Abstract:
:The defining neuropathological characteristics of Alzheimer's disease are abundant filamentous tau lesions and deposits of fibrillar amyloid beta peptides. Prominent filamentous tau inclusions and brain degeneration in the absence of beta-amyloid deposits are also hallmarks of neurodegenerative tauopathies exemplified by sporadic corticobasal degeneration, progressive supranuclear palsy, and Pick's disease, as well as by hereditary frontotemporal dementia and parkinsonism linked to chromosome 17 (FTDP-17). Because multiple tau gene mutations are pathogenic for FTDP-17 and tau polymorphisms appear to be genetic risk factors for sporadic progressive supranuclear palsy and corticobasal degeneration, tau abnormalities are linked directly to the etiology and pathogenesis of neurodegenerative disease. Indeed, emerging data support the hypothesis that different tau gene mutations are pathogenic because they impair tau functions, promote tau fibrillization, or perturb tau gene splicing, thereby leading to formation of biochemically and structurally distinct aggregates of tau. Nonetheless, different members of the same kindred often exhibit diverse FTDP-17 syndromes, which suggests that additional genetic or epigenetic factors influence the phenotypic manifestations of neurodegenerative tauopathies. Although these and other hypothetical mechanisms of neurodegenerative tauopathies remain to be tested and validated, transgenic models are increasingly available for this purpose, and they will accelerate discovery of more effective therapies for neurodegenerative tauopathies and related disorders, including Alzheimer's disease.
journal_name
Annu Rev Neuroscijournal_title
Annual review of neuroscienceauthors
Lee VM,Goedert M,Trojanowski JQdoi
10.1146/annurev.neuro.24.1.1121keywords:
subject
Has Abstractpub_date
2001-01-01 00:00:00pages
1121-59eissn
0147-006Xissn
1545-4126pii
24/1/1121journal_volume
24pub_type
杂志文章,评审abstract::The topographic assembly of neural circuits is dependent upon the generation of specific neuronal subtypes, each subtype displaying unique properties that direct the formation of selective connections with appropriate target cells. Studies of motor neuron development in the spinal cord have begun to elucidate the mole...
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abstract::The genetic approach, based on the study of inherited forms of deafness, has proven to be particularly effective for deciphering the molecular mechanisms underlying the development of the peripheral auditory system, the cochlea and its afferent auditory neurons, and how this system extracts the physical parameters of ...
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abstract::Long-term depression (LTD) is a lasting decrease in synaptic effectiveness that follows some types of electrical stimulation in the hippocampus. Two broad types of LTD may be distinguished. Heterosynaptic LTD can occur at synapses that are inactive, normally during high-frequency stimulation of a converging synaptic i...
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更新日期:2004-01-01 00:00:00
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更新日期:2012-01-01 00:00:00
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journal_title:Annual review of neuroscience
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更新日期:1996-01-01 00:00:00
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更新日期:1999-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:1999-01-01 00:00:00
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pub_type: 杂志文章,meta分析
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更新日期:2014-01-01 00:00:00
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