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Columbin
Columbin
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Product Name Columbin
Price: $100 / 20mg
CAS No.: 546-97-4
Catalog No.: CFN90480
Molecular Formula: C20H22O6
Molecular Weight: 358.39 g/mol
Purity: >=98%
Type of Compound: Diterpenoids
Physical Desc.: Powder
Source: The roots of Stephania tetrandra S.Moore
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF
Similar structural: Comparison (Web)  (SDF)
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According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / $25.1 / In-stock
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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: Columbin has anti-inflammation activity, it has chemopreventive ability against human colon cancer, it also can inhibit growth of culture forms of Trypanosoma brucei. Columbin inhibits PLA2 hydrolysis of ghost RBC in a dose-dependent fashion.
Targets: COX | NF-kB | IFN-γ | NO | Phospholipase (e.g. PLA)
In vitro:
Eur J Pharmacol. 2012 Mar 5;678(1-3):61-70.
In vitro and in vivo anti-inflammatory activities of columbin through the inhibition of cycloxygenase-2 and nitric oxide but not the suppression of NF-κB translocation.[Pubmed: 22227329]
Columbin, a diterpenoid furanolactone, was isolated purely for the first time from the plant species Tinspora bakis. The anti-inflammatory effects of Columbin were studied in vitro, in silico and in vivo.
METHODS AND RESULTS:
The effect of Columbin on nitric oxide was examined on lipopolysaccharide-interferon-gamma (LPS/IFN) induced RAW264.7 macrophages. In vitro and in silico cyclooxygenase-1 and cyclooxygenase-2 inhibitory activities of Columbin using biochemical kit and molecular docking, respectively, were investigated. Mechanism of Columbin in suppressing NF-kappaB-translocation was tested using Cellomics®NF-κB activation assay and ArrayScan Reader in LPS-stimulated RAW264.7 cells. Moreover, effects of Columbin in vivo that were done on carrageenan-induced mice paw-oedema were tested. Lastly, the in vitro and in vivo toxicities of Columbin were examined on human liver cells and mice, respectively. Treatment with Columbin or N(ω)-nitro-l-arginine methyl ester (l-NAME) inhibited LPS/IFN-γ-induced NO production without affecting the viability of RAW264.7. Pre-treatment of stimulated cells with Columbin did not inhibit the translocation of NF-κB to the nucleus in LPS-stimulated cells. COX-1 and COX-2 inhibitory activities of Columbin were 63.7±6.4% and 18.8±1.5% inhibition at 100μM, respectively. Molecular docking study further helped in supporting the observed COX-2 selectivity. Whereby, the interaction of Columbin with Tyr385 and Arg120 signifies its higher activity in COX-2, as Tyr385 was reported to be involved in the abstraction of hydrogen from C-13 of arachidonate, and Arg120 is critical for high affinity arachidonate binding. Additionally, Columbin inhibited oedema formation in mice paw. Lastly, the compound was observed to be safe in vitro and in vivo.
CONCLUSIONS:
This study presents Columbin as a potential anti-inflammatory drug.
J Enzyme Inhib Med Chem. 2005 Aug;20(4):365-8.
Columbin inhibits cholesterol uptake in bloodstream forms of Trypanosoma brucei-A possible trypanocidal mechanism.[Pubmed: 16206831]
The diterpenoid furanolactone (columbin) from Aristolochia albida inhibited growth of culture forms of Trypanosoma brucei.
METHODS AND RESULTS:
In vitro analysis of the compound at 5-250 microg/ml showed complete lysis of the parasites within 10-20 minutes post incubation. At 50 microg/ml, Columbin killed about 50% of the parasites which initially appeared swollen under phase contrast microscopy. Also the total amount of cholesterol diminished dose-dependently in the presence of 10-100 microg/ml of Columbin after a 3-day incubation period.
CONCLUSIONS:
In vivo analysis of the compound in T. brucei-infected mice revealed that 25 mg/kg administered for 3 consecutive days, completely cleared the parasites from the peripheral circulation. However, Columbin could not clear parasites in the cerebrospinal fluid.
Biomed Chromatogr. 2007 Jun;21(6):642-8.
Quantitative LC/MS/MS method and pharmacokinetic studies of columbin, an anti-inflammation furanoditerpen isolated from Radix Tinosporae.[Pubmed: 17345572]
Columbin is an important component isolated from Radix Tinosporae. It has been demonstrated to possess many pharmacological activities, including anti-inflammation, antitumor and inhibition of enzyme activity in vivo.
