Zhanyou Yun

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The effects of antioxidants on the apoptosis of Chinese hamster ovary (CHO) 1-15,500 cells and production of tissue plasminogen activator (tPA) in suspension culture were investigated. After cell growth to 2 x 10(5) cells/ml in Ham's F12 medium containing 10% newborn bovine serum (NBS) in a spinner bottle, CHO cells were maintained for 6 d in Ham's F12(More)
The combined addition of reduced form of glutathione (GSH) and iron chelators for decrease of the intracellular level of reactive oxygen species (ROSs) and death of Chinese hamster ovary (CHO) cells was investigated. The addition of GSH to the serum-free cultures of CHO cells markedly lowered the intracellular ROS level, which effect was comparable to that(More)
Repeated addition of insulin, together with an initial addition of the reduced form of glutathione (GSH) and a chelator, aurintricarboxylic acid (ATA), was proposed as a strategy for the dynamic control of apoptosis in serum-free culture of Chinese hamster ovary (CHO) cells. Insulin suppressed cell death in serum-free culture by means of lowering(More)
The aim of this study was to determine the therapeutic efficacy of lactoferrin (Lf) on dextran sulphate sodium (DSS)‑induced experimental colitis in BALB/c mice. Eighty BALB/c mice were randomly divided into 4 groups; the normal, model, apo‑Lf and holo‑Lf groups. Fecal character, fecal occult blood, hematochezia and disease activity index (DAI) were(More)
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