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A de novel mutation of the HSD17B4-related peroxisome D-bifunctional protein deficiency in a family and literature review / 中华实用儿科临床杂志
Article in Chinese | WPRIM | ID: wpr-882917
Responsible library: WPRO
ABSTRACT

Objective:

To investigate the clinical and genetic characteristics of peroxisome D-bifunctional protein deficiency (PDBPD) associated with HSD17B4 mutation.

Methods:

The clinical and genetic characteristics of 2 cases of PDBPD in August 2020, at Children′s Hospital Affiliated to Nanjing Medical University caused by HSD17B4 gene mutation were retrospectively analyzed.

Results:

Male proband and his sister suffered from neonatal epilepsy, psychomotor development disorders, ataxia, myasthenia, hearing impairment, and foot deformity.The very long chain fatty acids in serum were normal, and brain magnetic resonance imaging (MRI) showed bilateral cerebellar hemisphere atrophy.Electromyography suggested changes in the myoelectricity of multiple peripheral neurogenic lesions.Auditory evoked potential displayed severe bilateral sensorineural hearing loss.Exome sequencing identified compound heterozygous mutations (c.1171G > C, c.686-2A>T) in HSD17B4.The clinical diagnosis was PDBPD, aged 8 and 14 years, respectively.

Conclusions:

Two cases of HSD17B4 mutation-induced PDBPD were first reported in Chinese mainland, which was in line with its typical clinical manifestations.The newly discovered c. 1171G> C and c. 686-2A>T mutations enriched the HSD17B4 mutation spectrum.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Applied Clinical Pediatrics Year: 2021 Type: Article
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Applied Clinical Pediatrics Year: 2021 Type: Article