Abstract：
:The present study was aimed to evaluate the immuno-modulatory effect of Brucella-specific recombinant HSP40 (rDnaJ) when co-immunized with Brucella rOmp22 in mice. For this, dnaJ of Brucella abortus was cloned, expressed in E. coli, and purified to homogeneity using Ni-NTA agarose columns. Three groups of mice (n = 6 in each group) were used in the study. The control group was immunized with rOmp22 alone, while group 1 mice were injected subcutaneously with rOmp22 along with conventional adjuvants (FCA, FIA), and group 2 mice with rOmp22 mixed with rDnaJ. IgG isotype (IgG1 and IgG2a) response to rOmp22 immunization was evaluated by enzyme-linked immunosorbent assay which was found to be directed towards the cell-mediated arm of immune system (CMI) in group 2 mice in which rOmp22 was co-immunized with rDnaJ. Expression profiling of IL-4 and IL-12 was checked in all the groups by qRT PCR. IL12 mRNA was up-regulated to a greater extent in group2 mice, suggesting that the CMI arm of immune system was stimulated. Hence, it was concluded that CMI response against rOmp22 is stimulated to a greater extent in mice when co-immunized with Brucella rDnaJ.
journal_name
3 Biotechjournal_title
3 Biotechauthors
Minhas P,Sunil Kumar BV,Verma Rdoi
10.1007/s13205-019-1905-3subject
Has Abstractpub_date
2019-10-01 00:00:00pages
366issue
10eissn
2190-572Xissn
2190-5738pii
1905journal_volume
9pub_type
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