Academic literature on the topic 'Natürliche Antikörper'
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Journal articles on the topic "Natürliche Antikörper"
Gritti, Barbara Bartolini, and Christoph Binder. "Oxidation-specific epitopes are major targets of innate immunity in atherothrombosis." Hämostaseologie 36, no. 02 (2016): 89–96. http://dx.doi.org/10.5482/hamo-14-11-0069.
Full textWeikel, J., M. Ritzmann, Ortrun Lipp, K. Heinritzi, U. Truyen, and Marion Kixmöller. "Immunhistochemische Untersuchungen von Gehirnen älterer Sauen und Eber auf transmissible spongiforme Enzephalopathie." Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere 32, no. 06 (2004): 341–44. http://dx.doi.org/10.1055/s-0038-1623501.
Full textEskandary, Farsad-Alexander, and Georg A. Böhmig. "Herausforderungen in der Behandlung später antikörpermediierter Abstoßung." Dialyse aktuell 24, no. 08 (October 2020): 302–8. http://dx.doi.org/10.1055/a-1169-8340.
Full textSchmitt, C., K. David, J. Hiller, J. Schrum, R. Bredehorst, C. Vogel, C. Löliger, and R. Erttmann. "Natürliche humane IgM-Antikörper in der Therapie des Neuroblastoms: Vorläufige Ergebnisse einer Phase I/II-Therapiestudie." Klinische Pädiatrie 211, no. 04 (July 1999): 314–18. http://dx.doi.org/10.1055/s-2008-1043807.
Full textBeleznay, Zsuzsanna, and Stephan Regenass. "Diagnostik der Autoimmunerkrankungen." Therapeutische Umschau 65, no. 9 (September 1, 2008): 529–37. http://dx.doi.org/10.1024/0040-5930.65.9.529.
Full textKehl, Alexandra, Laura Truchet, Ines Langbein-Detsch, Elisabeth Müller, and Urs Giger. "Neuigkeiten zur praktischen ABC-Blutgruppen-Bestimmung bei Katzen." Tierärztliche Praxis Ausgabe K: Kleintiere / Heimtiere 47, no. 06 (December 2019): 425–38. http://dx.doi.org/10.1055/a-1035-9649.
Full textvon Moos, Cathomas, Mark, and Hitz. "Update zur Behandlung des metastasierten malignen Melanoms: Beginn einer neuen Ära mit zielgerichteter Therapie?" Praxis 101, no. 22 (October 1, 2012): 1423–29. http://dx.doi.org/10.1024/1661-8157/a001030.
Full textSchwarz, Tino F. "Hohe Zahl natürlich erworbener HPV-16/18-Antikörper schützt vor Reinfektion." gynäkologie + geburtshilfe 23, no. 5 (August 29, 2018): 17. http://dx.doi.org/10.1007/s15013-018-1507-x.
Full textKedmi, Meirav, Abraham Avigdor, and Arnon Nagler. "Zielgerichtete Therapien gegen PD-1 bei malignen Erkrankungen des Lymphsystems: Biologischer Hintergrund, klinische Herausforderungen und Chancen." Kompass Onkologie 2, no. 1 (2015): 8–14. http://dx.doi.org/10.1159/000380931.
Full textHerwig, V., H. J. Selbitz, and R. Dürrwald. "Prüfung der Schutzwirkung eines trivalenten Influenzavirus-Inaktivatimpfstoffs für Schweine in Infektionsversuchen mit aktuellen Feld stämmen der Subtypen H1N1, H3N2 und H1N2." Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere 37, no. 02 (2009): 103–12. http://dx.doi.org/10.1055/s-0038-1624054.
Full textDissertations / Theses on the topic "Natürliche Antikörper"
Stauch, Diana [Verfasser]. "Wirkmechanismen therapeutischer Antikörper auf Natürliche Killerzellen in der soliden Organtransplantation / Diana Stauch." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2009. http://d-nb.info/1023957817/34.
