Scientists develop first blood test for autism

Posted on:18 Mar 2017 09:20:32
Scientists develop first blood test for autism
18 March 2017 Current Affairs: Scientists from US for first time have developed a blood test to accurately predict whether a child has autism spectrum disorder (ASD). 

The first of its kind of physiological test for analysing a blood sample opens the door to earlier diagnosis and potential future development of therapeutics.

To develop this test, scientists had investigated patterns of several metabolites and found significant differences between metabolites of children with ASD and those that are neurotypical. 

These differences allowed them to categorise whether an individual is on the autism spectrum. This algorithm by measuring 24 metabolites from a blood sample can tell whether or not an individual has Autism spectrum and even to some degree where on the spectrum they land.

Autism spectrum disorder (ASD) :  ASD is characterised as a developmental disability caused by differences in the brain. It is estimated to affect about 1.5% of individuals and The physiological basis for ASD is not known, but genetic and environmental factors are both believed to play a role. 

People with ASD may communicate, interact, behave, and learn in ways that are different from most other people. Early intervention can improve development, but currently diagnosis depends on clinical observation of behaviour, that is considered as an obstacle to early diagnosis and treatment.

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