Heterozygous HTRA1 missense mutation in CADASIL-like family disease

The aim of this study was to find related pathogenic genes in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy in (CADASIL)-like patients. The direct sequencing and high-throughput multiplex polymerase chain reaction (PCR) was performed to screen for related...

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Main Authors: Xiaowei Wu, Changxin Li, Jinming Mao, Ling Li, Yan Liu, Yao Hou
Format: Article
Language:English
Published: Associação Brasileira de Divulgação Científica 2018-03-01
Series:Brazilian Journal of Medical and Biological Research
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018000500602&lng=en&tlng=en
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author Xiaowei Wu
Changxin Li
Jinming Mao
Ling Li
Yan Liu
Yao Hou
author_facet Xiaowei Wu
Changxin Li
Jinming Mao
Ling Li
Yan Liu
Yao Hou
author_sort Xiaowei Wu
collection DOAJ
description The aim of this study was to find related pathogenic genes in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy in (CADASIL)-like patients. The direct sequencing and high-throughput multiplex polymerase chain reaction (PCR) was performed to screen for related genes. The clinical and imaging data of a CADASIL-like patient (the pro-band) and his family members were collected. At first, the known hereditary cerebral vascular genes of the pro-band were screened with direct sequencing to find candidate gene mutations. High-throughput multiplex PCR was then used to analyze the single nucleotide polymorphism of the candidate gene in the family members. The results showed that there was missense mutation of the high temperature requirement protease A1 (HTRA1) gene in the pro-band, which may be a pathogenic factor according to the biological software analysis. The following SNP results revealed that the other family members also had the HTRA1 gene mutation. Thus, the CADASIL-like family disease may be caused by heterozygous HTRA1 gene mutation, which leads to autosomal dominant hereditary cerebral small vessel disease.
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spelling doaj.art-4a987c7ec3e047f3a92176275b04fd432022-12-22T01:19:01ZengAssociação Brasileira de Divulgação CientíficaBrazilian Journal of Medical and Biological Research1414-431X2018-03-0151510.1590/1414-431x20176632S0100-879X2018000500602Heterozygous HTRA1 missense mutation in CADASIL-like family diseaseXiaowei WuChangxin LiJinming MaoLing LiYan LiuYao HouThe aim of this study was to find related pathogenic genes in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy in (CADASIL)-like patients. The direct sequencing and high-throughput multiplex polymerase chain reaction (PCR) was performed to screen for related genes. The clinical and imaging data of a CADASIL-like patient (the pro-band) and his family members were collected. At first, the known hereditary cerebral vascular genes of the pro-band were screened with direct sequencing to find candidate gene mutations. High-throughput multiplex PCR was then used to analyze the single nucleotide polymorphism of the candidate gene in the family members. The results showed that there was missense mutation of the high temperature requirement protease A1 (HTRA1) gene in the pro-band, which may be a pathogenic factor according to the biological software analysis. The following SNP results revealed that the other family members also had the HTRA1 gene mutation. Thus, the CADASIL-like family disease may be caused by heterozygous HTRA1 gene mutation, which leads to autosomal dominant hereditary cerebral small vessel disease.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018000500602&lng=en&tlng=enHTRA1CADASIL-likeSNPCerebral small vessel disease
spellingShingle Xiaowei Wu
Changxin Li
Jinming Mao
Ling Li
Yan Liu
Yao Hou
Heterozygous HTRA1 missense mutation in CADASIL-like family disease
Brazilian Journal of Medical and Biological Research
HTRA1
CADASIL-like
SNP
Cerebral small vessel disease
title Heterozygous HTRA1 missense mutation in CADASIL-like family disease
title_full Heterozygous HTRA1 missense mutation in CADASIL-like family disease
title_fullStr Heterozygous HTRA1 missense mutation in CADASIL-like family disease
title_full_unstemmed Heterozygous HTRA1 missense mutation in CADASIL-like family disease
title_short Heterozygous HTRA1 missense mutation in CADASIL-like family disease
title_sort heterozygous htra1 missense mutation in cadasil like family disease
topic HTRA1
CADASIL-like
SNP
Cerebral small vessel disease
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018000500602&lng=en&tlng=en
work_keys_str_mv AT xiaoweiwu heterozygoushtra1missensemutationincadasillikefamilydisease
AT changxinli heterozygoushtra1missensemutationincadasillikefamilydisease
AT jinmingmao heterozygoushtra1missensemutationincadasillikefamilydisease
AT lingli heterozygoushtra1missensemutationincadasillikefamilydisease
AT yanliu heterozygoushtra1missensemutationincadasillikefamilydisease
AT yaohou heterozygoushtra1missensemutationincadasillikefamilydisease