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anti epha2 af3035 antibodies  (R&D Systems)


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    R&D Systems anti epha2 af3035 antibodies
    Anti Epha2 Af3035 Antibodies, supplied by R&D Systems, used in various techniques. Bioz Stars score: 93/100, based on 43 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/anti+epha2+antibody/Human+EphA2+Antibody/pm41991671-190-12-18
    Average 93 stars, based on 43 article reviews
    anti epha2 af3035 antibodies - by Bioz Stars, 2026-10
    93/100 stars

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    Related Articles

    Magnetic Cell Separation:

    Article Title: Expression and functional analyses of ephrin type-A receptor 2 in mouse spermatogonial stem cells
    Article Snippet: MACS and FACS Testis cells were collected from wild-type B6 mice (MACS for characterization), green mice (MACS for transplantation), the transgenic mouse line B6,129-TgR (ROSA26)26SOR (designated as ROSA26 mouse; Jackson Laboratory, Bar Harbor, ME) (FACS) by collagenase type II digestion, as described previously [ 20 ]. .. For MACS, dissociated testis cells (2 × 10 7 for wild-type and green mice; 5–10 × 10 7 for ROSA26 mice) were incubated with anti-EPHA2 antibody (5 μg/ml; MAB639; R&D systems, Minneapolis, MN) or anti-cadherin 1 antibody (5 μg/ml; ECCD2, gift from Dr. Masatoshi Takeichi from RIKEN CDB, Kobe, Japan) for 10 min at 4 °C. .. After washing the cells twice with 1% fetal bovine serum/PBS, the cells were incubated with antirat IgG magnetic beads for 15 min at 4 °C (10 μL/10 7 cells; Miltenyi Biotec, Gladbach, Germany).

    Incubation:

    Article Title: Expression and functional analyses of ephrin type-A receptor 2 in mouse spermatogonial stem cells
    Article Snippet: MACS and FACS Testis cells were collected from wild-type B6 mice (MACS for characterization), green mice (MACS for transplantation), the transgenic mouse line B6,129-TgR (ROSA26)26SOR (designated as ROSA26 mouse; Jackson Laboratory, Bar Harbor, ME) (FACS) by collagenase type II digestion, as described previously [ 20 ]. .. For MACS, dissociated testis cells (2 × 10 7 for wild-type and green mice; 5–10 × 10 7 for ROSA26 mice) were incubated with anti-EPHA2 antibody (5 μg/ml; MAB639; R&D systems, Minneapolis, MN) or anti-cadherin 1 antibody (5 μg/ml; ECCD2, gift from Dr. Masatoshi Takeichi from RIKEN CDB, Kobe, Japan) for 10 min at 4 °C. .. After washing the cells twice with 1% fetal bovine serum/PBS, the cells were incubated with antirat IgG magnetic beads for 15 min at 4 °C (10 μL/10 7 cells; Miltenyi Biotec, Gladbach, Germany).

    Article Title: Antitumour activity and tolerability of an EphA2-targeted nanotherapeutic in multiple mouse models.
    Article Snippet: 1Merrimack Pharmaceuticals, Cambridge, MA, USA.. 2Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.. 3Cancer Center, Texas Tech University Health Sciences Center, Lubbock, TX, USA.

    Immunoprecipitation:

    Article Title: Inhibition of EphA2 by syndecan-4 in wounded skin regulates clustering of fibroblasts
    Article Snippet: Cells were surface-labelled with 0.13 mg/ml sulpho-NHS-LC-biotin (ThermoFisher) for 30 min at 4°C, before quenching with 1 M Tris (pH 6.8) and lysing in 50 mM Tris (pH 7.5), 250 mM sodium chloride, 10 mM magnesium chloride, 5 mM EGTA, 1% Triton X-100, 0.5% sodium deoxycholate, and Complete Protease Inhibitor (Roche). .. Protein was either immunoprecipitated with anti-EphA2 antibody (R&D Systems, AF639) and DynabeadsTM Protein G (ThermoFisher) before western blotting with DyLight800-conjugated streptavidin (ThermoFisher), for phosphotyrosine (4g10, Millipore) or pY596/pY602 EphA2 , or precipitated with DynabeadsTM Streptavidin (ThermoFisher) before western blotting for EphA2. .. EphrinA1-Fc (R&D Systems) was pre-clustered before use with anti-human IgG (Stratech Scientific) for 10 min at 37°C.

