tailieunhanh - Báo cáo khoa học: Nature, nurture and neurology: gene–environment interactions in neurodegenerative disease

Neurodegenerative disorders, such as Huntington’s, Alzheimer’s, and Parkinson’s diseases, affect millions of people worldwide and currently there are few effective treatments and no cures for these diseases. Transgenic mice expressing human transgenes for huntingtin, amyloid precursor protein, and other genes associated with familial forms of neurodegenerative disease in humans provide remarkable tools for studying neurodegeneration because they mimic many of the pathological and behavioural features of the human conditions. . | FEBS Journal REVIEW ARTICLE Nature nurture and neurology gene-environment interactions in neurodegenerative disease FEBS Anniversary Prize Lecture delivered on 27 June 2004 at the 29th FEBS Congress in Warsaw Tara L. Spires1 and Anthony J. Hannan2 1 MassGenerallnstitute for Neurodegenerative Disease Massachusetts GeneralHospitaland Harvard Medical School Charlestown MA USA 2 Howard Florey Institute University of Melbourne Australia Keywords Alzheimer BDNF environmental enrichment Huntington neurodegeneration Correspondence A. J. Hannan Howard Florey Institute National Neuroscience Facility University of Melbourne Parkville VIC 3010 Australia Fax 61 39348 1707 Tel 61 38344 7316 E-mail ajh@ Received 21 January 2005 accepted 21 March 2005 doi Neurodegenerative disorders such as Huntington s Alzheimer s and Parkinson s diseases affect millions of people worldwide and currently there are few effective treatments and no cures for these diseases. Transgenic mice expressing human transgenes for huntingtin amyloid precursor protein and other genes associated with familial forms of neurodegenerative disease in humans provide remarkable tools for studying neurodegeneration because they mimic many of the pathological and behavioural features of the human conditions. One of the recurring themes revealed by these various transgenic models is that different diseases may share similar molecular and cellular mechanisms of pathogenesis. Cellular mechanisms known to be disrupted at early stages in multiple neurodegenerative disorders include gene expression protein interactions manifesting as pathological protein aggregation and disrupted signaling synaptic function and plasticity. Recent work in mouse models of Huntington s disease has shown that enriching the environment of transgenic animals delays the onset and slows the progression of Huntington s disease-associated motor and cognitive symptoms. Environmental enrichment is .

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