Related Experiment Video
Updated: Jul 8, 2026

Investigating Protein-protein Interactions in Live Cells Using Bioluminescence Resonance Energy Transfer
Published on: May 26, 2014
The mutations and potential targets of the forkhead transcription factor FOXL2
L Moumné1, F Batista, B A Benayoun
1Institut Cochin, Université Paris Descartes, CNRS (UMR 8104), Paris, France.
Abstract:
Mutations of FOXL2, a gene encoding a forkhead transcription factor, have been shown to cause the blepharophimosis-ptosis-epicanthus inversus syndrome (BPES). This genetic disorder is characterized by eyelid and mild craniofacial abnormalities that can appear associated with premature ovarian failure. FOXL2 is one of the earliest ovarian markers and it offers, along with its targets, an excellent model to study ovarian development and function in normal and pathological conditions. In this review we summarize recent data concerning FOXL2, its mutations and its potential targets. Indeed, many mutations have been described in the coding sequence of FOXL2. Among them, polyalanine expansions and premature nonsense mutations have been shown to induce protein aggregation. In the context of the ovary, FOXL2 has been suggested to be involved in the regulation of cholesterol and steroid metabolism, apoptosis, reactive oxygen species detoxification and inflammation processes. The elucidation of the impact of FOXL2 mutations on its function will allow a better understanding of the pathogenic mechanisms underlying the BPES phenotype.
Insights
Mutations in the FOXL2 gene cause blepharophimosis-ptosis-epicanthus inversus syndrome (BPES), affecting eyelids and ovaries. Understanding FOXL2 mutations is key to deciphering BPES pathogenesis.
Area of Science:
- Genetics
- Developmental Biology
- Endocrinology
Background:
- FOXL2 gene mutations are linked to blepharophimosis-ptosis-epicanthus inversus syndrome (BPES).
- BPES presents with eyelid abnormalities and can be associated with premature ovarian failure.
- FOXL2 is a crucial early ovarian marker for studying ovarian development and function.
Purpose of the Study:
- To review recent findings on FOXL2, its mutations, and potential targets.
- To explore the role of FOXL2 in ovarian development and disease.
- To understand the pathogenic mechanisms of BPES.
Main Methods:
- Review of existing literature on FOXL2 gene mutations.
- Analysis of reported FOXL2 mutations, including polyalanine expansions and nonsense mutations.
- Examination of FOXL2's suggested roles in ovarian cellular processes.
Main Results:
- Numerous mutations in the FOXL2 coding sequence have been identified.
- Specific mutations, like polyalanine expansions and nonsense mutations, can lead to protein aggregation.
- FOXL2 is implicated in regulating ovarian cholesterol/steroid metabolism, apoptosis, oxidative stress, and inflammation.
Conclusions:
- Elucidating the functional impact of FOXL2 mutations is essential for understanding BPES.
- FOXL2 plays a significant role in ovarian function and development.
- Further research into FOXL2 targets will enhance knowledge of BPES pathophysiology.
Related Concept Videos
General Transcription Factors
Master Transcription Regulators
Master Transcription Regulators
Canonical Wnt Signaling Pathway
Methods of Nuclear Reprogramming
Restarting Stalled Replication Forks

