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Sinomenine HCl

Stimulates short-term renewal of human ESCs in vitro CAS# 6080-33-7

Sinomenine HCl

Catalog No. BCN6318----Order now to get a substantial discount!

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Quality Control of Sinomenine HCl

Number of papers citing our products

Chemical structure

Sinomenine HCl

3D structure

Chemical Properties of Sinomenine HCl

Cas No. 6080-33-7 SDF Download SDF
PubChem ID 5464452 Appearance White powder
Formula C19H24ClNO4 M.Wt 365.85
Type of Compound Alkaloids Storage Desiccate at -20°C
Synonyms Cucoline hydrochloride; Kukoline hydrochloride
Solubility Soluble to 100 mM in water
SMILES CN1CCC23CC(=O)C(=CC2C1CC4=C3C(=C(C=C4)OC)O)OC.Cl
Standard InChIKey YMEVIMJAUHZFMW-VUIDNZEBSA-N
Standard InChI InChI=1S/C19H23NO4.ClH/c1-20-7-6-19-10-14(21)16(24-3)9-12(19)13(20)8-11-4-5-15(23-2)18(22)17(11)19;/h4-5,9,12-13,22H,6-8,10H2,1-3H3;1H/t12-,13+,19-;/m1./s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Sinomenine HCl

1 Stephania sp.

Biological Activity of Sinomenine HCl

DescriptionSinomenine HCl is a blocker of the NF-κB activation and also an activator of μ-opioid receptor, which has antiarrhythmic, anti-inflammatory, anti-tumor, and neuroprotective effects. Sinomenine HCl can improve survival, reduce organ damage, and attenuate the release of inflammatory cytokines induced by CLP, at least in part through regulating autophagy activities, it induces breast cancer cell death through ROS-dependent and -independent pathways with an upregulation of MAPKs.
TargetsERK | JNK | p38MAPK | ROS | Chk | ATM/ATR | COX | VEGFR
In vitro

MAPK signaling mediates sinomenine hydrochloride-induced human breast cancer cell death via both reactive oxygen species-dependent and -independent pathways: an in vitro and in vivo study.[Pubmed: 25077542]

Cell Death Dis. 2014 Jul 31;5:e1356.

Sinomenine, the main alkaloid extracted from the medicinal plant Sinomenium acutum, is known for its anti-inflammatory effects. Recent studies have suggested its anti-cancer effect in synovial sarcoma, lung cancer and hepatic cancer. However, the underlying molecular mechanism for its anti-cancer effect still remains unclear.
METHODS AND RESULTS:
This study investigated the anti-tumor activity of sinomenine hydrochloride (Sinomenine HCl, SH), a hydrochloride form of sinomenine, in human breast cancer cells in vitro and in vivo. We found that SH potently inhibited cell viability of a broad panel of breast cancer cell lines. Two representative breast cancer cell lines, namely ER(-)/PR(-) MDA-MB-231 and ER(+)/PR(+) MCF-7, were used for further investigation. The results showed that SH induced G1/S cell cycle arrest, caused apoptosis and induced ATM/Chk2- and ATR/Chk1-mediated DNA-damage response in MDA-MB-231 and MCF-7. The anti-cancer effect of SH was regulated by increased expression levels of p-ERK, p-JNK and p-38 MAPK. Further studies showed that SH resulted in an increase in reactive oxygen species (ROS) and inhibition of ROS by N-acetyl-L-cysteine (NAC) almost blocked SH-induced DNA damage but only mitigated SH-induced MAPK expression changes, suggesting that both ROS-dependent and -independent pathways were involved in MAPK-mediated SH-induced breast cancer cell death. The in vivo study demonstrated that SH effectively inhibited tumor growth without showing significant toxicity.
CONCLUSIONS:
In conclusion, SH induced breast cancer cell death through ROS-dependent and -independent pathways with an upregulation of MAPKs, indicating that SH may be a potential anti-tumor drug for breast cancer treatment.

In vivo

Anti-arrhythmic effects of sinomenine hydrochloride[Reference: WebLink]

Acta Pharmaceutica Sinica, 1985, 20(11):856-8.


METHODS AND RESULTS:
Pretreatment of rats with sinomenine(Sinomenine HCl) 10~20 mg/kg iv significantly delayed the appearence and reduced the percentage of arrhythmia induced by aconitine 20 μg/kg iv. This alkaloid given 20 mg/kg iv increased the amount of ouabain required to produce ventricular premature beats and cardiac arrest in guinea pigs. while 20 mg/kg ip significantly reduced the incidence of ventricular fibrillation induced by chloroform inhalation in mice.
CONCLUSIONS:
In aneasthetized rats, sinomenine 20 mg/kg iv reduced the incidence of ventricular fibrillation and the mortality rate induced by iv CaCl_2 130 mg/kg. It might also abolish the arrhythmia induced by chloroform-adrenaline in rabbits.

