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Cardiovascular disease is the global #1 cause of mortality and morbidity. The majority of cardiovascular diseases is caused by atherosclerosis, a lipid-driven, inflammatory disease of the middle- and large-sized arteries. The disease is characterized by the formation of atherosclerotic plaques throughout the arterial tree. Over the years, insights into the pathogenesis of atherosclerosis have shifted from a 'lipid-driven' model to a 'response-to-injury' perspective, and more recently to a 'lipid-driven inflammatory disease' viewpoint. We are now aware that a network of multiple immune cell-types and -subsets of the innate and adaptive immune system inhabit our arteries. Intricate interactions between these immune cellsubsets, non-immune cells, and local environmental substances such as lipids, cell debris and calcium cause a fluidic balance of pro-inflammatory and regulatory responses. A dysregulation of this balance towards a pro-inflammatory milieu drives atherosclerotic disease progression. Although we have acknowledged that atherosclerosis is an inflammatory disease, state-of-theart treatments are still based on lipid lowering, anti-hypertensive and lifestyle-changing strategies. In the past decade, clinical phase I, II and III trials targeting the immune system revealed that patients tolerate immunotherapy, show decreased inflammation and/or had a reduction in cardiovascular endpoints. However, the search for novel immunotherapeutic targets and treatment regimens as well as stratification of patients who would benefit from such treatments to combat atherosclerotic cardiovascular disease is only just beginning. In this review article, we will highlight the newest insights on the different cell subsets and components of the immune system in atherosclerosis and elaborate on current and future immunotherapeutics to treat atherosclerotic cardiovascular disease.

Original publication

DOI

10.1152/physrev.00016.2024

Type

Journal article

Journal

Physiol Rev

Publication Date

21/05/2025

Keywords

Atherosclerosis, Cardiovascular disease, Immunology, Immunotherapy, Inflammation