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Updated: May 12, 2026

Fingerprinting Cardiolipin in Leukocytes by Mass Spectrometry for a Rapid Diagnosis of Barth Syndrome
Published on: March 23, 2022
Do you know this syndrome?
Renata Hubner Frainer1, Luciana Boff de Abreu, Giselle Martins Pinto
1Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, RS, Brazil. rehfrainer@yahoo.com.br
Congenital hypotrichosis, a hair loss disorder, and Stargardt macular dystrophy, a cause of vision loss, are rare genetic conditions. Their association, linked to chromosome 16q22.1, highlights the importance of early dermatological and ophthalmological evaluation.
Area of Science:
- Genetics
- Ophthalmology
- Dermatology
Background:
- Congenital hypotrichosis and Stargardt macular dystrophy are rare autosomal recessive disorders.
- The etiology of these conditions is largely unknown.
- Few reports document the co-occurrence of these two distinct disorders.
Observation:
- The study focuses on the rare association between congenital hypotrichosis (hair loss) and Stargardt macular dystrophy (progressive vision reduction).
- Genetic analysis implicates a defective gene on chromosome 16q22.1 in the pathogenesis.
- Cadherin molecules are suggested to be involved in the disease mechanism.
Findings:
- The defective gene located at chromosome 16q22.1 is associated with both congenital hypotrichosis and Stargardt macular dystrophy.
- Cadherin molecule dysfunction is implicated in the pathogenesis of these combined disorders.
- Early signs of hair changes can indicate potential ocular defects.
Implications:
- Early recognition of hair changes in congenital hypotrichosis should prompt dermatologists to recommend an eye examination.
- Identifying this association can lead to earlier diagnosis and intervention for Stargardt macular dystrophy.
- This understanding may improve patient outcomes by preventing severe ocular defects through timely management.
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