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STAT1 ELISA 试剂盒

STAT1 适用: 人, 小鼠 pSer727 Colorimetric Sandwich ELISA Cell Lysate, Tissue Lysate
产品编号 ABIN625230
发货至: 中国
  • 抗原 See all STAT1 ELISA试剂盒
    STAT1 (Signal Transducer and Activator of Transcription 1, 91kDa (STAT1))
    抗原表位
    pSer727
    适用
    • 11
    • 9
    • 6
    • 1
    人, 小鼠
    检测方法
    Colorimetric
    实验类型
    Sandwich ELISA
    应用范围
    ELISA
    原理
    Human/Mouse Phospho-Stat 1 (S727) ELISA Kit. This assay semi-quantitatively measures phophorylated Stat 1 (Ser727) in lysate samples.
    样品类型
    Cell Lysate, Tissue Lysate
    Analytical Method
    Semi-Quantitative
    特异性
    The antibody pair provided in this kit recognizes human and mouse Phospho-Stat1 (pSer727).
    产品特性
    • Rapidly measure phosphorylated protein in lysates
    • Screen numerous different cell lysates without performing a Western Blot analysis
    • Minimal hands-on time, convenient, and non-radioactive material
    组件
    • Pre-Coated 96-well Strip Microplate
    • Wash Buffer
    • Anti-Phospho Antibody
    • HRP-Conjugated Secondary Antibody
    • Assay Diluent
    • TMB One-Step Substrate
    • Stop Solution
    • Lysis Buffer
    • Positive Control Sample
    试剂未包括
    • Distilled or deionized water
    • 100 mL and 1 liter graduated cylinders
    • Tubes to prepare sample dilutions
    • Protease and Phosphatase inhibitors
    • Precision pipettes to deliver 2 μL to 1 mL volumes
    • Adjustable 1-25 mL pipettes for reagent preparation
    • Benchtop rocker or shaker
    • Microplate reader capable of measuring absorbance at 450 nm
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  • 样本量
    100 μL
    板类型
    Pre-coated
    实验流程
    1. Prepare all reagents and samples as instructed in the manual.
    2. Add 100 μL of sample or positive control to each well.
    3. Incubate 2.5 h at RT or O/N at 4 °C.
    4. Add 100 μL of prepared primary antibody to each well.
    5. Incubate 1 h at RT.
    6. Add 100 μL of prepared 1X HRP-Streptavidin to each well.
    7. Incubate 1 h at RT.
    8. Add 100 μL of TMB One-Step Substrate Reagent to each well.
    9. Incubate 30 min at RT.
    10. Add 50 μL of Stop Solution to each well.
    11. Read at 450 nm immediately.
    试剂准备
    1. Bring all reagents and samples to room temperature (18 - 25 °C) before use.
      2. Item E, Assay Diluent should be diluted 5-fold with deionized or distilled water before use.
      3. Preparation of Positive Control: Briefly spin the Positive Control vial of Item K. Add 700 µL 1x Assay Diluent (Item E, Assay Diluent should be diluted 5-fold with deionized or distilled water before use) into Item K vial to prepare a Positive Control (P-1). Dissolve the powder thoroughly by a gentle mix (it can be removed by centrifuge if any precipitate in the solution is found). Pipette 260 µL 1x Assay Diluent into each tube. Use the P-1 to produce a dilution series (shown below). Mix each tube thoroughly before the next transfer. 1x Assay Diluent serves as the background. P-1 P-2 P-3 P-4 0 130 µL 700 µL 1x Assay Diluent + Item K vial 130µ l 130 µL PhosphoStat1(Ser727) ELISA 6
      4. If the Wash Concentrate (20x) (Item B) contains visible crystals, warm to room temperature and mix gently until dissolved. Dilute 20 mL of Wash Buffer Concentrate into deionized or distilled water to yield 400 mL of 1x Wash Buffer.
      5. Briefly spin the biotinylated antibody (Item C) before use. Add 100 µL of 1x Assay Diluent into the vial to prepare a biotinylated antibody concentrate. Pipette up and down to mix gently (the concentrate can be stored at 4 °C for 5 days or at - 80 °C for one month). The biotinylated Stat1 antibody should be diluted 55-fold with 1x Assay Diuent and used in step 4 of Part VII Assay Procedure.
      6. Briefly spin the HRP-Streptavidin concentrate vial (Item G) and pipette up and down to mix gently before use. HRP-Streptavidin concentrate should be diluted 40 fold with 1x Assay Diluent. For example: Briefly spin the vial (Item G) and pipette up and down to mix gently . Add 150 µL of HRP-Streptavidin concentrate into a tube with 6 mL 1x Assay Diluent to prepare a 40-fold diluted HRP-Streptavidin solution (don’t store the diluted solution for next day use). Mix well.
      7. Cell Lysate Buffer should be diluted 2-fold with deionized or distilled water before use (recommend to add protease and phosphatase inhibitors). PhosphoStat1(Ser727) ELISA 7 VII.
    样品制备

