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2 protocols using anti fbw7

1

Quantitative Protein Analysis in Cardiac Fibrosis

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The total protein was extracted from the cultured CFs, and the levels were compared by immunoblotting the proteins based on their expression in the left ventricular peri-infarct area (PIA) of rats [32 (link)]. Antibodies used for probing were anti-FBW7, anti-Snail, anti-SMAD3/4, anti-phosphor-SMAD3/4 (Abcam, Cambridge, UK), anti-Twist, anti-TGF-β, anti-ubiquitin, and anti-actin antibody (Sigma-Aldrich Corp. St. Louis, MO, USA). The corresponding secondary antibodies were purchased from Stressgen Biotechnologies Corporation, Victoria, BC, Canada. Signals were used for detection using the Enhanced Chemiluminescence (ECL) kit (GE Healthcare, UK). Densitometry was employed to quantify the protein levels. β-actin was used as the loading control in the western blotting experiment for normalization.
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2

Gartanin-Mediated Protein Degradation

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Gartanin was obtained from Chromadex with 99% purity (Irvine, CA). MG-132 and MLN4924 were obtained from Cayman Chemical Inc. (Ann Arbor, MI). Antibodies against Ubc12, ubiquitin, and β-tubulin were from Santa Cruz Biotechnology, Inc. (Santa Cruz, CA). Anti-Skp2 antibodies were purchased from Invitrogen (Grand Island, NY). Anti-Myc-tag, anti-LC3B-II, anti-FBXW2, anti-Cdh1, and anti-β-TrPC antibodies were from Cell Signaling Inc. (Boston, MA). Anti-Cullin-1, anti-FBW7 and anti-NEDD8 antibodies were from Abcam (Cambridge, MA). Anti-p27/Kip1 antibody was from BD Biosciences (Billerica, MA). 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) was purchased from Sigma. Reverse Transcription System kit and was from Promega (Mandison, WI). A quantitative reverse transcription polymerase chain reaction (RT-PCR) kit was from Bio-Rad (Hercules, CA).
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