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Multiple CD4 and CD8 T-cell activation parameters predict vaccine efficacy in vivo mediated by individual DC-activating agonists.

journal article

Welters MJ, Bijker MS, van den Eeden SJ, Franken KL, Melief CJ, Offringa R, van der Burg SH.
Vaccine. 2007 Feb 9;25(8):1379-89.

A systematic comparison of the immunostimulatory capacity of TLR 2, 3, 4, 5, 7 and 9 agonists and an agonistic CD40-specific antibody was performed in a single long peptide vaccination model. All adjuvants activated DC in vitro but not all induced a strong functional T-cell response in vivo. Optimal clonal CD8(+) T-cell expansion depended on the capacity of agonists to mature pro-inflammatory DC and the duration of their in vivo stimulatory effect. Strong agonists promoted the induction of both antigen-specific IFNgamma-producing CD4(+) T-helper cells and high numbers of IFNgamma producing CD8(+) effector T-cells that killed target cells in vivo. Importantly, the capacity of an agonist to function as an adjuvant depended on the vaccine strategy used. Collectively, the multi-parameter system presented here can be used as a general road map to develop therapeutic vaccines.

URL: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TD4-4M9438W-2&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=e8c40bc7e294769ec861bab2a229d74f

Pub Med: http://www.ncbi.nlm.nih.gov/pubmed/17123670

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