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Genetic studies have linked many nonsyndromic deafness patients to mutations in genes coding for gap junction proteins. To better understand molecular identities of gap junctions in the cochlea, we investigated the expression of pannexins (Panxs). Western blot and reverse transcription-PCR detected the expression of Panx1 and Panx2. Immunolabeling localized(More)
The goal of sequencing the entire human genome for $1000 is almost in sight. However, the total costs including DNA sequencing, data management, and analysis to yield a clear data interpretation are unlikely to be lowered significantly any time soon to make studies on a population scale and daily clinical uses feasible. Alternatively, the targeted(More)
Mutations in connexins (Cxs), the constitutive protein subunits of gap junction (GJ) intercellular channels, are one of the most common human genetic defects that cause severe prelingual non-syndromic hearing impairments. Many subtypes of Cxs (e.g., Cxs 26, 29, 30, 31, 43) and pannexins (Panxs) are expressed in the cochlea where they contribute to the(More)
Mutations in genes coding for connexin26 (Cx26) and/or Cx30 are linked to approximately half of all cases of human autosomal nonsyndromic prelingual deafness. Cx26 and Cx30 are the two major Cx isoforms found in the cochlea, and they coassemble to form hybrid (heteromeric and heterotypic) gap junctions (GJs). This molecular arrangement implies that(More)
Mutations in Gjb2 and Gjb6 genes, coding for connexin26 (Cx26) and Cx30 proteins, respectively, are linked to about half of all cases of human autosomal non-syndromic prelingual deafness. Molecular mechanisms of the hearing impairments, however, are unclear. Most cochlear gap junctions (GJs) are co-assembled from Cx26 and Cx30 and deletion of either one of(More)
Connexin26 (Cx26) and connexin30 (Cx30) are two major protein subunits that co-assemble to form gap junctions (GJs) in the cochlea. Mutations in either one of them are the major cause of non-syndromic prelingual deafness in humans. Because the mechanisms of cochlear pathogenesis caused by Cx mutations are unclear, we investigated effects of Cx30 null(More)
OBJECTIVE Connexin26 (Cx26) and Cx30 are the major protein subunits forming gap junction (GJ) intercellular channels in the cochlea. Mutations in these 2 Cxs are the major cause of nonsyndromic early childhood deafness in humans. The underlying mechanism for cochlear abnormality is unclear. Here, we used targeted Cx30 gene deletion (Cx30-/-) mice to(More)
  • Testicular Hyaluronidase, Disclosure Syed, +6 authors Frcs
  • 2015
Touch MEdical MEdia " Pharmacologic or medical trabeculectomy " is a term first used in the 1970s. This describes a process by which the trabecular meshwork (TM) can be biochemically manipulated in order to reduce the outflow resistance and, thus, the intraocular pressure (IOP). The TM is now regarded as a complex organization of multiple components, which(More)
Vitamin C (VC) is a well-known antioxidant and strong free radical scavenger. Its antioxidant activity is useful for protection of cellular macromolecules, particularly DNA, from oxidative damage induced by different agents. This study was undertaken to evaluate the optimum level of VC in attenuating the chromosome aberrations (CAs) and DNA damage after(More)
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