Research Topics
Genomes and Genes | Franz X BeckSummaryAffiliation: University of Munich Country: Germany Publications
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Detail Information
Publications
Relationship between intracellular ionic strength and expression of tonicity-responsive genes in rat papillary collecting duct cellsWolfgang Neuhofer
Physiologisches Institut, , Germany
J Physiol 543:147-53. 2002....
Cellular response to osmotic stress in the renal medullaF X Beck
Physiologisches Institut der Universitat, Pettenkoferstrasse 12, D 80336 Munich, Germany
Pflugers Arch 436:814-27. 1998....
Inner-medullary organic osmolytes and inorganic electrolytes in K depletionF X Beck
Physiologisches Institut der Universität München, Munich, Germany
Pflugers Arch 439:471-6. 2000..During chronic K depletion, reduced osmolyte accumulation by renomedullary cells may be the consequence, rather than the cause, of lower medullary interstitial tonicity...
Molecular chaperones in the kidney: distribution, putative roles, and regulationF X Beck
Physiologisches Institut der Universität München, Munich, Germany
Am J Physiol Renal Physiol 279:F203-15. 2000....
Heat shock proteins and the cellular response to osmotic stressF X Beck
Physiologisches Institut der Universität München, Munchen, Germany
Cell Physiol Biochem 10:303-6. 2000..Taken together these results suggest that also in the renal inner medulla, NaCl-induced enhancement of HSP72 expression may help counteract the detrimental effects of high urea concentrations...
Response of renal medullary cells to osmotic stressFranz X Beck
Physiologisches Institut der Universitat, Munchen, Germany
Contrib Nephrol 148:21-34. 2005....
Intracellular Na concentration and Rb uptake in proximal convoluted tubule cells and abundance of Na/K-ATPase alpha1-subunit in NHE3-/- miceFranz X Beck
Physiologisches Institut der Universitat, Pettenkoferstrasse 12, 80336, Munich, Germany
Pflugers Arch 446:100-5. 2003..There were no significant changes of cell Na concentration and Rb uptake in distal convoluted tubule, connecting tubule, principal and intercalated cells...
Differential expression of heat shock protein 27 and 70 in renal papillary collecting duct and interstitial cells - implications for urea resistanceWolfgang Neuhofer
Department of Physiology, University of Munich, Pettenkoferstrasse 12, 80336 Munich, Germany
J Physiol 564:715-22. 2005..These observations indicate that PCD and PI cells employ cell-specific mechanisms for protection against high urea concentrations as present in the renal papilla during antidiuresis...
EGF receptor signaling is involved in expression of osmoprotective TonEBP target gene aldose reductase under hypertonic conditionsChristoph Kuper
Department of Physiology, University of Munich, Munich, Germany
Am J Physiol Renal Physiol 296:F1100-8. 2009..This EGFR-Ras-MAPK pathway contributes to TonEBP transcriptional activation and targets gene expression during osmotic stress, thus establishing a membrane-associated signal input that contributes to the regulation of TonEBP activity...
PGE2 potentiates tonicity-induced COX-2 expression in renal medullary cells in a positive feedback loop involving EP2-cAMP-PKA signalingDaniela Steinert
Department of Physiology, University of Munich, Pettenkoferstrasse 12, 80336 Munich, Germany
Am J Physiol Cell Physiol 296:C75-87. 2009....
Cyclooxygenase-2-dependent phosphorylation of the pro-apoptotic protein Bad inhibits tonicity-induced apoptosis in renal medullary cellsChristoph Kuper
Department of Physiology, University of Munich, Munich, Germany
Kidney Int 80:938-45. 2011..Thus, tonicity-induced COX-2 expression and PGE2 synthesis in the renal medulla entails phosphorylation and inactivation of the pro-apoptotic protein Bad, thereby counteracting apoptosis in renal medullary epithelial cells...
Cell volume regulation in the renal papillaFranz X Beck
Department of Physiology, University of Munich, Munich, Germany
Contrib Nephrol 152:181-97. 2006....
Cell survival in the hostile environment of the renal medullaWolfgang Neuhofer
Department of Physiology, University of Munich, D 80336 Munich, Germany
Annu Rev Physiol 67:531-55. 2005....
Nitric oxide decreases expression of osmoprotective genes via direct inhibition of TonEBP transcriptional activityWolfgang Neuhofer
Department of Physiology, University of Munich, Pettenkoferstrasse 12, 80336, Munich, Germany
Pflugers Arch 457:831-43. 2009..These observations disclose a novel direct inhibitory effect of NO on TonEBP, a phenomenon that may be relevant for regulation of osmoprotective genes in the renal medulla...
Survival in hostile environments: strategies of renal medullary cellsWolfgang Neuhofer
Department of Physiology, University of Munich, Munich, Germany
Physiology (Bethesda) 21:171-80. 2006..This article reviews the strategies adopted by these cells to allow them to survive and fulfill their functions under these extreme conditions...
Ectodomain shedding of pro-TGF-alpha is required for COX-2 induction and cell survival in renal medullary cells exposed to osmotic stressChristoph Kuper
Department of Physiology, University of Munich, Munich, Germany
Am J Physiol Cell Physiol 293:C1971-82. 2007..We conclude that tonicity-induced TGF-alpha release is required for COX-2 expression, PGE(2) synthesis, and survival of renal medullary cells during osmotic stress...
Prostaglandin E2 stimulates expression of osmoprotective genes in MDCK cells and promotes survival under hypertonic conditionsWolfgang Neuhofer
Department of Physiology, University of Munich, Germany
J Physiol 583:287-97. 2007..These findings may be relevant in the pathophysiology of medullary damage associated with analgesic drugs...
Chronic COX-2 inhibition reduces medullary HSP70 expression and induces papillary apoptosis in dehydrated ratsWolfgang Neuhofer
Department of Physiology, University of Munich, Germany
Kidney Int 65:431-41. 2004....
Effect of ammonium on the expression of osmosensitive genes in Madin-Darby canine kidney cellsWolfgang Neuhofer
, Pettenkoferstrasse 12, , Germany
J Physiol 563:497-505. 2005..These results suggest that, in addition to NaCl, NH4Cl may play a role in regulating the intracellular accumulation of organic osmolytes, the abundance of HSP70 and cell turnover in the renal medulla in vivo...
Regulation of TonEBP transcriptional activator in MDCK cells following changes in ambient tonicityWolfgang Neuhofer
, , Germany
Am J Physiol Cell Physiol 283:C1604-11. 2002..We conclude that intracellular ionic strength and water content are major factors that determine the activity of TonEBP...
Osmoadaptation of Mammalian cells - an orchestrated network of protective genesKüper Christoph
Department of Physiology, University of Munich, Munich, Germany
Curr Genomics 8:209-18. 2007..The present review summarizes the sequence of genomic responses conferring resistance against osmotic stress. In addition, the regulatory mechanisms mediating the coordinated genomic response to osmotic stress will be highlighted...
