Human IL13 protein
Recombinant protein from the full-length sequence of Homo sapiens interleukin 13 (IL13), transcript variant 1 (NM_002188), with a DYKDDDDK tag.
>90% by SDS-PAGE gel and Coomassie Blue staining
Antigens, Western, ELISA and other in vitro binding or in vivo functional assays, and protein-protein interaction studies; For research & development use only!
Purified protein formulated in a sterile solution of TBS buffer, pH7.4, without any preservatives
Endotoxin level is < 0.1 ng/µg of protein (<1EU /µg)
This gene encodes an immunoregulatory cytokine produced primarily by activated Th2 cells. This cytokine is involved in several stages of B-cell maturation and differentiation. It up-regulates CD23 and MHC class II expression, and promotes IgE isotype switching of B cells. This cytokine down-regulates macrophage activity, thereby inhibits the production of pro-inflammatory cytokines and chemokines. This cytokine is found to be critical to the pathogenesis of allergen-induced asthma but operates through mechanisms independent of IgE and eosinophils. This gene, IL3, IL5, IL4, and CSF2 form a cytokine gene cluster on chromosome 5q, with this gene particularly close to IL4. [provided by RefSeq, Jul 2008].
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