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Research suggests beta agonists may alter the immune system

al stress or heart failure, may also have the ability to alter the immune system by increasing type 2 T cells, and thereby promote or worsen disease.

"Although further research is needed to confirm that these findings occur in the human body, our research points to an important means by which the immune system is regulated by both therapies and the hormonal system," Penn said. "From an asthma management standpoint, these studies further emphasize the need to include anti-inflammatory corticosteroids when treating moderate to severe asthma."

The researchers also uncovered the mechanism which by beta-agonists increased type 2 T cells. They found that the beta-agonists were unable to effectively stimulate the enzyme protein kinase A (PKA). Other molecules similar to beta-agonists that were able to strongly activate PKA also inhibited the ability of type 2 T cells to proliferate and survive. Penn said this finding could influence future drug development, because new beta agonists that are more effective in activating PKA may prove useful.


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Source:Wake Forest University Baptist Medical Center


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