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Scientists Find Connection Between Gene Mutation and Key Symptoms of Autism

RATE THIS! +26
Posted in Science on 27th Apr, 2014 04:16 AM by AlexMuller

Scientists have shown that mutations in a gene that is disrupted in some individuals with autism results in too much growth throughout the brain, yet surprisingly, specific problems in social interactions, at least in mouse models that mimic this risk factor in humans.

 
“What was striking is that these were basically normal animals in terms of behavior, but there were consistent deficits in tests of social interaction and recognition, which approximate a major symptom of autism,” said Damon Page, a TSRI biologist who led the study.
 
“This suggests that when most parts of the brain are overgrown, the brain somehow adapts to it with minimal effects on behavior in general. However, brain circuits relevant to social behavior are more vulnerable or less able to tolerate this overgrowth.”
 
The study, which focuses on the gene phosphatase and tensin homolog (PTEN), was recently published online ahead of print by the journal Human Molecular Genetics.
 
Autism spectrum disorder is a neurodevelopmental disorder involving a range of symptoms and disabilities involving social deficits and communication difficulties, repetitive behaviors and interests, and sometimes cognitive delays.
 
The disorder affects in approximately one percent of the population; some 80 percent of those diagnosed are male.

Tags: brainautismgenesgeneticsmental health

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Comments

Author: Guest
Posted: 2014-04-27
+2
It is quite surprising that focus is here on one single gene as autism is very complex disorder - interestingly PTEN has a very important role in cancer where it in fact guards cells from becoming cancerous Reply
Author: Guest
Posted: 2014-06-23
+0
That is true of a lot of viruses/diseases the more we becmoe immune, the less chance it has to survive. I don't blame you for not wanting to shoot yourself up with just anything Rob and I have not received the shot either. I guess I'm kind of contradicting myself Reply
Author: Guest
Posted: 2016-12-26
+0
JÁ TODOS PERCEBEMOS QUE ESTES SECRETOS DE PACOTILHA PAGOS PELOS CONTRIBUINTES ARRUINADOS DE UM ESTADO EM BANCARROTA NÃO PROTEGEM PORTUGAL E OS PORTUGUESES DAS AMEAÇAS REAIS MAS,PELO CORSÃTNIO,RÃO ELES PRÓPRIOS UMA DAS AMEAÇAS. Reply


 

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