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Academic literature on the topic 'Reaktive Sauerstoffspezies (ROS)'
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Journal articles on the topic "Reaktive Sauerstoffspezies (ROS)"
Seitz, Helmut, and Sebastian Mueller. "Die Bedeutung von Cytochrom P4502E1 bei der alkoholischen Lebererkrankung und bei der alkoholmediierten Karzinogenese." Zeitschrift für Gastroenterologie 57, no. 01 (January 2019): 37–45. http://dx.doi.org/10.1055/a-0784-8815.
Full textMartens, M., C. Seebode, J. Lehmann, and S. Emmert. "Molekulare Mechanismen der kutanen Photokarzinogenese: ein Update." Aktuelle Dermatologie 44, no. 05 (May 2018): 226–31. http://dx.doi.org/10.1055/s-0043-122350.
Full textMünzel, Thomas, Omar Hahad, Andreas Daiber, and Jos Lelieveld. "Luftverschmutzung und Herz-Kreislauf-Erkrankungen." Herz 46, no. 2 (January 18, 2021): 120–28. http://dx.doi.org/10.1007/s00059-020-05016-9.
Full textSander, C. S., U. C. Hipler, U. Wollina, and P. Elsner. "Inhibitory effect of terbinafine on reactive oxygen species (ROS) generation by Candida albicans. Hemmender Einfluss von Terbinafin auf die Bildung reaktiver Sauerstoffspezies von Candida albicans." Mycoses 45, no. 5-6 (June 2002): 152–55. http://dx.doi.org/10.1046/j.1439-0507.2002.00756.x.
Full textSchäfer, RU, R. Schermuly, A. Ghofrani, W. Seeger, F. Grimminger, and N. Weißmann. "Hypoxie-induzierte Freisetzung reaktiver Sauerstoffspezies (ROS) in isoliert perfundierten und ventilierten Mauslungen." Pneumologie 60, S 1 (April 20, 2006). http://dx.doi.org/10.1055/s-2006-933815.
Full textSchäfer, RU, RT Schermuly, HA Ghofrani, W. Seeger, DG Harrison, F. Grimminger, and N. Weißmann. "Hypoxie-induzierte Freisetzung reaktiver Sauerstoffspezies (ROS) in isoliert perfundierten und ventilierten Mauslungen." Pneumologie 61, no. 01 (January 2007). http://dx.doi.org/10.1055/s-2007-967251.
Full textAlbrecht, S., M. Freymann, and W. Distler. "Untersuchungen zur Konzentration von reaktiven Sauerstoffspezies (ROS) in der Plazenta und im mütterlichen Blut bei normaler und abnormaler Schwangerschaft." Geburtshilfe und Frauenheilkunde 66, S 01 (September 19, 2006). http://dx.doi.org/10.1055/s-2006-952900.
Full textDissertations / Theses on the topic "Reaktive Sauerstoffspezies (ROS)"
Oberdanner, Christian. "ROS and antioxidant systems in apoptosis oxidant balance in cell death and cancer therapy." Saarbrücken VDM Verlag Dr. Müller, 2007. http://d-nb.info/988931672/04.
Full textGutmann, Emanuel. "Nasschemisch synthetisierte, oxidische Nanomaterialien mit pyroelektrokatalytischen und photokatalytischen Eigenschaften für Anwendungen in der Desinfektionstechnologie." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2013. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-102099.
Full textThis thesis deals with two classes of oxidic nanomaterials that were synthesized by chemical solution routes and characterized with respect to structure and morphology. Sols of TiO2, TiO2/SiO2, Ag/TiO2 and Pd/TiO2 containing the photocatalytically active modification anatase in nanocrystalline form were prepared via a solvothermal sol-gel process. With regard to potential application in disinfection and environmental remediation technology the photocatalytic activity of powders and coatings on textile was investigated by means of E. coli decomposition and organic dye degradation. Further the antimicrobial activity of pyroelectric LiNbO3 and LiTaO3 powder materials under cyclical thermal excitation was demonstrated. In this context the application of the pyroelectric effect in a catalytic or electrochemical process – termed as pyroelectrocatalysis – is of fundamental novelty. Based on the physico-chemical principles of the phenomenon a hypothesis of the mechanism was developed and discussed in analogy with photocatalysis
Göttsch, Claudia. "Regulation von oxidativem Stress durch biomechanische Kräfte und fettreiche Ernährung im Herz-Kreislaufsystem." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2007. http://nbn-resolving.de/urn:nbn:de:swb:14-1173437875664-59523.