    Article Title: Inhibition of EphA2 by syndecan-4 in wounded skin regulates clustering of fibroblasts.
    Article Snippet: Cells were surface-labelled with 0.13 mg/ml sulpho-NHS-LC-biotin (ThermoFisher) for 30 min at 4°C, before quenching with 1 M Tris (pH 6.8) and lysing in 50 mM Tris (pH 7.5), 250 mM sodium chloride, 10 mM magnesium chloride, 5 mM EGTA, 1% Triton X-100, 0.5% sodium deoxycholate, and Complete Protease Inhibitor (Roche). .. Protein was either immunoprecipitated with anti-EphA2 antibody (R&D Systems, AF639) and Dynabeads Protein G (ThermoFisher) before western blotting with DyLight800-conjugated streptavidin (ThermoFisher), for phosphotyrosine (4g10, Millipore) or pY596/pY602 EphA2 (Marston et al., 2003), or precipitated with Dynabeads Streptavidin (ThermoFisher) before western blotting for EphA2. .. Ephrin-A1-Fc (R&D Systems) was pre-clustered before use with anti-human IgG (Stratech Scientific) for 10 min at 37°C.

    Western Blot:

    Article Title: Inhibition of EphA2 by syndecan-4 in wounded skin regulates clustering of fibroblasts
    Article Snippet: Cells were surface-labelled with 0.13 mg/ml sulpho-NHS-LC-biotin (ThermoFisher) for 30 min at 4°C, before quenching with 1 M Tris (pH 6.8) and lysing in 50 mM Tris (pH 7.5), 250 mM sodium chloride, 10 mM magnesium chloride, 5 mM EGTA, 1% Triton X-100, 0.5% sodium deoxycholate, and Complete Protease Inhibitor (Roche). .. Protein was either immunoprecipitated with anti-EphA2 antibody (R&D Systems, AF639) and DynabeadsTM Protein G (ThermoFisher) before western blotting with DyLight800-conjugated streptavidin (ThermoFisher), for phosphotyrosine (4g10, Millipore) or pY596/pY602 EphA2 , or precipitated with DynabeadsTM Streptavidin (ThermoFisher) before western blotting for EphA2. .. EphrinA1-Fc (R&D Systems) was pre-clustered before use with anti-human IgG (Stratech Scientific) for 10 min at 37°C.

    Article Title: Inhibition of EphA2 by syndecan-4 in wounded skin regulates clustering of fibroblasts.
    Article Snippet: Cells were surface-labelled with 0.13 mg/ml sulpho-NHS-LC-biotin (ThermoFisher) for 30 min at 4°C, before quenching with 1 M Tris (pH 6.8) and lysing in 50 mM Tris (pH 7.5), 250 mM sodium chloride, 10 mM magnesium chloride, 5 mM EGTA, 1% Triton X-100, 0.5% sodium deoxycholate, and Complete Protease Inhibitor (Roche). .. Protein was either immunoprecipitated with anti-EphA2 antibody (R&D Systems, AF639) and Dynabeads Protein G (ThermoFisher) before western blotting with DyLight800-conjugated streptavidin (ThermoFisher), for phosphotyrosine (4g10, Millipore) or pY596/pY602 EphA2 (Marston et al., 2003), or precipitated with Dynabeads Streptavidin (ThermoFisher) before western blotting for EphA2. .. Ephrin-A1-Fc (R&D Systems) was pre-clustered before use with anti-human IgG (Stratech Scientific) for 10 min at 37°C.

