• Title/Summary/Keyword: Immune suppression

Search Result 294, Processing Time 0.021 seconds

Study of Innate Immunity Suppression of Yeonsan Ogye listed on Dong-eui-bo-gam (동의보감에 수재된 오계(烏鷄)의 선천면역반응 억제에 관한 연구)

  • Choi, Hak Joo;Sim, Boo Yong;Joo, In Hwan;Yoo, Sun Kyun;Kim, Dong Hee
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.30 no.4
    • /
    • pp.236-241
    • /
    • 2016
  • The aim of the study is to evaluate immune-enhancing effects of Yeonsan Ogye. Various extract of Yeonsan Ogye (200 and 400 mg/kg/daily) was treated orally to Balb/c mice for 1 week, before acute inflammation was induced by LPS. After cytokine (IFN-γ, TNF-α, IL-6, and IL-1β) and immune cells (white blood cell, neutrophil, lymphocyte, and monocyte) level by serum and blood were counted. As a result, Oral treatment of Yeonsan Ogye extract to the Balb/c mice were significantly decreased cytokine level in serum, in comparison with control group. in addition, production of white blood cell and monocyte in blood was decreased and granulocyte was increased respectively, in comparison with control. Our results demonstrated that Yeonsan Ogye extracts seem to have significant immune-enhancing. Thus, Yeonsan ogye may be developed as a raw material for new health food and medicine to ease the symptoms related with inflammatory and immune.

Comparison of Immunomodualtory Effects of Water-extracted Ginseng Radix, Pilose Asia-bell, Astragali Radix, Astractylodes Rhizoma alba and Dioscoreae Rhizoma (대표적 보기약인 인삼, 당삼, 황기, 백출, 산약 물추출액의 면역조절효과 비교)

  • Shin Sang Woo;Lee Young Sun;Park Jong Hyun;Kwon Taeg Kyu;Suh Seong Il;Kwon Young Kyu
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.18 no.4
    • /
    • pp.1140-1146
    • /
    • 2004
  • This study was carried out to investigate the comparison of immunomodualtory effects of water-extracted Ginseng Radix(GR), Pilose Asia-bell(PA), Astragali Radix(AR), Astractylodes Rhizoma alba(AA) and Dioscoreae Rhizoma (DR). The parameter examined to assess apparent immunomodulatory effect of the water-extracted GR, PA, AR, AA and DR included the regulation of Nitric oxide (NO), the expression of Th1/Th2 type cytokine, the change of B cell phenotype. The water-extracted GR, PA, AR, AA and DR inhibited NO production and iNOS protein expression in LPS stimulated RAW 264.7 macrophage cells. In the Th1 and Th2 cytokine expression, the water-extracted GR, PA, AR, AA and DR induced IL-2 and IFNr mRNA gene expression. Therefore, it seems that the water-extracted GR, PA, AR, AA and DR have a inducing effect of Th1 type cytokines. In the Flow cytometry analysis, the water-extracted GR, PA, AR, AA and DR did not change B cell phenotype (CD45R/B220). The water-extracted GR, PA, AR, AA and DR have a reducing effect of immune suppression cause by Methotrexate (MTX), an agent of immune suppression. These results suggest that the immunomodulatory effects of the water-extracted GR, PA, AR, AA and DR may be, in part, associated with the inducing IL-2 and IFNr mRNA gene expression in and regulation of NO production in macrophage cells.

Agonistic Anti-CD137 Monoclonal Antibody Treatment Induces CD11b+Gr-1+ Myeloid-derived Suppressor Cells

