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Therapeutic immunology最新文献

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Rational development of tumour antigen-specific immunization in melanoma. 肿瘤抗原特异性免疫在黑色素瘤中的合理发展。
Therapeutic immunology Pub Date : 1995-08-01
T F Gajewski, F Fallarino
{"title":"Rational development of tumour antigen-specific immunization in melanoma.","authors":"T F Gajewski,&nbsp;F Fallarino","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The identification and molecular characterization of antigens expressed on tumour cells, but not on most normal host tissues, has opened the possibility of specific immunization in the therapy of cancer, particularly of melanoma. Most antigens defined are class I MHC-binding peptides recognized by CD8+ cytolytic T lymphocytes (CTL). Methodologies for active immunization to induce effective anti-tumour CTL are under development in a number of laboratories, and some of these approaches have entered clinical trials. Optimization of the anti-tumour immune response will depend on a thorough knowledge of the signals required for T cell activation, differentiation, and inactivation.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 4","pages":"211-25"},"PeriodicalIF":0.0,"publicationDate":"1995-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20289713","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
Ex-vivo whole blood cultures for predicting cytokine-release syndrome: dependence on target antigen and antibody isotype. 体外全血培养预测细胞因子释放综合征:依赖于靶抗原和抗体同型。
Therapeutic immunology Pub Date : 1995-08-01
M G Wing, H Waldmann, J Isaacs, D A Compston, G Hale
{"title":"Ex-vivo whole blood cultures for predicting cytokine-release syndrome: dependence on target antigen and antibody isotype.","authors":"M G Wing,&nbsp;H Waldmann,&nbsp;J Isaacs,&nbsp;D A Compston,&nbsp;G Hale","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Ex-vivo whole blood assays have been evaluated for their ability to accurately predict the risk of a first-dose cytokine reaction developing in vivo following therapeutic antibody infusion. Tumour necrosis factor alpha (TNF alpha) release was rapidly detected in cultures incubated with either anti-CD52 antibodies of the human IgG1 or rat IgG2b isotype, and to a lesser extent with a human IgG4 isotype. Endotoxin contamination of the antibodies was not responsive for cytokine release, since polymixin B failed to inhibit cytokine release using concentrations of this antibiotic which neutralized the enhanced cytokine release seen from LPS-spiked antibody. A rat IgG2b antibody to CD45 and a human IgG1 anti-CD3 also induced significant TNF release, however, an aglycosyl anti-CD3 mutant devoid of adverse side-effects in vivo, did not result in cytokine release in vitro. Since the pattern of cytokine release seen following the clinical use of these antibodies was in good agreement with the findings of the ex-vivo whole cultures, this demonstrates the usefulness of this assay to predict cytokine release in vivo.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 4","pages":"183-90"},"PeriodicalIF":0.0,"publicationDate":"1995-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20289710","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
Potential use of in vitro anterior chamber-associated immune deviation (ACAID) for the immunotherapeutic prevention of autoimmune disease and graft rejection. 体外前房相关免疫偏差(ACAID)在免疫治疗预防自身免疫性疾病和移植物排斥反应中的潜在应用
Therapeutic immunology Pub Date : 1995-08-01
S B Koevary
{"title":"Potential use of in vitro anterior chamber-associated immune deviation (ACAID) for the immunotherapeutic prevention of autoimmune disease and graft rejection.","authors":"S B Koevary","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 4","pages":"203-10"},"PeriodicalIF":0.0,"publicationDate":"1995-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20289712","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
The development of anti-CD79 monoclonal antibodies for treatment of B-cell neoplastic disease. 抗cd79单克隆抗体治疗b细胞肿瘤的研究进展。
Therapeutic immunology Pub Date : 1995-08-01
L Zhang, R R French, H T Chan, T L O'Keefe, M S Cragg, M J Power, M J Glennie
