Table 1.
Characteristics and investigational results of the 3 cases.
| Case 1 | Case 2 | Case 3 | |
|---|---|---|---|
| Symptom onset (age) | 9 years | 10 years | 13 years |
| Gender | Male | Male | Female |
| Causative food | Tofu | Tofu | Tofu |
| Type of exercise | Running | Running | Running |
| Symptoms | Cough, itch, flush | Urticaria, nasal blockage, pallor, loss of activity | Skin rash, swelling of eyelids, wheeze |
| Co-morbid allergies | FA (Peanut), SAR | FA (Peanut, walnut) | SAR |
| Skin Prick Test | Not performed | Positive | Positive |
| OFC | Not performed | Positive | Positive |
| Immunoblotting | Positive | Positive | Not performed |
| Specific IgE to soybean, soybean components | 12.60 UA/ml, | 11.90 UA/ml | 0.64 UA/ml |
| Gly m 4 | 0.835 UA/ml | 3.3 (ISU) | 4.43 UA/ml |
| Gly m 5 | 4.37 UA/ml, | 0.3 (ISU) | <0.100 UA/ml |
| Gly m 6 | 17.6 UA/ml | 7.1 (ISU) | 0.133UA/ml |
FA: Food Allergy; SAR: Seasonal Allergic Rhinitis; OFC: Oral Food Challenge.
ISU: ISAC Standardized Units; Gly m 4: Glycine max 4; Gly m 5: Glycine max 5.
Gly m 6: Glycine max 6