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USF and VA researchers find long-term consequences for those suffering traumatic brain injury
Date:1/4/2013

TAMPA, Fla. (Jan. 4, 2013) Researchers from the University of South Florida and colleagues at the James A. Haley Veterans' Hospital studying the long-term consequences of traumatic brain injury (TBI) using rat models, have found that, overtime, TBI results in progressive brain deterioration characterized by elevated inflammation and suppressed cell regeneration. However, therapeutic intervention, even in the chronic stage of TBI, may still help prevent cell death.

Their study is published in the current issue of the journal PLOS ONE.

"In the U.S., an estimated 1.7 million people suffer from traumatic brain injury," said Dr. Cesar V. Borlongan, professor and vice chair of the department of Neurosurgery and Brain Repair at the University of South Florida (USF). "In addition, TBI is responsible for 52,000 early deaths, accounts for 30 percent of all injury-related deaths, and costs approximately $52 billion yearly to treat."

While TBI is generally considered an acute injury, secondary cell death caused by neuroinflammation and an impaired repair mechanism accompany the injury over time, said the authors. Long-term neurological deficits from TBI related to inflammation may cause more severe secondary injuries and predispose long-term survivors to age-related neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease and post-traumatic dementia.

Since the U.S. military has been involved in conflicts in Iraq and Afghanistan, the incidence of traumatic brain injury suffered by troops has increased dramatically, primarily from improvised explosive devices (IEDs), according to Martin Steele, Lieutenant General, U.S. Marine Corps (retired), USF associate vice president for veterans research, and executive director of Military Partnerships. In response, the U.S. Veterans Administration has increasingly focused on TBI research and treatment.

"Progressive injury to hippocampal, cortical and thalamic reg
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Contact: Judy Lowry
jhlowry@usf.edu
813-974-3181
University of South Florida (USF Innovation)
Source:Eurekalert

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