نتایج جستجو برای: 7 cell
تعداد نتایج: 2215772 فیلتر نتایج به سال:
Objective- The studies have been shown that aspirin, an anti-inflammatory agent, could reduce occurrence of different cancers. The aim of the present study was to evaluate pharmacological effective concentrations of aspirin with/without radiotherapy on growth rate of MCF-7 breast cancer cell line Design- Experimental Study Animals- The MCF-7 breast cancer cell line from rats P...
Introduction: Stem cell biology has been the subject of much recent discussion. Embryonic stem (ES) cells, derived from the inner cell mass of the blastocyst stage of early mammalian embryos are expected to become a powerful tool in future regenerative medicine and developmental biology due to their capacity of self-renewal and pluripotency. In the present study, the ultrastructural development...
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 ...
introduction: the aim of this study was to determine a proper cell line for adherance of helicobacter pylori and a suitable method for attachment of this bacteria to cell lines in vitro. material and methods: a total of 22 h.pylori strains,isolated from the antral biopsies of 49 patients with dyspepsia,gastritis,gastric ulcer,duodenal ulcer, etc., were evaluated by elisa(upr)to determine the di...
Background and objectives: Electric, magnetic and electromagnetic fields can act as stress factors with different effects on biological systems. Due to the nutritional and medicinal values, and the increasing electromagnetic radiations, the present study was performed to investigate the effects of the electromagnetic field on the developmental stages and cytotoxic properties of...
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