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Table 1 SPT results to various concentrations of nPru p 3, levels of serum specific IgE, IgG, IgG1 and IgG4 against nPru p 3, and DBPCFC before SLIT, and at the 4th, 8th and 12th month of active treatment

From: Specific sublingual immunotherapy with peach LTP (Pru p 3). One year treatment: a case report

SPT (mm)     
  T = 0 T = 4 months T = 8 months T = 12 months
Histamine 6 6 7 8
nPru p 3 1 µg/ml 3 3 2 2
nPru p 3 10 µg/ml 6 4 3 2
nPru p 3 100 µg/ml 12 5 4 3
nPru p 3 500 µg/ml 14 6 5 4
sIg levels     
sIgE Pru p 3 (kU/L) 1.8 1.7 1.2 1.9
sIgG Pru p 3* 0.76 0.94 0.84 0.76
sIgG1 Pru p 3** 0.60 0.74 0.71 0.62
sIgG4 Pru p 3** 0.83 1.01 1.04 0.75
DBPCFC Positive Negative Negative Negative
  1. *Absorbance at 492 nm with 1:200 diluted serum
  2. **Absorbance at 492 nm with 1:50 diluted serum
  3. ***Absorbance at 492 nm with 1:100 diluted serum