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7 protocols using anti cdh1

1

Quantification and Histological Analysis of Lung Metastases

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For quantification of metastatic lesions, mouse lungs were isolated, washed briefly in PBS, fixed in Bouin’s fixative (Sigma) overnight at 4 °C, and stored in 70% ethanol before counting lung nodules. For histological analysis, lungs were fixed in 10% formalin overnight at 4 °C, dehydrated, and embedded in paraffin (Tissue Tek Embedding Station). 3μm sections were cut on a Leica RM2255 rotary microtome. For antigen retrieval, deparaffinized slides were immersed in R-buffer A (Electron Microscopy Services) and boiled in a microwave for 20 min. Samples were blocked and permeabilized for 30 min in blocking buffer (5% normal goat serum, 0.3% TritonX-100 in PBS), followed by primary antibody incubation overnight at 4 °C using anti-CDH1 (1:100, BD Biosciences, 610181). Secondary antibody (1:500, BD Biosciences) was incubated for 1 h at RT. All sections were analyzed using a Nikon A1 confocal microscope and Zeiss fluorescence microscope.
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2

Western Blot Analysis of Protein Targets

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Ten micrograms of total protein from the cell lysates were separated on SDS-PAGE gels and transferred to nitrocellulose membranes (Millipore Corp., Bedford, MA, USA). Membranes were blocked and incubated overnight with primary antibodies: anti-IκB (1:500 dilution, 9242, Cell Signaling Technology), anti-CDH1 (1:1000 dilution, 610181, BD Biosciences), and anti-β-actin (1:500 dilution, ab8229, Abcam). Immunoreactivity was visualized with IRDye 700 or 800 conjugated affinity-purified secondary antibodies (1:10000 dilution, Rockland Immunochemicals, Gilbertsville, PA, USA) using the Odyssey infrared imaging system (Li-COR, Lincoln, NE, USA).
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3

Western Blot Analysis of Protein Targets

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Ten micrograms of total protein from the cell lysates were separated on SDS-PAGE gels and transferred to nitrocellulose membranes (Millipore Corp., Bedford, MA, USA). Membranes were blocked and incubated overnight with primary antibodies: anti-IκB (1:500 dilution, 9242, Cell Signaling Technology), anti-CDH1 (1:1000 dilution, 610181, BD Biosciences), and anti-β-actin (1:500 dilution, ab8229, Abcam). Immunoreactivity was visualized with IRDye 700 or 800 conjugated affinity-purified secondary antibodies (1:10000 dilution, Rockland Immunochemicals, Gilbertsville, PA, USA) using the Odyssey infrared imaging system (Li-COR, Lincoln, NE, USA).
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4

Comprehensive Protein Expression Analysis

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Co-immunoprecipitation and subsequent Western blotting was performed as described previously (15 ). Antibodies include: anti-ERG (ab92513, Abcam; CM421C, Biocare Medical), anti-PTEN (CST9559L, Cell Signaling Technology), anti-p53 (sc126, Santa Cruz Biotechnology), anti-AR (sc816, Santa Cruz Biotechnology), anti-NKX3.1 (NB100-1828, Novus Biologicals), anti-RB (554136, BD Biosciences), anti-pRB S795 (CST9301S, Cell Signaling Technology), anti-SKP2 (32-3300, Life Technologies), anti-CCND1 (sc718, Santa Cruz Biotechnology), anti-CDK1 (sc54, Santa Cruz Biotechnology), anti-TWIST (sc6269, Santa Cruz Biotechnology), anti-CDH1 (610181, BD Biosciences), anti-VIM (sc73258, Santa Cruz Biotechnology), anti-ERK2 (sc1647, Santa Cruz Biotechnology), anti-CDK2 (sc6248, Santa Cruz Biotechnology), anti-E2F1 (sc193, Santa Cruz Biotechnology), anti-pAKT S473 (CST4060L, Cell Signaling Technology), anti-AKT (CST9272, Cell Signaling Technology).
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5

