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Schwarz H, Beck T, Schmidt EW. Schimmelpilzsensibilisierung bei Atemwegspatienten. Pneumologie 2009. [DOI: 10.1055/s-2009-1242170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Grahl R, Schwarz H, Dedek W. Studien zur Verteilung und Resorption von 35S-markiertem D 47, einem synthetischen Senfölbildner. ACTA ACUST UNITED AC 2009. [DOI: 10.1080/17450396909421442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Schwarz H. Kommentar. Dtsch Med Wochenschr 2009. [DOI: 10.1055/s-0029-1233691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Schwarz H, Liu B, Peters S, Barillas W, Beerhues L. Purification, cDNA cloning and functional expression of NADPH-cytochrome P450 reductase from Centaurium erythraea cell cultures. PLANT BIOLOGY (STUTTGART, GERMANY) 2009; 11:300-306. [PMID: 19470102 DOI: 10.1111/j.1438-8677.2008.00137.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Solubilised NADPH-cytochrome P450 reductase (CPR) was purified from the microsomal fraction of centaury (Centaurium erythraea) cell cultures by Q-anion exchange chromatography and affinity chromatography on adenosine 2',5'-diphosphate agarose. SDS-PAGE demonstrated the presence of three CPR isoforms with molecular masses of 77, 79 and 81 kDa. The 79- and 81-kDa isoforms were identified as glycoproteins when blotted following SDS-PAGE and subjected to a sugar detection procedure. A homology-based approach led to the isolation of a CPR cDNA encoding the 77-kDa isoform. The enzyme was a class I CPR, possessing a short N-terminus upstream of the membrane anchor. The amino acid sequence contained a putative N-glycosylation site, indicating that the two major isoforms of 77 and 79 kDa are related through attachment of an oligosaccharide chain. This glycosylation process was also found upon heterologous expression in yeast. When co-expressed in yeast together with centaury coniferyl alcohol 5-hydroxylase, CPR efficiently supported the activity of the P450 enzyme. The genome of C. erythraea was found to contain a second CPR gene. RT-PCR experiments using gene-specific primers revealed differential regulation of the two CPR genes. While CPR 2 mRNA was strongly induced by the addition of methyl jasmonate to the cell cultures, the CPR 1 expression level did not change after this elicitation.
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MESH Headings
- Acetates/metabolism
- Amino Acid Sequence
- Cell Culture Techniques
- Centaurium/enzymology
- Centaurium/genetics
- Chromatography, Affinity
- Chromatography, Ion Exchange
- Cloning, Molecular
- Cyclopentanes/metabolism
- Cytochrome P-450 Enzyme System
- DNA, Complementary
- Electrophoresis, Polyacrylamide Gel
- Gene Expression
- Gene Expression Regulation, Plant
- Genes, Plant
- Genome, Plant
- Glycoproteins/genetics
- Glycoproteins/isolation & purification
- Glycoproteins/metabolism
- Glycosylation
- Microsomes
- Molecular Sequence Data
- NADPH-Ferrihemoprotein Reductase/genetics
- NADPH-Ferrihemoprotein Reductase/isolation & purification
- NADPH-Ferrihemoprotein Reductase/metabolism
- Open Reading Frames
- Oxylipins/metabolism
- Plant Proteins/genetics
- Plant Proteins/isolation & purification
- Plant Proteins/metabolism
- Protein Isoforms
- Protein Processing, Post-Translational
- RNA, Messenger/metabolism
- Recombinant Fusion Proteins
- Reverse Transcriptase Polymerase Chain Reaction
- Sequence Alignment
- Sequence Homology, Amino Acid
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Wang Z, Chen C, Finger SN, d/o Kwajah M.M S, Jung M, Schwarz H, Swanson N, Lareu RR, Raghunath M. Suberoylanilide hydroxamic acid: a potential epigenetic therapeutic agent for lung fibrosis? Eur Respir J 2009; 34:145-55. [DOI: 10.1183/09031936.00084808] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Bolten WW, Böhme K, Grifka J, Schutter U, Schwarz H, Sittl R, Sturm D, Wahle K. [Low-dose strong opioid (LDSO)--treatment of pain in osteoarthritis]. MMW Fortschr Med 2008; 150:41. [PMID: 19156956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
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Stucki G, Müller K, Bochdansky T, Schwarz H, Smolenski U. Ist die ICIDH-Checkliste geeignet zur Klassifikation der funktionalen Gesundheit in der rehabilitativen Praxis? - Ergebnisse eines Workshops der Konsensuskonferenz der drei Gesellschaften für Physikalische Medizin und Rehabilitation von Deutschland, Österreich und der Schweiz. PHYSIKALISCHE MEDIZIN REHABILITATIONSMEDIZIN KURORTMEDIZIN 2008. [DOI: 10.1055/s-2008-1057763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Bechtold-Dalla Pozza S, Dalla Pozza R, Bonfig W, Möller R, Wenzel C, Putzker S, Schwarz H. Zirkulierende Adipozytokine bei Kindern mit Typ-1-Diabetes: Relation zur Intima Media Dicke. DIABETOL STOFFWECHS 2008. [DOI: 10.1055/s-2008-1076302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Priestley JG, Schwarz H. The solubility of acetylene in blood: 1. Determination of acetylene dissolved in blood or other liquids. J Physiol 2007; 99:49-56. [PMID: 16995234 PMCID: PMC1394063 DOI: 10.1113/jphysiol.1940.sp003877] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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Schwarz H. Therapeutic Hypothermia. Neurology 2006. [DOI: 10.1212/01.wnl.0000243240.46343.d2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Nienhagen N, Schwarz H, Habeck JO, Schmidt EW. Maligner solitär fibröser Tumor der Pleura (SFT) – Eine Kasuistik. Pneumologie 2006. [DOI: 10.1055/s-2006-958860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Graf I, Schwarz H, Habeck J, Schmidt E. BOOP – Klinische Variabilität am Beispiel dreier Fälle. Pneumologie 2006. [DOI: 10.1055/s-2006-933918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Schwarz H, Klose S, Schmidt E. Ein ungewöhnlicher Fall einer Bettfedernalveolitis. Pneumologie 2006. [DOI: 10.1055/s-2006-933902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Furtner M, Straub RH, Krüger S, Schwarz H. Levels of soluble CD137 are enhanced in sera of leukemia and lymphoma patients and are strongly associated with chronic lymphocytic leukemia. Leukemia 2005; 19:883-5. [PMID: 15744355 DOI: 10.1038/sj.leu.2403675] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Muchitsch E, Schwarz H, Varadi K, Esmon C, Mancuso G, Teti G. Crit Care 2005; 9:P190. [DOI: 10.1186/cc3253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Habgood T, Marion L, Schwarz H. Observations sur la dégradation d'Hofmannappliquée à la gelsémine. