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Rabbit Monoclonal EGFR antibody. Suitable for IP, I-ELISA, WB, ICC/IF, Flow Cyt (Intra), IHC-P and reacts with Human, Mouse, Rat, Recombinant full length protein - Human samples. Cited in 342 publications.


Images

Key facts

Isotype

IgG

Host species

Rabbit

Storage buffer

pH: 7.2 - 7.4
Preservative: 0.01% Sodium azide
Constituents: 59% PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA

Form

Liquid

Clonality

Monoclonal

Immunogen

  • The exact immunogen used to generate this antibody is proprietary information.
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Reactivity data

Select an application
Product promiseTestedExpectedPredictedNot recommended
IPI-ELISAWBICC/IFFlow Cyt (Intra)IHC-P
Human
Tested
Expected
Tested
Tested
Tested
Tested
Mouse
Expected
Expected
Tested
Expected
Expected
Expected
Rat
Expected
Expected
Tested
Expected
Expected
Expected
Recombinant full length protein - Human
Not recommended
Tested
Not recommended
Not recommended
Not recommended
Not recommended

Tested
Tested

Species

Human

Dilution info

1/20

Notes

Perform heat-mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant full length protein - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Recombinant full length protein - Human

Dilution info

1/2500

Notes

-

Expected
Expected

Species

Human, Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Tested
Tested

Species

Mouse

Dilution info

1/1000 - 1/10000

Notes

This product yielded a strong signal in western blot using A431 (human squamous carcinoma) lysate which naturally overexpresses the EGFR protein. Western blot conditions may need to be optimised for cell lines and tissues that express lower levels of endogenous EGFR

Species

Rat

Dilution info

1/1000 - 1/10000

Notes

This product yielded a strong signal in western blot using A431 (human squamous carcinoma) lysate which naturally overexpresses the EGFR protein. Western blot conditions may need to be optimised for cell lines and tissues that express lower levels of endogenous EGFR

Species

Human

Dilution info

1/1000 - 1/10000

Notes

This product yielded a strong signal in western blot using A431 (human squamous carcinoma) lysate which naturally overexpresses the EGFR protein. Western blot conditions may need to be optimised for cell lines and tissues that express lower levels of endogenous EGFR

Not recommended
Not recommended

Species

Recombinant full length protein - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Human

Dilution info

1/250 - 1/500

Notes

-

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant full length protein - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Human

Dilution info

1/20

Notes

ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant full length protein - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Human

Dilution info

1/100

Notes

The mouse and rat recommendation is based on the WB results. This antibody may not be suitable for IHC with mouse or rat samples.

Perform heat-mediated antigen retrieval before commencing with IHC staining protocol.

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant full length protein - Human

Dilution info

-

Notes

-

Target data

Function

Receptor tyrosine kinase binding ligands of the EGF family and activating several signaling cascades to convert extracellular cues into appropriate cellular responses (PubMed:2790960, PubMed:10805725, PubMed:27153536). Known ligands include EGF, TGFA/TGF-alpha, AREG, epigen/EPGN, BTC/betacellulin, epiregulin/EREG and HBEGF/heparin-binding EGF (PubMed:2790960, PubMed:7679104, PubMed:8144591, PubMed:9419975, PubMed:15611079, PubMed:12297049, PubMed:27153536, PubMed:20837704, PubMed:17909029). Ligand binding triggers receptor homo- and/or heterodimerization and autophosphorylation on key cytoplasmic residues. The phosphorylated receptor recruits adapter proteins like GRB2 which in turn activates complex downstream signaling cascades. Activates at least 4 major downstream signaling cascades including the RAS-RAF-MEK-ERK, PI3 kinase-AKT, PLCgamma-PKC and STATs modules (PubMed:27153536). May also activate the NF-kappa-B signaling cascade (PubMed:11116146). Also directly phosphorylates other proteins like RGS16, activating its GTPase activity and probably coupling the EGF receptor signaling to the G protein-coupled receptor signaling (PubMed:11602604). Also phosphorylates MUC1 and increases its interaction with SRC and CTNNB1/beta-catenin (PubMed:11483589). Positively regulates cell migration via interaction with CCDC88A/GIV which retains EGFR at the cell membrane following ligand stimulation, promoting EGFR signaling which triggers cell migration (PubMed:20462955). Plays a role in enhancing learning and memory performance (By similarity).Isoform 2 may act as an antagonist of EGF action.(Microbial infection) Acts as a receptor for hepatitis C virus (HCV) in hepatocytes and facilitates its cell entry. Mediates HCV entry by promoting the formation of the CD81-CLDN1 receptor complexes that are essential for HCV entry and by enhancing membrane fusion of cells expressing HCV envelope glycoproteins.

