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Brain Sci. 2018, 8(1), 11; https://doi.org/10.3390/brainsci8010011

Neurodegeneration and Sensorimotor Deficits in the Mouse Model of Traumatic Brain Injury

Laboratory of CNS Injury and Repair, Neuroscience Institute, JFK Medical Center, 65 James St, Edison, NJ 08820, USA
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Received: 19 November 2017 / Revised: 27 December 2017 / Accepted: 4 January 2018 / Published: 6 January 2018
(This article belongs to the Special Issue Novel Mechanisms and Strategies for Neural Repair)
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Abstract

Traumatic brain injury (TBI) can result in persistent sensorimotor and cognitive deficits, which occur through a cascade of deleterious pathophysiological events over time. In this study, we investigated the hypothesis that neurodegeneration caused by TBI leads to impairments in sensorimotor function. TBI induces the activation of the caspase-3 enzyme, which triggers cell apoptosis in an in vivo model of fluid percussion injury (FPI). We analyzed caspase-3 mediated apoptosis by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining and poly (ADP-ribose) polymerase (PARP) and annexin V western blotting. We correlated the neurodegeneration with sensorimotor deficits by conducting the animal behavioral tests including grid walk, balance beam, the inverted screen test, and the climb test. Our study demonstrated that the excess cell death or neurodegeneration correlated with the neuronal dysfunction and sensorimotor impairments associated with TBI. View Full-Text
Keywords: traumatic brain injury; fluid percussion injury; neurodegeneration; apoptosis; sensorimotor deficit traumatic brain injury; fluid percussion injury; neurodegeneration; apoptosis; sensorimotor deficit
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Bhowmick, S.; D‘Mello, V.; Ponery, N.; Abdul-Muneer, P.M. Neurodegeneration and Sensorimotor Deficits in the Mouse Model of Traumatic Brain Injury. Brain Sci. 2018, 8, 11.

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