title: A limited role for antibody in protective immunity induced by rCPAF and CpG vaccination against primary genital Chlamydia muridarum challenge.
abstract: Mice deficient in B cells (micromT mice) were used to evaluate the role of antibody in enhanced chlamydial clearance and reduction of pathology afforded by vaccination with recombinant chlamydial protease-like activity factor (rCPAF). Enhanced, but comparable, chlamydial clearance was observed in micromT and wild-type (WT) mice after rCPAF+CpG vaccination. Chlamydia-induced pathology was present in mock-immunized animals, but at significantly greater levels in micromT than WT mice, whereas vaccinated micromT and WT mice exhibited similar reductions in pathology. Thus, antibodies may play a role in protection against chlamydial pathology after primary infection, but were largely dispensable in rCPAF+CpG-induced chlamydial clearance and reduction in pathology.
authors.affiliation: Department of Biology, South Texas Center for Emerging Infectious Diseases, University of Texas at San Antonio, 78249, USA.
authors.forename: Ashlesh K
authors.initials: AK
authors.lastname: Murthy
authors.forename: Bharat K R
authors.initials: BK
authors.lastname: Chaganty
authors.forename: Weidang
authors.initials: W
authors.lastname: Li
authors.forename: M Neal
authors.initials: MN
authors.lastname: Guentzel
authors.forename: James P
authors.initials: JP
authors.lastname: Chambers
authors.forename: J
authors.initials: J
authors.lastname: Seshu
authors.forename: Guangming
authors.initials: G
authors.lastname: Zhong
authors.forename: Bernard P
authors.initials: BP
authors.lastname: Arulanandam
mesh_terms: D000276:Adjuvants, Immunologic / Q000008:administration & dosage / Q000494:pharmacology; D000818:Animals; D000907:Antibodies, Bacterial / Q000276:immunology*; D000942:Antigens, Bacterial / Q000276:immunology*; D001428:Bacterial Vaccines / Q000276:immunology*; D002690:Chlamydia Infections / Q000276:immunology / Q000382:microbiology / Q000473:pathology / Q000517:prevention & control*; D023502:Chlamydia muridarum / Q000276:immunology*; D015169:Colony Count, Microbial; D005260:Female; D005831:Genital Diseases, Female / Q000276:immunology / Q000382:microbiology / Q000473:pathology / Q000517:prevention & control*; D051379:Mice; D009838:Oligodeoxyribonucleotides / Q000008:administration & dosage / Q000494:pharmacology; D014614:Vaccines, Synthetic / Q000276:immunology
chemical_list: D000276:Adjuvants, Immunologic; D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial; D001428:Bacterial Vaccines; C408982:CPG-oligonucleotide; D009838:Oligodeoxyribonucleotides; D014614:Vaccines, Synthetic