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Immunol Invest. 2014;43(6):606-15. doi: 10.3109/08820139.2013.871555.

Transient decrease in human peripheral blood myeloid dendritic cells following influenza vaccination correlates with induction of serum antibody.

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Infectious Diseases Division, University of Rochester Medical Center , Rochester NY 14642 , USA and.


Dendritic cells (DC) are critical inducers of the adaptive immune response. Extensive characterization of tissue-resident and monocyte-derived DC has revealed diverse stimulatory and regulatory actions, although the role of peripheral blood dendritic cells (PBDC) in maintaining homeostasis remains unclear. Examination of various myeloid (CD11c+CD303-) and plasmacytoid (CD11c-CD303+) DC populations in the peripheral blood of seasonal trivalent inactivated influenza vaccine recipients revealed a transient decrease in the frequency of CD11c+CD1c- myeloid DC subsets 5-10 days following vaccination, including both CD141+ and CD141- myeloid DC subsets of this population. These populations rebounded by 1 month, while plasmacytoid DC remained stable. The magnitude of the decrease in the CD141+ myeloid DC subset at d5-7 significantly correlated with the induction of influenza specific serum antibodies measured at 1 month following vaccination. These results demonstrate a mobilization of peripheral blood myeloid DC following vaccination and indicate these cells are potential biomarkers of immune response.


Antibody; blood; dendritic cell; human; influenza; vaccine

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