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4 protocols using dmem high glucose

1

Colorectal Cancer Cell Culture Protocols

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Colorectal cancer cells (DLD-1, HT-29, SW480, and SW620) were procured from the American Type Culture Collection (ATCC, Manassas, VA, USA). Table 5 shows the main differential characteristics of the colon cancer lines used in this study.
Cells lines were cultured in Dulbecco’s modified Eagle’s medium (DMEM-High Glucose, Dominique Dutscher, Bernolsheim, France), 10% fetal bovine serum (FBS, PAN Biotech, Aidenbach, Germany), 2 mM L-glutamine (FBS, PAN Biotech, Germany), and 1% penicillin/streptomycin (Corning, New York, NY, USA) at 37 °C in a humidified incubator (Series II water Jacker, Thermo Scientific, Waltham, MA, USA) with 5% CO2.
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Lipid Droplet Biogenesis in HeLa Cells

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HeLa cells were maintained in DMEM High Glucose (Dutscher) with 10% FBS and 1% penicillin–streptomycin at 37°C with 5% CO2 and seeded on MatTek 35-mm coverslip bottom dishes for at least 16 h before transfection. Cells were transfected with the different plasmids by using jetPEI transfection reagent (#101-10N; PolyPlus) for 24 h. For the TG-rich LD experiments, cells were then incubated for 24 h with DMEM supplemented with OA conjugated to BSA (1% vol/vol) for a final concentration of 400 µM. The SE-rich LD conditions were conducted by incubating the cells for 24 h with DMEM supplemented with CHOL (70000P; Avanti) conjugated to methyl-β-cyclodextrin (at a molar ratio of 1:20; C4555-1G; Sigma-Aldrich) for a final concentration of 250 µM. The LDs were labeled using HCS LipidTOX Deep Red Neutral Lipid Stain (H34477; Invitrogen) or MDH visualization Dye (SM100a; ABCEPTA). Microscopy visualization was conducted on a Carl ZEISS LSM 800 microscope coupled with a polarized light module and a 37°C heating plate for the CHOL-enriched conditions.
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3

Regulation of Osteosarcoma Cell Survival

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The Saos2 Tet-on cell line, human osteosarcoma cells with a tetracyclin-inducible gene expression system were purchased from Clontech, Mountain View, CA, USA. The Saos2 cells were modified to stably express Wip1 following a treatment with doxycycline (Sigma–Aldrich, St. Louis, MO, USA, D9891), as described in a previous paper.6 (link) Murine embryonic fibroblasts were isolated according to the standard protocol from wild-type 12-day c57-Bl/6 mice. All cell lines were cultured at 37 °C with 5% CO2 in a humidified incubator in DMEM high glucose (Dutscher, Brumath, France, L0104-500) with 10% FBS (Pan Biotech, Aidenbach, Germany, 8500-P131704) and Penicillin-Streptomycin-Amphotericin antibiotics (Pan Biotech, P06-07300). To induce Wip1, cells were treated with 1 μg/ml doxycycline 24 h prior to cisplatin (Sigma–Aldrich, P4394) and/or 75nM MK-1775 Wee1 inhibitor treatments (Axon Medchem, Groningen, The Netherlands, 955365-80-7).
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Cultivation of Colorectal Cancer Cell Lines

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Three human colorectal tumor cell lines were employed: SW-480 (CCL-228), SW-620 (CCL-227) and DLD-1 (CCL-221). All of them were purchased from American Type Culture Collection (ATCC, Manassas, VA, USA). The cells were cultured in Dulbecco´s modified Eagle´s medium (DMEM-High Glucose, Dominique Dutscher, Bernolsheim, France) with 10% fetal bovine serum (FBS, PAN Biotech, Aidenbach, Germany), 2 mM L-glutamine (Cytiva, Washington, DC, USA) and 1% penicillin/streptomycin (Corning, New York, NY, USA) at 37 C in a humidified incubator (Series II water Jacker, Thermo Scientific, Waltham, MA, USA) with 5% CO2.
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