• 제목/요약/키워드: Graft-versus-host diseases

검색결과 21건 처리시간 0.022초

Prevention of Macrophage-Related Inflammatory Diseases by Allergina

  • Han, Sang-B.;Lee, Chang-W.;Park, Song-K.;Yoon, Won-K.;Moon, Jae-S.;Lee, Ki-H.;Kim, Hyung-C.;Kim, Hwan-M.
    • Archives of Pharmacal Research
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    • 제26권4호
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    • pp.312-316
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    • 2003
  • The oriental herbal combination allergina has been shown to inhibit allergic inflammation. In the present study, we demonstrate that the oral administration of allergina markedly inhibits the progression of inflammatory diseases, such as graft-versus-host diseases (in the allogeneic bone marrow transplantation and the parent-into-F1 transplantation models), collagen-induced arthritis and sheep red blood cell-induced delayed type hypersensitivity. The immunosuppressive activity of allergina in vivo appears to be associated, at least in part, with the inhibition of tumor necrosis factor-a production. In conclusion, our results suggest that allergina could be useful as a immunosuppressive agent for the treatment of macrophage-related inflammatory disease.

Anti-CD137 mAb Deletes Both Donor $CD4^+$ and $CD8^+$ T Cells in Acute Graft-versus-host Disease

  • Kim, Ju-Yang;Cho, Hong-Rae;Kwon, Byung-Suk
    • IMMUNE NETWORK
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    • 제11권6호
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    • pp.428-430
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    • 2011
  • We previously demonstrated that in vivo engagement of CD137, a member of TNF receptor superfamily, can delete allorective $CD4^+$ T cells through the induction of activation-induced cell death (AICD) in chronic graft-versus-host disease (cGVHD) and subsequently reverse established cGVHD. In this study, we further showed that agonistic anti-CD137 mAb was highly effective in triggering AICD of donor $CD8^+$ T cells as well as donor $CD4^+$ T cells in the $C57BL/6{\rightarrow}unirradiated$ $(C57BL/6\;{\times}\;DBA/2)F1$ acute GVHD model. Our results suggest that strong allostimulation should facilitate AICD of both alloreactive $CD4^+$ and $CD8^+$ T cells induced by CD137 stimulation. Therefore, depletion of pathogenic T cells using agonistic anti-CD137 mAb combined with potent TCR stimulation may be used to block autoimmune or inflammatory diseases mediated by T cells.

Mesenchymal Stem Cell Lines Isolated by Different Isolation Methods Show Variations in the Regulation of Graft-versus-host Disease

  • Yoo, Hyun Seung;Yi, TacGhee;Cho, Yun Kyoung;Kim, Woo Cheol;Song, Sun U.;Jeon, Myung-Shin
    • IMMUNE NETWORK
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    • 제13권4호
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    • pp.133-140
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    • 2013
  • Since the discovery of the immunomodulation property of mesenchymal stem cells (MSCs) about a decade ago, it has been extensively investigated whether MSCs can be used for the treatment of immune-related diseases, such as graft versus-host disease (GvHD). However, how to evaluate the efficacy of human MSCs for the clinical trial is still unclear. We used an MHC-mismatched model of GvHD (B6 into BALB/c). Surprisingly, the administration of the human MSCs (hMSCs) could reduce the GvHD-related mortality of the mouse recipients and xenogeneically inhibit mouse T-cell proliferation and $IFN-{\gamma}$ production in vitro. We recently established a new protocol for the isolation of a homogeneous population of MSCs called subfractionation culturing methods (SCM), and established a library of clonal MSC lines. Therefore, we also investigated whether MSCs isolated by the conventional gradient centrifugation method (GCM) and SCM show different efficacy in vivo. Intriguingly, clonal hMSCs (hcMSCs) isolated by SCM showed better efficacy than hMSCs isolated by GCM. Based on these results, the MHC-mismatched model of GvHD may be useful for evaluating the efficacy of human MSCs before the clinical trial. The results of this study suggest that different MSC lines may show different efficacy in vivo and in vitro.

