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- Title
Neutrophils: potential therapeutic targets in tularemia?
- Authors
Allen, Lee-Ann H.
- Abstract
The central role of neutrophils in innate immunity and host defense has long been recognized, and the ability of these cells to efficiently engulf and kill invading bacteria has been extensively studied, as has the role of neutrophil apoptosis in resolution of the inflammatory response. In the past few years additional immunoregulatory properties of neutrophils were discovered, and it is now clear that these cells play a much greater role in control of the immune response than was previously appreciated. In this regard, it is noteworthy that Francisella tularensis is one of relatively few pathogens that can successfully parasitize neutrophils as well as macrophages, DC and epithelial cells. Herein we will review the mechanisms used by F. tularensis to evade elimination by neutrophils. We will also reprise effects of this pathogen on neutrophil migration and lifespan as compared with other infectious and inflammatory disease states. In addition, we will discuss the evidence which suggests that neutrophils contribute to disease progression rather than effective defense during tularemia, and consider whether manipulation of neutrophil migration or turnover may be suitable adjunctive therapeutic strategies.
- Subjects
NEUTROPHILS; GRANULOCYTES; PHAGOCYTES; TULAREMIA; GRAM-negative bacterial diseases
- Publication
Frontiers in Cellular & Infection Microbiology, 2013, Vol 3, Issue 12, p1
- ISSN
2235-2988
- Publication type
Article
- DOI
10.3389/fcimb.2013.00109