Conicasterol
Conicasterol displays marked cytotoxic activity against human breast adenocarcinoma cell line (MCF-7) with the IC50 value of 6.23 ug/mL.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Mar Drugs. 2016 Aug 18;14(8).
Mirabolides A and B; New Cytotoxic Glycerides from the Red Sea Sponge Theonella mirabilis.[Pubmed:
27548191 ]
METHODS AND RESULTS:
As a part of our continuing work to find out bioactive lead molecules from marine invertebrates, the CHCl₃ fraction of the organic extract of the Red Sea sponge Theonella mirabilis showed cytotoxic activity in our primary screen. Bioassay-guided purification of the active fractions of the sponge's extract resulted in the isolation of two new glycerides, mirabolides A and B (1 and 2), together with the reported 4-methylene sterols, Conicasterol (3) and swinhosterol B (4). The structures of the compounds were assigned by interpretation of their 1D (1H, (13)C), 2D (COSY, HSQC, HMBC, ROESY) NMR spectral data and high-resolution mass determinations.
CONCLUSIONS:
Compounds 1-4 displayed marked cytotoxic activity against human breast adenocarcinoma cell line (MCF-7) with IC50 values of 16.4, 5.18, 6.23 and 3.0 μg/mL, respectively, compared to 5.4 μg/mL observed by doxorubicin as reference drug.
