Transplantation science最新文献

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Recurrence of hepatitis C following liver transplantation: treatment with interferon. 肝移植后丙型肝炎复发:干扰素治疗。
Transplantation science Pub Date : 1994-12-01
D H Van Thiel, S Fagiuoli, P Caraceni, A Nadir, H I Wright
{"title":"Recurrence of hepatitis C following liver transplantation: treatment with interferon.","authors":"D H Van Thiel, S Fagiuoli, P Caraceni, A Nadir, H I Wright","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 Suppl 1 ","pages":"S26-8"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18549974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cytokines and transplantation: a clinical perspective. 细胞因子与移植:临床视角。
Transplantation science Pub Date : 1994-12-01
R S Gaston
{"title":"Cytokines and transplantation: a clinical perspective.","authors":"R S Gaston","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Cytokines are endogenous small peptides that regulate cell growth and proliferation. In allogeneic transplantation, they function as critical immunologic mediators. Allograft rejection is dependent on interactions between antigen-presenting cells, T lymphocytes, accessory molecules, and proinflammatory cytokines (interleukins-1, -2, and -6; interferon-gamma; and tumor necrosis factors). Alternatively, other cytokines (interleukins-4, -5, and -10; transforming growth factor-beta) may suppress allograft rejection. Observation and manipulation of cytokine responses are an essential component of the immunopharmacology and clinical management of transplant recipients. Specific areas of interest include immunologic monitoring, pharmacologic immunosuppression, monoclonal antibody development, induction of tolerance, and the OKT3-related cytokine release syndrome. This review explores the impact of advances in cytokine physiology and biotechnology on clinical transplantation.</p>","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 Suppl 1 ","pages":"S9-19"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18632325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Induction with OKT3 and prostaglandin E1 in liver transplantation. OKT3和前列腺素E1在肝移植中的诱导作用。
Transplantation science Pub Date : 1994-12-01
R A Fisher, M Posner, M L Shiffman, L Wolfe, H M Lee
{"title":"Induction with OKT3 and prostaglandin E1 in liver transplantation.","authors":"R A Fisher,&nbsp;M Posner,&nbsp;M L Shiffman,&nbsp;L Wolfe,&nbsp;H M Lee","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Forty-six consecutive adult patients underwent 51 orthotopic liver transplants in a prospective study to evaluate sequential induction with ORTHOCLONE OKT3 (muromonab-CD3), prostaglandin E1, cyclosporine, azathioprine, and methylprednisolone. Infection prophylaxis included preoperative bowel preparation and ganciclovir if cytomegalovirus was diagnosed in either donor or recipient. All rejection episodes were documented by liver biopsy before treatment. Seventy-four percent of patients evaluable beyond 1 year have had no rejection episodes. The retransplant rate was 10%, with a 4% primary nonfunction rate. There was no rejection of grafts that could not be retreated with OKT3. Forty-two percent (5 of 12) of rejection episodes responded to steroid recycling alone. The infection rates for all patients at 1 year were 54% bacterial, 17% fungal, and 22% viral. Three septic deaths were attributed to overimmunosuppression. Two-year patient and graft survival rates were 80% and 72%, respectively. This OKT3 induction protocol results in limited rejection episodes without increasing infections, yielding an acceptably low rate of graft loss.</p>","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 Suppl 1 ","pages":"S1-8"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18632323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Induction therapy with OKT3 in pediatric liver-transplant recipients. OKT3在儿童肝移植受者中的诱导治疗。
Transplantation science Pub Date : 1994-12-01
F C Ryckman, T J Schroeder, S H Pedersen, V S Dittrich, W F Balistreri
{"title":"Induction therapy with OKT3 in pediatric liver-transplant recipients.","authors":"F C Ryckman,&nbsp;T J Schroeder,&nbsp;S H Pedersen,&nbsp;V S Dittrich,&nbsp;W F Balistreri","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The goal of any posttransplant immunosuppressive regimen is to prevent allograft rejection while minimizing infectious complications. We hypothesized that sequential induction immunotherapy using the monoclonal antibody ORTHOCLONE OKT3 (muromonab-CD3) would meet these objectives effectively. We have therefore used such a protocol since July 1988 for all pediatric patients undergoing liver transplantation at Children's Hospital Medical Center of Cincinnati. Initial immunotherapy consisted of OKT3, administered preoperatively and then QD, methylprednisolone, and azathioprine. Cyclosporine was begun on POD 3-5, and OKT3 was discontinued when therapeutic cyclosporine levels were achieved for 48 hours. Rejection has not occurred throughout the lifetime of the allograft in 55% of long-term survivors. In the 28 patients who experienced rejection episodes, 71% had a single episode, 21% had two episodes, and 7% had a single episode, 21% had two episodes, and 7% had more than two. Rejection occurring after more than 120 days was invariably associated with noncompliance or subtherapeutic cyclosporine levels. The use of an OKT3-based sequential induction protocol resulted in a decreased incidence of acute rejection. Renal function was preserved, and the incidence of infection was not increased. Long-term outcome analysis of this protocol shows excellent patient survival and the near absence of late or chronic rejection.