| Field | Specification |
|---|---|
| Target | |
| Alternative names | Beta-nerve growth factor;Beta-NGF;Ngf;Ngfb; |
| Gene ID | |
| UniProt # | |
| Reactivity | |
| Applications | |
| Immunogen | Expression system for standard: NS0; Immunogen sequence: S122-G241 |
| Expression system | |
| Expression region | |
| Assay type | |
| Sample type(s) | Cell Culture Supernatant, Serum |
| 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 beta-nerve growth factor (gene Ngf) in cell culture supernatants and serum. 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.
Nerve growth factor (NGF) is the founding member of the neurotrophin family. Acting through its high-affinity receptor TrkA (NTRK1) and p75NTR (NGFR), it supports survival and growth of sympathetic and sensory neurons, while its precursor proNGF can signal cell death through p75NTR and sortilin family co-receptors; NGF is also a major mediator of pain.
Performance Data
| Species | Rat |
|---|---|
| Sample types | Cell culture supernatants and serum |
| Assay range | 15.6 pg/mL–1,000 pg/mL |
| Standard | Recombinant rat Ngf (Ser122–Gly241), expressed in NS0 |
| Cross-reactivity | No detectable cross-reactivity with BDNF, GDNF, CNTF, NT3, and NT4 |
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 | 15.6 | 31.2 | 62.5 | 125 | 250 | 500 | 1000 |
| O.D. | 0.079 | 0.133 | 0.190 | 0.296 | 0.521 | 0.876 | 1.414 | 2.025 |
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) | 33 | 191 | 480 | 29 | 201 | 491 |
| Standard deviation | 1.84 | 8.02 | 32.64 | 1.62 | 11.65 | 35.84 |
| CV (%) | 4.2% | 4.2% | 6.8% | 5.6% | 5.8% | 7.3% |
Kit components
| Catalog number | Description | Quantity | Storage of opened/reconstituted material |
|---|---|---|---|
| EZ0471-CA | Rabbit anti-Rat Ngf polyclonal antibody (Capture Antibody) | 500 µl, 4 µg/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. |
| EZ0471-DA | Biotinylated goat anti-Rat Ngf polyclonal antibody (Detection Antibody) | 500 µl (recommended dilution 1:100) | |
| AR1103 | Avidin-Biotin-Peroxidase Complex (ABC) | 500 µl (recommended dilution 1:100) | |
| EZ0471-ST | Lyophilized recombinant Rat Ngf 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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