  • Lee, Jung-Mi;Seo, Jeong-Hwan;Kim, Yeon-Jeong;Kim, Yun-Sun;Ko, Hyun-Jeong;Kang, Chang-Yuil
    • IMMUNE NETWORK
    • /
    • v.10 no.3
    • /
    • pp.104-108
    • /
    • 2010
  • CD137 (4-1BB/tnfrsf9) has been shown to co-stimulate T cells. However, agonistic anti-CD137 monoclonal antibody (mAb) treatment can suppress $CD4^+$ T cells, ameliorating autoimmune diseases, whereas it induces activation of $CD8^+$ T cells, resulting in diverse therapeutic activity in cancer, viral infection. To investigate the CD137-mediated T cell suppression mechanism, we examined whether anti-CD137 mAb treatment could affect $CD11b^+Gr-1^+$ myeloid-derived suppressor cells (MDSCs). Intriguingly, anti-CD137 mAb injection significantly increased $CD11b^+Gr-1^+$ cells, peaking at days 5 to 10 and continuing for at least 25 days. Furthermore, this cell population could suppress both $CD8^+$ T cells and $CD4^+$ T cells. Thus, this study demonstrated that, for the first time, anti-CD137 mAb treatment could induce $CD11b^+Gr-1^+$ MDSCs under normal conditions, suggesting a possible relationship between myeloid cell induction and CD137-mediated immune suppression.

Comparison of Immunomodualtory Effects of Water-extracted Aconiti lateralis Preparata Radix, Zingiberis Rhizoma, Cinnamomi Cortex and Evodiae Fructus (온리약인 부자, 건강, 육계, 오수유의 면역조절효과 비교)

  • Son, Gil-Hyun;Shin, Sang-Woo;Kwon, Young-Kyu;Kim, Sang-Chan;Park, Jong-Hyun
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.19 no.4
    • /
    • pp.1000-1010
    • /
    • 2005
  • This study was carried out to investigate the comparison of immunomodualtory effects of water-extracted Aconiti lateralis Preparata Radix(PR), Zingiberis Rhizoma(ZR), Cinnamomi Cortex(CC) and Evodiae Fructus(EF). The parameter examined to assess apparent immunomodulatory effect of the water-extracted PR, ZR, CC and EF included the regulation of Nitric oxide (NO). Also, ZR and EF represent the expression of Th1/Th2 type cytokine, the change of B cell phenotype. The water-extracted PR, ZR, CC and EF inhibited NO production and iNOS protein expression in LPS stimulated RAW 264.7 macrophage cells. In the Th1 and Th2 cytokine expression, the water-extracted ZR and EF induced IL-2, IFNr and IL-10 mRNA gene expression. Therefore, it seems that the water-extracted ZR and EF have a inducing effect of Th1 and Th2 type cytokines. In the Flow cytometry analysis, the water-extracted ZR and EF changed B cell phenotype (CD45R/B220), did NOT in PR and CC. The water-extracted PR, ZR, CC and EF have a reducing effect of immune suppression cause by Methotrexate (MTX), an agent of immune suppression. These results suggest that the immunomodulatory effects of the water-extracted ZR and EF may be, in part, associated with the inducing IL-2 and IFNr mRNA gene expression In and regulation of NO production in macrophage cells.

Suppression of DNCB-induced Dermatitis in NC/Nga Murine Model by Yanghyulyoonbu-tang (NC/Nga 아토피 피부염 생쥐 모델에서의 양혈윤부탕(養血潤膚湯) 효과)

  • Park, Byung-Jun;Choi, Jeong-June;Kim, Soo-Myung;Lee, Yong-Koo
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.21 no.2
    • /
    • pp.392-398
    • /
    • 2007
  • Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by inflammatory cell infiltration in the skin. This study was performed to assess the therapeutic effects of YHYBT on the DNCB-induced dermatitis in NC/Nga mice, characterized by the onset of AD along with an increase the number of Th2 cells and dysregulation of inflammaroty mediators including cytokines and chemokines. YHYBT administration significantly reduced clinical dermatitis severity including pruritus, edema, eczematous and erythema. Histological findings indicated that the thickening of epidermis/dermis and dermal infiltration of inflammatory cells including mast cells were dramatically reduced. The suppression of dermatitis by YHYBT was accompanied by a decrease in the total number of immune cells in drained lymph node (DLN) and skin. Especially CD3+, CD4+ and CD3+CD69+ T cells in PBMC and DNL were greatly reduced. The level of IL-4 in CD3/CD28 activated splenocyte was downregulated, whereas that of IFN-'처리불가‘ was increased. Furthermore, the expression of eotaxin2 and CCR3 in skin were significanlty decreased. These data suggest that YHTBT may be effective therapeutic agents for the treatment of AD.

