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L glutamine and sodium pyruvate

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L-Glutamine and sodium pyruvate are commonly used compounds in cell culture media. L-Glutamine is an amino acid that serves as an energy source for cells, while sodium pyruvate is a salt of pyruvic acid that can also be utilized as an energy source. These compounds are essential for maintaining the viability and growth of various cell lines in laboratory settings.

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3 protocols using l glutamine and sodium pyruvate

1

Cell Culture Protocols for THP1, HEK293, and HEK293-RyR2

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THP1 cells were purchased from ATCC and cultured in RPMI-1640 media supplemented with l-Glutamine and sodium pyruvate (Sigma R8758) in addition to 10% fetal bovine serum and 1% penicillin/streptomycin in a 5% CO2 incubator. THP1 cells were differentiated using 100 ng/mL PMA (Sigma P1585) for 48 h. HEK293 and HEK293FT cells were obtained from ATCC and Thermo Fisher, respectively, and cultured using Dulbecco’s modified Eagle’s medium (DMEM) supplemented with 10% fetal bovine serum and 1% penicillin/streptomycin in a 5% CO2 incubator. HEK293-RyR2 cells were provided by Dr. Wayne Chen47 (link). These cells possess doxycycline-inducible RyR2 expression, which enables spontaneous calcium oscillation in response to elevated extracellular calcium via store-overload induced calcium release47 (link),64 (link)–66 (link). Cells were cultured using DMEM supplemented with 10% fetal bovine serum and 1% penicillin/streptomycin in a 5% CO2 incubator. Treatment with doxycycline (1 µg/mL) for 24 h was used to induce RyR expression.
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2

Cell Culture Protocol for MDA-MB-231 and MCF-7

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All the experiments were performed with MDA-MB-231 (ECACC 92020424) and MCF-7 (Sigma-Aldrich, St. Louis, MO, USA, ECACC, #92020424) cells. Cells were cultured in a Dulbecco’s modified Eagle medium (DMEM-High Glucose), with L-glutamine and sodium pyruvate (Sigma-Aldrich, St. Louis, MO, USA), and supplemented with 10% (v/v) of fetal bovine serum (FBS) (Sigma-Aldrich, St. Louis, MO, USA) and 1% (v/v) penicillin-streptomycin (EuroClone Spa, Pero (MI), Italy). Both cell lines and cells seeded on the substrates were cultured in the incubator at 37 °C, 5% CO2.
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3

Antiviral Activity of 1,2,3-Triazole Derivatives

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The 1,2,3-triazole derivatives were diluted at the concentration of 50 mM in dimethylsulfoxide (DMSO) and stored at -20°C. We tested ACV as a reference antiviral drug to compare our data.
These compounds were evaluated in vitro on human fibroblast (HFL1 ATCC ® CCL-153 TM ) cells which were cultivated at 37°C and 5% CO 2, with Dulbecco's Modification of Eagle's medium (DMEM), with 4.5 g/l glucose, l-glutamine and sodium pyruvate (Sigma-Aldrich, Saint Louis, MO, USA), supplemented with 10% fetal bovine serum (Gibco, Carlsbad, CA, USA), and 1% of l-glutamine-penicillin-streptomycin solution (Sigma-Aldrich).
To perform the plaque assay, we used rabbit skin (RS) cells cultivated at 37°C and 5% CO 2 with Minimum Essential Medium Eagle (MEM), with Earle's salts and l-glutamine (Sigma-Aldrich), supplemented with 5% bovine serum (Gibco) and 1% of l-glutamine-penicillin-streptomycin solution (Sigma-Aldrich).
The cells were cultivated until they achieved around 90% of confluence when they were transferred to plates of 24 or 96 wells depending on the assay.
HSV-1 strain 17syn+ was used for the experiments. We also tested the compounds on the ACV-resistant clinical strain HO-1 (kindly provided by the D Phelan, College of Medicine, University of Florida, personal communication). Virus stock cultures were prepared from supernatants of infected cells and stored at -80°C until use.
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