{"title":"The development of anti-CD79 monoclonal antibodies for treatment of B-cell neoplastic disease.","authors":"L Zhang,&nbsp;R R French,&nbsp;H T Chan,&nbsp;T L O'Keefe,&nbsp;M S Cragg,&nbsp;M J Power,&nbsp;M J Glennie","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The B-cell antigen receptor (BCR) consists of cell surface IgM associated with the CD79 alpha/beta heterodimer. In this paper we describe a panel of monoclonal antibodies (mAbs) recognising the extracellular regions of human CD79 alpha and beta. FACS analysis demonstrated that the mAbs bind to a range of Burkitt's lymphoma lines, a mouse B-cell line (JO-72) transfected with human CD79 alpha and beta, and tumour biopsies from NHL patients. The specificity of the mAbs was confirmed by immunoprecipitation. The Ka for the binding of IgG from the anti-CD79 alpha mAbs to cell surface CD79 alpha on Ramos cells was 3 x 10(8) M-1, and their maximum level of binding, 1.7-2 x 10(5) molecules/cell, matched that obtained with anti-Fc mu and anti-Fd mu mAbs. All four anti-CD79 beta mAbs were of lower affinity. Interestingly, in growth arrest studies, we found that while all anti-Fc mu mAbs caused profound inhibition of proliferation of Ramos cells, a range of other anti-BCR mAbs, which included the anti-CD79, anti-Fab mu, anti-gamma and anti-idiotype reagents, all performed poorly giving a maximum of 25% inhibition. These differences in performance are believed to relate to the ability of anti-BCR mAbs to cross-link neighbouring surface BCR and suggest that, unlike anti-Fc mu which favours cross-linking, most of these mAbs are binding in a monogamous, non-cross-linking, union with the BCR.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 4","pages":"191-202"},"PeriodicalIF":0.0,"publicationDate":"1995-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20289711","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
Development of a hormone neutralizing vaccine, using GnRH-glycys-PPD, for use in the treatment of oestrogen-dependent disorders. 开发一种激素中和疫苗，使用gnrh - glyyss - ppd，用于治疗雌激素依赖性疾病。
Therapeutic immunology Pub Date : 1995-06-01
V A Ferro, J E O'Grady, J Notman, W H Stimson
{"title":"Development of a hormone neutralizing vaccine, using GnRH-glycys-PPD, for use in the treatment of oestrogen-dependent disorders.","authors":"V A Ferro,&nbsp;J E O'Grady,&nbsp;J Notman,&nbsp;W H Stimson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The aim of this study was to develop an effective and nontoxic vaccine, suitable for use in humans, which was capable of effectively controlling oestrogen levels. Female Sprague-Dawley rats were immunized with a conjugated analogue of gonadotrophin releasing hormone, GnRH-glycys-PPD. This resulted in high levels of neutralizing antibody which disrupted GnRH function and consequently caused a reduction in serum oestrogen. The effect of oestrogen deprivation correlated well with ovarian failure and gonadal atrophy. An examination was made of various adjuvants in conjunction with the analogue to determine the suitability of the combinations in the formulation of an effective human vaccine. This investigation included a novel adjuvant, non-ionic surfactant vesicles (NISV); the results showed that NISV are completely nontoxic and in terms of potentiating and sustaining an immune response, compare favourably with Freund's adjuvant and alum. In addition the long term effects of immunization were investigated and the data showed that immunoneutralization of GnRH effectively suppresses fertility on a long-term basis.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 3","pages":"147-57"},"PeriodicalIF":0.0,"publicationDate":"1995-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19850160","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
Tumour dormancy and cell signalling--III: Role of hypercrosslinking of IgM and CD40 on the induction of cell cycle arrest and apoptosis in B lymphoma cells. 肿瘤休眠和细胞信号传导——III: IgM和CD40超交联在B淋巴瘤细胞周期阻滞和细胞凋亡诱导中的作用
Therapeutic immunology Pub Date : 1995-06-01
R Marches, E Racila, T F Tucker, L Picker, P Mongini, R Hsueh, E S Vitetta, R H Scheuermann, J W Uhr
