International Immunology, Vol. 15, No. 9, pp. 1053-1061,
September 2003
© 2003 Japanese Society for Immunology
Fever-like temperature induces maturation of dendritic cells through induction of hsp90
1 Center for Immunotherapy of Cancer and Infectious Diseases, University of Connecticut School of Medicine, MC1601, Farmington, CT 06030-1601, USA
Correspondence to: P. Srivastava; E-mail: srivastava{at}nso2.uchc.edu
Transmitting editor: P. S. Ohashi
Fever is a phylogenetically conserved biological phenomenon and a common consequence of infection. Here, we examine in vitro and in vivo the effect of febrile temperature on dendritic cells (DC), a key antigen-presenting cell in the immune system. Elevated temperatures are observed to cause immature DC to mature, specifically through elevation of intracellular levels of hsp90. Surprisingly, even brief exposure to elevated temperatures has a powerful effect on the immunostimulatory capacity of DC. These results bear on the mechanisms of the salutary effects of fever as well as of behavioral elevations of temperature such as saunas and warm blankets.
Keywords: dendritic cell, fever, hsp90
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