TY - JOUR U1 - Zeitschriftenartikel, wissenschaftlich - begutachtet (reviewed) A1 - Lee, Heon-Jin A1 - Adham, Ibrahim M. A1 - Schwarz, Günter A1 - Kneussel, Matthias A1 - Sass, Jörn O. A1 - Engel, Wolfgang A1 - Reiss, Jochen T1 - Molybdenum cofactor-deficient mice resemble the phenotype of human patients JF - Human Molecular Genetics N2 - Human molybdenum cofactor deficiency is a rare and devastating autosomal-recessive disease for which no therapy is known. The absence of active sulfite oxidase-a molybdenum cofactor-dependent enzyme-results in neonatal seizures and early childhood death. Most patients harbor mutations in the MOCS1 gene, whose murine homolog was disrupted by homologous recombination with a targeting vector. As in humans, heterozygous mice display no symptoms, but homozygous animals die between days 1 and 11 after birth. Biochemical analyis of these animals shows that molydopterin and active cofactor are undetectable. They do not possess any sulfite oxidase or xanthine dehydrogenase activity. No organ abnormalities were observed and the synaptic localization of inhibitory receptors, which was found to be disturbed in molybdenum cofactor deficient-mice with a Gephyrin mutation, appears normal. MOCS1(-/-) mice could be a suitable animal model for biochemical and/or genetic therapy approaches. Y1 - 2002 SN - 0964-6906 SS - 0964-6906 U6 - https://doi.org/10.1093/hmg/11.26.3309 DO - https://doi.org/10.1093/hmg/11.26.3309 PM - 12471057 VL - 11 IS - 26 SP - 3309 EP - 3317 PB - Oxford University Press ER -