{"title":"Tumour dormancy and cell signalling--III: Role of hypercrosslinking of IgM and CD40 on the induction of cell cycle arrest and apoptosis in B lymphoma cells.","authors":"R Marches,&nbsp;E Racila,&nbsp;T F Tucker,&nbsp;L Picker,&nbsp;P Mongini,&nbsp;R Hsueh,&nbsp;E S Vitetta,&nbsp;R H Scheuermann,&nbsp;J W Uhr","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Polyclonal anti-IgM antibodies were more effective than monoclonal antibodies in inducing dormancy in SCID mice bearing a murine B lymphoma (BCL1). Under saturating conditions, both polyclonal and monoclonal anti-Ig antibodies induced cell cycle arrest (CCA) in both BCL1 cells and human B lymphoma cells (Daudi) but polyclonal antibodies were far more effective at inducing apoptosis. A mixture of several monoclonal antibodies specific for noncrossreactive epitopes on C mu mimicked the effects of a polyclonal anti-mu. Hypercrosslinking mIgM by a polyclonal antibody against the primary monoclonal anti-mu markedly increased apoptosis and CCA. Hence, the extent of crosslinking of IgM and the resultant singnalling may be a major factor in inducing and maintaining dormancy and in determining whether lymphoma cells respond by apoptosis or CCA. In contrast to mIgM, another B cell receptor, CD40, which induces CCA when crosslinked did not induce apoptosis after hypercrosslinking. The results are consistent with the hypothesis that aspects of the CCA and apoptotic pathways are independent. When anti-CD40 was added with anti-mu to Daudi cells, the proportion of cells undergoing apoptosis was increased.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 3","pages":"125-36"},"PeriodicalIF":0.0,"publicationDate":"1995-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19850158","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
Cytotoxic lymphocytes: redirecting the cell-mediated immune response for the therapy of cancer. 细胞毒性淋巴细胞:重定向细胞介导的免疫反应治疗癌症。
Therapeutic immunology Pub Date : 1995-06-01
M H Kershaw, J A Trapani, M J Smyth
{"title":"Cytotoxic lymphocytes: redirecting the cell-mediated immune response for the therapy of cancer.","authors":"M H Kershaw,&nbsp;J A Trapani,&nbsp;M J Smyth","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Cytotoxic CD8+ T cells and NK cells are involved in the elimination of some viruses, graft rejection, antitumour responses, immunoregulation and some autoimmune diseases. The key role of these cells in each of these immune responses and the therapeutic potential they offer when effectively harnessed, has warranted continued interest in their function. A molecular approach has dominated the recent study of cytotoxic lymphocyte function, allowing the characterization of recognition structures on cytotoxic lymphocytes, the definition of two distinct mechanisms of cytotoxicity and the elucidation of their relevance in vivo. Currently, biological and genetic experimental approaches which exploit the targeted cytolytic activity of lymphocytes are being developed for cancer therapy. A greater understanding of the biology of cytotoxic lymphocytes when adoptively transferred, the development of re-engineered mAbs with tailored properties and the characterization of newly defined endogenous tumour cell antigens, has brought us to the brink of using these cells to greater therapeutic advantage. This review briefly examines ongoing efforts to characterize the mechanism of action of cytotoxic lymphocytes and describes the progression of approaches designed to enhance the anti-tumour activity of these cells.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 3","pages":"173-81"},"PeriodicalIF":0.0,"publicationDate":"1995-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19849489","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
Antitumour activity of a melanoma-specific immunotoxin, ME20-LysPE40. 黑色素瘤特异性免疫毒素ME20-LysPE40的抗肿瘤活性。
Therapeutic immunology Pub Date : 1995-06-01
E A Wolff, I Hellström, D F Chace, K E Hellström, C B Siegall
{"title":"Antitumour activity of a melanoma-specific immunotoxin, ME20-LysPE40.","authors":"E A Wolff,&nbsp;I Hellström,&nbsp;D F Chace,&nbsp;K E Hellström,&nbsp;C B Siegall","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An immunotoxin conjugate has been prepared by linking an internalizing antibody with melanoma selectivity, ME20, with a binding-defective form of Pseudomonas exotoxin A, LysPE40. ME20-LysPE40 binds to a 105,000 Da cell-surface antigen present on melanoma cells (ME20-M) within twofold of unmodified ME20 and was cytotoxic to two human melanoma cell lines, H3606 and MALME-3M, with EC50 values of 100 and 200 pM, respectively. Immunotoxin treatment, initiated 1 day following subcutaneous implantation of H3606 melanoma cells into mice, prevented outgrowth of tumour xenografts in > 50% of the mice. In contrast, only a modest inhibition in tumour growth was observed if the immunotoxin was administered 5 days after implantation of in vivo passaged H3606 tumour fragments in mice. This study shows that the internalizing monoclonal antibody ME20 IgG can be used for targeting a toxin toward melanoma cells displaying the ME20-M antigen.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 3","pages":"137-45"},"PeriodicalIF":0.0,"publicationDate":"1995-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19850159","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
