Selective neuronal degeneration induced by soluble oligomeric amyloid beta protein.

Hyeon Jin Kim, Soo Cheon Chae, Dae Kwon Lee, Brett Chromy, Sam Cheol Lee, Yeong Chul Park, William L. Klein, Grant A. Krafft, Seong Tshool Hong

Research output: Contribution to journalArticle

176 Citations (Scopus)

Abstract

The prevailing amyloid hypothesis for Alzheimer's disease (AD) holds that amyloid beta-protein (Abeta) causes neuronal degeneration by forming neurotoxic fibrillar structures. Yet, many aspects of AD pathology and symptoms are not well explained by this hypothesis. Here, we present evidence that neurotoxicity of soluble oligomeric Abeta closely corresponds to the selective neurodegeneration so distinctly manifest in AD. Selectivity was first observed in vitro, where only the human central nervous system neuronal cells were susceptible to soluble oligomeric Abeta. Furthermore, in mouse cerebral slice treated with soluble oligomeric Abeta, selective regiospecific toxicity was evident in the hippocampal CA1, a division important for memory, but not in the CA3 subfield. The fibrillar Abeta, however, killed neurons in all regions of the cerebral slice cultures and also in cerebellar slices. Remarkably, even at the highest soluble oligomeric Abeta concentrations, cerebellar neurons were completely spared, consistent with one of the hallmark features of AD pathology. Our observation of the selective neurodegeneration of soluble oligomeric Abeta to neurons involved in cognitive function may provide a new opportunity for the development of an effective AD therapy as well as elucidating the pathological mechanism of AD.

Original languageEnglish (US)
Pages (from-to)118-120
Number of pages3
JournalThe FASEB journal : official publication of the Federation of American Societies for Experimental Biology
Volume17
Issue number1
StatePublished - 2003
Externally publishedYes

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Amyloid beta-Peptides
Alzheimer Disease
Neurons
Pathology
Neurology
Amyloid
Cognition
Toxicity
Central Nervous System
Observation
Data storage equipment

Cite this

Selective neuronal degeneration induced by soluble oligomeric amyloid beta protein. / Kim, Hyeon Jin; Chae, Soo Cheon; Lee, Dae Kwon; Chromy, Brett; Lee, Sam Cheol; Park, Yeong Chul; Klein, William L.; Krafft, Grant A.; Hong, Seong Tshool.

In: The FASEB journal : official publication of the Federation of American Societies for Experimental Biology, Vol. 17, No. 1, 2003, p. 118-120.

Research output: Contribution to journalArticle

Kim, HJ, Chae, SC, Lee, DK, Chromy, B, Lee, SC, Park, YC, Klein, WL, Krafft, GA & Hong, ST 2003, 'Selective neuronal degeneration induced by soluble oligomeric amyloid beta protein.', The FASEB journal : official publication of the Federation of American Societies for Experimental Biology, vol. 17, no. 1, pp. 118-120.
Kim, Hyeon Jin ; Chae, Soo Cheon ; Lee, Dae Kwon ; Chromy, Brett ; Lee, Sam Cheol ; Park, Yeong Chul ; Klein, William L. ; Krafft, Grant A. ; Hong, Seong Tshool. / Selective neuronal degeneration induced by soluble oligomeric amyloid beta protein. In: The FASEB journal : official publication of the Federation of American Societies for Experimental Biology. 2003 ; Vol. 17, No. 1. pp. 118-120.
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