2019 Marks UNC’s Third Year Participating in Largest Genetic Autism Research Study

Gabriel Dichter, PhD, director of research at the Carolina Institute for Developmental Disabilities, said one of the main goals of the SPARK project is to help determine the genes that cause autism.

2019 Marks UNC’s Third Year Participating in Largest Genetic Autism Research Study click to enlarge Gabriel Dichter, PhD

April 15, 2019

This month, which is Autism Awareness Month, marks the third anniversary of UNC’s participation in the largest genetic autism research study in the United States. UNC is one of 25 clinical sites to partner with the Simons Foundation Powering Autism Research for Knowledge study. The research initiative is a nationwide effort to gather genetic information from 50,000 participants on the autism spectrum and their biological parents to advance autism research.

Gabriel Dichter, PhD, director of research at the Carolina Institute for Developmental Disabilities (CIDD), said one of the main goals of the SPARK project is to help determine the genes that cause autism.

“The other goal is, for down the road, to use that genetic information to help us conduct research that evaluates the potential to link individual patients with autism to particular interventions based on their genetic signature, if you will,” Dichter said. “Our hope is that this will help guide us down the path of personalized medicine to be able to match patients to treatments based on what we know about their genetics.”

UNC’s initial involvement in the SPARK project began in early 2016 as one of three pilot sites before the larger national launch in April of the same year. Dichter said UNC has been able to play an integral role in the research study due to an “ongoing relationship” between the Carolina Institute for Developmental Disabilities and nearly 7,000 families who have members with autism. This community of families, as well as therapy programs and other resources offered by UNC’s TEACCH Autism Program, has been instrumental in finding interested individuals to participate in the SPARK study.

Dichter said participants are first directed to an online registration and consent process, where they answer survey questions. Then, they receive a kit in the mail, where the study participant with autism and their family members provide saliva samples. Dichter said the Simons Foundation processes the DNA samples and if they detect a “meaningful” genetic profile, they send the results of their genetic analysis to the family’s physician or a genetic counselor to help the family interpret the data.

“Saliva grosses me out and I was able to do it,” said SPARK study participant and Durham resident Josephine Arguelles. “And my kids loved it, they thought it was the best day, like my seven-year-old was over there power-spitting into this tube, he thought it was great.”

Arguelles’ older son, Eric, was a part of a TEACCH program to help him with his anxiety, which is how her family originally found out about SPARK.

“This is the first place that we lived that we were able to get Eric into programs like this, that had them close by, that had them readily available,” Arguelles said. “And we feel a lot of support in the community for children like Eric. This is the first time I've really felt supported as an autism parent.”

Arguelles said she found the process to be “really simple” and hopes the study will give her family some answers. “A lot of parents blame themselves,” Arguelles said. “‘Was it something we did? Was it something we didn't do?’ And so I think [the research] would bring at least some comfort to families, at least we would know the when, the how, and the why.”

corrie walston
Corrie Walston
UNC SPARK Study Coordinator Corrie Walston said more than 1,800 people with autism and their family members have enrolled in the study through UNC. There are no limitations to participants with regard to age or diagnoses, Walston said. “The autism spectrum is huge and they want as many people to participate as possible because autism is so heterogeneous,” Walston said. “No two people with autism look alike.”

There are currently 16,712 families enrolled in the research study. April 2nd marked the 12th World Autism Awareness Day, which was established by the United Nations General Assembly in 2008.

“Really, World Autism Awareness Day for us is about thanking the families that we've worked with in research for their dedication, because without them, research would not be possible and without the research, a better outcome could not be possible for their children,” Dichter said.

Arguelles said she hopes the SPARK project will provide her family with guidance to help Eric as he gets older.

“He's really opened our eyes and we see the world differently because of him. But he does struggle and that's hard to watch," Arguelles said. "... I hope that whatever they find that we can benefit from it, that we can use it. We really want Eric to be successful.”

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