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Article Dans Une Revue International Journal of Molecular Sciences Année : 2021

Zebrafish Models to Study New Pathways in Tauopathies

Résumé

Tauopathies represent a vast family of neurodegenerative diseases, the most well-known of which is Alzheimer’s disease. The symptoms observed in patients include cognitive deficits and locomotor problems and can lead ultimately to dementia. The common point found in all these pathologies is the accumulation in neural and/or glial cells of abnormal forms of Tau protein, leading to its aggregation and neurofibrillary tangles. Zebrafish transgenic models have been generated with different overexpression strategies of human Tau protein. These transgenic lines have made it possible to highlight Tau interacting factors or factors which may limit the neurotoxicity induced by mutations and hyperphosphorylation of the Tau protein in neurons. Several studies have tested neuroprotective pharmacological approaches. On few-days-old larvae, modulation of various signaling or degradation pathways reversed the deleterious effects of Tau mutations, mainly hTauP301L and hTauA152T. Live imaging and live tracking techniques as well as behavioral follow-up enable the analysis of the wide range of Tau-related phenotypes from synaptic loss to cognitive functional consequences.
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hal-03467317 , version 1 (12-07-2022)

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Clément Barbereau, Nicolas Cubedo, Tangui Maurice, Mireille Rossel. Zebrafish Models to Study New Pathways in Tauopathies. International Journal of Molecular Sciences, 2021, 22 (9), pp.4626. ⟨10.3390/ijms22094626⟩. ⟨hal-03467317⟩
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