Immune cells play essential roles in the maintenance and repair of our bodies. When we injure ourselves, immune cells mount a rapid inflammatory response to protect us against infection and help heal the damaged tissue.
Lead researcher Dr Helen Weavers, from the Faculty of Biomedical Sciences said: “While this immune response is beneficial for human health, many human diseases (including atheroscelerosis, cancer and arthritis) are caused or aggravated by an overzealous immune response. A greater understanding of what activates the immune response is therefore crucial for the design of novel therapies to treat these inflammatory disorders.
“Our study found that immune cells must first become ‘activated’ by eating a dying neighbouring cell before they are able to respond to wounds or infection. In this way, immune cells build a molecular memory of this meal, which shapes their inflammatory behaviour.”
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