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题目:: Transcription profiling of human leukemia U937 cells response to mild hypothermia
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状态:: 发布时间June 11, 2008 , 更新时间 May 1, 2014 , 提交时间 Dec. 28, 2007,
物种:: Homo sapiens
摘要:: The rationale underlying hyperthermia is the fact that temperatures over 42.5˚C are highly cytotoxic to tumor cells. On the other hand, although mild hyperthermia at a range from 39 to 41˚C alone did not induce cytotoxicity in tumor cells, mild hyperthermia is reported to show a synergism with radiotherapy and anti-cancer drugs. Here, the effects of mild hyperthermia (41˚C for 30 min) on the gene expression in human lymphoma U937 cells were investigated using by an Affymetrix GeneChip system. Although the cells treated with the mild hyperthermia did not induce apoptosis, a significant increase in protein levels of heat shock proteins, Hsp40 and Hsp70, was observed following activation of heat shock factor-1. At 3 h post-treatment, 938 probe sets that were differentially expressed by >1.5-fold were identified. Experiment Overall Design: U937 cells, a human lymphoma cell line, were treated with mild hyperthermia (41˚C for 30 min) and followed by incubation for 3 h at 37°C. Non-treated cells were served as control. Total RNA samples were prepared from the cells. Gene expression was analyzed by an Affymetrix GeneChip® system with Human Expression Array U133A which was spotted with 22,283 probe sets. Sample preparation for array hybridization was carried out as described in the manufacture’s instructions.
实验种类:: transcription profiling by array
样本量:: 4
实验设计:
: 无设计数据
数据号:: E-GEOD-10043, GSE10043
数据状态:: 无法自动分析，您可以尝试手动分析数据。

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