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  1. Link

    fibronectin-antibody-epr23110-25-ab268021.pdf

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Cardiovascular Angiogenesis Adhesion / ECM Extracellular Matrix
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Validated using a knockout cell lineRecombinantRabMAb

Recombinant Anti-Fibronectin antibody [EPR23110-25] (ab268021)

  • Datasheet
  • SDS
  • Certificate of Compliance
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Western blot - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Immunohistochemistry (Frozen sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Flow Cytometry - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Western blot - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Immunohistochemistry (Frozen sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
  • Anti-Fibronectin antibody [EPR23110-25] (ab268021)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [EPR23110-25] to Fibronectin
  • Suitable for: IHC-P, IHC-Fr, Flow Cyt, WB
  • Knockout validated
  • Reacts with: Mouse, Rat, Human

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Overview

  • Product name

    Anti-Fibronectin antibody [EPR23110-25]
    See all Fibronectin primary antibodies
  • Description

    Rabbit monoclonal [EPR23110-25] to Fibronectin
  • Host species

    Rabbit
  • Tested applications

    Suitable for: IHC-P, IHC-Fr, Flow Cyt, WBmore details
    Unsuitable for: ICC/IF or IP
  • Species reactivity

    Reacts with: Mouse, Rat, Human
  • Immunogen

    Synthetic peptide. This information is proprietary to Abcam and/or its suppliers.

  • Positive control

    • WB: Human serum, plasma, colon and stomach lysate. Mouse and rat plasma. Wild-type HAP1 whole cell lysate. IHC-P: Human mammary gland tissue. Human esophageal squamous cell carcinoma tissue. Mouse stomach and rat liver tissue. IHC-Fr: Mouse and rat colon tissue. Flow Cyt: NIH/3T3 cells.
  • General notes

    This product is a recombinant monoclonal antibody, which offers several advantages including:

    • - High batch-to-batch consistency and reproducibility
    • - Improved sensitivity and specificity
    • - Long-term security of supply
    • - Animal-free production
    For more information see here.

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

Properties

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle.
  • Storage buffer

    pH: 7.2
    Preservative: 0.01% Sodium azide
    Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
  • Concentration information loading...
  • Purity

    Protein A purified
  • Clonality

    Monoclonal
  • Clone number

    EPR23110-25
  • Isotype

    IgG
  • Research areas

    • Cardiovascular
    • Angiogenesis
    • Adhesion / ECM
    • Extracellular Matrix
    • Signal Transduction
    • Cytoskeleton / ECM
    • Extracellular Matrix
    • ECM Proteins
    • Fibronectin
    • Stem Cells
    • Lineage Markers
    • Ectoderm
    • Stem Cells
    • Neural Stem Cells
    • Extracellular
    • Stem Cells
    • Mesenchymal Stem Cells
    • Osteogenesis
    • Cancer
    • Invasion/microenvironment
    • ECM
    • Extracellular matrix
    • Other
    • Developmental Biology
    • Lineage specification
    • Ectoderm

Associated products

  • Alternative Versions

    • Anti-Fibronectin antibody [EPR23110-25] - BSA and Azide free (ab268023)
  • Compatible Secondaries

    • VeriBlot for IP Detection Reagent (HRP) (ab131366)
    • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab97051)
  • Isotype control

    • Rabbit IgG, monoclonal [EPR25A] - Isotype Control (ab172730)
  • Related Products

    • Anti-Integrin alpha V antibody [EPR16800] (ab179475)
    • Antigen Retrieval Buffer (100X Tris-EDTA Buffer, pH 9.0) (ab93684)

Applications

The Abpromise guarantee

Our Abpromise guarantee covers the use of ab268021 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
IHC-P
1/2000. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
IHC-Fr
1/100.

Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20).

Flow Cyt
1/500.
WB
1/1000. Detects a band of approximately 285 kDa (predicted molecular weight: 262 kDa).
Notes
IHC-P
1/2000. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
IHC-Fr
1/100.

Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20).

Flow Cyt
1/500.
WB
1/1000. Detects a band of approximately 285 kDa (predicted molecular weight: 262 kDa).
Application notes
Is unsuitable for ICC/IF or IP.

