• Title/Summary/Keyword: CD8$^+$ T-cell

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The Effect of Changiga on Immune Cell & Serum OA-specific IgE in BALF in Rat Asthma Model (창이자(蒼耳子)가 제 I 형 알레르기 천식(喘息)모델 흰쥐의 BALF내(內) 면역세포(免疫細胞) 및 혈청(血淸) IgE에 미치는 영향(影響))

  • Lee Byoung-Hee;Lee Sang-Jae;Kim Kwang-Ho
    • Journal of Society of Preventive Korean Medicine
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    • v.5 no.2
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    • pp.93-105
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    • 2001
  • BACKGROUND : Changiga is a hetnal medicine which has been used of the traditional therapeutic agent of asthma. So I examine the effect of Changija on immune Cell&serum OA-specific IgE in BALF in rat asthma model. MATERIAL and METHODS : Rats were sensitized with OA; at day 1 sensitized group and Changiga(CIG) groups were systemically immunized by subcutaneous ingection of 1mg OA and 300mg of Al(OH)3 in a total volume of 2ml. At the same time, 1ml of 0.9% saline containing $6{\times}109$ B. pertussis bacilli was injected by i.p. 14 days, after the systemic immunization, rats received local immunization by inhaling 0.9% saline aerocol containing 2%(wt/vol) OA, A day after local immunization, BAL fluid was collected from the rats. A day after local immunization, rats were orally administered with Changiga extract 14 days, Lymphocyte, CD4+ T-cell CD8+ T-cell counts, CD4+/CD8+ ratio in BALF, change of serum OA-specific IgE level in the peripheral blood were measured and evaluated. RESULT : Changiga showed a suppressive effect on a rat asthme model. Changiga decreased lymphocyte, CD4+ T-cell, CD4+/CD8+ ratio in BALF, serum OA-specific IgE level as compared with the control group, whereas Changiga decreased CD8+ T-cell in BALF with statistical nonsignificance as compared with the control group. CONCLUSION: This study shows that Changiga have a suppressive effect on rat allergic athma model. Changiga would be useful allergic asthma treatment agent.

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Variation of Blood T Lymphocyte Subgroups in Patients with Non- small Cell Lung Cancer

  • Wang, Wen-Jing;Tao, Zhen;Gu, Wei;Sun, Li-Hua
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.8
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    • pp.4671-4673
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    • 2013
  • Objectives: To study variation in T lymphocyte subgoups and its clinical significance in non-small cell lung cancer (NSCLC). Methods: Levels of CD3+, CD4+, CD8+, CD4+/CD8+, NK and Treg cells in peripheral blood of NSCLC cases and healthy adults were determined by flow cytometry. Results: CD3+, CD4+ and CD4+/CD8+ ratio and NK cells in NSCLCs were decreased significantly in comparison with the control group (P < 0.01), and decreased with increase in the clinical stage of NSCLC, while CD8+ cells demonstrated no significant change (P > 0.05). Treg cells were significantly more frequent than in the control group (P < 0.01), and increased with the clinical stage of NSCLC. Conclusion: The cellular immune function of the NSCLC patients is lowered. It is important to detect change of T lymphocyte subgroups by flow cytometry for the diagnosis, treatment and prognostic assessment of NSCLC patients.

Predominant T Helper 1 Immune Response in Women with Reproductive Failures (반복 유산 및 착상실패를 보이는 환자에서 Th1 면역반응에 대한 연구)

