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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 83 (1961), S. 4089-4093 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 88 (1966), S. 964-969 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 88 (1966), S. 969-974 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 82 (1960), S. 2076-2076 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 83 (1961), S. 1921-1924 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 45 (1967), S. 1238-1241 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary 1. The subcellular localization of catecholamines in a human phaeochromocytoma was investigated. 78% of the catecholamines could be sedimented. 2. The hormone containing granules were separated from lysosomes and mitochondria and their biochemical composition was determined. The molar ratio catecholamine/ATP was found to be 5,56. 63,4% of the proteins were water soluble. Lysolecithin comprised 17% of total lipid phosphorus. 3. These results are in good agreement with findings on granules from normal adrenal medullae of various species. 4. On incubation at 37° C tumour granules released their catecholamines at a rate similar to that of normal granules. 5. Possible explanations for the high catecholamine secretion from phaeochromocytomas are discussed.
    Notes: Zusammenfassung 1. Die subcelluläre Lokalisation der Katecholamine in einem Phäochromocytom wurde untersucht. 78% der Katecholamine waren sedimentierbar. 2. Die Hormon-speichernden Granula wurden von Lysosomen und Mitochondrien weitgehend abgetrennt und ihre biochemische Zusammensetzung untersucht. Der molare Katecholamin/ATP-Quotient betrug 5,56, die Eiweißlöslichkeit in Wasser 63,4% und der Lysolecithinanteil an den Phospholipiden 17%. 3. Diese Ergebnisse stimmen gut mit Befunden an Granula normalen Nebennierenmarks verschiedener Species überein. 4. Bei Inkubation (37° C) gaben Tumorgranula ihre Katecholamine mit ähnlicher Geschwindigkeit ab wie normale Granula. 5. Die möglichen Ursachen für die gesteigerte Katecholaminabgabe aus Phäochromocytomen werden diskutiert.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 43 (1965), S. 705-708 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary In order to test the viremia induced by vaccination with vaccinia virus citrated blood was homogenized by ultrasonic vibration, centrifugated by 200,000 × g, the sediment suspended in a small volume and inoculated on the chorioallantoic membrane of chicken embryos. In 51 primary vaccinated children (3–28 months old) we could find the viremia 20 times, in 128 persons (2–20 years old), who were vaccinated simultaneously with a bovine antivaccinia-immunoglobulin, only 2 times.
    Notes: Zusammenfassung Mit Hilfe einer Anreicherungsmethode und nachfolgender Verimpfung auf die Chlorioallantoismembran des bebrüteten Hühnereies wurde die Virämie bei 51 normalen Pockenschutz-Erstimpflingen 20mal erfaßt, bei 128 überalterten Erstimpflingen, die unter dem Schutz eines Antivaccine-Immunglobulins vom Rind simultan geimpft wurden, nur 2mal.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary 1. RNA- and protein synthesis were markedly increased in cultures of human lymphocytes after addition of Phytohaemagglutinin (PHA), but this increase was less pronounced in a patient with primary agammaglobulinaemia, a chronic lymphatic leukemia and in a terminal stage of a chronic uraemia. 2. The proteins of PHA-stimulated and unstimulated lymphocytes were labelled with14C-phenylalanine. After incubation of the cytolysates with anti-immunglobulin-sera only a very small fraction (〈10%) of the labelled proteins could be precipitated by anti-IgG and Anti-IgM in both stimulated and unstimulated cultures. With anti-IgA and (as a control) anti-transferrin and anti-haptoglobin negative results were obtained. In the patient with primary agammaglobulinaemia the defect in IgG- and IgM-synthesis has also been shown in the invitro system. A protein secretion by the PHA-stimulated lymphocytes was not detectable. 3. After gel-filtration of the labelled proteins on Sephadex-G-200 the results in PHA-stimulated and unstimulated lymphocytes differed only quantitatively. The synthesis of several proteins of quite different molecular size was obvious. Almost a third of the labelled proteins in PHA-stimulated and unstimulated lymphocytes belonged to macromolecular proteins. 4. Cell fractionation experiments showed, that after twelve hours labelling with14C- or3H-phenylalanine the highest specific activity was present in the microsomes and in the cell sap. However the largest part of the total activity incorporated was found in the cell sap. A fairly high activity was also present in the mitochondria and in sediment I. Gel-filtration of the labelled proteins in the different subcellular fractions showed, that a comparable high amount of macromolecular proteins was present in the mitochondrial and microsomal sediment, whereas labelled proteins of lower molecular size prevailed in the cell sap and the histone-extract of the nuclear sediment. 5. The relationship between the protein synthesis of PHA-stimulated lymphocytes and the pyroninophilic cells (as seen in transplantation reaction and in delayed type hypersensitivity) is discussed.
