Gut Bacteria provides Protection from Food Allergies

Gut Bacteria provides Protection from Food Allergies

US researchers have revealed that a common gut bacteria that helps in preventing food allergies was found absent in mice after they were raised in a sterile environment or given antibiotics early in life. Called as Clostridia, the bacterium provides rodents the ability to lesser their chances of becoming allergic to rodents. The researchers are now looking forward to determine if the same is true for human beings as well.

The researchers have found in the mice study that supplementing rodents with probiotics containing Clostridia later in life makes them to put up a strong fight against allergies. Findings of the study have been published in the Proceedings of the National Academy of Sciences.

"Environmental stimuli such as antibiotic overuse, high-fat diets, caesarean birth, removal of common pathogens and even formula feeding have affected the microbiota with which we've co-evolved", said senior study author Cathryn Nagler, food allergy professor at the University of Chicago.

This is highly likely to increase the likelihood of human beings to suffer from food allergies. The incidence of food allergies among children sought a rise of 18% from 1997 to 2007 in the United States.

Researchers have not found the exact cause of food allergies, but it has been showed by many studies that changes in the bacteria of the gastrointestinal tract are attributable to changes in diet, hygiene and use of antimicrobial soap and disinfecting products.

The researchers also found that mice got back the immunity against food allergens after putting Clostridia bacteria back into their gut. Nagler said this finding holds significant importance because it has provided a way to intervene as it is known what the bacterium is. However, there is a need to conduct further research to ensure the same effect take place in human beings too.


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