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Genetic analysis of four cases of methylmalonic aciduria and homocystinuria, cblC type#.


ABSTRACT: Methylmalonic aciduria and homocystinuria, cblC type, is the most common disorder of intracellular vitamin B12 (cobalamin, cbl) metabolism, which results in impaired biosynthesis of methylcobalamin and adenosylcobalamin. The gene MMACHC responsible for the cblC type had been identified, which enables molecular diagnostics. Here, we report four cblC type cases, which were identified by the typical manifestations, and a new approach of next-generation sequencing platform in pediatrics for genetic diseases, further confirmed by Sanger sequencing of the whole MMACHC gene. The article will replenish the mutational information of related genes to the cblC type, which makes for detecting of cblC disease through the newborn screening.

SUBMITTER: Wang J 

PROVIDER: S-EPMC4583918 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Genetic analysis of four cases of methylmalonic aciduria and homocystinuria, cblC type#.

Wang Jun J   Li Erzhen E   Wang Liwen L   Wang Zhilong Z   Yang Shenghai S   Zhou Qiao Q   Chen Qian Q  

International journal of clinical and experimental pathology 20150801 8


Methylmalonic aciduria and homocystinuria, cblC type, is the most common disorder of intracellular vitamin B12 (cobalamin, cbl) metabolism, which results in impaired biosynthesis of methylcobalamin and adenosylcobalamin. The gene MMACHC responsible for the cblC type had been identified, which enables molecular diagnostics. Here, we report four cblC type cases, which were identified by the typical manifestations, and a new approach of next-generation sequencing platform in pediatrics for genetic  ...[more]

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