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2025 ; 15
(1
): 403
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Traumatic brain injury exacerbates alcohol consumption and neuroinflammation with
decline in cognition and cholinergic activity
#MMPMID41102170
Gangal H
; Iannucci J
; Huang Y
; Chen R
; Purvines W
; Davis WT
; Rivera A
; Johnson G
; Xie X
; Mukherjee S
; Vierkant V
; Mims K
; O'Neill K
; Wang X
; Shapiro LA
; Wang J
Transl Psychiatry
2025[Oct]; 15
(1
): 403
PMID41102170
show ga
Traumatic brain injury (TBI) is a global health challenge that substantially
contributes to disability and is responsible for 30% of injury-related deaths.
Annually, over 50 million TBIs occur worldwide, with many adult TBI patients in
emergency departments presenting with alcohol in their system. TBI is also a
known risk factor for alcohol abuse, yet its interaction with alcohol consumption
remains poorly understood. In this study, we demonstrate that the fluid
percussion injury (FPI) model of TBI in male C57BL/6 mice significantly increases
alcohol consumption and impairs cognitive function. FPI markedly reduced the
number and activity of striatal cholinergic interneurons (CINs) while increasing
striatal microglial cells. Notably, depleting microglial cells by systemic PLX
5622 administration enhanced cholinergic activity, as measured by
electrophysiology and acetylcholine biosensing. These findings suggest that TBI
promotes alcohol consumption and impairs cognitive abilities through microglia
activation and reduced cholinergic function. This research provides critical
insight into the mechanisms linking TBI with increased alcohol use and cognitive
deficits, potentially guiding future therapeutic strategies.