After my PhD in Neuroscience from the University of Lyon-I in 1995, I joined the Institut Pasteur where resorting to identified deafness genes as an entry point has enabled us to enlighten both fundamental and medical aspects of hearing functioning and related disorders. Multidisciplinary approaches owing to the biochemical properties of the encoded proteins, identification of their molecular networks, animal modelling of the disease have provided major cues for understanding how the hearing organ develops and functions, illustrated by the more than 50 high-level published papers. Over the last 20 years, I contributed to the elucidation of the disease mechanisms of dozen deafness genes, several of which are involved in Usher syndrome (deafness and blindness in humans) (Jean-Valade Prize 2005, Fond Mazet-Danet Fondation de France, 2006; Chaire of Excellence Charles Nicolle, Institut Pasteur (2017-2019). In the team “Progressive Sensory Disorders”, the member’s current efforts are focused on late-onset and/or progressive hearing and vision impairments, aiming to i) elucidate the underlying molecular mechanisms, and ii) identify therapeutic targets to delay, prevent and/or cure progressive hearing and/or vision loss in animal preclinical models, and accelerate their transfer into clinics.
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Timeline
Transversal Projects
Projects
CV
CV (2 pages): https://research.pasteur.fr/wp-content/uploads/2015/05/research_pasteur-aziz-el-amraoui-cv-el-amraoui-2017.pdf
List of publications: https://research.pasteur.fr/wp-content/uploads/2015/05/research_pasteur-aziz-el-amraoui-el-amraoui-list-of-publications-2017.pdf
Summaries of some last achievements (2012-2017): https://research.pasteur.fr/wp-content/uploads/2015/05/research_pasteur-aziz-el-amraoui-el-amraoui-past-achievements-2012-2017.pdf
Publications
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2018Clarin-1 gene transfer rescues auditory synaptopathy in model of Usher syndrome, J. Clin. Invest. 2018 Jul;.
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2018Variants in CIB2 cause DFNB48 and not USH1J, Clin. Genet. 2018 Apr;93(4):812-821.
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2018Cone degeneration is triggered by the absence of USH1 proteins but prevented by antioxidant treatments, Sci Rep 2018 Jan;8(1):1968.
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2017CIB2, defective in isolated deafness, is key for auditory hair cell mechanotransduction and survival, EMBO Mol Med 2017 Dec;9(12):1711-1731.
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2017Usher syndrome type 1-associated cadherins shape the photoreceptor outer segment, J. Cell Biol. 2017 Jun;216(6):1849-1864.
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2017Spectrin βV adaptive mutations and changes in subcellular location correlate with emergence of hair cell electromotility in mammalians, Proc. Natl. Acad. Sci. U.S.A. 2017 Feb;114(8):2054-2059.
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2016Cadherins in the auditory sensory organ, Shintaro T. Suzuki & Shinji Hirano (eds.), In The Cadherin Superfamily, Springer, Japan. pp 341-361 (2016).
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2016Novel gene function revealed by mouse mutagenesis screens for models of age-related disease, Nat Commun 2016 Aug;7:12444.
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2016An innovative strategy for the molecular diagnosis of Usher syndrome identifies causal biallelic mutations in 93% of European patients, Eur. J. Hum. Genet. 2016 Dec;24(12):1730-1738.
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2016Class III myosins shape the auditory hair bundles by limiting microvilli and stereocilia growth, J. Cell Biol. 2016 Jan;212(2):231-44.
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