{"product_id":"recombinant-human-interleukin-33-rhuil-33-bhp11300363","title":"Recombinant Human Interleukin-33 (rHuIL-33)","description":"\u003cstyle\u003e.bhp-desc{font-size:16px;color:#1a1a1a;line-height:1.7}.bhp-desc h2{font-size:18px;font-weight:700;color:#003366;margin:24px 0 10px;padding-bottom:6px;border-bottom:2px solid #003366}.bhp-desc p{margin:0 0 12px}.bhp-desc .bhp-spec-table{width:100%;border-collapse:collapse;margin:12px 0 18px}.bhp-desc .bhp-spec-table th{width:36%;text-align:left;padding:8px 12px;background:#e8f0fb;color:#003366;font-weight:600;vertical-align:top;border:1px solid #ccd9f0}.bhp-desc .bhp-spec-table td{padding:8px 12px;vertical-align:top;border:1px solid #ccd9f0}.bhp-desc .bhp-qc-badge{display:inline-block;background:#e6f4ea;color:#1a7a3c;border:1px solid #a8d5b5;border-radius:4px;padding:6px 14px;font-size:14px;font-weight:600;margin-right:8px}.bhp-desc .bhp-warning-box{background:#fff8e6;border-left:4px solid #e6a817;padding:10px 14px;margin:10px 0 14px;border-radius:0 4px 4px 0}.bhp-desc .bhp-cat-pill{display:inline-block;background:#003366;color:#fff;border-radius:20px;padding:3px 12px;font-size:13px;margin-bottom:10px}\u003c\/style\u003e\n\u003cdiv class=\"bhp-desc\"\u003e\n\u003ch2\u003eScientific Background\u003c\/h2\u003e\n\u003cp\u003eIL33, also known as NFHEV and DVS 27, is a 30 kDa proinflammatory protein that may also regulate gene transcription. IL33 is constitutively expressed in smooth muscle and airway epithelia. It is upregulated in arterial smooth muscle, dermal fibroblasts, and keratinocytes following IL1α or IL1β stimulation. IL-33 shares structural and functional characteristics with the IL-1 cytokine family. It binds and signals through the IL-1RL1\/ST2 receptor activating NF-kappaB and MAP kinases. IL-33 induces production of TH2 cell related cytokines, including IL-4, IL-5 and IL-13, and exerts multiple inflammation related bioactivities.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cspan class=\"bhp-cat-pill\"\u003eE. coli Expression\u003c\/span\u003e\n\u003cp\u003eRecombinant Interleukin-33 Human protein is produced using a validated E. coli expression system and supplied as lyophilized powder for long-term stability. Suitable for use in functional bioassays, ELISA standard curves, receptor binding studies, antibody validation, and related research applications.\u003c\/p\u003e\n\n\u003ch2\u003eProtein Specifications\u003c\/h2\u003e\n\u003ctable class=\"bhp-spec-table\"\u003e\n  \u003ctr\u003e\n\u003cth\u003eExpression System\u003c\/th\u003e\n\u003ctd\u003eE. coli\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMolecular Weight\u003c\/th\u003e\n\u003ctd\u003eApproximately 17.9 kDa, a single non-glycosylated polypeptide chain containing 159 amino acids.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePurity\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;97% by SDS-PAGE and HPLC analyses.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eEndotoxin\u003c\/th\u003e\n\u003ctd\u003eLess than 1EU\/mg of rHuIL-33 as determined by LAL method.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePhysical Form\u003c\/th\u003e\n\u003ctd\u003eSterile Filtered White lyophilized (freeze-dried) powder.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eFormulation\u003c\/th\u003e\n\u003ctd\u003eLyophilized from a 0.2μm filtered concentrated solution in 20mM PB, 150mM NaCl, …\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eReconstitution\u003c\/th\u003e\n\u003ctd\u003eWe recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg\/mL. Stock solutions should be apportioned into working aliquots and stored at \u0026lt;-20°C. Further dilutions should be made in appropriate buffered solutions.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eThis lyophilized preparation is stable at 2-8°C, but should be kept at -20°C for long term storage, …\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"bhp-qc-badge\"\u003e✓ Purity Verified by SDS-PAGE\u003c\/div\u003e \u003cdiv class=\"bhp-qc-badge\"\u003e✓ LAL Endotoxin-Tested\u003c\/div\u003e\n\n\u003ch2\u003eFunctional Activity\u003c\/h2\u003e\n\u003cp\u003eFully biologically active when compared to standard. The ED50 as determined by the dose-dependent stimulation of the proliferation of murine D10S cells is ≤0.05ng\/ml, corresponding to a specific activity of ≥2×107units\/mg.\u003c\/p\u003e\n\u003ch2\u003eSafety \u0026amp; Handling\u003c\/h2\u003e\n\u003cdiv class=\"bhp-warning-box\"\u003e\u003cp\u003eThis material is offered by USA Bioworld biotech for research, laboratory or further evaluation purposes. NOT FOR HUMAN USE.   Made  in China\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bioworld Technology Inc","offers":[{"title":"1 mg","offer_id":53326146371949,"sku":"PR1071-1MG","price":0.0,"currency_code":"USD","in_stock":true},{"title":"2 ug","offer_id":53326169669997,"sku":"PR1071-2UG","price":158.0,"currency_code":"USD","in_stock":true},{"title":"10 ug","offer_id":53326169702765,"sku":"PR1071-10UG","price":298.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.ebiohippo.com\/products\/recombinant-human-interleukin-33-rhuil-33-bhp11300363","provider":"BioHippo","version":"1.0","type":"link"}