Immunolocalization of Uterine Markers

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Immunolocalization of Ki67, CD31, ESR1, PGR, p-IKK, p-STAT3, CD68, CD163, COX2, iNOS, MMP9 and p-AKT was determined in cross-sections (5 μm) of paraffin-embedded uterine sections using specific primary antibodies and a Vectastain Elite ABC Kit (Vector laboratories, Burlingame, CA, USA) or DyLight-conjugated secondary antibody (Jackson ImmunoResearch Lab, West Grove, PA, USA). Antibodies used in these analyses were: anti-CDH1 (1:120 dilution, 610181, BD Biosciences, San Jose, CA, USA), anti-Ki67 (1:200 dilution, 550609, BD Biosciences), anti-CD31 (1:100 dilution, ab28364, Abcam, Cambridge, MA, USA), anti-ESR1 (1:100 dilution, sc-542, Santa Cruz Biotechnology, Santa Cruz, CA, USA), anti-PGR (1:200 dilution, RB-9017-P0, Thermo Scientific, Rockford, IL, USA), p-IKK (1:150 dilution, 2697, Cell Signaling Technology, Danvers, MA, USA), p-STAT3 (1:50 dilution, 9145, Cell Signaling Technology), CD68 (1:300 dilution, ab955, Abcam), CD163 (1:300 dilution, ab126756, Abcam), COX2 (1:50 dilution, RM-9121, Thermo Scientific), iNOS (1:50 dilution, 610333, BD Biosciences), MMP9 (1:50 dilution, 3852, Cell Signaling Technology), and p-AKT (1:200 dilution, 3787, Cell Signaling Technology).
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6

Western Blot Analysis of EMT Markers

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SDS lysis buffer (0.05 mM Tris-HCl, 50 mM BME, 2% SDS, 0.1% Bromophenol blue, 10% glycerol) was used to collect protein from cells. Samples were heat denatured. Protein was equally loaded, separated on a 10% SDS-page gel, transferred onto a pure nitrocellulose membrane (BioRad), and blocked with 5% milk. Primary antibodies for immunoblotting included anti-pSMAD2 (1:1000, Cell Signaling, 3108), anti-pSMAD3 (1:250, ThermoFisher, 44-246 G), anti-SMAD2/3 (1:1000, Cell Signaling, 3102), anti-CDH1 (1:5000, BD Biosciences, 610181), anti-CDH2 (1:2000, BD Biosciences, 610920), anti-ZEB1 (1:3000, Bethyl, A301-922A), anti-Vimentin (1:5000, BD Biosciences, 550513), and anti-β-Actin (1:5000, Abcam, ab8227) for loading control. Membranes were incubated with horseradish peroxidase (HRP)-conjugated anti-mouse secondary antibody (1:5000, GE Healthcare) or anti-rabbit secondary antibody (1:5000, GE Healthcare) for 1 h, after which chemiluminescent signals were detected using ECL substrate (GE Healthcare).
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7

Immunolocalization of Uterine Markers

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Immunolocalization of Ki67, CD31, ESR1, PGR, p-IKK, p-STAT3, CD68, CD163, COX2, iNOS, MMP9 and p-AKT was determined in cross-sections (5 μm) of paraffin-embedded uterine sections using specific primary antibodies and a Vectastain Elite ABC Kit (Vector laboratories, Burlingame, CA, USA) or DyLight-conjugated secondary antibody (Jackson ImmunoResearch Lab, West Grove, PA, USA). Antibodies used in these analyses were: anti-CDH1 (1:120 dilution, 610181, BD Biosciences, San Jose, CA, USA), anti-Ki67 (1:200 dilution, 550609, BD Biosciences), anti-CD31 (1:100 dilution, ab28364, Abcam, Cambridge, MA, USA), anti-ESR1 (1:100 dilution, sc-542, Santa Cruz Biotechnology, Santa Cruz, CA, USA), anti-PGR (1:200 dilution, RB-9017-P0, Thermo Scientific, Rockford, IL, USA), p-IKK (1:150 dilution, 2697, Cell Signaling Technology, Danvers, MA, USA), p-STAT3 (1:50 dilution, 9145, Cell Signaling Technology), CD68 (1:300 dilution, ab955, Abcam), CD163 (1:300 dilution, ab126756, Abcam), COX2 (1:50 dilution, RM-9121, Thermo Scientific), iNOS (1:50 dilution, 610333, BD Biosciences), MMP9 (1:50 dilution, 3852, Cell Signaling Technology), and p-AKT (1:200 dilution, 3787, Cell Signaling Technology).
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