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Stylopine
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Product Name Stylopine
Price:
CAS No.: 84-39-9
Catalog No.: CFN92812
Molecular Formula: C19H17NO4
Molecular Weight: 323.1 g/mol
Purity: >=98%
Type of Compound: Alkaloids
Physical Desc.: Powder
Source: The herbs of Chelidonium majus
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Stylopine can serve as a model compound for the design and future development of structurally related AKR1C3 inhibitors. It suppresses the NO and PGE2 production in macrophages by inhibiting the iNOS and COX-2 expressions, may contribute to the anti-inflammatory activity of Chelidonium majus.
Targets: NO | PGE | TNF-α | IL Receptor | COX | NOS
In vitro:
FEBS J. 2007 Feb;274(4):1019-35.
Molecular cloning and characterization of methylenedioxy bridge-forming enzymes involved in stylopine biosynthesis in Eschscholzia californica.[Pubmed: 17250743]
(S)-Stylopine is an important intermediate in the biosynthesis of benzophenanthridine alkaloids, such as sanguinarine. Stylopine biosynthesis involves the sequential formation of two methylenedioxy bridges.
METHODS AND RESULTS:
Two cytochrome P450 cDNAs involved in Stylopine biosynthesis were isolated using degenerate primers designed for C. japonica CYP719 from cultured Eschscholzia californica cells. Heterologous expression in Saccharomyces cerevisiae showed that both CYP719A2 and CYP719A3 had Stylopine synthase activity to catalyze methylenedioxy bridge-formation from cheilanthifoline to Stylopine, but not cheilanthifoline synthase activity to convert scoulerine to cheilanthifoline. Functional differences and expression patterns of CYP719A2 and CYP719A3 were examined to investigate their physiological roles in Stylopine biosynthesis. Enzymatic analysis showed that CYP719A2 had high substrate affinity only toward (R,S)-cheilanthifoline, whereas CYP719A3 had high affinity toward three similar substrates (R,S)-cheilanthifoline, (S)-scoulerine, and (S)-tetrahydrocolumbamine.
CONCLUSIONS:
An expression analysis in E. californica plant tissues showed that CYP719A2 and CYP719A3 exhibited expression patterns similar to those of three Stylopine biosynthetic genes (CYP80B1, berberine bridge enzyme, and S-adenosyl-l-methionine : 3'-hydroxy-N-methylcoclaurine 4'-O-methyltransferase), whereas the specific expression of CYP719A3 in root was notable. Treatment of E. californica seedlings with methyl jasmonate resulted in the coordinated induction of CYP719A2 and CYP719A3 genes. The physiological roles of CYP719A2 and CYP719A3 in Stylopine biosynthesis are discussed.
Arch Pharm Res. 2004 Sep;27(9):923-9.
Stylopine from Chelidonium majus inhibits LPS-induced inflammatory mediators in RAW 264.7 cells.[Pubmed: 15473662]
Stylopine is a major component of the leaf of Chelidonium majus L. (Papaveraceae), which has been used for the removal of warts, papillomas and condylomas, as well as the treatment of liver disease, in oriental countries.
METHODS AND RESULTS:
Stylopine per se had no cytotoxic effect in unstimulated RAW 264.7 cells, but concentration-dependently reduced nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-alpha (TNF-alpha) and interleukin-1beta (IL-1beta), and the IL-6 production and cyclooxygenase-2 (COX-2) activity caused by the LPS stimulation. The levels of inducible nitric oxide synthase (iNOS) and COX-2 protein expressions were markedly suppressed by Stylopine in a concentration dependent manner.
CONCLUSIONS:
These results suggest that Stylopine suppress the NO and PGE2 production in macrophages by inhibiting the iNOS and COX-2 expressions. These biological activities of Stylopine may contribute to the anti-inflammatory activity of Chelidonium majus.
Stylopine Description
Source: The herbs of Chelidonium majus
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.

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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 3.095 mL 15.4751 mL 30.9502 mL 61.9003 mL 77.3754 mL
5 mM 0.619 mL 3.095 mL 6.19 mL 12.3801 mL 15.4751 mL
10 mM 0.3095 mL 1.5475 mL 3.095 mL 6.19 mL 7.7375 mL
50 mM 0.0619 mL 0.3095 mL 0.619 mL 1.238 mL 1.5475 mL
100 mM 0.031 mL 0.1548 mL 0.3095 mL 0.619 mL 0.7738 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 Steroid Biochem Mol Biol. 2014 Sep;143:250-8.
Isoquinoline alkaloids as a novel type of AKR1C3 inhibitors.[Pubmed: 24769118]
AKR1C3 is an important human enzyme that participates in the reduction of steroids and prostaglandins, which leads to proliferative signalling. In addition, this enzyme also participates in the biotransformation of xenobiotics, such as drugs and procarcinogens. AKR1C3 is involved in the development of both hormone-dependent and hormone-independent cancers and was recently demonstrated to confer cell resistance to anthracyclines. Because AKR1C3 is frequently upregulated in various cancers, this enzyme has been suggested as a therapeutic target for the treatment of these pathological conditions.
METHODS AND RESULTS:
In this study, nineteen isoquinoline alkaloids were examined for their ability to inhibit a recombinant AKR1C3 enzyme. As a result, Stylopine was demonstrated to be the most potent inhibitor among the tested compounds and exhibited moderate selectivity towards AKR1C3. In the follow-up cellular studies, Stylopine significantly inhibited the AKR1C3-mediated reduction of daunorubicin in intact cells without considerable cytotoxic effects.
CONCLUSIONS:
This inhibitor could therefore be used as a model AKR1C3 inhibitor in research or evaluated as a possible therapeutic anticancer drug. Furthermore, based on our results, Stylopine can serve as a model compound for the design and future development of structurally related AKR1C3 inhibitors.
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