  • Han, Ae-Ra;Yang, Kwang-Moon;KwakKim, Joanne
    • Clinical and Experimental Reproductive Medicine
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    • v.37 no.3
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    • pp.231-237
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    • 2010
  • Objective: To evaluate whether T helper 1 (Th1) immune response is predominant in women with reproductive failures (recurrent spontaneous abortion and recurrent implantation failure) and the activation of T cell is related to Th1 propensity. Methods: Women with a history of recurrent implantation failure or recurrent spontaneous abortion comprise the study group (n=37). Controls are normal fertile women without a history of infertility or pregnancy losses (n=11). Th1/Th2 ratios of interferon (INF)-$\gamma$/interleukin (IL)-10 and tumor necrosis factor (TNF)-$\alpha$/IL-10 expression on $CD3^+/4^+$ cells, CD154, and CD69 expression on T cells are measured by flow cytometric analysis. Results: The ratios of TNF-$\alpha$ to IL-10 expressing on $CD3^+/4^+$ cells (Th1/Th2 cell ratios) are significantly higher in study group ($42.1{\pm}2.3$) as compared with that of controls ($28.7{\pm}2.7$) (p=0.002). The overall trend of CD154 and CD69 expression on T cells are elevated in study group than those of controls. The proportion (%) of $CD3^+/4^+/154^+$ cells ($1.7{\pm}0.5$ vs. $0.3{\pm}0.2$, p=0.038) and the % of $CD3^+/8^+/154^+$ cells ($0.6{\pm}0.2$ vs. $0.1{\pm}0.0$, p=0.024) are significantly higher in study group. The % of $CD3^+/69^+$ cells ($5.6{\pm}1.9$ vs. $1.3{\pm}5.4$, p=0.046) and % of $CD3^+/8^+/69^+$ cells ($4.8{\pm}1.3$ vs. $1.8{\pm}0.2$, p=0.035) among $CD3^+/8^+$ cells are significantly increased in study group. Conclusion: Women with reproductive failures have Th1 propensity with increased T cell activation. These finding means that activated T cell has a harmful effect on early pregnancy and implantation by induction of Th1 immunity.

Effects of Omahwan(OMH) on CD4+, CD8+ T cell and Immune Organ Index in Rat (오마환(烏麻丸)이 백서(白鼠)의 혈액내(血液內) CD4+, CD8+ T cell 및 면역기관(免疫器官) 장기지수(臟器指數)에 미치는 영향(影響))

  • Lee Song-Shil;Lee Sang-Jae;Kim Kwang-Ho
    • Journal of Society of Preventive Korean Medicine
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    • v.5 no.1
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    • pp.76-89
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    • 2001
  • OMH which is known for its properties of recruiting vitality, is composed of Polygonum multiflorum Thunb. and Sesamum indicum DC.. This formula is known to possess the properties of recruiting vitality, blackening white hair and expanding life span. 16-week-old SD-Rats were treated with OMH for 16 days. After 24 hours, the rats were treated with MTX(Mthotrexate is oral administrated for 4 days(1mg/kg/day), in order to lower immunity. Then, These rats were classified in to groups, the N-16 group(not specially tested), the Control group(MTX), the OMH-L group(2.5% OMH+MTX)&the OMH-H group(10% OMH+MTX) and 6 rats were assigned to each group. After 18 hours from MTX treatment the organ index of the rats from each group Thymus and Spleen were measured. The percentage of CD+4, CD8+ T cell were measured and compared by flow cytometer. 1) Rats from the OHM-L&OMH-H group showed higher organ indexes of the Thymus and Spleen compared to the rats from the Control Group. This proves that OMH possesses the properties to mitigate degenerations of immunity($F_{thymus}=20.162,\;F_{spleen}=5.882$, ANDVA, p<0.05). 2) The rats from the two OMH groups showed higher rates of CD4+ T cell counts compared to the control group(F=26.906, ANOVA, p<0.05). CD8+ T cell showed lower rates compared to the Control group, but showed no differences within the two OMH groups(F=1.254, ANOYA, p>0.05). CD4+/CD8+ showed higher rates in the two OMH groups compared to the control group which can be thought as a proof that OMH prevents depression of immune response(F=10.554, ANOVA, p<0.05). In this test 16 week-old rats were used, which can be considered as the middle and prime age of the human being. These rats were treated with OMH which ended up showing properties of mitigating degeneration of immune responses and maintaining T-cell rates within the blood. It was possible to study that OMH possesses the properties to increase immune responses.

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Effect of Herbal Extract on Helper T Cell activity (소청용탕이 Helper T Cell의 활성에 미치는 영향)

  • Seo Young Ho;Bae Hyun Su;Shin Min Kyu;Hong Moo Chang
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.16 no.4
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    • pp.693-700
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    • 2002
  • SCRT (Sochungyong-tang) has been used for immune disease in human. The purpose of this study was effect of Helper T cell, major regulator of immune system. Spleen cell from 8 week BALB/c mice were cultured in SCRT containing medium without activation for 48 h. The MTS assay and flow cytometry revealed that SCRT treated Iympocyte were non-effect in percentage of CD4+ T cell. Subsequently CD4+ T cell were isolated and cultured in SCRT containing medium. SCRT were non-effective on CD4+ T cell without any involvement of APC. In order to evaluate the direct effect of SCRT on Helper T cell, CD4+ T cell isolated after 48 h of culture in SCRT containing medium and activated with and without anti-CD3/anti-CD28 activation for 48 h. A lower level of CD69 was observed in SCRT treated cells in flow cytometry analysis. Subsequently Using RT-PCR analysis the expression of mRNA for IL-2, INF-γ are upregulated and, IL-4 is downregulated in CD4 T cell. The result suggests that SCRT makes Th1 significantly increased and Th2 relatively inhibited. The results suggest that SCRT potentiate Th1 cell and decrease Th2 development at the same time, which is believed to be bemeficial for IgE-mediated responses.

