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Differential gene e...
Differential gene expression in human fibroblasts after alpha-particle emitter (211)At compared with (60)Co irradiation.
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- Danielsson, Anna, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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Claesson, Kristina (author)
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- Parris, Toshima Z, 1978 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Helou, Khalil, 1966 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Nemes, Szilard, 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Elmroth, Kerstin, 1970 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Elgqvist, Jörgen, 1963 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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Jensen, Holger (author)
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- Hultborn, Ragnar, 1946 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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(creator_code:org_t)
- 2012-12-14
- 2013
- English.
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In: International journal of radiation biology. - : Informa UK Limited. - 1362-3095 .- 0955-3002. ; 89:4, s. 250-258
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Abstract
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- Purpose: The aim of this study was to identify gene expression profiles distinguishing alpha-particle (211)At and (60)Co irradiation. Materials and methods: Gene expression microarray profiling was performed using total RNA from confluent human fibroblasts 5 hours after exposure to (211)At labeled trastuzumab monoclonal antibody (0.25, 0.5, and 1 Gy) and (60)Co (1, 2, and 3 Gy). Results: We report gene expression profiles that distinguish the effect different radiation qualities and absorbed doses have on cellular functions in human fibroblasts. In addition, we identified commonly expressed transcripts between (211)At and (60)Co irradiation. A greater number of transcripts were modulated by (211)At than (60)Co irradiation. In addition, down-regulation was more prevalent than up-regulation following (211)At irradiation. Several biological processes were enriched for both irradiation qualities such as transcription, cell cycle regulation, and cell cycle arrest, whereas mitosis, spindle assembly checkpoint, and apoptotic chromosome condensation were uniquely enriched for alpha particle irradiation. Conclusions: LET-dependent transcriptional modulations were observed in human fibroblasts 5 hours after irradiation exposure. These findings suggest that in comparison with (60)Co, (211)At has the clearest influence on both tumor protein p53-activated and repressed genes, which impose a greater overall burden to the cell following alpha particle irradiation.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine (hsv//eng)
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Danielsson, Anna ...
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Claesson, Kristi ...
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Parris, Toshima ...
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Helou, Khalil, 1 ...
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Nemes, Szilard, ...
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Elmroth, Kerstin ...
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Elgqvist, Jörgen ...
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Jensen, Holger
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Hultborn, Ragnar ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Cancer and Oncol ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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University of Gothenburg