Involvement of sub-classes of IgG that are specific for food allergens in anaphylactoid reactions and some manifestations of atopy no longer needs to be shown. Accordingly, sub-classes of IgG specific for ovalbumin (OVA) and beta-lactoglobulin (BLG) were compared in healthy subjects and those who presented with an intolerance or food allergy to OVA and BLG to decide whether a restrictive diet was necessary. The four sub-classes of IgG1, IgG2, IgG3 and IgG4 were isolated in all the groups. IgG4 was highest in the allergic subjects and the IgG sub-class values were modified by the diet differently in each group. Unfortunately, the small number of subjects does not allow the formation of a definite conclusion to this study.
IgG subclasses to food antigens
LUNARDI, Claudio;
1988-01-01
Abstract
Involvement of sub-classes of IgG that are specific for food allergens in anaphylactoid reactions and some manifestations of atopy no longer needs to be shown. Accordingly, sub-classes of IgG specific for ovalbumin (OVA) and beta-lactoglobulin (BLG) were compared in healthy subjects and those who presented with an intolerance or food allergy to OVA and BLG to decide whether a restrictive diet was necessary. The four sub-classes of IgG1, IgG2, IgG3 and IgG4 were isolated in all the groups. IgG4 was highest in the allergic subjects and the IgG sub-class values were modified by the diet differently in each group. Unfortunately, the small number of subjects does not allow the formation of a definite conclusion to this study.
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