Enhancing T Cell Immune Responses by B Cell-based Therapeutic Vaccine Against Chronic Virus Infection

  • Kim, Min Ki;Lee, Ara;Hwang, Yu Kyeong;Kang, Chang-Yuil;Ha, Sang-Jun
    • IMMUNE NETWORK
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    • v.14 no.4
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    • pp.207-218
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    • 2014
  • Chronic virus infection leads to the functional impairment of dendritic cells (DCs) as well as T cells, limiting the clinical usefulness of DC-based therapeutic vaccine against chronic virus infection. Meanwhile, B cells have been known to maintain the ability to differentiate plasma cells producing antibodies even during chronic virus infection. Previously, ${\alpha}$-galactosylceramide (${\alpha}GC$) and cognate peptide-loaded B cells were comparable to DCs in priming peptide-specific $CD8^+$ T cells as antigen presenting cells (APCs). Here, we investigated whether B cells activated by ${\alpha}GC$ can improve virus-specific T cell immune responses instead of DCs during chronic virus infection. We found that comparable to B cells isolated from naïve mice, chronic B cells isolated from chronically infected mice with lymphocytic choriomeningitis virus (LCMV) clone 13 (CL13) after ${\alpha}GC$-loading could activate CD1d-restricted invariant natural killer T (iNKT) cells to produce effector cytokines and upregulate co-stimulatory molecules in both naïve and chronically infected mice. Similar to naïve B cells, chronic B cells efficiently primed LCMV glycoprotein (GP) 33-41-specific P14 $CD8^+$ T cells in vivo, thereby allowing the proliferation of functional $CD8^+$ T cells. Importantly, when ${\alpha}GC$ and cognate epitope-loaded chronic B cells were transferred into chronically infected mice, the mice showed a significant increase in the population of epitope-specific $CD8^+$ T cells and the accelerated control of viremia. Therefore, our studies demonstrate that reciprocal activation between ${\alpha}GC$-loaded chronic B cells and iNKT cells can strengthen virus-specific T cell immune responses, providing an effective regimen of autologous B cell-based therapeutic vaccine to treat chronic virus infection.

The Effect of Samilshinkihwan on Immunosuppression Induced in Rats by Methotrexate (삼일신기환(三一腎氣丸)이 methotrexate로 유발(誘發)된 흰쥐의 면역기능저하(免疫機能低下)에 미치는 영향(影響))

  • Choi, Young-Ah;Kwon, Eun-Hee;Lee, Yeon-Kyeong;Shin, Hyeon-Cheol;Kang, Seok-Bong;Park, Song-Kee
    • The Journal of Internal Korean Medicine
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    • v.28 no.1
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    • pp.12-24
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    • 2007
  • Objective : To investigate the effect of Samilshinkihwan(SISKW) on white rats with deteriorated immunity caused by methotrexate. Methods : The test articles were dosed once a day for 14 days by gastric gavage at a dosage 1000, 500 and 250mg/kg/10ml of SISKW from 2 days after last MTX-dosing, and changes in body weight, spleen weight, total blood leukocyte numbers, total lymphocyte numbers, B and T lymphocyte ratio, CD3+CD4+, CD3+/CD8+ and CD4+/CD8+ T lymphocyte ratio in the blood and spleen were measured. In addition, the serum interleukin (IL)-2 levels and the productivity of IL-2 of splenic cells were also demonstrated in this study. Results : The changes on body weight increased significantly in the 1000mg/kgof SISKW group. The changes on the spleen weight, the total blood leukocytenumbers, the total lymphocyte numbers in the blood and spleen, the ratio of T-cell in the blood and spleen and the ratio of CD3+CD4+ T-cell in spleen increased significantly in all SISKW groups as compared with the control group. The ratio of CD4+/CD8+ T-cells in blood increased significantly. The serum IL-2 levels and productivity of IL-2 of splenic cells increased significantly in 1000 and 500mg/kg SISKW groups as compared with the control group. Conclusions : Samilshinkihwanhas an effect of increasing immune responses, especially on cellular immune responses, in white rats with deteriorated immunity caused by methotrexate.

