Currently, a saliva test cannot officially diagnose autism, but researchers are exploring its potential as a future diagnostic tool.
Recent studies, including one from Clarkson University, have found that saliva may contain biological markers such as RNA molecules and microbiome patterns that differ in children with Autism Spectrum Disorder (ASD). These findings suggest that a non-invasive saliva test could one day help identify autism earlier and more accurately.
However, these tests are still in the research phase and not used for clinical diagnosis. If parents suspect autism, the best next step is to consult a developmental pediatrician or psychologist for a behavioral evaluation or use a trusted autism test portal for an initial screening before seeking professional help.
A recent study appearing in Autism Research, released by Clarkson University, showed that protein levels found among autistic children vary significantly from normal children. This finding is the very first of its kind.
According to the lead researcher Costel C. Darie, an assistant professor (of Biomolecular Science & Chemistry) at the Clarkson University, this study of protein as a biomarker signature of an individual open a new avenue of research. It not only throws light on bio-proteins and their relative quantities and modifiers, but also reveals their interactive patterns with other proteins.
Costel & Alisa – Researchers at Clarkson University who conducted this study
How the Research was Conducted?
The research carried on by Clarkson University along with SUNY Plattsburgh studied six children from ages 6-16 diagnosed with autism along with six other children of similar age group who are developing as per the milestones, using a process called Mass Spectrometry. Following this process, the researchers compared the protein levels, its relative measurements, and differences among these two groups of children.
They found that nine proteins were remarkably higher among children with autism spectrum disorder and three proteins that were either significantly lower or at times, absent. The researchers suggested that the levels of protein may hold clues to repetitive behavior among autistic people, a significant symptoms of Autism.
According to Alisa. G. Woods, one of the research leads, testing the saliva works really well, especially with infants, because it is non-intrusive as compared to blood tests, “The kids really don’t ever mind this”. More research needs to be done, but if this becomes successful, the saliva test could be done on infants to determine early autism and save precious time in devising the right intervention strategies.
The researchers are now planning to increase their range of study from six children and are now studying the protein differences among a group of thirty-two children, sixteen of whom have already been diagnosed with ASD.
To get a copy of the full research paper, click here.
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Conclusion :
While the saliva test for autism shows great promise, it is not yet a diagnostic tool. Early research from Clarkson University and SUNY Plattsburgh has uncovered protein differences in the saliva of autistic children, suggesting a potential biological pathway for earlier detection.
As studies expand to larger groups, experts hope this non-invasive test could someday complement traditional behavioral evaluations. Until then, parents who notice developmental concerns should rely on professional assessments or begin with an online autism test portal to take the first step toward clarity and support.
I am Ash and I celebrate Neurodiversity! Growing up with an elder brother with severe Autism was tough – but it has also taught me essential life lessons. I don’t believe that people with Autism are necessarily or have any disorder (except in extreme cases). They are just different! And that is something to be proud of! I am passionate about helping other families who may have Autism conditions in their family. So please reach out and drop me a note. I will be glad to help 🙂
