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Published on: January 7, 2015
Fibrocytes: emerging effector cells in chronic inflammation
Ronald A Reilkoff1, Richard Bucala, Erica L Herzog
1Yale University School of Medicine, Section of Pulmonary and Critical Care Medicine, New Haven, Connecticut 06520, USA.
Nature Reviews. Immunology
|May 21, 2011
Summary
Fibrocytes, immune cells from monocytes, exhibit both inflammatory and tissue-remodeling traits. Their role in chronic inflammatory diseases like asthma and cardiovascular disease warrants further investigation.
Area of Science:
- Immunology
- Cell Biology
- Pathology
Background:
- Fibrocytes are unique mesenchymal cells originating from monocyte precursors.
- These cells possess dual characteristics, combining macrophage-like inflammatory functions with fibroblast-like tissue remodeling capabilities.
- Their presence is noted in injured organs, suggesting a role in tissue repair and pathology.
Purpose of the Study:
- To discuss the immunological mediators governing fibrocyte differentiation and recruitment.
- To describe the association between fibrocytes and various chronic inflammatory diseases.
- To compare the functional roles of fibrocytes with macrophages and fibroblasts in disease contexts.
Main Methods:
- Literature review and synthesis of current research on fibrocytes.
- Analysis of immunological pathways involved in fibrocyte biology.
- Comparative analysis of fibrocyte, macrophage, and fibroblast functions in fibrosing conditions.
Main Results:
- Chronic inflammatory stimuli drive fibrocyte differentiation, migration, and accumulation.
- Fibrocytes are implicated in fibrosing diseases, including autoimmune disorders, cardiovascular disease, and asthma.
- Their distinct properties suggest unique contributions to pathogenesis compared to macrophages and fibroblasts.
Conclusions:
- Fibrocytes play a significant role in the pathogenesis of chronic inflammatory and fibrosing diseases.
- Understanding the specific mediators and functions of fibrocytes offers potential therapeutic targets.
- Further research into these cells may uncover novel strategies for managing autoimmune, cardiovascular, and respiratory conditions.
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