Alternative names

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Rabbit Monoclonal EGFR antibody. Suitable for IP, I-ELISA, WB, ICC/IF, Flow Cyt (Intra), IHC-P and reacts with Human, Mouse, Rat, Recombinant full length protein - Human samples. Cited in 342 publications.

Alternative names

Key facts

Isotype

IgG

Form

Liquid

Clonality

Monoclonal

Immunogen
  • The exact immunogen used to generate this antibody is proprietary information.
Clone number

EP38Y

Purification technique

Affinity purification Protein A

Specificity

The immunogen for this product is a synthetic phospho-peptide corresponding to residues surrounding Tyr1068 of human EGFR. After screening, clone EP38Y was found to recognize total EGFR and is not specific to phosphorylated-Tyr1068 EGFR. This product yielded a strong signal in western blot using A431 (human squamous carcinoma) lysate which naturally overexpresses the EGFR protein. Western blot conditions may need to be optimised for cell lines and tissues that express lower levels of endogenous EGFR.
The mouse and rat recommendation is based on the WB results. This antibody may not be suitable for IHC with mouse or rat samples.

Dissociation constant

1.9 x 10-11 M

Concentration
Loading...

Storage

Shipped at conditions

Blue Ice

Appropriate short-term storage duration

1-2 weeks

Appropriate short-term storage conditions

+4°C

Appropriate long-term storage conditions

-20°C

Aliquoting information

Upon delivery aliquot

Storage information

Avoid freeze / thaw cycle

Notes

Abcam recommended secondaries - Goat Anti-Rabbit HRP (ab205718) and Goat Anti-Rabbit Alexa Fluor® 488 (ab150077). Or search our wide range of secondary antibodies for use with your experiment.

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

Supplementary info

Biological function summary

The EGFR protein plays an important role in cellular communication and signaling processes. EGFR pairs with other receptor family members to form active dimers or even higher-order complexes which in turn initiate intracellular signaling cascades. Through these complexes EGFR influences many processes including cell differentiation and repair. This function of EGFR makes it an integral part of mammalian biology affecting how cells respond to their environment by mediating changes in gene expression.

Activity summary

EGFR or Epidermal Growth Factor Receptor is a transmembrane glycoprotein that acts as a receptor for members of the epidermal growth factor family. Known alternatively as ErbB1 or HER1 this receptor has an approximate molecular weight of 170 kDa. EGFR is expressed in various cell types notably on epithelial cells and can influence multiple cellular processes through its kinase activity. It participates in the regulation of cell growth multiplication and survival by activating its kinase domain upon ligand binding.

Pathways

EGFR is a central player in the MAPK and PI3K/Akt signaling pathways. Alongside other protein partners like KRAS and PI3 kinase it contributes to transmitting signals from the cell surface to the nucleus affecting gene transcription and cell behavior. These pathways are important for normal cell growth and division and aberrations in these pathways can lead to excessive or insufficient cell proliferation.

Associated diseases and disorders

EGFR is pertinent to cancer biology including non-small cell lung cancer and glioblastoma where mutations or overexpression of the receptor frequently occur. It connects to proteins such as PTEN and BRAF which influence tumor progression and response to targeted therapies. EGFR's involvement in these disorders highlights its significance as a therapeutic target since it can be manipulated to alter disease progression.

Product promise

We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.

In the unlikely event of one of our products not working as expected, you are covered by our product promise.

Full details and terms and conditions can be found here:
Terms & Conditions.

