Neogambogic acid
Neogambogic acid , an active ingredient in garcinia, can inhibit the growth of some solid tumors and result in an anticancer effect, it may be responsible for the inhibition of proliferation of human breast cancer cell line MCF-7 cells.
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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.
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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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Acta Biochim Biophys Sin (Shanghai). 2011 Sep;43(9):698-702.
The mechanism of neogambogic acid-induced apoptosis in human MCF-7 cells.[Pubmed:
21785112]
Neogambogic acid (NGA), an active ingredient in garcinia, can inhibit the growth of some solid tumors and result in an anticancer effect.
We hypothesize that NGA may be responsible for the inhibition of proliferation of human breast cancer cell line MCF-7 cells.
METHODS AND RESULTS:
To investigate its anticancer mechanism in vitro, MCF-7 cells were treated with various concentrations of NGA. Results of MTT (methyl thiazolyl tetrazolum) assay showed that treatment with NGA significantly reduced the proliferation of MCF-7 cells in a dose-dependent manner. NGA could increase the expression of the apoptosis-related proteins FasL, caspase-3, caspase-8, caspase-9, and Bax and decrease the expression of anti-apoptotic protein Bcl-2 accompanied by the mitochondrial transmembrane damage. The antiproliferative effect of NGA on MCF-7 cells is due to the G(0)/G(1) arrest, increased apoptosis and activation of Fas/FasL and cytochrome C pathway.
CONCLUSIONS:
These results provide an important insight into the cellular and molecular mechanisms through which NGA impairs the proliferation of breast cancer cells.
