Human IgG subclass ELISA Kit


IgG subclass



Cat. No.:

M1551 pdf (datasheet)


2 Plates


Human IgG comprises four subclasses: IgG1, IgG2, IgG3 and IgG4. The biochemical characteristics of the IgG subclasses have been described extensively. The differences between IgG subclasses are reflected in several biologically important functions such as antigen recognition, complement activation and binding to cell surface receptors. Many studies have revealed that abnormalities in serum levels of IgG subclasses may be associated with various disease states. Especially the association of selective IgG2 subclass deficiency with increased susceptibility to viral or bacterial infections has been amply documented. Low serum levels of IgG2 or IgG3 have been reported in patients with recurrent upper and lower respiratory tract infections. Others have found an association between very low IgG4 serum concentrations and recurrent sino-pulmonary infections. Abnormalities in the serum levels of IgG subclasses have also been observed in autoimmune diseases, neurological disorders and in HIV infections.

The PeliClass human subclass ELISA kit is a 'sandwich'-type enzyme immunoassay. The kit contains microwell strips coated with highly avid monoclonal antibodies, each specific for one of the human IgG subclasses.  IgG subclass control serum is assayed to check the validity of the calibration curves and the accuracy of the IgG subclass determinations. The IgG subclass levels in the calibrator(s) were determined using a calibrator derived from the WHO 67/97 reference preparation. 

Target values:    5.0 g/L for IgG1

                          2.6 g/L for IgG2

                          0.4 g/L for IgG3

                          0.5 g/L for IgG4 

Kit Plates:

Precoated stripwell plates


ELISA kit is stored upright at 2-4°C until the expiration date. Kit components are stable at 2-4°C for 1 week after opening. Transport conditions may differ from storage conditions.