University of Wisconsin-Milwaukee
Press Release

UWM awarded $2.3 million to study autism/air pollution connection

The researchers will examine genes important in detoxifying chemical exposures and helping protect children’s nervous system as they grow.

By - Apr 3rd, 2017 04:21 pm
UWM Union. Photo by Dave Reid.

UWM Union. Photo by Dave Reid.

MILWAUKEE_Could air pollution from traffic play a role in whether a child develops autism or ADHD?

A team of investigators led by UWM epidemiologist Amy Kalkbrenner has landed a $2.3 million grant from the National Institute of Environmental Health Sciences to further explore this connection.

Scientists know that children’s exposure to chemicals in the environment influences whether they will develop these disorders, and several recent studies have implicated air pollution from vehicles.

But questions remain about the biology behind how air pollutants can harm the developing brain, and whether some children may be more resilient or susceptible to the impacts.

“By adding a wealth of information about genes inherited from parents, we’ll be able to more fully explore the multiple factors involved,” said Kalkbrenner, an assistant professor in the Joseph J. Zilber School of Public Health.

The researchers will examine genes important in detoxifying chemical exposures and helping protect children’s nervous system as they grow.

Autism affects children in different ways, and sometimes a child is also diagnosed with ADHD. “What we call autism may actually be several disorders with different paths of causation,” said Kalkbrenner.

For this reason, the researchers will investigate autism and ADHD separately and in combination during the five-year study. Understanding which causes are shared and which are unique across developmental disorders paints a more complete picture of how environmental chemicals may be involved.

“These results will bring us closer to finding interventions that can reduce the impact of developmental disorders on families,” Kalkbrenner said.

Autism occurs in 1 to 2 percent of children, while the prevalence of ADHD is estimated at 5 percent.

Kalkbrenner’s previous research found evidence that a child’s greatest susceptibility to a chemical in vehicle emissions occurs in the third trimester of pregnancy when the brain’s network is still forming.

Research partners on the project include Christine Ladd-Acosta at Johns Hopkins Bloomberg School of Public Health and Diana Schendel at Aarhus University in Denmark.

About UWM
Recognized as one of the nation’s 115 top research universities, UW-Milwaukee provides a world-class education to 26,000 students from 89 countries on a budget of $667 million. Its 14 schools and colleges include Wisconsin’s only schools of architecture, freshwater sciences and public health, and it is a leading educator of nurses and teachers. UW-Milwaukee partners with leading companies to conduct joint research, offer student internships and serve as an economic engine for southeastern Wisconsin. The Princeton Review named UW-Milwaukee a 2017 “Best Midwestern” university based on overall academic excellence and student reviews, as well as a top “Green College.”

NOTE: This press release was submitted to Urban Milwaukee and was not written by an Urban Milwaukee writer. While it is believed to be reliable, Urban Milwaukee does not guarantee its accuracy or completeness.

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