20 product images

  • Immunoprecipitation - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunoprecipitation - Anti-EGFR antibody [EP38Y] (ab52894)

    ab52894 (purified) at 1:20 dilution (0.5 μg) immunoprecipitating EGFR in HeLa (Human cervix adenocarcinoma epithelial cell) whole cell lysate.

    Lane 1 (input): HeLa whole cell lysate 10 μg

    Lane 2 (+): ab52894 in HeLa whole cell lysate

    Lane 3 (-): Rabbit monoclonal IgG (ab172730) instead of ab52894 in HeLa whole cell lysate

    For western blotting, VeriBlot for IP Detection Reagent (HRP) (ab131366) was used for detection at 1:1000 dilution.

    Blocking and diluting buffer: 5% NFDM/TBST.

    All lanes: Immunoprecipitation - Anti-EGFR antibody [EP38Y] (AB52894)

    Predicted band size: 134 kDa

    Observed band size: 175 kDa

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894)

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of human cervical carcinoma tissue sections labeling EGFR with purified ab52894 at 1:100 dilution (0.95 μg/ml).

    Heat mediated antigen retrieval was performed using EDTA buffer, pH 9.0. Tissue was counterstained with hematoxylin. ab97051 Goat Anti-Rabbit IgG H&L (HRP) secondary antibody was used at 1:500 dilution. PBS instead of the primary antibody was used as the negative control.

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    ** Lanes 1 - 4:** Merged signal (red and green). Green - ab52894 observed at 175 kDa. Red - loading control, ab130007 observed at 125 kDa.
    ab52894 was shown to react with EGFR in wild-type HeLa. Loss of signal was observed when knockout cell line ab255385 (knockout cell lysate ab263845) was used. Wild-type and EGFR knockout samples were subjected to SDS-PAGE. ab52894 and Anti-Vinculin antibody [VIN-54] (ab130007) were incubated overnight at 4°C at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

    All lanes: Western blot - Anti-EGFR antibody [EP38Y] (AB52894) at 1/1000 dilution

    Lane 1: A431 cell lysate at 20 µg

    Lane 2: MDA-MB-468 cell lysate at 20 µg

    Lane 3: Wild-type HeLa cell lysate at 20 µg

    Lane 4: EGFR knockout HeLa cell lysate at 20 µg

    Secondary

    All lanes: Western blot - Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (AB216773) at 1/20000 dilution

    Performed under reducing conditions.

    Predicted band size: 134 kDa

    Observed band size: 124 kDa, 134 kDa

    Lanes 1 - 4: Merged signal (red and green). Green - ab52894 observed at 175 kDa. Red - loading control, ab130007 observed at 125 kDa.

    ab52894 was shown to react with EGFR in wild-type HeLa. Loss of signal was observed when knockout cell line ab255385 (knockout cell lysate ab263845) was used. Wild-type and EGFR knockout samples were subjected to SDS-PAGE. ab52894 and Anti-Vinculin antibody [VIN-54] (ab130007) were incubated overnight at 4°C at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    Blocking and diluting buffer: 5% NFDM/TBST

    All lanes: Western blot - Anti-EGFR antibody [EP38Y] (AB52894) at 1/10000 dilution

    Lane 1: Rat liver lysates at 15 µg

    Lane 2: Mouse lung lysates at 15 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (AB97051) at 1/20000 dilution

    Predicted band size: 134 kDa

    Observed band size: 175 kDa

  • Flow Cytometry (Intracellular) - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Flow Cytometry (Intracellular) - Anti-EGFR antibody [EP38Y] (ab52894)

    Intracellular Flow Cytometry analysis of A431 (Human epidermoid carcinoma epithelial cell) cells labeling EGFR with purified ab52894.

    Cells were fixed with 4% paraformaldehyde (10 mins) and permeabilized with 90% methanol for 30 mins. Then incubated in 1x PBS / 10% normal goat serum to block non-specific protein-protein interactions followed by ab52894 at 1/20 dilution (red) for 30 mins. A Goat anti rabbit IgG (Alexa Fluorr® 488) secondary antibody was used at 1/2000 dilution. Isotype control - Rabbit monoclonal IgG (Black). Unlabeled control - Cell without incubation with primary antibody and secondary antibody (Blue).

