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dc.contributor.authorNattinee Jantaratnotaien_US
dc.contributor.authorJae K. Ryuen_US
dc.contributor.authorClaudia Schwaben_US
dc.contributor.authorPatrick L. McGeeren_US
dc.contributor.authorJames G. McLarnonen_US
dc.contributor.otherThe University of British Columbiaen_US
dc.contributor.otherMahidol Universityen_US
dc.date.accessioned2018-05-03T07:59:04Z-
dc.date.available2018-05-03T07:59:04Z-
dc.date.issued2011-11-24en_US
dc.identifier.citationInternational Journal of Alzheimer's Disease. (2011)en_US
dc.identifier.issn20900252en_US
dc.identifier.other2-s2.0-81555214519en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=81555214519&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/11428-
dc.description.abstractThe validity of amyloid-β peptide (A1-42) intrahippocampal injection, as an animal model of Alzheimer's disease (AD), has previously been considered in terms of inflammatory reactivity and neuronal damage. In this work, we have extended the testing of the animal model to vasculature by comparison of selected properties of microvessels in vivo with those in human AD brain tissue. The injection of Aβ 1-42 , relative to control PBS (phosphate buffered saline), increased the mean number of microvessels and diminished the mean length of microvessels in the molecular layer of dentate gyrus. The animal model showed Aβ 1-42 , but not PBS, injection was associated with abnormalities in morphology of microvessels which were characterized as looping, fragmented, knob-like, uneven, and constricted. In particular, numbers of constricted microvessels, defined as vessels with diameters less than 3m, were considerably enhanced for Aβ 1-42 , compared to PBS, injection. In comparison, human AD brain demonstrated an elevated number of microvessels with a diminished mean length relative to nondemented (ND) brain. Additionally, microvessel perturbations in AD brain showed a similar pattern of morphological abnormalities to those observed in A1-42-injected rat hippocampus. Constricted microvessels were a prominent feature of AD brain but were rarely observed in ND tissue. These results provide the first evidence that a peptide-injection animal model exhibits a commonality in perturbations of microvessels compared with those evident in AD brain. © 2011 Nattinee Jantaratnotai et al.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=81555214519&origin=inwarden_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.subjectMedicineen_US
dc.subjectNeuroscienceen_US
dc.titleComparison of vascular perturbations in an Aβ-injected animal model and in AD brainen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.4061/2011/918280en_US
Appears in Collections:Scopus 2011-2015

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