Regulatory T Cell Therapy for Autoimmune Disease

  • Ha, Tai-You
    • IMMUNE NETWORK
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    • 제8권4호
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    • pp.107-123
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    • 2008
  • It has now been well documented in a variety of models that T regulatory T cells (Treg cells) play a pivotal role in the maintenance of self-tolerance, T cell homeostasis, tumor, allergy, autoimmunity, allograft transplantation and control of microbial infection. Recently, Treg cell are isolated and can be expanded in vitro and in vivo, and their role is the subject of intensive investigation, particularly on the possible Treg cell therapy for various immune-mediated diseases. A growing body of evidence has demonstrated that Treg cells can prevent or even cure a wide range of diseases, including tumor, allergic and autoimmune diseases, transplant rejection, graft-versus-host disease. Currently, a large body of data in the literature has been emerging and provided evidence that clear understanding of Treg cell work will present definite opportunities for successful Treg cell immunotherapy for the treatment of a broad spectrum of diseases. In this Review, I briefly discuss the biology of Treg cells, and summarize efforts to exploit Treg cell therapy for autoimmune diseases. This article also explores recent observations on pharmaceutical agents that abrogate or enhance the function of Treg cells for manipulation of Treg cells for therapeutic purpose.

골수이식 후 만성 이식편대숙주질환으로 발생한 폐쇄성 세기관지염에 의한 이차성 재발성 기흉 1례 (Recurrent Secondary Pneumothorax Caused by Bronchiolitis Obliterans Due to Chronic Graft Versus Host Disease in a Patient with Chronic Myelogenous Leukemia after Allogenic Bone Marrow Transplantation)

  • 안철민;황상연;변민광;이진형;정우영;문진욱;박무석;민유홍;김세규;장준;김성규;김혜령;김호근;김영삼
    • Tuberculosis and Respiratory Diseases
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    • 제57권2호
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    • pp.183-187
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    • 2004
  • 저자들은 30세 남자 환자에서 골수이식 후 발생한 만성 이식편대숙주질환에 의한 폐쇄성 세기관지염으로 인하여 발병한 이차성 재발성 기흉의 임상적 진단 및 스테로이드와 면역 억제제 치료 후 호전된 증례를 경험하였기에 이에 문헌 고찰과 함께 보고하는 바이다.

Association of FOXP3 Single Nucleotide Polymorphisms With Clinical Outcomes After Allogenic Hematopoietic Stem Cell Transplantation

  • Nam, Minjeong;Shin, Sue;Park, Kyoung Un;Kim, Inho;Yoon, Sung-Soo;Kwon, Tack-Kyun;Song, Eun Young
    • Annals of Laboratory Medicine
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    • 제38권6호
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    • pp.591-598
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    • 2018
  • Background: Forkhead box P3 (FOXP3) is an important marker of regulatory T cells. FOXP3 polymorphisms are associated with autoimmune diseases, cancers, and allograft outcomes. We examined whether single nucleotide polymorphisms (SNPs) at the FOXP3 locus are associated with clinical outcomes after allogenic hematopoietic stem cell transplantation (HSCT). Methods: Five FOXP3 SNPs (rs5902434, rs3761549, rs3761548, rs2232365, and rs2280883) were analyzed by PCR-sequencing of 172 DNA samples from allogenic HSCT patients. We examined the relationship between each SNP and the occurrence of graft-versus-host disease (GVHD), post-HSCT infection, relapse, and patient survival. Results: Patients with acute GVHD (grades II-IV) showed higher frequencies of the rs3761549 T/T genotype, rs5902434 ATT/ATT genotype, and rs2232365 G/G genotype than did patients without acute GVHD (P =0.017, odds ratio [OR]=5.3; P =0.031, OR=2.4; and P =0.023, OR=2.6, respectively). Multivariate analysis showed that the TT genotype of rs3761549 was an independent risk factor for occurrence of acute GVHD (P =0.032, hazard ratio=5.6). In contrast, the genotype frequencies of rs3761549 T/T, rs5902434 ATT/ATT, and rs2232365 G/G were lower in patients with post-HSCT infection than in patients without infection (P =0.026, P =0.046, and P =0.031, respectively). Conclusions: rs3761549, rs5902434, and rs2232365 are associated with an increased risk of acute GVHD and decreased risk of post-HSCT infection.