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Antitumor Effects of the Hexane Extract of Stachys Sieboldii MIQ (초석잠 추출물의 항암 및 면역 효과)

  • 류병호;박법규;송승구
    • KSBB Journal
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    • v.17 no.6
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    • pp.520-524
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    • 2002
  • The present study was designed to investigate the effects of Stachys Sieboldii MIQ as a new natural antitumor agent or immunomodulator. To obtain the above objectives, Stachys sieboldii MIQ was extracted with ethanol. Stachys sieboldii MIQ accelerated mouse spleen cell growth, but inhibited FM3A/S°-cell growth. However, no significant difference was found for CD4+ / CD8+ cells. The growth rates of CD4+ and CD8+ T cells were accelerated more than those normal mouse group. Stachys sieboldii MIQ fed mice showed a significant enhancement of IL-2 receptor expression, increased numbers of CD4+ T cells, and CD8+ T cells. Stachys sieboldii MIQ also stimulated the production of NO by peritoneal macrophages and the production of NO by and the growth of mouse spleen cells. On the other hand, lung localization of Bl6Fl0 melanoma cells was inhibited by ethanol extract of Stachys sieboldii MIQ. These results show that Stachys sieboldii MIQ is a useful new functional antitumor agent or immunomodulator.

Kinetics of IFN-${\gamma}$ and IL-17 Production by CD4 and CD8 T Cells during Acute Graft-versus-Host Disease

  • Ju, Ji-Min;Lee, Hakmo;Oh, Keunhee;Lee, Dong-Sup;Choi, Eun Young
    • IMMUNE NETWORK
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    • v.14 no.2
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    • pp.89-99
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    • 2014
  • Graft-versus-host disease (GVHD) is a fatal complication that occurs after allogeneic hematopoietic stem cell transplantation. To understand the dynamics of CD4 and CD8 T cell production of IFN-${\gamma}$ and IL-17 during GVHD progression, we established a GVHD model by transplanting T cell-depleted bone marrow (TCD-BM) and purified T cells from B6 mice into irradiated BALB.B, creating an MHC-matched but minor histocompatibility (H) antigen-mismatched transplantation (B6 ${\rightarrow}$ BALB.B GVHD). Transplantation-induced GVHD was confirmed by the presence of the appropriate compositional changes in the T cell compartments and innate immune cells in the blood and the systemic secretion of inflammatory cytokines. Using this B6 ${\rightarrow}$ BALB.B GVHD model, we showed that the production of IFN-${\gamma}$ and IL-17 by CD4 T cells preceded that by CD8 T cells in the spleen, mesenteric lymph node, liver, and lung in the BALB.B GVHD host, and Th1 differentiation predated Th17 differentiation in all organs during GVHD progression. Such changes in cytokine production were based on changes in cytokine gene expression by the T cells at different time points during GVHD development. These results demonstrate that both IFN-${\gamma}$ and IL-17 are produced by CD4 and CD8 T cells but with different kinetics during GVHD progression.

Ulmi Cortex Prevents Cisplatin-Induced Apoptosis in Mice (시스플라틴에 의한 세포고사에서 유근피(楡根皮)의 효과)

  • Moon, Mi-Hyun;Jeon, Ji-Young;Lee, Seon-Ah;Shin, Yong-Jeen;Ko, Seok-Jae;Moon, Goo
    • Herbal Formula Science
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    • v.16 no.2
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    • pp.229-241
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    • 2008
  • Objectives : The purpose of this study is to investigate the effect of Ulmi Cortex(UC) on the cisplatin-induced cell death. Materials and Methods : I examined several kinds of cell populations such as $CD4^+$ T cells, $CD8^+$ T cells, macrophages and dendritic cells in spleen. Result : When cisplatin was injected to mice, UC recovered total number of cells in spleen and also the number of T cells, macrophages and dendritic cells. UC also effected the activation of $CD4^+$ and $CD8^+$ T cells such as $CD25^+$, $CD69^+$ cells. To further investigate the effect of UC on the cisplatin-induced cell death, I examined the death of splenocyte and total T cells. UC inhibited cisplatin-induced cell death. Conclusion : Taken together, my results suggest that UC may be a beneficial oriental medicine for side effects during anti-tumor therapy.

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