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Human IL-23A ELISA Kit (HUEB0181)

SKU:
HUEB0181
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
Q9NPF7
Range:
31.2-2000 pg/mL
ELISA Type:
Sandwich
Synonyms:
IL-23, IL-23A, IL23P19
Reactivity:
Human
€599
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Description

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Human IL-23A ELISA Kit (HUEB0181)

The Human IL-23A ELISA Kit is specifically designed for the precise quantification of IL-23A levels in human samples including serum, plasma, and cell culture supernatants. With its high sensitivity and specificity, this kit provides accurate and reproducible results, making it ideal for various research applications.IL-23A is a key cytokine involved in inflammatory responses, particularly in autoimmune diseases such as rheumatoid arthritis, psoriasis, and inflammatory bowel disease.

By measuring IL-23A levels, researchers can gain valuable insights into the mechanisms underlying these conditions and potentially identify new therapeutic targets.Overall, the Human IL-23A ELISA Kit offered by Assay Genie is a valuable tool for studying the role of IL-23A in inflammatory disorders and advancing research in the field of immunology.

Product Name:Human IL-23A ELISA Kit (HUEB0181)
SKU:HUEB0181
Size:96T
Target:Human IL-23A
Synonyms:Interleukin-23 subunit p19, IL-23p19, UNQ2498/PRO5798, IL-23 subunit alpha, SGRF
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Human
Detection Range:31.2-2000pg/mL
Sensitivity:7.8pg/mL
Intra CV:6.1%
Inter CV:8.2%
Linearity:
Sample1:21:41:81:16
Serum(N=5)85-97%98-108%113-122%112-120%
EDTA Plasma(N=5)92-92%104-113%104-113%102-111%
Heparin Plasma(N=5)81-93%85-94%100-112%111-123%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum10094-106
Plasma10296-108
Function:Associates with IL12B to form the IL-23 interleukin, a heterodimeric cytokine which functions in innate and adaptive immunity. IL-23 may constitute with IL-17 an acute response to infection in peripheral tissues. IL-23 binds to a heterodimeric receptor complex composed of IL12RB1 and IL23R, activates the Jak-Stat signaling cascade, stimulates memory rather than naive T-cells and promotes production of proinflammatory cytokines. IL-23 induces autoimmune inflammation and thus may be responsible for autoimmune inflammatory diseases and may be important for tumorigenesis.
Uniprot:Q9NPF7
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant human Interleukin-23 subunit alpha
Sub Unit:Heterodimer with IL12B; disulfide-linked. The heterodimer is known as interleukin IL-23.
Research Area:Immunology
Subcellular Location:Secreted Secreted upon association with IL12B.
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:IL23A: Associates with IL12B to form the IL-23 interleukin, a heterodimeric cytokine which functions in innate and adaptive immunity. IL-23 may constitute with IL-17 an acute response to infection in peripheral tissues. IL-23 binds to a heterodimeric receptor complex composed of IL12RB1 and IL23R, activates the Jak- Stat signaling cascade, stimulates memory rather than naive T- cells and promotes production of proinflammatory cytokines. IL-23 induces autoimmune inflammation and thus may be responsible for autoimmune inflammatory diseases and may be important for tumorigenesis. Belongs to the IL-6 superfamily.Protein type: Secreted, signal peptide; Cytokine; SecretedChromosomal Location of Human Ortholog: 12q13.3Molecular Function: cytokine activity; interleukin-23 receptor binding; protein bindingBiological Process: defense response to Gram-negative bacterium; defense response to virus; inflammatory response; innate immune response; negative regulation of interleukin-10 production; positive regulation of activated T cell proliferation; positive regulation of defense response to virus by host; positive regulation of granulocyte macrophage colony-stimulating factor production; positive regulation of inflammatory response; positive regulation of interferon-gamma production; positive regulation of interleukin-10 production; positive regulation of interleukin-12 production; positive regulation of interleukin-17 production; positive regulation of memory T cell differentiation; positive regulation of natural killer cell activation; positive regulation of natural killer cell proliferation; positive regulation of NF-kappaB import into nucleus; positive regulation of NK T cell activation; positive regulation of NK T cell proliferation; positive regulation of osteoclast differentiation; positive regulation of T cell mediated cytotoxicity; positive regulation of T cell proliferation; positive regulation of T-helper 1 type immune response; positive regulation of tissue remodeling; positive regulation of transcription from RNA polymerase II promoter; positive regulation of tumor necrosis factor production; positive regulation of tyrosine phosphorylation of Stat3 protein; positive regulation of tyrosine phosphorylation of Stat4 protein; positive regulation of tyrosine phosphorylation of Stat5 protein; regulation of tyrosine phosphorylation of Stat1 protein; T cell proliferation; tissue remodeling
UniProt Protein Details:
NCBI Summary:This gene encodes a subunit of the heterodimeric cytokine interleukin 23 (IL23). IL23 is composed of this protein and the p40 subunit of interleukin 12 (IL12B). The receptor of IL23 is formed by the beta 1 subunit of IL12 (IL12RB1) and an IL23 specific subunit, IL23R. Both IL23 and IL12 can activate the transcription activator STAT4, and stimulate the production of interferon-gamma (IFNG). In contrast to IL12, which acts mainly on naive CD4(+) T cells, IL23 preferentially acts on memory CD4(+) T cells. [provided by RefSeq, Jul 2008]
UniProt Code:Q9NPF7
NCBI GenInfo Identifier:74761641
NCBI Gene ID:51561
NCBI Accession:Q9NPF7.1
UniProt Secondary Accession:Q9NPF7,Q6NZ80, Q6NZ82, Q9H2A5
UniProt Related Accession:Q9NPF7
Molecular Weight:20,730 Da
NCBI Full Name:Interleukin-23 subunit alpha
NCBI Synonym Full Names:interleukin 23 subunit alpha
NCBI Official Symbol:IL23A
NCBI Official Synonym Symbols:P19; SGRF; IL-23; IL-23A; IL23P19
NCBI Protein Information:interleukin-23 subunit alpha
UniProt Protein Name:Interleukin-23 subunit alpha
UniProt Synonym Protein Names:Interleukin-23 subunit p19; IL-23p19
Protein Family:Interleukin
UniProt Gene Name:IL23A
UniProt Entry Name:IL23A_HUMAN
Component Quantity (96 Assays) Storage
ELISA Microplate (Dismountable) 8×12 strips -20°C
Lyophilized Standard 2 -20°C
Sample Diluent 20ml -20°C
Assay Diluent A 10mL -20°C
Assay Diluent B 10mL -20°C
Detection Reagent A 120µL -20°C
Detection Reagent B 120µL -20°C
Wash Buffer 30mL 4°C
Substrate 10mL 4°C
Stop Solution 10mL 4°C
Plate Sealer 5 -

