نتایج جستجو برای: cho cell
تعداد نتایج: 1692099 فیلتر نتایج به سال:
Introduction Chinese hamster ovary (CHO) cells [1] are today a very important host for the commercial-scale production of protein pharmaceuticals. Two sub clones of CHO cells, proline-requiring CHO K1 [2] and the dihydrofolate reductase (DHFR) gene-deficient CHO DG44 [3], are the most widely used for both scientific research and industrial applications [4][5,6]. Previously, we constructed a gen...
We have used the technique of somatic cell hybridization to study the regulation of the neutral amino acid transport system L in Chinese hamster ovary (CHO) cells. The cell line CHO-ts025C1 has a temperature-sensitive mutation in leucyl-tRNA synthetase. At the nonpermissive temperature of 39 degrees C, CHO-ts025C1 cells are unable to charge leucyl-tRNA and behave as though starved for leucine b...
Background: The demand for producing recombinant therapeutic proteins by mammalian cell lines, such as Chinese hamster ovary (CHO) cells, continues to grow. Significant achievements in process optimization including development of cell culture strategies for largescale and cost-effective production have been made. Fetal bovine serum (FBS) is an often essential growth supplement and yet most cos...
Chinese hamster ovarian cells (CHO) cells have been extensively utilized for industrial production of biopharmaceutical products, such as monoclonal antibodies, human growth hormones, cytokines, and blood-products. Recent advances in recombinant DNA technology have resulted in the bioengineering of CHO cells that have robust gene amplification systems and can also be adapted to grow in suspensi...
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...
background: cd52 is a small glycoprotein with a gpi anchor at its c-terminus. cd52 is expressed by normal and malignant t and b lymphocytes and monocytes. there are detectable amounts of soluble cd52 in plasma of patients with cll and could be used as a tumor marker. although the biological function of cd52 is unknown but it seems that cd52 may be involved in migration and activation of t-cells...
Microspore cell death and low green plant production efficiency are an integral obstacle in the development of doubled haploid production in wheat. The aim of the current study was to determine the effect of anti-apoptotic recombinant human B-cell lymphoma-2 (Bcl-2△21) and caspase-3-inhibitor (Ac-DEVD-CHO) in microspore cell death in bread wheat cultivars AC Fielder and AC Andrew. Induction med...
Background The use of biopharmaceutical products that comprise therapeutic antibodies are increasing in the pharmaceutical industry. Chinese hamster ovary (CHO) cell lines are widely used in the field of pharmaceutical industry to produce therapeutic antibodies. CHO DG44 cell line is a dihydrofolate reductase (DHFR)-deficient line, which is frequently used as a host cell while applying the gene...
background: transient gene expression (tge) gained popularity over the last decade as a rapid method for the production of milligram to gram quantities of recombinant proteins for preclinical studies in biophama industry. thereby, the optimization of the tge technique for chinese hamster ovary (cho) as the dominant host for the production of biotherapeutics is of great interest to reach the val...
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