Chemokines, Receptors, and Their Role in Cardiovascular Pathology

A superfamily of leukocyte chemotactic proteins, known as chemokines, has been identified during the past decade. Chemokines selectively attract and activate different leukocyte subpopulations and are key mediators of a variety of patho-physiological states, including hematopoiesis, inflammation, infection, allergy, atheroslerosis, reperfusion injury, as well as malignant tumors. Chemokines bind and activate a number of specific or promiscuous, G-protein-coupled seven-transmembrane receptors. Some of these receptors are utilized by human immunodeficiency virus type 1 as essential fusion co-factors. Further understanding of the role of chemokines and their receptors in host defense will help develop means by which the beneficial versus detrimental effects of these molecules can be balanced. [References: 60]

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