Full textBaumann, Andreas Thomas Verfasser], and Peter [Akademischer Betreuer] [Kremsner. "Natürlich erworbene Antikörper gegen einen Malariaimpfstoff bei Guahibo und Piaroa im venezolanischen Amazonas / Andreas Thomas Baumann ; Betreuer: Peter Gottfried Kremsner." Tübingen : Universitätsbibliothek Tübingen, 2015. http://d-nb.info/1197057129/34.
Full textBaumann, Andreas [Verfasser], and Peter [Akademischer Betreuer] Kremsner. "Natürlich erworbene Antikörper gegen einen Malariaimpfstoff bei Guahibo und Piaroa im venezolanischen Amazonas / Andreas Thomas Baumann ; Betreuer: Peter Gottfried Kremsner." Tübingen : Universitätsbibliothek Tübingen, 2015. http://d-nb.info/1197057129/34.
Full textRodríguez, Chong Carlos [Verfasser]. "Untersuchungen von Antikörpern gegen Protein p16 (Matrixprotein) bei verschiedenen natürlich infizierten Spezies mit Bornaviruskrankheit / vorgelegt von Carlos Rodriguez Chong." Berlin : Mensch-und-Buch-Verl, 2010. http://d-nb.info/1012643034/34.
Full textStempniewski, Lisa [Verfasser], Erhard [Akademischer Betreuer] Seifried, Erhard [Gutachter] Seifried, and Daniela [Gutachter] Krause. "Prävalenz und Eigenschaften natürlich präformierter Antikörpern gegen S-303-behandelte Erythrozytenkonzentrate / Lisa Stempniewski ; Gutachter: Erhard Seifried, Daniela Krause ; Betreuer: Erhard Seifried." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2019. http://d-nb.info/1185537872/34.
Full textJorg, Tobias [Verfasser], and Marion [Akademischer Betreuer] Subklewe. "Immuntherapeutische Strategien für Patienten mit Weichteilsarkomen : Augmentation der Zytotoxizität Natürlicher Killerzellen mittels ex vivo-Expansion und Verwendung eines Anti-GD2 Antikörpers / Tobias Jorg ; Betreuer: Marion Subklewe." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2018. http://d-nb.info/1175878162/34.
Full textJorg, Tobias Justus [Verfasser], and Marion [Akademischer Betreuer] Subklewe. "Immuntherapeutische Strategien für Patienten mit Weichteilsarkomen : Augmentation der Zytotoxizität Natürlicher Killerzellen mittels ex vivo-Expansion und Verwendung eines Anti-GD2 Antikörpers / Tobias Jorg ; Betreuer: Marion Subklewe." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2018. http://d-nb.info/1175878162/34.
Full textRückl, Kilian Thomas. "Funktionelle Analyse des tumorspezifischen IgG Antikörpers BARB-4." Doctoral thesis, 2012. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-73957.
Full textThroughout live, the human body is threatened by malign neoplasms whose local or metastasizing growth can restrict its essential functions. In the last decades, natural immunity was discovered as an instrumental tool in the fight against these neoplasms. Especially antibodies of the innate immune response play a central role in this defense. BARB-4 is part of this repertoire of antibodies. B-cells producing BARB-4 were isolated from a patient suffering from signet ring carcinoma, and propagated using Hybridoma-technology. While most antibodies of the innate immune response are of the IgM subclass, BARB-4 is an IgG antibody. This work offers an assessment of the specificity and functional properties of BARB-4. By using immuno-histochemistry, it couId be shown that BARB-4 specifically binds to human cancer cells. More specifically BARB-4 binds to a variant of TAF15, a member of the FET family of transcriptional regulators. TAF15 is also assumed to be involved in adhesion and cell-migration. Flow-cytometry confirmed its localization to the plasma-membrane, which is unique to this tumor-specific variant of TAF15. Subsequent confocal microscopy showed that after initial binding of TAF15, the BARB-4 antibody is internalized by the bound cancer cells. Remarkably, BARB-4 treatment of cancer cells resulted in the inhibition of their ability to adhere and migrate. As both adhesion and migration are hallmarks of metastasis in cancer cells, BARB-4 is a possible candidate for therapeutic prevention of cancer metastasis
Steigerwald, Jutta. "Der NK-Zellrezeptor NKG2D als Zielstruktur für eine Antikörper-basierte therapeutische Immunmodulation." Doctoral thesis, 2008. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-33446.
