Saturday September 21, 2019

Know Which Gene in Your Body Could Help Brain Heal Itself After A Stroke

It is unlikely that gene therapy delivered by viruses will become the go-to treatment for strokes.

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Jung further added that not all inflammation in the brain is bad as it plays a role in fighting infection and helps clear away dead tissue. However, inflammation for a long duration could lead to the death of neurons. Pixabay

Researchers have found that a gene could help the brain heal itself after a stroke or any other head-related injuries.

The study, published in Cell Reports, suggested that a dose of the TRIM9 gene could reduce brain swelling after stroke, prevent damage following a blow to the head (concussion) or encephalitis, which is the inflammation of the brain.

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The is because TRIM9 is abundant in the youthful brain but grows scarce with age. Pixabay

In addition, in a lab model, the researchers from the University of Southern California found that older brains with low TRIM9 levels — or engineered brains missing the TRIM9 gene entirely — were prone to extensive swelling following a stroke.

The is because TRIM9 is abundant in the youthful brain but grows scarce with age.

On the other hand, when the team used a harmless virus to carry a dose of the gene directly into TRIM9-deficient brains, the swelling decreased dramatically and recovery improved, the findings further revealed.

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The study, published in Cell Reports, suggested that a dose of the TRIM9 gene could reduce brain swelling after stroke, prevent damage following a blow to the head (concussion) or encephalitis, which is the inflammation of the brain. Pixabay

It is unlikely that gene therapy delivered by viruses will become the go-to treatment for strokes, head injuries or encephalitis as the best shot at treating stroke is within the first 30 minutes to one hour, said lead author Jae Jung at the varsity.

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Jung further added that not all inflammation in the brain is bad as it plays a role in fighting infection and helps clear away dead tissue. However, inflammation for a long duration could lead to the death of neurons. (IANS)

 

 

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Tea Drinkers Have Healthier Brain Functioning, Research Suggests

Tea drinkers have better organised brain regions and this is associated with healthy cognitive function as compared to non-tea drinkers, research suggests

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Green Tea, Brain, Research, Tea
Matcha is the finely ground powder of new leaves from shade-grown (90 per cent shade) Camellia sinensis green tea bushes. Wikimedia Commons

Research suggests that regular tea drinkers have better organised brain regions and this is associated with healthy cognitive function as compared to non-tea drinkers.

“Our results offer the first evidence of positive contribution of tea drinking to brain structure, and suggest that drinking tea regularly has a protective effect against age-related decline in brain organisation,” according to a study authored by Feng Lei, Assistant Professor from the National University of Singapore.

Previous researchers have demonstrated that tea intake is beneficial to human health and the positive effects include mood improvement and cardiovascular disease prevention.

Green Tea, Brain, Research, Tea
Tea drinkers have better organised brain regions and this is associated with healthy cognitive function as compared to non-tea drinkers. Wikimedia Commons

For the study published in the journal Aging, the research team recruited 36 adults aged 60 and above and gathered data about their health, lifestyle and psychological well-being.

The elderly participants also had to undergo neuropsychological tests and magnetic resonance imaging (MRI).

The study was carried out from 2015 to 2018.

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Upon analysing the participants’ cognitive performance and imaging results, the research team found that individuals who consumed either green tea, oolong tea, or black tea at least four times a week for about 25 years had brain regions that were interconnected in a more efficient way.

“We have shown in our previous studies that tea drinkers had better cognitive function as compared to non-tea drinkers,” Lei said.

“Our current results relating to brain network indirectly support our previous findings by showing that the positive effects of regular tea drinking are the result of improved brain organisation brought about by preventing disruption to interregional connections,” he added. (IANS)