ANI
22 Jul 2019, 23:57 GMT+10
Washington D.C. [USA], July 22 (ANI): A recent study has uncovered an innovative approach to possibly slow the progression of epilepsy and reduce seizures in newborns.
The study was published in the journal, 'Journal of Neuroscience.'Researchers at The University of Texas at San Antonio have successfully removed new neurons that have developed after a brain injury to reduce seizures in mice. They believe that the technique could potentially reduce post-injury epilepsy.
Jenny Hsieh, lead author of the study said: "We already know that new neurons contribute to epilepsy, but we didn't know if we could target them post-injury after seizures have already started. Having the ability to do this would be clinically relevant because the early warning signs of epilepsy are the seizures themselves."People who experience traumatic brain injury as a consequence of gun violence or automobile accidents are at higher risk of developing seizures. During a seizure, there is a sudden abnormal electrical disturbance in the brain that results in various symptoms: strange movement of the head, body, arms, legs or eyes such as stiffening or shaking. Unresponsiveness and staring, chewing, lip-smacking and even experiencing strange visual images are also indicative of a seizure.
According to the U.S. Centers for Disease and Control, TBI-related emergency department visits, hospitalizations and deaths have increased by 53 per cent. Those who suffer a seizure a week after suffering head trauma are 80 per cent more likely to suffer another post-trauma epileptic attack.
Seizures usually happen where there is a scar in the brain as a consequence of the injury. New neurons generated following a brain injury often do not migrate or develop normally. If left untreated, these cells may contribute to the development of epilepsy.
The researchers of the study have removed new neurons that formed during the eight weeks following a seizure in mice. The UTSA team then monitored seizure activity in the mice and observed that the treated mice experienced a 65 per cent reduction in seizures compared to untreated mice. This effect required more than four weeks of continuous treatment.
"Now we know we can remove new neurons after the initial seizures," said Hsieh. "While we cannot stop the first seizures, we can try to prevent secondary seizures. This is very exciting and may lead to new therapeutic strategies."Although these findings support a role for new neurons in the onset of epilepsy, they also suggest additional factors are involved.
"We found that once the treatment stopped, the seizure reduction was not permanent. This could be due to abnormal changes in the epileptic brain, such as chronic inflammation or reactive astrocytes, affecting the development of new neurons. We're looking into those possibilities now," said Hsieh. (ANI)Get a daily dose of Manufacturing Mirror news through our daily email, its complimentary and keeps you fully up to date with world and business news as well.
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