Secologanin dimethyl acetal
Secologanin dimethyl acetal induces significant neurite outgrowth.
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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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New physiological function of secoiridoids: neuritogenic activity in PC12h cells.[Pubmed: 20652643
Previously, we have reported that geniposide isolated from an extract of Gardenia fructus has neuritogenic activity in PC12h cells, a subclone of rat pheochromocytoma cells. Furthermore, we have indicated that several geniposide-related iridoid compounds also had similar potent neuritogenic activity.
METHODS AND RESULTS:
In this study, we have examined the effects of various secoiridoid compounds [K-1, sweroside; K-2, swertiamarin; K-3, gentiopicroside; K-4, 6'-O-β-D: -glucopyranosylsweroside; K-5, 6'-O-β-D: -glucopyranosylgentiopicroside; K-6, 6'-O-β-D: -glucopyranosylswertiamarin; K-7, 5'-O-β-D: -glucopyranosylamarogentin; K-8, 5'-O-β-D: -glucopyranosylamaroswertin; H-1, n-butyl vogeloside; H-2, n-butyl epivogeloside; H-3, (7S)-secologanin butyl methyl acetal; H-4, (7R)-secologanin butyl methyl acetal; H-5, Secologanin dimethyl acetal] isolated from various medicinal herbs. The secoiridoids H-1, H-2, H-3, H-4, and H-5 induced significant neurite outgrowth. Among these H-series compounds, H-2 was the most potent neuritogenic compound. Among the K-series compounds, K-1, K-2, K-3, and K-8 showed the most potent activity.
These results suggest that secoiridoids have neuritogenic activity in PC12h cells and that these secoiridoid compounds are promising starting compounds for the development of neurotrophic factor-like and iridoid compounds.