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    Dihydroxyaflavinine
    Dihydroxyaflavinine
    Information
    CAS No. 76410-56-5 Price
    Catalog No.CFN89093Purity>=98%
    Molecular Weight437.62Type of CompoundDiterpenoids
    FormulaC28H39NO3Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison
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    Biological Activity
    Description: 1. Dihydroxyaflavinine is a fungal toxin, it inhibits non-competitively GABAA receptor channel expressed in Xenopus oocytes.
    2. Dihydroxyaflavinine shows oral toxicity to the fall armyworm (Spodoptera frugiperda) and corn earworm (Heliothis zea).
    Targets: GABA Receptor
    Dihydroxyaflavinine Description
    Source: The metabolites of Aspergillus flavus.
    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.
    doi: 10.1016/j.cell.2017.12.019.

    PMID: 29328914

    Mol Cell. 2017 Nov 16;68(4):673-685.e6.
    doi: 10.1016/j.molcel.2017.10.022.

    PMID: 29149595

    Scientific Reports 2017 Dec 11;7(1):17332.
    doi: 10.1038/s41598-017-17427-6.

    PMID: 29230013

    Molecules. 2017 Oct 27;22(11). pii: E1829.
    doi: 10.3390/molecules22111829.

    PMID: 29077044

    J Cell Biochem. 2018 Feb;119(2):2231-2239.
    doi: 10.1002/jcb.26385.

    PMID: 28857247

    Phytomedicine. 2018 Feb 1;40:37-47.
    doi: 10.1016/j.phymed.2017.12.030.

    PMID: 29496173
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.2851 mL 11.4254 mL 22.8509 mL 45.7018 mL 57.1272 mL
    5 mM 0.457 mL 2.2851 mL 4.5702 mL 9.1404 mL 11.4254 mL
    10 mM 0.2285 mL 1.1425 mL 2.2851 mL 4.5702 mL 5.7127 mL
    50 mM 0.0457 mL 0.2285 mL 0.457 mL 0.914 mL 1.1425 mL
    100 mM 0.0229 mL 0.1143 mL 0.2285 mL 0.457 mL 0.5713 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.
    Dihydroxyaflavinine References Information
    Citation [1]

    Sheng Li Xue Bao. 1991 Jun;43(3):227-35.

    Fungal toxin dihydroxyaflavinine inhibits non-competitively GABAA receptor channel expressed in Xenopus oocytes.[Pubmed: 1664974]
    Dihydroxyaflavinine is an indole-derived metabolite of Aspergillus flavus. Its action on GABA-induced response was quantitatively studied on the GABAA receptor expressed in Xenopus oocytes after injection of chick brain mRNA under voltage-clamp conditions. Dihydroxyaflavinine inhibits GABA-induced current non-competitively with KI = 12 mumol/L. This blockage is rapidly reversible. In comparison, the inhibitory effect of penicillin on GABAA receptor is enhanced by increasing GABA concentration. Ro 15-1788 (a benzodiazepine ligand with KD = 0.6--2 nmol/L) of concentration as high as 1 mumol/L, does not mask the action of 10 mumol/L Dihydroxyaflavinine, indicating that Dihydroxyaflavinine acts on a site different from benzodiazepines. Dihydroxyaflavinine appears to expedite desensitization of the receptor, which is similar to the action of picrotoxin and in contrast with that of penicillin and bicuculline.
    Citation [2]

    J Antibiot (Tokyo). 1988 Dec;41(12):1868-72.

    Toxicity of selected tremorgenic mycotoxins and related compounds to Spodoptera frugiperda and Heliothis zea.[Pubmed: 3209479]
    A series of tremorgenic mycotoxins and related compounds were tested for oral toxicity to the fall armyworm (Spodoptera frugiperda) and corn earworm (Heliothis zea) by incorporation of materials into artificial diets and examining mortality and weights after 7 days. Significant mortality to both insect species was caused with Dihydroxyaflavinine and roseotoxin B, while significant mortality to H. zea was also caused by penitrem A at 25 ppm. After 7 days, weighs of larvae treated with 25 ppm penitrem A, roseotoxin B, and verruculogen were less than 50% of controls for both insect species. Weights of H. zea larvae treated with 25 ppb of penitrem A were less than 50% those of control larvae. Relative toxicities of the tremorgens and related compounds to insects compared to vertebrates are discussed.