    Membrane:

    Article Title: Effectiveness of anti-erythropoietin producing Hepatocellular receptor Type-A2 antibody in pancreatic cancer treatment
    Article Snippet: .. After the proteins were transferred to a polyvinylidene fluoride membrane, the membrane was detected using the 1 μg/ml anti-EphA2 antibody (R&D Systems) or anti-His (Proteintech Group) antibody at 4 °C overnight. .. The next day, after washing with PBST, the membrane was incubated with HRP-conjugated secondary antibody (Jackson ImmunoResearch Laboratories).

    Binding Assay:

    Article Title: Internalizing cancer antibodies from phage libraries selected on tumor cells and yeast displayed tumor antigens
    Article Snippet: .. Specific binding to yeast displayed EphA2 and CD44 extracellular domains of the EphA2 natural ligand Ephrin A1, and antibodies to EphA2 and CD44 suggests that the domains are not only displayed but displayed in a form that can be specifically recognized by antibodies ( ). fig ft0 fig mode=article f1 fig/graphic|fig/alternatives/graphic mode="anchored" m1 Open in a separate window caption a7 caption a8 Display of antigen domains on the surface of yeast (a) The extracellular domain (ECD) of receptor EphA2 was displayed on yeast surface and recognized by anti-EphA2 antibody and recombinant mouse Ephrin A1 (R&D) as determined by flow cytometry analysis. (b) The link domain of CD44 (domain 1, or D1) was displayed on the yeast surface and recognized by anti-CD44 rabbit monoclonal antibody as determined by flow cytometry analysis. ..

    Recombinant:

    Article Title: Internalizing cancer antibodies from phage libraries selected on tumor cells and yeast displayed tumor antigens
    Article Snippet: .. Specific binding to yeast displayed EphA2 and CD44 extracellular domains of the EphA2 natural ligand Ephrin A1, and antibodies to EphA2 and CD44 suggests that the domains are not only displayed but displayed in a form that can be specifically recognized by antibodies ( ). fig ft0 fig mode=article f1 fig/graphic|fig/alternatives/graphic mode="anchored" m1 Open in a separate window caption a7 caption a8 Display of antigen domains on the surface of yeast (a) The extracellular domain (ECD) of receptor EphA2 was displayed on yeast surface and recognized by anti-EphA2 antibody and recombinant mouse Ephrin A1 (R&D) as determined by flow cytometry analysis. (b) The link domain of CD44 (domain 1, or D1) was displayed on the yeast surface and recognized by anti-CD44 rabbit monoclonal antibody as determined by flow cytometry analysis. ..

    Flow Cytometry:

    Article Title: Internalizing cancer antibodies from phage libraries selected on tumor cells and yeast displayed tumor antigens
    Article Snippet: .. Specific binding to yeast displayed EphA2 and CD44 extracellular domains of the EphA2 natural ligand Ephrin A1, and antibodies to EphA2 and CD44 suggests that the domains are not only displayed but displayed in a form that can be specifically recognized by antibodies ( ). fig ft0 fig mode=article f1 fig/graphic|fig/alternatives/graphic mode="anchored" m1 Open in a separate window caption a7 caption a8 Display of antigen domains on the surface of yeast (a) The extracellular domain (ECD) of receptor EphA2 was displayed on yeast surface and recognized by anti-EphA2 antibody and recombinant mouse Ephrin A1 (R&D) as determined by flow cytometry analysis. (b) The link domain of CD44 (domain 1, or D1) was displayed on the yeast surface and recognized by anti-CD44 rabbit monoclonal antibody as determined by flow cytometry analysis. ..

    FACS:

    Article Title: Antitumour activity and tolerability of an EphA2-targeted nanotherapeutic in multiple mouse models.
    Article Snippet: 1Merrimack Pharmaceuticals, Cambridge, MA, USA.. 2Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.. 3Cancer Center, Texas Tech University Health Sciences Center, Lubbock, TX, USA.



