• Title/Summary/Keyword: immunological response

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Immunomodulatory Response Induced by Ginseng

  • Kumar, Ashok
    • Journal of Ginseng Research
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    • v.27 no.3
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    • pp.115-119
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    • 2003
  • There has been continuing interest in the development of synthetic and natural compounds that modify the immune response particularly for the treatment of AIDS and cancer. During the past fifty years, numerous scientific studies have been published on ginseng. Modem human studies have investigated preventive effect of ginseng on several kinds of cancer, its long term immunological effect on HIV patients, its effect on cell mediated immune functions in healthy volunteers. Similarly non clinical studies on animal model system have studied the chemopreventive action of ginseng on cancer and immunological properties of ginseng. The precise mechanism of action of ginseng, however, not clearly understood. Considering its wide-ranging therapeutic effects, this study is being undertaken to elucidate the general mode of action of ginseng, especially to test our hypothesis that its biological action may be mediated by the immune system.

Effects of chloramphenicol on chemiluminescence response of leukocytes isolated from olive flounder, Paralichthys olivaceus (양식산 넙치, Paralichthys olivaceus 식세포의 식작용 활성에 미치는 chloramphenicol의 영향)

  • Seo, Jeong-Su;Jeong, So-Jeong;Lee, Sang-Hwan;Kim, Na-Yeong;Eom, Hye-Gyeong;Heo, Min-Do;Jeong, Hyeon-Do;Jeong, Jun-Gi
    • Journal of fish pathology
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    • v.17 no.3
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    • pp.217-222
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    • 2004
  • This study was performed to investigate the immunological side effects of chloramphenicol (CAP) on olive flounder, Paralichthys olivaceus. To investigate immunological effects on olive flounder, we determined the changes of chemiluminescence (CL) response of flounder kidney-derived leucocyte after the treatment of CAP in vivo and in vitro. The CL activity was significantly decreased in a dose-dependent manner during the treatment of CAP in vitro. Similarly, a dose-dependent reduction of CL response, although not significant, were observed during the treatment of CAP in vivo. The results suggest that CAP reduced the function of flounder phagocytosis in vivo and in vitro, indicating the immunosuppressive ability of CAP.

Immunological Changes on Allergic Response after Beevenom Immunotherapy (봉독 면역요법후의 면역학적 변화에 대한 고찰 -알레르기 질환에 응용 가능성을 중심으로-)

  • Han, Dong-Ha
    • Journal of Pharmacopuncture
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    • v.7 no.3
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    • pp.27-35
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    • 2004
  • Beevenom immunotherapy(BVIT) in allergic patients is a well-established treatment modality for the prevention of systemic anaphylactic reactions caused by insect stings. BVIT is accompanied by increases in allergen-specific IgG, particularly the IgG4 isotype, which blocks not only IgE-dependent histamine release from basophils but also IgE-mediated antigen presentation to T cells. Inhibition of T cells after BVIT also involves decreased induction of the costimulatory molecule ICOS, which, in turn, seems to be dependent on the presence of IL-10, also associated with the inhibited status of T cells after BVIT. Suppression of T cells by IL-10 is an active process, which depends on the expression and participation of CD28. Immune tolerance in specific allergen immunotherapy might be a consequence of decreased Th2 or increased Th1 response of allergen specific T lymphocytes. BVIT shifted cytokine responses to allergen from a TH-2 to a TH-1 dominant pattern, suggesting direct effects on T cells. Many studies showed that severe side effects due to venom immunotherapy are rare. These results suggest that immunological changes after BVIT may be applied to be therapeutic alternative of general allergic diseases including beevenom allergy.

Induction of Immunological Tolerance by Treatment of Ginseng Extract (인삼 엑기스의 경구 면역 관용에 관한 연구)

  • 배만종
    • The Korean Journal of Food And Nutrition
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    • v.9 no.2
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    • pp.176-180
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    • 1996
  • In order to develop new bioactive functions ginseng extract, it was studies whether the ginseng extracts on the induction of immunological tolerance In mice. Oral immunologic tolerance was induced by the secondary exposure of egg albumin + alum following gastrointestinal exposure nth egg albumin In mice, and the effect on anti EA antibody in blood, 7 cell subset in spleen were Investigated. The results obtained were as follows. EA group and EA + GE group was capable of conferring tolerance, contained a profound for 5 weeks experimental but saline group restricted to induce tolerance. GE group did not show the activity of tolerance by the first immunogens exposure, but induced the tolerance by the secondary exposure. And also spleen T cells, CD 8+ and CD 4+ were decreased. These results suggested that ginseng may affect the induction of immunological tolerance, which may be associated proliferative response of CD 4+ and CD 8+ in splenocyte.

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The Impact of Nanomaterials in Immune System

  • Jang, Jiyoung;Lim, Dae-Hyoun;Choi, In-Hong
    • IMMUNE NETWORK
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    • v.10 no.3
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    • pp.85-91
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    • 2010
  • As a nanotechnology has been actively applied to the overall areas of scientific fields, it is necessary to understand the characteristic features, physical behaviors and the potential effects of exposure to nanomaterials and their toxicity. In this article we review the immunological influences induced by several nanomaterials and emphasize establishment of the animal models to estimate the impact of these nanomaterials on development of immunological diseases.

