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Academic literature on the topic 'B-Zellentwicklung'
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Journal articles on the topic "B-Zellentwicklung"
Bach, M. P., D. Schneider, and H. Jumaa. "Autoreaktivität in der B-Zellentwicklung." Zeitschrift für Rheumatologie 73, no. 1 (February 2014): 62–64. http://dx.doi.org/10.1007/s00393-013-1234-6.
Full textDissertations / Theses on the topic "B-Zellentwicklung"
Hömig, Cornelia. "Einfluss der Epstein-Barr-Virus Proteine LMP1 und EBNA2 auf die B-Zellentwicklung in vivo." Diss., lmu, 2005. http://nbn-resolving.de/urn:nbn:de:bvb:19-50253.
Full textDahler, Anja Christina. "Die Rolle von ICOS auf die B-Zelldifferenzierung in einem in vivo Modell." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2009. http://dx.doi.org/10.18452/15989.2.
Full textThe inducible costimulator ICOS, structural and functional similar to CD28, plays an important regulatory role in T cell receptor function. The ICOS deficiency in humans is described as a severe dysfunction of the humoral immune response, resulting in dramatic reduced B cell numbers and impaired antibody response against pathogens. The murine ICOS-deficiency also leads to a disturbed T cell dependent immune response resulting in a reduced germinal center formation. Various in vitro and in vivo studies attributes this phenomenon to impaired upregulation of cell surface communication molecules and cytokine synthesis by ICOS-deficient T cells. In this work the investigations with ICOS KO mice should clarify the impact of ICOS in B cell development. As observed, ICOS can only play a role in the late phase B cell development, because the interaction partner is expressed on transitional B cells in the spleen. The establishment of an in vivo adoptive T-B transfer system could determine for the first time the role of ICOS in T-B cooperation in early immune response stages on antigen specific T and B cell levels. As shown, ICOS deficiency influences in a dramatic extend the B cell expansion and B cell proliferation. For the first time in vivo, we could demonstrate that ICOS plays a significant role by influencing the regulation of various B cell surface markers, which affects the B cell activation, B cell proliferation and B differentiation in germinal center or plasma cell reaction. Histological investigations revealed in the ICOS-deficiency that follicular T helper cells could not migrate into the germinal center microenvironment and therefore could not provide T cell help for B cells. As a result, the germinal center reaction could not maintained and therefore the formation of little germinal centers occurred. The missing interaction between T and B cells leads to a dysfunction in plasma cell generation and also influences the detectable amounts of serum immunglobulines. An administration of higher ICOS KO T cell numbers could not fully compensate these effects. Therefore, ICOS bias multitudes of additional factors, which are responsible for the ICOS dependent B cell effects.
Händschke, Kathrin [Verfasser], Bertram [Akademischer Betreuer] Opalka, and Karl Sebastian [Akademischer Betreuer] Lang. "Rolle des von-Hippel-Lindau-Proteins in der Regulation der B-Zellentwicklung / Kathrin Händschke. Gutachter: Bertram Opalka ; Karl Sebastian Lang." Duisburg, 2013. http://d-nb.info/1041224303/34.
Full textKriebitzsch, Neele-Margarete [Verfasser], and Carol [Akademischer Betreuer] Stocking. "Funktion des Transkriptionsfaktors Runx1 in der frühen B-Zellentwicklung in Mus musculus (Linnaeus, 1758) / Neele-Margarete Kriebitzsch. Betreuer: Carol Stocking." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2015. http://d-nb.info/1068316675/34.
Full textDahler, Anja Christina. "Die Rolle von ICOS auf die B-Zelldifferenzierung in einem in vivo Modell." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2010. http://dx.doi.org/10.18452/15989.
Full textThe inducible costimulator ICOS, structural and functional similar to CD28, plays an important regulatory role in T cell receptor function. The ICOS deficiency in humans is described as a severe dysfunction of the humoral immune response, resulting in dramatic reduced B cell numbers and impaired antibody response against pathogens. The murine ICOS-deficiency also leads to a disturbed T cell dependent immune response resulting in a reduced germinal center formation. Various in vitro and in vivo studies attributes this phenomenon to impaired upregulation of cell surface communication molecules and cytokine synthesis by ICOS-deficient T cells. In this work the investigations with ICOS KO mice should clarify the impact of ICOS in B cell development. As observed, ICOS can only play a role in the late phase B cell development, because the interaction partner is expressed on transitional B cells in the spleen. The establishment of an in vivo adoptive T-B transfer system could determine for the first time the role of ICOS in T-B cooperation in early immune response stages on antigen specific T and B cell levels. As shown, ICOS deficiency influences in a dramatic extend the B cell expansion and B cell proliferation. For the first time in vivo, we could demonstrate that ICOS plays a significant role by influencing the regulation of various B cell surface markers, which affects the B cell activation, B cell proliferation and B differentiation in germinal center or plasma cell reaction. Histological investigations revealed in the ICOS-deficiency that follicular T helper cells could not migrate into the germinal center microenvironment and therefore could not provide T cell help for B cells. As a result, the germinal center reaction could not maintained and therefore the formation of little germinal centers occurred. The missing interaction between T and B cells leads to a dysfunction in plasma cell generation and also influences the detectable amounts of serum immunglobulines. An administration of higher ICOS KO T cell numbers could not fully compensate these effects. Therefore, ICOS bias multitudes of additional factors, which are responsible for the ICOS dependent B cell effects.
Brachs, Sebastian [Verfasser], and Hans-Martin [Akademischer Betreuer] Jäck. "Untersuchungen zur Funktion des murinen Proteins EFhd2-Swiprosin-1 in der B Zellentwicklung und Immunantwort in vivo / Sebastian Brachs. Betreuer: Hans-Martin Jäck." Erlangen : Universitätsbibliothek der Universität Erlangen-Nürnberg, 2012. http://d-nb.info/1023597454/34.
Full textDütting, Sebastian [Verfasser]. "Charakterisierung von Swiprosin-2-EFHD1 und dessen Funktion während der frühen B-Zellentwicklung / vorgelegt von Sebastian Dütting." 2010. http://d-nb.info/1007421533/34.
Full textHömig, Cornelia [Verfasser]. "Einfluss der Epstein-Barr-Virus-Proteine LMP1 und EBNA2 auf die B-Zellentwicklung in vivo / vorgelegt von Cornelia Hömig." 2005. http://d-nb.info/979199034/34.
Full textWinkelmann, Rebecca [Verfasser]. "The function of Krüppel-like factor 2 in B cell development = Die Funktion von Krüppel-like Faktor 2 in der B-Zellentwicklung / vorgelegt von Rebecca Winkelmann geb. Heidbüchel." 2010. http://d-nb.info/1010641980/34.
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