Researchers at the Francis Crick Institute have found that molecules in vegetables like broccoli or cauliflower help to maintain a healthy barrier in the lung and ease infection.
The AHR—aryl hydrocarbon receptor—is a protein found at barrier sites like the gut and the lung. Natural molecules in cruciferous vegetables—for example, kale, cauliflower, broccoli, or cabbage—are dietary ‘ligands’ for AHR, which means, once eaten, they activate AHR to target a number of genes. Some of the genes targeted switch off the AHR system, allowing it to self-regulate.
The effect of AHR on immune cells is well understood, but this research, published in Nature, now shows that AHR is also highly active in endothelial cells lining blood vessels in the lung.
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