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4 protocols using complete rpmi 1640 medium

1

Culturing Leishmania Parasites and Macrophages

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L. infantum (zymodeme GH8, strain MHOM/GR/2001/GH8) and L. major (zymodeme LV39, strain MRHO/SU/59/P) parasites, causative agents of visceral and cutaneous leishmaniasis, respectively, were used in this study. Promastigotes were grown at 26 °C in complete RPMI-1640 medium (PAN-Biotech, Aidenbach, Passau, Germany) in cell culture flasks (SPL Life Sciences, Naechon-Myeon, Pocheon-si, Korea), as previously reported [48 (link)].
The immortalized macrophage cell line J774A.1 (ATCC No: TIB-67) was cultured in 25 cm2 cell culture flasks (ThermoFisher Scientific, Waltham, MA, USA), at 37 °C with a 5% CO2 environment [48 (link)].
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2

Antiproliferative Evaluation of Bran Extracts

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The antiproliferative activity of bran extracts was tested on four cell lines—three of them are human cancer cells and one is the normal cell line. MCF-7 and T47D are human epithelial breast cancer cell lines, while MDA-MB-231 is human hormone-independent breast cancer cells. EMT6/P and fibroblast are the mouse epithelial breast cancer cell line and human skin fibroblast cells, respectively. To achieve a successful cell culture, many factors were followed such as using completed medium and incubating cells in 5% CO2 at 37 °C. Based on the type of the cells, the type of culturing medium varied. For MCF-7 and T47D, complete RPMI 1640 medium (PAN-biotech, Aidenbach, Germany) was used, while complete MEM medium (PAN-biotech, Aidenbach, Germany) was used for culturing EMT6/P. High-glucose DMEM medium (PAN-biotech, Aidenbach, Germany) was utilized for MDA-MB-231 and fibroblast cell lines. In this context, a complete culture medium was prepared through adding the following supplements with the required percentage of each type of tissue culture medium. The supplements are: 1% L-glutamine (Sigma, St. Louis, MO, USA), 10% fetal bovine serum (Gibco, Brough, UK), 1% penicillin-streptomycin (Sigma, St. Louis, MO, USA), 0.1% non-essential amino acids (Sigma, St. Louis, MO, USA) and 0.1% gentamycin solution (Sigma, St. Louis, MO, USA).
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Propagation of Trypanosoma cruzi Tulahuen

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In vivo passage of T. cruzi Tulahuen strain was achieved by i.p. inoculation of mice with 5 x 105 bloodstream trypomastigotes resuspended in 200 μL of DPBS. Periodic passages took place every 15 days. For in vitro experiments, cell culture-derived T. cruzi trypomastigotes were obtained from the supernatant of infected 86Hg39 cells (BNITM) maintained in complete RPMI 1640 medium (PAN-BIOTECH) supplemented with 10 % of fetal calf serum (PAN-BIOTECH), 1 % L-Glutamine (PAN-BIOTECH), and 0.5 %, Gentamycin sulfate (PAA) at 37 °C and 95 % CO2 after 3-4 days post-infection.
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4

Cellular Immune Response Evaluation by ELISPOT

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Cellular immune responses were evaluated by ELISPOT assay, as described previously, with a few modifications [32 (link)]. Briefly, ELISPOT plates (BD Bioscience, USA) were coated with monoclonal anti-mouse interferon-gamma (IFN-γ) and interleukin-4 (IL-4) capture antibodies diluted in sterile PBS (5 μg/mL) and incubated at 4 °C overnight. Then, the coating antibody was discarded and blocked with complete RPMI 1640 medium (PAN Biotech, Bayern, Germany) with 10% fetal bovine serum (PAN Biotech, Bayern, Germany) and 1% Antibiotic-Antimycotic (Glibco, Burlington, MA, USA) for 2 h at RT. Freshly isolated splenocytes were seeded at a density of 1 × 106 cells/well. Cells were stimulated with purified proteins, epitope-specific peptides (10 μg/well), or phytohemagglutinin as a positive control (Gibco, Burlington, MA, USA), or only medium maintain as a negative control. Next, plates were incubated for 48 h at 37 °C with 5% CO2. Then, cells were discarded from the plates and sequentially treated with biotinylated anti-mouse IFN-γ and IL-4 antibodies, stereptavidin HRP, and substrate solution. The substrate reaction was terminated by washing with deionized water and dried in the dark at RT. Finally, Spots were enumerated by CTL-Immunospot S5 UV analyzer (Cellular technologies, Shaker Heights, OH, USA).
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