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Heparin-like anticoagulants in asthma.
E C Lasser1, R A Simon, S G Lyon
1Department of Radiology, University of California, San Diego, School of Medicine, La Jolla.
Allergy
|November 1, 1987
Summary
Patients with asthma have higher levels of endogenous heparin-like material (EHM) in their plasma. Some asthmatics showed increased EHM during antigen challenges, correlating with reduced lung function.
Area of Science:
- Biochemistry
- Pulmonology
- Immunology
Background:
- Asthma is a chronic respiratory condition characterized by airway inflammation.
- Endogenous heparin-like material (EHM) is present in plasma, with potential roles in inflammatory processes.
Purpose of the Study:
- To investigate the levels of EHM in asthma patients compared to healthy controls.
- To explore the correlation between EHM concentration and airway obstruction during antigen challenge in asthmatics.
Main Methods:
- Plasma samples from asthma patients and non-allergic controls were analyzed for EHM levels.
- EHM concentration and FEV values were monitored in asthmatic patients undergoing antigen challenge.
Main Results:
- Asthma patients exhibited significantly higher baseline plasma EHM levels than controls.
- Three of six patients showed an acute increase in EHM coinciding with a decrease in FEV following antigen challenge.
Conclusions:
- Elevated EHM may be associated with asthma.
- Further research is needed to determine the precise role of EHM in asthma pathogenesis and its relation to airway reactivity.