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    Blocking and diluting buffer: 5% NFDM/TBST

    All lanes: Western blot - Anti-EGFR antibody [EP38Y] (AB52894) at 1/2000 dilution

    All lanes: HeLa (Human cervix adenocarcinoma epithelial cell) whole cell lysates at 20 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (AB97051) at 1/20000 dilution

    Predicted band size: 134 kDa

    Observed band size: 175 kDa

  • Immunocytochemistry/ Immunofluorescence - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunocytochemistry/ Immunofluorescence - Anti-EGFR antibody [EP38Y] (ab52894)

    Immunocytochemistry/ Immunofluorescence analysis of A431 (Human epidermoid carcinoma epithelial cell) cells labeling EGFR with purified ab52894 at 1:250 dilution (0.4 μg/ml).

    Cells were fixed in 4% paraformaldehyde and permeabilized with 0.1% Triton X-100. Cells were counterstained with ab195889 Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) 1:200 (2.5 μg/ml). ab150077 Goat anti rabbit IgG(Alexa Fluor® 488) was used as the secondary antibody at 1:1000 dilution. DAPI nuclear counterstain.

    PBS instead of the primary antibody was used as the secondary antibody only control.

  • Indirect ELISA - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Indirect ELISA - Anti-EGFR antibody [EP38Y] (ab52894)

    ELISA analysis of Human EGFR recombinant protein at 1000 ng/ml with ab52894. An Alkaline Phosphatase-conjugated AffiniPure Goat Anti-Rabbit IgG (H+L) at 1/2500 dilution was used as the secondary antibody.

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    This blot was produced using a 4-12% Bis-tris gel under the MOPS buffer system. The gel was run at 200V for 50 mins before being transferred onto a Nitrocellulose membrane at 30V for 70 mins. The membrane was then blocked for an hour before being incubated with unpurified ab52894 overnight at 4°C in the presence of loading control ab18058 (Mouse monoclonal [SPM227] to Vinculin diluted 1:10000). Antibody binding was detected using IR-labeled goat anti-Rabbit Ab at a 1:10,000 dilution for one hour at room temperature before imaging.

    This product yielded a strong signal in western blot using A431 (human squamous carcinoma) lysate which naturally overexpresses the EGFR protein. Western blot conditions may need to be optimised for cell lines and tissues that express lower levels of endogenous EGFR.

    All lanes: Western blot - Anti-EGFR antibody [EP38Y] (AB52894) at 1/1000 dilution

    Lane 1: Caco-2 (Human colorectal adenocarcinoma cell line) cell lysate at 20 µg

    Lane 2: A431 (Human epidermoid carcinoma cell line) cell lysate at 20 µg

    Lane 3: Mouse skin cell lysate at 20 µg

    Lane 4: Rat skin cell lysate at 20 µg

    Performed under reducing conditions.

    Predicted band size: 134 kDa

  • OI-RD Scanning - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    OI-RD Scanning - Anti-EGFR antibody [EP38Y] (ab52894)

    We have systematically measured KD (the equilibrium dissociation constant between the antibody and its antigen), of more than 840 recombinant antibodies to assess not only their individual KD values but also to see the average affinity of antibody.
    Based on the comparison with published literature values for mouse monoclonal antibodies, Recombinant antibodies appear to be on average 1-2 order of magnitude higher affinity.

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    Different batches of ab52894 were tested on HeLa (Human cervix adenocarcinoma epithelial cell) lysate at 1.0 µg/ml. 15 µg of lysate was loaded in each lane. Bands observed at 175 kDa.

    All lanes: Western blot - Anti-EGFR antibody [EP38Y] (AB52894)

    Predicted band size: 134 kDa

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894)

    Tissue microarrays stained for Anti-EGFR antibody [EP38Y] using ab52894 in immunohistochemical analysis. This table provides a detailed overview of positive (tick mark) and negative (cross mark) staining per sample type tested. The sections were pre-treated using heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins. The section was incubated with ab52894 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894)

    Immunohistochemical analysis of formalin fixed paraffin embedded human placenta labelling EGFR with ab52894 at a concentration of 0.1 µg/ml. The immunostaining was performed on a Ventana DISCOVERY ULTRA (Roche Tissue Diagnostics) instrument with an OptiView DAB IHC Detection Kit. Heat mediated antigen retrieval was conducted for 32 mins at 100°C with ULTRA cell conditioning solution (CC1, pH 8.5). ab52894 Anti-EGFR antibody [EP38Y] was incubated at 37°C for 16 mins. Sections were counterstained with Hematoxylin II. Image inset shows absence of staining in secondary antibody only control.