Immunomodulation by LFA3TIP, an LFA-3/IgG1 fusion protein: cell line dependent glycosylation effects on pharmacokinetics and pharmacodynamic markers. LFA-3/IgG1融合蛋白LFA3TIP的免疫调节作用:细胞系依赖糖基化对药代动力学和药效学标志物的影响
Therapeutic immunology Pub Date : 1995-06-01
W Meier, A Gill, M Rogge, R Dabora, G R Majeau, F B Oleson, W E Jones, D Frazier, K Miatkowski, P S Hochman
{"title":"Immunomodulation by LFA3TIP, an LFA-3/IgG1 fusion protein: cell line dependent glycosylation effects on pharmacokinetics and pharmacodynamic markers.","authors":"W Meier,&nbsp;A Gill,&nbsp;M Rogge,&nbsp;R Dabora,&nbsp;G R Majeau,&nbsp;F B Oleson,&nbsp;W E Jones,&nbsp;D Frazier,&nbsp;K Miatkowski,&nbsp;P S Hochman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>LFA3TIP, a fusion protein comprised of the first extracellular domain of LFA-3 fused to the hinge, CH2, and CH3 domains of human IgG1 inhibits responses of human and non-human primate T cells in vitro. In seeking to optimize the expression efficiency to prepare large quantities of LFA3TIP for primate studies, the protein was produced in both the CHO (Chinese hamster ovary) and murine NS-0 myeloma cell lines. Although LFA3TIP derived from these cell lines performs identically in vitro in CD2 receptor binding and T cell assays, examination of a pharmacodynamic marker-the reduction in CD2+ lymphocyte numbers-following the administration of equal doses of NS-0 or CHO derived LFA3TIP to baboons, suggested that the effect of the NS-0 derived material was less sustained. Pharmacokinetic analysis of the materials in baboons and mice shows that LFA3TIP produced by NS-0 cells is rapidly cleared from circulation relative to the product derived from CHO cells. The disparate clearance profiles correlate with distinct glycosylation patterns, with LFA3TIP derived from NS-0 cells being less extensively sialylated than that from CHO cells due in part to alpha-galactosyl capping of selected lactosamine moieties in the N-linked glycans of NS-0 derived LFA3TIP. Moreover, enzymatic desialylation of CHO derived LFA3TIP results in a glycoprotein with an evanescent serum profile when administered to mice and baboons. These results correlate the extent of N-acetylneuraminic acid capping with the clearance rates of LFA3TIP derived from the two distinct cell lines, and underscore the importance of evaluating glycosylation dependent PK parameters when choosing production cell lines for recombinant immunotherapeutics.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 3","pages":"159-71"},"PeriodicalIF":0.0,"publicationDate":"1995-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19850161","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
The effector functions of immunoglobulins: implications for therapy. 免疫球蛋白的效应功能:对治疗的影响。
Therapeutic immunology Pub Date : 1995-04-01
E S Ward, V Ghetie
{"title":"The effector functions of immunoglobulins: implications for therapy.","authors":"E S Ward,&nbsp;V Ghetie","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effector functions of immunoglobulins of the G class (IgGs) are essential for their effective use in therapy. The functions that operate following complex formation with cognate antigen involve binding to C1q (to mediate complement fixation) and the Fc receptors, Fc gamma RI, II and III. Another class of functions that is independent of antigen binding encompasses the transfer of antibodies across the placenta and maintaining the levels in the serum. All effector functions of IgGs are conferred by sequences in the Fc region of antibodies, and this review discusses the localisation of the functions to specific amino acid residues. Such knowledge is of use for the further improvement of IgCs for therapy.</p>","PeriodicalId":23039,"journal":{"name":"Therapeutic immunology","volume":"2 2","pages":"77-94"},"PeriodicalIF":0.0,"publicationDate":"1995-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19702787","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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