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A549 human lung adenocarcinoma cells

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A549 human lung adenocarcinoma cells are a widely used cell line derived from a human lung adenocarcinoma. They are commonly used in research as a model for studying lung cancer and related cellular processes.

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27 protocols using a549 human lung adenocarcinoma cells

1

Culturing Diverse Human and Rodent Cell Lines

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A549 human lung adenocarcinoma cells, H1299 human non-small cell lung carcinoma cells, HeLa human cervical cancer cells, NT2 human teratocarcinoma cells, and HEK293 human embryonic kidney cells were obtained from ATCC (Rockville, MD, USA) and grown in Dulbecco’s modified Eagles medium (DMEM) supplemented with 10% FBS and penicillin/streptomycin in a humidified atmosphere with 5% CO2. HL-60 human promyelocytic leukemia cells and PC-12 rat pheochromocytoma cells were obtained from ATCC (Rockville, MD, USA) and grown in RPMI-1640 medium supplemented with 10% FBS and penicillin/streptomycin or RPMI-1640 medium supplemented with 10% horse serum, 5% FBS, and penicillin/streptomycin. 3T3-L1 mouse fibroblasts were obtained from the Japanese Collection of Research Bioresource Bank (Tokyo, Japan) and grown in DMEM supplemented with 10% bovine calf serum and penicillin/streptomycin.
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2

Nanoparticle-based Cancer Drug Delivery

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All chemicals were purchased from Sigma-Aldrich (St. Louis, MO, USA) and used as received. Analytical grade organic solvents and all other reagents were purchased from Fisher Scientific (Pittsburgh, PA, USA). Gemcitabine was purchased from LC Laboratories (Woburn, MA, USA). PEG-b-PLA was purchased from Advanced Polymer Materials Inc. (Montreal, Canada): the Mn of PEG and PLA was 4000 and 2200 g/mol, respectively; polydispersity index (PDI) 1.05. A549 human lung adenocarcinoma cells and PANC-1 pancreatic adenocarcinoma cells were purchased from ATCC (Manassas, VA, USA) and cultured in RPMI 1640 medium and Dulbecco’s modified Eagle’s medium (DMEM), respectively, supplemented with 10% fetal bovine serum, 100 IU/mL penicillin, 100 μg/mL streptomycin, and 2 mM L-glutamine in a 5% CO2 incubator at 37 °C. Heparinized Sprague−Dawley rat plasma was purchased from Innovative Research Inc. (Novi, MI, USA).
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3

Culturing Diverse Cell Lines

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HepG2 human liver hepatocellular carcinoma cells, RAW264.7 murine macrophage-like cells, and A549 human lung adenocarcinoma cells were purchased from ATCC. They were cultured at 37 °C and 5% CO2 in RPMI1640, DMEM or F-12 K media, respectively, all supplemented with 10% FBS and 1% penicillin/streptomycin. Media and supplements were purchased from Corning Cellgro (Mediatech, Manassas, VA).
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4

Anticancer Activity of (−)-Gossypol

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(−)-gossypol was a kind gift from Dr. Michael Dowd (U.S. Department of Agriculture, Washington D.C.) Pluronic P85 (P85) was kindly provided by BASF Corp. (Florham Park, NY). A549 human lung adenocarcinoma cells were purchased from ATCC (Manassas, VA). CellTiter-Blue® Cell Viability Assay kit was purchased from Promega (Madison, WI). Crystal violet was purchased from Sigma-Aldrich (St. Louis, MO). All other reagents were obtained from Thermo Fisher Scientific Inc. (Fairlawn, NJ) and were of analytical grade.
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5

