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Rotavirus infection may turn on type 1 diabetes: Study


Rotavirus infection that causes severe dehydration in the patient may have hands in the development of type 1 diabetes, claim researchers.

Rotavirus remains the major cause of infantile gastroenteritis worldwide, although the advent of vaccination has substantially decreased associated mortality.

Following the recent introduction of rotavirus vaccination, there has been a 15% decrease in the incidence of type 1 diabetes in Australian children under four years of age, suggesting that rotavirus vaccination could contribute to the primary prevention of this autoimmune disease.

This finding published in the journal -- PLOS Pathogens -- complemented human and animal studies implicating rotavirus in the development of type 1 diabetes in genetically susceptible children.

In the article, Leonard C. Harrison of the University of Melbourne in Australia, and colleagues begin by reviewing molecular evidence supporting their hypothesis and point out the association between rotavirus infection and serum islet autoantibodies.

They also discuss results indicating that rotavirus infection induces pancreatic pathology, as well as environmental factors that promote the rise in the incidence of type 1 diabetes.

Finally, they reviewed population-level data suggesting that rotavirus vaccination may be associated with a decrease in the incidence of type 1 diabetes.

According to the authors, it will be important to identify which children are most likely to be protected by rotavirus vaccination.

Moreover, future studies should aim to reveal disease mechanisms and directly demonstrate whether rotavirus infects human pancreas prior to the onset of islet autoimmunity or type 1 diabetes.

"Vaccination against rotavirus may have the additional benefit in some children of being primary prevention for type 1 diabetes," Harrison concluded.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Fri, October 11 2019. 15:24 IST