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Beneficial effect of acitretin in Chanarin-Dorfman syndrome
S Israeli1, Y Pessach, O Sarig
1Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
Insights
Chanarin-Dorfman syndrome (CDS), a lipid metabolism disorder, is caused by ABHD5 gene mutations. Acitretin treatment showed positive clinical and lab results in a child with ichthyosis and hepatomegaly.
Area of Science:
- Genetics
- Metabolic Disorders
- Dermatology
Background:
- Chanarin-Dorfman syndrome (CDS) is an autosomal recessive metabolic disorder.
- It is characterized by congenital ichthyosis and visceral complications from neutral lipid accumulation.
- Mutations in the ABHD5 gene are the known cause of CDS.
Observation:
- A pediatric case presented with ichthyosis and hepatomegaly, indicative of CDS.
- Genetic analysis revealed an intronic mutation (c.960 + 5G>A) causing exon 6 skipping.
- The patient exhibited abnormal liver function tests.
Findings:
- The identified ABHD5 mutation led to exon 6 skipping, confirming the genetic basis of CDS in this patient.
- Acitretin therapy was initiated due to abnormal liver function tests.
- The treatment yielded satisfactory clinical and laboratory improvements.
Implications:
- This case highlights the potential efficacy of acitretin in managing Chanarin-Dorfman syndrome.
- Acitretin treatment can be beneficial even when liver function is compromised.
- Further research into acitretin's role in CDS management is warranted.
Abstract:
Chanarin-Dorfman syndrome (CDS) is an autosomal recessive metabolic disorder characterized by congenital ichthyosis and visceral complications due to accumulation of neutral lipids. CDS is caused by mutations in the ABHD5 (previously termed CGI-58) gene. In the present study, we assessed a young child presenting with ichthyosis and hepatomegaly, suggesting a diagnosis of CDS. We identified an intronic mutation, c.960 + 5G>A, which was found to result in skipping of exon 6. Abnormal results on liver function tests led us to treat the child with acitretin, which resulted in satisfactory clinical and laboratory responses. The present case illustrates the beneficial effect of acitretin treatment in CDS even in the presence of compromised liver function.
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