{"product_id":"rat-il-4-serum-plasma-onestep-elisa-kit-s0c3245","title":"Rat IL-4 serum \u0026 plasma OneStep ELISA Kit","description":"\u003ch4\u003eProduct Specification\u003c\/h4\u003e\u003cdiv class=\"responsive-table product-detail-table details-table\"\u003e\n\u003cbr\u003e\u003ctable style=\"width: 100%; height: auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eAntigen\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eIL-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eImmunogen\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eRecombinant Protein\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eAntibody Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eRecombinant mAb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eReactivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eRat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003ePurification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eProtein A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eStability \u0026amp; Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e\u003cp\u003e12 months from date of receipt \/ reconstitution, 2 to 8°C as supplied.\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch4\u003eKit\u003c\/h4\u003e\u003cdiv class=\"responsive-table product-detail-table details-table\"\u003e\n\u003cbr\u003e\u003ctable style=\"width: 100%; height: auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003ePrecision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eIntra-assay: 3.4%\u003cbr\u003eInter-assay: 4.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eSample type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eSerum; Plasma\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eAssay type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eSandwich (quantitative)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e3.24 pg\/mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e18.8 pg\/mL – 1200 pg\/mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eRecovery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eSD Rat Serum: 109%\u003cbr\u003eSD Rat EDTA Plasma: 108%\u003cbr\u003eSD Rat heparin Plasma: 101%\u003cbr\u003eLewis Rat Serum: 96%\u003cbr\u003eLewis Rat EDTA Plasma: 96%\u003cbr\u003eSHR Rat EDTA Plasma: 101%\u003cbr\u003eSHR Rat citrate Plasma: 99%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eAssay time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e60 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch4\u003eBackground\u003c\/h4\u003e\u003cdiv\u003e\u003cp\u003e\u003cspan\u003eRat interleukin-4 (IL-4) is a pleiotropic cytokine primarily produced by activated T cells, mast cells, basophils, and NK1.1+ T cells. It plays a central role in driving Th2 immune responses and is a key regulator of B-cell activation, inducing class II MHC expression and enhancing the secretion of IgE and IgG1. The protein signals through the interleukin-4 receptor, activating the JAK\/STAT6 pathway, which mediates its immunoregulatory functions. The full-length rat IL-4 precursor is 147 amino acids with a predicted mass of approximately 16.2 kDa. The mature secreted protein, typically produced recombinantly as a 126-amino-acid globular polypeptide, has a molecular weight of about 14.0 kDa. Recombinant rat IL-4 is commonly expressed in \u003c\/span\u003e\u003cspan style=\"font-style:italic\"\u003eE. coli\u003c\/span\u003e\u003cspan\u003e and its biological activity is often confirmed by its ability to stimulate the proliferation of rat splenocytes. Given its critical role in Th2-mediated immunity and allergic responses, rat IL-4 is an essential tool for studying these pathways in preclinical models.\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e","brand":"Starter","offers":[{"title":"1x24T","offer_id":48958511513675,"sku":"S0C3245-1x24T","price":170.0,"currency_code":"USD","in_stock":true},{"title":"1x48T","offer_id":48958511546443,"sku":"S0C3245-1x48T","price":285.0,"currency_code":"USD","in_stock":true},{"title":"1x96T","offer_id":48958511579211,"sku":"S0C3245-1x96T","price":700.0,"currency_code":"USD","in_stock":true},{"title":"5x96T","offer_id":48958511611979,"sku":"S0C3245-5x96T","price":3500.0,"currency_code":"USD","in_stock":true},{"title":"10x96T","offer_id":48958511644747,"sku":"S0C3245-10x96T","price":7000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8375\/1499\/files\/5c0c19406cfb4778a622617ed01f3c99_4ee5dcf5-918f-4fb2-b961-3b1041962db1.jpg?v=1790578839","url":"https:\/\/www.antbioinc.com\/products\/rat-il-4-serum-plasma-onestep-elisa-kit-s0c3245","provider":"AntBio","version":"1.0","type":"link"}