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| Catalog: | C-EL-2071T |
| Product Type: | Test kit |
| Size: | 96 tests |
| Principle: | Sandwich ELISA |
| Species: | Human |
| Detection range: | 0.5-32 ng/mL |
| Sensitivity: | 0.16 ng/mL |
| Sample type: | Serum, Plasma, Cell culture supernatants |
| Test type: | Quantitative |
| Analysis mode: | ELISA |
| Storage: | All the reagents are stored at 2-8℃. Refer to the protocol for further storage instructions. |
| Synonyms:: | Pepsin A, PGA3, PGA4, PGA5 |
| Application: | PD-L1 (programmed cell death ligand 1, also known as CD274 or B7-H1) is a 290 aa type I transmembrane protein. PD-L1 is expressed constitutively on murine T cells, B cells, DCs, macrophages, mesenchymal stem cells and cultured bone marrow-derived mast cells. In addition, PD-L1 is also expressed on many nonhematopoietic cell types, including vascular endothelial cells, epithelial cells, muscle cells, hepatocytes, pancreatic islet cells, astrocytes in the brain, placental syncytiotrophoblasts, and cells in cornea, iris-ciliary body and retina of eye. PD-L1 is frequently upregulated in a wide variety of solid tumors, including melanoma, ovarian, lung, glioblastoma, breast, and pancreatic cancers. PD-L1 and PD-L2 are two ligands of PD-1. Engagement of PD-1 by PD-L1 or PD-L2 transduces a signal that inhibits T-cell proliferation, cytokine production, and cytolytic function. It is critical for the regulation of T cell function during tolerance, autoimmunity and infection. |
This test kit is a solid phase sandwich Enzyme Linked-Immuno-Sorbent Assay (Sandwich ELISA). The PGA5 ELISA kit is to be used to detect and quantify protein levels of endogenous PGA5. The assay recognizes human PGA5. An antibody specific for PGA5 has been pre-coated onto the microwells. The PGA5 protein in samples is captured by the coated antibody after incubation. Following extensive washing, another antibody specific for PGA5 is added to detect the captured PGA5 protein. For signal development, horseradish peroxidase (HRP)-conjugated antibody is added, followed by Tetramethyl-benzidine (TMB) reagent. Solution containing sulfuric acid is used to stop color development and the color intensity which is proportional to the quantity of bound protein is measurable at 450nm with the correction wavelength set at 630 nm.
Core Diagnostic Capabilities
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