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Anti phospho lrp6

Manufactured by Cell Signaling Technology
Sourced in United States, United Kingdom

Anti-phospho-LRP6 is a primary antibody that specifically recognizes the phosphorylated form of the low-density lipoprotein receptor-related protein 6 (LRP6) cell surface receptor. LRP6 is a key component of the Wnt signaling pathway, which plays a critical role in various cellular processes.

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5 protocols using anti phospho lrp6

1

Protein Immunoblot Analysis of EMT6 and 4T1 Cells

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EMT6 or 4T1 cells were harvested for protein lysates for immunoblotting as described in [31] (link). List of antibodies: anti-collagen I (ab34710, abcam), anti-beta-catenin (sc-7963, Santa Cruz Biotechnology), anti-alpha-tubulin (sc-8935, Santa Cruz Biotechnology), anti-phospho-LRP6 (#2568, Cell Signaling Technology), and anti-LRP6 (#3395, Cell Signaling Technology). Densitometry was determined by the ImageJ program.
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2

Western Blot Analysis of Signaling Proteins

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The cells were lysed using RIPA lysate (1% NP40, 0.1% SDS, 5 mM EDTA, 0.5% sodium deoxycholate, and 1 mM sodium orthovanadate). Equal amounts (20 µg) of the samples were separated by SDS-PAGE and then transferred to a polyvinylidene fluoride membrane. The following primary antibodies (Cell Signaling Technology, Boston, MA, USA) were incubated with the membrane at 4 °C overnight: anti-ubiquitin-C (1:1000 dilution); anti-Wnt-3a (1:1000); anti-Wnt-7a (1:2000); anti-phospho-LRP6 (1:1000); anti-phospho-IκBα (1:1000); anti-phospho-p65 (1:1000); anti-phospho-PTEN (1:500); anti-phospho-Akt (1:1000) and anti-β-action (1:2000) antibodies. Secondary antibodies (Cell Signaling Technology, Boston, MA, USA, 1:5000 dilution) were added and incubated with enhanced chemiluminescence (ECL) reagent (including Luminol and Peroxide solution, Millipore, Schwalbach, Germany). The chemiluminescence, which reflected the expression of proteins, was visualized by X-ray film.
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3

Corneal Protein Extraction and Western Blot

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Total protein from corneas was extracted on ice with RIPA lysis buffer in the presence of freshly added protease and phosphatase inhibitors (Thermo Fisher Scientific, Waltham, MA, USA). A total of 10 μg/lane protein extract was loaded onto a 4%–20% gradient SDS-polyacrylamide gel and transferred to nitrocellulose membranes (Bio-Rad Laboratories). Nonspecific binding was blocked with 5% nonfat milk or 5% BSA in Tris-buffered saline with Tween20 (TBST) as recommended for each antibody. The membrane was incubated with rabbit anti-VEGF (ab46154; Abcam, Cambridge, MA, USA), anti-Angpt1 (ab95230; Abcam), anti-Tie2 (catalog [Cat.] no. 7403; Cell Signaling, Danvers, MA, USA), anti-phospho-Tie2 (AF2720-SP; R&D Systems, Minneapolis, MN, USA), anti-PI3K (p85) (Cat. no. 4292; Cell Signaling), anti-phospho-PI3K (p85) (Cat. no. 4228; Cell Signaling), anti-Akt (ab8805; Abcam), anti-phospho-Akt1 (ab81283; Abcam), anti-Fzd4 (ab83042; Abcam), anti-LRP6 (Cat. no. 3395S; Cell Signaling), anti-phospho-LRP6 (Cat. no. 2568S; Cell Signaling), anti-N-p-β-catenin (Cat. no. 4270; Cell Signaling), or anti-β-catenin (Cat. no. 8480S; Cell Signaling) antibodies overnight at 4°C. IRDye 800CW goat anti-rabbit IgG (Cat. no. 926-32211; LI-COR, Lincoln, NE, USA) was used as the secondary antibody, and mouse anti-GAPDH antibody (ab8245; Abcam) was used as an internal standard.
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4

Western Blot Analysis of Cell Signaling

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Lysates were prepared using RIPA buffer (10 mM Tris-Cl (pH 8.0), 1 mM EDTA, 1% (v/v) Triton X-100, 0.1% (w/v) sodium deoxycholate, 0.1% (w/v) SDS and 140 mM NaCl) supplemented with protease inhibitor tablets (ThermoFisher, UK). Equal protein samples were separated on 10% (v/v) SDS polyacrylamide gel electrophoresis gels and transferred to PVDF membranes (Sigma Aldrich) which were blocked and probed overnight at 4 °C with 1:1000 anti-ERG (Abcam, UK), 1:10,000 anti-β-actin (Abcam), 1:2500 anti-GAPDH (Millipore, UK), 1:1000 β-catenin, 1:1000 anti-c-Myc, 1:1000 anti-cyclin D1 or 1:1000 anti-phospho-LRP6 (all Cell Signalling Technologies, UK) primary antibodies. Membranes were incubated in 1:2000 HRP-linked anti-rabbit or anti-mouse IgG secondary antibody (NEB) for 2 h at room temperature. Membranes were incubated in Luminata Forte Western HRP substrate (Millipore) for chemiluminescent detection prior to image acquisition using a Li-Cor Odyssey imaging system.
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5

Comprehensive Panel of Breast Cancer Cell Lines

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MDA-MB-231, MCF7, T47D, SKBR3, BT474, BT-20, MDA-MB-468, Hs578t and MDA-MB-453 and MDA-MB-157 cells purchased from the American Type Culture Collection (Manassas, VA). MFM 223, SUM159PE and SUM185PE cells were kindly provided by Dr. Jennifer A. Pietenpol (Vanderbilt-Ingram Cancer Center). ACK1, AR, EGFR, Her2, Her3, Mcl-1, Bcl-2, Puma, YB-1, FAK, AKT, Anti-phospho-AKT (Ser473), anti-phospho-S6K1 (S79), Anti-phospho-4-EBP1, Anti-phospho-LRP6, Anti-phospho-mTOR, Anti-phospho-YB-1, Anti-phospho-FAK (Y397), anti- ribosomal protein S6, anti-ribosomal protein S6, BCL-xL and anti-cleaved Casp3 antibodies were obtained from Cell Signaling Technology (Beverly, MA). Anti-phospho-ribosomal protein S6 (S235/236), mouse anti-ERK antibody and Anti-phospho-ERK were purchased from Santa Cruz Biotechnology (Santa Cruz, CA). Anti-Vinculin was purchased from Sigma. Secondary anti-mouse IgG with horseradish peroxidase was from Calbiochem. Secondary anti-rabbit IgG with horseradish peroxidase was from GE Healthcare. Ceritinib and Paclitaxel were purchased from APExBIO. Bicalutamide (97%) purchased from ACROS Organics. The 133 FDA-approved drugs were kindly provided from NCI/DTP Approved Oncology Drugs Plated Set (AODVIII).
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