نتایج جستجو برای: ژن slc26a4
تعداد نتایج: 16206 فیلتر نتایج به سال:
جهش های ژن slc26a4 پس از ژن gjb2 مهم ترین عامل ژنتیکی ایجاد کننده ناشنوایی غیر سندرمی با وراثت اتوزومی مغلوب (autosomal recessive non-syndromic hearing loss, arnshl) هستند که امروزه در تشخیص های مولکولی مورد بررسی قرار می گیرند. در پایگاه داده ها تعداد زیادی از مارکرهای str مرتبط با این ناحیه معرفی شده است. در این مطالعه، خصوصیات و اطلاع دهندگی مارکر d7s2420 با توالی های تکراری ca، که در ناحیه ...
زمینه و هدف: جهش های ژن slc26a4 پس از ژن gjb2 دومین عامل ژنتیکی ایجاد کننده ناشنوایی غیر سندرمیک با وراثت اتوزومی مغلوب هستند که امروزه در تشخیص های مولکولی مورد بررسی قرار می گیرند. در پایگاه داده ها تعداد زیادی از مارکرهای str مرتبط با این ناحیه معرفی شده است. در این مطالعه، خصوصیات و اطلاع دهندگی مارکرd7s2459 با توالی های تکراری ca، که در اینترون 10 ژن slc26a4 می باشد، در پنج قوم مختلف جمعیت...
The prevalence and spectrum of sequence alterations in the SLC26A4 gene, which codes for the anion exchanger pendrin, are population-specific and account for at least 50% of cases of non-syndromic hearing loss associated with an enlarged vestibular aqueduct. A cohort of nineteen patients from Austria with hearing loss and a radiological alteration of the vestibular aqueduct underwent Sanger seq...
OBJECTIVES To identify mutations in the SLC26A4 gene in individuals with nonsyndromic hearing loss and enlarged vestibular aqueduct, to design a predicted model of the pendrin protein, and to characterize novel mutations by means of localization in mammalian cells and effect of the mutation on the predicted model. DESIGN Validation of the mutation by its exclusion in more than 300 individuals...
OBJECTIVES Genetic hearing loss is highly heterogeneous and more than 100 genes are predicted to cause this disorder in humans. In spite of this large genetic heterogeneity, mutations in SLC26A4 and GJB2 genes are primarily responsible for the major etiologies of genetic hearing loss among Koreans. The purpose of this study is to investigate the genetic cause of deafness in Korean cochlear impl...
Mutations of the human SLC26A4/PDS gene constitute the most common cause of syndromic and nonsyndromic hearing loss. Definition of the SLC26A4 mutation spectrum among different populations with sensorineural hearing loss is important for development of optimal genetic screening services for congenital hearing impairment. We screened for SLC26A4 mutations among Chinese and U.S. subjects with hea...
BACKGROUND Pendred syndrome, an autosomal-recessive disorder characterized by deafness and goiter, is caused by a mutation of SLC26A4, which codes for the anion exchanger pendrin. We investigated the relationship between pendrin expression and deafness using mice that have (Slc26a4+/+ or Slc26a4+/-) or lack (Slc26a4-/-) a complete Slc26a4 gene. Previously, we reported that stria vascularis of a...
OBJECTIVE The SLC26A4 protein (pendrin) seems to be involved in the exchange of chloride with other anions, therefore being responsible for iodide organification in the thyroid gland and the conditioning of the endolymphatic fluid in the inner ear. Malfunction of SLC26A4 leads to Pendred syndrome, characterized by mild thyroid dysfunction often associated with goiter and/or prelingual deafness....
OBJECTIVES/HYPOTHESIS Hearing loss and enlarged vestibular aqueduct (EVA) can be inherited as an autosomal recessive trait caused by mutant alleles of the SLC26A4 gene. In some other families, EVA does not segregate in a typical autosomal recessive pattern. The goal of this study was to characterize the SLC26A4 genotypes and phenotypes of extended families with atypical segregation of EVA. ST...
Mutations of SLC26A4 are a common cause of human hearing loss associated with enlargement of the vestibular aqueduct. SLC26A4 encodes pendrin, an anion exchanger expressed in a variety of epithelial cells in the cochlea, the vestibular labyrinth and the endolymphatic sac. Slc26a4 (Δ/Δ) mice are devoid of pendrin and develop a severe enlargement of the membranous labyrinth, fail to acquire heari...
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