Adult progeria: a new mutation in the WRN gene
Margarida Lucas Rocha1, Ana Teodósio Chicharo2, Graça Sequeira2
1Rheumatology, Hospital de Faro, Faro, Faro, Portugal margaridarocha@campus.ul.pt.
BMJ Case Reports
|November 17, 2022
Summary
Werner syndrome (WS), a rare progeroid syndrome of accelerated aging, presents with rheumatic conditions. This case highlights a typical WS patient with a newly identified genetic variant in the WRN gene.
Area of Science:
- Genetics
- Molecular Biology
- Gerontology
Background:
- Werner syndrome (WS), or adult progeria, is a rare autosomal recessive disorder causing accelerated aging features.
- WS is linked to rheumatic conditions like osteoarthritis, osteoporosis, sarcopenia, and scleroderma-like skin.
- Diagnosis is clinical, often confirmed by genetic testing for WRN gene variants.
Observation:
- A case report of a patient with typical Werner syndrome symptoms is presented.
- The patient was found to have a previously undescribed genetic variant in the WRN gene.
- The WRN gene encodes a DNA helicase crucial for DNA repair.
Findings:
- Identified a novel pathogenic variant in the WRN gene in a Werner syndrome patient.
- This expands the spectrum of known WRN mutations associated with WS.
- Confirms the role of WRN gene mutations in the pathogenesis of Werner syndrome.
Implications:
- This discovery contributes to understanding the genetic basis of Werner syndrome.
- Highlights the importance of genetic testing for diagnosing WS and identifying novel mutations.
- May inform future research into WS pathogenesis and potential therapeutic targets.
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