Zhejiang da xue xue bao. Yi xue ban = Journal of Zhejiang University. Medical sciences · 2020
[Analysis of GFM1 gene mutations in a family with combined oxidative phosphorylation deficiency 1].
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Shen Yaping, Yan Kai, Dong Minyue, Yang Rulai, Huang Xinwen
Аннотация
OBJECTIVE: To analyze the clinical phenotype and genetic characteristics of a family with combined oxidative phosphorylation deficiency 1 (COXPD-1).
METHODS: The whole exome sequencing was performed in parents of the proband; and the genetic defects were verified by Sanger sequencing technology in the dried blood spot of the proband, the amniotic fluid sample of the little brother of proband, and the peripheral blood of the parents.
RESULTS: Whole exome sequencing and Sanger validation showed compound heterozygous mutations of GFM1 gene c.688G>A(p.G230S) and c.1576C>T (p.R526X) in both the proband and her little brother, and the c.1576C>T of GFM1 variant was first reported. The two patients were died in early infancy, and presented with metabolic acidosis, high lactic acid, abnormal liver function, feeding difficulties, microcephaly, development retardation and epilepsy.
CONCLUSIONS: GFM1 gene c.688G>A and c.1576C>T compound heterozygous mutations are the cause of this family of COXPD-1.
METHODS: The whole exome sequencing was performed in parents of the proband; and the genetic defects were verified by Sanger sequencing technology in the dried blood spot of the proband, the amniotic fluid sample of the little brother of proband, and the peripheral blood of the parents.
RESULTS: Whole exome sequencing and Sanger validation showed compound heterozygous mutations of GFM1 gene c.688G>A(p.G230S) and c.1576C>T (p.R526X) in both the proband and her little brother, and the c.1576C>T of GFM1 variant was first reported. The two patients were died in early infancy, and presented with metabolic acidosis, high lactic acid, abnormal liver function, feeding difficulties, microcephaly, development retardation and epilepsy.
CONCLUSIONS: GFM1 gene c.688G>A and c.1576C>T compound heterozygous mutations are the cause of this family of COXPD-1.