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Identification of differentially expressed genes involved in the enhancement of mild hyperthermia sensitivity by chroloquine in HSC-3 human oral squamous cell carcinoma cells.

ABSTRACT: Identification of differentially expressed genes involved in the enhancement of mild hyperthermia sensitivity by chroloquine in HSC-3 human oral squamous cell carcinoma cells.

PROVIDER: PRJNA1253538 | ENA |

REPOSITORIES: ENA

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Identification of differentially expressed genes involved in the enhancement of mild hyperthermia sensitivity by chroloquine in HSC-3 human oral squamous cell carcinoma cells.

Project description:Hyperthermia (HT) is an effective treatment for cancer. When combined with chemotherapy, radiotherapy, or both, HT is expected to show high therapeutic efficacy against various tumors. Chloroquine (CQ), a clinically used treatment for malaria, has been found to inhibit autophagy. CQ has also been reported to enhance thermosensitivity in cancer cells. However, the molecular mechanisms underlying CQ-induced enhancement of thermosensitivity remain unclear. Here, we identified the differentially expressed genes involved in the enhancement of mild HT (MHT) sensitivity by chroloquine in HSC-3 human oral squamous cell carcinoma (OSCC) cells using GeneChip oligonucleotide microarrays.

2025-05-10 | GSE295102 | GEO

Identification of genes responsive to mild hyperthermia in human oral squamous cell carcinoma HSC-3 cells

2013-01-30 | GSE43862 | GEO

Identification of genes responsive to mild hyperthermia in human oral squamous cell carcinoma HSC-3 cells

Project description:Hyperthermia (HT) is widely used to treat patients with various cancers. In general, HT elicits a wide spectrum of stress responses, such as induction of heat shock proteins, protein aggregation and cell death in mammalian cells. Although many biological processes are affected by HT, the overall responses to HT in mammalian cells remain unknown. The effects of heat stress at 41Â°C for 30 min (mild hyperthermia) on the gene expression in human oral squamous cell carcinoma HSC-3 cells were investigated using an Affymetrix GeneChip system. Human oral squamous cell carcinoma HSC-3 cells were treated with heat stress (41Â°C for 30 min), followed by incubation for 0, 1, or 3 h at 37Â°C. Non-treated cells served as control. Total RNA samples were prepared from the cells, and quality of the RNA was analyzed using a Bioanalyzer 2100. Gene expression was monitored by an Affymetrix GeneChipÂ® system with a Human Genome U133-Plus 2.0 array. Sample preparation for array hybridization was carried out as described in the manufacturer's instructions.

2013-01-30 | E-GEOD-43862 | biostudies-arrayexpress

Identification of genes involved in enhancement of hyperthermia sensitivity by knockdown of BAG3 in human oral squamous cell carcinoma cells

Project description:Hyperthermia (HT) treatments in combination with either chemotherapy, radiotherapy or both are used for patients with cancer in various organs. However, the acquisition of thermotolerance in cancer cells due to the increase in cytoprotective proteins attenuates the therapeutic effects of HT. BAG3 (BCL2-associated athanogene 3) is a cytoprotective protein that acts against various stresses including heat stress. Recently, we demonstrated that the inhibition of BAG3 improves cell death sensitivity to HT in cancer cells. However, a detailed molecular mechanism involved in the enhancement of HT sensitivity by BAG3-knockdown (KD) in cancer cells is unclear. In this study, to identify genes involved in the enhancement of HT sensitivity by BAG3-knockdown (KD) in cancer cells, global-scale gene expression analysis was carried out using a GeneChipÂ® system. Human oral squamous carcinoma cell HSC-3 cells were treated with a combination of HT (at 44Â°C for 90 min) and siRNA for BAG3 or luciferase. Total RNA samples were prepared from the cells, and quality of the RNA was analyzed using a Bioanalyzer 2100. Gene expression was analyzed by an Affymetrix GeneChipÂ® system with a Human Genome U133-plus 2.0 array. Sample preparation for array hybridization was carried out as described in the manufacturerâs instructions.

2015-11-19 | E-GEOD-75127 | biostudies-arrayexpress

Effect of mild hyperthermia on Mk differentiation

Project description:Physical factors can have major influences on the proliferation and differentiation fate of hematopoietic stem cells in culture. Recently, we demonstrated that cord blood CD34+ cells undergo accelerated and increased megakaryocyte differentiation when incubated at 39°C. In this study, we investigated in detail the impacts of mild hyperthermia on the kinetics of megakaryocyte differentiation, maturation, polyploidization and cell viability. The qualitative and quantitative effects on Mk differentiation were found to be rapidly induced, and optimization of the culture length at 39°C led to greater Mk yields. Mild hyperthermia did not promote endomitosis of cord blood-derived Mk, but rather led to a small reduction in the proportion of polyploid Mk. Moreover, it had little impact on viability but induced a significant shift in the proportion of cells undergoing apoptosis at 37°C to necrosis at 39°C. Finally, our results suggest that the effects on megakaryocyte differentiation could be the consequences of aberrant expression of key megakaryocyte transcription factors induced by mild hyperthermia. Keywords: Effect of mild hyperthermia on Mk differentiation

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Identification of genes responsive to mild hyperthermia in human leukemia U937 cells

Project description: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. Keywords: mild hyperthermia, gene expression, Human lymphoma U937 cell

2008-01-03 | GSE10043 | GEO

Identification of genes responsive to mild hyperthermia in human normal fibroblast OUMS-36 cells

Project description:Hyperthermia is widely used to treat patients with various cancers. Here, the effects of heat stress at 41°C for 30 min (mild hyperthermia) on the gene expression in OUMS-36 human normal fibroblast cells were investigated using an Affymetrix GeneChip system. The cells were treated with mild hyperthermia, followed by incubation for 0, 1, or 3 h at 37°C. No cell death was observed in the mild hyperthermia-treated cells. On the other hand, many genes that were differentially expressed by a factor 1.5 or greater were identified in the cells treated with the mild hyperthermia.

2012-07-13 | GSE39178 | GEO

Identification of genes responsive to mild hyperthermia in human skin normal fibroblast Hs68 cells

Project description:Hyperthermia is widely used to treat patients with various cancers. Here, the effects of heat stress at 41°C for 30 min (mild hyperthermia) on the gene expression in Hs68 human skin normal fibroblast cells were investigated using an Affymetrix GeneChip system. The cells were treated with mild hyperthermia, followed by incubation for 0, 1, or 3 h at 37°C. No cell death was observed in the mild hyperthermia-treated cells. On the other hand, many genes that were differentially expressed by a factor 1.5 or greater were identified in the cells treated with the mild hyperthermia.

2012-07-13 | GSE39177 | GEO

Identification of genes involved in enhancement of hyperthermia sensitivity by knockdown of BAG3 in human oral squamous cell carcinoma cells

2015-11-19 | GSE75127 | GEO

microRNA expression in HeLa cells under a mild hyperthermia

Project description:We investigated expression profiles of miRNAs in HeLa cells that were subjected to a mild hyperthermia as well as normal temperature by means of DNA microarray. The data suggested similar expression profiles to each other. Small RNA samples prepared from HeLa cells exposed to a mild hyperthermia (40M-BM-:C) as well as normal temperature (37M-BM-:C) were examined by means of GenopalM-BM-.-MICH07 DNA chips.

2014-09-01 | E-GEOD-53745 | biostudies-arrayexpress

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