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61 protocols using u87mg cells

1

Endothelial and Cancer Cell Culture Conditions

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Human umbilical vein endothelial cells (HUVECs) and human pulmonary microvascular endothelial cells (HPMECs) were purchased from Typical Animal Reserve Center of China (Shanghai, China) and ScienCell (Carlsbad, CA), respectively. Both HUVECs and HPMECs were cultured in endothelial cell medium (ECM, ScienCell, Carlsbad, CA) and cells harvested at passages 3–10 were used in assays. Human hepatocellular carcinoma (HCC) Hep3B cells were obtained from ATCC and cultured in DMEM supplemented with 10% FBS, 100 U/mL penicillin, and 100 mg/mL streptomycin. Human lung carcinoma cells (A549) were obtained from the China Centre for Type Culture Collection (CCTCC, Wuhan, China) and cultured in RPMI-1640 supplemented with 10% FBS, 100 U/mL penicillin, and 100 mg/mL streptomycin. Human erythroleukemia TF-1 cells were purchased from ATCC and cultured in RPMI-1640 supplemented with 2 ng/mL rhGM-CSF and 10% FBS. Human glioblastoma U87-MG cells were from ATCC (Molsheim, France) and cultured in DMEM supplemented with 10% FBS, 100 U/mL penicillin, and 100 mg/mL streptomycin. All the above cells were incubated at 37 °C under 95% air and 5% CO2. A hypoxic condition was created in a hypoxia chamber (Billups-Rothenberg, Inc., San Diego, CA) equilibrated with certified gas containing 1% O2, 5% CO2, and 94% N2.
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2

Culturing Murine and Human Cell Lines

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Murine astrocytoma ALTS1C1 cells (BCRC60582, Taiwan) [22 (link)], murine pancreatic UN-KC6141 cells (kindly provided by Prof. Batra, S. K. from Department of Pathology and Microbiology, University of Nebraska Medical Center, USA) [23 (link)], and human glioma U87-MG cells (ATCC No. CRL-9589, Manassas, VA, USA) were maintained in Dulbecco’s modified Eagle’s medium (GIBCO, Thermo Fisher Scientific, Inc., USA) with 10% fetal bovine serum (GIBCO), and 1% penicillin–streptomycin (GIBCO) at 37 °C in a humidified 5% CO2/air atmosphere.
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3

Culturing U87-MG Cells Under Hypoxia

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U87-MG cells were newly purchased from ATCC. Cells were routinely cultured in DMEM medium, supplemented with 10% foetal bovine serum (FBS), 2 mM L-glutamine, 100 U/mL penicillin and 100 μg/mL streptomycin (growth medium). All cells were grown in humidified 5% CO2 incubator at 37 °C. For hypoxia experiments, cells were incubated in humidified Sci-tive NN Hypoxia workstation (Ruskinn Technology) set at 5% CO2, 1% O2, and 37 °C.
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4

Cell Culture Protocols for Cancer Research

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CHO-K1 (ECACC, Wiltshire, UK) and CHO-ETBR cells (CHO-K1 cells stably transfected with vector expressing human ETBR [40] (link)) were donated by the laboratory of Frédéric Ducancel (CEA, Saclay, France). U87-MG cells (ATCC, Manassas, VA) were donated by the laboratory of Andreas Jacobs (Max Plank Institute, Köln, Germany). 4T1 and EMT6 cells (ATCC, Manassas, VA) were donated by the laboratory of Lina Bolotine (Research Centre for Automatic Control (CRAN), Nancy-University, UMR CNRS, France). MDA-MB-231, A-431, MCF-7 and PC3 cells were purchased from ATCC (Manassas, VA).
CHO cells were grown in Nutrient Mixture F-12 HAM supplemented with 10% Foetal Bovin Serum (FBS). MCF-7 cells were grown in RPMI media supplemented with 10% FBS. A431, MDA-MB-231, U87-MG, 4T1, and EMT6 cells were grown in DMEM media with 10% FBS. All the cell types were grown at 37°C in a 5% CO2 atmosphere.
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5

Cellular Uptake Assay for 68Ga-RGD Peptides

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Human glioblastoma multiforme U-87 MG cells (ATCC, Manassas, VA, USA) were cultured in Dulbecco’s Modified Eagle Medium (Sigma Aldrich, St. Louis, MO, USA) supplemented with 10% fetal bovine serum, 0.1 mM non-essential amino acids and 1.0 mM sodium pyruvate at 37 °C in a 5% carbon dioxide humidified incubator. The cells were subcultured and used for experiments at a confluency of 70–90%.
Cell uptake assay was performed in 24-well plates with U-87 MG cell at high confluency. The assay itself was carried out using a dedicated buffer instead of the regular cell culture media. The buffer consists of 25 mM Tris/HCl, 5.4 mM KCl, 1.8 mM CaCl2, 0.8 mM MgSO4, 5 mM glucose, 140 mM NaCl in H2O [34 (link)].
The cells were incubated with 68Ga-labeled RGD peptides (20 µM) alone and also with excess (2 mM) of cold RGD peptide for 90 min (37 °C) in the buffer described above. The cells were rinsed with PBS, lysed in 0.1 M NaOH and measured for radioactivity in a gamma counter (PerkinElmer, Waltham, Massachusetts, USA). The uptake was calculated as the mean of the percentage of the applied dose ± standard deviation.
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6

