Research Topics
| G Scheiner-BobisSummaryAffiliation: University of Giessen Country: Germany Publications
| Collaborators
|
Detail Information
Publications
Palytoxin-induced channel formation within the Na+/K+-ATPase does not require a catalytically active enzymeG Scheiner-Bobis
Institut für Biochemie und Endokrinologie, Fachbereich Veterinarmedizin, Justus Liebig Universitat Giessen, Germany
Eur J Biochem 248:717-23. 1997..Since ion fluxes through the sodium pump protein do not depend on ATP hydrolysis, the results suggest that the ionophores of pumps and ion channels might share common structural features...
Glutamic acid 472 and lysine 480 of the sodium pump alpha 1 subunit are essential for activity. Their conservation in pyrophosphatases suggests their involvement in recognition of ATP phosphatesG Scheiner-Bobis
Institut für Biochemie und Endokrinologie, Fachbereich Veterinarmedizin, Justus Liebig Universitat Giessen, Germany
Biochemistry 38:9198-208. 1999....
Sanguinarine induces K+ outflow from yeast cells expressing mammalian sodium pumpsG Scheiner-Bobis
Institut für Biochemie und Endokrinologie, Fachbereich Veterinarmedizin, Justus Liebig Universitat Giessen, Germany
Naunyn Schmiedebergs Arch Pharmacol 363:203-8. 2001..5+/-4.3 microM, all indicate that sanguinarine specifically targets the sodium pump, and that the observed K+ outflow is tightly associated with the presence of the enzyme...
Action of palytoxin on apical H+/K+-ATPase in rat colonGeorgios Scheiner-Bobis
Institute for Biochemistry and Endocrinology, Institute for Veterinary Physiology, Justus Liebig University Giessen, Germany
Eur J Biochem 269:3905-11. 2002..Consequently, the pore-forming action of palytoxin is not restricted to Na+/K+-ATPase but is also observed with the colonic H+/K+-ATPase...
Signalling pathways involving sodium pump stimulate endothelin-1 secretion and nitric oxide production in endothelial cellsG Scheiner-Bobis
Institut für Biochemie und Endokrinologie, Justus Liebig Universitat Giessen, Fachbereich Veterinarmedizin, Giessen, Germany
Cell Mol Biol (Noisy-le-grand) 52:58-63. 2006..This reaction cascade reaches its maximum approximately 30 min after exposure to the steroid. The results indicate that ouabain or similar compounds might actively participate in the regulation of vascular tone...
The sodium pump. Its molecular properties and mechanics of ion transportGeorgios Scheiner-Bobis
Institut für Biochemie und Endokrinologie, Fachbereich Veterinarmedizin, Justus Liebig Universitat Giessen, Germany
Eur J Biochem 269:2424-33. 2002....
Endogenous and exogenous cardiac glycosides and their mechanisms of actionWilhelm Schoner
Institute of Biochemistry and Endocrinology, Justus Liebig University Giessen, Giessen, Germany
Am J Cardiovasc Drugs 7:173-89. 2007..It lowers BP in ouabain- and adducin-dependent hypertension in rats and is a promising new class of antihypertensive medication in humans...
Endogenous and exogenous cardiac glycosides: their roles in hypertension, salt metabolism, and cell growthWilhelm Schoner
Institut für Biochemie und Endokrinologie, Fachbereich Veterinarmedizin, Justus Liebig Universitat Giessen, Frankfurter Str 100, Giessen, Germany
Am J Physiol Cell Physiol 293:C509-36. 2007..Bufalin and oleandrin or the cardenolide analog UNBS-1450 block tumor cell proliferation and induce apoptosis at low concentrations in tumors with constitutive activation of NF-kappaB...
Endogenous cardiac glycosides: hormones using the sodium pump as signal transducerWilhelm Schoner
Institut für Biochemie und Endokrinologie, Justus Liebig Universitat Giessen, Giessen, Germany
Semin Nephrol 25:343-51. 2005..Apparently, Na+/K+-ATPase is used by these steroids as a signal transducer to activate tissue proliferation, heart contractility, arterial hypertension, and natriuresis via various intracellular signaling pathways...
Histological, hormonal and biomolecular analysis of the pathogenesis of ovine Prolapsus vaginae ante partumS Ennen
Clinic for Obstetrics, Gynecology and Andrology of Large and Small Animals, Faculty of Veterinary Medicine, Justus Liebig University, Frankfurter Str 106, 35392 Giessen, Germany
Theriogenology 75:212-9. 2011..The biomolecular analysis led to the new result, that ewes suffering from vaginal prolapse show alterations in the antepartal metabolism of vaginal connective tissue...
Ouabain activates signaling pathways associated with cell death in human neuroblastomaAndrey Kulikov
Institut für Biochemie und Endokrinologie, Fachbereich Veterinarmedizin, Justus Liebig Universität Frankfurter Str 100, D 35392 Giessen, Germany
Biochim Biophys Acta 1768:1691-702. 2007....
Ouabain stimulates endothelin release and expression in human endothelial cells without inhibiting the sodium pumpRobert Saunders
Institut für Biochemie und Endokrinologie, Fachbereich Veterinarmedizin, Justus Liebig Universitat Giessen, Germany
Eur J Biochem 271:1054-62. 2004..The data also confirm that it is not a global inhibition of the sodium pump that is involved in the mechanism of action of this cardiac glycoside...
Signaling pathways involving the sodium pump stimulate NO production in endothelial cellsAlexander Eva
, , , Germany
Biochim Biophys Acta 1758:1809-14. 2006..Together with results from previous publications, the current investigation implies that the sodium pump is involved in vascular tone regulation...
Lys691 and Asp714 of the Na+/K+-ATPase alpha subunit are essential for phosphorylation, dephosphorylation, and enzyme turnoverPing Su
, , , Frankfurter Strasse 100, D-35392 Giessen, Germany
Biochemistry 43:4731-40. 2004..The results are consistent with Lys691 and Asp714 being essential for the phosphorylation/dephosphorylation process that allows the sodium pump to accomplish the catalytic cycle...
The highly conserved extracellular peptide, DSYG(893-896), is a critical structure for sodium pump functionSusanne Becker
, , , D-35392 Giessen, Germany
Eur J Biochem 271:3821-31. 2004..The results obtained here demonstrate the importance of the highly conserved peptide DSYG(893-896) for the function of alpha/beta heterodimeric P-type ATPases...
