Over-expression of gene encoding heat shock protein 70 from Mycobacterium tuberculosis and its evaluation as vaccine adjuvant.

Background: Heat shock proteins (Hsps) are evolutionary ancient and highly conserved molecular chaperons found in prokaryotes as well as eukaryotes. Hsp70 is a predominant member of Hsp family. Microbial Hsp70s (mHsp70s) have acquired special significance in immunity since they have been shown to be potent activators of the innate immune system and generate specific immune responses against tumours and infectious agents.

Differential Expression of Th1- and Th2- Type Cytokines in Peripheral Blood Mononuclear Cells of Murrah Buffalo (Bubalus Bubalis) on TLR2 Induction by B. Subtilis Peptidoglycan.

Peripheral blood mononuclear cells (PBMCs) discriminate microbial pathogens and induce T-cell responses of appropriate effector phenotype accordingly. Toll-like receptors (TLRs), in part, mediate this microbial recognition and differentiation while the development of T-cell effector functions critically depends on the release of Th1- or Th2- type cytokines. In the present study, buffalo PBMCs were stimulated under in vitro culture conditions by Bacillus subtilis cell wall petidoglycan, a TLR2 ligand, in a dose-and time- dependent manner.

Heritability estimates of components of incubation mortality in White Leghorns.

1. A total of 39,280 eggs obtained from two selected White Leghorn strains over 4 generations representing 290 sires were incubated. 2.