Full textThe natural killer group 2, member D protein (NKG2D) is an activating receptor on NK- and CD8+ T-cells, which enables them to identify and eliminate infected and transformed somatic cells. However, a dysfunction of this receptor on immune cells may lead to the development of autoimmune diseases like type I diabetes, celiac disease, and rheumatoid arthritis. In this doctoral thesis, a human antibody with anti-hNKG2D specificity was developed which could be of clinical relevance for the treatment of autoimmune diseases. Based on the sequences of heavy (VH) and light chain (VL) of the two murine monoclonal antibodies 6H7 and 6E5A7 which specifically bind to hNKG2D and block the interaction between NKG2D-ligand and receptor, scFv-phage-libraries were prepared. These libraries were used in the following selection process by phage-display and the humanization of the murine scFv was achieved by guided selection-technology. The VH domain of the parental scFv was first combined with a human VL-repertoire and the two resulting human light chains were then joined to a repertoire of human VH-domains. Because no recombinant human scFv with hNKG2D binding activity could be identified by this technique a stepwise humanization process of the VH framework-region (FR) had to be performed while retaining the murine CDR-domains. This procedure resulted in the human scFv E1VLV71KVH which in addition to the murine CDRs merely contained three amino acids of murine origin in the FR. The biological activity of the E1VLV71KVH was analyzed in different in vitro-systems after conversion of the scFv fragment into the completely human IgG1/lambda antibody format. The results of these experiments revealed a noticeable loss of affinity and neutralizing function of the antibody after humanization and thus demonstrated the need for affinity maturation. Therefore, a sequential randomization of the CDR3 domains of E1VL and V71KVH was performed which resulted in five different anti-hNKG2D scFv fragments with high affinity. Two of these human constructs, B1VLB6VH and E4VLG10VH, were produced as fully human IgG1/ antibodies and examined in vitro with regard to their activating and neutralizing activity as well as their stability and internalization effects by NK cells. After affinity maturation, both antibodies exhibited more potent inhibitory activity at IC50 values of 3,4x 10-2 µg/ml compared to the original murine antibody (3,3 µg/ml) and showed a high rigidity to impact of heat and serum proteases. Internalization events of the antibodies by NK cells could be observed by fluorescence microscopic analysis. For a better understanding of NKG2D-dependent regulation processes and the identification of NKG2D-specific target genes, the expression profile of ULBP-1Fc stimulated human NK cells was determined using microarray technology. The microarray data were validated on both RNA- and protein-level using RT-qPCR, FACS, ELISA and CBA, and the following biological NKG2D-specific markers could be established: CRTAM, TNFalpha, IFNgamma and GM-CSF. In addition to the execution of 51Cr-release studies in two different in vitro cell culture systems these markers provided the basis for the characterization of the neutralizing and activating capacity of the human antibodies B1VLB6VH and E4VLG10VH. The findings of all these experiments indicated that the human anti-hNKG2D antibodies exhibit an ambivalent functionality: In solution the antibodies have the ability to inhibit NKG2D-specific CRTAM-Expression, cytolytic activity and cytokine release. However, cross-linking of NKG2D-receptor via plate-bound human anti-hNKG2D antibodies results in the induction of a cytolytic response and cytokine secretion by human NK cells. Due to the bifunctional activity of these two antibodies a therapeutic use in human autoimmune diseases does not seem to be feasible yet. Taken together, this thesis has provided the basis for the conversion of a human hNKG2D neutralizing antibody with high affinity into a more suitable antibody format (scFv, Fab or F(ab)2)
Brändlein, Stephanie. "Tumorimmunität: Spezifität, Genetik und Funktion natürlicher IgM-Antikörper." Doctoral thesis, 2003. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-6661.