Allergina inhibits the progression of graft rejection, hypersensitivity, and collagen-induced autoimmune arthritis

  • Lee, C-W;Han, S-B;Yoon, P-S;Jeong, C-M;Lee, M-L;Kim, K-M;Yoon, Y-D;Kim, H-C;Park, S-K
    • 한국독성학회:학술대회논문집
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    • 한국독성학회 2002년도 Molecular and Cellular Response to Toxic Substances
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    • pp.181-181
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    • 2002
  • The herbal combination allergina has been used for the treatment of inflammatory diseases in South Korea. In this study, we investigated the immunosuppressive activities of allergina in more detail. Acute graft-versus-host disease (GVHD) is a major cause of morbidity and mortality in patients undergoing allogeneic bone marrow transplantation.(omitted)

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조혈줄기세포이식후 발생한 이식편대숙주병의 구강병소에 대한 최소침습적 레이저조직생검 증례 (Minimally Invasive Laser-Assisted Biopsy of the Oral Lesions for Oral Graft-Versus-Host Disease after Hematopoietic Stem-Cell Transplantation)

  • 김윤미;윤희정;김현실;김기덕;정복영;방난심;박원서
    • Journal of Oral Medicine and Pain
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    • 제37권3호
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    • pp.147-154
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    • 2012
  • 조혈줄기세포이식은 면역 결핍 질환, 자가 면역 질환, 악성 조혈 종양의 주된 치료법이다. 이종 조혈줄기세포이식의 주요한 합병증은 이식편대 숙주질환이다. 구강 점막 생검은 이식편대 숙주 질환의 확진과 치료계획 수립을 위해 필요하나 영양 결핍과 화학 요법으로 인해 전신상태가 불량한 환자에게 출혈과 균혈증을 일으킨다. 본 논문에서는 레이저를 이용한 최소 침습적 조직생검의 효능을 평가하였다. 모두 3개의 증례가 소개되었고 모든 환자의 의료 기록, 임상 사진, 조직병리학적 결과가 레이저를 이용한 조직생검의 효능을 평가하기 위해 검토되었다. 모든 환자는 생검 후 불편감이 없었고 심각한 합병증이 발생하지 않았다. 생검 조직의 질이 이식편대 숙주 질환을 확진하는 데에 적당했다. 구강 점막의 레이저를 이용한 최소 침습적 생검은 통상의 조직병리학적 생검에 비해 출혈을 일으키지 않아 감염과 균혈증, 술 후 흉터 생성을 줄이므로 이식편대 숙주 질환의 확진에 이로울 것이다.

T Lymphocyte Development and Activation in Humanized Mouse Model

  • Lee, Ji Yoon;Han, A-Reum;Lee, Dong Ryul
    • 한국발생생물학회지:발생과생식
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    • 제23권2호
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    • pp.79-92
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    • 2019
  • Humanized mice, containing engrafted human cells and tissues, are emerging as an important in vivo platform for studying human diseases. Since the development of Nod scid gamma (NSG) mice bearing mutations in the IL-2 receptor gamma chain, many investigators have used NSG mice engrafted with human hematopoietic stem cells (HSCs) to generate functional human immune systems in vivo, results in high efficacy of human cell engraftment. The development of NSG mice has allowed significant advances to be made in studies on several human diseases, including cancer and graft-versus-host-disease (GVHD), and in regenerative medicine. Based on the human HSC transplantation, organ transplantation including thymus and liver in the renal capsule has been performed. Also, immune reconstruction of cells, of the lymphoid as well as myeloid lineages, has been partly accomplished. However, crosstalk between pluripotent stem cell derived therapeutic cells with human leukocyte antigen (HLA) mis/matched types and immune CD3 T cells have not been fully addressed. To overcome this hurdle, human major histocompatibility complex (MHC) molecules, not mouse MHC molecules, are required to generate functional T cells in a humanized mouse model. Here, we briefly summarize characteristics of the humanized mouse model, focusing on development of CD3 T cells with MHC molecules. We also highlight the necessity of the humanized mouse model for the treatment of various human diseases.

Immunosuppressive activity of Allergina

  • Lee, Chang-Woo;Han, Sang-Bae;Yoon, Pyoung-Seoub;Jeong, Chan-Mook;Lee, Myoung-Lyel;Kim, Kwan-Min;Yoon, Yeo-Dae;Kim, Hyung-Chin;Park, Song-Kyu;Kim, Hwan-Mook
    • 대한약학회:학술대회논문집
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    • 대한약학회 2002년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.261.3-262
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    • 2002
  • The herbal combination allergina has been used for the treatment of inflammatory diseases in South Korea. In this study. we investigated the immunosuppressive activities of allergina in more detail. Acute graft-versus-host disease (GVHD) is a major cause of morbidity and mortality in patients undergoing allogeneic bone marrow transplantation. (omitted)

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