Genetic analysis of individuals with autism finds gene deletions.

A recent analysis of the genetic makeup of individuals with autism has yielded significant findings that hold promise for advancing our understanding and potential treatments for the condition. Identifying specific gene deletions associated with autism represents a critical step forward in unraveling the complex genetic factors underlying this condition. This breakthrough not only sheds light on the potential genetic mechanisms at play in autism but also offers valuable insights for further research and the development of targeted interventions. Understanding the genetic basis of autism is a pivotal milestone that could pave the way for personalized treatments and tailored support for individuals living with this condition, potentially enhancing their quality of life and well-being.

  • A 2017 study published in Nature Genetics identified 18 new genes associated with autism, bringing the number of known risk genes to over 100. The study also found that deletions of these genes were more common in people with autism than in the general population.

http://www.cab.zju.edu.cn/ivsenglish/2018/0717/c17692a840144/page.htm

  • A 2019 study published in the American Journal of Human Genetics identified a rare genetic variant that disrupts a gene called NRXN1 and is associated with both autism and intellectual disability. The study found that the variant disrupts the way neurons communicate with each other, which may contribute to the symptoms of autism.
18 new genes associated with autism,
  • A 2020 study published in Cell identified a new gene called CNTNAP2 that is associated with autism. The study found that the gene is important for developing synapses, the junctions between neurons. Mutations in CNTNAP2 can disrupt the way neurons communicate with each other, which may contribute to the symptoms of autism.
https://isoplexis.com/blog/publication-in-clinical-cancer-research-isoplexis-single-cell-proteomics-reveals-unique-cell-subsets-associated-with-improved-outcomes-in-triple-negative-breast-cancer/
A rare genetic variant that disrupts a gene called NRXN1

These are just a few examples of the many studies conducted on the genetics of autism. As our understanding of the genetics of autism continues to grow, we may be able to develop new diagnostic tools and treatments for this complex disorder.

Dror Arbel

I'm Dror Arbel, Saar's parent and the founder of 101Autism.com. Saar is an autistic teenager who loves football, cycling and music, plays the piano and paints. Loud sounds can overwhelm him and sudden changes unsettle him, so much of what I write about comes from real life at home and at school. I started 101Autism to share our family's journey and to turn what we have learned about testing, school and daily life into clear, practical guides. I am a parent, not a clinician: I link to research and official sources, and nothing on this site replaces advice from a qualified professional.

Best Headphones for Teens with Autism (2025): A Parent’s Honest Guide

Why headphones make our list: noise-reducing headphones are one of the better-supported everyday sensory tools.…

7 months

Understanding the Process: What Happens After a Referral for an Autism Evaluation

Navigate the path with ease: learn what to expect after receiving a referral for an…

8 months

Apps for autistic learners

Welcome to our comprehensive guide on Apps for Autistic Learners. In this article, I've gathered…

8 months

Best Autism Schools in Hawaii for Your Child in 2026

TL;DR – Best Autism Schools in Hawaii Hawaii has a small but strong set of…

8 months

Your Guide to the World of Autism Conferences in 2026: Finding Your Community and Your “Why”

https://youtu.be/tVOM8AawY-Y Introduction: Welcome to the Conversation Hello, and welcome. As both an educator and a…

8 months

Creating a Low-Arousal Environment at Home

Reduce sensory triggers before they escalate — through intentional changes to lighting, visual space, and…

8 months