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Immunization
Study data from A.C. Finnefrock et al provide new insights into immunization
March 11th, 2009
"Programmed Cell Death 1 (PD-1) plays a crucial role in immunomodulation. Binding of PD-1 to its ligand receptors down-regulates immune responses, and published reports suggest that this immune modulation is exploited in cases of tumor progression or chronic viral infection to evade immune surveillance," scientists in the United States report. "Thus, blockade of this signal could restore or enhance host immune functions. To test this hypothesis, we generated a panel of mAbs specific to human PD-1 that block PD ligand 1 and tested them for in vitro binding, blocking, and functional T cell responses, and evaluated a lead candidate in two in vivo rhesus macaque (Macaca...
Source: Vaccine Weekly (2009-03-11)
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