Article
A novel stoploss mutation CYB5R3 c.906A>G(p.*302Trpext*42) involved in the pathogenesis of hereditary methemoglobinemia.
Clinica chimica acta; international journal of clinical chemistry - 1 Jan 2025
He Kai-Ying, Yu Hong-Ping, Zou Jing, Chen Xiang, Chen Li, Ruan Dan-Dan, Chen Ting, Chen Qian, Zhang Li, Gao Mei-Zhu, Lin Xin-Fu, Li Hong, Fang Zhu-Ting, Wu Jing, Luo Jie-Wei, Liao Li-Sheng
Abstract excerpt
Recessive congenital methemoglobinemia (RCM) is a hereditary autosomal disorder with an extremely low incidence rate. Here, we report a case of methemoglobinemia type I in a patient with congenital persistent cyanosis. The condition was attributed to a novel compound heterozygous mutation in CYB5R3, characterized by elevated methemoglobin levels (13.4 % of total hemoglobin) and undetectable NADH cytochrome b5...
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