Cytotoxicity Assay in A549 Cells

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A549 human lung adenocarcinoma cells with the alveolar type II phenotype were obtained from ATCC (Manassas, VA, USA). Doxorubicin hydrochloride ® powder (Sigma Life Sciences, Ireland) was diluted in1mL sterile water to the required concentration (17.25 mM).
Alamar blue (AB) (10X ready to use solution) and 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide (MTT) were obtained from Sigma Aldrich, Ireland.
For cytotoxicity assays, an AB/MTT solution, 1.5mL of AB and 3 mL of MTT stock solution (2.5mg/mL, 25mg MTT/10mL PBS) in 30mL of fresh medium was prepared prior to the tests.
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6

Cytotoxicity Assay in A549 Cells

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A549 human lung adenocarcinoma cells with the alveolar type II phenotype were obtained from ATCC (Manassas, VA, USA). Doxorubicin hydrochloride ® powder (Sigma Life Sciences, Ireland) was diluted in1mL sterile water to the required concentration (17.25 mM).
Alamar blue (AB) (10X ready to use solution) and 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide (MTT) were obtained from Sigma Aldrich, Ireland.
For cytotoxicity assays, an AB/MTT solution, 1.5mL of AB and 3 mL of MTT stock solution (2.5mg/mL, 25mg MTT/10mL PBS) in 30mL of fresh medium was prepared prior to the tests.
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7

Culturing A549 Lung Cancer Cells

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A549 human lung adenocarcinoma cells were purchased from American Tissue Culture Collection (Manassas, VA, U.S.A.) and maintained in Dulbecco’s modified Eagle medium supplemented with 10% heat-inactivated fetal bovine serum (GIBCO, NY, U.S.A.) at 37°C in a humid 5% CO2 atmosphere. The proteasome inhibitor MG132 (carbobenzoxy-L-leucyl-L-leucyl-L-leucinal) and protein synthesis inhibitor cycloheximide (CHX) were purchased from Calbiochem (Darmstadt, Germany) and Sigma–Aldrich (MO, U.S.A.) respectively. Protein G dynabeads for immunoprecipitation was purchased from ThermoFisher Scientific (MA, U.S.A.). D-luciferin and coelenterazine-h were purchased from Promega (WI, U.S.A.).
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8

TGF-β Modulation in A549 Cells

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A549 human lung adenocarcinoma cells were purchased from American Tissue Culture Collection (USA). They were grown in Dulbecco’s Modified Eagle Medium (DMEM) supplemented with 10% heat-inactivated fetal bovine serum (FBS) (Gibco, USA) at 37°C in a humid 5% CO2 atmosphere. Neutralizing anti-TGF-β antibody (1D11) and human TGF-β1 (R&D Systems, USA) were supplemented into the culture medium at concentrations of 25 μg/ml and 5 ng/ml, respectively. Transfection was performed using the PolyMAG Magnetofection kit (Chemicell GmbH, Germany) according to the manufacturer’s instructions.
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9

Adenovirus Cell Culture Protocol

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A549 human lung adenocarcinoma cells were purchased from the American Type Culture Collection (ATCC) (Manassas, VA, USA), while HEK293 human embryonic kidney cells were purchased from Microbix (Mississauga, ON, Canada). Both cell lines were cultured in Dulbecco’s modified Eagle’s medium (Sigma-Aldrich, St Louis, MO, USA) with 10% fetal bovine serum (FBS) at 37 °C. The Ad5 isolate we used is named Ad5 wt500, and it was derived by plaque purification by our laboratory from a wild-type Ad5 stock purchased from ATCC. A human Ad6 isolate (Tonsil 99; VR-6) was purchased from ATCC and cultured and purified as described previously [33 (link)]. The titer of the virus stocks was determined by plaque assay [33 (link)].
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10

Culture of A549 Lung Cancer Cells

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A549 human lung adenocarcinoma cells were purchased from the American Type Culture Collection (ATCC). Cells were cultured in Dulbecco’s Modified Eagle Medium (Invitrogen Invitrogen, Carlsbad, CA, USA) supplemented with 10% fetal bovine serum (FBS, Sigma–Aldrich, St. Louis, MO, USA) and 1% penicillin-streptomycin (Invitrogen) under a humidified environment with 5% CO2 at 37 °C.
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