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4 protocols using hyclone antibiotic antimycotic solution

1

Glioblastoma Stem Cell Culture and Drug Treatment

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All GBM tumor samples and subsequent cell line derivations were performed with written consents from patients through Quiñones laboratory, observing Institutional Review Board guidelines as previously described. GBM stem cells with tumorsphere forming capabilities, GBM 276 and GBM 612, were cultured in DMEM/F12 (1:1), 1% HyClone Antibiotic Antimycotic Solution (Thermo Scientific), Gibco B-27 serum free Supplement (Thermo Scientific 17504044), 20 ng/ml EGF, and 20 ng/ml FGF. For ligand treatment experiments, Gibco B27 serum-free supplement, minus insulin (Thermo Scientific A1895601) was used. For adherent culture, dishes were coated with Laminin (Sigma-Aldrich L2020). Coating was done in DMEM/F12 basal media for at least 2 h or overnight, and for every 1 cm2 of surface area, 1 μl of Laminin was added. Drugs used in this study are as follows: Cycloheximide (Cell signaling #2112), Bafilomycin A1 (InvivoGen CAS # 88899-55-2), MG-132 (InvivoGen CAS # 133407-82-6), Cryptotanshinone (Selleckchem Catalog No. S2285), Stattic (Selleckchem Catalog No. S7024), and S3I-201 (Selleckchem Catalog No. S1155).
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2

Glioblastoma Tumor Sample Acquisition and Cell Culture

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All glioblastoma tumor samples were obtained with written informed consent from patients through the Department of Neurosurgery, Johns Hopkins Hospital (Baltimore, MD), following Institutional Review Board (IRB) guidelines and as previously described2 (link),51 (link),52 (link). Patient tumor grade and type was determined by a neuropathologist (Supplementary Table 1). Culture conditions were in a 5% CO2 incubator at 37°C as follows: GBM 253 primary glioblastoma cells were subcultured in DMEM/F12 (1:1) Nutrient Mixture, 10% fetal bovine serum (Invitrogen), and 1% HyClone Antibiotic Antimycotic Solution (Thermo Scientific). GBM 276 and GBM 612 glioblastoma stem cells were cultured in one of two ways: 1) as serum-free cultures on laminin and poly-L-ornithine coated plates53 (link) using StemPro NSC SFM (Invitrogen) without EGF, or 2) as tumorsphere cultures with EGF (20 ng mL-1). EGF was only added to adherent cell cultures during experimental procedures.
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3

Expansion and Differentiation of C2C12 Myoblasts

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Mouse skeletal myoblasts (C2C12) were purchased from ATCC and expanded in DMEM (Gibco) supplemented with 10% FBS, and 1% HyClone Antibiotic Antimycotic solution (Thermo Scientific) on gelatin coated cell-culture plastic (BD Biosciences). Cells were cultured under standard culture conditions (37°C in 5% CO2). Medium changed every o ther day. To avoid myotube formation, cells were passaged with 0.05% trypsin/EDTA (cellgro-25052CI) at 70 – 80% confluency. For C2C12 differentiation, we supplemented DMEM (Gibco) with 2% horse serum (Gibco) and 1% antibiotic antimycotic solution (10,000 units/ml penicillin, 10,000μg/ml streptomycin, and 25μg/ml Amphotericin B; HyClone). C2C12 were expanded until passage 6 – 10.
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4

Glioblastoma Tumor Sample Acquisition and Cell Culture

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All glioblastoma tumor samples were obtained with written informed consent from patients through the Department of Neurosurgery, Johns Hopkins Hospital (Baltimore, MD), following Institutional Review Board (IRB) guidelines and as previously described2 (link),51 (link),52 (link). Patient tumor grade and type was determined by a neuropathologist (Supplementary Table 1). Culture conditions were in a 5% CO2 incubator at 37°C as follows: GBM 253 primary glioblastoma cells were subcultured in DMEM/F12 (1:1) Nutrient Mixture, 10% fetal bovine serum (Invitrogen), and 1% HyClone Antibiotic Antimycotic Solution (Thermo Scientific). GBM 276 and GBM 612 glioblastoma stem cells were cultured in one of two ways: 1) as serum-free cultures on laminin and poly-L-ornithine coated plates53 (link) using StemPro NSC SFM (Invitrogen) without EGF, or 2) as tumorsphere cultures with EGF (20 ng mL-1). EGF was only added to adherent cell cultures during experimental procedures.
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