Abstract:
:It is known that interferon (IFN)-gamma plays a critical role in protection against brucellosis. In this study we have investigated several cytokines and chemokines that are associated with IFN-gamma for potential in vitro correlates of protection. We cultured spleen cells in vitro from mice immunized orally with a live, attenuated Brucella melitensis vaccine candidate (WR201) and stimulated these cells with a lysate of B. melitensis. Differential gene expression of several cytokines and chemokines in stimulated spleen cells was analysed by real-time PCR, and secreted proteins were determined by ELISA. Immunized mice produced higher levels of both protein and gene transcripts for IFN-gamma, interleukin (IL)-2, IL-18 and MIP1-alpha. Immunized mice also had elevated gene expression levels for IL12-p40, IL23-p19, IP-10, MIG and MCP-1 when compared to normal mice. In this study we have identified new cytokines and chemokines as potential immune correlates in responses to protection in Brucella-vaccinated mice.
journal_name
Cytokinejournal_title
Cytokineauthors
Paranavitana C,Zelazowska E,Izadjoo M,Hoover Ddoi
10.1016/j.cyto.2004.12.009keywords:
subject
Has Abstractpub_date
2005-04-21 00:00:00pages
86-92issue
2eissn
1043-4666issn
1096-0023pii
S1043-4666(05)00028-1journal_volume
30pub_type
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