Human SFRP2 / Secreted frizzled-related protein 2 ELISA Kit
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- SKU:
- HUFI00686
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- Q96HF1
- Sensitivity:
- 0.75ng/ml
- Range:
- 1.25-80ng/ml
- ELISA Type:
- Sandwich ELISA, Double Antibody
- Synonyms:
- SFRP2, Secreted frizzled-related protein 2, SARP-1, SDF-5, FRP2, FRP-2, secreted apoptosis related protein 1, SARP1, sFRP-2, Secreted apoptosis-related protein 1
- Reactivity:
- Human
Frequently bought together:
Description
| 商品名: | Human SFRP2 / Secreted frizzled-related protein 2 ELISA Kit |
| 製品コード: | HUFI00686 |
| サイズ: | 96T |
| エイリアス: | SFRP2, Secreted frizzled-related protein 2, SARP-1, SDF-5, FRP2, FRP-2, secreted apoptosis related protein 1, SARP1, sFRP-2, Secreted apoptosis-related protein 1 |
| 検出方法: | Sandwich ELISA, Double Antibody |
| 申し込み: | This immunoassay kit allows for the in vitro quantitative determination of Human SFRP2 concentrations in serum plasma and other biological fluids. |
| 感度: | 0.75ng/ml |
| 範囲: | 1.25-80ng/ml |
| 保管所: | 4°C for 6 months |
| ノート: | For Research Use Only |
| 回復: | Matrices listed below were spiked with certain level of Human SFRP2 and the recovery rates were calculated by comparing the measured value to the expected amount of Human SFRP2 in samples. | ||||||||||||||||
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| 直線性: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human SFRP2 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% |
| 成分 | 量 | 保管所 |
| 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 | - |
必要なその他の材料と設備:
- 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 | Q96HF1 |
| UniProt Protein Function: | SFRP2: Soluble frizzled-related proteins (sFRPS) function as modulators of Wnt signaling through direct interaction with Wnts. They have a role in regulating cell growth and differentiation in specific cell types. SFRP2 may be important for eye retinal development and for myogenesis. Belongs to the secreted frizzled-related protein (sFRP) family. |
| UniProt Protein Details: | Protein type:Secreted, signal peptide; Secreted Chromosomal Location of Human Ortholog: 4q31.3 Cellular Component: extracellular matrix; extracellular space; integral to membrane Molecular Function:G-protein coupled receptor activity; integrin binding; Wnt-protein binding; Wnt receptor activity; fibronectin binding; receptor agonist activity Biological Process: convergent extension involved in axis elongation; collagen fibril organization; negative regulation of Wnt receptor signaling pathway; positive regulation of apoptosis; negative regulation of caspase activity; negative regulation of BMP signaling pathway; negative regulation of cell proliferation; cell-cell signaling; negative regulation of mesodermal cell fate specification; positive regulation of cell proliferation; negative regulation of cell migration; response to nutrient; negative regulation of epithelial cell proliferation; response to drug; negative regulation of JNK activity; negative regulation of peptidyl-tyrosine phosphorylation; male gonad development; positive regulation of cell adhesion mediated by integrin; digestive tract morphogenesis; chondrocyte development; positive regulation of peptidyl-serine phosphorylation; positive regulation of cell growth; patterning of blood vessels; positive regulation of osteoblast differentiation; positive regulation of angiogenesis; neural tube closure; cellular response to extracellular stimulus; positive regulation of fat cell differentiation; positive regulation of transcription from RNA polymerase II promoter; embryonic digit morphogenesis; negative regulation of cell growth; negative regulation of transcription, DNA-dependent |
| NCBI Summary: | This gene encodes a member of the SFRP family that contains a cysteine-rich domain homologous to the putative Wnt-binding site of Frizzled proteins. SFRPs act as soluble modulators of Wnt signaling. Methylation of this gene is a potential marker for the presence of colorectal cancer. [provided by RefSeq, Jul 2008] |
| UniProt Code: | Q96HF1 |
| NCBI GenInfo Identifier: | 61216828 |
| NCBI Gene ID: | 6423 |
| NCBI Accession: | Q96HF1.2 |
| UniProt Secondary Accession: | Q96HF1,O14778, Q9HAP5, B3KQR2, |
| UniProt Related Accession: | Q96HF1 |
| Molecular Weight: | 295 |
| NCBI Full Name: | Secreted frizzled-related protein 2 |
| NCBI Synonym Full Names: | secreted frizzled-related protein 2 |
| NCBI Official Symbol: | SFRP2 |
| NCBI Official Synonym Symbols: | FRP-2; SARP1; SDF-5 |
| NCBI Protein Information: | secreted frizzled-related protein 2; SARP-1; sFRP-2; secreted apoptosis related protein 1; secreted apoptosis-related protein 1 |
| UniProt Protein Name: | Secreted frizzled-related protein 2 |
| UniProt Synonym Protein Names: | Secreted apoptosis-related protein 1; SARP-1 |
| Protein Family: | Secreted frizzled-related protein |
| UniProt Gene Name: | SFRP2 |
| UniProt Entry Name: | SFRP2_HUMAN |
*ノート: プロトコルは、各バッチ/ロットに固有です。正しい手順については、キットに含まれているプロトコルに従ってください。
ウェルに加える前に、SABCワーキング溶液とTMB基質を37°Cで少なくとも30分間平衡化します。 サンプルと試薬を希釈するときは、完全に均一に混合する必要があります。各テストの標準曲線をプロットすることをお勧めします。
| ステップ | プロトコル |
| 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. |
ELISAアッセイを実施する場合、可能な限り最良の結果を達成するためにサンプルを準備することが重要です。以下に、さまざまなサンプルタイプのサンプルを準備するための手順のリストを示します。
| サンプルタイプ | プロトコル |
| 血清 | 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. |
| プラズマ | 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. |
| 尿および脳脊髄液 | 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. |
| 細胞培養上清 | 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. |
| 細胞溶解物 | 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. |
| 組織ホモジネート | 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. |
| 組織溶解物 | 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. |
| 母乳 | 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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