MF101

Identification

Generic Name
MF101
DrugBank Accession Number
DB05052
Background

MF101 is a novel estrogen receptor beta (ERβ) selective agonist and unlike currently available hormone therapies, does not activate the estrogen receptor alpha (ERα), known to be implicated in tumor formation. MF101 is an oral drug designed for the treatment of hot flashes and night sweats in peri-menopausal and menopausal women.

Type
Small Molecule
Groups
Investigational
Synonyms
Not Available

Pharmacology

Indication

Investigated for use/treatment in hormone replacement therapy: menopause and menopause.

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Contraindications & Blackbox Warnings
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Pharmacodynamics

Not Available

Mechanism of action

MF101 promoted ERbeta, but not ERalpha, activation of an estrogen response element (ERE) upstream of the luciferase reporter gene. MF101 also selectively regulates transcription of endogenous genes through ERbeta. The ERbeta-selectivity was not due to differential binding, since MF101 binds equally to ERalpha and ERbeta. Fluorescence resonance energy transfer and protease digestion studies showed that MF101 produces a different conformation in ERalpha from ERbeta, when compared with the conformations produced by estradiol. The specific conformational change induced by MF101 allows ERbeta to bind to an ERE and recruit coregulatory proteins that are required for gene activation. MF101 did not activate the ERalpha-regulated proliferative genes, c-myc and cyclin D1, or stimulate MCF-7 breast cancer cell proliferation or tumor formation in a mouse xenograft model.

TargetActionsOrganism
UEstrogen receptor betaNot AvailableHumans
Absorption

Not Available

Volume of distribution

Not Available

Protein binding

Not Available

Metabolism
Not Available
Route of elimination

Not Available

Half-life

Not Available

Clearance

Not Available

Adverse Effects
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Toxicity

Not Available

Pathways
Not Available
Pharmacogenomic Effects/ADRs
Not Available

Interactions

Drug Interactions
This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. The absence of an interaction does not necessarily mean no interactions exist.
Not Available
Food Interactions
Not Available

Categories

Drug Categories
Not Available
Classification
Not classified
Affected organisms
Not Available

Chemical Identifiers

UNII
Not Available
CAS number
Not Available
InChI Key
Not Available
InChI
Not Available
IUPAC Name
Not Available
SMILES
Not Available

References

General References
  1. Cvoro A, Paruthiyil S, Jones JO, Tzagarakis-Foster C, Clegg NJ, Tatomer D, Medina RT, Tagliaferri M, Schaufele F, Scanlan TS, Diamond MI, Cohen I, Leitman DC: Selective activation of estrogen receptor-beta transcriptional pathways by an herbal extract. Endocrinology. 2007 Feb;148(2):538-47. Epub 2006 Nov 9. [Article]
PubChem Substance
347909916

Clinical Trials

Clinical Trials
PhaseStatusPurposeConditionsCount
3Unknown StatusTreatmentHot Flashes / Vasomotor Symptoms Associated With Menopause1
2CompletedTreatmentHot Flashes1
2CompletedTreatmentMenopausal Symptoms / Sleeping Quality1
1TerminatedTreatmentHealthy Volunteers (HV)1
1Unknown StatusTreatmentHot Flashes1

Pharmacoeconomics

Manufacturers
Not Available
Packagers
Not Available
Dosage Forms
Not Available
Prices
Not Available
Patents
Not Available

Properties

State
Solid
Experimental Properties
Not Available
Predicted Properties
Not Available
Predicted ADMET Features
Not Available

Spectra

Mass Spec (NIST)
Not Available
Spectra
Not Available
Chromatographic Properties
Collision Cross Sections (CCS)
Not Available

Targets

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Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Zinc ion binding
Specific Function
Nuclear hormone receptor. Binds estrogens with an affinity similar to that of ESR1, and activates expression of reporter genes containing estrogen response elements (ERE) in an estrogen-dependent m...
Gene Name
ESR2
Uniprot ID
Q92731
Uniprot Name
Estrogen receptor beta
Molecular Weight
59215.765 Da

Drug created at October 21, 2007 22:23 / Updated at June 12, 2020 16:52