نتایج جستجو برای: frmd7
تعداد نتایج: 66 فیلتر نتایج به سال:
PURPOSE FERM domain containing protein 7 (FRMD7) mutations are associated with X-linked idiopathic congenital nystagmus (ICN). The purpose of this study is to identify a novel splice variant of FRMD7 (FRMD7-S) in both humans and mice with a shortened exon 4 relative to the original form of FRMD7 (FRMD7-FL),and to detect the role of FRMD7-FL and FRMD7-S in the process of neuronal development. ...
FRMD7 mutations are associated with X-linked idiopathic congenital nystagmus (ICN); however, the underlying mechanisms whereby mutations of FRMD7 lead to ICN remain unclear. In a previous study, the first FRMD7 splice variant (FRMD7-S) was cloned and identified, and FRMD7-S was hypothesized to play a significant role in neuronal differentiation and development. The present study investigated a ...
Mutations in the gene encoding FERM domain-containing 7 protein (FRMD7) are recognized as an important cause of X-linked idiopathic infantile nystagmus (IIN). However, the precise role of FRMD7 and its involvement in the pathogenesis of IIN are not understood. In the present study, we have explored the role of FRMD7 in neuronal development. Using in situ hybridization and immunohistochemistry, ...
PURPOSE FERM domain containing 7 (FRMD7) is a member of the four-point-one, ezrin, radixin, moesin (FERM) family of proteins, and has been reported to cause X-linked idiopathic congenital nystagmus (ICN), a disease which affects ocular motor control. There have been over 30 mutations reported for FRMD7, however, their role in the pathogenesis of ICN remains unclear. The purpose of this study is...
Idiopathic infantile nystagmus (IIN) is a genetically heterogeneous disorder, often associated with FRMD7 mutations. As the appearance of the retina is reported to be normal based on conventional fundus photography, IIN is postulated to arise from abnormal cortical development. To determine whether the afferent visual system is involved in FRMD7 mutations, we performed in situ hybridization stu...
PURPOSE Infantile nystagmus (IN) is an inherited disorder characterized by bilateral ocular oscillatory movements. Recently, mutations in FRMD7 were found to be responsible for X-linked idiopathic infantile nystagmus . We investigated the role of the FRMD7 gene mutations in seven Chinese families with infantile nystagmus. METHODS Linkage analysis was performed with fluorescently labeled micro...
PURPOSE To screen mutations in the FERM domain-containing 7 (FRMD7) gene in a Chinese family with X-linked idiopathic congenital nystagmus (ICN). METHODS It has been reported that FRMD7 mutations account for approximately 47% of X-linked nystagmus in Chinese patients. We collected 5 ml of blood samples from members of a family with X-linked ICN and 100 normal controls. Mutations in FRMD7 were...
OBJECTIVES Infantile nystagmus (IN) is a genetically heterogeneous condition characterised by involuntary rhythmic oscillations of the eyes accompanied by different degrees of vision impairment. Two genes have been identified as mainly causing IN: FRMD7 and GPR143. The aim of our study was to identify the genetic basis of both sporadic IN and X-linked IN. DESIGN Prospective analysis. PATIEN...
Congenital Nystagmus (CN) is a genetically heterogeneous ocular disease, which causes a significant proportion of childhood visual impairment. To identify the underlying genetic defect of a CN family, twenty-two members were recruited. Genotype analysis showed that affected individuals shared a common haplotype with markers flanking FRMD7 locus. Sequencing FRMD7 revealed a T > C transition in e...
PURPOSE Mutations of the FERM domain containing protein 7 gene (FRMD7) are associated with X-linked idiopathic congenital nystagmus. Previous studies have shown that FRMD7 plays an important role in neuronal development and is involved in the regulation of F-actin. However, its specific mechanism of action remains undetermined. METHODS Our study used quantitative real-time PCR to assess the l...
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