Description_x000D_ General description_x000D_ Interleukin-23 (IL-23) is a pro-inflammatory cytokine. It is mostly synthesized by activated DC (dendritic cells) and macrophages. It is a 20.7 kDa protein that has 189 amino acids. IL-23 is mostly expressed on activated/memory T cells and natural killer (NK) cells. This gene is located on human chromosome 12q13.3._x000D_ The IL23A ELISA kit provides for the Quantitative measurement of IL-23 in Cell Culture Supernatants, Plasma and Serum._x000D_ Application_x000D_ For research use only. Not for use in diagnostic procedures._x000D_ Please refer to the attached General ELISA KIT Procedure (sandwich, competitive & Indirect ELISA)_x000D_ Biochem/physiol Actions_x000D_ Interleukin-23 (IL-23) plays a major role in cutaneous immune-mediated inflammatory diseases like psoriasis, allergic contact dermatitis and atopic dermatitis. It is involved in cellular immunity driving the expansion, stabilization and survival of Th17 cells._x000D_ Other Notes_x000D_ A sample Certificate of Analysis is available for this product._x000D_ Please type the word sample in the text box provided for lot number.