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Invasion of Human Cells by a Bacterial Pathogen
Published on: March 21, 2011
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Ficolins and infectious diseases
Yushan Ren1, Quanquan Ding, Xiaolian Zhang
1State Key Laboratory of Virology and Department of Immunology and Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University School of Medicine, Wuhan, 430071, China.
Virologica Sinica
|January 24, 2014
Summary
Ficolins, key innate immune proteins, recognize pathogens and initiate complement activation. Their dysfunction is linked to diseases, highlighting their therapeutic potential.
Area of Science:
- Immunology
- Molecular Biology
- Biochemistry
Background:
- Ficolins are serum lectins belonging to the collectin family, structurally similar to MBL and SP-A/SP-D.
- They function as pattern recognition receptors (PRRs), identifying pathogen-associated molecular patterns (PAMPs) on pathogens and abnormal host cells.
Purpose of the Study:
- To review the roles of ficolins in infectious diseases.
- To explore ficolins as potential therapeutic targets for innate immunity.
Main Methods:
- Literature review of studies on ficolin function in infectious diseases.
- Analysis of ficolin's mechanisms in activating the lectin complement pathway and immune responses.
Main Results:
- Ficolins activate the lectin complement pathway, mediate opsonophagocytosis, and stimulate cytokine/nitric oxide production.
- Ficolin dysfunction is implicated in various viral, bacterial, and inflammatory conditions.
Conclusions:
- Ficolins are crucial components of the innate immune system, bridging pathogen recognition to effector functions.
- Ficolins represent promising novel therapeutic strategies for infectious and inflammatory diseases.
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