In a recent study published in Scientific Reports, researchers found that processed foods may hold key to rise in autism.
This is a big step closer to showing the link between the food pregnant women consume and the effects on a fetus’ developing brain.
The research is from the University of Central Florida. One author is Dr. Saleh Naser.
With the number of children diagnosed with autism on the rise, the need to find what causes the disorder becomes more urgent every day.
Previous research has shown that autistic children often suffer from gut issues such as irritable bowel syndrome. There may be a possible link between the gut and the brain.
Recent studies also have shown a higher level of PPA in stool samples from children with autism and the gut microbiome in autistic children is different.
In the study, the team found the molecular changes that happen when neuro stem cells are exposed to high levels of an acid commonly in processed foods.
They discovered how high levels of Propionic Acid (PPA) could reduce the development of neurons in fetal brains.
PPA is commonly used to increase the shelf life of packaged foods and inhibit mold in commercially processed cheese and bread.
The team found that exposing neural stem cells to excessive PPA damages brain cells in several ways, including reducing neuron development and causing inflammation.
In addition, too much of the acid also shorten and damage pathways that neurons use to communicate with the rest of the body.
This can impede the brain’s ability to communicate, resulting in behaviors such as repetitive behavior, motion issues and inability to interact with others.
These are often found in children with autism.
The team says that PPA occurs naturally in the gut and a mother’s microbiome changes during pregnancy and can cause increases in the acid.
Eating packaged foods containing the acid can further increase PPA in the woman’s gut, which then crosses to the fetus.
They hope the new findings may help find new ways to prevent autism. Future work needs to confirm the results.
If you care about autism, please read studies about this therapy may cut autism symptoms by nearly 50% and findings of autism may be an autoimmune disorder.
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