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https://hdl.handle.net/10316/8401
Título: | Mechanisms of neurodegeneration in Huntington's disease | Autor: | Gil, Joana M. Rego, Ana Cristina |
Data: | 2008 | Citação: | European Journal of Neuroscience. 27:11 (2008) 2803-2820 | Resumo: | Huntington's disease (HD) is caused by an expansion of cytosine2013adenine2013guanine (CAG) repeats in the huntingtin gene, which leads to neuronal loss in the striatum and cortex and to the appearance of neuronal intranuclear inclusions of mutant huntingtin. Huntingtin plays a role in protein trafficking, vesicle transport, postsynaptic signaling, transcriptional regulation, and apoptosis. Thus, a loss of function of the normal protein and a toxic gain of function of the mutant huntingtin contribute to the disruption of multiple intracellular pathways. Furthermore, excitotoxicity, dopamine toxicity, metabolic impairment, mitochondrial dysfunction, oxidative stress, apoptosis, and autophagy have been implicated in the progressive degeneration observed in HD. Nevertheless, despite the efforts of a multidisciplinary scientific community, there is no cure for this devastating neurodegenerative disorder. This review presents an overview of the mechanisms that may contribute for HD pathogenesis. Ultimately, a better understanding of these mechanisms will lead to the development of more effective therapeutic targets. | URI: | https://hdl.handle.net/10316/8401 | DOI: | 10.1111/j.1460-9568.2008.06310.x | Direitos: | openAccess |
Aparece nas coleções: | FMUC Medicina - Artigos em Revistas Internacionais |
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