{"product_id":"pd-l1-recombinant-rabbit-mab-s-3933-78-s0b60111","title":"PD-L1 Recombinant Rabbit mAb (S-3933-78)","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\u003eHost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eRabbit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eAntigen\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003ePD-L1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eSynonyms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eProgrammed cell death 1 ligand 1; PDCD1 ligand 1; Programmed death ligand 1; B7 homolog 1 (B7-H1); B7h1; Pdcd1l1; Pdcd1lg1; Pdl1; Cd274\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%;\"\u003eSynthetic Peptide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eLocation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eCell membrane, Endosome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eAccession\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eQ9EP73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eClone Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eS-3933-78\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\u003eIsotype\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eIgG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eWB, IHC-P\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%;\"\u003eMs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003ePositive Sample\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eB16-F0 treated with 100 ng\/ml mouse Interferon-γ for 24 hours\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\u003eConcentration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e0.5 mg\/ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eConjugation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eUnconjugated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003ePhysical Appearance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eLiquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eStorage Buffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e\u003cp\u003ePBS, 40% Glycerol, 0.05% BSA, 0.02% sodium azide\u003c\/p\u003e\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, -20 °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\u003eDilution\u003c\/h4\u003e\u003cdiv class=\"responsive-table product-detail-table details-table\"\u003e\n\u003cbr\u003e\u003ctable style=\"width: 60%; height: auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eapplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003edilution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003especies\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWB\u003c\/td\u003e\n\u003ctd\u003e1:1000\u003c\/td\u003e\n\u003ctd\u003eMs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIHC-P\u003c\/td\u003e\n\u003ctd\u003e1:250\u003c\/td\u003e\n\u003ctd\u003eMs\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 style=\"color:#000000\"\u003ePD-L1 (Programmed Death-Ligand 1, CD274, B7-H1) is a ~33 \u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003ekDa\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e type I trans-membrane glycoprotein that belongs to the B7 family of immune co-signaling molecules; it is expressed constitutively at low levels on resting T, B, and myeloid-lineage cells and is strongly up-regulated by pro-inflammatory cytokines such as IFN-\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eγ\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e, TNF-\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eα\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e, IL-4, GM-CSF and by oncogenic signaling pathways (EGFR, ALK, KRAS, PI3K-AKT, STAT3, HIF-1\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eα\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e, NF-\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eκ\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eB) in a wide spectrum of epithelial, hematopoietic, and mesenchymal tumors. Upon engagement with its cognate inhibitory receptor PD-1 (CD279) expressed on activated T, B, and NK cells, PD-L1 delivers a negative signal that recruits SHP-1\/2 phosphatases to the immunological synapse, thereby blocking PI3K-AKT and ZAP70 signaling, suppressing T-cell proliferation, cytokine production (IL-2, IFN-\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eγ\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e, TNF-\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eα\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e, granzyme B), and survival while promoting the induction and maintenance of peripheral tolerance, tissue-resident T-cell exhaustion, and Treg expansion. Clinically, PD-L1 protein expression\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e—\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003edetected by FDA-approved 22C3, 28-8, SP142, or SP263 IHC assays\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e—\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003eis a predictive biomarker for anti-PD-1\/PD-L1 checkpoint inhibitors used across more than 20 cancer types, with high membranous tumor and\/or immune cell staining (\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e≥\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e1\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e–\u003c\/span\u003e\u003cspan style=\"color:#000000\"\u003e50 % cutoff depending on tumor type) correlating with improved objective response rates and progression-free survival; conversely, PD-L1 overexpression is itself an independent adverse prognostic factor in untreated solid tumors, reflecting immune evasion and aggressive biology.\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e","brand":"Starter","offers":[{"title":"25μl","offer_id":43096308187211,"sku":"S0B60111-25μl","price":100.0,"currency_code":"USD","in_stock":true},{"title":"100µl","offer_id":43096308219979,"sku":"S0B60111-100µl","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8375\/1499\/files\/b883121e8b784bf1a63bfc8e453d81ef.jpg?v=1788235277","url":"https:\/\/www.antbioinc.com\/products\/pd-l1-recombinant-rabbit-mab-s-3933-78-s0b60111","provider":"AntBio","version":"1.0","type":"link"}