지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Objectives : The purpose of this study is to investigate the effect of oral administration of Yongyukjowi-tang(YJT) on the immune activity in aged Sprague-Dawley rat(SD rat). Methods : SD rats were divided into three groups: Yongyukjowi-tang groups(YJT groups), distilled water groups(control groups) and Vitamin C groups(positive control groups) which were administered an oral dose(1ml/1day) to 6, 48 and 68 weeks old SD rats for four weeks. After four weeks, the number of total leukocyte, CD3+, CD4+, CD8+, and the level of cytokine (IL-2, IL-4, IL-10, IFN-${\gamma}$) were measured in spleen tissue of each SD rats. Results and Conclusions : 1) The number of total leukocyte significantly increased in 52 weeks old YJT group and 72 weeks old YJT group in comparison with those of the control group. 2) The number of CD3+ cell significantly increased in 72 weeks old YJT group in comparison with those of the control group and the positive control group. 3) The number of CD8+ cell significantly increased in 52 weeks old YJT group in comparison with those of the control group. 4) The level of IL-2 significantly increased in 72 weeks old YJT group in comparison with those of the control group and the positive control group. 5) The level of IL-4 significantly increased in 52 weeks old YJT group in comparison with those of the positive control group. These results suggest that oral administration of YJT has an effect on increase of immune activity in aged rat.
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