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4 protocols using pcs 100 011

1

Endothelial Cell Culture and Characterization

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Human ECs were purchased from different vendors to capture a broad spectrum of sampling. Specifically, we obtained HUVECs (C2519A; Lonza; C-12203; PromoCell), HSaVECs (HSVEC/A; VEC-Technologies; cAP-0019; Angio-Proteomie), HAECs (PCS-100-011; ATCC; 6100; ScienCell), HIAECs (CC-2545; Lonza; cAP-0020; Angio-Proteomie), HBMVECs (ACBRI 376 V; Cell-Systems; cAP-0002; Angio-Proteomie), HUMVECs (C-12295; PromoCell; 7000; ScienCell), HLMVECs (3000; ScienCell; C-12281; PromoCell), HAMVECs (7200; ScienCell), and HDMECs (C-12212; PromoCell; 2000; ScienCell). All types of ECs were cultured in EGM-2 endothelial growth medium (CC-3162; Lonza) supplemented with 5% FBS (Omega Scientific) and were maintained at 37°C with 5% CO2. Similar EC passages 4–6 were used for final experiments. Human dermal fibroblasts were a gift from W. Lowry (University of California, Los Angeles, Los Angeles, CA), expanded in DMEM supplemented with 10% FBS, and cultured in EMG-2 medium over 48 h before RNA expression experiments. Brightfield images were acquired by using an Axiovert 200M inverted microscope (Zeiss).
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2

Culturing Primary Endothelial Cells

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HUVECs (VEC Technologies #HUVEC/T-75 Flask), HAECs (Lonza #CC-2535 and ATCC # PCS-100–011), and BAECs (isolated from bovine aortas) were cultured in complete MCDB-131 medium (VEC Technologies; MCDB131-WOFBS) with 10% fetal bovine serum (Omega Scientific #FB-11). All primary endothelial cells were checked for mycoplasma and cultured on gelatin (Fisher Scientific # NC9369923) coated dishes in humidified incubator at 37 °C and 5% CO2 and used between passages 4 and 9.
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3

In Vitro Cytotoxicity Assay on Endothelial Cells

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Two different cell lines, C57BL/6 mouse primary aortic endothelial Cells (Cellbiologics, USA) and human aortic endothelial cells (ATCC®, USA), were used for in vitro cytotoxicity testing. C57BL/6 mouse primary aortic endothelial Cells were purchased at Cellbiologics (C57-6052, Lot#M111718W10, Chicago, Illinois, USA) and human aortic endothelial cells were purchased by ATCC® (PCS-100-011, Lot#64408088, Manassas, Virginia, USA).
The cells grew up in T25 and T75 tissue culture flasks (Falcon™) with endothelial cell medium, which was supplemented with endothelial Cell Medium supplement Kit (0.5 mL VEGF, 0.5 mL ECGS, 0.5 mL heparin, 0.5 mL EGF, 0.5 mL hydrocortisone, 5.0 mL L-glutamine, 5.0 mL antibiotic-antimycotic solution and 25.0 mL FBS; Cellbiologics, USA). When cells were confluent, they were seeded in 6-well tissue culture plates or 96-well tissue culture plates. If cells were 80% confluent, they were used for experiments.
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4

HAEC Knockdown and Overexpression Assay

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Primary HAECs (#PCS-100-011, ATCC) were purchased and maintained in MCDB 131 medium supplemented with 10% fetal bovine serum (FBS), 2 mmol/L glutamax, 10 U/mL penicillin, 100 μg/ml streptomycin (GIBCO/Life Technologies), 30 μg/ml heparin sodium, and bovine brain extract (25 μg/ml). For Ng knockdown and overexpression, HAECs at 70% confluency were transfected with siRNA (20 pmol, #s9723, Thermo Fisher) or plasmid DNA vector targeting Ng overexpression with an HA tag (2 μmol, VectorBuilder ID #VB211018-1249cnr), respectively, using Lipofectamine RNAiMAX (#13778150, Thermo Fisher) for 8 h. Cells were then switched to growth media and experiments performed 24 h later. When applicable, before experiments, transfected cells were treated with 1 nmol MitoEbselen-2 (#564356, MedKoo Biosciences) in reduced-serum media for 30 min.
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