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    Schisandrol A
    Information
    CAS No. 7432-28-2 Price $60 / 20mg
    Catalog No.CFN99012Purity>=98%
    Molecular Weight432.5Type of CompoundLignans
    FormulaC24H32O7Physical DescriptionPowder
    Download Manual    COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: Schisandrol A may be a new promising treatment for neurotoxicity, erectile dysfunction and cardiovascular disease.It can inhibit the activities of Pgp,Beta Amyloid,CYP3A4,cGMP,and NOS, the IC(50) value of CYP3A4 is 32.02 microM.
    Targets: ERK | JNK | P450 (e.g. CYP17) | p38MAPK | Caspase
    In vitro:
    Zhong Yao Cai. 2010 Mar;33(3):397-401.
    Protective and therapeutic effects of schisandrol A on Abeta damaged PC12 cells.[Pubmed: 20681306]
    To observe the protective and therapeutic effect of Schisandrol A on the Abeta damaged PC12 cells. PC12 cells were damaged by Abeta in vitro.
    METHODS AND RESULTS:
    Morphological changes were observed and the number of cells with neurite was analyzed by phase contrast microscope. The cell viability of PC12 cells was determined by the MTT method. Many dispirited cells with atrophied or fragmented neurites in the Abeta damaged PC12 cells were observed under the microscope. More vital cells with longer neurites were observed in the Schisandrol A treated PC12 cells and the number of cells with neurite increased. The difference of cell viability between the two groups was statistical significant.
    CONCLUSIONS:
    Schisandrol A can antagonize the neurotoxicity of Abeta and has protective and therapeutic efficacy on Abeta damaged PC12 cells.
    In vivo:
    Cell Mol Biol (Noisy-le-grand). 2016 Mar 31;62(3):115-9.
    Cavernosum smooth muscle relaxation induced by Schisandrol A via the NO-cGMP signaling pathway.[Pubmed: 27064883]
    To evaluate the effect of Schisandrol A on rabbit corpus cavernosum smooth muscle and elucidate the potential mechanism. Penises were obtained from healthy male New Zealand White rabbits (2.5-3.0 kg).
    METHODS AND RESULTS:
    The pre-contracted penis with phenylephrine (Phe, 10 μM) was treated with accumulative concentrations of Schisandrol A (10-7, 10-6, 10-5 and 10-4 M). The change in intracavernosum pressure (ICP) and tension was recorded, cyclic nucleotides in the cavernosum tissue were measured by radioimmunoassay, mRNA level and expression of endothelial nitric oxide synthase (eNOS) and neuronal NOS (nNOS) were measured by real time PCR and western blot respectively. The corpus cavernosum smooth muscle relaxation induced by Schisandrol A was in a dose-dependent manner. Pre-treatment with NOS inhibitor (Nω nitro-L-arginine-methyl ester, L-NAME) or guanylyl cyclase inhibitor (1H-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one, ODQ) significantly diminished the relaxation. The cyclic guanosine monophosphate (cGMP) level was significantly increased in the cavernosum tissue. Real time PCR and western blot showed the mRNA level and expression of eNOS and nNOS was also upregulated.
    CONCLUSIONS:
    Schisandrol A relaxes the cavernosum smooth muscle by activating NO-cGMP signaling pathway. It may be a new promising treatment for erectile dysfunction and cardiovascular disease.
    Schisandrol A Description
    Source: The fruits of Schisandra chinensis (Turcz.) Baill.
    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

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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.3121 mL 11.5607 mL 23.1214 mL 46.2428 mL 57.8035 mL
    5 mM 0.4624 mL 2.3121 mL 4.6243 mL 9.2486 mL 11.5607 mL
    10 mM 0.2312 mL 1.1561 mL 2.3121 mL 4.6243 mL 5.7803 mL
    50 mM 0.0462 mL 0.2312 mL 0.4624 mL 0.9249 mL 1.1561 mL
    100 mM 0.0231 mL 0.1156 mL 0.2312 mL 0.4624 mL 0.578 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
    Cell Research:
    Planta Med. 2007 Mar;73(3):212-20.
    Schisandrol A from Schisandra chinensis reverses P-glycoprotein-mediated multidrug resistance by affecting Pgp-substrate complexes.[Pubmed: 17318783]
    Recent studies have shown that dibenzocyclooctadiene lignans may reverse P-glycoprotein-mediated multidrug resistance (Pgp-MDR) in cancer cells; however, the mechanism of action remains unknown.
    METHODS AND RESULTS:
    Through screening of herbs, we found that Schisandrol A (SCH) isolated from Fructus Schisandrae (the dried fruit of Schisandra chinensis (Turcz.) Baill.) sensitized Pgp-MDR HepG2-DR cells by interfering with the function of Pgp-substrate complexes. In Pgp-MDR cells, SCH enhanced the cytotoxicity of cancer drugs that are Pgp substrates and restored vinblastine-induced G2/M arrest without lowering Pgp expression. SCH increased cellular retention of Pgp substrates such as rhodamine 123. In Pgp-overexpressing membrane preparations, SCH stimulated basal Pgp-ATPase thus showing some substrate-like function. However, SCH was not a competitive inhibitor for verapamil or progesterone and decreased their Km. In the presence of substrates, SCH decreased the reactivity between Pgp and the monoclonal antibody UIC-2 which is normally increased with active substrate-Pgp complexes. The labeling of active Pgp transport sites by [125I]-iodoarylazidoprazosin was partially blocked by SCH.
    CONCLUSIONS:
    SCH did not affect the activity of the mutant Pgp F983A suggesting that SCH acted differently than the thioxanthene type of Pgp allosteric inhibitors. Our results suggest that SCH acts by affecting the normal formation and functioning of the Pgp-substrate complexes.
    Phytomedicine. 2010 Jul;17(8-9):702-5.
    Inhibition of cytochrome P450 3A4 activity by schisandrol A and gomisin A isolated from Fructus Schisandrae chinensis.[Pubmed: 20089387 ]
    We studied the effects of Schisandrol A (SCH) and gomisin A (GOM), two of the main bioactive components of Fructus Schisandrae chinensis, on cytochrome P450-3A4 (CYP3A4) activity and cellular glutathione (GSH) level. In a cell-free system both SCH and GOM inhibited CYP3A4 activity with IC(50) values of 32.02 microM and 1.39 microM, respectively. SCH or GOM at concentrations up to 100 microM did not alter cellular GSH level in regular HepG2 cells and P-glycoprotein overexpressing HepG2-DR cells. Since SCH and GOM may reverse multidrug resistance (MDR) by impeding the activity of P-glycoprotein, a membrane xenobiotic exporter, SCH or GOM could affect cellular drug metabolism in addition to drug uptake.