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir

*Note: The below protocol is a sample protocol. Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Allow all reagents to reach room temperature (Please do not dissolve the reagents at 37°C directly). All the reagents should be mixed thoroughly by gently swirling before pipetting. Avoid foaming. Keep appropriate numbers of strips for 1 experiment and remove extra strips from microtiter plate. Removed strips should be resealed and stored at -20°C until the kits expiry date. Prepare all reagents, working standards and samples as directed in the previous sections. Please predict the concentration before assaying. If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments. We recommend running all samples in duplicate.

Step
1. Add Sample: Add 100µL of Standard, Blank, or Sample per well. The blank well is added with Sample diluent. Solutions are added to the bottom of micro ELISA plate well, avoid inside wall touching and foaming as possible. Mix it gently. Cover the plate with sealer we provided. Incubate for 120 minutes at 37°C.
2. Remove the liquid from each well, don't wash. Add 100µL of Detection Reagent A working solution to each well. Cover with the Plate sealer. Gently tap the plate to ensure thorough mixing. Incubate for 1 hour at 37°C. Note: if Detection Reagent A appears cloudy warm to room temperature until solution is uniform.
3. Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 400µL) (a squirt bottle, multi-channel pipette,manifold dispenser or automated washer are needed). Complete removal of liquid at each step is essential. After the last wash, completely remove remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. Add 100µL of Detection Reagent B working solution to each well. Cover with the Plate sealer. Incubate for 60 minutes at 37°C.
5. Repeat the wash process for five times as conducted in step 3.
6. Add 90µL of Substrate Solution to each well. Cover with a new Plate sealer and incubate for 10-20 minutes at 37°C. Protect the plate from light. The reaction time can be shortened or extended according to the actual color change, but this should not exceed more than 30 minutes. When apparent gradient appears in standard wells, user should terminatethe reaction.
7. Add 50µL of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.
8. Determine the optical density (OD value) of each well at once, using a micro-plate reader set to 450 nm. User should open the micro-plate reader in advance, preheat the instrument, and set the testing parameters.
9. After experiment, store all reagents according to the specified storage temperature respectively until their expiry.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample Type Protocol
Serum If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.
Plasma Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal Fluid Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatant Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysates Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenates The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysates Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast Milk Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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