Abstract：
:Alzheimer's disease (AD), can be described as a vascular disorder, is characterized by endothelial and platelet activation. One feature of activated cells is loss of lipid asymmetry, and membrane blebbing which cause microparticle (MP) formation. MPs increased under many pathological states and little information is available relating to their changes in AD. The purpose of this work was to characterize the time course of the endothelial-derived microparticles (EMPs) and platelet-derived microparticles (PMPs) alteration after intracerebroventricular (ICV) injection of streptozotocin (STZ). Rats were injected bilaterally with ICV-STZ/Saline, cerebrospinal fluid (CSF) and plasma EMPs (Annexin V(+) CD61(-)CD144(+)) and PMPs (Annexin V(+) CD61(+)CD144(-)) were analyzed with flow cytometry at 2 h, 4 h, 24 h, 4 days, 7 days, 14 days and 21 days after ICV-STZ/Saline administration. Cognitive impairment, malondialdehyde (MDA) level of hippocampus, plasma serotonin, and serum S100B were also assessed. We showed the elevation of CSF and plasma level of EMPs and PMPs, which may represent a proinflammatory and prothrombotic status. These alterations were simultaneous with the hippocampal MDA rise, plasma serotonin increment, and S100B decrement, 7 days after ICV-STZ administration and precede the onset of cognitive impairment. Understanding the profile of MP changes in CSF or plasma as biomarkers from tissues undergoing activation or damage, may be helpful in prediction or early diagnosis of AD.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Hosseinzadeh S,Zahmatkesh M,Zarrindast MR,Hassanzadeh GR,Karimian M,Sarrafnejad Adoi
10.1016/j.bbr.2013.09.019subject
Has Abstractpub_date
2013-11-01 00:00:00pages
503-11eissn
0166-4328issn
1872-7549pii
S0166-4328(13)00569-Xjournal_volume
256pub_type
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