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TCF7L2 antibody

TCF7L2 Reactivity: Human, Rat, Mouse WB, IHC, IF (cc), IHC (p), FACS Host: Rabbit Monoclonal 2C2 unconjugated
Catalog No. ABIN6945139
  • Target See all TCF7L2 Antibodies
    TCF7L2 (Transcription Factor 7-Like 2 (T-Cell Specific, HMG-Box) (TCF7L2))
    Reactivity
    • 48
    • 29
    • 29
    • 6
    • 3
    • 2
    • 2
    • 2
    • 2
    • 1
    Human, Rat, Mouse
    Host
    • 61
    • 7
    Rabbit
    Clonality
    • 53
    • 15
    Monoclonal
    Conjugate
    • 29
    • 4
    • 4
    • 3
    • 3
    • 3
    • 2
    • 2
    • 2
    • 2
    • 2
    • 2
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    This TCF7L2 antibody is un-conjugated
    Application
    • 46
    • 25
    • 17
    • 13
    • 13
    • 8
    • 5
    • 3
    • 3
    • 2
    • 1
    • 1
    • 1
    • 1
    Western Blotting (WB), Immunohistochemistry (IHC), Immunofluorescence (Cultured Cells) (IF (cc)), Immunohistochemistry (Paraffin-embedded Sections) (IHC (p)), Flow Cytometry (FACS)
    Cross-Reactivity
    Human, Mouse, Rat
    Purification
    Purified by Protein A.
    Immunogen
    Human TCF7L2 aa 1-100
    Clone
    2C2
    Isotype
    IgG
  • Application Notes
    The rabbit anti-TC7L2 antibody ABIN6945139 is suitable for use in CUT&RUN ,flow cytometry, immunofluorescence on cultured Cells, immunohistochemistry, and Western Blot. Specific conditions for each assay should be optimized by the end user. General dilution recommendations for different applications are as follows:
    IF (ICC): 1:50-1:200
    IHC (FFPE): 1:50-1:400
    FACS: 1:20-1:100
    WB: 1:300-1:5,000
    CUT&RUN: 1:100
    Restrictions
    For Research Use only
  • Validation #104354 (Cleavage Under Targets and Release Using Nuclease)
    'Independent Validation' Badge
    by
    Gianluca Zambanini, Anna Nordin and Claudio Cantù; Cantù Lab, Gene Regulation during Development and Disease, Linköping University
    No.
    #104354
    Date
    02/28/2022
    Antigen
    TCF7L2
    Lot Number
    Method validated
    Cleavage Under Targets and Release Using Nuclease
    Positive Control

    Recombinant anti-H3K27me3 CUT&RUN Positive Control antibody (antibodies-online, ABIN6923144)

    Negative Control

    Polyclonal guinea Pig anti-rabbit IgG (antibodies-online, ABIN101961)

    Notes

    Passed. ABIN6945139 allows for TCF7L2 targeted digestion using CUT&RUN in human HEK293T cells.

