Human IL-29/IL-28B (IFN-lambda 1/3) DuoSet ELISA Summary Assay Type | Solid Phase Sandwich ELISA | Format | 96-well strip plate | Assay Length | 4.5 hours | Sample Type & Volume Required Per Well | Cell Culture Supernates (50 uL), Serum (13 uL), EDTA Plasma (13 uL), Citrate Plasma (13 uL) | Sensitivity | 3 pg/mL | Assay Range | 62.5 - 4,000 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Citrate Plasma) | Specificity | Natural and recombinant mouse human IL-29/IL-28B (IFN-lambda 1/3) | Cross-reactivity | < 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested | Interference | No significant interference observed with available related molecules. |
Product Summary This DuoSet ELISA Development kit contains the basic components required for the development of sandwich ELISAs to measure natural and recombinant human IL-29/IL-28B (IFN-lambda 1/3). The suggested diluent is suitable for the analysis of most cell culture supernate samples. Diluents for complex matrices, such as serum and plasma, should be evaluated prior to use in this DuoSet. Preparation and Storage Shipping | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. | Storage | Store the unopened product at 2 - 8 °C. Do not use past expiration date. |
Background: IL-29/IL-28B (IFN-lambda 1/3)Human/mouse IL-28A (IFN-lambda 2), IL-28B (IFN-lambda 3), and human IL-29 (IFN-lambda 1) are class II cytokine receptor ligands that are distantly related to members of the IL-10 family (11 - 13% amino acid (aa) sequence identity) and type I IFN family (15 - 19% aa sequence identity). These cytokines exert bioactivities that overlap those of type I IFNs, including antiviral activity and up-regulation of MHC class I antigen expression. The proteins signal through the same heterodimeric receptor complex that is composed of the IL-10 receptor beta (IL-10 R beta) and a novel IL-28 receptor alpha (IL-28 R alpha, also known as IFN-lambda R1). Mouse IL-28 shares 61%, 62%, and 52% aa identity with human IL-28A, IL-28B, and IL-29, respectively. Long Name: | Interleukin 29 | Entrez Gene IDs: | 282618 (Human) | Alternate Names: | IFNl1; IFNl3; IFNlambda 1; IFNlambda 3; IL-29/IL-28B (IFN-lambda 1/3) |
Assay Procedure Refer to the product datasheet for the complete assay procedure. Bring all reagents and samples to room temperature before use. It is recommended that all samples, standards, and controls be assayed in duplicate. 1. Prepare all reagents, standard dilutions, and samples as directed in the product insert. 2. Remove excess microplate strips from the plate frame, return them to the foil pouch containing the desiccant pack, and reseal. 3. Add 50 μL of Assay Diluent to each well. 4. Add 50 μL of Standard, control, or sample to each well. Cover with a plate sealer, and incubate at room temperature for 2 hours. 5. Aspirate each well and wash, repeating the process 4 times for a total of 5 washes. 6. Add 100 μL of Conjugate to each well. Cover with a new plate sealer, and incubate at room temperature for 2 hours. 7. Aspirate and wash 5 times. 8. Add 100 μL Substrate Solution to each well. 9. Add 100 μL of Stop Solution to each well. Read at 450 nm within 30 minutes. Set wavelength correction to 540 nm or 570 nm. |
