{"product_id":"rat-il-4-culture-media-onestep-elisa-kit-s0c3246","title":"Rat IL-4 culture media 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: 5.2%\u003cbr\u003eInter-assay: 5.5%\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%;\"\u003eCell culture supernatant\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%;\"\u003e2.6 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%;\"\u003e6.3 pg\/mL – 400 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%;\"\u003eCell culture supernatant: 89%\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":48958511808587,"sku":"S0C3246-1x24T","price":120.0,"currency_code":"USD","in_stock":true},{"title":"1x48T","offer_id":48958511841355,"sku":"S0C3246-1x48T","price":200.0,"currency_code":"USD","in_stock":true},{"title":"1x96T","offer_id":48958511874123,"sku":"S0C3246-1x96T","price":500.0,"currency_code":"USD","in_stock":true},{"title":"5x96T","offer_id":48958511906891,"sku":"S0C3246-5x96T","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"10x96T","offer_id":48958511939659,"sku":"S0C3246-10x96T","price":5000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8375\/1499\/files\/f83a17b573e3460cb6aed439437d2f76_518d547b-96ef-4d6b-9a19-a03f3a60acd9.jpg?v=1790578838","url":"https:\/\/www.antbioinc.com\/products\/rat-il-4-culture-media-onestep-elisa-kit-s0c3246","provider":"AntBio","version":"1.0","type":"link"}