Mutations in BTD gene causing biotinidase deficiency: a regional report

Area of Science:

• Genetics
• Metabolism
• Biochemistry

Background:

• Biotinidase deficiency is an inherited metabolic disorder affecting biotin recycling.
• It leads to secondary biotin deficiency, impacting biotin-dependent carboxylases and causing toxic metabolite accumulation.
• Clinical symptoms include neurological, cutaneous, and metabolic abnormalities.

Purpose of the Study:

• To summarize demographic features of biotinidase deficient patients.
• To present mutation analysis results for 20 cases in Turkey.
• To correlate genetic findings with biochemical enzymatic results.

Main Methods:

• Patient data collection from August 2012 to August 2013.
• Mutation analysis of the biotinidase gene.
• Demographic analysis of identified cases.

Main Results:

• Analysis of 20 biotinidase deficient cases in Southeast Turkey.
• Summary of demographic characteristics of the patient cohort.
• Identification and correlation of specific gene mutations.

Conclusions:

• Understanding demographic and genotypic features is crucial for biotinidase deficiency management.
• Mutation analysis aids in confirming diagnosis and understanding disease mechanisms.
• This study contributes to the understanding of biotinidase deficiency in the Turkish population.