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Published on: April 1, 2019
[WASP gene mutation analysis of a family of X-linked thrombocytopenia]
Rui-Ming Shi1, Zhi-Gang Liu, Yong-Hua Yang
1Department of Pediatrics, First Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, China. srm1975@sohu.com
Objective:
This study investigated the history and gene mutations of a family with X-linked thrombocytopenia, in order to understand the clinical characteristic and molecular pathogenesis of the disease.
Methods:
A three-generation X-linked thrombocytopenia family with 13 family members was investigated using PCR-DNA direct sequencing method to screen the exons of WASP gene for mutation analysis.
Results:
The WASP gene sequencing of the proband revealed a missense mutation in exon 2 (G291A), resulting in a change of amino acid 86 from arginine to histidine. The patient's mother was the carrier of the heterozygosis mutation in X-chromosome.
Conclusions:
WASP mutations may be attributed to the molecular mechanism of X-linked thrombocytopenia. G291A is one of the mutations of WASP.
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