CONTENT Strumpell-Lorrain disease - or familial spastic paraplegia (FSP) - is a rare hereditary neurological disorder, mainly characterized by variable degrees of stiffness and weakening of the muscles, with cognitive impairment, deafness, and ataxia in the more severe cases. We describe two female siblings with FSP programmed for cholecystectomy and subtotal colectomy, respectively, and also h...

X linked recessive deafness accounts for only 1.7% of all childhood deafness. Only a few of the at least 28 different X linked syndromes associated with hearing impairment have been characterised at the molecular level. In 1960, a large Norwegian family was reported with early onset progressive sensorineural deafness, which was indexed in McKusick as DFN-1, McKusick 304700. No associated sympto...

OBJECTIVE Gene chip and gene sequencing techniques were used to detect the main pathogenic genes in pregnant women with hereditary hearing loss. PATIENTS AND METHODS From May 2015 to May 2016, 1080 pregnant in Xuzhou Maternal and Child Health Hospital were enrolled in this study. Women age range was 18 to 40 years. 4 genes and 9 mutation sites, including 4 sites (35delG, 176, 235delC and 299)...

K+-recycling defect is a long-standing hypothesis for deafness mechanism of Connexin26 (Cx26, GJB2) mutations, which cause the most common hereditary deafness and are responsible for >50% of nonsyndromic hearing loss. The hypothesis states that Cx26 deficiency may disrupt inner ear gap junctions and compromise sinking and recycling of expelled K+ ions after hair cell excitation, causing accumul...

Genodermatoses Ichthyosis This hereditary condition is characterized by hyperkeratosis or hypertrophy of the horny layers of the skin which is dry and scaly and looks dirty (Fig. 1). Besides dominant, autosomal recessive, and sex-linked recessive forms, ichthyosis also occurs in the SjogrenLarsson syndrome (ichthyosis, spasticity, and oligophrenia) and in Refsum's syndrome, a disturbance of lip...

Riboflavin transporter deficiency (formerly known as Brown-Vialetto-Van Laere [BVVL] or Fazio-Londe syndrome) is a neurodegenerative disorder characterized by progressive bulbar palsy with sensorineural deafness or bulbar hereditary neuropathy. It is caused by mutations in the riboflavin transporter genes SLC52A2 (RFVT2) or SLC52A3 (RFVT3). It is a rare syndrome with approximately 70 cases repo...

Introduction: Hereditary Gingival Enlargement (HGF), a rare entity, is also known as familial elephantiasis, elephantiasis gingivae, diffuse fibromatosis. It benign, non-haemorrhagic fibrous enlargement of gingival tissue. frequently component feature many syndromes. Jones syndrome one such syndrome, characterized by overgrowth and progressive deafness.
 Case report: A 27-year-old male pat...

Usher syndrome (USH) is an autosomal recessive disorder characterized by combined deafness-blindness. It accounts for about 50% of all hereditary deafness blindness cases. Three clinical subtypes (USH1, USH2, and USH3) are described, of which USH1 is the most severe form, characterized by congenital profound deafness, constant vestibular dysfunction, and a prepubertal onset of retinitis pigment...

Hearing loss is one of the most prevalent human birth defects. Genetic factors contribute to the pathogenesis of deafness. It is estimated that one-third of deafness genes have already been identified. The current work is an attempt to find novel genes relevant to hearing loss using guilt-by-profiling and guilt-by-association bioinformatics analyses of approximately 80 known non-syndromic hered...

The pure white cat with luminous blue eyes is an attractive image familiar to many. These animals are well-known to be commonly affected by a congenital hereditary deafness that may affect one or both ears; the deafness is linked to the so-called W gene. Reports of this condition date back to at least the 1930s (Bamber, 1933), and many investigators have studied it in subsequent years (Wolff, 1...