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83 protocols using streptomycin

1

Cell Culture and Compound Screening

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HCT116 p53+/+ and HCT116 p53−/− cells were cultured in Dulbecco's modified Eagle medium (DMEM, Corning) supplemented with 10% fetal bovine serum (FBS, Gemini Bio-Products), 100 units/mL of penicillin, and 100 µg/mL of streptomycin (Gemini Bio-Products). These cells have been generated previously42 (link). EB3, SUPT1, DB (purchased from ATTC) and DOHH2 (purchased from DSMZ) lymphoma cell lines were cultured in RPMI 1640 medium (Corning) with 10% FBS, 100 units/mL of penicillin, and 100 µg/mL of streptomycin (Gemini Bio-Products). CA46 (purchased from ATTC) and LY3 (purchased from DSMZ) cells were cultured in RPMI medium with 20% FBS. All cells were cultured at 37°C with 5% CO2. All cells were routinely tested for mycoplasma contamination using MycoAlert™ Mycoplasma Detection Kit (Lonza). L-DON, BPTES and camptothecin were purchased from Sigma. Docetaxel was purchased from Selleckchem, and Compound 968 was purchased from Calbiochem.
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2

CRISPR-Cas9 Knockout of Orai and STIM Proteins

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A majority of the experiments were carried out on HEK293 cells, referred to in this manuscript as “HEK.” HEK-Orai1/2/3TKOand HEK-STIM1/2DKO lines cells were generated using the CRISPR-Cas9 nickase system (Yoast et al., 2020 (link); Zhou et al., 2018a (link)), and cultured in DMEM (Corning Cellgro) supplemented with 10% fetal bovine serum, plasmocin (InvivoGen), penicillin and streptomycin (Gemini Bioproducts) at 37°C with 5% CO2. Additional physiological experiments were performed on HeLa cells stably expressing GFP-NFAT1 (HeLa-GFP-NFAT1 cells) that were developed earlier (Zhou et al., 2016 (link)), and cultured in the same medium as above, supplemented with G418 (Corning, 100 mg/ml). Further supplemental experiments were carried out on Jurkat T cell lines, which were cultured in RPMI 1640 (Corning Cellgro) supplemented with 10% fetal bovine serum, plasmocin (InvivoGen), penicillin and streptomycin (Gemini Bioproducts) at 37°C with 5% CO2.
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3

Transduction of CD34+ Hematopoietic Stem Cells

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PB CD34+ samples were obtained from healthy donors from plerixafor and G-CSF mobilization. Cells were thawed and plated at 1 × 106 cells/mL on non-tissue culture-treated 96-well plates pre-coated with retronectin (20 μg/mL; Takara Shuzo). Cells were pre-stimulated for 24 h in X-Vivo 15 medium (Lonza) supplemented with 1× glutamine, penicillin, and streptomycin (Gemini Bio-Products), human Flt-3 ligand (50 ng/mL), human SCF (50 ng/mL), human TPO (50 ng/mL), and human IL-3 (20 ng/mL) (cytokines: PeproTech). CD34+ cells were transduced with concentrated viral supernatants at transduction concentrations of 2 × 105 TU/mL, 6 × 105 TU/mL, 2 × 106 TU/mL, and 6 × 106 TU/mL with transduction enhancer Poloxamer 338 (1 mg/mL) (BASF, Ludwigshafen, Germany). At 24 h after transduction, cells were washed and plated under myeloid culture conditions. Cells were cultured for 2 weeks after transduction in basal bone marrow media consisting of Iscove-modified Dulbecco’s medium (Lonza) 1× glutamine, penicillin, and streptomycin (Gemini Bio-Products), 20% fetal bovine serum, and 0.52% BSA (Sigma-Aldrich) supplemented with human SCF (25 ng/mL), human IL-3 (5 ng/mL), and human IL-6 (10 ng/mL).
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4

Cell Culture and Compound Screening

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HCT116 p53+/+ and HCT116 p53−/− cells were cultured in Dulbecco's modified Eagle medium (DMEM, Corning) supplemented with 10% fetal bovine serum (FBS, Gemini Bio-Products), 100 units/mL of penicillin, and 100 µg/mL of streptomycin (Gemini Bio-Products). These cells have been generated previously42 (link). EB3, SUPT1, DB (purchased from ATTC) and DOHH2 (purchased from DSMZ) lymphoma cell lines were cultured in RPMI 1640 medium (Corning) with 10% FBS, 100 units/mL of penicillin, and 100 µg/mL of streptomycin (Gemini Bio-Products). CA46 (purchased from ATTC) and LY3 (purchased from DSMZ) cells were cultured in RPMI medium with 20% FBS. All cells were cultured at 37°C with 5% CO2. All cells were routinely tested for mycoplasma contamination using MycoAlert™ Mycoplasma Detection Kit (Lonza). L-DON, BPTES and camptothecin were purchased from Sigma. Docetaxel was purchased from Selleckchem, and Compound 968 was purchased from Calbiochem.
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5

CRISPR-Cas9 Knockout of Orai and STIM Proteins

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A majority of the experiments were carried out on HEK293 cells, referred to in this manuscript as “HEK.” HEK-Orai1/2/3TKOand HEK-STIM1/2DKO lines cells were generated using the CRISPR-Cas9 nickase system (Yoast et al., 2020 (link); Zhou et al., 2018a (link)), and cultured in DMEM (Corning Cellgro) supplemented with 10% fetal bovine serum, plasmocin (InvivoGen), penicillin and streptomycin (Gemini Bioproducts) at 37°C with 5% CO2. Additional physiological experiments were performed on HeLa cells stably expressing GFP-NFAT1 (HeLa-GFP-NFAT1 cells) that were developed earlier (Zhou et al., 2016 (link)), and cultured in the same medium as above, supplemented with G418 (Corning, 100 mg/ml). Further supplemental experiments were carried out on Jurkat T cell lines, which were cultured in RPMI 1640 (Corning Cellgro) supplemented with 10% fetal bovine serum, plasmocin (InvivoGen), penicillin and streptomycin (Gemini Bioproducts) at 37°C with 5% CO2.
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6

