{"product_id":"alexa-fluor-488-mouse-anti-human-cd170-siglec-5-antibody-s-4097-s0b80283","title":"Alexa Fluor® 488 Mouse Anti-Human CD170 (Siglec-5) Antibody (S-4097)","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%;\"\u003eMouse\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%;\"\u003eCD170 (Siglec-5)\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%;\"\u003eSialic acid-binding Ig-like lectin 5; CD33 antigen-like 2; Obesity-binding protein 2 (OB-BP2; OB-binding protein 2); CD33L2; OBBP2; SIGLEC5\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%;\"\u003eMembrane\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%;\"\u003eO15389\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-4097\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%;\"\u003eIgG1,k\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%;\"\u003eFCM\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%;\"\u003eHu\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%;\"\u003eHuman Peripheral Blood cells\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 G\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%;\"\u003e0.2 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%;\"\u003eAlexa Fluor® 488\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, 1% BSA, 0.09% 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, 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\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\u003eFCM\u003c\/td\u003e\n\u003ctd\u003e5μl per million cells in 100μl volume\u003c\/td\u003e\n\u003ctd\u003eHu\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\u003eCD170 protein, also known as sialic acid-binding immunoglobulin-like lectin-5 (Siglec-5), is a type I transmembrane inhibitory receptor primarily expressed on myeloid cells (such as monocytes, macrophages, and neutrophils) and some B cells. It belongs to the immunoglobulin superfamily and the \u003c\/span\u003e\u003cspan\u003eSiglec\u003c\/span\u003e\u003cspan\u003e family. Its extracellular region contains an immunoglobulin-like domain that specifically recognizes and binds to \u003c\/span\u003e\u003cspan\u003esialylated\u003c\/span\u003e\u003cspan\u003e glycans (commonly found on host cell surfaces), while its intracellular region contains an immunoreceptor tyrosine-based inhibitory motif (ITIM). Upon binding to \u003c\/span\u003e\u003cspan\u003esialylated\u003c\/span\u003e\u003cspan\u003e self-ligands, the ITIM domain of CD170 becomes phosphorylated, recruiting and activating SH2 domain-containing protein tyrosine phosphatases (e.g., SHP-1\/SHP-2), thereby transmitting potent inhibitory signals that negatively regulate the activation of myeloid cells, the production of inflammatory cytokines, and phagocytic functions. This mechanism plays a critical role in maintaining immune homeostasis and preventing excessive inflammatory responses against self-tissues. In pathological conditions, certain pathogens or tumor cells can evade immune surveillance by engaging CD170 through \"molecular mimicry\" or \"decoy\" mechanisms using surface \u003c\/span\u003e\u003cspan\u003esialylated\u003c\/span\u003e\u003cspan\u003e glycans, thereby promoting persistent infection or tumor progression. Thus, CD170 is not only a key regulator of immune self-tolerance but also a potential target for infection immunotherapy and cancer immunotherapy. Modulating its function—for example, using monoclonal antibodies for blockade or agonism—may offer novel therapeutic strategies for autoimmune diseases, chronic inflammation, and cancer.\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e","brand":"Starter","offers":[{"title":"25T","offer_id":43095505928267,"sku":"S0B80283-25T","price":85.0,"currency_code":"USD","in_stock":true},{"title":"100T","offer_id":43095505961035,"sku":"S0B80283-100T","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8375\/1499\/files\/a8fd78a4ab3344c3a7955611d6e7f173.jpg?v=1788217340","url":"https:\/\/www.antbioinc.com\/products\/alexa-fluor-488-mouse-anti-human-cd170-siglec-5-antibody-s-4097-s0b80283","provider":"AntBio","version":"1.0","type":"link"}