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19520350230] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Schwarz H, Gorb S. Method of platinum-carbon coating of ultrathin sections for transmission and scanning electron microscopy: An application for study of biological composites. Microsc Res Tech 2003; 62:218-24. [PMID: 14506687 DOI: 10.1002/jemt.10343] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Many biological materials are composites containing two or more components with different mechanical properties. This study is concerned with the application of a method of platinum-carbon coating (Pt/C) of ultrathin sections for TEM and SEM studies of the design of natural composite materials. The changes in profile of the ultrathin resin-embedded sections during different stages of the preparation reflect the material properties of the various components: stiffer regions deform less than softer ones. Such changes in the section profile can be visualized by the Pt/C method and used as evidence of specific material properties in particular regions of composite materials. The method increases the relief contrast, improves the 3D-view of structures, and in combination with standard TEM and SEM procedures can provide clear demonstrations of material design. The distribution of chitin crystallites in the insect cuticle and the ultrastructure of the pore canal system specialized for the transport of epidermal secretions to the cuticle surface were studied here as examples.
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Schwab B, Mathur J, Saedler R, Schwarz H, Frey B, Scheidegger C, Hülskamp M. Regulation of cell expansion by the DISTORTED genes in Arabidopsis thaliana: actin controls the spatial organization of microtubules. Mol Genet Genomics 2003; 269:350-60. [PMID: 12690443 DOI: 10.1007/s00438-003-0843-1] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2002] [Accepted: 03/19/2003] [Indexed: 10/26/2022]
Abstract
The control of the directionality of cell expansion was investigated using a class of eight genes, the so-called DISTORTED (DIS) genes, that are required for proper expansion of leaf trichomes in Arabidopsis thaliana. By tracing the separation of latex beads placed on the trichome surface, we demonstrate that trichomes grow by diffuse rather than tip growth, and that in dis mutants deviations from the normal orientation of growth can occur in all possible directions. We could not detect any differences in intracellular organization between wild-type and dis-group mutants by electron microscopy. The analysis of double mutants showed that although the expression of the dis phenotype is generally independent of branching and endoreduplication, dis mutations act synthetically in combination lesions in the ZWI gene, which encodes a kinesin motor protein. Using a MAP4:GFP marker line, we show that the organization of cortical microtubules is affected in dis-group mutants. The finding that most dis-group mutants have actin defects suggested to us that actin is involved in organizing the orientation of microtubules. By analyzing the microtubule organization in plants treated with drugs that bind to actin, we verified that actin is involved in the positioning of cortical microtubules and thereby in plant cell expansion.
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Grassmé H, Jendrossek V, Riehle A, von Kürthy G, Berger J, Schwarz H, Weller M, Kolesnick R, Gulbins E. Host defense against Pseudomonas aeruginosa requires ceramide-rich membrane rafts. Nat Med 2003; 9:322-30. [PMID: 12563314 DOI: 10.1038/nm823] [Citation(s) in RCA: 412] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2002] [Accepted: 01/09/2003] [Indexed: 12/23/2022]
Abstract
Pseudomonas aeruginosa infection is a serious complication in patients with cystic fibrosis and in immunocompromised individuals. Here we show that P. aeruginosa infection triggers activation of the acid sphingomyelinase and the release of ceramide in sphingolipid-rich rafts. Ceramide reorganizes these rafts into larger signaling platforms that are required to internalize P. aeruginosa, induce apoptosis and regulate the cytokine response in infected cells. Failure to generate ceramide-enriched membrane platforms in infected cells results in an unabated inflammatory response, massive release of interleukin (IL)-1 and septic death of mice. Our findings show that ceramide-enriched membrane platforms are central to the host defense against this potentially lethal pathogen.
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Schumann H, Mueller J, Bruncks N, Lauke H, Pickardt J, Schwarz H, Eckart K. Organometallic compounds of the lanthanides. Part 17. Tris[(tetramethylethylenediamine)lithium] hexamethyl derivatives of the rare earths. Organometallics 2002. [DOI: 10.1021/om00079a013] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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