Protocol of Sinomenine HCl

Cell Research

Sinomenine hydrochloride enhancement of the inhibitory effects of anti-transferrin receptor antibody-dependent on the COX-2 pathway in human hepatoma cells.[Pubmed: 22941037]

Cancer Immunol Immunother. 2013 Mar;62(3):447-54.

Transferrin receptor (TfR) has been used as a target for the antibody-based therapy of cancer due to its higher expression in tumors relative to normal tissues. Great potential has been shown by anti-TfR antibodies combined with chemotherapeutic drugs as a possible cancer therapeutic strategy.
METHODS AND RESULTS:
In our study, we investigated the anti-tumor effects of anti-TfR monoclonal antibody (mAb) alone or in combination with sinomenine hydrochloride in vitro. Results suggested that anti-TfR mAb or sinomenine hydrochloride could induce apoptosis, inhibit proliferation, and affect the cell cycle. A synergistic effect was found in relation to tumor growth inhibition and the induction of apoptosis when anti-TfR mAb and sinomenine hydrochloride were used simultaneously. The expression of COX-2 and VEGF protein in HepG2 cells treated with anti-TfR mAb alone was increased in line with increasing dosage of the agent. In contrast, COX-2 expression was dramatically decreased in HepG2 cells treated with sinomenine hydrochloride alone. Furthermore, we demonstrated that the inhibitory effects of sinomenine hydrochloride and anti-TfR mAb administered in combination were more prominent than when the agents were administered singly. To sum up, these results showed that the combined use of sinomenine hydrochloride and anti-TfR mAb may exert synergistic inhibitory effects on human hepatoma HepG2 cells in a COX-2-dependent manner.
CONCLUSIONS:
This finding provides new insight into how tumor cells overcome the interference of iron intake to survive and forms the basis of a new therapeutic strategy involving the development of anti-TfR mAb combined with sinomenine hydrochloride for liver cancer.

Animal Research

Sinomenine hydrochloride protects against polymicrobial sepsis via autophagy.[Pubmed: 25625512]

Int J Mol Sci. 2015 Jan 23;16(2):2559-73.

Sepsis, a systemic inflammatory response to infection, is the major cause of death in intensive care units (ICUs). The mortality rate of sepsis remains high even though the treatment and understanding of sepsis both continue to improve. Sinomenine (SIN) is a natural alkaloid extracted from Chinese medicinal plant Sinomenium acutum, and its hydrochloride salt (Sinomenine hydrochloride, SIN-HCl) is widely used to treat rheumatoid arthritis (RA). However, its role in sepsis remains unclear.
METHODS AND RESULTS:
In the present study, we investigated the role of SIN-HCl in sepsis induced by cecal ligation and puncture (CLP) in BALB/c mice and the corresponding mechanism. SIN-HCl treatment improved the survival of BALB/c mice that were subjected to CLP and reduced multiple organ dysfunction and the release of systemic inflammatory mediators. Autophagy activities were examined using Western blotting. The results showed that CLP-induced autophagy was elevated, and SIN-HCl treatment further strengthened the autophagy activity. Autophagy blocker 3-methyladenine (3-MA) was used to investigate the mechanism of SIN-HCl in vitro. Autophagy activities were determined by examining the autophagosome formation, which was shown as microtubule-associated protein light chain 3 (LC3) puncta with green immunofluorescence. SIN-HCl reduced lipopolysaccharide (LPS)-induced inflammatory cytokine release and increased autophagy in peritoneal macrophages (PM). 3-MA significantly decreased autophagosome formation induced by LPS and SIN-HCl. The decrease of inflammatory cytokines caused by SIN-HCl was partially aggravated by 3-MA treatment.
CONCLUSIONS:
Taken together, our results indicated that SIN-HCl could improve survival, reduce organ damage, and attenuate the release of inflammatory cytokines induced by CLP, at least in part through regulating autophagy activities.

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Preparing Stock Solutions of Sinomenine HCl

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.7334 mL 13.6668 mL 27.3336 mL 54.6672 mL 68.334 mL
5 mM 0.5467 mL 2.7334 mL 5.4667 mL 10.9334 mL 13.6668 mL
10 mM 0.2733 mL 1.3667 mL 2.7334 mL 5.4667 mL 6.8334 mL
50 mM 0.0547 mL 0.2733 mL 0.5467 mL 1.0933 mL 1.3667 mL
100 mM 0.0273 mL 0.1367 mL 0.2733 mL 0.5467 mL 0.6833 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Sinomenine HCl

Sinomenine hydrochloride protects against polymicrobial sepsis via autophagy.[Pubmed:25625512]

Int J Mol Sci. 2015 Jan 23;16(2):2559-73.

