NCIt related terms : Neonatal Multiple Carboxylase Deficiency;
NCIt definition : A rare autosomal recessive inherited disorder caused by mutations in the HLCS gene.
It is characterized by deficiency of the enzyme holocarboxylase synthetase which facilitates
the effective use of the vitamin biotin in the body. Signs and symptoms appear early
in life and include breathing difficulties, feeding difficulties, alopecia, skin rash,
and lethargy. Lifelong administration of biotin supplements is required. If it is
not treated properly, it may lead to developmental delays, seizures, and coma.;