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    Santa Cruz Biotechnology anti epha2
    BioID protein interaction profiling reveals a <t>PI3Kβ–EPHA2</t> interaction induced by PTEN loss in cancer cells. A, Workflow depicting the BioID experiment. PTEN-null cancer cells were overexpressed with vector, BioID- PIK3CA , or BioID- PIK3CB , and biotin was added to the culture medium, followed by immunoprecipitating with SBP beads. Biotinylation and identification of bait-interacting protein was detected by MS. B, Heatmap showing the MS intensities of all proteins pulled down by PIK3CA -BirA* or PIK3CB -BirA* in PTEN-null cell lines (MDA-MB-468 and BT549). Clustering was assessed with the Euclidean distance measurement in column and the Z-normalization in row. Proteins of interest were colored. C, Plot of sum intensity for protein interactors of PI3Kα and PI3Kβ identified by MS analysis from cells expressing PIK3CA-BirA* or PIK3CB-BirA* in PTEN-null cell lines (MDA-MB-468 and BT549). D, EPHA2 colocalized with PI3Kβ on the cell membrane. IF staining with anti-PI3Kβ (green) <t>and</t> <t>anti-EPHA2</t> (red) in PTEN-null BT549 cells. DAPI was used for nuclear staining. Scale bars, 50 μm. E, Endogenous EPHA2 IP from PTEN-null BT549 and HCC70 cells analyzed by Western blot with the indicated antibodies. F, PTEN loss enhanced PI3Kβ–EPHA2 interaction. PTEN-WT and PTEN-KO HEK293T cells were transfected with Flag-tagged PI3Kα, PI3Kβ, and EPHA2-HA, and cell lysate was immunoprecipitated with anti-Flag antibody. G, PTEN restoration blunted the dominant interaction between EPHA2 and PI3Kβ. Co-IP assay of exogenous PI3Kα and PI3Kβ with exogenous EPHA2 in vector and PTEN stably overexpressed BT549 cells. Flag-tagged PI3Kα and PI3Kβ were immunoprecipitated with anti-Flag antibody and then analyzed by Western blot with the indicated antibodies. H, PTEN restoration blunted the dominant interaction between endogenous EPHA2 and PI3Kβ in BT549 cells.
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    Image Search Results


    3D light sheet and 2D multi-cyclic imaging data comparison (Mouse Glioblastoma) (A) Imaris 3D surface rendering of autofluorescence (cyan) and glioblastoma target cells stained with anti-GFP-Alexa Fluor 647 nanobody (red). (B) Imaris 3D surface rendering of autofluorescence (cyan) and glioblastoma target cells stained with anti-GFP-Alexa Fluor 647 nanobody (red) with target plane in yellow. (C) Optical section of target plane of interest. (D) Fluorescence image of physical cryosection. (E) MICS image of section shown in D. (F) MICS image indicating anti-GFP-Alexa Fluor 647 nanobody (red) staining. (G) Magnified merged four color multiparameter MICS image with anti-EGFR (magenta), anti-GFAP (green), anti-NeuN (blue), anti-CD146 (yellow). (H–P) Nine exemplary MICS images with merges of anti-GFP-Alexa Fluor 647 nanobody staining (red) and antibody-conjugates against EGFR (H), Neurofilament (I), Nestin (J), GFAP (K), CD44 (L), CD146 (M), NeuN (N), EphA2 (O) and GLAST (P) (gray) (see “Antibodies”). Scale bars: (A–F) 500 μm; (G) 50 μm; (H–P) 500 μm.

