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2 protocols using ab231720

1

Myricetin Modulates Skeletal Muscle Metabolism

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Myricetin (DY0103, HPLC ≥98%) was purchased from MUST Biotechnology Co., Ltd. (Chengdu, China) for animal study. For cell experiments, Myricetin (70050) and DMSO (D2650) was obtained from Sigma-Aldrich (St. Louis, MO, USA). Dulbecco’s modified Eagle medium (DMEM) and horse serum (16050130) were bought from Gibco (Carlsbad, CA). Fetal bovine serum (FBS) was purchased from Hyclone Laboratories, Inc. (Logan, UT, USA). Cell Counting Kit-8 (CCK-8) was purchased from Dojindo (Kumamoto, Japan). mirVana™ miRNA Inhibitors (rno-miR-499-5p, MH11352), mirVanaTM miRNA mimics (rno-miR-499-5p, MC11352), Lipofectamine RNAiMAX Transfection Reagent (13778083) and antibody against PGC-1α (PA5–38021) were bought from Invitrogen (Massachusetts, USA). Antibodies against slow skeletal myosin heavy chain (ab11083), fast skeletal myosin heavy chain (ab91506), Sox6 (ab30455), tnni1 (ab231720) and myoglobin (ab77232) were purchased from Abcam (Cambridge, UK). Antibody against Cytochrome C (Cyt C, sc-13,561) and β-actin (sc-47778) were purchased from Santa Cruz Biotechnology (CA, USA).
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2

Gastrocnemius Muscle Protein Analysis

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The gastrocnemius muscle tissues were lysed using ice-cold RIPA lysis buffer (Beyotime Biotech, Shanghai, China) supplemented with 1% phenylmethylsulfonyl fluoride (PMSF), and then centrifuged at 12 000 rpm for 15 min at 4°C. Then, the protein concentration was quantified using a bicinchoninic acid (BCA) protein assay kit (Thermo Scientific, USA). We used primary antibodies against Rac2 (#ab154711, 1: 2000; Abcam, Cambridge, MA), Itgb2 (#73663, 1: 1000; Cell Signaling), Lcp2 (#4958, 1: 1000; Cell Signaling), Myl3 (#ab680, 1: 100; Abcam, Cambridge, MA), Tnni1 (#ab231720, 1: 2000; Abcam, Cambridge, MA), Toll-like receptor 4 (TLR-4, #14358, 1: 1000; Cell Signaling), and NF-κB p65 (#8242, 1: 1000; Cell Signaling), followed by incubating with the secondary antibody against IgG (#ab7090 or #ab205719, 1: 5000, Abcam, Cambridge, USA). Protein levels were normalized by probing the same blots with a GAPDH antibody (#3683, 1: 1,000; Cell Signaling). Finally, the protein bands were visualized with an Odyssey® IR scanner (LI-COR, USA) and quantified by Image J (version 1.8.0) software (National Institutes of Health, NY).
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