Sepsis, a systemic inflammatory response to infection, is the major cause of death in intensive care units (ICUs). The mortality rate of sepsis remains high even though the treatment and understanding of sepsis both continue to improve. Sinomenine (SIN) is a natural alkaloid extracted from Chinese medicinal plant Sinomenium acutum, and its hydrochloride salt (Sinomenine hydrochloride, SIN-HCl) is widely used to treat rheumatoid arthritis (RA). However, its role in sepsis remains unclear. In the present study, we investigated the role of SIN-HCl in sepsis induced by cecal ligation and puncture (CLP) in BALB/c mice and the corresponding mechanism. SIN-HCl treatment improved the survival of BALB/c mice that were subjected to CLP and reduced multiple organ dysfunction and the release of systemic inflammatory mediators. Autophagy activities were examined using Western blotting. The results showed that CLP-induced autophagy was elevated, and SIN-HCl treatment further strengthened the autophagy activity. Autophagy blocker 3-methyladenine (3-MA) was used to investigate the mechanism of SIN-HCl in vitro. Autophagy activities were determined by examining the autophagosome formation, which was shown as microtubule-associated protein light chain 3 (LC3) puncta with green immunofluorescence. SIN-HCl reduced lipopolysaccharide (LPS)-induced inflammatory cytokine release and increased autophagy in peritoneal macrophages (PM). 3-MA significantly decreased autophagosome formation induced by LPS and SIN-HCl. The decrease of inflammatory cytokines caused by SIN-HCl was partially aggravated by 3-MA treatment. Taken together, our results indicated that SIN-HCl could improve survival, reduce organ damage, and attenuate the release of inflammatory cytokines induced by CLP, at least in part through regulating autophagy activities.

Sinomenine hydrochloride enhancement of the inhibitory effects of anti-transferrin receptor antibody-dependent on the COX-2 pathway in human hepatoma cells.[Pubmed:22941037]

Cancer Immunol Immunother. 2013 Mar;62(3):447-54.

Transferrin receptor (TfR) has been used as a target for the antibody-based therapy of cancer due to its higher expression in tumors relative to normal tissues. Great potential has been shown by anti-TfR antibodies combined with chemotherapeutic drugs as a possible cancer therapeutic strategy. In our study, we investigated the anti-tumor effects of anti-TfR monoclonal antibody (mAb) alone or in combination with sinomenine hydrochloride in vitro. Results suggested that anti-TfR mAb or sinomenine hydrochloride could induce apoptosis, inhibit proliferation, and affect the cell cycle. A synergistic effect was found in relation to tumor growth inhibition and the induction of apoptosis when anti-TfR mAb and sinomenine hydrochloride were used simultaneously. The expression of COX-2 and VEGF protein in HepG2 cells treated with anti-TfR mAb alone was increased in line with increasing dosage of the agent. In contrast, COX-2 expression was dramatically decreased in HepG2 cells treated with sinomenine hydrochloride alone. Furthermore, we demonstrated that the inhibitory effects of sinomenine hydrochloride and anti-TfR mAb administered in combination were more prominent than when the agents were administered singly. To sum up, these results showed that the combined use of sinomenine hydrochloride and anti-TfR mAb may exert synergistic inhibitory effects on human hepatoma HepG2 cells in a COX-2-dependent manner. This finding provides new insight into how tumor cells overcome the interference of iron intake to survive and forms the basis of a new therapeutic strategy involving the development of anti-TfR mAb combined with sinomenine hydrochloride for liver cancer.

MAPK signaling mediates sinomenine hydrochloride-induced human breast cancer cell death via both reactive oxygen species-dependent and -independent pathways: an in vitro and in vivo study.[Pubmed:25077542]

Cell Death Dis. 2014 Jul 31;5:e1356.

Sinomenine, the main alkaloid extracted from the medicinal plant Sinomenium acutum, is known for its anti-inflammatory effects. Recent studies have suggested its anti-cancer effect in synovial sarcoma, lung cancer and hepatic cancer. However, the underlying molecular mechanism for its anti-cancer effect still remains unclear. This study investigated the anti-tumor activity of sinomenine hydrochloride (SH), a hydrochloride form of sinomenine, in human breast cancer cells in vitro and in vivo. We found that SH potently inhibited cell viability of a broad panel of breast cancer cell lines. Two representative breast cancer cell lines, namely ER(-)/PR(-) MDA-MB-231 and ER(+)/PR(+) MCF-7, were used for further investigation. The results showed that SH induced G1/S cell cycle arrest, caused apoptosis and induced ATM/Chk2- and ATR/Chk1-mediated DNA-damage response in MDA-MB-231 and MCF-7. The anti-cancer effect of SH was regulated by increased expression levels of p-ERK, p-JNK and p-38 MAPK. Further studies showed that SH resulted in an increase in reactive oxygen species (ROS) and inhibition of ROS by N-acetyl-L-cysteine (NAC) almost blocked SH-induced DNA damage but only mitigated SH-induced MAPK expression changes, suggesting that both ROS-dependent and -independent pathways were involved in MAPK-mediated SH-induced breast cancer cell death. The in vivo study demonstrated that SH effectively inhibited tumor growth without showing significant toxicity. In conclusion, SH induced breast cancer cell death through ROS-dependent and -independent pathways with an upregulation of MAPKs, indicating that SH may be a potential anti-tumor drug for breast cancer treatment.

