Biologically Active Glycosides from Asteroidea, 43. Isolation and Structure of a New Neuritogenic-Active Ganglioside Molecular Species from the Starfish Linckia laevigata

A ganglioside molecular species, LLG-5 (1), has been obtained from the water soluble lipid fraction of the CHCl3/MeOH extract of the starfish Linckia laevigata. On the basis of chemical and spectroscopic findings, the structure of 1 has been elucidated. Negative ion FAB-MS provided important informa...

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Veröffentlicht in:Chemical & pharmaceutical bulletin 2005, Vol.53(12), pp.1551-1554
Hauptverfasser: Inagaki, Masanori, Miyamoto, Tomofumi, Isobe, Ryuichi, Higuchi, Ryuichi
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container_title Chemical & pharmaceutical bulletin
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creator Inagaki, Masanori
Miyamoto, Tomofumi
Isobe, Ryuichi
Higuchi, Ryuichi
description A ganglioside molecular species, LLG-5 (1), has been obtained from the water soluble lipid fraction of the CHCl3/MeOH extract of the starfish Linckia laevigata. On the basis of chemical and spectroscopic findings, the structure of 1 has been elucidated. Negative ion FAB-MS provided important information both on the structure of the sugar moiety and on the molecular mass of the ganglioside. 1 is a new ganglioside molecular species possessing a 2→11 linked linear-type trisialosyl moiety. Moreover, 1 exhibited neuritogenic activity in rat pheochromocytoma PC-12 cells in the presence of nerve growth factor.
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subjects Animals
ganglioside
Gangliosides - chemistry
Gangliosides - isolation & purification
Gangliosides - pharmacology
Gas Chromatography-Mass Spectrometry
Glycosides - chemistry
Glycosides - isolation & purification
Glycosides - pharmacology
glycosphingolipid
Hydrolysis
Linckia laevigata
Magnetic Resonance Spectroscopy
Methanol
Neurites - drug effects
PC12 Cells
Rats
Spectrophotometry, Infrared
starfish
Starfish - chemistry
Sugar Alcohols - chemistry
title Biologically Active Glycosides from Asteroidea, 43. Isolation and Structure of a New Neuritogenic-Active Ganglioside Molecular Species from the Starfish Linckia laevigata
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