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2 protocols using a673 cells

1

Cell Culture Protocol for Sarcoma Cell Lines

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WE-68 cells were a gift from Dr F. van Valen (Münster, Germany). SK-ES-1 and HeLa cells were purchased from the DSMZ (Braunschweig, Germany). A673 cells were purchased from Sigma Aldrich (Deisenhofen, Germany). WE-68, SK-ES-1 and HeLa cells were cultured in RPMI 1640 medium and A673 cells were cultured in DMEM (Lonza, Cologne, Germany). Media were supplemented with 10% foetal calf serum (Capricorn Scientific, Ebsdorfergrund, Germany), 2 mM l-glutamine, 100 units/ml penicillin G sodium and 100 µg/ml streptomycin sulphate (Lonza). All tissue culture vessels used for the cultivation of ES cells were coated with rat tail collagen (Merck, Darmstadt, Germany) at a concentration of 5 µg/cm2. Cells were maintained at a temperature of 37 °C in a humidified 5% CO2 incubator and routinely passaged at a confluence of ~ 90%. Cells were tested to be negative for mycoplasma with the qPCR Mycoplasma Test Kit from Applichem (Darmstadt, Germany).
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2

Cytotoxic Compound Screening in Cancer Cell Lines

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Cell culture and treatment Dr. F. van Valen (Münster, Germany) kindly provided WE-68 cells. A673 cells were purchased from Sigma Aldrich. HCT116 p53 wt and p53 -/-colon cancer cells were a gift from Dr. B. Vogelstein (Baltimore, MD, USA). WE-68 cells were maintained in RPMI 1640, and A673 and HCT116 cells were maintained in DMEM with 4.5 g/l glucose (Thermo Fisher). Media were supplemented with 10% FCS, 2 mM L-glutamine, 100 U/ml penicillin/streptomycin (Thermo Fisher). ES cells were cultivated in collagen-coated (5 μg/cm 2 ; Thermo Fisher) tissue culture asks. Dr. A. Poth (Roßdorf, Germany) kindly provided BALB/c-3T3-A31-1-1 cells from Hatano Research Institute of Japan. BALB/c cells were maintained in DMEM/HAM's F-12 (3.0 g/l glucose; Biochrom) supplemented with 5% FCS and 100 U/ml penicillin/streptomycin. Only subcon uent cells (about 70% con uence) between the passages 20 to 40 were used for the BALB-CTA. All cells were cultivated in a humidi ed incubator at 37°C with 5% CO 2 .
Cells were treated with 0-50 mM AUY922, 1-10 µM VE821, 5-15 µM KU55933 (Selleck chemicals) or their combinations for up to 72 h.
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