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Four New Sulfated Polar Steroids from the Far Eastern Starfish Leptasterias ochotensis: Structures and Activities
Three new sulfated steroid monoglycosides, leptaochotensosides A–C (1–3), and a new sulfated polyhydroxylated steroid (4) were isolated from the alcoholic extract of the Far Eastern starfishExpand
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Two new asterosaponins, archasterosides A and B, from the Vietnamese starfish Archaster typicus and their anticancer properties.
New asterosaponins archasterosides A (1), B (2), and the known regularoside A (3) were isolated from the Vietnamese starfish Archaster typicus and structurally elucidated by extensive NMR techniquesExpand
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Asterosaponins from the Far Eastern starfish Leptasterias ochotensis and their anticancer activity
Six new asterosaponins, leptasteriosides A-F (3-8), one new and one previously known asterogenins (1, 2) were isolated from the alcoholic extract of the Far Eastern starfish Leptasterias ochotensis.Expand
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The Inhibitory Activity of Luzonicosides from the Starfish Echinaster luzonicus against Human Melanoma Cells
Malignant melanoma is the most dangerous form of skin cancer, with a rapidly increasing incidence rate. Despite recent advances in melanoma research following the approval of several novel targetedExpand
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Steroid glycosides from marine organisms
Structures, taxonomic distribution and biological activities of steroid glycosides isolated from marine organisms over the last 8-10 years are reviewed. The bibliography includes 130 references.
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The distribution of free sterols, polyhydroxysteroids and steroid glycosides in various body components of the starfish Patiria (=Asterina) pectinifera.
The distribution of free sterols, polyhydroxysteroids and steroid glycosides in different body components of the Far-eastern starfish Patiria (=Asterina) pectinifera has been studied. It was shownExpand
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Steroidal triglycosides, kurilensosides A, B, and C, and other polar steroids from the Far Eastern starfish Hippasteria kurilensis.
Three novel steroidal triglycosides, designated as kurilensosides A, B, and C (1- 3), were isolated along with a new steroidal diglycoside, kurilensoside D (4), and two new (6, 7) and one known (5)Expand
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Four New Asterosaponins, Hippasteriosides A – D, from the Far Eastern Starfish Hippasteria kurilensis
Four new sulfated steroidal glycosides (asterosaponins), hippasteriosides A–D (1–4, resp.), were isolated from the alcoholic extract of the Far Eastern starfish Hippasteria kurilensis, collected inExpand
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Sulfated steroid compounds from the starfish Aphelasterias japonica of the Kuril population
Four sulfated steroid compounds were isolated from the Kuril population of the starfish Aphelasterias japonica. The structure of a new glycoside, aphelasteroside D, was elucidated asExpand
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Biosynthesis of polar steroids from the Far Eastern starfish Patiria (=Asterina) pectinifera. Cholesterol and cholesterol sulfate are converted into polyhydroxylated sterols and monoglycoside
For the first time, it is experimentally established that the dietary cholesterol and cholesterol sulfate are biosynthetic precursors of polyhydroxysteroids and related low molecular weightExpand
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