Suppression of DNCB-induced Dermatitis in NC/Nga Murine Model by Biheoonsupbang (비허온습방(脾虛蘊濕方)이 NC/Nga 아토피피부염 생쥐 모델의 피부 및 면역학적 변화에 미치는 영향)

  • Kim, Jung-Hwan;Choi, Jeong-June;Koo, Young-Sun;Roh, Seong-Soo;Kim, Dong-Hee
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.21 no.3
    • /
    • pp.714-720
    • /
    • 2007
  • Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by inflammatory cell infiltration in the skin. This study was performed to assess the therapeutic effects of BHOSB on the DNCB-induced dermatitis in NC/Nga mice, characterized by the onset of AD along with an increase the number of inflammatory cells and dysregulation of inflammatory mediators including cytokines and chemokines. BHOSB administration significantly reduced clinical dermatitis severity including pruritus, edema, eczematous and erythema. Histological findings indicated that the thickening of epidermis/dermis and dermal infiltration of inflammatory cells including mast cells were dramatically reduced. The suppression of dermatitis by BHOSB was accompanied by a decrease in the number of CD11b$^+$/Gr-1$^+$ immune cells in skin but not CD3$^+$/CCR3$^+$ cells. However, the number of CD3$^+$ cells was increased in BHOSB administrated NC/Nga mice. Oral administration of BHOSB significantly reduced the level of IL-6, TNF-a and eotaxin 2 mRNA in skin. These data suggest that BHOSB may be effective therapeutic agents for the treatment of AD.

The Use of Gui-Pi-Tang in Small Animals with Immune-Mediated Blood Disorders (면역매계성 혈액장애를 가진 소동물에서 귀비탕의 사용)

  • Busta, Isabelle;Xie, Huisheng;Kim, Min-Su
    • Journal of Veterinary Clinics
    • /
    • v.26 no.2
    • /
    • pp.181-184
    • /
    • 2009
  • Immune-mediated hemolytic anemia(IMHA) is one of the most common causes of anemia in small animals and immune-mediate thrombocytopenia(IMT) is also an immune mediated disease that affects small animals. The initial treatment for IMHA and IMT is medical suppression of the immune system with glucocorticoids and other immunosuppressive drugs. However, even with appropriate treatments, some animals are not responsive to the treatment and may need further immunosuppressive therapies or some alternative medicines. An eight-year-old spayed female Siamese cat with IMHA and an eight-year-old castrated male King Charles Spaniel dog with IMT were referred to the traditional medical service of the veterinary medical center. Both animals were unresponsive to steroids or other immunosuppressive treatments. Gui-Pi-Tang, one of the traditional herbal medicines, was administered to the animals. After 1-month of Gui-Pi-Tang administration, the packed cell volume(PCV) of the cat and platelets count of the dog had showed remarkable improvement. After four months of follow up in the cat, and 18 months of follow up in the dog, the improved PCV and platelet counts of the animals were maintained normally. Therefore, Gui-Pi-Tang might be considered as an alternative treatment in small animals with immune-mediated blood disorders.

Differential Modulation of ST36 Stimulation on Interleukin-6-Induced Changes of Afferent Somatosensory Transmissionto the SI Cortex of Rats (족삼리(足三里)의 전침자극(電鍼刺戟)이 흰쥐의 중추신경계(中樞神經系)에서 Interleukin-6 의 활성(活性)에 미치는 영향(影響) -구심성(求心性) 체감각(體感覺) 정보전달(情報傳達)을 중심(中心)으로-)

  • Lee, Hye-Jung;Shin, Hyung-Cheul;Jin, Soo-Hee;Son, Yang-Son;Yun, Dong-Hak;Lim, Sabina
    • Journal of Acupuncture Research
    • /
    • v.17 no.4
    • /
    • pp.41-50
    • /
    • 2000
  • Objectives : Acupuncture is expected to have somewhat like the efficacy parallel increasing activity of immune system in Western modem medicine. There, already, are many animal researches on activating effect of acupuncture for the immune system in peripheral organs. So, we carried out this experiment to see whether acupuncture has controlling effect on interleukin-6(IL-6) activity in rat's brain. Methods and Results : We had topical application of IL-6(1U=lpg, $10{\mu}l$) on brain of rat. It reduced afferent sensory transmission to the primary somatosensory(SI) cortex from periphery. Whereas, electrical stimulation(ES, 2Hz, 1.5V, 15min) of ST36(足三里) with application of IL-6 prominently activated afferent sensory transmission. ES of non-acupoint(proximal tail) with IL-6 showed suppression of afferent transmission. ES of ST36 without IL-6 application also exerted facilitation of afferent transmission to the SI cortex. Conclusions : Electoacupuncture(EA) on ST36 has noticeable influences on modulating activation of IL-6 in central nervous system, which do major role in immune system.

