Furowanin A
Furowanin A shows significant cytotoxicity against HL-60 cells, it induces that Caspase-9 and caspase-3 inhibitors suppresses apoptosis.
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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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Induction of apoptosis by isoflavonoids from the leaves of Millettia taiwaniana in human leukemia HL-60 cells.[Pubmed:
16557456]
METHODS AND RESULTS:
We have isolated two new isoflavonoids, millewanin-F (1) and furowanin-A (2), together with five known isoflavonoids from the leaves of Millettia taiwaniana Hayata (Leguminosae) and examined their effects on the growth of human leukemia HL-60 cells. Among the isolated isoflavonoids, furowanin-A (2), warangalone (3), isoerysenegalensein-E (4), and euchrenone b10 (6) showed significant cytotoxicity against HL-60 cells. After treatment with three of the cytotoxic isoflavonoids, furowanin-A (2), warangalone (3), and isoerysenegalensein-E (4), fluorescence microscopy with Hoechst 33,342 staining revealed that the percentage of apoptotic cells with fragmented nuclei and condensed chromatin increased in a time-dependent manner. In addition, the activities of caspase-9 and caspase-3 were also enhanced in a time-dependent manner upon treatment with the isoflavonoids 2, 3, and 4. Caspase-9 and caspase-3 inhibitors suppressed apoptosis induced by isoflavonoids 2, 3, and 4.
CONCLUSIONS:
These results suggest that the isoflavonoids induced apoptosis in HL-60 cells through activation of the caspase-9/caspase-3 pathway, which is triggered by mitochondrial dysfunction.
