{"product_id":"recombinant-human-tnf-alpha-protein-animal-free-active-low-endo-bep-0046ul","title":"Recombinant Human TNF-alpha Protein, Animal-Free, Active, Low Endotoxin","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003ch3 class=\"font_9\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003eProduct Overview\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eRecombinant Human TNF-alpha Protein, Animal-Free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eTarget Symbol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eTNF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eAlternative Names\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eTumor Necrosis Factor alpha, TNF, TNFA, APC1, TNFSF2, Tumor Necrosis Factor Ligand Superfamily Member 2, Differentiation Inducing Factor, DIF, Cachectin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eAccession Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eP01375.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eExpression System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eE. coli using an animal component-free system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eMolecular Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003e17.4 kDa (monomer, predicted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eSequence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eVal77-Leu233\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003ePurity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003e\u0026gt;98% by SDS-PAGE and quantitative densitometry by Coomassie® Blue staining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eActivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eDetermined by a cell proliferation assay using mouse L-929 cells treated with Actinomycin D. The ED50 for this effect is typically \u0026lt;40 pg\/mL.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eFormulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eLyophilized from sterile phosphate buffer with Trehalose, pH 8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eEndotoxin Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003e\u0026lt;0.001 EU per 1 μg of the protein as determined by the LAL method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eShipped at ambient temperature.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eStability \u0026amp; Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003e12 months from date of receipt at -20°C to -70°C, lyophilized powder.\n3 months at -20°C to -70°C under sterile conditions after reconstitution.\nAvoid repeated freeze-thaw cycles.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eReconstitution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eReconstitute at 100 μg\/mL in sterile PBS. Optionally, use PBS with 0.1% BSA.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eTarget Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eTumor Necrosis Factor-alpha (TNF-alpha) was initially associated as a proinflammatory cytokine expressed by macrophages. However, TNF-alpha also regulates apoptosis, tumor cell death, lipid metabolism and cell differentiation of T cells, B cells and NK cells. There are 2 receptors for TNF-alpha, a ubiquitously expressed TNFR1 (CD120a) homotrimer containing an apoptotic pathway trigger and the TNFR2 (CD120b) homotrimer that is commonly restricted to epithelial, endothelial and specific immune cells.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eTissue Specificity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eTNF-alpha expression has been identified in adipose tissue, microglia, fibroblasts, endothelia tissue, and epithelial tissue.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eCellular Localization\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eMembrane-bound and cleaved soluble protein forms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\" data-mce-style=\"width: 30%;\"\u003e\u003cstrong\u003eInvolvement In Disease\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70%;\" data-mce-style=\"width: 70%;\"\u003eDysregulation of TNF-alpha is implicated in rheumatoid arthritis, inflammatory bowel disease (IBD), psoriasis, ankylosing spondylitis, systemic lupus erythematosus (SLE), systemic sclerosis (SSc), multiple sclerosis (MS) and insulin resistance in type 2 diabetes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Beta LifeScience","offers":[{"title":"100ug","offer_id":48253310468321,"sku":"BEP-0046UL","price":363.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0624\/2169\/6737\/files\/EXRP022-SDSPAGE.png?v=1777340581","url":"https:\/\/www.betalifesci.com\/products\/recombinant-human-tnf-alpha-protein-animal-free-active-low-endo-bep-0046ul","provider":"Beta LifeScience","version":"1.0","type":"link"}