Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up study
<p>Abstract</p> <p>Background</p> <p>Radiotherapists are highly interested in optimizing doses especially for patients who tend to suffer from side effects of radiotherapy (RT). It seems to be helpful to identify radiosensitive individuals before RT.</p> <p>...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2011-04-01
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| Series: | Radiation Oncology |
| Online Access: | http://www.ro-journal.com/content/6/1/32 |
| _version_ | 1818773241613778944 |
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| author | Figel Markus Thamm Reinhard Baumgartner Adolf Jaehnert Irene Geinitz Hans Braselmann Herbert Huber Reinhard Molls Michael Zitzelsberger Horst |
| author_facet | Figel Markus Thamm Reinhard Baumgartner Adolf Jaehnert Irene Geinitz Hans Braselmann Herbert Huber Reinhard Molls Michael Zitzelsberger Horst |
| author_sort | Figel Markus |
| collection | DOAJ |
| description | <p>Abstract</p> <p>Background</p> <p>Radiotherapists are highly interested in optimizing doses especially for patients who tend to suffer from side effects of radiotherapy (RT). It seems to be helpful to identify radiosensitive individuals before RT.</p> <p>Thus we examined aberrations in FISH painted chromosomes in <it>in vitro </it>irradiated blood samples of a group of patients suffering from breast cancer. In parallel, a follow-up of side effects in these patients was registered and compared to detected chromosome aberrations.</p> <p>Methods</p> <p>Blood samples (taken before radiotherapy) were irradiated <it>in vitro </it>with 3 Gy X-rays and analysed by FISH-painting to obtain aberration frequencies of first cycle metaphases for each patient. Aberration frequencies were analysed statistically to identify individuals with an elevated or reduced radiation response. Clinical data of patients have been recorded in parallel to gain knowledge on acute side effects of radiotherapy.</p> <p>Results</p> <p>Eight patients with a significantly elevated or reduced aberration yield were identified by use of a t-test criterion. A comparison with clinical side effects revealed that among patients with elevated aberration yields one exhibited a higher degree of acute toxicity and two patients a premature onset of skin reaction already after a cumulative dose of only 10 Gy. A significant relationship existed between translocations <it>in vitro </it>and the time dependent occurrence of side effects of the skin during the therapy period.</p> <p>Conclusions</p> <p>The results suggest that translocations can be used as a test to identify individuals with a potentially elevated radiosensitivity.</p> |
| first_indexed | 2024-12-18T10:22:07Z |
| format | Article |
| id | doaj.art-91961ef19e3c47cd8dcf5d25623bf29e |
| institution | Directory Open Access Journal |
| issn | 1748-717X |
| language | English |
| last_indexed | 2024-12-18T10:22:07Z |
| publishDate | 2011-04-01 |
| publisher | BMC |
| record_format | Article |
| series | Radiation Oncology |
| spelling | doaj.art-91961ef19e3c47cd8dcf5d25623bf29e2022-12-21T21:11:05ZengBMCRadiation Oncology1748-717X2011-04-01613210.1186/1748-717X-6-32Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up studyFigel MarkusThamm ReinhardBaumgartner AdolfJaehnert IreneGeinitz HansBraselmann HerbertHuber ReinhardMolls MichaelZitzelsberger Horst<p>Abstract</p> <p>Background</p> <p>Radiotherapists are highly interested in optimizing doses especially for patients who tend to suffer from side effects of radiotherapy (RT). It seems to be helpful to identify radiosensitive individuals before RT.</p> <p>Thus we examined aberrations in FISH painted chromosomes in <it>in vitro </it>irradiated blood samples of a group of patients suffering from breast cancer. In parallel, a follow-up of side effects in these patients was registered and compared to detected chromosome aberrations.</p> <p>Methods</p> <p>Blood samples (taken before radiotherapy) were irradiated <it>in vitro </it>with 3 Gy X-rays and analysed by FISH-painting to obtain aberration frequencies of first cycle metaphases for each patient. Aberration frequencies were analysed statistically to identify individuals with an elevated or reduced radiation response. Clinical data of patients have been recorded in parallel to gain knowledge on acute side effects of radiotherapy.</p> <p>Results</p> <p>Eight patients with a significantly elevated or reduced aberration yield were identified by use of a t-test criterion. A comparison with clinical side effects revealed that among patients with elevated aberration yields one exhibited a higher degree of acute toxicity and two patients a premature onset of skin reaction already after a cumulative dose of only 10 Gy. A significant relationship existed between translocations <it>in vitro </it>and the time dependent occurrence of side effects of the skin during the therapy period.</p> <p>Conclusions</p> <p>The results suggest that translocations can be used as a test to identify individuals with a potentially elevated radiosensitivity.</p>http://www.ro-journal.com/content/6/1/32 |
| spellingShingle | Figel Markus Thamm Reinhard Baumgartner Adolf Jaehnert Irene Geinitz Hans Braselmann Herbert Huber Reinhard Molls Michael Zitzelsberger Horst Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up study Radiation Oncology |
| title | Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up study |
| title_full | Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up study |
| title_fullStr | Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up study |
| title_full_unstemmed | Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up study |
| title_short | Chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients - a follow-up study |
| title_sort | chromosomal radiosensitivity and acute radiation side effects after radiotherapy in tumour patients a follow up study |
| url | http://www.ro-journal.com/content/6/1/32 |
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