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C21 steroidal glycosides and oligosaccharides from the root bark of Periploca sepium. 2017

Xin-Yue Gu, and Zhou-Wei Wu, and Lun Wang, and Fu Li, and Bin Chen, and Kai Yu, and Ming-Kui Wang
Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization and Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; University of Chinese Academy of Sciences, Beijing 100049, China.

Four new C21 steroidal glycosides (1-4), named perisepiumosides FI (1-4) together with six known steroidal glycosides (5-10) and four oligosaccharides (11-14), were isolated from the root bark of Periploca sepium. Their structures were characterized on the basis of 1D and 2D-NMR spectroscopic data as well as HR-ESI-MS analysis. The evaluation of inhibition activity against human A-549 and HepG2 cell lines indicated that compounds 2, 8, 10 and 13 showed different levels of cytotoxic activities with IC50 values ranging from 0.61 to 7.86μM.

UI MeSH Term Description Entries
D009844 Oligosaccharides Carbohydrates consisting of between two (DISACCHARIDES) and ten MONOSACCHARIDES connected by either an alpha- or beta-glycosidic link. They are found throughout nature in both the free and bound form. Oligosaccharide
D006027 Glycosides Any compound that contains a constituent sugar, in which the hydroxyl group attached to the first carbon is substituted by an alcoholic, phenolic, or other group. They are named specifically for the sugar contained, such as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc. Upon hydrolysis, a sugar and nonsugar component (aglycone) are formed. (From Dorland, 28th ed; From Miall's Dictionary of Chemistry, 5th ed) Glycoside
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000072283 A549 Cells An immortalized cell line derived from human ADENOCARCINOMA, ALVEOLAR basal epithelial cells isolated from the lungs of a male patient in 1972. The cell line is positive for KERATIN, can synthesize LECITHIN, and contains high levels of POLYUNSATURATED FATTY ACIDS in its PLASMA MEMBRANE. It is used as a model for PULMONARY ALVEOLI function and virus infections, as a TRANSFECTION host, and for PRECLINICAL DRUG EVALUATION. A549 Cell Line,A549 Cell,A549 Cell Lines,Cell Line, A549,Cell Lines, A549,Cell, A549,Cells, A549
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D056945 Hep G2 Cells A human liver tumor cell line used to study a variety of liver-specific metabolic functions. Cell Line, Hep G2,Cell Line, Hepatoblastoma G2,Hep G2 Cell Line,HepG2 Cells,Hepatoblastoma G2 Cell Line,Cell, Hep G2,Cell, HepG2,Cells, Hep G2,Cells, HepG2,Hep G2 Cell,HepG2 Cell
D018517 Plant Roots The usually underground portions of a plant that serve as support, store food, and through which water and mineral nutrients enter the plant. (From American Heritage Dictionary, 1982; Concise Dictionary of Biology, 1990) Plant Bulbs,Plant Root,Bulb, Plant,Bulbs, Plant,Plant Bulb,Root, Plant,Roots, Plant
D031109 Periploca A plant genus of the family Apocynaceae. It is a source of periplocosides (pregnane steroid glycosides).

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