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韓國營養學會誌 = The Korean journal of nutrition. v.27 no.2, 1994년, pp.153 - 161   피인용횟수: 3

고 트립토판 식이를 섭취한 마우스에서 Immobilization 스트레스로 인한 면역변조와 Serotonin 대사의 변화에 대한 연구
A Study on Immunomodulation and Serotonin Metabolism Changes by Immobilization Stress in Mice Fed Tryptophan Supplemented Diet.

서경원    (서울대학교 식품영양학과  );
  • 초록

    We fed high trypotophan diet(3.5% tryptophan/diet(w/w) to mice for 7 days and treated then with 3 hour immobilization(IMMB) stress to investigate tryptophan metabolism and immunomodulation. The levels of serum tryptophan, brain tryptophan, serotonin(5HT) and 5-hydroxyindoleacetic acid(5HIAA) in the tryptophan diet fed animals were higher than those of the normal diet fed animals. Feeding tryptophan supplemented diet to stressed animal significantly decreased the levels of serum and brain tryptophan and 5HT levels. However, the amount of 5HIAA which is the metabolite of serotonin was increased in brain. Plasma corticosterone level was increased by the stress in both groups but the degree of this increase was smaller in high tryptophan fed animals. The relative numbers of CD8+ T cells, CD4+ T cells and B cells in spleen were decreased in high tryptophan diet fed and stressed animals compared to control diet fed and no stressed animals. CD8+ T cells decreased more than CD4+ T cells. The decrease of CD8+ T cells in high tryptophan fed and stressed animals was similar to that in high tryptophan fed animals or normal diet fed and stressed animals. Stress and tryptophan supplement acted synergistically to decrease the number of B cells. This study suggests that stress and tryptophan supplement could modify the number of lymphocyte cells, and indicates that the interaction of stress and tryptophan supplement on immune fuction depends on the types of immune cells.


  • 주제어

    high tryptophan diet .   stress .   serotonin .   corticosterone .   immunomodulaton .   CD4 T cell .   CD8 T cell .   B cell.  

  • 이 논문을 인용한 문헌 (3)

    1. 1995. "The Effect of Dietary n-3 and n-6 Polyunsaturated Fats on changes in Glucose, Non Esterified Fatty Acid and Fatty Acid Compositions in Serum of Rat Exposed to Stress." 韓國營養學會誌 = The Korean journal of nutrition., 28(5): 375~386     
    2. 1996. "Effect of Examination-stress on Nitrogen Metabolism of College Students" 韓國營養學會誌 = The Korean journal of nutrition., 29(7): 788~805     
    3. 2002. "The Effect of Obesity and Nutrient intake on Serum IGF-1 and Serotonin Levels in School Children" 韓國營養學會誌 = The Korean journal of nutrition., 35(5): 524~530     

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