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5 protocols using cdn1163

1

Allosteric SERCA Activator CDN1163 in mdx Mice

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CDN1163, an allosteric SERCA activator, was purchased from Sigma-Aldrich (St. Louis, MO). CDN1163 was reported to be selective against > 160 off-targets (23 ). CDN1163 showed an acceptable pharmacokinetic profile in mice (20 (link),21 (link)), and membranes showed high permeability to CDN1163. Vehicle (10% DMSO, 10% Tween-80 in PBS) or CDN1163 (1.0 mg/ml stock solution, final dose of 40 mg/kg) was intraperitoneally injected into mdx mice.
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2

Calcium Signaling Pathway Analysis

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Phospho MLC20 (Ser19), total MLC20, β-actin antibodies were purchased from Cell Signaling Technology (Danvers, MA, USA). SERCA2a and SERCA2b antibodies were purchased from Badrilla Ltd (Leads, UK). Fura-2am, Fura-2am calibration kit, Alexa Fluor secondary antibodies, DMEM/F12, DMEM, fetal bovine serum (FBS), triple antibiotics (penicillin, streptomycin, and Amphotericin B), Prolong Gold antifade mounting medium with DAPI, WGA dye, and Alexa Flour 488 antibody labeling kit were purchased from Thermo Fischer Scientific (Waltham, MA, USA). SEC61A antibody was purchased from Abcam (Cambridge, MA, USA). DMSO, thapsigargin, CDN1163, bovine serum albumin, and α-SMA antibody were purchased Sigma Aldrich (St Louis, MO, USA). All other chemicals and reagents were from Sigma Aldrich (St. Louis, MO, USA), otherwise we indicated specifically.
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3

Detailed Reagent Procurement Protocol

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All chemicals used in this study were purchased at reagent quality (purity > 95% by high-performance liquid chromatography): CDN1163, N-(2-methylquinolin-8-yl)-4-propan-2-yloxybenzamide (Sigma, St. Louis, MO, USA); istaroxime, (3E,5S,8R,9S,10R,13S,14S)-3-(2-aminoethoxyimino)-10,13-dimethyl-1,2,4,5,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-6,17-dione (MedChemExpress LLC, Monmouth Junction, NJ, USA); CP-154526, N-butyl-N-ethyl-2,5-dimethyl-7-(2,4,6-trimethylphenyl)pyrrolo[2,3-d]pyrimidin-4-amine (Sigma), Ro 41-0960, (3,4-dihydroxy-5-nitrophenyl)-(2-fluorophenyl) methanone (Sigma); AMP-PCP, β, γ-methyleneadenosine-5′-triphosphate (Sigma).
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4

Comprehensive TMAO Metabolism Analysis

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TMAO (Sigma, Cat. 317594), D9-TMAO(Cambridge Isotopes,Cat. DML-4779-1), [6]-gingerol (Sigma, Cat. 345868), CDN1163 (Sigma, Cat. SML1682), MCC950 sodium (MCE, Cat. HY-12815A), Glucose (Sinopharm Chemical Reagent Co., Ltd. Cat. 10010592), GLP-1 (7-36) (MCE, Cat. HY-P0054), L-Arginine monohydrochloride (Sigma, Cat. A5131), Fatty acid free bovine serum albumin (Equitech-Bio, Inc.Cat. BAH66), Collagenase from Clostridium histolytium (Sigma, Cat. C9263), Human recombinant insulin (Lilly Cat. HI0219), Fura-2, AM (Invitrogen, Cat. F1221), mitoSOX Red, Molecular Probes (Invitrogen, M36008), phosphoenolpyruvate (Sigma, Cat. P7127), ATP disodium salt (Sigma, Cat. A3377), pyruvate kinase (Sigma, P1903-1KU), lactate dehydrogenase (Sigma, Cat. 59747), NADH (Sigma, Cat. N8129), digitonin (Sigma, Cat. D141), protease inhibitor cocktail (Sigma, Cat. P8340), PMSF (Roche, Cat. 10837091001), 4-Bromo A23187 (MCE, Cat. HY-N6694), Anti-Biotin MicroBeads (Miltenyi Biotec, Cat. 130-090-485).
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5

Modulating SERCA Activity in HEK293T Cells

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HEK293T cells were transfected as indicated in Table 2. After 18-hour incubation wrapped in foil in a 37°C/5% CO2 incubator, media was replaced with 100µL complete DMEM +/− 30µM SERCA activator CDN1163 (Sigma-Aldrich) and incubated at 37°C for 1 hour. Then, media was replaced again with 100µL DMEM + 10% FBS + 1% PS containing 10µM furimazine and one of the following SERCA inhibitors: 10µM cyclopiazonic acid (CPA) (Sigma-Aldrich), 10µM 2,5-di-(tert-butyl)-1,4-hydroquinone (DBHQ) (Sigma-Aldrich), or 10µM Thapsigargin (EMD Millipore). Bioluminescence measurements were taken in real-time immediately after adding SERCA inhibitor + furimazine and compared to cells treated with just 10µM furimazine. Firefly luciferase reporter expression was measured ~12 hours later, as described above.
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