Human RARB / Retinoic acid receptor beta ELISA Kit
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주문- SKU:
- HUFI00940
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- P10826
- Sensitivity:
- 0.094ng/ml
- Range:
- 0.156-10ng/ml
- ELISA Type:
- Sandwich ELISA, Double Antibody
- Synonyms:
- RARB, NR1B2, Retinoic acid receptor beta, RAR-beta, RAR-epsilon, HBV-activated protein, Nuclear receptor subfamily 1 group B member 2
- Reactivity:
- Human
Description
Human RARB / Retinoic acid receptor beta ELISA Kit
RARB/Retinoic acid receptor beta is a member of the thyroid-steroid hormone receptor superfamily of nuclear transcriptional regulators. This receptor is present in the cytoplasm and subnuclear compartments. It binds retinoic acid, the biologically active form of vitamin A (retinoids), which is responsible for cellular signaling in embryonic morphogenesis, cell growth and development. It is believed that this protein controls gene expression to limit the growth of many cell types. The gene was discovered in a hepatocellular carcinoma, where it flanks a hepatitis B viral integration site. Microphthalmia, Syndromic microphthalmia 9 and Syndromic microphthalmia 12 are examples of RARB-related disorders.
| Product Name: | Human RARB / Retinoic acid receptor beta ELISA Kit |
| Product Code: | HUFI00940 |
| Size: | 96 Assays |
| Alias: | RARB, NR1B2, Retinoic acid receptor beta, RAR-beta, RAR-epsilon, HBV-activated protein, Nuclear receptor subfamily 1 group B member 2 |
| Detection method: | Sandwich ELISA, Double Antibody |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Human RARB concentrations in serum plasma and other biological fluids. |
| Sensitivity: | 0.094ng/ml |
| Range: | 0.156-10ng/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Human RARB and the recovery rates were calculated by comparing the measured value to the expected amount of Human RARB in samples. | ||||||||||||||||
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| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human RARB and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected. | ||||||||||||||||
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| CV(%): | Intra-Assay: CV<8% Inter-Assay: CV<10% |
| Component | Quantity | Storage |
| ELISA Microplate (Dismountable) | 8×12 strips | 4°C for 6 months |
| Lyophilized Standard | 2 | 4°C/-20°C |
| Sample/Standard Dilution Buffer | 20ml | 4°C |
| Biotin-labeled Antibody(Concentrated) | 120ul | 4°C (Protect from light) |
| Antibody Dilution Buffer | 10ml | 4°C |
| HRP-Streptavidin Conjugate(SABC) | 120ul | 4°C (Protect from light) |
| SABC Dilution Buffer | 10ml | 4°C |
| TMB Substrate | 10ml | 4°C (Protect from light) |
| Stop Solution | 10ml | 4°C |
| Wash Buffer(25X) | 30ml | 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
| Uniprot | P10826 |
| UniProt Protein Function: | RARB: is a receptor for retinoic acid, a potent mammalian morphogen and teratogen that has profound effects on vertebrate development. RARB is a member of the nuclear receptor superfamily. Controls cell function by directly regulating gene expression. Composed of three domains: a modulating N-terminal domain, a DNA-binding domain and a C-terminal steroid-binding domain. Four splice-variant isoforms have been described. Isoform beta-1 and beta-2 are nuclear and isoform beta-4 cytoplasmic. |
| UniProt Protein Details: | Protein type:Motility/polarity/chemotaxis; Oncoprotein; Nuclear receptor Chromosomal Location of Human Ortholog: 3p24.2 Cellular Component: nucleoplasm; cytoplasm; nucleus Molecular Function:retinoid X receptor binding; protein binding; DNA binding; zinc ion binding; protein complex binding; steroid hormone receptor activity; drug binding; retinoic acid receptor activity Biological Process: retinoic acid receptor signaling pathway; transcription initiation from RNA polymerase II promoter; regulation of myelination; glandular epithelial cell development; striatum development; positive regulation of apoptosis; embryonic eye morphogenesis; multicellular organism growth; negative regulation of chondrocyte differentiation; ventricular cardiac muscle cell differentiation; negative regulation of transcription from RNA polymerase II promoter; signal transduction; embryonic hindlimb morphogenesis; negative regulation of cell proliferation; ureteric bud development; positive regulation of cell proliferation; positive regulation of transcription from RNA polymerase II promoter; gene expression; steroid hormone mediated signaling; positive regulation of neuron differentiation; embryonic gut development; transmembrane transport; negative regulation of apoptosis Disease: Microphthalmia, Syndromic 12 |
| NCBI Summary: | This gene encodes retinoic acid receptor beta, a member of the thyroid-steroid hormone receptor superfamily of nuclear transcriptional regulators. This receptor localizes to the cytoplasm and to subnuclear compartments. It binds retinoic acid, the biologically active form of vitamin A which mediates cellular signalling in embryonic morphogenesis, cell growth and differentiation. It is thought that this protein limits growth of many cell types by regulating gene expression. The gene was first identified in a hepatocellular carcinoma where it flanks a hepatitis B virus integration site. Alternate promoter usage and differential splicing result in multiple transcript variants. [provided by RefSeq, Mar 2014] |
| UniProt Code: | P10826 |
| NCBI GenInfo Identifier: | 17380507 |
| NCBI Gene ID: | 5915 |
| NCBI Accession: | P10826.2 |
| UniProt Secondary Accession: | P10826,P12891, Q00989, Q15298, Q9UN48, |
| UniProt Related Accession: | P10826 |
| Molecular Weight: | €“ Da |
| NCBI Full Name: | Retinoic acid receptor beta |
| NCBI Synonym Full Names: | retinoic acid receptor, beta |
| NCBI Official Symbol: | RARB |
| NCBI Official Synonym Symbols: | HAP; RRB2; NR1B2; MCOPS12 |
| NCBI Protein Information: | retinoic acid receptor beta; RAR-beta; RAR-epsilon; HBV-activated protein; hepatitis B virus activated protein; retinoic acid receptor, beta polypeptide; nuclear receptor subfamily 1 group B member 2 |
| UniProt Protein Name: | Retinoic acid receptor beta |
| UniProt Synonym Protein Names: | HBV-activated protein; Nuclear receptor subfamily 1 group B member 2; RAR-epsilon |
| Protein Family: | Retinoic acid receptor |
| UniProt Gene Name: | RARB |
| UniProt Entry Name: | RARB_HUMAN |
*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.
Before adding to wells, equilibrate the SABC working solution and TMB substrate for at least 30 min at 37°C. When diluting samples and reagents, they must be mixed completely and evenly. It is recommended to plot a standard curve for each test.
| Step | Protocol |
| 1. | Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells! |
| 2. | Aliquot 0.1ml standard solutions into the standard wells. |
| 3. | Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well. |
| 4. | Add 0.1 ml of properly diluted sample ( Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells. |
| 5. | Seal the plate with a cover and incubate at 37 °C for 90 min. |
| 6. | Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2. |
| 7. | Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall. |
| 8. | Seal the plate with a cover and incubate at 37°C for 60 min. |
| 9. | Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash. |
| 10. | Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min. |
| 11. | Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min. |
| 12. | Add 90 µl of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color. |
| 13. | Add 50 µl of Stop solution into each well and mix thoroughly. The color changes into yellow immediately. |
| 14. | Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution. |
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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