METHODS AND RESULTS:
The purpose of the present study was to examine in vivo pharmacokinetics and bioavailability of Columbin in rats using a high-performance liquid chromatography coupled with tandem mass spectrometry quantitative detection method. The Columbin was extracted from rat plasma samples by methyl tert-butyl ether, evaporated and reconstituted in 100 microL methanol prior to analysis. The separation was performed using a Luna reversed-phase analytical column (5 microm, 100 x 2.0 mm) and an SB-C18 guard column (5 microm, 20 x 4.0 mm). The mobile phase was a mixture of methanol and water containing 25 mmoL/L NH(4)Ac (80:20, v/v). The method was validated within the concentration range of 5-5000 ng/mL, and the calibration curves were linear with correlation coefficients (r) >0.999. It was further applied to assess pharmacokinetics and oral bioavailability of Columbin after i.v. and oral administration to rats.
CONCLUSIONS:
The oral bioavailability of Columbin was only 3.18%, which indicated that Columbin had poor absorption or underwent extensive first-pass metabolism.
Columbin Description
Source: The roots of Stephania tetrandra S.Moore
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.
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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.7903 mL 13.9513 mL 27.9026 mL 55.8051 mL 69.7564 mL
5 mM 0.5581 mL 2.7903 mL 5.5805 mL 11.161 mL 13.9513 mL
10 mM 0.279 mL 1.3951 mL 2.7903 mL 5.5805 mL 6.9756 mL
50 mM 0.0558 mL 0.279 mL 0.5581 mL 1.1161 mL 1.3951 mL
100 mM 0.0279 mL 0.1395 mL 0.279 mL 0.5581 mL 0.6976 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 Enzyme Inhib Med Chem. 2002 Feb;17(1):55-9.
Inhibition of Naja nigricolis venom acidic phospholipase A2 catalysed hydrolysis of ghost red blood cells by columbin.[Pubmed: 12365462]

METHODS AND RESULTS:
The inhibitory effects of a naturally occurring diterpenoid furanolactone, columbin, on partially purified acidic phospholipase A2 (PLA2) from Naja nigricolis was investigated. Columbin inhibited the N. nigricolis PLA2 in a dose related pattern with an IC50 value of 2.5 microM. Double reciprocal plots of initial velocity data of inhibition by Columbin revealed a non-competitive pattern. The KM remained constant at 19 microM, while the Vmax changed from 54 micromoles/min/mg to 32 micromoles/min/mg and 20 micromoles/min/mg in the presence of 2 and 10 microM of columbin, respectively. Extrapolated Ki values were 3 and 6.28 microM at 2 and 10 microM inhibitor, respectively. Columbin also inhibited PLA2 hydrolysis of ghost RBC in a dose-dependent fashion.
CONCLUSIONS:
At least 70% suppression of PLA2-catalysed haemolysis of RBC was observed in the presence of 2 microM columbin.
Animal Research:
Cancer Lett. 2002 Sep 26;183(2):131-9.
A bitter diterpenoid furanolactone columbin from Calumbae Radix inhibits azoxymethane-induced rat colon carcinogenesis.[Pubmed: 12065087]

METHODS AND RESULTS:
The modifying effect of dietary administration of a diterpenoid furanolactone Columbin isolated from the crude drug Calumbae Radix (the root of Jateorhiza columba MIERS, Menispermacea) on azoxymethane (AOM)-induced was investigated in male F344 rats. Animals were initiated with AOM (three weekly subcutaneous injections of 15 mg/kg body weight) to induce colonic neoplasms. They were fed the experimental diets mixed with Columbin (4, 20, and 100 ppm) for 4 weeks, starting 1 week before the first dosing of AOM and thereafter maintained on the basal diet without columbin. Additional experimental groups included the AOM alone group, the Columbin alone group (100 ppm in diet for 4 weeks), and the untreated control group. Dietary feeding of Columbin (4, 20, and 100 ppm) during the initiation phase of AOM-induced colon carcinogenesis reduced the incidence and multiplicity of colonic adenocarcinoma and the inhibition by feeding of 20 ppm (incidence: 20%, P=0.0242 and multiplicity: 0.20+/-0.40, P<0.02) and 100 ppm (incidence: 10%, P=0.0029 and multiplicity: 0.10+/-0.30, P<0.002) Columbin was significant when compared with the AOM alone group (incidence: 55% and multiplicity: 0.55+/-0.50). Also, Columbin administration in diet lowered the number of argyrophilic nucleolar organizer regions protein per nucleus in non-lesional colonic crypts and the blood polyamine content, which are reflected in cell proliferation activity.
CONCLUSIONS:
These results indicate chemopreventive ability of dietary Columbin against chemically induced colon tumorigenesis when fed during the initiation phase, providing a scientific basis for chemopreventive ability of Columbin against human colon cancer.
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