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Microarray Analysis of Hippocampal CA1 Neurons Implicates Early Endosomal Dysfunction During Alzheimer's Disease Progression

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TLDR
The hypothesis that neuronal endosomal dysfunction is associated with preclinical AD is supported and increased endocytic pathway activity, driven by elevated rab GTPase expression, may result in long-term deficits in hippocampal neurotrophic signaling and represent a key pathogenic mechanism underlying AD progression.
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This article is published in Biological Psychiatry.The article was published on 2010-11-15 and is currently open access. It has received 240 citations till now. The article focuses on the topics: Endocytic cycle & Neurotrophin.

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Autophagy failure in Alzheimer's disease--locating the primary defect.

TL;DR: Current evidence strongly points to disruption of substrate proteolysis within autolysosomes for the principal mechanism underlying autophagy failure in AD, and attempts to restore more normal lysosomal proteolytic efficiency in mouse models of AD pathology have yielded promising therapeutic effects.
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Comparative lipidomic analysis of mouse and human brain with Alzheimer disease.

TL;DR: In this paper, a system-based approach was employed to determine the lipidome of brain tissues affected by Alzheimer disease using liquid chromatography-mass spectrometry to profile extracts from the prefrontal cortex, entorhinal cortex, and cerebellum of late-onset AD patients.
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The endosomal-lysosomal system: from acidification and cargo sorting to neurodegeneration.

TL;DR: The endosomal-lysosomal system is emerging as a central player in a host of neurodegenerative diseases, demonstrating potential roles which are likely to be revealed in pathogenesis and for viable therapeutic strategies.
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Disorders of lysosomal acidification—The emerging role of v-ATPase in aging and neurodegenerative disease

TL;DR: The unique vulnerability of neurons to persistent low level lysosomal dysfunction is discussed and recent clinical and experimental studies that link dysfunction of the v-ATPase complex to neurodegenerative diseases across the age spectrum are reviewed.
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Amyloid-Independent Mechanisms in Alzheimer's Disease Pathogenesis

TL;DR: The studies showing how amyloid-independent mechanisms cause defective endo-lysosomal trafficking, altered intracellular signaling cascades, or impaired neurotransmitter release and contribute to synaptic dysfunction and/or neurodegeneration, leading to dementia in AD are summarized.
References
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Genome-wide association study identifies variants at CLU and PICALM associated with Alzheimer's disease

Denise Harold, +86 more
- 01 Oct 2009 - 
TL;DR: A two-stage genome-wide association study of Alzheimer's disease involving over 16,000 individuals, the most powerful AD GWAS to date, produced compelling evidence for association with Alzheimer's Disease in the combined dataset.
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Alzheimer's disease: cell-specific pathology isolates the hippocampal formation.

TL;DR: Examination of temporal lobe structures from Alzheimer patients reveals a specific cellular pattern of pathology of the subiculum of the hippocampal formation and layers II and IV of the entorhinal cortex that isolates the hippocampus from much of its input and output and probably contributes to the memory disorder in Alzheimer patients.
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