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  • 1
    Publication Date: 2000-08-26
    Description: Chromosomal translocations that encode fusion oncoproteins have been observed consistently in leukemias/lymphomas and sarcomas but not in carcinomas, the most common human cancers. Here, we report that t(2;3)(q13;p25), a translocation identified in a subset of human thyroid follicular carcinomas, results in fusion of the DNA binding domains of the thyroid transcription factor PAX8 to domains A to F of the peroxisome proliferator-activated receptor (PPAR) gamma1. PAX8-PPARgamma1 mRNA and protein were detected in 5 of 8 thyroid follicular carcinomas but not in 20 follicular adenomas, 10 papillary carcinomas, or 10 multinodular hyperplasias. PAX8-PPARgamma1 inhibited thiazolidinedione-induced transactivation by PPARgamma1 in a dominant negative manner. The experiments demonstrate an oncogenic role for PPARgamma and suggest that PAX8-PPARgamma1 may be useful in the diagnosis and treatment of thyroid carcinoma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kroll, T G -- Sarraf, P -- Pecciarini, L -- Chen, C J -- Mueller, E -- Spiegelman, B M -- Fletcher, J A -- CA75425/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2000 Aug 25;289(5483):1357-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA. tkroll@rics.bwh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10958784" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma, Follicular/*genetics/metabolism ; Adenoma/genetics/metabolism ; Adult ; Aged ; Carcinoma, Papillary/genetics/metabolism ; Cell Line ; Cell Nucleus/metabolism ; Child ; DNA-Binding Proteins/chemistry/genetics/pharmacology/*physiology ; Humans ; Middle Aged ; *Nuclear Proteins ; Oncogene Proteins, Fusion/chemistry/genetics/*physiology ; Paired Box Transcription Factors ; Receptors, Cytoplasmic and Nuclear/chemistry/genetics/*physiology ; Response Elements ; Thiazoles/pharmacology ; *Thiazolidinediones ; Thyroid Neoplasms/*genetics/metabolism ; Trans-Activators/chemistry/genetics/pharmacology/*physiology ; Transcription Factors/chemistry/genetics/pharmacology/*physiology ; Transcription, Genetic ; Transcriptional Activation ; Translocation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2005-08-16
    Description: Mesenchymal stem cells (MSCs) are a pluripotent cell type that can differentiate into several distinct lineages. Two key transcription factors, Runx2 and peroxisome proliferator-activated receptor gamma (PPARgamma), drive MSCs to differentiate into either osteoblasts or adipocytes, respectively. How these two transcription factors are regulated in order to specify these alternate cell fates remains a pivotal question. Here we report that a 14-3-3-binding protein, TAZ (transcriptional coactivator with PDZ-binding motif), coactivates Runx2-dependent gene transcription while repressing PPARgamma-dependent gene transcription. By modulating TAZ expression in model cell lines, mouse embryonic fibroblasts, and primary MSCs in culture and in zebrafish in vivo, we observed alterations in osteogenic versus adipogenic potential. These results indicate that TAZ functions as a molecular rheostat that modulates MSC differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hong, Jeong-Ho -- Hwang, Eun Sook -- McManus, Michael T -- Amsterdam, Adam -- Tian, Yu -- Kalmukova, Ralitsa -- Mueller, Elisabetta -- Benjamin, Thomas -- Spiegelman, Bruce M -- Sharp, Phillip A -- Hopkins, Nancy -- Yaffe, Michael B -- CA042063/CA/NCI NIH HHS/ -- GM60594/GM/NIGMS NIH HHS/ -- GM68762/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Aug 12;309(5737):1074-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Cancer Research, Department of Biology, Massachusetts Institute of Technology, 77 Massachusetts Avenue, E18-580, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16099986" target="_blank"〉PubMed〈/a〉
    Keywords: Adipocytes/*cytology ; Animals ; Bone Morphogenetic Protein 2 ; Bone Morphogenetic Proteins/pharmacology ; Cell Differentiation ; Cell Line ; Core Binding Factor Alpha 1 Subunit ; Gene Expression Regulation, Developmental ; Humans ; Mesenchymal Stromal Cells/*cytology/physiology ; Mice ; Neoplasm Proteins/metabolism ; Oligonucleotides, Antisense ; Osteoblasts/*cytology ; Osteocalcin/genetics ; Osteogenesis ; PPAR gamma/metabolism ; Promoter Regions, Genetic ; Protein Structure, Tertiary ; Proteins/chemistry/genetics/*physiology ; RNA, Small Interfering ; Transcription Factors/chemistry/genetics/metabolism/*physiology ; Transcriptional Activation ; Transfection ; Transforming Growth Factor beta/pharmacology ; Zebrafish ; Zebrafish Proteins/genetics/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 173 (1928), S. 313-323 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In siedender konzentrierter Schwefelsäure wird Vv unter Sauerstoffabspaltung teilweise zu VIV reduziert. Unter denselben Umständen wird VIV teilweise zu VV oxydiert; hierbei wirkt die Schwefelsäure als Oxydationsmittel.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 87 (1914), S. 235-247 
