Sphingolipids nyob qhov twg hauv lub cev?

Cov txheej txheem:

Sphingolipids nyob qhov twg hauv lub cev?
Sphingolipids nyob qhov twg hauv lub cev?
Anonim

Sphingolipids nyob rau hauv cellular membranes, lipoproteins (tshwj xeeb tshaj yog LDL) thiab lwm yam lipid-nplua nuj qauv, xws li tawv nqaij.

Sphingolipid tuaj yeem pom qhov twg?

Sphingolipids muaj nyob rau hauv tag nrho cov tsiaj, nroj tsuag, thiab fungi, thiab nyob rau hauv qee cov kab mob prokaryotic thiab kab mob. Lawv yog tsim los ntawm ib tug sphingoid lub hauv paus caj qaum uas ib tug fatty acid yuav txuas los ntawm ib tug amide daim ntawv cog lus thiab ib tug lub taub hau pab pawg neeg ntawm thawj hydroxyl.

Dab tsi yog sphingolipids thiab lawv lub luag haujlwm hauv lub cev?

Sphingolipids yog cov tshuaj bioactive uas koom nrog kev tswj hwm ntawm tes kev loj hlob, kev sib txawv, ntau lub zog ntawm tes, thiab apoptosis. Lawv muaj nyob rau hauv cov nroj tsuag thiab tsiaj cov zaub mov muaj txiaj ntsig, tab sis me ntsis paub txog lawv qhov tseem ceeb ntawm kev noj haus.

Sphingomyelin pom nyob rau hauv lub cev qhov twg?

Sphingomyelin (SPH, ˌsfɪŋɡoˈmaɪəlɪn) yog hom sphingolipid pomnyob rau hauv cov tsiaj cell membranes, tshwj xeeb tshaj yog nyob rau hauv membranous myelin sheath uas nyob ib ncig ntawm. qee lub paj hlwb axons.

Ob hom sphingolipids loj yog dab tsi?

Muaj peb hom sphingolipids tseem ceeb: ceramides, phosphosphingolipids (sphingomyelins), thiab glycosphingolipids, uas txawv ntawm cov hloov pauv ntawm lawv pawg thawj coj. Sphingolipids feem ntau pom muaj nyob rau hauv cov ntaub so ntswg neural, thiab ua lub luag haujlwm tseem ceeb hauv ob qho tib si kev sib kisthiab kev paub ntawm tes.

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