beta2-Solamargine CAS NO.32449-98-2

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General tips：For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
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Chemical Properties of Khasianine

Source of Khasianine

The herbs of Solanum nigrum L.

Biological Activity of Khasianine

Preparing Stock Solutions of Khasianine

References on Khasianine

The rhamnose moiety of solamargine plays a crucial role in triggering cell death by apoptosis.[Pubmed:9439603]

Biochem Biophys Res Commun. 1998 Jan 6;242(1):21-5.

Solamargine, solasodine and Khasianine steroidal alkaloids are utilized to determine the role of carbohydrate moiety in the mechanism of apoptosis. The C3 side chain of solamargine, Khasianine and solasodine contains 4'Rha-Glc-Rha2', 4'Rha-Glc and H, respectively. Solamargine possessed potent cytotoxicity to human hepatoma cells, while the cytotoxicity of Khasianine was greatly diminished. Nevertheless, only solamargine could induced "sub-G1" of apoptotic feature in flowcytometry. Thus, the 2'Rha moiety of solamargine may play a crucial role in triggering cell death by apoptosis. In addition, the molecular modeling of solamargine indicated that the 2'Rha moiety was adjacent to the rigid steroid structure, and drastically changed the dihedral angle of the glycosidic bond. The regulations of TNFR I and II expression by different carbohydrate moieties were also distinct. It implied that the carbohydrate moieties of steroidal alkaloids might alter the binding specificity to steroid receptors and consequently regulate the gene expression in different manners.

Cytotoxic principles and their derivatives of Formosan Solanum plants.[Pubmed:8450317]

J Nat Prod. 1993 Jan;56(1):15-21.

The new steroidal alkaloid capsimine-3-O-beta-D-glucoside [1] was isolated from the root bark of Solanum capsicastrum, and carpesterol [2], 3 beta-(p-hydroxy)-benzoyloxy-22 alpha-hydroxy-4 alpha-methyl-5 alpha-stigmast-7-en-6-one [3], and a new steroidal glycoside named indioside A [4] were isolated from the fruit of Solanum indicum. Indioside A was characterized as 3 beta-O-[alpha-L-rhamnopyranosyl-(1-->2), beta-D-glucopyranosyl-(1-->4), beta-D-glucopyranosyl-(1-->3)-]alpha-L-rhamnopyranosyl-(-->2)]-beta-D- glucopyranosyl]-diosgenin. Khasianine, dihydrosolasodine, capsimine, and capsimine-3-O-beta-D-glucoside exhibited strong activity against liver damage induced by CCl4. Capsimine and narigenin exhibited significant cytotoxic effect against human PLC/PRF/5 and KB cells in vitro, and capsicastrine and etioline exhibited significant cytotoxicity against human PLC/PRF/5 cells in vitro.

Description

Khasianine is a steroidal glycoalkaloid which is obtained from black nightshade (Solanum Nigrum L.), which displays antitumor activity.

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