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Table 1 Rat Serum Levels of IgE Specific to Timothy Grass (Mean ± SEM)

From: Key Role of Water-Insoluble Allergens of Pollen Cytoplasmic Granules in Biased Allergic Response in a Rat Model

Treatment Group

NC

Washed PCGs

Unwashed PCGs

Pollen

ws-Pol

0.08 ± 0.002

0.38 ± 0.12*†

2.73 ± 0.23*†

0.93 ± 0.11*

wi-Pol

0.05 ± 0.01

0.08 ± 0.02†

0.44 ± 0.06*

0.15 ± 0.04*†

  1. IgE absorbance (at 450 nm) was measured by ELISA, using water-soluble (ws) and water-insoluble (wi) pollen extracts. NC, negative control group; pollen, rats sensitized and challenged with 0.5 mg of pollen; unwashed PCGs, rats sensitized and challenged with 4.5 × 107 unwashed PCGs; washed PCGs, rats sensitized and challenged with 4.5 × 107 washed PCGs.
  2. *Significantly different from NC (P <0.05).
  3. †Significantly different from pollen group (P <0.05).