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Plasmacytoid dendritic cells (pDCs) are unique bone-marrow-derived cells that produce large amounts of type I interferon in response to microbial stimulation. Furthermore, pDCs also promote T cell tolerance in sterile-inflammation conditions. However, the immunomodulatory role of aortic pDCs in atherosclerosis has been poorly understood. Here, we identified functional mouse and human pDCs in the aortic...
Blocking agents targeting cell adhesion molecules have been developed to prevent cardiovascular diseases such as atherosclerosis, whereas relatively little attention has been paid to the therapeutic potential of vascular cell adhesion molecule (VCAM)-1 as an inflammatory disease target. Two novel, fully human antibodies, H6 and 7H, against human VCAM-1 (hVCAM-1) were developed and tested to validate...
Early events in atherosclerosis occur in the aortic intima and involve monocytes that become macrophages. We looked for these cells in the steady state adult mouse aorta, and surprisingly, we found a dominance of dendritic cells (DCs) in the intima. In contrast to aortic adventitial macrophages, CD11c + MHC II hi DCs were poorly phagocytic but were immune stimulatory. DCs were of two...
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