Full textCardiovascular diseases are the most common causes of death in Germany. Beside the known risk factors hypercholesteremia, hyperlipoproteinemia, diabetes mellitus, obesity, sedentary lifestyle, stress and high age, a pathophysiologically increased formation of reactive oxygen species (ROS) are discussed as cause of development of cardiovascular diseases. Nicotine adenine dinucleotide phosphate (NADPH) oxidase complexes have been identified as main source of oxidative stress and vascular superoxide anions. There are 7 known isoforms of the catalytic Nox subunit of the NADPH oxidase. In this dissertation it was shown that NADPH oxidase subunit Nox4 is the major Nox isoform in human endothelial cells. Nox4 could be localized in the perinuclear space. Overexpression of Nox4 enhanced endothelial superoxide anion formation. Furthermore, a reduction of oxidative stress could be demonstrated by chronic application of the biomechanical forces laminar shear stress and cyclic strain in endothelial cells in vitro. The observed downregulation of superoxide anion formation and upregulation of NO formation by application of biomechanical forces contribute to the positive balance between NO and superoxide anion and the vasoprotective potential of physiological shear stress and cyclic strain. Molecular cloning and functional analysis of the human Nox4 promoter revealed that an AP-1 binding site is essential for downregulation of Nox4 by laminar shear stress. On the other hand stimulation of endothelial cells and murine vessels with oxidized lipids caused an upregulation of vascular ROS production in vitro and ex vivo. In order to examine the mechanism of LDL induced ROS formation and the influence of NADPH oxidase, C57BL/6 (wild-type) and Nox2-/- mice were feed with a diet high in fat and sugar (Western-type diet) for 10 weeks. After feeding, the influence of diet on the expression of NADPH oxidase and ROS production was analyzed in the A. thoracalis. Both mice strains showed a significant upregulation of aortic ROS production in comparison to normal chow. The mRNA expression of aortic Nox4 was induced in Nox2-/- mice. Furthermore, the aortic p22phox mRNA expression was upregulated in both mice strains. The analysis of other organs (heart, kidney) showed no influence of the Western-type diet. In conclusion, the results demonstrate a major role of a Nox4 containing NADPH oxidase in the vascular radical formation in vitro and in vivo
Göttsch, Claudia. "Regulation von oxidativem Stress durch biomechanische Kräfte und fettreiche Ernährung im Herz-Kreislaufsystem." Doctoral thesis, Technische Universität Dresden, 2006. https://tud.qucosa.de/id/qucosa%3A24899.
