text_1: The cytokine receptor which regulates chemotaxis and formation of lymph nodes is involved in production of myeloperoxidase in the left atrium.
text_2: MPO-deficient mice pretreated with angiotensin II (AngII) to provoke leukocyte activation showed lower atrial tissue abundance of the MPO product 3-chlorotyrosine, reduced activity of matrix metalloproteinases and blunted atrial fibrosis as compared to wild-type mice.