Human B7-H3/CD276 ELISA Kit
Cat No : KE00143
Synonyms
4Ig B7 H3, B7 H3, B7 homolog 3, B7H3, CD276, CD276 antigen, CD276 molecule, Costimulatory molecule, UNQ309/PRO352
Validation Data Gallery
Product Information
KE00143 is a solid phase sandwich Enzyme Linked-Immuno-Sorbent Assay (Sandwich ELISA). The B7-H3/CD276 ELISA kit is to be used to detect and quantify protein levels of endogenous B7-H3/CD276. The assay recognizes human B7-H3/CD276. An antibody specific for B7-H3/CD276 has been pre-coated onto the microwells. The B7-H3/CD276 protein in samples is captured by the coated antibody after incubation. Following extensive washing, another horseradish peroxidase (HRP)-conjugated antibody specific for B7-H3/CD276 is added to detect the captured B7-H3/CD276 protein. For signal development, 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 450 nm with the correction wavelength set at 630 nm.
| Product name | Human B7-H3/CD276 ELISA Kit |
| Tests | 1 X 96 well plate |
| Sample type | Serum, Plasma, Cell culture supernatants, Cell lysates, Urine |
| Assay type | Sandwich |
| Sensitivity | 0.6 pg/mL |
| Range | 9.4-600 pg/mL |
| Reactivity | Human |
| Tested applications | Sandwich ELISA |
| Gene ID (NCBI) | 80381 |
Recovery
| Sample Type | Average | Range |
|---|---|---|
| Human plasma | 85% | 77%-93% |
| urine | 87% | 79%-97% |
| Cell culture supernatants | 88% | 76%-104% |
| cell lysates | 88% | 75%-101% |
IntraAssay
| Sample | n | mean ( pg/mL) | SD | CV% |
|---|---|---|---|---|
| 1 | 20 | 289.4 | 8.5 | 2.9 |
| 2 | 20 | 60.4 | 1.3 | 2.1 |
| 3 | 20 | 14.2 | 0.4 | 2.5 |
InterAssay
| Sample | n | mean ( pg/mL) | SD | CV% |
|---|---|---|---|---|
| 1 | 24 | 289.0 | 10.3 | 3.6 |
| 2 | 24 | 60.1 | 1.7 | 2.9 |
| 3 | 24 | 14.3 | 0.6 | 4.4 |
Background Information
B7-H3 (CD276) is a type I transmembrane protein expressed on many tissues and cell types. B7-H3 is a 100-kDa glycoprotein that belongs to the B7 immunoregulatory family and participates in the regulation of T-cell-mediated immune response probably by functioning as both a T cell costimulator and coinhibitor. Overexpressed on a wide range of human solid cancers, B7-H3 has been implicated in cancer progression and metastasis and becomes an attractive target for cancer immunotherapy. Soluble form of B7-H3 (sB7-H3), released by monocytes, dendritic cells, activated T cells, and B7-H3-positive tumor cells, has been detected in human blood samples and cell culture supernatants.
Properties
| Storage Instructions | All the reagents are stored at 2-8℃ for 6 months or -20℃ for 12 months. Refer to the protocol for further storage instructions. |
| Synonyms | 4Ig B7 H3, B7 H3, B7 homolog 3, B7H3, CD276, CD276 antigen, CD276 molecule, Costimulatory molecule, UNQ309/PRO352 |
Publications
| Species | Sample Type | Title |
|---|---|---|
J Clin Lab Anal Evaluation of serum B7-H3 expression, ultrasound and clinical characteristics to predict the risk of cervical lymph node metastases in papillary thyroid carcinoma by nomogram |