</p>","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 Suppl 1 ","pages":"S20-5"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18632324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Skin cancer in renal transplant recipients. 肾移植受者的皮肤癌。
Transplantation science Pub Date : 1994-09-01
A G Sheil
{"title":"Skin cancer in renal transplant recipients.","authors":"A G Sheil","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 1","pages":"42-5"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18803847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Secondary malignancies after marrow transplantation for leukemia or aplastic anemia. 白血病或再生障碍性贫血骨髓移植后继发恶性肿瘤。
Transplantation science Pub Date : 1994-09-01
R P Witherspoon, H J Deeg, R Storb
{"title":"Secondary malignancies after marrow transplantation for leukemia or aplastic anemia.","authors":"R P Witherspoon,&nbsp;H J Deeg,&nbsp;R Storb","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>We conclude that the most common secondary cancers which develop after marrow transplantation are lympho-proliferative disorders and solid tumors. The consequences of the secondary malignancies are serious, with more than 90% of the patients with non-Hodgkin lymphomas associated with EBV infection and more than 75% of the patients with solid tumors dying despite treatment. Secondary leukemia developing in donor T-s is rare, but was fatal in all cases. EBV infection plays a major role in leading to the non-Hodgkin lymphomas in a setting of immune dysregulation from ATG or anti-T-cell monoclonal antibody treatment of acute GVHD. Other factors are also important for development of non-Hodgkin lymphoma and include T-cell depletion of donor marrow and HLA-mismatching between donor and recipient, known to lead to dysregulation of T-lymphocyte function. These factors set up an environment of proliferative stimuli which cannot be controlled by the recovering immune system, setting the stage for a secondary cancer. The role of irradiation is becoming more prominent in association with solid tumors, particularly in aplastic anemia patients conditioned with irradiation. The final event of tumor expression is most likely the result of a cascade of events, perhaps initiated with the conditioning regimen or with stimuli to proliferation, which, after later signals, leads to malignant transformation. For lymphoproliferative disorders, the time of latency is shorter than for solid tumors, suggesting a different molecular mechanism. The incidence of oncogene expression or mutation in tumor suppressor genes in these solid tumor patients has not been investigated.(ABSTRACT TRUNCATED AT 250 WORDS)</p>","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 1","pages":"33-41"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18803846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carcinoma of the vulva in renal transplant patients. 肾移植患者的外阴癌。
Transplantation science Pub Date : 1994-09-01
I Blohmé
{"title":"Carcinoma of the vulva in renal transplant patients.","authors":"I Blohmé","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 1","pages":"6-7; discussion 7-8"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18803850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epstein-Barr virus, infectious mononucleosis, and posttransplant lymphoproliferative disorders. EB病毒、传染性单核细胞增多症和移植后淋巴增生性疾病。
Transplantation science Pub Date : 1994-09-01
M A Nalesnik, T E Starzl
{"title":"Epstein-Barr virus, infectious mononucleosis, and posttransplant lymphoproliferative disorders.","authors":"M A Nalesnik,&nbsp;T E Starzl","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>PTLD may be considered as an \"opportunistic cancer\" in which the immunodeficiency state of the host plays a key role in fostering the environment necessary for abnormal lymphoproliferation. The following discussion reflects our own current thoughts regarding events which may result in PTLD and its sequelae. Many of the individual steps have not been rigorously proved or disproved at this point in time. Following transplantation and iatrogenic immunosuppression, the host:EBV equilibrium is shifted in favor of the virus. Most seronegative patients will become infected either via the graft or through natural means; seropositive patients will begin to shed higher levels of virus and