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A novel mutation of NTRK1 gene in a family with congenital insensitivity to pain with anhidrosis / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 574-577, 2014.
Article in Chinese | WPRIM | ID: wpr-291727
ABSTRACT
<p><b>OBJECTIVE</b>To screen for mutations in the neurotrophic tyrosine kinase receptor type 1 (NTRK1) gene in a Chinese family affected with congenital insensitivity to pain with anhidrosis (CIPA).</p><p><b>METHODS</b>With informed consent obtained, peripheral blood samples were obtained from the patient and his family members. Seventeen coding exons and intron-exon boundaries of the NTRK1 gene were amplified with PCR and analyzed by direct sequencing.</p><p><b>RESULTS</b>A novel mutation c.2086_2087insC (p.Arg696 fsx) was identified in exon 16 of the NTRK1 gene in the proband. This insertion has caused open reading frame shifting and a premature termination has occurred just one codon downstream. Truncation of 72 amino acids at the C terminus has wiped out part of the tyrosine kinase domain (TKD) of the protein. Both of the proband's parents and two grandmothers have carried the c.2086_2087insC (p.Arg696 fsx) mutation. No mutation was found in the NTRK1 gene of other siblings.</p><p><b>CONCLUSION</b>Mutation analysis of the NTRK1 gene has been carried out in a Chinese family affected with CIPA, and a novel NTRK1 gene mutation was identified.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: DNA Mutational Analysis / Base Sequence / Hereditary Sensory and Autonomic Neuropathies / Polymerase Chain Reaction / Exons / Receptor, trkA / Genetics / Mutation Type of study: Prognostic study Limits: Child, preschool / Humans / Male Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: DNA Mutational Analysis / Base Sequence / Hereditary Sensory and Autonomic Neuropathies / Polymerase Chain Reaction / Exons / Receptor, trkA / Genetics / Mutation Type of study: Prognostic study Limits: Child, preschool / Humans / Male Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2014 Type: Article