The Effect of Zinc Sulphate in The Prevention of Radiation-induced Dermatitis
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概要
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There is currently substantial clinical interest in zinc (Zn) as a protective agent against radiation-related normal tissue injury. To further assess this drug's potential, the effect of Zn was studied in rats using a radiation-induced skin injury model. Sprague-Dawley rats were divided into four groups. Group 1 received neither Zn nor irradiation (control group). Group 2 received 30 Gy of gamma irradiation as a single dose to the right hind legs of the rats (RT Group). Groups 3 and 4 received the same irradiation plus 5mg/kg/day Zn (RT+5 Zn group) or 10mg/kg/day Zn orally (RT+10 Zn group), respectively. The rats were irradiated using a cobalt-60 teletherapy unit. Acute skin reactions were assessed every three days by two independent radiation oncology experts. At the endpoint of the study, light-microscopic findings were assessed by two independent expert pathology physicians. Clinically and histopathologically, irradiation increased dermatitis when compared with the control group (p<0.05). The severity of radiodermatitis of the rats in the RT+5 Zn and RT+10 Zn groups was significantly lower than in the RT group (p<0.05); radiodermatitis was seen earlier in the RT group than in the other groups (p<0.05). Zn was found to be efficacious in preventing epidermal atrophy, dermal degeneration such as edema and collagen fiber loss, and hair follicle atrophy. The most protection for radiation dermatitis was observed in the RT+10 Zn group. It would be worthwhile studying the effects of zinc sulphate supplements in radiation-treated cancer patients, in the hope of reducing radiation-induced toxicity.
- 日本放射線影響学会の論文
著者
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Sezen Orhan
Department Of Radiation Oncology Ataturk University Faculty Of Medicine
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Ertekin Mustafa
トルコ
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Ertekin Mustafa
Department Of Radiation Oncology Ataturk University Faculty Of Medicine
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ERDOGAN Fazli
Department of Pathology, Ataturk University, Faculty of Medicine
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GUNDOGDU Cemal
Department of Pathology, Ataturk University, Faculty of Medicine
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GEPDIREMEN Akcahan
Department of Pharmacology, Faculty of Medicine, Ondokuz Mayis University
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TEKIN Salim
Department of Medical Oncology Ataturk University Faculty of Medicine
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KARSL1OGLU Ihsan
Department of Radiation Oncology Ataturk University Faculty of Medicine
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BALC1 Ercan
Department of Radiation Oncology Ataturk University Faculty of Medicine
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Erdogan Fazli
Department Of Neurosurgery School Of Medicine Ataturk University
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Gundogdu Cemal
Department Of Pathology Ataturk University Faculty Of Medicine
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Karsl1oglu Ihsan
Department Of Radiation Oncology Faculty Of Medicine Ataturk University
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Gepdiremen Akcahan
Department Of Pharmacology Faculty Of Medicine Ondokuz Mayis University
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ERTEKIN Mustafa
Department of Radiation Oncology
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SEZEN Orhan
Department of Radiation Oncology
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