    'Independent Validation' Badge
    Validation Images
    Full Methods
    Primary Antibody
    ABIN6945139
    Secondary Antibody
    Full Protocol
    • Cell harvest and nuclear extraction
      • Harvest 250,000 HEK293T cells per antibody to be used at RT stimulated with 10 µM CHIR for 24 h at RT.
      • Centrifuge cell solution 5 min at 600 x g at RT.
      • Remove the liquid carefully.
      • Gently resuspend cells in 1 mL of Nuclear Extraction Buffer (20 mM HEPES-KOH pH 8.2, 20% Glycerol, 0,05% IGEPAL, 0.5 mM Spermidine, 10 mM KCl, Roche Complete Protease Inhibitor EDTA-free).
      • Move the solution to a 2 mL centrifuge tube.
      • Pellet the nuclei 800 x g for 5 min.
      • Repeat the NE wash twice for a total of three washes.
      • Resuspend the nuclei in 20 µL NE Buffer per sample.
    • Concanavalin A beads preparation
      • Prepare one 2 mL microcentrifuge tube.
      • Gently resuspend the magnetic Concanavalin A Beads (antibodies-online, ABIN6952467).
      • Pipette 20 µL Con A Beads slurry for each sample into the 2 mL microcentrifuge tube.
      • Place the tube on a magnet stand until the fluid is clear. Remove the liquid carefully.
      • Remove the microcentrifuge tube from the magnetic stand.
      • Pipette 1 mL Binding Buffer (20 mM HEPES pH 7.5, 10 mM KCl, 1 mM CaCl2, 1 mM MnCl2) into the tube and resuspend ConA beads by gentle pipetting.
      • Spin down the liquid from the lid with a quick pulse in a table-top centrifuge.
      • Place the tubes on a magnet stand until the fluid is clear. Remove the liquid carefully.
      • Remove the microcentrifuge tube from the magnetic stand.
      • Repeat the wash twice for a total of three washes.
      • Gently resuspend the ConA Beads in a volume of Binding Buffer corresponding to the original volume of bead slurry, i.e. 20 µL per sample.
    • Nuclei immobilization – binding to Concanavalin A beads
      • Carefully vortex the nuclei suspension and add 20 µL of the Con A beads in Binding Buffer to the cell suspension for each sample.
      • Close tube tightly incubates 10 min at 4 °C.
      • Put the 2 mL tube on the magnet stand and when the liquid is clear remove the supernatant.
      • Resuspend the beads in 1 mL of EDTA Wash buffer (20 mM HEPES pH 7.5, 150 mM NaCl, 0.5 mM Spermidine, Roche Complete Protease Inhibitor EDTA-free, 2mM EDTA).
      • Incubate 5 min at RT.
      • Place the tube on the magnet stand and when the liquid is clear remove the supernatant.
      • Resuspend the beads in 200 µl of Wash Buffer (20 mM HEPES pH 7.5, 150 mM NaCl, 0.5 mM Spermidine, Roche Complete Protease Inhibitor EDTA-free) per sample.
    • Primary antibody binding
      • Divide nuclei suspension into separate 200 µL PCR tubes, one for each antibody.
      • Add 2 µL antibody (anti-TCF7L2 antibody ABIN6945139, anti-H3K27me3 antibody positive control ABIN6923144, and guinea pig anti-rabbit IgG negative control antibody ABIN101961) to the respective tube, corresponding to a 1:100 dilution.
      • Incubate at 4 °C ON.
      • Place the tubes on a magnet stand until the fluid is clear. Remove the liquid carefully.
      • Remove the microcentrifuge tubes from the magnetic stand.
      • Wash with 200 µL of Wash Buffer using a multichannel pipette to accelerate the process.
      • Repeat the wash five times for a total of six washes.
    • pAG-MNase Binding
      • Prepare a 1.5 mL microcentrifuge tube containing 100 µL of pAG mix per sample (100 µL of wash buffer + 58.5 µg pAG-MNase per sample).
      • Place the PCR tubes with the sample on a magnet stand until the fluid is clear. Remove the liquid carefully.
      • Remove tubes from the magnetic stand.
      • Resuspend the beads in 100 µL of pAG-MNase premix.
      • Incubate 30 min at 4 °C.
      • Place the tubes on a magnet stand until the fluid is clear. Remove the liquid carefully.
      • Remove the microcentrifuge tubes from the magnetic stand.
      • Wash with 200 µL of Wash Buffer using a multichannel pipette to accelerate the process.
      • Repeat the wash five times for a total of six washes.
      • Resuspend in 100 µL of Wash Buffer.
    • MNase digestion and release of pAG-MNase-antibody-chromatin complexes
      • Place PCR tubes on ice and allow to chill.
      • Prepare a 1.5 mL microcentrifuge tube with 102 µl of 2 mM CaCl2 mix per sample (100 µl Wash Buffer + 2 µL 100 mM CaCl2) and let it chill on ice.
      • Always in ice, place the samples on the magnetic rack and when the liquid is clear remove the supernatant.
      • Resuspend the samples in 100 µl of the 2 mM CaCl2 mix and incubate in ice for exactly 30 min.
      • Place the sample on the magnet stand and when the liquid is clear remove the supernatant.
      • Resuspend the sample in 50 µl of 1x Urea STOP Buffer (8.5 M Urea, 100 mM NaCl, 2 mM EGTA, 2 mM EDTA, 0,5% IGEPAL).
      • Incubate the samples 1h at 4°C.
      • Transfer the supernatant containing the pAG-MNase-bound digested chromatin fragments to fresh 200 µl PCR tubes.
    • DNA Clean up
      • Take the Mag-Bind® TotalPure NGS beads (Omega Bio-Tek, M1378-01) from the storage and wait until they are at RT.
      • Add 2x volume of beads to each sample (e.g. 100 µL of beads for 50 µL of sample).
      • Incubate the beads and the sample for 15 min at RT.
      • During incubation prepare fresh EtOH 80%.
      • Place the PCR tubes on a magnet stand and when the liquid is clear remove the supernatant.
      • Add 200 µl of fresh 80% EtOH to the sample without disturbing the beads (Important!!! Do NOT resuspend the beads or remove the tubes from the magnet stand or the sample will be lost).
      • Incubate 30 sec at RT.
      • Remove the EtOH from the sample.
      • Repeat the wash with 80% EtOH.
      • Resuspend the beads in 25 µL of 10 mM Tris.
      • Incubate the sample for 2 min at RT.
      • Repeat the 2x beads clean up as described before (this time with 50 µL of beads for each sample).
      • Resuspend the beads + DNA in 20 µL of 10 mM Tris.
    • Library preparation and sequencing
      • Prepare Libraries using KAPA HyperPrep Kit using KAPA Dual-Indexed adapters according to protocol.
      • Sequence samples on an Illumina NextSeq 500 sequencer, using a NextSeq 500/550 High Output Kit v2.5 (75 Cycles), 36 bp PE.
    • Peak calling
      • Trim reads using using bbTools bbduk (BBMap - Bushnell B. - sourceforge.net/projects/bbmap/) to remove adapters, artifacts and repeat sequences.
      • Map aligned reads to the hg38 human genome using bowtie with options -m 1 -v 0 -I 0 -X 500.
      • Use SAMtools to convert SAM files to BAM files and remove duplicates.
      • Use BEDtools genomecov to produce Bedgraph files.
      • Call peaks using SEACR with a 0.001 threshold and the option norm stringent.
    Experimental Notes

