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2015 ; 5
(ä): 14308
Nephropedia Template TP
gab.com Text
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English Wikipedia
T cell immunity to glatiramer acetate ameliorates cognitive deficits induced by
chronic cerebral hypoperfusion by modulating the microenvironment
#MMPMID26391515
Chen L
; Yao Y
; Wei C
; Sun Y
; Ma X
; Zhang R
; Xu X
; Hao J
Sci Rep
2015[Sep]; 5
(ä): 14308
PMID26391515
show ga
Vascular dementia (VaD) is a progressive and highly prevalent disorder. However,
in a very large majority of cases, a milieu of cellular and molecular events
common for multiple neurodegenerative diseases is involved. Our work focused on
whether the immunomodulating effect of glatiramer acetate (GA) could restore
normalcy to the microenvironment and ameliorate cognitive decline induced by
chronic cerebral hypoperfusion. We assessed cognitive function by rats'
performance in a Morris water maze (MWM), electrophysiological recordings and by
pathologic changes. The results suggest that GA reduced cognitive deficits by
reestablishing an optimal microenvironment such as increasing expression of the
brain-derived neurotrophic factor (BDNF) and modulating the Th1/Th2 cytokine
balance in the hippocampus. When microenvironmental homeostasis is restored,
cholinergic activity becomes involved in ameliorating cellular damage. Since
vaccination with GA can boost "protective autoimmunity" in this way, a similar
strategy may have therapeutic potential for alleviating VaD disease.