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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 8 (1981), S. 0 
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Physiological tooth movements during mandibular excursions with and without occlusion have been considered. Using electronic and pantographic techniques, anterior guidance and tooth movements during simulated mastication (without a bolus) were investigated.Investigations in the absence of occlusion showed that elastic deformation of the mandible gave rise to tooth movements. During occlusion three-dimensional tooth movements of up to 60 μm in each direction occurred.Pantographic measurements of anterior guidance showed that each type of occlusion (balanced occlusion, group function and canine protected occlusion) has its own characteristic. Only canine protected occlusion gave values which corresponded to physiological data.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 56 (1974), S. 283-289 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 752-754 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has invariably been observed that DNA nucleo-tidyltransferase of mammalian cells is more readily obtained from soluble supernatant fractions after high-speed centrifugetion of disrupted cell preparations* than from the sediments which contain the nuclei and other intracellular particles1-4. In ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Experimental Cell Research 9 (1963), S. 389-417 
    ISSN: 0014-4827
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    FEBS Letters 37 (1973), S. 228-230 
    ISSN: 0014-5793
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    FEBS Letters 37 (1973), S. 228-230 
    ISSN: 0014-5793
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Trends in Biochemical Sciences 14 (1989), S. 328 
    ISSN: 0968-0004
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nutrition 20 (1981), S. 233-246 
    ISSN: 1436-6215
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Summary A meeting report is given (Annual Symposium on Fundamental Cancer Research, Houston, and International Congress of Nutrition, San Diego) which mainly deals with cancerogenesis: The role of retinoids as inhibitors, and the role of pyrolysis products as promoter of cancerogenesis, both essentially active in the tumor promotion range of cancerogenesis, after previous initiation. In the future, enhanced chances may be foreseen for active prevention and for causal elucidation of cancer formation, which until now seems to be a spontaneous disease.
    Notes: Zusammenfassung An Hand eines Tagungsberichtes (Annual Symposium on Fundamental Cancer Research, Houston, und Internationaler Ernährungskongreß, San Diego) wird vor allem auf Fragen der Kanzerogenese eingegangen: Rolle von Carotinoiden als Hemmstoffe und Rolle von Pyrolyse-Produkten als Förderer der Krebsentstehung, beide überwiegend im Bereich der Promotion nach anderweitig erfolgter Initiation. Hier liegen für die Zukunft Chancen aktiver Prävention und kausaler Aufklärung bisher scheinbar schicksalhafter (Spontan-)Erkrankungen.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nutrition 22 (1983), S. 78-84 
    ISSN: 1436-6215
    Keywords: ADP-ribose ; liver ; nuclei ; NAD ; protein-ADP ribosylation ; riboseprotein bonds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Aus der Rattenleber isolierte Zellkerne werden mit NAD⊕ inkubiert, dessen beide Ribosen mit jeweils3H oder14C markiert sind. Enzymatischer (Phosphodiesterase) und/oder chemischer (Hydroxylamin) Abbau markierter ADP-ribosylierter Proteine und Identifizierung der aus Zellkernrückständen freigesetzten Bruchstücke erweist, daß AMP nach Hydroxylaminolyse sowie iso-ADP-Ribose nach Phosphodiesterase und Hydroxylamin — bei Fehlen nachweisbarer Mengen an Ribose-5-phosphat — das Vorkommen zusätzlicher Bindungsformen zwischen Protein und Ribose in in vitro ADP-ribosylierten Zellkern-Proteinen verlangen: Neben C-1″ (Hayaishi u. a., Stocken u. a.) noch C-2′ und/oder C-3′ (Purin-nahe) und weiterhin C-2″ und/oder C-3″ (Pyrimidin-nahe), und dies nicht nur am Kettenende, sondern auch in der Mitte der Kette von Oligo-ADPR.
