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المؤلفMissoum A.
تاريخ الإتاحة2020-02-05T08:54:07Z
تاريخ النشر2018
اسم المنشورUkrainian Biochemical Journal
المصدرScopus
الرقم المعياري الدولي للكتاب24094943
معرّف المصادر الموحدhttp://dx.doi.org/10.15407/ubj90.06.005
معرّف المصادر الموحدhttp://hdl.handle.net/10576/12807
الملخصGap Junction Beta 2 (GJB2) gene mutations are the leading causes of hereditary hearing impairment. This gene encodes various gap junction proteins such as connexin 26 (Cx26), which facilitate K+ homeostasis inside the cochlea in the inner ear. It is as well identified in non-syndromic deafness, which is not accompanied with other abnormalities in the body and contributes to 75% of the cases. The protein connexin 26 is composed of four transmembrane helices and two extracellular loops, in which each has three specific, highly preserved, cysteine residues held by intramolecular disulfide bridges. Moreover, 35delG and Cys169Tyr are the most common mutations of GJB2, where the former results in a shortened Cx26 protein due to the termination of coding sequence, and the latter leads to a destabilized protein structure as one of the three cysteine residuals that are affected. This short review gives further insights on how these two types of mutations lead to hearing loss. 2018 Missoum A.
اللغةen
الناشرPalladin Institute of Biochemistry of the NASU
الموضوع35delG
Connexin 26
Cys169Tyr
Gap Junction Beta 2 (GJB2) gene
Hereditary deafness
Non-syndromic
العنوانThe role of gene gjb2 and connexin 26 in hearing impairment
النوعArticle Review
الصفحات5-Nov
رقم العدد6
رقم المجلد90
dc.accessType Open Access


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