| Field | Specification |
|---|---|
| Target | |
| Alternative names | Lysosome-associated membrane glycoprotein 1; LAMP-1; Lysosome-associated membrane protein 1; CD107 antigen-like family member A; CD antigen CD107a; LAMP1 |
| Gene ID | |
| UniProt # | |
| Reactivity | |
| Applications | |
| Immunogen | Expression system for standard: NS0; Immunogen sequence: A29-M382 |
| Expression system | |
| Expression region | |
| Assay type | |
| Sample type(s) | Cell Culture Supernatant, Serum, Plasma |
| Sensitivity | |
| Detection range | |
| Assay time | |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Assay Principle
This sandwich ELISA quantifies human lysosome-associated membrane glycoprotein 1 (gene LAMP1) in cell culture supernatants, 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.
LAMP1 (CD107a) is a heavily glycosylated membrane protein that lines the lysosome and is one of the most widely used lysosomal markers. It supports lysosome biogenesis, acidification and autophagy, in part by restraining the proton channel TMEM175. In NK cells and cytotoxic T cells it appears on the surface after degranulation, so CD107a staining is a standard readout of cytotoxic activity.
Kit Components
| Anti-Human LAMP1 Pre-coated 96-well Strip Microplate | 12 strips of 8 wells |
|---|---|
| Human LAMP1 Standard | 2 × 20 ng/tube |
| Human LAMP1 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 |
| 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.
Performance Data
| Species | Human |
|---|---|
| Sample types | Cell culture supernatants, serum and plasma (heparin, EDTA) |
| Assay range | 312 pg/mL–20,000 pg/mL |
| Sensitivity | <150 pg/mL |
| Standard | Recombinant human LAMP1 (Ala29–Met382), expressed in NS0 |
| Cross-reactivity | No significant cross-reactivity or interference with LAMP1 analogs in supplier testing; untested analogs cannot be excluded. |
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 (ng/ml) | 0 | 0.312 | 0.62 | 1.25 | 2.5 | 5 | 10 | 20 |
| O.D. | 0.01 | 0.073 | 0.138 | 0.255 | 0.465 | 0.802 | 1.384 | 2.096 |
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) | 574 | 899 | 5292 | 315 | 1211 | 5536 |
| Standard deviation | 19.17 | 21.31 | 346.1 | 13.55 | 54.98 | 400.81 |
| CV(%) | 3.3% | 2.4% | 6.5% | 4.3% | 4.5% | 7.2% |
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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