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KMID : 1164220070190020083
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Journal of Korean Society for Radiotherapeutic Technology
2007 Volume.19 No. 2 p.83 ~ p.90
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Studies on Radiation Protection Effect of the Beer
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Sohn Jong-Gi
Ha Tae-Young
Hwang Chul-Hyan
Lee Young-Hwa
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Abstract
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Purpose: In this study, it was investigated whether commercially produced beer is able to prevent a lymphocyte
from radiation induced apoptosis.
Materials and Methods: Whole blood samples were acquired from 5 healthy volunteers (male, 26~38 years old)
and the lymphocyte were isolated by density gradient centrifugation. Radiation induced apoptosis of the lymphocyte were investigated by 0.5 Gy, 1.0 Gy, 2.0 Gy, 3.0 Gy to 5.0 Gy irradiation. In some experiments, the donor drunk beer and then blood samples were collected. In other experiments, melatonin or glycine betain was added to lymphocyte culture medium. Treated or untreated lymphocytes were cultured for 60 hours and radiation induced apoptosis of the lymphocyte was analyzed by annexin-V staining through flow cytometery.
Results: Relative radiation induced apoptosis ratio of the untreated lymphocytes is 1.22±1.1, 1.22±1.1, 1.38±1.0,
1.47±1.1, 1.50±1.2 by radiation dose of 0.5 Gy, 1.0 Gy, 2.0 Gy, 3.0 Gy and 5.0 Gy respectively. Relative radiation induced apoptosis ratio of lymphocytes is isolated from beer drunken donors is 0.97±1.0, 0.99±1.0, 1.11±0.9, 1.29±1.1, 1.15±1.1 by radiation doses respectively which are reduced 21.5% compared with untreated lymphocyte. Relative radiation induced apoptosis ratio of the lymphocytes is isolated from non-alcohol beer drunken donors is 1.22±1.1, 1.17±1.1, 1.13±1.3, 1.38±1.2, 1.32±1.1 by radiation dose of 0.5 Gy, 1.0 Gy, 2.0 Gy, 3.0 Gy and 5.0 Gy respectively which are reduced 10.8% compared with the untreated lymphocyte.
Conclusion: As a result, it is suggested that beer may protect the lymphocyte from radiation damage and inhibit
apoptosis.
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KEYWORD
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radiation protect, lymphocyte, apoptosis, flow cytometery
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