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J Leukoc Biol. 2000 Feb;67(2):149-59.

Extracellular matrix moieties, cytokines, and enzymes: dynamic effects on immune cell behavior and inflammation.

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  • 1The Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel.

Abstract

Tissue injury caused by infection or physical damage evokes inflammatory reactions and events that are necessary for regaining homeostasis. Central to these events is the translocation of leukocytes, including monocytes, neutrophils, and T lymphocytes, from the vascular system, through endothelium, and into the extracellular matrix (ECM) surrounding the injured tissue. This transition from the vasculature into the site of inflammation elicits remarkable changes in leukocyte behavior as cells adhere to and migrate across ECM before carrying out their effector functions. Growing evidence suggests that, through its interactions with cytokines and degradative enzymes, the ECM microenvironment has a specialized role in providing intrinsic signals for coordinating leukocyte actions. Recent advances also reveal that enzymatic modifications to ECM moieties and cytokines induce distinctive cellular responses, and are likely part of the mechanism regulating the perpetuation or arrest of inflammation. This article reviews the findings that have elucidated the dynamic relationships among these factors and how they communicate with immune cells during inflammation.

PMID:
10670574
[PubMed - indexed for MEDLINE]
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