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Immunology and Infectious Disease

University of Massachusetts Amherst

Asthma

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Chlamydia Pneumoniae-Specific Ige Is Prevalent In Asthma And Is Associated With Disease Severity, David L. Hahn, Allison Schure, Katir K. Patel, Tawanna S. Childs, Eduard Drizik, Wilmore C. Webley Apr 2012

Chlamydia Pneumoniae-Specific Ige Is Prevalent In Asthma And Is Associated With Disease Severity, David L. Hahn, Allison Schure, Katir K. Patel, Tawanna S. Childs, Eduard Drizik, Wilmore C. Webley

Wilmore C Webley

Background: Several Chlamydia pneumoniae (Cp) biomarkers have been associated with asthma but Cp-specific IgE (Cp IgE) has not been investigated extensively. Our objective was to investigate Cp IgE in community adult asthma patients.

Methods: (1) Prevalence of Cp IgE (measured by immunoblotting) and Cp DNA (by polymerase chain reaction) in peripheral blood, and biomarker associations with asthma severity. (2) Case-control studies of Cp IgE association with asthma using healthy blood donor (study 1) and non-asthmatic clinic patient (study 2) controls.

Results: Of 66 asthma subjects (mean age 40.9 years, range 5–75, 59% male, 45% ever-smokers) 33 (50%) were Cp IgE …