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Aging is accompanied by a disturbance in the homeostasis of the immune system. However, research into the behavior of macrophages in aging has shown disagreements about the functional status of these cells in aged mice. In this work, we studied the influence of aging on macrophage functions by evaluating the pro- and anti-inflammatory parameters of peritoneal macrophages preserved in their natural...
Vitamin E inhibits cyclooxygenase activity in macrophages from old mice by reducing peroxynitrite production. PGE 2 is a proinflammatory mediator that has been linked to a variety of age-associated diseases such as cancer, arthritis, and cardiovascular disease. Furthermore in the aged, increased cyclooxygenase (COX)-2-mediated PGE 2 production contributes to decline in T-cell-mediated...
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