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 251 (1943), S. 55-70 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Geschwindigkeit der katalytischen Äthylenhydrierung wird nach der Strömungsmethode an kompakten Kupfer-Palladium- und Kupfer-Platinlegierungen (Mischkristallen) gemessen. Die Wirksamkeit vieler Legierungen übersteigt die Additivität beträchtlich, es liegen ausgesprochene „Verstärkungen“ vor. Palladium- und Kupfer-Palladiumlegierungen bis herab zu 47 Atom-% Pd, ferner Platin und Kupfer-Platinlegierungen bis herab zu 16 Atom-% Pt sind etwa gleich wirksam und hydrieren schon bei etwa 100°C. Kupfer und die kupferreichen Legierungen sind sehr wenig aktiv, sie katalysieren erst bei hohen Temperaturen. Zwischen beiden Katalysatorgruppen besteht ein Aktivitätsunterschied von rund 6 Größenordnungen. Diese Wirksamkeitsänderung innerhalb der Legierungsreihen weist auf Besonderheiten im Zustand der Legierungen hin und wird im Zusammenhang mit früheren Ergebnissen besprochen.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 173 (1928), S. 297-312 
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Will man UO4, · n aq. aus Uranylnitrat und Wasserstoffsuperoxyd darstellen, so empfiehlt sich, einen Überschuß von verdünntem Wasserstoffsuperoxyd anzuwenden. Nimmt man weniger Wasserstoffsuperoxyd, so entstehen schwer filtrierbare Produkte von nicht genau definierter Zusammensetzung.  -  Die Gleichung für die Bildung der Persäure: UO2(NO3)2 + H2O2 + aq. = UO4 aq. + 2HN03 wurde auf verschiedene Weise geprüft und bestätigt.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 75 (1979), S. 167-175 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The crazing of two rubber-toughened plastics (ABS, HIPS) is investigated by measuring the small angle x-ray scattering (SAXS) during a tensile deformation. In both systems the onset of crazing is observed near the yield-maximum if the samples are continuously strained. The craze-rate of HIPS is much higher than that of ABS and after unloading HIPS shows a considerable recovery in contrast to ABS. The application of SAXS to the characterization of craze-phenomena is compared with that of other methods.
    Notes: An zwei schlagfesten Mehrphasensystemen (ABS, HIPS) wird das Crazing durch Messung der Röntgenkleinwinkelstreuung bei einer mechanischen Verformung verfolgt. In beiden Systemen setzt bei kontinuierlicher Zugbeanspruchung unmittelbar in der Nähe des Yield-Maximums eine starke Craze-Bildung ein. Beim schlagfesten Polystyrol (HIPS) findet man eine in Vergleich zum ABS wesentlich höhere Craze-Rate und nach Entlastung eine ausgeprägtere Reversibilität des Crazings. Die Aussagemöglichkeiten der Röntgenkleinwinkelstreuung zur Craze-Charakterisierung werden mit denen anderer Methoden verglichen.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Blockcopolyethers of ethylene oxide (EO) and propylene oxide (PO) are molecular homogeneous in the dry state. When water is added most of it is physically bonded to the EO blocks. This leads to a considerable increase of the viscosity. At higher water concentrations the system forms a thermoreversible gel. It could be demonstrated by quantitative Small Angle X-Ray Scattering that a progressive microphase separation takes place. In this process a stochimoetric 1 : 1-complex of ethylene oxide and water plays an important role. The gelation ist correlated with the appearance of a lamellar order, i.e. an amphiphilic liquid crystalline phase. This long range supermolecular structure has to be regarded as the reason for the elastic behavior of the systems at high water concentrations.
    Notes: Blockcopolyether aus Ethylenoxid (EO) und Propylenoxid (PO) bilden im wasserfreien Zustand einphasige Systeme. In Gegenwart von Wasser findet eine weitgehend selektive Solvatisierung der EO-Blöcke statt. Diese führt zu einem starken Viskositätsanstieg und bei höheren Wassergehalten zur Bildung eines thermoreversiblen Gels. Durch quantitative Röntgenkleinwinkelmessungen konnte gezeigt werden, daß sich mit steigendem Wassergehalt in zunehmendem Maße eine Mikrophasenbildung vollzieht, wobei dem 1 : 1-Komplex aus Ethylen-oxid und Wasser eine besondere Bedeutung zukommt. Die Gelbildung ist verknüpft mit dem Auftreten einer lamellaren Struktur, die eine amphiphile LC-Phase darstellt. Diese weitreichende übermolekulare Ordnungsstruktur ist als Ursache für die elastischen Eigen-schaften solcher Systeme anzusehen.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 66 (1994), S. 1171-1171 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 91 (1958), S. 2888-2889 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Messung verdünnter benzolischer Lösungen des Hexamesityldiplumbans mittels der paramagnetischen Elektronenresonanz ergibt keine Spur eines bleiorganischen Radikals. Kryoskopische Messungen in schmelzendem Biphenyl weisen in Übereinstimmung mit diesem Befund auf das Mol-Gewicht des Diplumbans hin.
    Type of Medium: Electronic Resource
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