Regulatory T Cells Modulate the T-Cell and Antibody Responses in Helicobacter-Infected BALB / c Mice

Department of Microbiology and Immunology and the NHMRC Bacterial Pathogenesis Group, The University of Melbourne, Parkville, Victoria 3010, Australia; Department of Biochemistry and Molecular Biology and Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria 3010, Australia; CRC for Vaccine Technology, Brisbane, Australia; Department of Anatomical Pathology, Alfred Hospital, Prahran, Victoria 3181, Australia; and CSL Ltd., Poplar Rd., Parkville, Victoria 3052, Australia