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Radioprotective Effects of Aronia on Radiation Irradiated Rats

방사선에 조사된 쥐에서 아로니아의 방사선 방호효과

  • Received : 2017.08.02
  • Accepted : 2017.09.13
  • Published : 2017.09.30

Abstract

The present study was intended to orally administer aronia to rats, irradiate radiation once to the whole bodies of the rats, and conduct blood tests to observe, compare, and analyze changes in blood cells, such as leukocytes, erythrocytes, and platelets, in order to examine the radioprotective effects of aronia. As experimental animals, 15 male Sprague-Dawley (SD) rats aged six weeks weighing 200~250 g were taken and divided into the normal group (A) of five rats, the 5 Gy control group (B) of five rats, and the 5 Gy experimental group (C) of five rats. The normal group (A) was not~irradiated at all, the control group (B) was administered with general diets and irradiated, and the experimental group(C) was orally administered with 50 mg/kg/day of aronia two times per day to achieve a distilled water oral dose of 100 mg/kg/day and irradiated thereafter (5 Gy at 500 cGy/min) for 14 days. After the experiment, differences in leukocytes, erythrocytes, and platelets among the normal group (A), the control group (B), and the experimental group (C) were examined by comparing the counts of the blood cells and the results showed no statistically significant differences. However, on a detailed review, the normal group (A) showed statistically higher mean values for all of lymphocytes, hemoglobin, and mean corpuscular hemoglobin as compared to the control group (B) and the experimental group (C). Statistically significant differences in the counts of lymphocytes were shown between the normal group (A) and the control group (B), and between the normal group (A) and the experimental group (C); furthermore, statistically significant differences in mean corpuscular hemoglobin were shown between the normal group (A) and the experimental group (C). Given the results of the present study, in irradiated rats, aronia was generally considered as having no radioprotective effect on leukocyte, erythrocyte, and platelet while having statistically significant radioprotective effects on lymphocytes, hemoglobin, and mean corpuscular hemoglobin. Based on the present experiment, diverse studies should be conducted hereafter.

본 연구에서는 아로니아를 Rat에 경구 투여 후 방사선을 1회 전신 조사한 다음 혈액검사를 실시해 백혈구, 적혈구, 혈소판 등의 혈구세포의 변화 상태를 관찰하고 비교 분석하여 아로니아의 방사선 방어효과를 알아보고자 하였다. 실험동물은 SD계 Rat 6주령 200~250g 수컷 15마리를 이용하여 5마리를 하나의 군으로 정상군 (A), 5 Gy 대조군(B), 5 Gy 실험군(C)으로 설정하였고, 정상군(A)은 방사선 조사를 실시하지 않고, 대조군 (B)은 일반식 이를 투여하여 방사선조사를 하였고, 실험군(C)은 방사선조사 전 14일 동안 아로니아, 증류수 경구투여량(100 mg/kg/day)로 1일 2회씩 50 mg/kg/day로 각각 쥐에 14일 동안 경구 투여 후 방사선 조사(500 cGy/min로 5 Gy)를 하였다. 그 결과 정상군(A), 대조군(B), 실험군(C)에 따른 백혈구, 적혈구, 혈소판 차이를 비교해 본 결과 통계적으로 유의한 차이가 없었지만, 세부적으로 살펴보면, 림프구, 혈색소, 평균적혈구색소량에서 모두 정상군(A)이 대조군(B), 실험군(C)에 비해서 평균수치가 높게 나타나 통계적으로 유의한 차이가 있음을 알 수 있었다. 림프구에서는 정상군(A)과 대조군(B), 정상군(A)과 실험군(C)간에 통계적으로 유의한 차이가 보였으며, 평균적 혈구색소량에서는 정상군(A)과 실험군(C)에서 통계적으로 유의한 차이를 보였다. 본 연구의 결과로 보아 방사선에 조사된 쥐에서 아로니아의 방사선방호효과가 전체적으로 백혈구, 적혈구, 혈소판 등은 없는 것으로 사료되었고, 부분적으로는 림프구, 혈색소, 평균적혈구혈색소량은 통계적 유의성이 있는 것으로 알 수 있었다. 이 실험을 바탕으로 향후 다양한 연구가 선행되어야 할 것으로 사료된다.

Keywords

References

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