Study on Anti-allergic Effects of Electroacupuncture in Allergic Mouse Model

  • Yoon Ji-Won;Jeong Kyoung-Ah;Cho Zang-Hee;Sung Kang-Keyng
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.20 no.1
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    • pp.196-201
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    • 2006
  • Electroacupuncture(EA) is commonly used in various diseases. In the present study, the effect of EA in the allergic mouse model was examined. Allergy is generated via immunological mechanism and non-immunological mechanism. Mast cells activated dy those mechanisms get to release various substances such as histamine, leukotrienes, prostaglandin, TNF-$\alpha$, IL-4, IL-6, etc. which induce allergic reactions and the following inflammatory responses. To evaluate the anti-allergic effects of EA, mortality, ear swelling response, vascular permeability and cytokine secretion were investigated in EA group and non-EA group of which mice were compound 48/80-induced allergy model or PCA model. Compound 48/80 induces allergic reaction via non-immunological mechanism and PCA model is generated through the same mechanism with immediate-type(Type1) allergic reaction, one of immunological allergic reactions. EA inhibited compound 48/80-induced ear swelling response but did not inhibit the systemic anaphylaxis. EA also inhibited passive cutaneous anaphylaxis(PCA) activated dy anti-dinitrophenol IgE. In addition, EA inhibited IL-6 and TNF-$\alpha$ secretion from 48 h PCA in mice. These results indicate that EA may be used for the treatment of mast cell-mediated allergic diseases, especially immediate-type(Type 1) allergy and non-immunologically mediated allergy.

Effects of Epimedii Herba Fraction on Response in ICR Mice (음양곽분획물이 생쥐의 면역반응에 미치는 영향)

  • Kim, Joung-Hoon;Kim, In-Hoon;Chae, Byeong-Suk;Kang, Tae-Wook;Park, Chan-Bong;Ahn, Young-Keun
    • YAKHAK HOEJI
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    • v.40 no.2
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    • pp.230-237
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    • 1996
  • The fractions of Epimedii Herba were examined for the immunological effects in ICR mice. Mice were divided into 4 groups and administered orally the fractions of Epimedii Herba for 10 days. The results of this study were summarized as following: (1) The fraction 1 (EtOAc layer) administered group as compared with control group significantly decreased spleen weight, Arthus reaction and hemagglutination (HA) titer but significantly increased circulating white blood cells (WBC). (2) The fraction 2 ($H_20$ layer) administered group as compared with control group significantly decreased liver weight, Arthus reaction and HA titer but significantly increased WBC. (3) The fraction 3 (ppt) administered group as compared with control group significantly increased liver weight, thymus weight rate, delayed type hypersensitivity, phagocytic activity and WBC. The results showed that Frs. 1 and 2 administered groups reduced humoral immune response but increased WBC, and that Fr. 3 administered group increased cell-mediated immune response, phagocytic activity and WBC.

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Immunomodulatory Response Induced by Ginseng

  • Kumar Ashok
    • Proceedings of the Ginseng society Conference
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    • 2002.10a
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    • pp.366-375
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    • 2002
  • There has been continuing interest in the development of synthetic and natural compounds that modify the immune response particularly for the treatment of AIDS and cancer. During the past fifty years, numerous scientific studies have been published on ginseng (Foster and Chongxi, 1992). Modern human studies have investigated preventive effect of ginseng on several kinds of cancer (Yun et al, 1993,Yun, 1995,Yun and Choi, 1998), its long term immunological effect on HIV patients (Sankang, 1989, Cho et al, 1997), its effect on cell mediated immune functions in healthy volunteers (Scaglione et al, 1990). Similarly non clinical studies on animal model system have studied the chemopreventive action of ginseng on cancer (Kumar, 1993,98) and immunological properties of ginseng (Kim et al, 1990, Tomoda et al, 1993, Yun et al, 1993, Mizuno et al, 1994,Lee et al, 1997, Park et al, 2001,Yoshikawa et al, 2001, Wang et al, 2001). The precise mechanism of action of ginseng, however, not clearly understood. Considering its wide-ranging therapeutic effects, this study is being undertaken to elucidate the general mode of action of ginseng, especially to test our hypothesis that its biological action may be mediated by the immune system.

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Immunogenicity of botulinum toxin

  • Wee, Syeo Young;Park, Eun Soo
    • Archives of Plastic Surgery
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    • v.49 no.1
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    • pp.12-18
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    • 2022
  • Botulinum toxin treatment is the most common non-surgical cosmetic treatment. Although there are many available treatments using botulinum toxin, their effects are temporary and repeated injections are required. These frequent injections can trigger an immunological response. In addition, botulinum toxin acts as an antigen in the body; thus, its effect disappears progressively due to this immunological reaction, which may cause treatment failure. Active botulinum toxin consists of a core neurotoxin and complexing proteins, the exact effects of which remain unclear. However, the complexing proteins are closely related to the immune response and the formation of neutralizing antibodies. Since neutralizing antibodies can lead to treatment failure, their formation should be prevented. Furthermore, various methods of detecting neutralizing antibodies have been used to predict treatment failure.