Sandwich ELISA, Biotin-labelled antibody
Serum, Plasma, Cell culture supernatant
At ambient temperature. Upon receipt, store the product at the temperature recommended below.
Store the complete kit at 2–8°C. Under these conditions, the kit is stable until the expiration date (see label on the box).
Limit of Detection
Cytokines and chemokines and related molecules
IL-4 (15 to 19 kDa) is produced by a variety of T cell thymocyte populations, as well as some mast cell precursors that are non-T or B cell types. Il-4 plays an important role in the activation of resting B-cells and in the subsequent proliferation and differentiation of B-cells. IL-4 is essential for IgE synthesis in vitro and its involvement with allergic diseases has been investigated. Il-4 has anti-inflammatory effects.