    Journal: STAR Protocols

    Article Title: Protocol for 3D-guided sectioning and deep cell phenotyping via light sheet imaging and 2D spatial multiplexing

    doi: 10.1016/j.xpro.2025.104296

    Figure Lengend Snippet: 3D light sheet and 2D multi-cyclic imaging data comparison (Mouse Glioblastoma) (A) Imaris 3D surface rendering of autofluorescence (cyan) and glioblastoma target cells stained with anti-GFP-Alexa Fluor 647 nanobody (red). (B) Imaris 3D surface rendering of autofluorescence (cyan) and glioblastoma target cells stained with anti-GFP-Alexa Fluor 647 nanobody (red) with target plane in yellow. (C) Optical section of target plane of interest. (D) Fluorescence image of physical cryosection. (E) MICS image of section shown in D. (F) MICS image indicating anti-GFP-Alexa Fluor 647 nanobody (red) staining. (G) Magnified merged four color multiparameter MICS image with anti-EGFR (magenta), anti-GFAP (green), anti-NeuN (blue), anti-CD146 (yellow). (H–P) Nine exemplary MICS images with merges of anti-GFP-Alexa Fluor 647 nanobody staining (red) and antibody-conjugates against EGFR (H), Neurofilament (I), Nestin (J), GFAP (K), CD44 (L), CD146 (M), NeuN (N), EphA2 (O) and GLAST (P) (gray) (see “Antibodies”). Scale bars: (A–F) 500 μm; (G) 50 μm; (H–P) 500 μm.

    Article Snippet: EphA2 antibody, anti-mouse, APC, REAfinity , Miltenyi Biotec B.V. & Co. KG , Cat# 130-109-187 RRID: AB_2651638.

    Techniques: Imaging, Comparison, Staining, Fluorescence

    MMP-9 , a factor that promotes Vasculogenic mimicry, is highly expressed in CC and is associated with poor prognosis. (A) CC database of TCGA was used to analyze key factors associated with VM. (B) Association of Sox2 expression with overall survival in CC (log-rank test). (C) Association of MMP-9 expression with overall survival in CC (log-rank test). (D) Panoramic scans after immunohistochemical detection of MMP-9 and H&E staining in samples from cancerous and paracancerous tissues from subjects with CC. Scale bar, 50 µm. Original magnification, ×20. (E) Protein levels of MMP-9 in 20 paired samples, with the MMP-9 level in CC tissue expressed compared with that in the paired normal tissue. (F) Expression levels of MMP-9 mRNA in 44 paired CC and paracancerous tissues, with MMP-9 expression in CC tissue expressed compared with that in the paired normal tissue. (G) Comparison of the average expression levels of MMP-9 mRNA in CC tissues compared with paracancerous tissues. (H) HeLa and SiHa cells were incubated under hypoxia (0.1% O 2 ) and proteins collected at 24, 48 and 72 h for western blotting of ALDH1, EPHA2, MMP-9 and GAPDH. ImageJ was used to semi-quantify western blotting signals from HeLa (I) and SiHa (J) cells. GAPDH served as an internal reference. *P<0.05, **P<0.01 and ***P<0.001. MMP-9, matrix metalloproteinase 9; VM, vasculogenic mimicry; ALDH1, aldehyde dehydrogenase 1; EPHA2, ephrin type-A receptor 2; TCGA, The Cancer Genome Atlas; Sox2, SRY-box transcription factor 2; CC, cervical cancer; CESC, cervical squamous cell carcinoma.

    Journal: Oncology Letters

    Article Title: RNA methyltransferase NSUN2 enhances vasculogenic mimicry and malignant progression of cervical cancer through upregulation of MMP-9

