelial cells and increased in MDA-MB-231 breast cancer cells relative to C16 sphingomyelin . [Matreya, LLC. Catalog No. 1918]

N-Docosanoyl-D-erythro-sphingosylphosphorylcholine (Sphingomyelin (d18:1 C22:0)) is a compound that appears in the plasma sphingolipid profile after chronic hepatitis C virus infection. The level of this substance in plasma is associated with hepatic steatosis and may be an independent factor of hepatic steatosis.

ChEBI: N-docosanoylsphingosine-1-phosphocholine is a sphingomyelin d18:1 in which the N-acyl group is specified as docosanoyl It has a role as a mouse metabolite. It is a sphingomyelin 40:1 and a sphingomyelin d18:1. It is functionally related to a docosanoic acid.

[1] Elevated plasma sphingomyelin (d18:1/22:0) is closely related to hepatic steatosis in patients with chronic hepatitis C virus infection DOI:10.1007/s10096-014-2123-x