Certificate of Analysis

 

Product Name: Recombinant Rat IL-4 Protein (CHO, C-His)
Catalog Number: M40612

Physical and Chemical Properties
Form: Lyophilized powder
Solubility: Reconstitute the lyophilized powder in ddH2O or PBS to a concentration not less than 100 μg/mL.
Storage: Stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days and at -20°C for 3 months.
Product Information
Description: Interleukin-4 (IL-4) is a pleiotropic cytokine regulates diverse T and B cell responses including cell proliferation, survival, and gene expression. IL-4 regulates the differentiation of native CD4+ T cells (Th0 cells) into helper Th2 cells, and regulates the immunoglobulin class switching to the IgG1 and IgE isotypes.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.