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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
61

Pharmacogenetic and pharmacokinetic studies of cyclophosphamide : in cell, animal and human /

Xie, Hanjing, January 2004 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2004. / Härtill 5 uppsatser.
62

The effects of CNS-accessible multiple sclerosis-directed immuno-modulatory therapies on oligodendroglial lineage cells, myelin maintenance, and remyelination /

Miron, Veronique. January 2008 (has links)
No description available.
63

INFLUENCE OF CYCLOPHOSPHAMIDE ON THE RESPONSE OF MICE TO BOVINE AND PORCINE TRANSFER FACTOR.

CLARK, PAUL DOUGLAS. January 1982 (has links)
Cyclophosphamide (CY) was injected intraperitoneally into mice at varying dosage levels 48 hours prior to intravenous inoculation of constant amounts of dialysable leucocytic transfer factor (TF). Bovine TF to coccidioidin and Brucella abortus and porcine TF to Mycobacterium avium were used. Twenty-four hours after TF injections, mice were tested for delayed hypersensitivity by footpad inoculation with specific antigens. The results show that CY slightly enhanced the delayed hypersensitivity response to the specific test antigens in all three systems. This was not true at every CY dose level, however, since there was a correlation between the dosage of CY and the time of peak footpad swelling. Cyclophosphamide at a low level (20 mg/kg body wt) caused the maximal reading at 24 hours after test, whereas the high level dose (200 mg/kg) showed greatest thickening of the footpad at 48 hours. Transfer factor dosage differences appeared to change the response relatively little, if at all. The cyclophosphamide dose response, on the other hand, showed disparities among various antigen systems and at the different observation times. Under these conditions, no consistent, striking effects of CY on transfer could be noted.
64

Identificação de um gene de Leishmania major relacionado à resistência a ciclosporina A / -

Marco, Rogério Milton De 20 August 2004 (has links)
A Ciclosporina A (CsA) faz parte de um grupo de oligopeptidios cíclicos e hidrofóbicos, produzida naturalmente por fungos. Este composto além de ser um potente imunossupressor pode também apresentar uma série de outros efeitos fisiológicos como atividade antiinflamatória e antialérgica, ou mesmo efeitos anti fúngicos e antiparasitários. Partimos de uma genoteca genômica de L. (L.) major cepa Friedlin A1 (LmFA1) construída no cosmídio cLHYG, que teve o seu DNA transfectado em promastigotas para em seguida as células serem submetidas aos experimentos de superexpressão gênica em presença de concentrações crescentes de CsA. Foram selecionados dois loci capazes de conferir resistência a CsA. Um desses loci (contendo cerca de 30 - 40 kb) foi mapeado e caracterizado após análises do perfil de digestão com diferentes enzimas de restrição, e da transfecção de algumas deleções em células LmFA1, que após amplificação gênica, foram submetidas a testes funcionais em presença de CsA. Apesar de valores baixos dos índices de resistência obtidos com os testes funcionais, foi possível identificar nesse locus um gene que após seqüenciamento parcial de nucleotídeos e análises comparativas no banco genômico de leishmânia, revelou a presença de uma fase aberta de leitura contendo 1 844 aminoácidos que codifica para uma proteína de membrana pertencente a família das transportadoras ABC e que parece estar relacionada com a resistência a CsA. Essa proteína, denominada LmABC-CR1, possui alta identidade com uma transportadora ABC de L. (L.) tropica (95,5%), e baixa identidade (27,2%) com uma outra transportadora ABC de LmFA1 isolada por nosso grupo e relacionada com a resistência a Pentamidiana (PRP1). A análise molecular dos DNAs das espécies, L. (L.) amazonensis, L. (V.) braziliensis, L. (L.), chagasi e L. (L.) major demonstrou um relativo polimorfismo do gene LmABC-CR1 nestas espécies. O papel dessa nova proteína na resistência a CsA frente a diferentes espécies de leishmânia deverá ser melhor estudado / Cyclosporin A (CsA) is a cyclic hydrophobic oligopeptide naturally produced by fungus. Besides this drug is usually known as a potent immunosupressor, it also presents a couple of other physiologic activities as anti-inflammatory, anti-allergic, or even acting as fungicidal and anti-parasitic. Starting from an L. (L.) major Friedlin A1 (LmFA1) genomic library constructed into the cLHYG shuttle vector, DNA was transfected on promastigotes, and cells submitted to over expression in the presence of increasing concentrations of CsA. Two loci were selected capable to render cells CsA resistance after transfection.One of those loci (containing about 30 - 40 kb) was mapped after analyses of the restriction enzymes pattern, and characterized by transfection of its deletions in LmFA1 cells, which after gene amplification, were submitted to functional tests in the presence of CsA. In spite of low of resistance indexes values after functional tests, it was possible to identify a gene that after partial nucleotides sequencing and comparison with leishmania genomic bank data indicated the presence of an open reading containing 1 844 amino acids codifying a membrane protein from the ABC transporter family that seems to be related with CsA resistance (LmABC-CR1). LmABC-CR1 presents high identity (95,5%) with a L. (L.) tropica ABC transporter protein, and low identity (27,2%) with another LmFA1 ABC transporter (PRP1) isolated by us, and related with Pentamidine resistance. Southern blot analysis with L. (L.) amazonensis, L. (V.) braziliensis, L. (L.), chagasi and L. (L.) major genomic DNA shown a relative polymorphism of LmABC-CR1 gene in this species. The role of this new protein on the CsA resistance in leishmania species should be further studied
65

