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KMID : 1039120150040010083
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Clinical and Experimental Vaccine Research
2015 Volume.4 No. 1 p.83 ~ p.87
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Comparative evaluation of booster efficacies of BCG, Ag85B, and Ag85B peptides based vaccines to boost BCG induced immunity in BALB/c mice: a pilot study
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Husain Aliabbas A.
Warke Shubhangi R.
Kalorey Dewanand R.
Daginawala Hatim F.
Taori Girdhar M.
Kashyap Rajpal S.
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Abstract
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Purpose: In the present study booster efficacies of Ag85 B, Bacillus Calmette-Guerin (BCG),and Ag85B peptides were evaluated using prime boost regimes in BALB/c mice.
Materials and Methods: Mice were primed with BCG vaccine and subsequently boostedwith Ag85B, BCG and cocktail of Ag85B peptides.
Results: Based on analysis of immune response it was observed mice boosted with Ag85B peptides showed significant (p < 0.001) cytokines levels (interferon γ, interleukin 12) and BCG specific antibodies (anti-BCG and anti-purified protein derivative titre) compared to booster dose of BCG, Ag85B and BCG alone.
Conclusion: Our pilot results suggest that prime boost regimes with Ag85B peptides can boost waning BCG induced immunity and may improve immunogenicity of BCG vaccine. However, lot of work is further needed using experimental model of tuberculosis infection to justify the result.
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KEYWORD
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BCG vaccine, Tuberculosis, antigen 85B, antigen 85B peptide
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