Immune Responses of BALB/c Mice Administrated via Oral Route to a Combined Salmonella Typhimurium Ghost Vaccine

복합 살모넬라 타이피무리움 고스트 백신의 마우스 구강 투여에 의한 면역 응답

Kim, Pan Gil;Ha, Yeon Jo;Lee, Su Man;Kim, Sam Woong;Gal, Sang Wan

  • Received : 2015.06.15
  • Accepted : 2015.10.26
  • Published : 2015.11.30


Salmonella Typhimurium (ST) JOL389 and χ3339 are strong virulent strains against mouse. ST χ8554 is derived by deletion of the asd gene from ST χ3339. Plasmid pMMP184 carrying a ghost cassette was transformed into ST χ8554, and ST χ8554 ghost cells were prepared and administrated via the oral route to BALB/c mice. Change in the amount of total IgG was not elicited to boosting of single ST χ8554 ghost cells, but the content was increased from 6 weeks after the 3rd administration. However, when the ST JOL389 ghost cells is administered together with ST χ8554 ghost cells, the content of total IgG was increased in 2 weeks post primary administration. It was found that the content of total IgG of the group mixed with ST JOL389 ghost cells showed an increased value of 8 times or more at 10 weeks when compared with the group of ST χ8554 ghost cells. The content of IgG1, IgG2a, and sIgA in both groups increased from 4 weeks postprimary administration. As a challenge test of virulent ST χ3339, χ8554 (pMMP184) and χ8554 (pMMP184)/JOL389 ghost cell groups showed protection of 50% or more when compared to the control group. These results suggest that the preparation of combined ghost cells from a strong virulent ST increases immunity more than a single strain.


BALB/c mouse;ghost vaccine;immune;protection;S. Typhimurium;virulence


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