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ERK1/2 ELISA Kit

MAPK1/3 Reactivity: Human, Rat, Mouse pThr202 Colorimetric Sandwich ELISA Cell Lysate, Tissue Lysate
Catalog No. ABIN625239
  • Target See all ERK1/2 (MAPK1/3) ELISA Kits
    ERK1/2 (MAPK1/3) (Mitogen-Activated Protein Kinase 1/3 (MAPK1/3))
    Binding Specificity
    pThr202, pTyr204, total
    Reactivity
    • 6
    • 5
    • 5
    • 2
    • 2
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    Human, Rat, Mouse
    Detection Method
    Colorimetric
    Method Type
    Sandwich ELISA
    Application
    ELISA
    Purpose
    Human/Mouse/Rat Phospho-Erk1 (T202/Y204) + Phospho-Erk2 (T185/Y187) and Total Erk1/2 ELISA Kit. This assay semi-quantitatively measures phophorylated Erk1 (Thr202/Tyr204) + in lysate samples.
    Sample Type
    Cell Lysate, Tissue Lysate
    Analytical Method
    Semi-Quantitative
    Specificity
    The antibody pair provided in this kit recognizes human, mouse and rat Phospho-Erk1 (pThr202/pTyr204) + Erk2(Tyr185/187) and pan Erk1/2.
    Characteristics
    • Simultaneously measure Phosphorylated protein and pan protein in one experiment (for normalization purpose)
    • Screen numerous different cell lysates without performing a Western Blot analysis
    • Minimal hands-on time, convenient, and non-radioactive material
    Components
    • Pre-Coated 96-well Strip Microplate
    • Wash Buffer
    • Anti-Phospho Antibody
    • Anti-Pan Antibody
    • HRP-Conjugated Secondary Antibody
    • Streptavidin-Conjugated HRP
    • Assay Diluent
    • TMB One-Step Substrate
    • Stop Solution
    • Lysis Buffer
    • Positive Control Sample
    Material not included
    • 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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  • Sample Volume
    100 μL
    Plate
    Pre-coated
    Protocol
    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.
    Reagent Preparation
    1. Bring all reagents and samples to room temperature (18 - 25 °C) before use. Phospho-Erk1(T202/Y204)/Erk2(T185/Y187) and pan Erk1/2 ELISA Kit Protocol 6
      2. Item D, 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 600 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 Positive Control (P-1) solution. Dissolve the powder thoroughly by a gentle mix (it can be removed by centrifuge if any precipitate in the solution is found). Pipette 400 µL 1x Assay Diluent into each tube. Use the Positive Control stock solution to produce a dilution series (shown below). Mix each tube thoroughly before the next transfer. 1x Assay Diluent serves as the background. (See i. Positive Control of part IX.for a typical result in page 9).
      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. P-1 P-2 P-3 P-4 0 200 µL Positive Control, Item K 600 µL 1x Assay Diluent 200µ l 200 µL Phospho-Erk1(T202/Y204)/Erk2(T185/Y187) and pan Erk1/2 ELISA Kit Protocol 7
      5. Briefly spin the detection antibody (Item C-1 or Item C-2) before use. Add 100 µL of 1x Assay Diluent into the vial to prepare a detection 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 anti-phospho-Erk1(T202/Y204)/ Erk2 (T185/Y187) or biotinylated anti-pan-Erk1/2 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-conjugated anti-rabbit IgG (Item D-1) HRP-streptavidin concentrate (Item G) before use. Pipette up and down to mix gently. HRP-conjugated anti-rabbit IgG concentrate should be diluted 500-fold and HRP-streptavidin concentrate should be diluted 120-fold with 1x Assay Diuent. For example: Briefly spin the vial (Item D-1) and pipette up and down to mix gently. Add 10 µL of HRP-conjugated anti- rabbit IgG concentrate into a tube with 5.0 mL 1x AssayDiluent to prepare a 500-fold diluted HRP-conjugated anti-rabbit IgG solution.
      7. Cell Lysate Buffer should be diluted 2-fold with deionized or distilled water before use (recommend to add protease and phosphatase inhibitors). Phospho-Erk1(T202/Y204)/Erk2(T185/Y187) and pan Erk1/2 ELISA Kit Protocol 8 VII.
    Sample Preparation

    Cell lysates - Rinse cells with PBS, making sure to remove any remaining PBS before adding the Cell Lysate Buffer. Solubilize Phospho-Erk1(T202/Y204)/Erk2(T185/Y187) and pan Erk1/2 ELISA Kit Protocol 5 cells at 4 x 107 cells/mL in 1x Cell Lysate Buffer (we recommend adding protease and phosphatase inhibitors to Cell Lysate 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 50-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. 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).

    Assay Procedure
    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 rabbit anti-phospho-Erk1 (T202/Y204)/Erk2(T185/Y187) antibody or 1x biotinylated anti-pan-Erk1/2 (Reagent Preparation step 5) to appropriate wells. 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-conjugated anti-rabbit IgG against rabbit anti-phospho-Erk1 (T202/Y204)/Erk2 (T185/Y187) antibody or 1X HRP-streptavidin against biotinylated anti-pan-Erk1/2 to corresponding well. Incubate for 1 hour at room temperature with shaking. Phospho-Erk1(T202/Y204)/Erk2(T185/Y187) and pan Erk1/2 ELISA Kit Protocol 9
      7. Discard the solution. Repeat the wash as in step3.
      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.
    Calculation of Results

    ELISA data analysis: Average the duplicate readings for each sample or positive.
    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 Cell Lysate Buffer. Serial dilutions of lysates were analyzed in this ELISA. Please see step 3 of Part VI Reagent Preparation for detail. Assay Diluent Positive control dilution series O D = 4 5 0 n m 0.1 1 10 P-1 P-2 P-3 P-4 P-5 Phospho-Erk1(T202/Y204)/Erk2(T185/Y187) and pan Erk1/2 ELISA Kit Protocol 11
    ii. Recombinant Human EGF Stimulation of A431 Cell Lines A431 cells were treated or untreated with 100 ng/mL recombinant human EGF for 20 min. Cell lysates were analyzed using this phosphoELISA and Western Blot. A). ELISA Phospho-Erk1 (T202/Y204)/ Pan Erk1/2 Erk2(T185/Y187) O D = 45 0 n m 0.0 0.5 1.0 1.5 2.0 Untreated A431 EGF treated A431 B). Western-Blot Analysis hEGF 20 0 20 0 (Min) Anti-Erk1(T202/Y204)/ Anti-pan Erk1/2 Erk2(T185/Y187) Phospho-Erk1(T202/Y204)/Erk2(T185/Y187) and pan Erk1/2 ELISA Kit Protocol 12 X

    Restrictions
    For Research Use only
  • Handling Advice
    Avoid repeated freeze- thaw cycles.
    Storage
    -20 °C
    Storage Comment
    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.
    Expiry Date
    6 months
  • Target See all ERK1/2 (MAPK1/3) ELISA Kits
    ERK1/2 (MAPK1/3) (Mitogen-Activated Protein Kinase 1/3 (MAPK1/3))
    Alternative Name
    ERK1///ERK2 (MAPK1/3 Products)
    Synonyms
    erk1/2 ELISA Kit, mitogen-activated protein kinase ELISA Kit, erk1/2 ELISA Kit
    Background
    Erk-T202
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