0000000000365447

AUTHOR

Tamar Ben-yosef

showing 2 related works from this author

Beneficial Read-Through of aUSH1CNonsense Mutation by Designed Aminoglycoside NB30 in the Retina

2010

PURPOSE. The human Usher syndrome (USH) is the most frequent cause of inherited combined deaf-blindness. USH is clinically and genetically heterogeneous, assigned to three clinical types. The most severe type is USH1, characterized by profound inner ear defects and retinitis pigmentosa. Thus far, no effective treatment for the ophthalmic component of USH exists. The p.R31X nonsense mutation in USH1C leads to a disease causing premature termination of gene translation. Here, we investigated the capability of the novel synthetic aminoglycoside NB30 for the translational read-through of the USH1C-p.R31X nonsense mutation as a retinal therapy option. METHODS. Read-through of p.R31X by three com…

ParomomycinUsher syndromeBlotting WesternNonsense mutationCell Culture TechniquesGene ExpressionCell Cycle ProteinsParomomycinBiologyPharmacologyTransfectionRetinaMice03 medical and health scienceschemistry.chemical_compound0302 clinical medicineRetinitis pigmentosaIn Situ Nick-End Labelingotorhinolaryngologic diseasesmedicineAnimalsHumansAdaptor Proteins Signal Transducing030304 developmental biologyGenetics0303 health sciencesRetinaDose-Response Relationship DrugAminoglycosideRetinalmedicine.disease3. Good healthMice Inbred C57BLCytoskeletal ProteinsAminoglycosidesElectroporationHEK293 Cellsmedicine.anatomical_structureMicroscopy FluorescencechemistryCodon NonsenseProtein BiosynthesisGentamicinGentamicins030217 neurology & neurosurgerymedicine.drugInvestigative Opthalmology & Visual Science
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PRCD is concentrated at the base of photoreceptor outer segments and is involved in outer segment disc formation.

2019

Abstract Mutations of the PRCD gene are associated with rod-cone degeneration in both dogs and humans. Prcd is expressed in the mouse eye as early as embryonic day 14. In the adult mouse retina PRCD is expressed in the outer segments of both rod and cone photoreceptors. Immunoelectron microscopy revealed that PRCD is located at the outer segment rim, and that it is highly concentrated at the base of the outer segment. Prcd-knockout mice present with progressive retinal degeneration, starting at 20 weeks of age and onwards. This process is reflected by a significant and progressive reduction of both scotopic and photopic electroretinographic responses, and by thinning of the retina, and spec…

Retinal degenerationMalegenetic structuresImmunoelectron microscopyRetinal Pigment EpitheliumBiologyRetinachemistry.chemical_compoundMicePhagocytosisGeneticsmedicineAnimalsScotopic visionOuter nuclear layerEye ProteinsMolecular BiologyGenetics (clinical)Mice KnockoutRetinaRetinal DegenerationMembrane ProteinsRetinalGeneral Medicinemedicine.diseaseRod Cell Outer SegmentPhotoreceptor outer segmenteye diseasesCell biologyMice Inbred C57BLmedicine.anatomical_structurechemistryRetinal Cone Photoreceptor CellsFemalesense organsCone-Rod DystrophiesRetinitis PigmentosaPhotopic visionSignal TransductionHuman molecular genetics
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