Culturing NIH/3T3 and HEK293T Cell Lines

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Flp-In-3T3 (a derivative of NIH/3T3 cells and referred to as “NIH/3T3” cells throughout the text) and HEK293T cell lines were purchased from Thermo Fisher Scientific and ATCC, respectively. Information on the gender of the cell lines is not available. NIH/3T3 and HEK293T cells were cultured in Complete Medium: Dulbecco’s Modified Eagle Medium (DMEM) containing high glucose (Thermo Fisher Scientific, Gibco) and supplemented with 10% fetal bovine serum (FBS) (MilliporeSigma), 2 mM L-Glutamine (Gemini Bio-Products), 1 mM sodium pyruvate (Thermo Fisher Scientific, Gibco), 1x MEM non-essential amino acids solution (Thermo Fisher Scientific, Gibco), and penicillin (40 U/ml) and streptomycin (40 μg/ml) (Gemini Bio-Products). The NIH/3T3 and HEK293T cells were passaged with 0.05% Trypsin/EDTA (Gemini Bio-Products). All cells were housed at 37 °C in a humidified atmosphere containing 5% CO2. Cell lines and derivatives were free of mycoplasma contamination as determined by PCR using the Universal Mycoplasma Detection Kit (ATCC).
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7

Characterization of Cytokine-Producing T Cells

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Human PBMCs were rested overnight at 37°C in RPMI 1640 medium (catalog# RP-21, Omega Scientific, Inc.) supplemented with 5% human serum (catalog# 100–512, Gemini Bio-Products), 2 mM L-alanyl-L-glutamine (GlutaMAX-I, catalog# 35050061, Thermo Fisher Scientific), 100 U/ml penicillin, and 100 μg/ml streptomycin (catalog# 400–109, Gemini Bio-Products) and subsequently stimulated with DENV MP (1 μg/ml for individual peptides) or Dynabeads Human T-Activator CD3/CD28 for T Cell Expansion and Activation (catalog# 11132D, Thermo Fisher Scientific) for 3 h at 37°C. IFN-γ- and IL-10-producing cells were labeled using IFN-γ Secretion Assay - Detection Kit (PE), human (catalog# 130–054-202, Miltenyi Biotech) and IL-10 Secretion Assay – Detection Kit (APC), human (catalog# 130–090-761, Miltenyi Biotech), respectively, according to the manufacturer’s instructions. Subsequently, PBMCs were stained with anti-human CD3, CD4, CD8, CD14, CD19, CD45RA, and CCR7 (see Table S4 for antibody details). CD4 IL-10IFN-γ DN, IL-10+IFN-γ IL-10 SP and IL-10IFN-γ+ IFN-γ SP, and IL-10+IFN-γ+ DP cells were sorted using a FACSAria II cell sorter. Data were analyzed using FlowJo.
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8

Cell Culture Conditions and Maintenance

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NIH-3T3 and HEK293T cells were grown in high glucose, pyruvate-supplemented DMEM (Gibco) with 10% fetal bovine serum (FBS), 2 mM glutamine, 10 U/ml penicillin and 10 μg/ml streptomycin (Gemini Bio-Products). NIH-3T3 FlpIn cells (gift from R. Rohatgi) were grown in the same medium supplemented with non-essential amino acids (Gibco). Light-II NIH-3T3 cells24 (link) were grown in the same medium except with 10% bovine calf serum (ATCC), and IMCD3 cells were grown in DMEM/F12 medium (Gibco) with FBS, glutamine, penicillin and streptomycin additives. Serum starvation was done using medium with 0.5% FBS for NIH-3T3 cells, 0.5% calf serum for Light-II NIH-3T3 cells, and 0.2% FBS for IMCD3 cells. IMCD3 FlpIn cells were provided by Peter Jackson. NIH-3T3 cells were obtained from ATCC. HEK239T-EcR-ShhN cells were provided by Philip Beachy. Cells were confirmed to be mycoplasma free with the MycoAlert system (Lonza).
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9

Quantifying Nucleic Acid Content

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The Quant-iT ™ Picogreen ® assay kit and the Presto Blue kit were from Life Technologies (Carlsbad, US).
Bovine serum, L-glutamine, penicillin and streptomycin were from Gemini Bio-Products (Sera Laboratories International, Bolney, UK). All other reagents were purchased from Sigma-Aldrich (Poole, UK).
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10

Cell Line Characterization and Maintenance

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J774A.1 murine monocytic cell line was acquired in 1997 as a gift from Dr. Stephen A. Stohlman (Cleveland Clinic Foundation, Cleveland, OH). B16-F10 melanoma and Colon 26 adenocarcinoma were acquired in 1988 and 1999, respectively, from ATCC (Manassas, VA). All cell lines were grown in RPMI-1640 supplemented with 10% fetal bovine serum (Hyclone, Logan, UT), non-essential amino acids, penicillin G and streptomycin (Gemini Bio-Products, West Sacramento, CA). Cell lines were authenticated by STR DNA profiling by DDC Medical (Fairfield, OH) in 2015.
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