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Paper Information

Journal:   ARCHIVES OF IRANIAN MEDICINE   JUNE 2016 , Volume 19 , Number 6; Page(s) 403 To 408.
 
Paper: 

A NOVEL NONSENSE MUTATION IN EXON 5 OF KIND1 GENE IN AN IRANIAN FAMILY WITH KINDLER SYNDROME

 
DOI: 

0161906/AIM.006

 
Author(s):  HEIDARI MOHAMMAD MEHDI*, KHATAMI MEHRI, KARGAR SAEED, AZARI MOJDEH, HOSSEINZADEH HASSAN, FALLAH HAMIDEH
 
* DEPARTMENT OF BIOLOGY, FACULTY OF SCIENCE, YAZD UNIVERSITY, YAZD, IRAN
 
Abstract: 

BACKGROUND: Kindler syndrome (KS) is an autosomal recessive skin disease characterized by actual blistering, photosensitivity and a progressive poikiloderma. The disorder results from rare mutations in the KIND1 gene. This gene contains 15 exons and expresses two kindlin-1 isoforms.
Objective: The aim of this investigation was to analyze mutations in the exons 1 to 15 of KIND1 gene in an Iranian family clinically affected with Kindler syndrome.
METHODS: The mutations analysis of 15 coding exons of KIND1 gene was performed with PCR-SSCP and direct sequencing in 14 subjects from one Iranian family clinically affected with Kindler syndrome.
RESULTS: We identified eight new nucleotide changes in KIND1 in this family. These changes were found in g.3892delA, g.3951T>C, g.3962T>G, g.4190G>T, g.7497G>A, g.11076T>C, g.11102C>T and g.13177C>T positions. Among them, the g.13177C>T mutation resulting in the formation of a premature stop codon (Q226X) was detected only in seven affected family individuals as homozygous but was not present in 100 unrelated healthy controls.
CONCLUSIONS: This study suggests that nonsense mutation may lead to incomplete and non-functional protein products and is pathogenic and has meaningful implications for the diagnosis of patients with Kindler syndrome.

 
Keyword(s): KINDLER SYNDROME, KIND1 GENE, MUTATION, PCR-SSCP
 
References: 
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