    doi: 10.3892/ol.2026.15518

    Figure Lengend Snippet: MMP-9 , a factor that promotes Vasculogenic mimicry, is highly expressed in CC and is associated with poor prognosis. (A) CC database of TCGA was used to analyze key factors associated with VM. (B) Association of Sox2 expression with overall survival in CC (log-rank test). (C) Association of MMP-9 expression with overall survival in CC (log-rank test). (D) Panoramic scans after immunohistochemical detection of MMP-9 and H&E staining in samples from cancerous and paracancerous tissues from subjects with CC. Scale bar, 50 µm. Original magnification, ×20. (E) Protein levels of MMP-9 in 20 paired samples, with the MMP-9 level in CC tissue expressed compared with that in the paired normal tissue. (F) Expression levels of MMP-9 mRNA in 44 paired CC and paracancerous tissues, with MMP-9 expression in CC tissue expressed compared with that in the paired normal tissue. (G) Comparison of the average expression levels of MMP-9 mRNA in CC tissues compared with paracancerous tissues. (H) HeLa and SiHa cells were incubated under hypoxia (0.1% O 2 ) and proteins collected at 24, 48 and 72 h for western blotting of ALDH1, EPHA2, MMP-9 and GAPDH. ImageJ was used to semi-quantify western blotting signals from HeLa (I) and SiHa (J) cells. GAPDH served as an internal reference. *P<0.05, **P<0.01 and ***P<0.001. MMP-9, matrix metalloproteinase 9; VM, vasculogenic mimicry; ALDH1, aldehyde dehydrogenase 1; EPHA2, ephrin type-A receptor 2; TCGA, The Cancer Genome Atlas; Sox2, SRY-box transcription factor 2; CC, cervical cancer; CESC, cervical squamous cell carcinoma.

    Article Snippet: The membranes were blocked with 5% milk at 20±5°C for 1 h. The blocked membranes were incubated at 4°C overnight with the following antibodies: A rabbit monoclonal anti-NSUN2 antibody (1:1,000; cat. no. AB259941; Abcam), a rabbit monoclonal anti-transfer RNA aspartic acid methyltransferase 1 (TRDMT1) antibody (1:1,000; cat. no. 19221-1-AP; Proteintech Group, Inc.; Wuhan Sanying Biotechnology), a rabbit polyclonal anti-MMP-9 antibody (1:1,000; cat. no. 10375-2-AP; Proteintech Group, Inc.; Wuhan Sanying Biotechnology), a rabbit polyclonal anti-aldehyde dehydrogenase 1 (ALDH1) antibody (1:1,000; cat. no. 15910-1-AP; Proteintech Group, Inc.; Wuhan Sanying Biotechnology), a rabbit polyclonal anti-ephrin type-A receptor 2 (EPHA2) antibody (1:1,000; cat. no. AF5 238; Affinity Biosciences) and a rabbit polyclonal anti-GAPDH antibody (1:1,000; TA309157 OriGene Technologies, Inc.).

    Techniques: Expressing, Immunohistochemical staining, Staining, Comparison, Incubation, Western Blot

    BioID protein interaction profiling reveals a PI3Kβ–EPHA2 interaction induced by PTEN loss in cancer cells. A, Workflow depicting the BioID experiment. PTEN-null cancer cells were overexpressed with vector, BioID- PIK3CA , or BioID- PIK3CB , and biotin was added to the culture medium, followed by immunoprecipitating with SBP beads. Biotinylation and identification of bait-interacting protein was detected by MS. B, Heatmap showing the MS intensities of all proteins pulled down by PIK3CA -BirA* or PIK3CB -BirA* in PTEN-null cell lines (MDA-MB-468 and BT549). Clustering was assessed with the Euclidean distance measurement in column and the Z-normalization in row. Proteins of interest were colored. C, Plot of sum intensity for protein interactors of PI3Kα and PI3Kβ identified by MS analysis from cells expressing PIK3CA-BirA* or PIK3CB-BirA* in PTEN-null cell lines (MDA-MB-468 and BT549). D, EPHA2 colocalized with PI3Kβ on the cell membrane. IF staining with anti-PI3Kβ (green) and anti-EPHA2 (red) in PTEN-null BT549 cells. DAPI was used for nuclear staining. Scale bars, 50 μm. E, Endogenous EPHA2 IP from PTEN-null BT549 and HCC70 cells analyzed by Western blot with the indicated antibodies. F, PTEN loss enhanced PI3Kβ–EPHA2 interaction. PTEN-WT and PTEN-KO HEK293T cells were transfected with Flag-tagged PI3Kα, PI3Kβ, and EPHA2-HA, and cell lysate was immunoprecipitated with anti-Flag antibody. G, PTEN restoration blunted the dominant interaction between EPHA2 and PI3Kβ. Co-IP assay of exogenous PI3Kα and PI3Kβ with exogenous EPHA2 in vector and PTEN stably overexpressed BT549 cells. Flag-tagged PI3Kα and PI3Kβ were immunoprecipitated with anti-Flag antibody and then analyzed by Western blot with the indicated antibodies. H, PTEN restoration blunted the dominant interaction between endogenous EPHA2 and PI3Kβ in BT549 cells.

