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Table 1 Relative fold-differences of Th1/Th2 cytokines in skin and lymph nodes following intradermal inoculation of Dermacentor andersoni salivary gland extract (SGE) or infestation with pathogen-free nymphs.

From: Blood feeding by the Rocky Mountain spotted fever vector, Dermacentor andersoni, induces interleukin-4 expression by cognate antigen responding CD4+ T cells

  Relative fold-difference in skin Relative fold-difference in lymph node
  SGE Tick SGE Tick
IL-2 0.25 ± 0.09 0.48 ± 0.01 1.4 ± 0.1 2 ± 0.4
IL-4 527 ± 147* 2791 ± 504* 35 ± 6.3* 37 ± 3.4*
IL-10 10 ± 1.3** 4 ± 0.7** 0.7 ± 0.1 0.4 ± 0.07
IFN-γ 3.4 ± 0.4 0.8 ± 0.2 0.4 ± 0.09 1.2 ± 0.19
  1. * Significant at P < 0.001
  2. ** Significant at P < 0.05