Autosomal recessive ALOX12B gene and consecutive collodion baby
Krishma Thakur1, Alka Sehgal2, Bharti Goel2
1Obstetrics and Gynecology, GMCH, Chandigarh, India thakur.krishma72@gmail.com.
BMJ Case Reports
|March 21, 2024
Summary
Autosomal recessive congenital ichthyosis, a rare genetic skin disorder, results from defective keratinization. This case highlights a mutation in the R-type arachidonate 12-lipoxygenase gene (ALOX12B).
Area of Science:
- Genetics
- Dermatology
- Biochemistry
Background:
- Autosomal recessive congenital ichthyosis (ARCI) is a rare group of genetic disorders characterized by defective keratinization.
- The prevalence of lamellar ichthyosis and congenital ichthyosiform erythroderma is approximately 1 in 200,000 to 300,000 individuals.
- Genetic mutations, particularly missense and frameshift types, account for 80% of ARCI cases.
Observation:
- A patient presented with clinical features consistent with ARCI.
- Genetic analysis revealed a specific mutation within the R-type arachidonate 12-lipoxygenase gene (ALOX12B).
Findings:
- The identified mutation in the ALOX12B gene is associated with the pathogenesis of ARCI in this patient.
- This finding contributes to the understanding of genetic defects underlying keratinization disorders.
Implications:
- This case underscores the importance of genetic testing in diagnosing ARCI.
- Further research into ALOX12B mutations may reveal novel therapeutic targets for ichthyosis subtypes.
- Understanding the molecular mechanisms of ALOX12B in keratinization could advance treatments for genetic skin disorders.
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