| Field | Specification |
|---|---|
| Target | |
| Alternative names | Uteroglobin; Clara cell phospholipid-binding protein; CCPBP; Clara cells 10 kDa secretory protein; CC10; PCB-binding protein; Secretoglobin family 1A member 1; Scgb1a1; Cc10; Ugb; Utg |
| Gene ID | |
| UniProt # | |
| Reactivity | |
| Applications | |
| Immunogen | Expression system for standard: E.coli; Immunogen sequence: S20-V96 |
| Expression system | |
| Expression region | |
| Assay type | |
| Sample type(s) | Cell Culture Supernatant, Serum, Plasma, Urine |
| Sensitivity | |
| Detection range | |
| Assay time | |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Assay Principle
This EZ-Set™ kit supplies a matched capture and detection antibody pair and a standard for building your own sandwich ELISA for rat uteroglobin (gene Scgb1a1) in cell culture supernatants, serum, plasma (heparin, EDTA) and urine. You coat the plate with the capture antibody, add samples and standards, detect with the biotinylated antibody and an avidin–biotin–peroxidase complex, develop with TMB and read at 450 nm. Plates, diluents, wash buffer, TMB and stop solution are not included.
Uteroglobin (SCGB1A1), also called CC10 or CC16, is a small secreted protein and the founding member of the secretoglobin family. It is produced mainly by club cells in the airway epithelium, binds phospholipids and small hydrophobic molecules, dampens phospholipase A2 activity, and is widely used as a club cell marker in lung research.
Kit Components
| Rabbit anti-rat Scgb1a1 polyclonal antibody (Capture Antibody) | 500 µL, 0.4 mg/mL (recommended dilution 1:100) |
|---|---|
| Biotinylated goat anti-rat Scgb1a1 polyclonal antibody (Detection Antibody) | 500 µL, 3 µg/mL (recommended dilution 1:100) |
| Avidin-Biotin-Peroxidase Complex (ABC) | 500 µL (recommended dilution 1:100) |
| Lyophilized recombinant rat Scgb1a1 standard | 3 × 10 ng/tube |
Kit components are not sold separately.
Performance Data
| Species | Rat |
|---|---|
| Sample types | Cell culture supernatants, serum, plasma (heparin, EDTA) and urine |
| Assay range | 156 pg/mL–10,000 pg/mL |
| Standard | Recombinant rat Scgb1a1 (Ser20–Val96), expressed in E. coli |
| Cross-reactivity | None detected against related proteins in supplier testing |
| Intra-assay CV | 4.4–5.6% (3 samples, n = 16 each) |
| Inter-assay CV | 5.4–7.0% (3 samples, n = 24 each) |
| Format | Reagents for five 96-well plates |
Example standard curve (OD450, pg/mL): 0 = 0.042; 156 = 0.075; 312 = 0.099; 625 = 0.154; 1250 = 0.263; 2500 = 0.522; 5000 = 1.135; 10000 = 2.156. 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 | 156 | 312 | 625 | 1250 | 2500 | 5000 | 10000 |
| O.D. | 0.042 | 0.075 | 0.099 | 0.154 | 0.263 | 0.522 | 1.135 | 2.156 |
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) | 418 | 1832 | 6625 | 502 | 1946 | 6792 |
| Standard deviation | 18.39 | 89.77 | 371 | 27.11 | 120.65 | 475.44 |
| CV (%) | 4.4% | 4.9% | 5.6% | 5.4% | 6.2% | 7% |
Kit components
| Catalog number | Description | Quantity | Storage of opened/reconstituted material |
|---|---|---|---|
| EZ1636-CA | Rabbit anti- rat Scgb1a1 polyclonal antibody (Capture Antibody) | 500 µl, 0.4 mg/mL (recommended dilution 1:100) | Store undiluted at 4°C for 1 month or at -20°C for 3 months provided this is within the expiration date of the kit. |
| EZ1636-DA | Biotinylated goat anti- rat Scgb1a1 polyclonal antibody (Detection Antibody) | 500 µl, 3 µg/mL (recommended dilution 1:100) | |
| AR1103 | Avidin-Biotin-Peroxidase Complex (ABC) | 500 µl (recommended dilution 1:100) | |
| EK1636-ST | Lyophilized recombinant rat Scgb1a1 standard | 10 ng/tube×3 | Discard the standard stock solution after 12 hours at 4°C. May be stored at -20°C for 48 hours provided this is within the expiration date of the kit. |
Materials required but not provided
- Microplate reader in standard size.
- Automated plate washer.
- Incubator.
- Adjustable pipettes and pipette tips. Multichannel pipettes are recommended in the condition of large amount of samples in the detection.
- Clean tubes and Eppendorf tubes.
- 96 well microplate (Cat# AR1100)
- Plate Sealers.
- Capture Antibody Diluent: PBS.
- Reagent Diluent: 1% BSA in PBS, pH 7.2-7.4, 0.2 µm filtered.
- Substrate Solution: Tetramethylbenzidine (Cat# AR1104)
- Stop Solution: 2 N H2SO4 (Cat# AR1105)
- Wash Buffer (PBS and PBS-T). Recipes:
- PBS: 8g NaCl, 0.2g KCl, 1.15g Na2HPO4, 0.2g KH2PO4, adjust the total volume to 1 L with distilled water, pH 7.2-7.4, 0.2 µm filtered.
- PBS-T: 0.1% Tween® 20 in PBS, pH 7.2-7.4.
- *Item 6 – 12 are included in the EZ Set Accessory Kit (EZA001)
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Sun Da-lin et al. (2024) Astragaloside IV Alleviates Podocyte Injury in Diabetic Nephropathy through Regulating IRE-1α/NF-κ B/NLRP3 Pathway. Chinese Journal of Integrative Medicine. 10.1007/s11655-024-3568-0