  • PDF

STUDIES ON IMMUNOTOXIC POTENTIAL OF METHAMPHETAMINE (MA) IN Balb/C MICE II. The Functional Alteration of Effector Cells in Immune System

  • Lim, Chae-Woong;Rim, Byung-Moo;Lee, Ho-Il;Kim, Sang-Ho
    • Toxicological Research
    • /
    • v.11 no.1
    • /
    • pp.15-21
    • /
    • 1995
  • Several populations of lymphocytes possess receptors for autonomic neurotransmitter, which make lymphocytes susceptible to autonomic stimulation. This study was to evaluate the functional alternation of effector cells of the immune system. Female Balb/C mice, 15-20 g, were injected with MA subcutaneously under various conditions. Mixed lymphocyte reaction (MLR) showed certain T cell subsets were affected by MA. The level of interleukin-2 (IL-2) production was inhibited due to a defect in expression of the IL-2 receptor. In mice injected with 20 mg MA/kg, 1 day before assay, phagocytosis of peritoneal macrophages showed $14.07\pm3%$, which was similar degree to 5 mg MA/kg treatment for 4 consecutive days. Phagocytosis was almost recovered to that of control after 4 day in 20 mg/kg injected mice. Maximum inhibition of plaque forming cell (PFC) occurred when MA was given early, indicating the inductive time point of antibody production was affected. The cortisol level increased in the MA treated group (0.05, 0.20, and $0.08{\mu}g$/dl for control, low, and high dose-MA treated mice, respectively). Based on these results, MA has general suppression effects on the immune systems by functional alteration of effector cells. Considering the increment of serum cortisol levels, MA partially impacts the neuroendocrine system to lead to failure of immune response.

  • PDF

Suppression of Spontaneous Dermatitis in Nc/Nga Atopic Model by Gamipaidok-san, a Traditional Herbal Medicine (가미패독산(加味敗毒散) 경구 투여에 의한 Nc/Nga 생쥐의 아토피 피부염 억제 작용)

  • Jin, Ga-Hyun;Jin, Mi-Rim;Choi, Jeung-Mok;Yun, Mi-Young;Kim, Dong-Hee
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.20 no.4
    • /
    • pp.866-874
    • /
    • 2006
  • Atopic dermitiis(AD) is a chronic inflammatory skin disease, which requires safe and effective medicinal therapy. Over production of Th2 cytokines and chemokines as well as IgE, which are mediated by highly activated immune cells, have been considered as pathologic factors in this disease. We found that Gamipaidok-san(GPDS), which is a traditional herbal medicine clinically prescribing for atopic dermitis patients in the hospital, has suppressive effects on the development of DNC8 induced dermatitis in Nc/Nga atopic model. Oral administration of GPDS at the concentration of 250 mg/Kg for 12 weeks significantly suppressed the clinical severity of the dermatitis including pruities, edema, eczematous and dryness. Histological examination revealed that thickness of dermis and epidermis were considerably reduced, and the number of infiltrated inflammatory immune cells including mast cells, CCR3+, and CD4+ T cells were decreased in the affected skin and ear, and consistantly, the number of CD3+/CCR3+ cells in Iymph nodes were decreased. The levels of Th2 cytokines produced by activated splenocyte from atopic mice were also down-regulated by GPDS. Furthermore, the serum levels of IgE were considerably reduced, which accompanied by a decrease in the number of B220+IgE+ B cells in the Iymph nodes. Taken together, these results suggested that oral administration of GPDS, a traditional herbal medicine, has suppressive effects on atopic dermitis of Nc/Nga mouse by the modulation of the immune system, therefore GPDS has potential as a natural therapeutic for treatment of atopic dermatitis.