Immune-Mediated Mechanisms in Atherosclerosis: Prevention and Treatment of Clinical Manifestations
A. Niessner, J. J. Goronzy and C. M. Weyand
Affiliation: Lowance Center for Human Immunology, Emory University, 101 Woodruff Circle, 1003 WMRB, Atlanta,GA 30322, USA.
Keywords: Inflammation, atherosclerosis, plaque, immune mechanisms, immunomodulatory therapies, cardiovascular disease
Accumulation of inflammatory cells identifies atherosclerotic plaque at risk for rupture. Typically, activated immune cells occupy the rupture-prone areas of the atherosclerotic lesion. These cells are an appealing therapeutic target for novel strategies of plaque stabilization. Biologic consequences of plaque inflammation ultimately depend not only on the cellular players populating the lesion but also on triggers of immune activation originating from within the plaque or arriving from the circulation, and immune effector mechanisms that mediate cellular damage and plaque destabilization. Recent studies have provided insights into particular immune mechanisms in the atherosclerotic plaque that contribute to plaque vulnerability. This knowledge provides the basis for potential immunomodulatory therapies in cardiovascular disease. These therapeutic approaches can be classified as (1) immunomodulatory effects of existing therapies, (2) therapies targeting inflammatory triggers, and (3) agents inhibiting specific immune mechanisms.
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