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Sulfatide, also known as 3-O-sulfogalactosylceramide, SM4, or sulfated galactocerebroside, is a class of sulfolipids, specifically a class of sulfoglycolipids, which are glycolipids that contain a sulfate group. Sulfatide is synthesized primarily starting in the endoplasmic reticulum and ending in the Golgi apparatus where ceramide is converted to galactocerebroside and later sulfated to make sulfatide. Of all of the galactolipids that are found in the myelin sheath, one fifth of them are sulfatide. Sulfatide is primarily found on the extracellular leaflet of the myelin plasma membrane produced by the oligodendrocytes in the central nervous system and in the Schwann cells in the peripheral nervous system. However, sulfatide is also present on the extracellular leaflet of the plasma membran

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type
label
  • Sulfatide
  • Sulfatide
  • Sulfatide
  • Сульфатиди
  • Сульфатиды
  • 腦硫脂
comment
  • Un sulfatide est un sulfolipide qui correspond à un galactocérébroside sulfaté. Ce type de composés est produit en premier lieu par les oligodendrocytes, des cellules de la substance grise et de la substance blanche du cerveau et de la moelle épinière, constituant le système nerveux central.
  • 腦硫脂(英語:sulfatide,硫酸腦苷脂、硫苷脂、硫脂類、半乳糖酰基鞘氨醇/3-O-sulfogalactosylceramide、SM4、硫酸化半乳糖/sulfated galactocerebroside)屬於一類,具體上是"硫酸醣脂"(sulfoglycolipid)的一類,因其含硫酸基糖脂。腦硫脂的合成主要在内质网開始而在高尔基体結束,過程中神經酰胺轉化成半乳糖之後硫化為腦硫脂。在髓磷脂的半乳糖脂中,有1/5是腦硫脂。腦硫脂主要被發現在由中樞神經系統的少突膠質細胞及周围神经系统中,施旺細胞所產生髓鞘细胞膜的胞膜外片上。然而,腦硫脂也存在於真核生物組織的許多細胞之细胞膜的胞膜外片上。 因為腦硫脂是一種多功能分子,它可以在多種生物學領域中使用。除了作為膜成分,腦硫脂功能作用在(靶向蛋白)、、神经可塑性、記憶及"神經膠質細胞軸突的相互作用"(glial-axon interaction)等功能上。腦硫脂也作用在一些生理過程及系統上,包括神经系统、免疫系统、胰岛素分泌、凝血、病毒性疾病,及細菌感染等。其結果是,腦硫脂或可關聯於或也能夠結合到腎組織、癌症細胞/組織、红血球細胞及血小板的表面、免疫系統中的CD1a-d細胞、許多細菌細胞、一些病毒、髓鞘、神經元,以及星形膠質細胞等組織上。
  • Sulfatide sind von Glycosphingolipiden. Es handelt sich um Cerebroside, bei denen am C3 des Glycosylrestes (entweder Glucose oder Galactose) eine Sulfatgruppe angelagert ist. Der Donor ist 3′-Phosphoadenosin-5′-phosphosulfat (PAPS). Sie werden primär in Oligodendrozyten im ZNS gebildet. Ein Defekt oder Mangel der Sulfat-abspaltenden Sulfatidase Arylsulfatase A und die daraus resultierende Akkumulation von Sulfatiden in den Lysosomen von Oligodendrozyten führt zu metachromatischer Leukodystrophie.
  • Sulfatide, also known as 3-O-sulfogalactosylceramide, SM4, or sulfated galactocerebroside, is a class of sulfolipids, specifically a class of sulfoglycolipids, which are glycolipids that contain a sulfate group. Sulfatide is synthesized primarily starting in the endoplasmic reticulum and ending in the Golgi apparatus where ceramide is converted to galactocerebroside and later sulfated to make sulfatide. Of all of the galactolipids that are found in the myelin sheath, one fifth of them are sulfatide. Sulfatide is primarily found on the extracellular leaflet of the myelin plasma membrane produced by the oligodendrocytes in the central nervous system and in the Schwann cells in the peripheral nervous system. However, sulfatide is also present on the extracellular leaflet of the plasma membran
  • Сульфатиды (сульфолипиды) — сложные липиды, содержащие сульфогруппу; представляют собой сульфаты цереброзидов (цереброзид-сульфаты). Сульфатид синтезируется в основном, начиная с эндоплазматического ретикулума и заканчивая аппаратом Гольджи, где церамид превращается в , а затем сульфатируется с образованием сульфатида.
  • Сульфатиди (англ. sulfatides) — гідрогенсульфатні естери глікосфінголіпідів. Окремі сполукиназиваються як гліцеросфінголіпідні похідні.
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