Immune-boosting effect of Yookgong-dan against cyclophosphamide-induced immunosuppression in mice

被引:2
|
作者
Kim, Hyunseong [1 ]
Hong, Jin Young [1 ]
Lee, Junseon [1 ]
Yeo, Changhwan [1 ]
Jeon, Wan-Jin [1 ]
Lee, Yoon Jae [1 ]
Ha, In-Hyuk [1 ]
机构
[1] Jaseng Med Fdn, Jaseng Spine & Joint Res Inst, Seoul 135896, South Korea
关键词
Immune response; Lymphocytes; Leukocytes; Yookgong-dan; Cyclophosphamide; Immunosuppression; REHMANNIA-GLUTINOSA; ANGELICA-GIGAS; CELLS; BAX; EXTRACT; INJURY;
D O I
10.1016/j.heliyon.2024.e24033
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Immune responses must be strictly regulated to prevent autoimmune and infectious diseases and to protect against infectious agents. As people age, their immunity wanes, leading to a decrease in lymphocyte production in bone marrow and thymus and a decline in the efficacy of mature lymphocytes in secondary lymphoid organs. This study explores the immune-boosting potential of Yookgong-dan (YGD) in enhancing the immune system by activating immune cells. In our in vitro experiments, cyclophosphamide (Cy) treatment led to a significant decrease in primary splenocyte viability. However, subsequent treatment with YGD significantly improved cell viability, with doses ranging between 1 and 25 mu g/mL in Cy-treated splenocytes. Flow cytometry analysis demonstrated that the Cy group exhibited reduced positivity of CD3+ + T cells and CD45+ + leukocytes compared to the blank group. In contrast, treatment with YGD led to a notable, dose- responsive increase in these immune cell types. In our in vivo experiments, YGD was orally administered to Cy-induced immunosuppressed mice at 20 and 100 mg/kg doses for 10 days. The results indicated a dose-dependent elevation in immunoglobulin (Ig)G and IgM levels in the serum, emphasizing the immunostimulatory effect of YGD. Furthermore, the Cy-treated group showed decreased T cells, B (CD19+) + ) cells, and leukocytes in the total splenocyte population. Yet, YGD treatment resulted in a dose-dependent reversal of this pattern, suggesting its ability to counter immunosuppression. Notably, YGD was found to effectively stimulate T (CD4+ + and CD8+) + ) lymphocyte subsets and natural killer cells, along with enhancing Th1/Th2 cytokines in immunosuppressed conditions. These outcomes correlated with the modulation of BCL-2 and BAX expression, which are critical for apoptosis. In conclusion, YGD has the potential to bolster immune functionality through the activation of immune cells, thereby enhancing the immune system's capacity to combat diseases and improve overall health and wellness.
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页数:13
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