    Results are published in Zambanini, G. et al. A New CUT&RUN Low Volume-Urea (LoV-U) protocol uncovers Wnt/β-catenin tissue-specific genomic targets. bioRxiv (2022). https://doi.org/10.1101/2022.07.06.498999

  • Format
    Liquid
    Concentration
    1 μg/μL
    Buffer
    Aqueous buffered solution containing 1xTBS ( pH 7.4), 1 % BSA, 40 %Glycerol and 0.05 % Sodium Azide.
    Preservative
    ProClin
    Precaution of Use
    This product contains ProClin: a POISONOUS AND HAZARDOUS SUBSTANCE, which should be handled by trained staff only.
    Storage
    4 °C,-20 °C
    Storage Comment
    Shipped at 4°C. Store at -20°C for one year. Avoid repeated freeze/thaw cycles.
    Expiry Date
    12 months
  • Zambanini, Nordin, Jonasson, Pagella, Cantù: "A new cut&run low volume-urea (LoV-U) protocol optimized for transcriptional co-factors uncovers Wnt/b-catenin tissue-specific genomic targets." in: Development (Cambridge, England), (2022) (PubMed).

  • Target
    TCF7L2 (Transcription Factor 7-Like 2 (T-Cell Specific, HMG-Box) (TCF7L2))
    Alternative Name
    TCF7L2 (TCF7L2 Products)
    Synonyms
    TCF4B antibody, TCF4E antibody, Tcf-4 antibody, Tcf4 antibody, mTcf-4B antibody, mTcf-4E antibody, tcf4 antibody, XTCF-4 antibody, tcf4e antibody, TCF4 antibody, TCF-4 antibody, TCFL2 antibody, transcription factor 7 like 2 antibody, transcription factor 7-like 2 antibody, transcription factor 7 like 2, T cell specific, HMG box antibody, transcription factor 7 like 2 L homeolog antibody, transcription factor 7-like 2 (T-cell specific, HMG-box) antibody, TCF7L2 antibody, LOC100545943 antibody, Tcf7l2 antibody, tcf7l2 antibody, tcf7l2.L antibody
    Background

    Synonyms: Transcription factor 7-like 2, HMG box transcription factor 4, T-cell-specific transcription factor 4, T-cell factor 4, TCF-4, hTCF-4, TCF7L2

    Background: Participates in the Wnt signaling pathway and modulates MYC expression by binding to its promoter in a sequence-specific manner. Acts as repressor in the absence of CTNNB1, and as activator in its presence. Activates transcription from promoters with several copies of the Tcf motif 5'-CCTTTGATC-3' in the presence of CTNNB1. TLE1, TLE2, TLE3 and TLE4 repress transactivation mediated by TCF7L2/TCF4 and CTNNB1. Expression of dominant-negative mutants results in cell-cycle arrest in G1. Necessary for the maintenance of the epithelial stem-cell compartment of the small intestine.

    Gene ID
    6934
    UniProt
    Q9NQB0
    Pathways
    WNT Signaling, Positive Regulation of Peptide Hormone Secretion, Peptide Hormone Metabolism, Regulation of Hormone Metabolic Process, Carbohydrate Homeostasis, Stem Cell Maintenance, Protein targeting to Nucleus
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