Target

  • Function

    Fibronectins bind cell surfaces and various compounds including collagen, fibrin, heparin, DNA, and actin. Fibronectins are involved in cell adhesion, cell motility, opsonization, wound healing, and maintenance of cell shape. Involved in osteoblast compaction through the fibronectin fibrillogenesis cell-mediated matrix assembly process, essential for osteoblast mineralization. Participates in the regulation of type I collagen deposition by osteoblasts.
    Anastellin binds fibronectin and induces fibril formation. This fibronectin polymer, named superfibronectin, exhibits enhanced adhesive properties. Both anastellin and superfibronectin inhibit tumor growth, angiogenesis and metastasis. Anastellin activates p38 MAPK and inhibits lysophospholipid signaling.
  • Tissue specificity

    Plasma FN (soluble dimeric form) is secreted by hepatocytes. Cellular FN (dimeric or cross-linked multimeric forms), made by fibroblasts, epithelial and other cell types, is deposited as fibrils in the extracellular matrix. Ugl-Y1, Ugl-Y2 and Ugl-Y3 are found in urine.
  • Involvement in disease

    Glomerulopathy with fibronectin deposits 2
  • Sequence similarities

    Contains 12 fibronectin type-I domains.
    Contains 2 fibronectin type-II domains.
    Contains 16 fibronectin type-III domains.
  • Developmental stage

    Ugl-Y1, Ugl-Y2 and Ugl-Y3 are present in the urine from 0 to 17 years of age.
  • Post-translational
    modifications

    Sulfated.
    It is not known whether both or only one of Thr-2064 and Thr-2065 are/is glycosylated.
    Forms covalent cross-links mediated by a transglutaminase, such as F13A or TGM2, between a glutamine and the epsilon-amino group of a lysine residue, forming homopolymers and heteropolymers (e.g. fibrinogen-fibronectin, collagen-fibronectin heteropolymers).
    Phosphorylated by FAM20C in the extracellular medium.
    Proteolytic processing produces the C-terminal NC1 peptide, anastellin.
  • Cellular localization

    Secreted, extracellular space, extracellular matrix.
  • Target information above from: UniProt accession P02751 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 2335 Human
    • Entrez Gene: 14268 Mouse
    • Entrez Gene: 25661 Rat
    • Omim: 135600 Human
    • SwissProt: P02751 Human
    • SwissProt: P11276 Mouse
    • SwissProt: P04937 Rat
    • Unigene: 203717 Human
    • Alternative names

      • CIG antibody
      • Cold insoluble globulin antibody
      • Cold-insoluble globulin antibody
      • DKFZp686F10164 antibody
      • DKFZp686H0342 antibody
      • DKFZp686I1370 antibody
      • DKFZp686O13149 antibody
      • ED B antibody
      • Fibronectin 1 antibody
      • FINC antibody
      • FINC_HUMAN antibody
      • FN antibody
      • FN1 antibody
      • FNZ antibody
      • GFND antibody
      • GFND2 antibody
      • LETS antibody
      • Migration stimulating factor antibody
      • MSF antibody
      • Ugl-Y3 antibody
      see all

    Images

    • Western blot - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Western blot - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      All lanes : Anti-Fibronectin antibody [EPR23110-25] (ab268021) at 1/1000 dilution

      Lane 1 : Human colon lysate at 20 µg
      Lane 2 : Human stomach lysate at 20 µg
      Lane 3 : Wild-type HAP1 whole cell lysate at 40 µg
      Lane 4 : Fibronectin knockout HAP1 whole cell lysate at 40 µg

      Secondary
      Lanes 1-2 : VeriBlot for IP Detection Reagent (HRP) (ab131366) at 1/1000 dilution
      Lanes 3-4 : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/100000 dilution

      Predicted band size: 262 kDa
      Observed band size: 285 kDa why is the actual band size different from the predicted?



      Blocking and dilution buffer: 5% NFDM/TBST.

      Exposure time: 44 seconds.

      The expression molecular weight observed is consistent with what has been described in the literature (PMID:28367057).

      ab268021 was shown to specifically react with Fibronectin in wild-type HAP1 cells as signal was lost in Fibronectin knockout cells. Wild-type and Fibronectin knockout samples were subjected to SDS-PAGE. ab268021 and ab179475 (Rabbit anti-Integrin alpha V loading control) were incubated 1 hour at room temperature at 1/1000 dilution and 1/5000 dilution respectively. Blots were developed with Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated (ab97051) secondary antibody at 1/100,000 dilution for 1 hour at room temperature before imaging. The blot was developed on a BIO-RAD® ChemiDoc™ MP instrument using the ECL technique.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)

      Immunohistochemical analysis of paraffin-embedded rat liver tissue labeling Fibronectin with ab268021 at 1/2000 dilution (0.23 µg/ml) followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Positive staining in the perivascular tissue of sinusoids of rat liver (PMID:650101). Counterstained with hematoxylin.

      Secondary antibody only control: Secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).

      Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

    • Immunohistochemistry (Frozen sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Immunohistochemistry (Frozen sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)

      Immunohistochemical analysis of frozen section of  4% PFA-fixed, 0.2% Triton X-100 permeabilized rat colon tissue labeling Fibronectin with ab268021 at 1/100 dilution followed by ab150077 AlexaFluor®488 Goat anti-Rabbit secondary antibody at 1/1000 dilution (Green). Positive staining mainly on smooth muscle of rat colon (PMID: 17881565). The nuclear counterstain is DAPI (Blue).