    Journal: Cancer Discovery

    Article Title: PTEN Loss Promotes PI3Kβ Phosphorylation and EPHA2/SRC/p-PI3Kβ Y962 Complex Assembly to Drive Tumorigenesis

    doi: 10.1158/2159-8290.CD-25-1126

    Figure Lengend Snippet: BioID protein interaction profiling reveals a PI3Kβ–EPHA2 interaction induced by PTEN loss in cancer cells. A, Workflow depicting the BioID experiment. PTEN-null cancer cells were overexpressed with vector, BioID- PIK3CA , or BioID- PIK3CB , and biotin was added to the culture medium, followed by immunoprecipitating with SBP beads. Biotinylation and identification of bait-interacting protein was detected by MS. B, Heatmap showing the MS intensities of all proteins pulled down by PIK3CA -BirA* or PIK3CB -BirA* in PTEN-null cell lines (MDA-MB-468 and BT549). Clustering was assessed with the Euclidean distance measurement in column and the Z-normalization in row. Proteins of interest were colored. C, Plot of sum intensity for protein interactors of PI3Kα and PI3Kβ identified by MS analysis from cells expressing PIK3CA-BirA* or PIK3CB-BirA* in PTEN-null cell lines (MDA-MB-468 and BT549). D, EPHA2 colocalized with PI3Kβ on the cell membrane. IF staining with anti-PI3Kβ (green) and anti-EPHA2 (red) in PTEN-null BT549 cells. DAPI was used for nuclear staining. Scale bars, 50 μm. E, Endogenous EPHA2 IP from PTEN-null BT549 and HCC70 cells analyzed by Western blot with the indicated antibodies. F, PTEN loss enhanced PI3Kβ–EPHA2 interaction. PTEN-WT and PTEN-KO HEK293T cells were transfected with Flag-tagged PI3Kα, PI3Kβ, and EPHA2-HA, and cell lysate was immunoprecipitated with anti-Flag antibody. G, PTEN restoration blunted the dominant interaction between EPHA2 and PI3Kβ. Co-IP assay of exogenous PI3Kα and PI3Kβ with exogenous EPHA2 in vector and PTEN stably overexpressed BT549 cells. Flag-tagged PI3Kα and PI3Kβ were immunoprecipitated with anti-Flag antibody and then analyzed by Western blot with the indicated antibodies. H, PTEN restoration blunted the dominant interaction between endogenous EPHA2 and PI3Kβ in BT549 cells.

    Article Snippet: The lysates were then incubated with anti-Flag M2 agarose (Sigma, cat. #M8823, RRID: SCR_024337), anti-HA M2 agarose (Sigma, cat. #SAE019), or anti-EPHA2 (Cell Signaling Technology, cat. #6997, RRID: AB_10827743) antibody together with protein A agarose (MCE, cat. #HY-K0203) for 3 hours at 4°C.

    Techniques: Plasmid Preparation, Expressing, Membrane, Staining, Western Blot, Transfection, Immunoprecipitation, Co-Immunoprecipitation Assay, Stable Transfection