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    Blocking and diluting buffer and concentration: 5% NFDM/TBST.

    In Western blot, Anti-Vinculin antibody [EPR8185] (ab129002) staining at 1/10000 dilution.

    In Western blot, Anti-EGFR antibody [EP38Y] (ab52894) staining at 1/1000 dilution.

    All lanes: Western blot - Anti-EGFR (phospho Y845 + Y1068 + Y1086) antibody [RM1132] (AB319113) at 1/5000 dilution

    Lane 1: Untreated A431 (human epidermoid carcinoma epithelial cell) whole cell lysate (untreated membrane) at 10 µg

    Lane 2: A431 treated with 100ng/ml EGF for 30 minutes whole cell lysate (untreated membrane) at 10 µg

    Lane 3: Untreated A431 whole cell lysate (alkaline phosphatase treated membrane) at 10 µg

    Lane 4: A431 treated with 100ng/ml EGF for 30 minutes whole cell lysate (alkaline phosphatase treated membrane) at 10 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (AB97051) at 1/100000 dilution

    Observed band size: 175 kDa, 124 kDa

    Exposure time: 169s

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    Blocking and diluting buffer and concentration: 5% NFDM/TBST.

    In Western blot, ab319113 was shown to bind specifically to EGFR. Target of interest was observed at 175kDa, in wild-type HeLa cell lysates (lane 1/2/5/6) with no signal observed at this size in EGFR knockout cell line (lane 3/4/7/8) (knockout cell line ab255385 / knockout cell lysate ab263845).

    In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (ab181602) staining at 1/200000 dilution.

    In Western blot, Anti-EGFR antibody [EP38Y] (ab52894) staining at 1/1000 dilution.

    All lanes: Western blot - Anti-EGFR (phospho Y845 + Y1068 + Y1086) antibody [RM1132] (AB319113) at 1/1000 dilution

    Lane 1: Untreated wild-type HeLa (human cervical adenocarcinoma epithelial cell) whole cell lysate (untreated membrane) at 20 µg

    Lane 2: Wild-type HeLa treated with 100ng/ml EGF for 30 minutes whole cell lysate (untreated membrane) at 20 µg

    Lane 3: Untreated EGFR knockout HeLa whole cell lysate (untreated membrane) at 20 µg

    Lane 4: EGFR knockout HeLa treated with 100ng/ml EGF for 30 minutes whole cell lysate (untreated membrane) at 20 µg

    Lane 5: Untreated wild-type HeLa (human cervical adenocarcinoma epithelial cell) whole cell lysate (alkaline phosphatase treated membrane) at 20 µg

    Lane 6: Wild-type HeLa treated with 100ng/ml EGF for 30 minutes whole cell lysate (alkaline phosphatase treated membrane) at 20 µg

    Lane 7: Untreated EGFR knockout HeLa whole cell lysate (alkaline phosphatase treated membrane) at 20 µg

    Lane 8: EGFR knockout HeLa treated with 100ng/ml EGF for 30 minutes whole cell lysate (alkaline phosphatase treated membrane) at 20 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (AB97051) at 1/100000 dilution

    Performed under reducing conditions.

    Observed band size: 175 kDa, 36 kDa

    Exposure time: 180s

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894)

    Immunohistochemical analysis of formalin fixed paraffin-embedded human glioblastoma and placenta tissues labelling EGFRvIII with ab313646 and EGFR with ab52894 at a concentration of 2.5 µg/ml and 0.5 µg/ml.

    The immunostaining was performed on a Leica Biosystems BOND® RX instrument with a Bond™ Polymer Refine Detection kit. Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution 2) for 20 mins. Primary antibodies were incubated for 30 mins at room temperature. Sections were counterstained with Hematoxylin.

