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    Voacangine
    Voacangine
    Information
    CAS No. 510-22-5 Price $463 / 5mg
    Catalog No.CFN92252Purity>=98%
    Molecular Weight368.5Type of CompoundAlkaloids
    FormulaC22H28N2O3Physical DescriptionPowder
    Download Manual    COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: Voacangine is a novel transient receptor potential vanilloid type 1 (TRPV1) antagonist, it shows mod. cytotoxic activity, also some CNS, brachycardial and hypotensive action.Voacangine significantly suppresses in vitro angiogenesis, such as VEGF-induced tube formation and chemoinvasion.
    Targets: TRPV | VEGFR
    In vitro:
    Biochem Biophys Res Commun. 2012 Jan 6;417(1):330-4.
    A natural small molecule voacangine inhibits angiogenesis both in vitro and in vivo.[Pubmed: 22155252]
    Angiogenesis, the formation of new blood vessels from pre-existing ones, plays a critical role in normal and pathological phenotypes, including solid tumor growth and metastasis. Accordingly, the development of new anti-angiogenic agents is considered an efficient strategy for the treatment of cancer and other human diseases linked with angiogenesis.
    METHODS AND RESULTS:
    We have identified Voacangine, isolated from Voacanga africana, as a novel anti-angiogenic agent. Voacangine inhibits the proliferation of HUVECs at an IC(50) of 18 μM with no cytotoxic effects. Voacangine significantly suppressed in vitro angiogenesis, such as VEGF-induced tube formation and chemoinvasion. Moreover, the compound inhibits in vivo angiogenesis in the chorioallantoic membrane at non-toxic doses. In addition, Voacangine decreased the expression levels of hypoxia inducible factor-1α and its target gene, VEGF, in a dose-dependent manner.
    CONCLUSIONS:
    Taken together, these results suggest that the naturally occurring compound, Voacangine, is a novel anti-angiogenic compound.
    Voacangine Description
    Source: The herbs of Ervatamia heyneana
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Storage: 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

    After receiving: 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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    Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

    Cell. 2018 Jan 11;172(1-2):249-261.e12.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.7137 mL 13.5685 mL 27.137 mL 54.2741 mL 67.8426 mL
    5 mM 0.5427 mL 2.7137 mL 5.4274 mL 10.8548 mL 13.5685 mL
    10 mM 0.2714 mL 1.3569 mL 2.7137 mL 5.4274 mL 6.7843 mL
    50 mM 0.0543 mL 0.2714 mL 0.5427 mL 1.0855 mL 1.3569 mL
    100 mM 0.0271 mL 0.1357 mL 0.2714 mL 0.5427 mL 0.6784 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    Protocol
    Kinase Assay:
    J Nat Prod. 2014 Feb 28;77(2):285-97.
    Activation and inhibition of thermosensitive TRP channels by voacangine, an alkaloid present in Voacanga africana, an African tree.[Pubmed: 24484240]
    Voacangine (1) is an alkaloid found in the root bark of Voacanga africana. Our previous work has suggested that 1 is a novel transient receptor potential vanilloid type 1 (TRPV1) antagonist.
    METHODS AND RESULTS:
    In this study, the agonist and antagonist activities of 1 were examined against thermosensitive TRP channels. Channel activity was evaluated mainly using TRP channel-expressing HEK cells and calcium imaging. Herein, it was shown that 1 acts as an antagonist for TRPV1 and TRPM8 but as an agonist for TRPA1 (EC50, 8 μM). The compound competitively blocked capsaicin binding to TRPV1 (IC50, 50 μM). Voacangine (1) competitively inhibited the binding of menthol to TRPM8 (IC50, 9 μM), but it showed noncompetitive inhibition against icilin (IC50, 7 μM). Moreover, the compound selectively abrogated chemical agonist-induced TRPM8 activation and did not affect cold-induced activation.
    CONCLUSIONS:
    Among these effects, the TRPM8 inhibition profile is unique and noteworthy, because to date no studies have reported a menthol competitive inhibitor of TRPM8 derived from a natural source. Furthermore, this is the first report of a stimulus-selective TRPM8 antagonist. Accordingly, 1 may contribute to the development of a novel class of stimulus-selective TRPM8 blockers.