Abstract:
:The neuropathological hallmarks of Alzheimer's disease (AD) include the presence of extracellular amyloid-beta peptide (Abeta) in the form of amyloid plaques in the brain parenchyma and neuronal loss. The mechanism associated with neuronal death by amyloid plaques is unclear but oxidative stress and glial activation has been implicated. Human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) are being scrutinized as a potential therapeutic tool to prevent various neurodegenerative diseases including AD. However, the therapeutic impact of hUCB-MSCs in AD has not yet been reported. Here we undertook in vitro work to examine the potential impact of hUCB-MSCs treatment on neuronal loss using a paradigm of cultured hippocampal neurons treated with Abeta. We confirmed that hUCB-MSCs co-culture reduced the hippocampal apoptosis induced by Abeta treatment. Moreover, in an acute AD mouse model to directly test the efficacy of hUCB-MSCs treatment on AD-related cognitive and neuropathological outcomes, we demonstrated that markers of glial activation, oxidative stress and apoptosis levels were decreased in AD mouse brain. Interestingly, hUCB-MSCs treated AD mice demonstrated cognitive rescue with restoration of learning/memory function. These data suggest that hUCB-MSCs warrant further investigation as a potential therapeutic agent in AD.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Lee HJ,Lee JK,Lee H,Shin JW,Carter JE,Sakamoto T,Jin HK,Bae JSdoi
10.1016/j.neulet.2010.06.045subject
Has Abstractpub_date
2010-08-30 00:00:00pages
30-5issue
1eissn
0304-3940issn
1872-7972pii
S0304-3940(10)00805-0journal_volume
481pub_type
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