Journal
TRENDS IN CARDIOVASCULAR MEDICINE
Volume 20, Issue 4, Pages 120-124Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tcm.2010.10.002
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- NHLBI NIH HHS [R01 HL017964, R01 HL017964-35] Funding Source: Medline
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In addition to its role in fibrinolysis, plasminogen (Pig) influences inflammatory cell migration and thereby plays a prominent role in cardiovascular pathology. The contribution of Pig to inflammatory cell recruitment depends on its tethering to the surface of responding cells. Plasminogen receptors (Plg-Rs) are heterogeneous and can be classified as tailless, lacking cytoplasmic tails, or tailed (having cytoplasmic tails). In vivo observations implicate several tailless Plg-Rs in inflammatory responses. Tailed Plg-Rs on leukocytes include several integrins, which have also been implicated in Plg-dependent responses. Surface expression of both tailless and tailed Plg-Rs can be modulated in number and/or function. A common mechanism involving intracellular calcium mobilization and calcium channels regulates expression of both classes of Plg-Rs. Data are emerging to indicate that targeting Pig and Plg-Rs may limit inflammation and cardiovascular pathology. (Trends Cardiovasc Med 2010;20:120-124) (C) 2010, Elsevier Inc. All rights reserved.
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