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DAMPs activating innate and adaptive immune responses in COPD
S D Pouwels1, I H Heijink1, N H T ten Hacken2
11] Department of Pathology and Medical Biology, Laboratory of Allergology and Pulmonary Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands [2] GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
Damage-associated molecular patterns (DAMPs) released from dying airway cells may drive neutrophilic inflammation in chronic obstructive pulmonary disease (COPD). This review explores DAMPs
Area of Science:
- Pulmonary Medicine
- Immunology
- Cell Biology
Background:
- Chronic obstructive pulmonary disease (COPD) involves persistent airway inflammation.
- Noxious stimuli like cigarette smoke trigger cell death and release of damage-associated molecular patterns (DAMPs).
- Elevated DAMPs in COPD patients' lung fluids suggest a role in pathogenesis.
Purpose of the Study:
- To review the role of DAMPs in COPD pathogenesis.
- To categorize DAMPs by their subcellular origin.
- To discuss the potential contribution of DAMPs to COPD pathophysiology.
Main Methods:
- Literature review of DAMPs in COPD.
- Categorization of DAMPs based on subcellular localization (cytoplasm, ER, nucleus, mitochondria).
Main Results:
- Increased levels of specific DAMPs (S100 proteins, defensins, HMGB1) observed in COPD.
- DAMPs are proposed to contribute to neutrophilic airway inflammation by attracting and activating immune cells.
Conclusions:
- DAMPs represent a novel area of investigation in COPD pathogenesis.
- Understanding DAMPs' roles may offer new therapeutic targets for COPD.
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