Full textThe formation of malignant cells through irreversible genetic alterations is a chronic process in a human organism. The spontaneous mutation rate is high enough to let transformed cells arise permanently in an organism and to flood the body with these cells in a short period of time. Although specific genetic damages were eliminated very early by repair mechanisms and not every transformed cell became a manifest tumour, the major question to be answered is not why cancer arises but why it occurs so infrequently despite of the high mutation rate. The immune system is responsible for the early detection and elimination of transformed cells. It is able to remove most of the transformed cells so that tumour formation is the exception but not the rule. The immune system of the human organism consists of an innate and an acquired system. Until the present time it is not explained definitely, whether malignant cells with their altered surface structure have to induce an immune answer or if the innate immunity is responsible for the elimination of tumour cells like for infectious particles. In this dissertation the human hybridoma technology (immortalisation of human lymphocytes and isolation of human monoclonal antibodies) was used to investigate this question. This technique offers the unique possibility to isolate tumour-specific antibodies from cancer patients as well as from healthy persons and to attain additionally insights into the humoral immunity against malignant cells. Five human monoclonal antibodies were described which were isolated from different cancer patients and in addition two antibodies obtained from healthy donors. In all of the cases the antibodies prove to be tumour-specific which means they do not react with healthy tissues and are according to this no auto-antibodies. All of them are IgM antibodies, no tumour-specific IgA or IgG antibody was detectable. Genetic analysis show that all isolated antibodies were only slightly mutated or not mutated at all, which means that they were not affinity-maturated due to antigen stimulation. Furthermore it was possible to demonstrate that all isolated tumour-specific IgM antibodies induce apoptosis in tumour cells. Another result indicates that carbohydrates are involved in the binding of the antibodies to their corresponding antigen. The characteristics of the antibodies were compared with other IgM antibodies which were already established in our lab. Here all antibodies which prove to be tumour-specific show similar characteristics. Interestingly the amount of cross reactivity with other tumour tissues correlates reciprocally with the degree of mutations. The more mutations an antibody displays the more reduced are the reactions with other tumour tissues. This indicates that, similar to the affinity-maturation of adapted immunity, an increase of specificity and most likely also variability of germ-line coded antibodies can be generated by few mutations. Our observations indicate that the humoral immunity against malignant cells is the result of the innate immunity. This means moreover that molecules like natural antibodies play a much more important role in immunity than assumed so far. Similar results were obtained already with analysis of immunity against bacterial antigens. This leads to the assumption that here the same mechanisms are involved like in the defence against transformed cells. Moreover the question could be answered why a manifest tumour remains an exception. The innate, primary immunity has an existing repertoire of receptors which are variable enough so that a complex system of recognition and stimulation like in the acquired immunity does not have to be induced. This logistic advantage of the natural immunity guarantees a permanent control and a fast reaction towards altered cells and foreign particles
Book chapters on the topic "Natürliche Antikörper"
Klein, D., U. Müller, M. Zander, K. Werdan, and C. Hammer. "Die Wirkung von Präformierten Natürlichen Antikörpern (PNAK) auf schlagende Herzmuskelzellkulturen von neonatalen Ratten." In Chirurgisches Forum ’94, 157–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78905-2_33.
Full textEngler, Sylvia, K. David, K. Förster, and H. Juhl. "Inhibition orthotop wachsender humaner Neuroblastome durch Behandlung mit natürlichen humanen IgM-Neuroblastom-Antikörpern in vivo1." In Deutsche Gesellschaft für Chirurgie, 355–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60133-0_68.
Full textMüdsam, M., M. Suckfüll, O. Pieske, G. Höbel, R. Babic, and C. Hammer. "Die Rolle von präformierten natürlichen Antikörpern und Komplement bei der hyperakuten Abstoßung ex vivo xenogen perfundierter Herzen." In Deutsche Gesellschaft für Chirurgie, 259–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78122-3_54.
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