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Familial Episodic Pain Syndromes.
Yu Shen1, Yilei Zheng1, Daojun Hong1,2
1Department of Neurology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, People's Republic of China.
Journal of Pain Research
|September 2, 2022
Summary
Familial episodic pain syndromes (FEPS) involve early-onset severe pain due to genetic mutations. Early diagnosis and management are crucial for potentially treatable subtypes.
Area of Science:
- Genetics
- Neurology
- Molecular Biology
Background:
- Familial episodic pain syndromes (FEPS) are characterized by early-childhood onset of severe episodic pain, primarily in distal extremities.
- These syndromes tend to diminish in severity with age.
- Advances in genetic sequencing have identified causative genes for FEPS subtypes.
Purpose of the Study:
- To review the clinical manifestations, pathogenic mechanisms, and potential therapies for FEPS.
- To highlight the importance of early diagnosis and management.
- To offer perspectives on future research directions for FEPS.
Main Methods:
- Review of existing literature on genetic sequencing, phenotypic and genetic properties of FEPS.
- Analysis of functional studies on gene mutations associated with FEPS.
- Synthesis of information on clinical presentations, disease mechanisms, and therapeutic strategies.
Main Results:
- FEPS encompass at least four subtypes (FEPS1-4), linked to mutations in TRPA1, SCN10A, SCN11A, and SCN9A genes.
- Missense mutations in these genes are associated with a gain-of-function in cation channels.
- Some FEPS patients exhibit treatability and a favorable prognosis.
Conclusions:
- Understanding the genetic basis and pathophysiology of FEPS is essential for timely diagnosis and effective management.
- Targeted therapies may improve outcomes for individuals with FEPS.
- Further research is warranted to fully elucidate FEPS mechanisms and optimize treatment strategies.
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