نتایج جستجو برای: Chinese hamster ovary (CHO) cell
تعداد نتایج: 1846101 فیلتر نتایج به سال:
Chinese hamster ovary (CHO) cells are considered as the most commonly used host for industrial manufacturing of therapeutic proteins. The aim of this study was to evaluate the minimum inhibitory concentration (MIC) of hygromycin B in both CHO-DG44 and CHO-S cells since hygromycin B resistance cassette can be used for future selection of gene expression in CHO cells. The minimum inhibitory conce...
Background: The critical role of interleukin-7 (IL-7) in homeostatic proliferation and T cell survival has made it a promising cytokine for the treatment of various clinical conditions, especially those associated with lymphopenia. Methods: In the present study we expressed recombinant human interleukin-7 (rhIL-7) in Chinese hamster ovary (CHO)-K1 cells. CHO-K1 cells were stably transfected ...
background: the critical role of interleukin-7 (il-7) in homeostatic proliferation and t cell survival has made it a promising cytokine for the treatment of various clinical conditions, especially those associated with lymphopenia. methods: in the present study we expressed recombinant human interleukin-7 (rhil-7) in chinese hamster ovary (cho)-k1 cells. cho-k1 cells were stably transfected wit...
background: luteinizing hormone (lh) was secreted by the stimulating cells of the testes and ovaries in the anterior pituitary gland. the application of this hormone is in the treatment of men and women with infertility and amenorrhea respectively. m aterials and methods: in the present study the alpha and beta subunits of human lh gene were cloned into the pegfp-n1 expression vector and produc...
Chinese hamster ovary (CHO) cells, first isolated in 1957, are the preferred production host for many therapeutic proteins. Although genetic heterogeneity among CHO cell lines has been well documented, a systematic, nucleotide-resolution characterization of their genotypic differences has been stymied by the lack of a unifying genomic resource for CHO cells. Here we report a 2.4-Gb draft genome...
cell lines derived from mammalian are dominant systems for the production of recombinant therapeutic proteins because of their capacity for correct protein folding, assembly and post-translational modification. in the search of an efficient method for the production of a recombinant protein using animal cell culture, we investigated the effects of different treatment including fetal calf serum...
objective: development of high producing mammalian cell lines is a major bottleneck in manufacturing of recombinant therapeutic proteins. this study examines the effect of using the matrix attachment region from the human interferon beta gene in combination with promoter activation strategy with e1a 13s protein on human tissue plasminogen activator (t-pa) expression in chinese hamster ovary (ch...
The effect of 26-hydroxycholesteroI and other intermediates in bile acid synthesis on HMG-CoA reductase activity was studied in Chinese hamster ovary (CHO) cell culture. Incubation of CHO cells for 5 hr in 0.25 PM 26-hydroxycholesterol caused a 40% inhibition of HMG-CoA reductase activity. All other intermediates tested including 3B-hydroxy-5cholenoic acid and cholest-5-ene-3B,7a,26-triol, oxid...
We present the first implementation of the Cho–Faddeev–Niemi decomposition of the SU(2) Yang-Mills field on a lattice. Our construction retains the color symmetry (global SU(2) gauge invariance) even after a new type of Maximally Abelian gauge, as explicitly demonstrated by numerical simulations. Moreover, we propose a gauge-invariant definition of the magnetic monopole current using this formu...
the optimization of cell culture conditions for growth and productivity of recombinant chinese hamster ovary (cho) cells is a critical step in biopharmaceutical manufacturing. in the present study, the effects of the timing and amount of peptone feeding of a recombinant cho cell line grown in a basal medium in serum-free suspension culture were determined for eight peptones of different origin ...
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