may become secondarily superinfected via the graft. There is a \"grace\" period of approximately one month posttransplant before increased viral shedding begins. PTLD is almost never seen during this interval. In many cases infection continues to be silent whereas in rare individuals there is an overwhelming polyclonal proliferation of infected B lymphocytes. This is the parallel of infectious mononucleosis occurring in patients with a congenital defect in virus handling (X-linked lymphoproliferative disorder). It is possible that transplant patients with this presentation also suffer a defect in virus handling. In other cases excessive iatrogenic immunosuppression may paralyze their ability to respond to the infection. With CsA and FK506 regimens, individual tumors may occur within a matter of months following transplant. The short time of incubation suggests that these are less than fully developed malignancies. It may be that local events conspire to allow outgrowth of limited numbers of B-lymphocyte clones. A cytokine environment favoring B-lymphocyte growth may be one factor and differential inhibition by the immuno-suppressive drugs of calcium-dependent and -independent B-cell stimulation may be another. In addition, there is some evidence that CsA itself may inhibit apoptosis within B cells. Since most patients do not develop PTLDs, an additional signal(s) for B-cell stimulation may be required. Indeed, it is possible that the virus may simply serve to lower the threshold for B-cell activation and/or provide a survival advantage to these cells. The ability of individual cell clones to evade a weakened immune system may set into play a Darwinian type of competition in which the most rapidly proliferating cells with the least number of antigenic targets predominate. In this regard, differences in host HLA types may determine the repertoire of viral antigens which are subject to attack.(ABSTRACT TRUNCATED AT 400 WORDS)</p>","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 1","pages":"61-79"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2979327/pdf/nihms240746.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18803855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cytomegalovirus infection in living related liver transplantation: rapid diagnosis by human monoclonal antibody staining of blood leucocytes. 活体肝移植中巨细胞病毒感染:人白细胞单克隆抗体快速诊断
Transplantation science Pub Date : 1994-09-01
K Sano, K Tanaka, S Uemoto, S Fujita, Y Tokunaga, Y Inomata, K Ozawa, Y Minamishima
{"title":"Cytomegalovirus infection in living related liver transplantation: rapid diagnosis by human monoclonal antibody staining of blood leucocytes.","authors":"K Sano,&nbsp;K Tanaka,&nbsp;S Uemoto,&nbsp;S Fujita,&nbsp;Y Tokunaga,&nbsp;Y Inomata,&nbsp;K Ozawa,&nbsp;Y Minamishima","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Symptomatic cytomegalovirus (CMV) infection is a major cause of morbidity and mortality following orthotopic liver transplantation. Early detection and prompt treatment with appropriate medicine are crucial for successful outcome. As an early detection method, we used the CMV antigenemia test which is based on immunocytochemical detection of CMV immediate early antigens in blood leucocytes. CMV immediate early antigens were detected in blood leucocytes with direct immunoperoxidase technique using a horseradish peroxidase (HRP)-conjugated F(ab')2 fragment of human monoclonal antibody (humab C7), designated HRP-C7. Of the 37 living related liver transplantations we performed on pediatric patients between June 1990 and August 1992, we experienced four cases (10.8%) of symptomatic CMV infection: three CMV hepatitis and one CMV peritonitis. They were all treated successfully with a combination of ganciclovir and immunoglobulins. In ABO-incompatible cases ganciclovir was administered prophylactically. Early detection using this method is though to have led to these successful outcomes. It is concluded that HRP-C7 staining of blood leucocytes is useful for the rapid diagnosis of CMV infection.</p>","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 1","pages":"105-11"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18535000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inhibition of in vitro immunoglobulin production by a novel immunosuppressive drug brequinar sodium. 新型免疫抑制药物布雷奎那钠对体外免疫球蛋白产生的抑制作用。
Transplantation science Pub Date : 1994-09-01
A Moudgil, M Toyoda, S J Wang, B D Jaffee, D V Cramer, L Makowka, S Jordan
{"title":"Inhibition of in vitro immunoglobulin production by a novel immunosuppressive drug brequinar sodium.","authors":"A Moudgil,&nbsp;M Toyoda,&nbsp;S J Wang,&nbsp;B D Jaffee,&nbsp;D V Cramer,&nbsp;L Makowka,&nbsp;S Jordan","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":79385,"journal":{"name":"Transplantation science","volume":"4 1","pages":"116-8"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18535001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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