      Secondary antibody only control: Secondary antibody is ab150077 AlexaFluor®488 Goat anti-Rabbit secondary antibody at 1/1000 dilution.

      Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20).

    • Flow Cytometry - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Flow Cytometry - Anti-Fibronectin antibody [EPR23110-25] (ab268021)

      Flow cytometric analysis of  NIH/3T3 (mouse embryonic fibroblast) cells labeling Fibronectin with ab268021 at 1/500 dilution (Red) compared with a Rabbit monoclonal IgG (ab172730) (Black) isotype control and an unlabeled control (cells without incubation with primary antibody and secondary antibody) (Blue). A Goat anti rabbit IgG (Alexa Fluor® 488, ab150077) at 1/2000 dilution was used as the secondary antibody.

      Gated on viable cells.

       

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)

      Immunohistochemical analysis of paraffin-embedded mouse stomach tissue labeling Fibronectin with ab268021 at 1/2000 dilution (0.23 µg/ml) followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Positive staining in the smooth muscle of mouse stomach (PMID:650101). Counterstained with hematoxylin.

      Secondary antibody only control: Secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).

      Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)

      Immunohistochemical analysis of paraffin-embedded human esophageal squamous cell carcinoma tissue labeling Fibronectin with ab268021 at 1/2000 dilution (0.23 µg/ml) followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Positive staining in the stroma of human esophageal squamous cell carcinoma (PMID:30314454). Counterstained with hematoxylin.

      Secondary antibody only control: Secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).

      Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)

      Immunohistochemical analysis of paraffin-embedded human mammary gland tissue labeling Fibronectin with ab268021 at 1/2000 dilution (0.23 µg/ml) followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Positive staining in the stroma of human mammary gland (PMID:650101). Counterstained with hematoxylin.

      Secondary antibody only control: Secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).

      Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

    • Western blot - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Western blot - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      All lanes : Anti-Fibronectin antibody [EPR23110-25] (ab268021) at 1/1000 dilution

      Lane 1 : Human serum
      Lane 2 : Human plasma
      Lane 3 : Mouse plasma
      Lane 4 : Rat plasma

      Lysates/proteins at 20 µg per lane.

      Secondary
      Lanes 1-2 : VeriBlot for IP Detection Reagent (HRP) (ab131366) at 1/1000 dilution
      Lanes 3-4 : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/100000 dilution

      Predicted band size: 262 kDa
      Observed band size: 285 kDa why is the actual band size different from the predicted?



      Blocking and dilution buffer: 5% NFDM/TBST.

      Exposure time: 3.25 seconds.

      The expression molecular weight observed is consistent with what has been described in the literature (PMID:28367057).

    • Immunohistochemistry (Frozen sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Immunohistochemistry (Frozen sections) - Anti-Fibronectin antibody [EPR23110-25] (ab268021)

      Immunohistochemical analysis of frozen section of  4% PFA-fixed, 0.2% Triton X-100 permeabilized mouse colon tissue labeling Fibronectin with ab268021 at 1/100 dilution followed by ab150077 AlexaFluor®488 Goat anti-Rabbit secondary antibody at 1/1000 dilution (Green). Positive staining mainly on smooth muscle of mouse colon (PMID: 17881565). The nuclear counterstain is DAPI (Blue).

      Secondary antibody only control: Secondary antibody is ab150077 AlexaFluor®488 Goat anti-Rabbit secondary antibody at 1/1000 dilution.

      Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20).

    • Anti-Fibronectin antibody [EPR23110-25] (ab268021)
      Anti-Fibronectin antibody [EPR23110-25] (ab268021)

    Protocols

    To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

    Click here to view the general protocols

    Datasheets and documents

    • SDS download

    • Datasheet download

      Download

    Certificate of Compliance

    To download a Certificate of Compliance, please enter your Lot number below:

    References (4)

    Publishing research using ab268021? Please let us know so that we can cite the reference in this datasheet.

    ab268021 has been referenced in 4 publications.

    • Wang L  et al. Combination CTLA-4 immunoglobulin treatment and ultrasound microbubble-mediated exposure improve renal function in a rat model of diabetic nephropathy. Aging (Albany NY) 13:8524-8540 (2021). PubMed: 33714204
    • Li Q  et al. Identification of the EMT-Related Genes Signature for Predicting Occurrence and Progression in Thyroid Cancer. Onco Targets Ther 14:3119-3131 (2021). PubMed: 34012269
    • Li J  et al. CircRNA TADA2A relieves idiopathic pulmonary fibrosis by inhibiting proliferation and activation of fibroblasts. Cell Death Dis 11:553 (2020). PubMed: 32694556
    • Guo Y  et al. SIRT1-modified human umbilical cord mesenchymal stem cells ameliorate experimental peritoneal fibrosis by inhibiting the TGF-ß/Smad3 pathway. Stem Cell Res Ther 11:362 (2020). PubMed: 32811535

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