{"product_id":"abcam-ab263893","title":"Abcam, ab263893, Human CD59 ELISA Kit","description":"\u003cp\u003eSize: 1 x 96Tests\u003cbr\u003e\nHuman CD59 ELISA Kit is a single-wash 90-min Simplestep used to quantify Human CD59 with a sensitivity of 4.9 pg\/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step. - Colorimetric Sandwich ELISA - 450 nm readout : works on any standard plate reader - Design your own immunoassay: we also offer the conjugation-ready antibody pair\u003cbr\u003e\nKey facts\u003cbr\u003e\nDetection method:Colorimetric,\u003cbr\u003e\nSample types:Urine, Tissue Extracts, Heparin Plasma, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma,\u003cbr\u003e\nReacts with:Human,\u003cbr\u003e\nAssay type:Sandwich (quantitative),\u003cbr\u003e\nSensitivity:= 4.9 pg\/mL,\u003cbr\u003e\nRange:23.44 - 1500 pg\/mL,\u003cbr\u003e\nAssay time:1h 30m,\u003cbr\u003e\nAssay Platform:Pre-coated microplate (12 x 8 well strips)\u003c\/p\u003e\n\n\u003cp\u003eProduct details:\u003cbr\u003e\nHuman CD59 ELISA Kit ab263893 is a rapid single-wash 90-min Sandwich ELISA to measure Human CD59 in cell culture supernatant, citrate plasma, EDTA plasma, heparin plasma, serum, tissue extracts, urine. This SimpleStep sensitivity is 4.9 pg\/mL.\u003cbr\u003e\nHow the assay works\u003cbr\u003e\nHuman CD59 SimpleStep ELISA\u003cbr\u003e\nemploys capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA\u003cbr\u003e\nplates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA\u003cbr\u003e\nprotocol summary in the image section for further details.\u003cbr\u003e\nAssay Specificity\u003cbr\u003e\nOur SimpleStep ELISA\u003cbr\u003e\nkits use recombinant monoclonal antibodies rigorously validated to ensure the highest level of consistency and reproducibility, improved sensitivity and specificity and ease of scalability and security of supply.\u003cbr\u003e\nPlease refer to our protocol booklet for more details.\u003cbr\u003e\nHuman CD59 ELISA Kit ab263893 protocol summary\u003cbr\u003e\n1. Mix: add samples\/standards to the wells together with the capture and detector antibody cocktail. Incubate 1 hr at room temperature\u003cbr\u003e\n2. Wash\u003cbr\u003e\n3. Add TMB development solution - incubate for 10 min\u003cbr\u003e\n4. Add Stop solution\u003cbr\u003e\n5. Read the results on a plate reader at 450 nm\u003cbr\u003e\nDesign your own immunoassay\u003cbr\u003e\nWe offer the antibody pair used in this kit in a BSA and Azide-free format, ready for conjugation:\u003cbr\u003e\n- Anti-CD59 antibody [EPR22394-28] - BSA and Azide free (Capture)\u003cbr\u003e\nab267422\u003cbr\u003e\n- Anti-CD59 antibody [EPR22394-40] - BSA and Azide free (Detector)\u003cbr\u003e\nab267422\u003cbr\u003e\nCD59 is a potent inhibitor of the complement membrane attack complex (MAC). It acts by binding to C8 and\/or C9 of the assembling MAC, thereby preventing incorporation of the multiple copies of C9 required for complete formation of the osmolytic pore. This inhibitor appears to be species-specific. Involved in signal transduction for T-cell activation complexed to a protein tyrosine kinase. The soluble form from urine retains its specific complement binding activity but exhibits greatly reduced ability to inhibit MAC assembly on cell membranes. Glycated CD59 is found in diabetic subjects, but only at minimal levels in nondiabetic subjects. Glycated CD59 lacks MAC-inhibitory function and confers to vascular complications of diabetes. Human CD59 shares 46%, 44%, and 47% sequence homology with mouse, rat, and bovine, respectively.\u003cbr\u003e\nREACH authorisation\u003cbr\u003e\nAbcam has not and does not intend to apply for the REACH Authorisation of customers' uses of products that contain European Authorisation list (Annex XIV) substances.\u003cbr\u003e\nIt is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.\u003c\/p\u003e\n\n\u003cp\u003eProperties and Storage Information:\u003cbr\u003e\nShipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-+4°C\u003c\/p\u003e\n\n\u003cp\u003eSupplementary Information:\u003cbr\u003e\nThis supplementary information is collated from multiple sources and compiled automatically.\u003cbr\u003e\nCD59 also known as protectin is a protein with a molecular mass of approximately 18-25 kDa. It is widely expressed on the surface of many human cells including red blood cells and various types of leukocytes. CD59 serves as an inhibitor of the complement membrane attack complex (MAC) preventing cell lysis caused by terminal complement proteins. Through this mechanism it regulates complement activation and maintains cell integrity by halting the formation of MAC.\u003cbr\u003e\nBiological function summary\u003cbr\u003e\nOne important feature of CD59 is its role as a glycosylphosphatidylinositol (GPI)-anchored protein involved in safeguarding cells from complement-mediated damage. It does not exist within a larger complex but functions at the cell surface to inhibit the assembly of complement components C5b-9 which form the MAC. This ability to inhibit MAC is essential in maintaining self-tissue from unintended damage during immune responses.\u003cbr\u003e\nPathways\u003cbr\u003e\nCD59 participates in the regulation of the complement cascade specifically within the terminal pathway. The complement system serves as a bridge between innate and adaptive immunity contributing to processes like opsonization and cell lysis. CD59's inhibitory action directly impacts pathways that utilize terminal components such as C5b. Effective CD59 function prevents excessive complement activation ensuring that an immune response does not damage host tissues. It links closely with other complement regulatory proteins like CD55 which also mitigate complement cascade activation.\u003cbr\u003e\nDeficiencies or malfunctions in CD59 have notable implications. Paroxysmal nocturnal hemoglobinuria (PNH) is a disorder where lack of CD59 expression on blood cells leads to their increased destruction due to unregulated complement activity. Furthermore CD59's dysfunction or inadequacy also associates with atypical hemolytic uremic syndrome (aHUS) which involves mutant complement regulatory proteins causing overactivation of the complement system. These associations highlight the importance of CD59 in both maintaining cellular health and preventing pathophysiological conditions related to complement overactivity.\u003c\/p\u003e","brand":"Abcam","offers":[{"title":"Default Title","offer_id":46843556987049,"sku":"ab263893","price":0.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/iright.com\/products\/abcam-ab263893","provider":"Iright","version":"1.0","type":"link"}