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Accession IconGSE24783

Gene profiling of the cell death induced by heat stress in HSC-3 human oral squamous carcinoma cells

Organism Icon Homo sapiens
Sample Icon 5 Downloadable Samples
Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

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Description
Hyperthermia is widely used to treat patients with various cancers. The 42.5C is well known as inflection point of hyperthermia and generally up to 42C of hyperthermia is used in clinical case to combine with other therapy. Here, the effects of heat stress at 42 or 44C for 90 min on the gene expression in HSC-3 human oral squamous carcinoma cells were investigated using an Affymetrix GeneChip system. The cells were treated with heat stress (42 or 44C for 90 min) and followed by incubation for 0, 6, or 12 h at 37C. The percentage of cell death was 5.0 1.5 (mean SD) at 42C for 12 h and 17.4 0.6 at 44C for 12 h. Of approximately 47,000 probe sets analyzed, many genes that were differentially expressed by a factor 2.0 or greater were identified in the cells treated with heat stress at 42 and 44C.
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