    Tissue obtained from the Human Research Tissue Bank, supported by the NHR Cambridge Biomedical Research Centre.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894)

    Chromogenic duplex (2-plex) immunohistochemical staining of formalin fixed paraffin-embedded human glioblastoma tissue performed on a Roche Ventana Discovery Ultra instrument.

    Heat mediated antigen retrieval was performed with CC1 solution for 64 min at 95°C. Two rounds of primary antibody incubation were performed each for 16 min at 37°C. anti-EGFRvIII (ab313646; 1st primary antibody; 3 µg/ml) and anti-EGFR (ab52894; 2nd primary antibody; 0.5 µg/ml). Antibody denaturation was conducted after the first round of staining using Ultra CC2 solution for 8 min at 100°C to avoid cross reactivity.

    Signal was developed with anti-rabbit HQ followed by anti-HQ HRP coupled with purple (Discovery purple kit (RUO) #760-229) and teal (Discovery teal kit (RUO) #760-247) chromogens and counterstained with haematoxylin II.

    Tissue obtained from the Human Research Tissue Bank, supported by the NHR Cambridge Biomedical Research Centre.

  • Western blot - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Western blot - Anti-EGFR antibody [EP38Y] (ab52894)

    Western blot: Anti-EGFR antibody [EP38Y] (ab52894) staining at 1/1000 dilution, shown in green; Mouse anti-Alpha Tubulin [DM1A] (ab7291) loading control staining at 1/20000 dilution, shown in magenta. In Western blot, ab52894 was shown to bind specifically to EGFR. A band was observed at 175 kDa in wild-type A549 cell lysates with no signal observed at this size in EGFR knockout cell line. To generate this image, wild-type and EGFR knockout A549 cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 5% milk in TBS-0.1% Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4°C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution.

    Lanes 1 - 4: Western blot - Anti-EGFR antibody [EP38Y] - BSA and Azide free (AB272293)

    Lanes 1 - 4: Western blot - Human EGFR knockout A549 cell line (AB286394)

    Lane 1: Wild-type A549 cell lysate at 20 µg

    Lane 2: EGFR knockout A549 cell lysate at 20 µg

    Lane 3: Wild-type HeLa cell lysate at 20 µg

    Lane 4: EGFR knockout HeLa cell lysate at 20 µg

    Developed using the ECL technique.

    Performed under reducing conditions.

    Observed band size: 175 kDa

  • Immunocytochemistry - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunocytochemistry - Anti-EGFR antibody [EP38Y] (ab52894)

    ab52894 staining of EGFR in a HCT116 cell spheroid. The cells were fixed with 4% formaldehyde (10 min), permeabilised with 0.5% Triton X-100 for 1h and then blocked with 1% BSA/10% normal goat serum/0.3M glycine in 0.1% PBS-Tween overnight at room temperature. The spheroids were then incubated overnight at room temperature with ab52894 at 2 μg/ml and ab7291, Mouse monoclonal [DM1A] to alpha Tubulin at 2 μg/ml. DAPI was used as nuclear counterstain (shown in blue). As secondary antibodies ab150081 Goat anti-Rabbit (Alexa Fluor® 488) (shown in green) and ab150120 Goat anti-Mouse (Alexa Fluor® 594) (shown in magenta) were used, incubated overnight at room temperature. All permeabilization, blocking and antibody incubation steps were performed using a rotary shaker.

    Image was acquired with a high-content analyser (Operetta CLS, Perkin Elmer) and a maximum intensity projection of confocal sections is shown.

    The antibody ab52894 also worked using 100% methanol (5 min).

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894), expandable thumbnail

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EGFR antibody [EP38Y] (ab52894)

    Immunohistochemical analysis of formalin fixed paraffin embedded human placenta labelling EGFR with ab52894 at a concentration of 0.21 µg/ml. The immunostaining was performed on a Leica Biosystems BOND® RX instrument with a Bond™ Polymer Refine Detection kit. Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution 2) for 20 mins. ab52894 Anti-EGFR antibody [EP38Y] was incubated for 30 mins at room temperature. Sections were counterstained with Hematoxylin. Image inset shows absence of staining in secondary antibody only control.

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For this product, it's our understanding that no specific protocols are required. You can:

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