| Field | Specification |
|---|---|
| Target | |
| Alternative names | Growth arrest-specific protein 6;GAS-6;AXL receptor tyrosine kinase ligand;Gas6; |
| Gene ID | |
| UniProt # | |
| Reactivity | |
| Applications | |
| Immunogen | Expression system for standard: NS0; Immunogen sequence: D115-P673 |
| Expression system | |
| Expression region | |
| Assay type | |
| Sample type(s) | Cell Culture Supernatant, Cell Lysate, Serum, Plasma |
| Sensitivity | |
| Detection range | |
| Assay time | |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Assay Principle
This sandwich ELISA quantifies mouse growth arrest-specific protein 6 (gene Gas6) in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Strips are pre-coated with a capture antibody. After the sample is added, a biotinylated detection antibody binds the captured protein, and an avidin–biotin–peroxidase complex supplies the enzyme. TMB develops color in proportion to the bound target; the reaction is stopped and read at 450 nm, and concentrations are read from the standard curve.
GAS6 is a vitamin K-dependent secreted protein that binds the TAM receptor tyrosine kinases AXL, TYRO3 and MERTK. Its Gla domain binds phosphatidylserine on apoptotic cells, linking them to TAM receptors for clearance by phagocytes. GAS6 signaling also affects cell survival, migration, platelet function and inflammation, and it is studied in cancer and immunity.
Kit Components
| Anti-Mouse Gas6 Pre-coated 96-well strip microplate | 1 plate (96 wells) |
|---|---|
| Mouse Gas6 Standard | 2 vials, 10 ng/tube |
| Mouse Gas6 Biotinylated antibody (100x) | 100 µL |
| Avidin-Biotin-Peroxidase Complex (100x) | 100 µL |
| Sample Diluent | 30 mL |
| Antibody Diluent | 12 mL |
| Avidin-Biotin-Peroxidase Diluent | 12 mL |
| Color Developing Reagent (TMB) | 10 mL |
| Stop Solution | 10 mL |
| Wash Buffer (25x) | 20 mL |
| Adhesive plate sealers | 4 |
Also required (not supplied): microplate reader for 450 nm; incubator; automated plate washer (optional); precision pipettes for 0.5 µL through 1 mL volumes of aqueous solutions; multichannel pipettes (recommended for many samples); deionized or distilled water; 500 mL graduated cylinders; test tubes for dilution.
Kit components are not sold separately.
Performance Data
| Species | Mouse |
|---|---|
| Sample types | Cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA) |
| Assay range | 31.2 pg/mL–2,000 pg/mL |
| Sensitivity | <10 pg/mL |
| Standard | Recombinant mouse Gas6 (Asp115–Pro673), expressed in NS0 |
| Cross-reactivity | None detected against related proteins in supplier testing |
| Intra-assay CV | 4.0–6.1% (3 samples, n = 16 each) |
| Inter-assay CV | 5.0–6.4% (3 samples, n = 24 each) |
| Format | 96 wells, removable strips |
Sample dilution: start at 1:50. In the supplier’s tests, serum and plasma samples measured 10–50 ng/mL.
Example standard curve (OD450, pg/mL): 0 = 0.02; 31.2 = 0.071; 62.5 = 0.124; 125 = 0.208; 250 = 0.393; 500 = 0.743; 1000 = 1.395; 2000 = 2.392. Run a new standard curve on every plate.
Storage & Handling
Store at 4 °C for up to 6 months or −20 °C for up to 12 months. Avoid repeated freeze–thaw cycles. Ships on gel ice and tolerates up to 3 days at room temperature; freeze on arrival.
Safety
Sample data
| Concentration (pg/ml) | 0 | 31.2 | 62.5 | 125 | 250 | 500 | 1000 | 2000 |
| O.D. | 0.02 | 0.071 | 0.124 | 0.208 | 0.393 | 0.743 | 1.395 | 2.392 |
Intra/inter assay consistency
| Intra-Assay Precision | Inter-Assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 16 | 16 | 16 | 24 | 24 | 24 |
| Mean (pg/ml) | 50 | 232 | 1017 | 51 | 224 | 949 |
| Standard deviation | 2 | 14.15 | 57.96 | 2.55 | 14.33 | 55.79 |
| CV (%) | 4% | 6.1% | 5.7% | 5% | 6.4% | 5.9% |
Kit components
Description|Quantity Pre-coated 96-well strip microplate|1 Standard|2 vials Biotinylated antibody (100x)|100ul Avidin-Biotin-Peroxidase Complex (100x)|100ul Sample Diluent|30ml Antibody Diluent|12ml Avidin-Biotin-Peroxidase Diluent|12ml Color Developing Reagent (TMB)|10ml Stop Solution|10ml Wash Buffer (25x)|20ml Adhesive plate sealers|4Materials required but not provided
- Microplate Reader capable of reading absorbance at 450nm.
- Incubator.
- Automated plate washer (optional).
- Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
- Multichannel pipettes are recommended for large amount of samples.
- Deionized or distilled water.
- 500ml graduated cylinders.
- Test tubes for dilution.
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Chenxi Lu et al. (2024) Pleiotropic role of GAS6 in cardioprotection against ischemia-reperfusion injury. Journal of Advanced Research. 10.1016/j.jare.2024.04.020
Ting Ji et al. (2023) GAS6 attenuates sepsis-induced cardiac dysfunction through a NLRP3 inflammasome-dependent mechanism. Free Radical Biology and Medicine. 10.1016/j.freeradbiomed.2023.11.007