    Cell lysates - Rinse cells with PBS, making sure to remove any remaining PBS before adding the lysis buffer. Solubilize cells at 4 x 107 cells/mL in 1x Lysis Buffer (we recommend adding protease and phosphatase inhibitors to lysis buffer prior to sample preparation). Pipette up and down to resuspend and incubate the lysates with shaking at 2 - 8° C for 30 minutes. Microcentrifuge at 13,000 rpm for 10 minutes at 2 - 8° C, and transfer the supernates into a clean test tube. Lysates should be used immediately or aliquoted and stored at -70 °C. Avoid repeated freeze-thaw cycles. Thawed lysates should be kept on ice prior to use.
    For the initial experiment, we recommend to do a serial dilution testing such as 5-fold and 100-fold dilution for your cell lysates with Assay Diluent (Item E) before use.
    Note: The fold dilution of sample used depends on the abundance of phosphorylated proteins and should be determined empiricallys. PhosphoStat1(Ser727) ELISA 5 More of the sample can be used if signals are too weak. If signals are too strong, the sample can be diluted further.
    Cell lysate buffer should be diluted 2-fold with deionized or distilled water before use (recommend to add protease and phosphatase inhibitors).

    实验流程
    1. Bring all reagents to room temperature (18 - 25 °C) before use. It is recommended that all samples or Positive Control should be run at least in duplicate.
      2. Add 100 µL of each sample or positive control into appropriate wells. Cover well with plate holder and incubate for 2.5 hours at room temperature or over night at 4 °C with shaking.
      3. Discard the solution and wash 4 times with 1x Wash Solution. Wash by filling each well with Wash Buffer (300 µL) using a multi-channel pipette or autowasher. Complete removal of liquid at each step is essential to good performance. After the last wash, remove any remaining Wash Buffer by aspirating or decanting. Invert the plate and blot it against clean paper towels.
      4. Add 100 µL of prepared 1X biotinylated antibody (Reagent Preparation step 5) to each well. Incubate for 1 hour at room temperature with shaking.
      5. Discard the solution. Repeat the wash as in step3.
      6. Add 100 µL of prepared 1X HRP-Streptavidin solution (see Reagent Preparation step 6) to each well. Incubate for 1 hour at room temperature with shaking.
      7. Discard the solution. Repeat the wash as in step3. PhosphoStat1(Ser727) ELISA 8
      8. Add 100 µL of TMB One-Step Substrate Reagent (Item H) to each well. Incubate for 30 minutes at room temperature in the dark with shaking.
      9. Add 50 µL of Stop Solution (Item I) to each well. Read at 450 nm immediately.
    结果分析