High-throughput screening assay for the identification of compounds regulating self-renewal and differentiation in human embryonic stem cells.[Pubmed:18522853]

Cell Stem Cell. 2008 Jun 5;2(6):602-12.

High-throughput screening (HTS) of chemical libraries has become a critical tool in basic biology and drug discovery. However, its implementation and the adaptation of high-content assays to human embryonic stem cells (hESCs) have been hampered by multiple technical challenges. Here we present a strategy to adapt hESCs to HTS conditions, resulting in an assay suitable for the discovery of small molecules that drive hESC self-renewal or differentiation. Use of this new assay has led to the identification of several marketed drugs and natural compounds promoting short-term hESC maintenance and compounds directing early lineage choice during differentiation. Global gene expression analysis upon drug treatment defines known and novel pathways correlated to hESC self-renewal and differentiation. Our results demonstrate feasibility of hESC-based HTS and enhance the repertoire of chemical compounds for manipulating hESC fate. The availability of high-content assays should accelerate progress in basic and translational hESC biology.

Activation of opioid mu-receptor by sinomenine in cell and mice.[Pubmed:18692550]

Neurosci Lett. 2008 Oct 10;443(3):209-12.

Sinomenine, one of the alkaloids extracted from roots or stems of Sinomenium acutum, is documented to show antinociceptive action but the action mechanism is still unclear. The present study was aimed to investigate the effect of sinomenine on opioid mu-receptor (OMR). In Chinese Hamster Ovary (CHO) cell transfected with OMR, the binding of [(3)H]naloxone was displaced by sinomenine in a concentration-dependent manner. This compound also raised the phosphorylation of OMR in these cells. In a tail-flick test, sinomenine produced dose-dependent antinociception in mice, which was dose-dependently inhibited by pretreatment of naloxonazine, a selective OMR antagonist. Long-term pretreatment with sinomenine may delay the analgesic tolerance of morphine. The obtained results suggest that sinomenine has an ability to activate OMR, implicating the potential of sinomenine to be applied in clinic.

Pharmacology of sinomenine, an anti-rheumatic alkaloid from Sinomenium acutum.[Pubmed:61710]

Acta Med Okayama. 1976 Feb;30(1):1-20.

The root and stem decoctions of Sinomenium acutum Rehd. et Wils. (formerly Sinomenium diversifolius Diels, one type of Fang-chi (Chinese)) have been used as a folk remedy for neuralgia and rheumatoid arthritis in many areas of the Far East. In Japan and China various viny plants have been identified as Fang-chi (Boi in Japanese) since antiquity. This uncertain nomenclature has made it difficult to evaluate the efficacy of the Fang-chi described in the classic literature. Among traditional Fang-chi plants only Sinomeniumacutum has been demonstrated to contain the alkaloid sinomenine, which is now known to be effective in neuralgia and rheumatic diseases. Sinomenine is a unique plant alkaloid, as it potently releases histamine in association with degranulation of tissue mast cells in mammalian tissues. This action occurs preferentially in the skin and joint capsules. The released histamine is responsible for the dominant pharmacological actions of sinomenine, such as vasodilatation, increased vascular permeability, acceleration of the thoracic and peripheral lymph flow, contraction of plain muscles, increased peristalsis of the intestines, and stimulation of gastric acid secretion. At toxic doses of sinomenine, convulsive central excitation was observed in most laboratory animals. Clinical side effects encountered with high doses of injected sinomenine or of decocted Sinomenium acutum were: injection site flare, pruritus in the head and upper part of the body, edema around the lips and eyelids, and temporary cephalalgia. Most of these side effects were reduced by classical antihistamines (H1-receptor antagonists). Daily subcutaneous injections of sinomenine for more than one week produced an analgesic effect in mice. Granulation tissue growth and adjuvant arthritis induced in rats were both inhibited by daily injections of a small dose of sinomenine hydrochloride or histamine dihydrochloride. These inhibitory effects were mediated through histamine H2-receptors probably on fibroblasts (for granulation tissue growth) and on T-cells (for adjuvant arthritis), since these effects were clearly inhibited by the H2-antagonist burimamide but not by the H1-antagonist mepyramine. The anti-rheumatic effect on Sinomenium acutum are probably genuine and can probably be attributed to the histamine-releasing properties of sinomenine.

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