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3 protocols using a2494001

1

Comprehensive Breast Cancer Cell Culture

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All cell lines were purchased directly from ATCC (American Type Culture Collection) except for SUM159pt which was purchased from BioIVT. MDA-MB-231, MDA-MB-468, HCC1806 and T47D cells were cultured in RPMI-1640 (Gibco, 11879020) supplemented with 5 mM glucose (Gibco, A2494001), 10% fetal bovine serum (R&D, S11550), and 1x antibiotic-antimycotic solution (Corning, 30-004-CI). SUM159pt cells were cultured in RPMI-1640 (Gibco, 11879020) supplemented with 5 mM glucose (Gibco, A2494001), 5ug/ml Insulin (Sigma-Aldrich, I9278), 1ug/ml hydrocortisone (Sigma-Aldrich, H4001), 5% fetal bovine serum (R&D, S11550), and 1x antibiotic-antimycotic solution (Corning, 30-004-CI). MCF10A cells were cultured in MEGM (Lonza, CC-3150) supplemented with 1x antibiotic-antimycotic solution (Corning, 30-004-CI). All the cells were incubated at 37°C with 5% CO2 and 95% relative humidity.
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2

Mesangial Cell Viability under Glucose and MCC950

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The rat mesangial cell line HBZY-1 was purchased from the China Center for Type Culture Collection (Wuhan, China) and were cultured in low-glucose (5.5 mmol/L) DMEM (Hyclone, SH30021, USA) with 10% FBS (Bioind, 04–001-1A, USA), 100 μg/mL streptomycin and 100 U/mL penicillin (Gibco, 15140-122, USA). The cells were routinely cultured at 5% CO2 and 37°C with saturated humidity, digested and passaged after 85% cell confluence. At 24 hrs after cell passaging and attachment, the cells were divided into five groups and cultured for 48 hrs: 1) the normal-glucose group (NG) that received 5.5 mmol/L glucose (Sigma, A24940-01,USA); 2) the high-glucose group (HG) that received 30 mmol/L glucose with vehicle (DMSO); 3) the 0.01 μM MCC950 group (0.01) that received 30 mmol/L glucose with 0.01 μmol/L MCC950; 4) the 0.1 μM MCC950 group (0.1) that received 30 mmol/L glucose with 0.1 μmol/L MCC950 and 5) the 1 μM MCC950 group (1) that received 30 mmol/L glucose with 1 μmol/L MCC950. We tested cell viability at 0 and 48 hrs by light microscopy and trypan blue exclusion.
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3

Quantifying Cellular NAD+ and NADH Levels

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Total cellular NADH and NAD+ levels were determined using the EnzyChrom NAD+/NADH assay kit (BioAssay Systems, E2ND-100). Briefly, HKC-8 cells were plated at a density of 400,000 cells in a 6-well plate. Next day, cells were washed with PBS and grown in DMEM (ThermoFisher, A1443001) supplemented with 10% FBS, 1x Penicillin/Streptomycin and various carbon sources for 4 h (1) Complete medium contained 5.5 mM glucose (Gibco™, A2494001) and 4 mM glutamine (Sigma-Aldrich, G7513), (2) glutamine free medium contained only 5.5 mM glucose and (3) pyruvate supplemented medium contained, 5.5 mM glucose, 4 mM glutamine and 3 mM sodium pyruvate (Gibco™, 11360070). DNP (25 uM) (Sigma-Aldrich, D198501) and resazurin (10 uM or 50 uM) (Sigma-Aldrich, R7017) treatments were performed for 1 h. Cells were washed with PBS. NAD+ and NADH were extracted from the lysate according to the manufacturer’s protocol. The change in absorbance at 565 nm for 15 min at room temperature was measured.
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