2. Apoptosis Immunology/Inflammation Metabolic Enzyme/Protease
  3. MDM-2/p53 Aryl Hydrocarbon Receptor Cytochrome P450
  4. Versicolorin A

Versicolorin A is a biosynthetic precursor of Aflatoxin B1 (HY-N6615). Versicolorin A induces phosphorylation of p53. Versicolorin A activates the aryl hydrocarbon receptor AhR and significantly induces the expression of CYP1A1. Versicolorin A exerts genotoxic and cytotoxic effects. Versicolorin A enhances the genotoxicity of aflatoxin B1 in cells by promoting CYP450-mediated bioactivation of aflatoxin B1. Versicolorin A can be used in research related to colorectal cancer and hepatocellular carcinoma.

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Versicolorin A

Versicolorin A Chemical Structure

CAS No. : 6807-96-1

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Versicolorin A Related Antibodies

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CYP1 CYP2 CYP3 CYP4 CYP11 CYP17 Aromatase/CYP19A1 CYP26 CYP51 CYP1A2 CYP2D6 CYP2C9 CYP2C19 CYP3A CYP3A4 CYP17A1

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Description

Versicolorin A is a biosynthetic precursor of Aflatoxin B1 (HY-N6615). Versicolorin A induces phosphorylation of p53. Versicolorin A activates the aryl hydrocarbon receptor AhR and significantly induces the expression of CYP1A1. Versicolorin A exerts genotoxic and cytotoxic effects. Versicolorin A enhances the genotoxicity of aflatoxin B1 in cells by promoting CYP450-mediated bioactivation of aflatoxin B1. Versicolorin A can be used in research related to colorectal cancer and hepatocellular carcinoma[1][2].

IC50 & Target[1]

CYP1A1

 

In Vitro

Versicolorin A (0.1-30 μM; 24-48 h) exhibits cytotoxic activity similar to that of aflatoxin B1 in wild-type HepG2 cells. It induces significant concentration-dependent cytotoxicity after 48 h of incubation (with the strongest effect observed at 10 μM), whereas the cytotoxicity does not exceed the threshold of 20% after 24 h of incubation[2].
Versicolorin A (0.1-10 μM; 24 h) exhibits genotoxicity in wild-type HepG2 cells, induces concentration-dependent phosphorylation of H2AX, and has a lowest observed effect concentration (LOEC) of 10 μM after 24 h of incubation[2].
Versicolorin A (0.01-10 μM; 24 h) induces concentration-dependent p53 transcriptional activity in HepG2-p53 CALUX cells, with a lowest observed effect concentration (LOEC) of 1 μM after 24 h of incubation, and the peak induction level is comparable to that of aflatoxin B1[2].
Versicolorin A (1 μM; 24 h) increases the level of phosphorylated p53 (Ser15) in wild-type HepG2 cells, and this effect is observable after 24 hours of incubation, though it is not statistically significant[2].
Versicolorin A (0.001-10 μM; 4 h) activates the aryl hydrocarbon receptor in DRhuman CALUX cells, with an EC50 of 0.9 μM and an LOEC of 0.2 μM after 4 h of incubation. The maximum transcriptional activation level induced by it reaches 52% of that induced by 2,3,7,8-TCDD[2].
Incubation of wild-type HepG2 cells with Versicolorin A (1 μM; 24 h) for 24 h significantly induces a 2.4-fold increase in CYP1A1 mRNA transcription levels, but exerts no significant effect on the expression of CYP1A2 or CYP3A4[2].
Versicolorin A (1 μM) enhances the genotoxicity of aflatoxin B1 in wild-type HepG2 cells. The level of H2AX phosphorylation induced by the combined exposure for 24 h is significantly higher than that in the single-treatment groups, and this effect is particularly pronounced when the concentration of aflatoxin B1 is low (0.1 μM to 3 μM)[2].

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

Versicolorin A Related Antibodies

Cell Cytotoxicity Assay[2]

Cell Line: wild-type HepG2 human liver hepatocellular carcinoma cells
Concentration: 0.1-30 μM
Incubation Time: 24 h; 48 h
Result: Caused no decrease in cell viability greater than the 20% threshold after 24 h of incubation.
Caused a dose-dependent decrease in cell viability after 48 h of incubation, with concentrations above 1 μM reducing viability and maximal cytotoxicity observed at 10 μM (viability reduced to ~35% compared to DMSO control).
Induced an unspecific increase in cell viability at 30 μM after 48 h.

Western Blot Analysis[2]

Cell Line: wild-type HepG2 human liver hepatocellular carcinoma cells
Concentration: 1 μM
Incubation Time: 24 h
Result: Increased the relative abundance of phosphorylated p53 (Ser15) compared to DMSO control, though this increase was not statistically significant (p=0.1762).
Showed lower induction than that caused by 1 μM aflatoxin B1.

Real Time qPCR[2]

Cell Line: wild-type HepG2 human liver hepatocellular carcinoma cells
Concentration: 1 μM
Incubation Time: 24 h
Result: Significantly induced CYP1A1 mRNA expression by 2.4-fold relative to DMSO control.
Caused no significant induction of CYP1A2 or CYP3A4 mRNA.
Molecular Weight

338.27

Formula

C18H10O7
CAS No.
SMILES

O=C(C1=C2C=C(O)C=C1O)C3=C(C=C4O[C@](OC=C5)([H])[C@]5([H])C4=C3O)C2=O
Structure Classification
Initial Source

Aspergillus parasiticus
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
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Versicolorin A Related Classifications

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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Versicolorin A6807-96-1MDM-2/p53Aryl Hydrocarbon ReceptorCytochrome P450AhRCYPshepatocellular carcinomacolorectal cancerDNA strand breakshuman liver cellsaflatoxin B1HepG2 cellsaryl hydrocarbon receptorcolon cellsp53CYP1A1Inhibitorinhibitorinhibit

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