نتایج جستجو برای: syndromic sporadic hearing loss
تعداد نتایج: 510174 فیلتر نتایج به سال:
(1) Background: The aim of this study was to compare the histopathological features syndromic and non-syndromic odontogenic keratocysts (OKs) using conventional Confocal Laser Scanning Microscopy (CLSM) with their biological behaviour. (2) Methods: Data from medical records 113 patients histological diagnosis (single and/or multiple) OKs were collected. Globally, 213 (120 93 sporadic) retrieved...
BACKGROUND More than 70 % of the cases of congenital deafness are of genetic origin, of which approximately 80 % are non-syndromic and show autosomal recessive transmission (DFNB forms). To date, 60 DFNB genes have been identified, most of which cause congenital, severe to profound deafness, whereas a few cause delayed progressive deafness in childhood. We report the study of two Algerian sibli...
BACKGROUND Hearing impairment is the most common sensory impairment in humans, affecting 1:1,000 births. We have identified an ENU generated mouse mutant, Mozart, with recessively inherited, non-syndromic progressive hearing loss caused by a mutation in the synaptojanin 2 (Synj2), a central regulatory enzyme in the phosphoinositide-signaling cascade. METHODOLOGY/PRINCIPAL FINDINGS The hearing...
PURPOSE: Non-syndromic sagittal and/or metopic craniosynostosis, occurring once in every 4,000 live births, accounts for half of all craniosynostosis cases. Despite success in identifying the genes underlying rare syndromic craniosynostoses, mutations in these genes are very rarely found in their non-syndromic counterparts. We considered that the often sporadic occurrence of non-syndromic crani...
Background Non-syndromic hearing loss (NSHL) is assumed as one of the highly prevalent congenital defects in the world. In this regard, gap junction protein beta 2(GJB2), and gap junction protein beta 6(GJB6) mutations are considered as the leading congenital causes of deafness. The present study aimed to assess the prevalence of GJB2 and GJB6 mutations in NSHL cases. Materials and Methods This...
Mutations in mitochondrial DNA (mtDNA) have been shown to be an important cause of sensorineural hearing loss (SNHL). In this study, we performed a clinical and genetic analysis of 169 hearing-impaired patients and some of their relatives suffering from idiopathic SNHL, both familial and sporadic. The analysis of four fragments of their mtDNA identified several polymorphisms, the well known pat...
BACKGROUND Inflammatory/hyperplastic small-bowel polyps (SBPs) occur either sporadically or in patients with a polyposis syndrome; however, comparison between these two settings of the histological features of SBPs has not been reported and the etiology of sporadic inflammatory/hyperplastic SBPs remains unclear. METHOD Twenty-eight cases of sporadic inflammatory/hyperplastic SBPs and nine cas...
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