Full textCardiovascular diseases are the most common causes of death in Germany. Beside the known risk factors hypercholesteremia, hyperlipoproteinemia, diabetes mellitus, obesity, sedentary lifestyle, stress and high age, a pathophysiologically increased formation of reactive oxygen species (ROS) are discussed as cause of development of cardiovascular diseases. Nicotine adenine dinucleotide phosphate (NADPH) oxidase complexes have been identified as main source of oxidative stress and vascular superoxide anions. There are 7 known isoforms of the catalytic Nox subunit of the NADPH oxidase. In this dissertation it was shown that NADPH oxidase subunit Nox4 is the major Nox isoform in human endothelial cells. Nox4 could be localized in the perinuclear space. Overexpression of Nox4 enhanced endothelial superoxide anion formation. Furthermore, a reduction of oxidative stress could be demonstrated by chronic application of the biomechanical forces laminar shear stress and cyclic strain in endothelial cells in vitro. The observed downregulation of superoxide anion formation and upregulation of NO formation by application of biomechanical forces contribute to the positive balance between NO and superoxide anion and the vasoprotective potential of physiological shear stress and cyclic strain. Molecular cloning and functional analysis of the human Nox4 promoter revealed that an AP-1 binding site is essential for downregulation of Nox4 by laminar shear stress. On the other hand stimulation of endothelial cells and murine vessels with oxidized lipids caused an upregulation of vascular ROS production in vitro and ex vivo. In order to examine the mechanism of LDL induced ROS formation and the influence of NADPH oxidase, C57BL/6 (wild-type) and Nox2-/- mice were feed with a diet high in fat and sugar (Western-type diet) for 10 weeks. After feeding, the influence of diet on the expression of NADPH oxidase and ROS production was analyzed in the A. thoracalis. Both mice strains showed a significant upregulation of aortic ROS production in comparison to normal chow. The mRNA expression of aortic Nox4 was induced in Nox2-/- mice. Furthermore, the aortic p22phox mRNA expression was upregulated in both mice strains. The analysis of other organs (heart, kidney) showed no influence of the Western-type diet. In conclusion, the results demonstrate a major role of a Nox4 containing NADPH oxidase in the vascular radical formation in vitro and in vivo.
Baudler, Stephanie. "Wirkungen reaktiver Sauerstoffspezies Charakterisierung zweier ROS-sensitiver Gene und ihre Rolle bei der Kontrolle des zellulären Wachstums /." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=962733415.
Full textMakiol, Christian [Verfasser], and Helga [Gutachter] Stopper. "Die Rolle der durch NADPH-Oxidasen produzierten reaktiven Sauerstoffspezies (ROS) in der Pathophysiologie von Hypertonie und Alterung / Christian Makiol. Gutachter: Helga Stopper." Würzburg : Universität Würzburg, 2015. http://d-nb.info/110325958X/34.
Full textHaack, Maximilian [Verfasser]. "Die Auswirkung von reaktiven Sauerstoffspezies (ROS) und ROS-abbauenden Enzymen auf die osteogene Differenzierung von humanen adipogenen Stromazellen (ASCs) und deren Transkriptionsfaktoren FoxO 1, FoxO 3a und β-Catenin. / Maximilian Haack." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2019. http://d-nb.info/1194233937/34.
Full textHanschitz, Kira Béatrice Marie [Verfasser], and Christoph [Akademischer Betreuer] Maack. "Die Rolle eines zellulären Eisendefizits für den Energiehaushalt, die Funktion der Atmungskette, des Citratzyklus und die Produktion reaktiver Sauerstoffspezies (ROS) / Kira Béatrice Marie Hanschitz ; Betreuer: Christoph Maack." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2019. http://d-nb.info/1177797259/34.
Full textMakiol, Christian. "Die Rolle der durch NADPH-Oxidasen produzierten reaktiven Sauerstoffspezies (ROS) in der Pathophysiologie von Hypertonie und Alterung." Doctoral thesis, 2014. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-109901.
Full textReactive oxygen species play a major role in the etiology of cancer, in the aging process and cardiovascular diseases (Valko et al., 2007). These oxygen radicals may be formed by the NADPH oxidase enzym complex (Finkel and Holbrook, 2000). The aim of the study is to analyse the effect of ROS in the aging process and hypertension. Therefore two models were used. Young and old wild-type animals were used and compared with young p47 knockout mice, which have a reduced ROS level. As a model with increased ROS levels the ren2-rat model was applied. Those animals were treated with different drugs such as ramipril (ACE inhibitor), apocynin (NADPH oxidase inhibitor) and tempol (radical scavenger). The superoxide concentration was determined in kidney and heart by using dihydroethidium-staining. The DNA double strand breaks were detected by staining with an γH2AX antibody and the expression of Sirtuin1 and Hsp70 which are known as anti-aging proteins, were determined by Western Blot
Hirt, Ursula. "Extramitochondriale und mitochondriale Produktion reaktiver Sauerstoffspezies im Hippokampus MeCP2-defizienter Mäuse." Doctoral thesis, 2014. http://hdl.handle.net/11858/00-1735-0000-0022-5EBE-5.
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