    ELISA data analysis: Average the duplicate readings for each sample or positive control then subtract the average blank optical density.
    i. Positive Control A431 cells were treated with recombinant human EGF at 37 °C for 20 min. Solubilize cells at 4 x 107 cells/mL in lysis buffer. Serial dilutions of lysates were analyzed in this ELISA. Please see step 3 of Part VI Reagent Preparation for detail. O D = 4 5 0 n m 0.0 0.5 1.0 1.5 2.0 2.5 Assay Diluent Positive control dilution series P-1 P-2 P-3 P-4 P-5 PhosphoStat1(Ser727) ELISA 10
    ii. Recombinant Human EGF Stimulation of A431 Cell Lines A431 cells were treated or untreated with 100 ng/mL recombinant human EGF for 10 min. Cell lysates were analyzed using this phosphoELISA and Western Blot. ELISA Phospho-Stat1 (Ser727) Total Stat1 O D =4 50 n m 0.0 0.5 1 0 1.5 2.0 2.5 3.0 3.5 Untreated A431 EGF treated A431 Western-Blot hEGF 0 10 0 10 (Min) Anti-phospho-Stat1 Anti-Stat1 (Ser727) PhosphoStat1(Ser727) ELISA 11
    iii. SENSITIVITY The A431 cells were treated with 100 ng/mL recombinant human EGF for 20 minutes to induce phosphorylation of EGF R. Serial dilutions of lysates were analyzed in this ELISA and by Western blot. Immunoblots were incubated with anti-phospho-Stat1 (Ser727). ELISA 50 1 0 2 0.4 0.8 0 ( µg ) O D =4 50 n m 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Western-Blot 50 25 12.5 6.25 3.13 1.56 0.78 0.39 0 (µg) PhosphoStat1(Ser727) ELISA 12 X.

    限制
    仅限研究用
  • 注意事项
    Avoid repeated freeze- thaw cycles.
    储存条件
    -20 °C
    储存方法
    Upon receipt, the kit should be stored at -20 °C. Please use within 6 months from the date of shipment. After initial use, Wash Buffer Concentrate (Item B), Assay Diluent (Item E), TMB One-Step Substrate Reagent (Item H), HRP-Streptavidin (Item G), Stop Solution (Item I) and Cell Lysate Buffer (Item J) should be stored at 4 °C to avoid repeated freeze-thaw cycles. Return unused wells to the pouch containing desiccant pack, reseal along entire edge and store at -20 °C. Reconstituted Positive Control (Item K) should be stored at -70 °C.
    有效期
    6 months
  • 抗原 See all STAT1 ELISA试剂盒
    STAT1 (Signal Transducer and Activator of Transcription 1, 91kDa (STAT1))
    别名
    Stat1 (STAT1 产品)
    别名
    CANDF7 ELISA Kit, ISGF-3 ELISA Kit, STAT91 ELISA Kit, 2010005J02Rik ELISA Kit, AA408197 ELISA Kit, XStat1 ELISA Kit, STAT4 ELISA Kit, DD6G4-4 ELISA Kit, STAT ELISA Kit, STAT1 ELISA Kit, dZ182H3.3 ELISA Kit, si:by134g18.2 ELISA Kit, si:by51f19.1 ELISA Kit, si:dz182h3.3 ELISA Kit, si:dz199m19.1 ELISA Kit, si:dz73o4.2 ELISA Kit, stat1 ELISA Kit, signal transducer and activator of transcription 1 ELISA Kit, signal transducer and activator of transcription 1 L homeolog ELISA Kit, signal transducer and activator of transcription 1, 91kDa ELISA Kit, signal transducer and activator of transcription 4 ELISA Kit, signal transducer and activator of transcription 1a ELISA Kit, STAT1 ELISA Kit, Stat1 ELISA Kit, stat1.L ELISA Kit, stat4 ELISA Kit, stat1a ELISA Kit
    背景
    Stat1-S727
    基因ID
    6772
    UniProt
    P42224
    途径
    JAK/STAT Signaling, RTK signaling, Interferon-gamma Pathway, Response to Growth Hormone Stimulus, Cellular Response to Molecule of Bacterial Origin, Positive Regulation of Endopeptidase Activity, Hepatitis C, CXCR4-mediated Signaling Events
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