    Notes: Summary Nuclei isolated from rat liver were incubated with NAD⊕ whose two ribose moieties were respectively labeled with3H or14C. By enzymatic (phosphodiesterase) and/or chemical (hydroxylamine) attack on doubly labeled ADP-ribosylated nuclear proteins and identification of fragments released from nuclear residues, AMP was found after hydroxylaminolysis as well as iso-ADP-ribose after phosphodiesterase plus hydroxylamine, in the absence of detectable amounts of ribose-5-phosphate. This is taken to indicate the existence of additional ribose-protein binding sites in in vitro ADP-ribosylated nuclear proteins: Besides C-1″ (Hayaishi et al., Stocken et al.) C-2′ and/or C-3′ (purine-near) as well as C-2″ and/or C-3″ (pyrimidine-near), not only at the end but also within the chain of oligo-ADPR.
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  • 10
    ISSN: 1436-6215
    Keywords: Acarbose ; hydrogen exhalation ; methane exhalation ; insulin ; gastric inhibitory polypeptide ; intestinal bacteria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung An gesunden Probanden unter standardisierter, ballaststoffarmer Mischkost mit bzw. ohne Acarbose wurden kurz- und mittelfristige Einflüsse auf Toleranzerscheinungen mittels Bestimmung von Peptidhormonen und Atemgasmessungen untersucht. Wasserstoff und Methan wurden im Tagesprofil quantitativ bestimmt. Dabei bewirkte Acarbose infolge von Kohlenhydratvergärung im Dickdarm einen rund 20fachen Anstieg der Wasserstoffexhalation, die Methanexhalation änderte sich im Mittel nur wenig. Methanbildende Probanden exhalierten nach Stimulierung durch Acarbose signifikant weniger Wasserstoff als Personen ohne Methanbildung. Die unter Acarbose erniedrigten Glukose-, Insulin- und GIP- bzw. erhöhten Glukagonspiegel zeigen die verzögerte Glukoseresorption an und sind im regulatorischen Rahmen der Kohlenhydratassimilation verständlich. Im Laufe einer fünfwöchigen Acarboseeinnahme zusammen mit standardisierter Kost nahmen die aufgetretenen abdominellen Empfindungen wie z.B. Meteorismus deutlich ab, während die mikrobielle Kohlenhydratfermentation erhöht und die GIP-Sekretion erniedrigt blieben. Funktionelle Reaktionen des Gastrointestinaltrakts auf die durch Acarbose bewirkte veränderte Kohlenhydratzufuhr in das Colon wurden somit anhand von drei unabhängigen Parametern untersucht: anaerobe Gasproduktion, Freisetzung von Peptidhormonen und subjektive abdominelle Empfindungen. Die objektiven Parameter scheinen längerfristig konstant zu bleiben, während subjektive Parameter in dieser Zeit Anpassung zeigen.
    Notes: Summary Short and middle term effects of Acarbose were studied in volunteers on a standardized, low-fibre, mixed diet for the development of tolerance phenomena with gas exhalations and some peptide hormone levels as main parameters. Both hydrogen and methane were measured quantitatively as diurnal profiles. Acarbose caused an about 20-fold increase of H2 exhalation and had only moderate effects on methane production, indicating the presence of fermentable carbohydrates in the large bowel. Methanogenic individuals exhaled significantly less H2 than did nonmethanogenic subjects. Changes in blood glucose, serum insulin, GIP, gastrin, and plasma glucagon, caused by Acarbose, reflected delayed glucose absorption and were plausible within the regulatory framework of carbohydrate assimilation. When the Acarbose regime was maintained for 5 weeks on a controlled diet, abdominal sensations like e.g. meteorism declined remarkably while carbohydrate fermentation remained high and lowered GIP was sustained. Thus functional responses of the gastro-intestinal tract to altered carbohydrate supplies, elicited by Acarbose, were found by 3 independent parameters: anaerobic gas production, peptide hormone levels, and subjective abdominal sensations. The objective parameters seem to remain constant in the longer run, while subjective parameters show long-term adaptation.
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