Cell Culture Protocols for Cancer Research

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U87-MG cells were purchased from ATCC (Manassas, VA). U251-MG cells were purchased from Sigma-Aldrich. U87-MG and U251-MG were passaged regularly and cultured with DMEM (Corning Life Sciences, Corning, NY) in the presence of 10% v/v fetal bovine serum (Atlanta Biologicals; Life Technologies). Immortalized mammary epithelial cells (IMECs) were a kind gift from Dr. James DiRenzo. IMECs were cultured in DMEM/F12 50/50 media supplemented with 5% FBS, 2 mM glutamine (Gibco), 5 μg/mL insulin (Akron Biotech), 500 μg/mL hydrocortisone (MP Biomedical), and 10 ng/mL recombinant human epidermal growth factor (Promega). Cells were routinely verified as mycoplasma free with the MycoProbe kit (R&D Systems).
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7

Culturing Highly Invasive U87 MG Glioblastoma Cells

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Human glioblastoma U87 MG cells (ATCC) were used for all experiments because of their highly invasive nature. Cells were cultured at 37 °C in a 5% CO2 atmosphere in DMEM/F12 (Sigma-Aldrich, St. Louis, MO, USA) supplemented with 10% fetal bovine serum (Fisher Scientific, Hampton, NH, USA), 1% penicillin/streptomycin (Invitrogen, Carlsbad, CA, USA) and 1% MycoZap (Life Technologies, Carlsbad, CA, USA). Cells were fed 2–3 times a week and passaged at confluence prior to use.
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8

Establishing Ba/F3 and U87MG Cell Lines

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Ba/F3 cells were purchased from DSMZ (Braunschweig, Germany) and maintained in RPMI1640 medium (Life Technologies) supplemented with 10% FBS, 1% l-glutamine, and 10 ng/mL mouse IL3 (R&D Systems). Lack of endogenous murine erbB family member protein expression in mammalian hematopoietic cells (17 (link)) was confirmed in parental Ba/F3 cells (Supplementary Fig. S1). Ba/F3 transformed cells were maintained in the medium with 15-µg/mL blasticidin S HCl (Life Technologies). U87MG cells were purchased from ATCC and maintained in MEM (Life Technologies) supplemented with 10% FBS and 1% l-glutamine. The cell lines were periodically checked for Mycoplasma using MycoAlert Plus Mycoplasma Detection Kit (Lonza).
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9

Umbilical Cord Blood and Peripheral Blood Protocol

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Umbilical cord blood and Peripheral Blood were obtained under CNH IRB-approved protocols Pro0004033, Pro00003896, Pro00009374, and Pro00003869. CB- and PB- derived MNCs were harvested by density gradient separation with Lymphoprep (STEMCELL Technologies). K562 cell line (purchased from ATCC) were cultured with RPMI medium (Thermo Fisher Scientific) supplemented with 10% fetal bovine serum (FBS) (Gibco, Thermo Fisher Scientific), 1% penicillin-streptomycin, and 1% Glutamax (Gibco, Thermo Fisher Scientific). U87 MG cells were purchased from ATCC and were cultured in DMEM:F12 media (1:1) with 10% FBS and 1% Glutamax. All cell lines were tested regularly for mycoplasma contamination.
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10

Culturing Primary Astrocytes and Glioma Cells

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Normal human primary astrocyte cells purchased from Lonza (Cat# CC-2565, Walkersville, MD) in 2012 were used in the experiments. Cells arrived as passage 3 and were cultured in AGM BulletKit astrocyte growth medium (Lonza Cat# CC-3186). U87MG cells (ATCC, Manassas, VA) was obtained in 2012 from the Tissue Culture Facility of the Duke Cancer Institute, which validated the cell lines by use of microsatellite analysis. U87MG and the transformed astrocytes were cultured in DMEM medium plus 10% FBS. In some experiments, the transformed cells were also culture in neurosphere growth medium. A patient-derived glioma stem cell line ALPS1459, which was derived from a patient at Duke University Medical Center, was obtained in 2012. It was cultured in neural stem cell growth medium: DMEM/F12 supplemented with non–essential amino acid, glutamine, B-27 supplement without vitamin A, 0.2% heparin, 20 ng/ml EGF and 25ng/ml b-FGF.
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