Human C-X-C motif chemokine 11 (CXCL11) ELISA Kit (HUEB0247)
- SKU:
- HUEB0247
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- O14625
- Range:
- 0.078-5 ng/ml
- ELISA Type:
- Sandwich
- Synonyms:
- CXCL11, I-TAC, H174, IP-9, IP9, SCYB11, SCYB9B, b-R1
- Reactivity:
- Human
Description
Human C-X-C motif chemokine 11 (CXCL11) ELISA Kit
The Human C-X-C Motif Chemokine 11 (CXCL11) ELISA Kit is a powerful tool for the precise measurement of CXCL11 levels in human samples, including serum, plasma, and cell culture supernatants. This kit offers exceptional sensitivity and specificity, ensuring accurate and reproducible results for a variety of research applications.CXCL11 is a key chemokine involved in inflammatory responses and immune regulation. It plays a critical role in recruiting immune cells to infection sites, as well as in modulating immune cell activity. Dysregulation of CXCL11 has been implicated in various inflammatory conditions, autoimmune diseases, and cancer, highlighting its importance as a biomarker for disease development and progression.
With the Human CXCL11 ELISA Kit, researchers can gain valuable insights into the role of CXCL11 in health and disease, enabling them to advance their understanding of immune responses and inflammatory processes. This kit provides a reliable and efficient means of studying CXCL11 levels, making it an indispensable tool for biomedical research.
| Product Name: | Human C-X-C motif chemokine 11 (CXCL11) ELISA Kit |
| SKU: | HUEB0247 |
| Size: | 96T |
| Target: | Human C-X-C motif chemokine 11 (CXCL11) |
| Synonyms: | Beta-R1, H174, Interferon gamma-inducible protein 9, Interferon-inducible T-cell alpha chemoattractant, Small-inducible cytokine B11, IP-9, I-TAC, ITAC, SCYB11, SCYB9B |
| Assay Type: | Sandwich |
| Detection Method: | ELISA |
| Reactivity: | Human |
| Detection Range: | 0.078-5ng/ml |
| Sensitivity: | 0.039 ng/mL |
| Intra CV: | 6.2% | ||||||||||||||||||||
| Inter CV: | 10.6% | ||||||||||||||||||||
| Linearity: |
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| Recovery: |
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| Function: | Chemotactic for interleukin-activated T-cells but not unstimulated T-cells, neutrophils or monocytes. Induces calcium release in activated T-cells. Binds to CXCR3. May play an important role in CNS diseases which involve T-cell recruitment. May play a role in skin immune responses. |
| Uniprot: | O14625 |
| Sample Type: | Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids |
| Specificity: | Natural and recombinant human C-X-C motif chemokine 11 |
| Research Area: | Neurosciences |
| Subcellular Location: | Secreted |
| Storage: | Please see kit components below for exact storage details |
| Note: | For research use only |
| UniProt Protein Function: | CXCL11: Chemotactic for interleukin-activated T-cells but not unstimulated T-cells, neutrophils or monocytes. Induces calcium release in activated T-cells. Binds to CXCR3. May play an important role in CNS diseases which involve T-cell recruitment. May play a role in skin immune responses. Belongs to the intercrine alpha (chemokine CxC) family. |
| UniProt Protein Details: | Protein type:Motility/polarity/chemotaxis; Chemokine; Secreted; Secreted, signal peptide Chromosomal Location of Human Ortholog: 4q21.2 Cellular Component: extracellular space; extracellular region Molecular Function:heparin binding; protein binding; CXCR3 chemokine receptor binding; chemokine activity Biological Process: G-protein coupled receptor protein signaling pathway; cell-cell signaling; immune response; positive regulation of leukocyte chemotaxis; response to lipopolysaccharide; positive regulation of release of sequestered calcium ion into cytosol; positive regulation of cAMP metabolic process; signal transduction; chemotaxis; inflammatory response; regulation of cell proliferation |
| NCBI Summary: | Chemokines are a group of small (approximately 8 to 14 kD), mostly basic, structurally related molecules that regulate cell trafficking of various types of leukocytes through interactions with a subset of 7-transmembrane, G protein-coupled receptors. Chemokines also play fundamental roles in the development, homeostasis, and function of the immune system, and they have effects on cells of the central nervous system as well as on endothelial cells involved in angiogenesis or angiostasis. Chemokines are divided into 2 major subfamilies, CXC and CC. This antimicrobial gene is a CXC member of the chemokine superfamily. Its encoded protein induces a chemotactic response in activated T-cells and is the dominant ligand for CXC receptor-3. The gene encoding this protein contains 4 exons and at least three polyadenylation signals which might reflect cell-specific regulation of expression. IFN-gamma is a potent inducer of transcription of this gene. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2014] |
| UniProt Code: | O14625 |
| NCBI GenInfo Identifier: | 7674360 |
| NCBI Gene ID: | 6373 |
| NCBI Accession: | O14625.1 |
| UniProt Related Accession: | O14625 |
| Molecular Weight: | |
| NCBI Full Name: | C-X-C motif chemokine 11 |
| NCBI Synonym Full Names: | C-X-C motif chemokine ligand 11 |
| NCBI Official Symbol: | CXCL11 |
| NCBI Official Synonym Symbols: | IP9; H174; IP-9; b-R1; I-TAC; SCYB11; SCYB9B |
| NCBI Protein Information: | C-X-C motif chemokine 11 |
| UniProt Protein Name: | C-X-C motif chemokine 11 |
| UniProt Synonym Protein Names: | Beta-R1; H174; Interferon gamma-inducible protein 9; IP-9; Interferon-inducible T-cell alpha chemoattractant; I-TAC; Small-inducible cytokine B11 |
| UniProt Gene Name: | CXCL11 |
| UniProt Entry Name: | CXL11_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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