The role of curcumin in human dendritic cell maturation and function /

Shirley, Shawna A. January 2008 (has links)
Dissertation (Ph.D.)--University of South Florida, 2008. / Includes vita. Includes bibliographical references. Also available online.
66

Effects of Angelica sinensis polysaccharides on changes of immune and gastrointestinal systems induced by cyclophosphamide in mice

Hui, King-cheung., 許景祥. January 2005 (has links)
published_or_final_version / Medical Sciences / Master / Master of Medical Sciences
67

Cyclosporin A-induced gingival overgrowth in renal transplant patients : a clinical, histological and experimental study /

Wondimu, Biniyam, January 1900 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst. / Härtill 6 uppsatser.
68

Studies of novel immunosuppressive agents in experimental arthritis /

Dang, Thi Ngoc Dzung, January 2006 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2006. / Härtill 4 uppsatser.
69

Tolerance to neonatal porcine islet xenografts induced by a combination of monoclonal antibodies

Arefanian, Hossein. January 2009 (has links)
Thesis (Ph.D.)--University of Alberta, 2009. / A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Experimental Surgery, Department of Surgery. Title from pdf file main screen (viewed on August 29, 2009). Includes bibliographical references.
70

Identificação de um gene de Leishmania major relacionado à resistência a ciclosporina A / -

Rogério Milton De Marco 20 August 2004 (has links)
A Ciclosporina A (CsA) faz parte de um grupo de oligopeptidios cíclicos e hidrofóbicos, produzida naturalmente por fungos. Este composto além de ser um potente imunossupressor pode também apresentar uma série de outros efeitos fisiológicos como atividade antiinflamatória e antialérgica, ou mesmo efeitos anti fúngicos e antiparasitários. Partimos de uma genoteca genômica de L. (L.) major cepa Friedlin A1 (LmFA1) construída no cosmídio cLHYG, que teve o seu DNA transfectado em promastigotas para em seguida as células serem submetidas aos experimentos de superexpressão gênica em presença de concentrações crescentes de CsA. Foram selecionados dois loci capazes de conferir resistência a CsA. Um desses loci (contendo cerca de 30 - 40 kb) foi mapeado e caracterizado após análises do perfil de digestão com diferentes enzimas de restrição, e da transfecção de algumas deleções em células LmFA1, que após amplificação gênica, foram submetidas a testes funcionais em presença de CsA. Apesar de valores baixos dos índices de resistência obtidos com os testes funcionais, foi possível identificar nesse locus um gene que após seqüenciamento parcial de nucleotídeos e análises comparativas no banco genômico de leishmânia, revelou a presença de uma fase aberta de leitura contendo 1 844 aminoácidos que codifica para uma proteína de membrana pertencente a família das transportadoras ABC e que parece estar relacionada com a resistência a CsA. Essa proteína, denominada LmABC-CR1, possui alta identidade com uma transportadora ABC de L. (L.) tropica (95,5%), e baixa identidade (27,2%) com uma outra transportadora ABC de LmFA1 isolada por nosso grupo e relacionada com a resistência a Pentamidiana (PRP1). A análise molecular dos DNAs das espécies, L. (L.) amazonensis, L. (V.) braziliensis, L. (L.), chagasi e L. (L.) major demonstrou um relativo polimorfismo do gene LmABC-CR1 nestas espécies. O papel dessa nova proteína na resistência a CsA frente a diferentes espécies de leishmânia deverá ser melhor estudado / Cyclosporin A (CsA) is a cyclic hydrophobic oligopeptide naturally produced by fungus. Besides this drug is usually known as a potent immunosupressor, it also presents a couple of other physiologic activities as anti-inflammatory, anti-allergic, or even acting as fungicidal and anti-parasitic. Starting from an L. (L.) major Friedlin A1 (LmFA1) genomic library constructed into the cLHYG shuttle vector, DNA was transfected on promastigotes, and cells submitted to over expression in the presence of increasing concentrations of CsA. Two loci were selected capable to render cells CsA resistance after transfection.One of those loci (containing about 30 - 40 kb) was mapped after analyses of the restriction enzymes pattern, and characterized by transfection of its deletions in LmFA1 cells, which after gene amplification, were submitted to functional tests in the presence of CsA. In spite of low of resistance indexes values after functional tests, it was possible to identify a gene that after partial nucleotides sequencing and comparison with leishmania genomic bank data indicated the presence of an open reading containing 1 844 amino acids codifying a membrane protein from the ABC transporter family that seems to be related with CsA resistance (LmABC-CR1). LmABC-CR1 presents high identity (95,5%) with a L. (L.) tropica ABC transporter protein, and low identity (27,2%) with another LmFA1 ABC transporter (PRP1) isolated by us, and related with Pentamidine resistance. Southern blot analysis with L. (L.) amazonensis, L. (V.) braziliensis, L. (L.), chagasi and L. (L.) major genomic DNA shown a relative polymorphism of LmABC-CR1 gene in this species. The role of this new protein on the CsA resistance in leishmania species should be further studied

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