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2 protocols using primary human umbilical vein endothelial cells huvecs

1

Exploring VEGFR-2 and Integrin Signaling in HUVECs

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Primary human umbilical vein endothelial cells (HUVECs) were purchased from Cascade Biologics. FN, MGO and su6656 were obtained from Sigma. Recombinant VEGF‐A, recombinant RAGE, recombinant human integrin α5β1 protein, RAGE function‐blocking antibody, biotinylated anti‐RAGE antibody, biotinylated anti‐integrin β1 antibody, streptavidin‐HRP conjugate and HRP substrate were from R&D Systems. Growth‐factor‐reduced Matrigel Matrix was from BD Biosciences. Antibodies to phosphorylated VEGFR‐2, total VEGFR‐2, phosphorylated Akt, total Akt, phosphorylated extracellular regulated protein kinases 1/2 (ERK1/2), total ERK1/2, phosphorylated nuclear factor‐κB (NF‐κB), total NF‐κB and CD31 were from Cell Signaling Technology. Antibodies to FN and AGEs were from Abcam. Antibodies to RAGE and c‐Src were from Santa Cruz Biotechnology. Pierce classic IP kit was from Thermo Scientific.
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2

HUVEC Inflammatory Response Modulation

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Primary human umbilical vein endothelial cells (HUVECs) and Medium 200 were purchased from Cascade Biologics (Portland, OR, USA). STS (purity ≥98%) was from National Institutes for Food and Drug Control (Beijing, China).
LPS was purchased from Sigma (St Louis, MO, USA). Antibodies to TNF-α, IL-1β, phosphorylated NF-κB p65, total NF-κB p65, phosphorylated IκBα, total IκBα and GAPDH were form Cell Signaling Technology (Beverly, MA, USA).
Fluorescein isothiocyanate (FITC)-conjugated anti-rabbit IgG was obtained from Molecular Probes (Eugene, OR, USA). Human IL-1β and TNF-α D r a f t enzyme-linked immunosorbent assay (ELISA) kits were from R&D Systems (Minneapolis, MN, USA). Cell Counting Kit 8 (CCK8) solution and NF-κB inhibitor, BAY11-7082 were from Beyotime (Shanghai, China). STS was dissolved in phosphate buffer saline (PBS) to obtain a 1 mg/mL stock solution.
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