Home Endocrinology & Hormones Estrogen/progestogen Receptor agonist Zearalenone For research use only.

Zearalenone

Synonyms: F2 toxin, RAL

Zearalenone (F2 toxin, RAL) is a non-steroidal estrogenic mycotoxin that acts by binding the estrogen receptor (ER).

Zearalenone Chemical Structure

Zearalenone Chemical Structure

CAS No. 17924-92-4

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Zearalenone Related Products

Signaling Pathway

Estrogen/progestogen Receptor Signaling Pathways

Estrogen/progestogen Receptor Signaling Pathway

Biological Activity

Description Zearalenone (F2 toxin, RAL) is a non-steroidal estrogenic mycotoxin that acts by binding the estrogen receptor (ER).
Targets
ERβ [1] ERα [1]
165.7 nM 240.4 nM
In vitro
In vitro Zearalenone is able to occupy the active site of ERs in a strikingly similar manner as E2[1]. Zearalenone disrupts genome stability and inhibits growth of porcine granulosa cells via the estrogen receptors which may promote granulosa cell apoptosis when the DNA repair system is not enough to rescue this serious damage[3]. At low concentrations, ZEN enhances cell proliferation, increases colony formation and fastens cell migration after wound healing. Zearalenone exhibits carcinogenesis-like properties[4].
Cell Research Cell lines HCT116 cells
Concentrations 0-320 μM
Incubation Time 48 h
Method

Human colon carcinoma cells (HCT116) were maintained as monolayer culture in DMEM, supplemented with 10 % fetal bovine serum (FBS), 1 % l-glutamine (200 mM), 1 % of mixture penicillin (100 IU/ml) and streptomycin (100 μg/ml), in a humidified incubator at 37°C in an atmosphere of 5 % CO2 in air. ZEN is dissolved in pure ethanol. Cell viability was assessed using the methylene blue staining assay. Approximately 20,000 cells per well were seeded in 96-well plates with increasing ZEN or AFB1 concentrations (0-320 μM) at 37°C for 48 h in a final volume of 200 μl. The medium was then removed and cells were gently washed twice with PBS (1x), fixed with 3 % PFA for 5 min at room temperature then stained for 5 min with 0.1 % methylene blue. After extensive washing in water, methylene blue was eluted from cells using 0.1 % HCl, and the absorption of the supernatants was measured at 590 nm in a fluorimiter plate reader.
In Vivo
In vivo In ovariectomized female ICR mice, s.c. administration of ZEN at doses ≥2 mg/kg/day for 3 consecutive days significantly increased uterine wet weight compared with the control group[1]. Zearalenone is an immunotoxic compound similar to estrogen and some endocrine disruptors. After oral exposure, ZEA is rapidly absorbed and initially metabolized by the intestinal tissue and hepatocytes; this initiates the biotransformation of the compound into its major biologically active reductive metabolites, α- and β-zearalenol (α- and β-ZOL). The estrogenic activity of ZEA and its metabolites is mediated by their binding affinity to estrogen receptors (ER), and they are as potent as coumestrol and genistein, two endocrine-disrupting phytestrogens[2].
Animal Research Animal Models ovariectomized ICR mice
Dosages 0.5-100 mg/kg/day
Administration s.c.
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT05751031 Recruiting
HIV Infections
Fondazione Penta UK|UCL Great Ormond Street Institute of Child Health|PENTA Foundation
 February 20 2023 --

Chemical Information & Solubility

Molecular Weight 318.36 Formula

C18H22O5
CAS No. 17924-92-4 SDF --
Smiles CC1CCCC(=O)CCCC=CC2=C(C(=CC(=C2)O)O)C(=O)O1
Storage (From the date of receipt) 3 years -20°C powder

In vitro
Batch:

DMSO : 64 mg/mL ( (201.03 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 64 mg/mL

Water : Insoluble


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