نتایج جستجو برای: cell growth
تعداد نتایج: 2278748 فیلتر نتایج به سال:
Background: Mammalian Cell lines are the main expression system for the production of recombinant therapeutic proteins. Optimization of cell culture condition is performed via alteration in different parameter. Cell culture media plays an important role in cell cycle because of compounds such as amino acids, vitamins, inorganic salts, glucose, and serum as a source of growth factors, trace elem...
A Sigma factor gene which is important in the global regulation of heat shock responses in prokaryotes, rpoH, was isolated from Flexibacter chinesis by PCR, sequenced and compared to the rpoH genes of a variety of other organisms. The rpoH gene was 98% similar to other previously characterized genes. A mutant of rpoH was produced (JR102) which had a reduced growth rate at both low and high temp...
Background and Aim: Tumor angiogenesis is essential for tumor growth and appears to play an importating role both in invasive growth and metastasis. Basal cell carcinomas (BCCs) and squamous cell carcinomas (SCCs) of the skin are derived from a similar cell type but differ in the invasive and metastatic potential. Basal cell carcinoma generally shows a relatively benign course in contrast to sq...
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...
background: bleomycin (blm) is an anti-cancer drug widely used in the treatment of cancer. blm causes several side effects related to dna and cellular damage. the aim of this study was investigated the effects of tea polyphenol epicatechin on anti-proliferative effects induced by bleomycin in human normal skin and human ovarian cancer cells.materials and methods: human ovarian cancer cell (skov...
Objective(s): Circular RNAs (circRNAs), a new class of non-coding RNAs, have emerged as important regulators during tumorigenesis. However, the functions of circRNAs have not been completely clarified in the progression of cancers. In our study, a novel circRNA hsa_circ_0109291 was investigated in oral squamous cell carcinoma (OSCC) tissues and cell lines. Materials and Methods: The expression ...
Despite the progress in cancer therapies such as chemotherapy and radiation, its eradication remains as unattainable dream for the patients and doctors. Recently, using supplementary agents such as herbal medicine with fewer side effects seems efficient and attractive. Therefore, the purpose of the present study is to investigate if the ethanolic extract of P.oleracea has cytotoxicity and apopt...
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