Literature DB >> 9605983

Analysis of the humoral immune response to Chlamydia outer membrane protein 2.

P Mygind1, G Christiansen, K Persson, S Birkelund.   

Abstract

The humoral immune response to Chlamydia outer membrane protein 2 (Omp2) was studied. Omp2 is a highly genus-conserved structural protein of all Chlamydia species, containing a variable N-terminal fragment. To analyze where the immunogenic parts were localized, seven highly purified truncated fusion proteins constituting different regions of the protein were produced (Chlamydia pneumoniae-Omp2aa23-aa93, Chlamydia psittaci-Omp2aa23-aa94, and Chlamydia trachomatis-Omp2aa23-aa84, aa87-aa547, aa23-aa182, aa167-aa434, aa420-aa547). By an enzyme-linked immunosorbent assay with serologically defined patient sera, Omp2 was found to be a major immunogen of both C. pneumoniae and C. trachomatis infections (P < 0.0001). The humoral immune responses were not confined to any particular region of the Omp2 protein, and no species-specific anti-Omp2 immunoglobulins were detected.

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Year:  1998        PMID： 9605983      PMCID： PMC104516          DOI： 10.1128/CDLI.5.3.313-318.1998

Source DB:  PubMed          Journal:  Clin Diagn Lab Immunol        ISSN： 1071-412X


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