A vaccine for heart disease? New discovery points up this possibility

Researchers at the La Jolla Institute for Allergy & Immunology have identified the specific type of immune cells (CD4 T cells) that orchestrate the inflammatory attack on the artery wall. Further, the researchers discovered that these immune cells behave as if they have previously seen the antigen that causes them to launch the attack. "The thing that excites me most about this finding is that these immune cells appear to have 'memory' of the molecule brought forth by the antigen-presenting cells," said Klaus Ley, M.D., a renowned expert in vascular immunology, who led the study in mouse models. "Immune memory is the underlying basis of successful vaccines. This means that conceptually it becomes possible to consider the development of a vaccine for heart disease."

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