Researchers have developed a promising nanosensor that may enable earlier and more accurate diagnosis of autism spectrum disorder (ASD). The device measures nitric oxide (NO) levels in patient-derived stem cells, successfully distinguishing ASD from intellectual disability (ID), even when both conditions share the same genetic mutation. Unlike traditional blood-based tests, this approach bypasses the blood-brain barrier and does not require stem cells to be converted into neurons, making the process simpler. Scientists believe this technology could eventually allow autism to be detected within the first few months of life using somatic cells. However, larger studies are needed before it can be introduced into clinical practice.
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