Sphingomyelin (SPH, ˌsfɪŋɡoˈmaɪəlɪn) is a type of sphingolipid found in animal cell membranes, especially in the membranous myelin sheath that surrounds...
17 KB (1,972 words) - 21:12, 19 May 2024
The lecithin–sphingomyelin ratio (L/S ratio or L-S ratio) is a test of fetal amniotic fluid to assess for fetal lung immaturity. Lungs require surfactant...
4 KB (478 words) - 23:12, 14 March 2024
Sphingomyelin phosphodiesterase (EC 3.1.4.12, also known as neutral sphingomyelinase, sphingomyelinase, or SMase; systematic name sphingomyelin cholinephosphohydrolase)...
13 KB (1,550 words) - 17:09, 29 November 2023
Sphingomyelin phosphodiesterase D (EC 3.1.4.41, sphingomyelinase D) is an enzyme of the sphingomyelin phosphodiesterase family with systematic name sphingomyelin...
4 KB (372 words) - 15:51, 26 August 2023
Niemann–Pick disease (redirect from Sphingomyelin lipidosis)
varying severity. These are inherited metabolic disorders in which sphingomyelin accumulates in lysosomes in cells of many organs. NP types A, A/B, and...
27 KB (3,118 words) - 04:33, 17 June 2024
In enzymology, a sphingomyelin synthase (EC 2.7.8.27) is an enzyme that catalyzes the chemical reaction a ceramide + a phosphatidylcholine ⇌ {\displaystyle...
5 KB (553 words) - 08:48, 28 February 2024
Ceramide (section Sphingomyelin hydrolysis)
membrane of eukaryotic cells, since they are component lipids that make up sphingomyelin, one of the major lipids in the lipid bilayer. Contrary to previous...
29 KB (3,310 words) - 03:20, 2 February 2024
Sphingomyelin deacylase (EC 3.5.1.109, SM deacylase, GcSM deacylase, glucosylceramide sphingomyelin deacylase, sphingomyelin glucosylceramide deacylase...
3 KB (266 words) - 09:33, 21 February 2024
L/S ratio test (lecithin/sphingomyelin). This test is used to determine fetal lung maturity. Both lecithin and sphingomyelin are lung surfactants that...
16 KB (1,928 words) - 21:20, 28 May 2024
hydrocarbon chain. In sphingomyelin and glycolipids, the amino group of sphingosine is linked to FAs by an amide bond. In sphingomyelin the primary hydroxyl...
9 KB (1,147 words) - 12:47, 20 January 2024