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7 protocols using ab129069

1

Multiparameter Immunoblotting Analysis

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Donkey anti Goat IR Dye 680RD (1: 10,000), 926-68074, Donkey anti Mouse IRDye 680RD (1: 10,000), Goat anti Rabbit IRDye 800CW (1: 10,000), 926-32211 (All Licor Biosciences Ltd), Goat anti Aconitase 2, Ab99467 (1: 10000), Rabbit anti Aconitase 2, Ab129069 (1: 50,000), Goat anti Aconitase 1, Ab10694 (1: 500), Complex II Ab Cocktail, Ab110410 (1: 250), Rabbit anti Glut4, Ab654 (1: 2,000), Rabbit anti SDHB, Ab84622 (1: 1,000), Rabbit anti TST, Ab60128, (1: 2,000)(All Abcam), Rabbit anti SDHB (1: 7,000), NBP1-54154, Rabbit anti SOD2 (1; 2,000), NBP1-40422, Goat anti SOD1 (1: 10,000), all Novus Biologicals, NB100-60944, Rabbit polyclonal anti-TST antibody, GTX 114858 (1: 1,000), Source Biochemicals.
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2

Mitochondrial Enzyme Profiling in Cardiomyocytes

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Cardiomyocytes were prepared and treated as above. Cells were lysed with RIPA buffer and 20 μg of protein was loaded onto 10% gels. Membranes were probed for succinate dehydrogenase (ab178423; Abcam), pyruvate dehydrogenase (ab131263; Abcam), aconitase (ab129069; Abcam), and GAPDH (AB2302, 1:5000; Millipore). Densitometric readings of band intensities were obtained using ImageJ software.
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3

Protein Analysis of Cellular Pathways

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High-glucose Dulbecco's modified Eagle's medium (H-DMEM) was obtained from Basalmedia Technologies (Shanghai, China) and fetal bovine serum (FBS) was obtained from Bailing Biotechnology (Lanzhou, China). TurboFect™ transfection reagent (R0531) and Pierce™ Protein G Magnetic Beads were from Thermo Fisher Scientific (Waltham, NY, USA). Cholesterol was obtained from Sigma-Aldrich (St. Louis, MO, USA). The primary antibodies, rabbit monoclonal anti-AKT1 (ab81283), anti-AKT-1/2/3 (ab179463), anti-mTOR/p-mTOR (ab32028, ab109268), anti-HO-1 (ab52947), anti-Aconitase2 (Aco2) (ab129069), anti-lactate dehydrogenase (LDH) (ab134187), anti-pyruvate dehydrogenase E-1β (PDHE-1β) (ab155996), anti-nuclear factor erythroid 2-like 2 (Nrf2) (ab62352) and anti-EBP (ab135745) were purchased from Abcam (Cambridge, MA, USA). Anti-histone H3.1 was obtained from Abmart. Anti-malic dehydrogenase (MDH2) (#8610) was obtained from Cell Signaling Technology. The anti-rabbit HRP-labeling and the anti-rabbit DyLight™ 488- and anti-mouse DyLight™ 633-labeled secondary antibodies were from KPL.
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4

Western Blot Analysis of Mitochondrial Proteins

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Less than 100 mg of snap‐frozen tissue was lysed in RIPA buffer supplemented with protease inhibitor cocktail (Merck‐Sigma, Gillingham, UK). Tissue was homogenised using a Polytron tissue homogeniser for 30 s followed by centrifugation, for 15 min at 4 °C, to pellet tissue debris. Lysates were subjected to SDS‐PAGE and transferred to nitrocellulose membranes (Amersham Biosciences, Amersham, UK) for western blotting. Blots were probed for β3 integrin (antibody a kind gift from Barry Coller, Rockefeller University; 1:500), succinate dehydrogenase (ab178423, 1:1000; Abcam, Cambridge, UK), pyruvate dehydrogenase (ab131263, 1:1000; Abcam), aconitase (ab129069, 1:10 000; Abcam), and GAPDH (AB2302; Merck, Hoddeston, UK). Densitometric readings of band intensities were obtained using ImageJ software (NIH, USA).
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5

Western Blot Antibody Panel for Iron Regulation

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The following antibodies were used for Western blot analysis: anti-EIF3B (Bethyl A301-761A) at 1:1000; anti-FTL (Abcam, ab69090) at 1:800; anti-FTH (Santa Cruz, sc-25617) at 1:400; anti-IRP1 (Abbexa, abx004618) at 1:400; anti-IRP2 (Abcam, ab129069) at 1:800; and anti-b-Actin (Abcam, ab8227) at 1:1000, anti-Ferroportin (Novus, NBP 1–2150255) at 1:300.
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6

Multiparameter Immunoblotting Analysis

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Donkey anti Goat IR Dye 680RD (1: 10,000), 926-68074, Donkey anti Mouse IRDye 680RD (1: 10,000), Goat anti Rabbit IRDye 800CW (1: 10,000), 926-32211 (All Licor Biosciences Ltd), Goat anti Aconitase 2, Ab99467 (1: 10000), Rabbit anti Aconitase 2, Ab129069 (1: 50,000), Goat anti Aconitase 1, Ab10694 (1: 500), Complex II Ab Cocktail, Ab110410 (1: 250), Rabbit anti Glut4, Ab654 (1: 2,000), Rabbit anti SDHB, Ab84622 (1: 1,000), Rabbit anti TST, Ab60128, (1: 2,000)(All Abcam), Rabbit anti SDHB (1: 7,000), NBP1-54154, Rabbit anti SOD2 (1; 2,000), NBP1-40422, Goat anti SOD1 (1: 10,000), all Novus Biologicals, NB100-60944, Rabbit polyclonal anti-TST antibody, GTX 114858 (1: 1,000), Source Biochemicals.
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7

Western Blot Analysis of Mitochondrial Proteins

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Fibroblasts were grown under standard conditions and lysed with RIPA buffer containing Complete Protease Inhibitor (Roche, Germany). For each sample, we harvested ~ 500,000 cells and loaded 30 µg of total protein on 10% polyacrylamide gels and resolved by one-dimensional discontinuous sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). Proteins were blotted on nitrocellulose membrane (Invitrogen GmbH, Karlsruhe, Germany) by using the iBlot 2 device (Invitrogen GmbH, Karlsruhe, Germany) for 7 min at 20 V. Proteins of interest were labeled with primary antibodies against ACO2 (anti-rabbit; Abcam: ab129069; dilution: 1:1000), β-Actin (anti-mouse; Cell signal: 37005; dilution: 1:5000), TOM20 (anti-rabbit; Santa Cruz: Sc-11415; dilution: 1:1000) and secondary antibodies goat anti-mouse IgG (Novex: A24524; dilution: 1:10,000) or goat anti-rabbit IgG (Novex: A24537; 1:5000), respectively. Protein bands were visualized with Amersham ECL Western Blotting Detection Reagent (GE healthcare, Freiburg, Germany) on the ODYSSEY chemiluminescence 2800 Fc (Li-COR, Lincoln, USA). Three independent samples per cell line (n = 3) were assessed. Image J software was used for relative signal quantification.
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