1. NF-κB
    GPCR/G Protein
    Neuronal Signaling
  2. NF-κB
    Opioid Receptor
  3. Sinomenine


Cat. No.: HY-15122
Handling Instructions

Sinomenine, an alkaloid extracted from Sinomenium acutum, is a blocker of the NF-κB activation. Sinomenine also is an activator of μ-opioid receptor.

For research use only. We do not sell to patients.

Sinomenine Chemical Structure

Sinomenine Chemical Structure

CAS No. : 115-53-7

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Top Publications Citing Use of Products

Publications Citing Use of MCE Sinomenine

    Sinomenine purchased from MCE. Usage Cited in: Free Radic Biol Med. 2018 Jun 2;124:205-213.

    Total and phosphorylation levels of p65 in MCF7 and MDAMB231 after Sinomenine hydrochloride (SH) treatment at 24 h.

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    • Biological Activity

    • Protocol

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    Sinomenine, an alkaloid extracted from Sinomenium acutum, is a blocker of the NF-κB activation[1]. Sinomenine also is an activator of μ-opioid receptor[2].

    IC50 & Target

    NF-κB[1], μ-opioid receptor[2]

    In Vitro

    Cell viability gradually decreased with increasing Sinomenine concentration. The migration ability of MDA-MB-231 cells is significantly weakened by 0.25, 0.5, and 1 mM of Sinomenine treatment. The wound-healing assay reveals that 0.25 and 0.5 mM Sinomenine significantly suppress the healing of the wound. When the MDA-MB-231 cells are treated with 0.5 mM Sinomenine, the healing progress is about 50%, but in the group treated with 0.25 mM Sinomenine and the untreated control, the healing is about 80% and nearly 95%, respectively. The IB assay following inhibitor of NF-κB (IκB) antibody IP shows that the binding of NF-κB to IκB is inhibited by Sinomenine treatment in a dose-dependent manne[1].

    In Vivo

    Sinomenine (i.p.) produces antinociception in the hot plate and tail flick tests in male rats at 40 mg/kg, but not at lower doses (10 or 20 mg/kg). At 10 to 40 mg/kg Sinomenine does not produce any observable side effect such as sedation, allergy or motor impairments. At 80 mg/kg, Sinomenine is mildly sedative in rats. Antinociception is also seen mice at 60 min following 80 mg/kg i.p. Sinomenine, but not at lower doses (20 or 40 mg/kg), in the tail flick test. Sinomenine at 80 mg/kg i.p. does not produce any observable side effects in mice. I.p or p.o. Sinomenine at 40 or 80 mg/kg dose-dependently reduces mechanical hypersensitivity in nerve injured mice. I.p. Sinomenine at 40 mg/kg, but not lower doses or vehicle, significantly decreases mechanical and cold allodynia for up to 240 min without producing motor deficits or sedation[3]. At doses of 10 to 40 mg/kg, Sinomenine dose-dependently increases the paw withdrawal threshold. In non-chronic constriction injury (CCI) healthy rats, Sinomenine at the dose range of 10 to 40 mg/kg does not change the immobility behavior in the forced swimming test[4].

    Molecular Weight




    CAS No.



    OC(C1=C2C[[email protected]@]3([H])[[email protected]](C=C4OC)([H])[[email protected]@]1(CCN3C)CC4=O)=C(C=C2)OC


    Room temperature in continental US; may vary elsewhere.


    Please store the product under the recommended conditions in the Certificate of Analysis.

    Solvent & Solubility
    In Vitro: 

    DMSO : 100 mg/mL (303.59 mM; Need ultrasonic and warming)

    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 3.0359 mL 15.1796 mL 30.3591 mL
    5 mM 0.6072 mL 3.0359 mL 6.0718 mL
    10 mM 0.3036 mL 1.5180 mL 3.0359 mL
    *Please refer to the solubility information to select the appropriate solvent.
    Cell Assay

    The MDA-MB-231 human triple negative and 4T1 mouse breast cancer cell lines are used in this study. For the experiments, the cells are grown in 24-well plates at 3.5×104/well. Following incubation for 24 or 48 h in medium containing different concentrations of Sinomenine, proliferation of the cells are detected with Cell Counting Kit-8 solution according to the manufacturer's instructions[1].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    Animal Administration

    Male Sprague-Dawley rats weighing of 250 to 300 g are used in this experiment. For the duration of action of acute Sinomenine study, different doses of Sinomenine (10 to 40 mg/kg) are administered 1 day after surgery and then paw withdrawal threshold is measured every 30 min for 4 hours. For the study involving daily Sinomenine treatment, mechanical hyperalgesia measure is performed 3 h after daily drug treatment. For antagonist studies, antagonists were given 10 min prior to 40 mg/kg Sinomenine administration[3].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

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    SinomenineNF-κBOpioid ReceptorAutophagyApoptosisNuclear factor-κBNuclear factor-kappaBInhibitorinhibitorinhibit

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