    Notes: Zusammenfassung 1. In der Lymphocytenkultur von Normalpersonen wurde ab dem 2. Tag nach Phytohämagglutininzusatz eine über unstimulierte Lymphocyten deutlich gesteigerte Proteinsynthese gefunden, die mit einem hohen RNS-Umsatz einherging. Diese Steigerung war bei einer primären Hypo-γ-Globulinämie, einer chronischen Lymphadenose und einer fortgeschrittenen Urämie weniger ausgeprägt. 2. Bei Inkubation der markierten Zellproteine mit Anti-Immunglobulinseren ließ sich mit Anti-IgG und Anti-IgM in unstimulierten und PHA-stimulierten Lymphocyten ein sehr geringer Teil der neugebildeten Proteine (〈10%) präcipitieren. Negative Resultate ergaben Anti-IgA sowie (als Kontrollen) Anti-Transferrin-und Anti-Haptoglobinseren. Bei dem Patienten mit primärer Hypo-γ-Globulinämie war auch in der Lymphocytenkultur eine IgG- und IgM-Bildung nicht nachweisbar. Entsprechend den elektronenmikroskopischen Befunden war eine Proteinsekretion durch PHA-stimulierte Lymphocyten nicht feststellbar. 3. Die Fraktionierung der markierten Proteine auf Sephadex G 200 ergab nur quantitativ unterschiedliche Ergebnisse zwischen unstimulierten und stimulierten Lymphocyten. Die Bildung einer größeren Zahl verschieden molekularer Proteine war nachweisbar, der Anteil makromolekularer Proteine betrug bei stimulierten Kulturen 30,0%, bei unstimulierten 27,5%. Eine bevorzugte Bildung von Proteinen der 7S-Klasse war nicht festzustellen. 4. Zellfraktionierungsexperimente zeigten, daß nach 12stündiger Markierung mit14C- oder3H-Phenylalanin die höchste spezifische Aktivität in den Mikrosomen und im löslichen Cytoplasma nachweisbar war. Bezogen auf die Gesamtinkorporation, war jedoch der Großteil der Radioaktivität in das lösliche Cytoplasmaciweiß, in Sediment I und in die Mitochondrienfraktion eingebaut. Sephadexfraktionierung der markierten Proteine in den einzelnen subcellulären Fraktionen zeigte einen vergleichsweise hohen Anteil markierter makromolekularer Proteine in der Mikrosomen-und Mitochondrienfraktion, während im partikelfreien Überstand und im Histonen-Extrakt des Kernsedimentes niedrigermolekulare Proteine überwogen. 5. Parallelen zwischen den pyroninophilen Zellen der Allergie vom verzögerten Typ und PHA-stimulierten Lymphocyten werden im Hinblick auf die Proteinsynthese diskutiert.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 (upper part) shows the changes observed after addition of sodium and (lower part) after dialysis with a hypotonic solution of sodium chloride, as against 10 control animals (maternal serum: 136 ± 3-6 m.equiv./ 1., foetal serum: 146 ± 7-9 m.equiv./l., amniotic fluid: 136 ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 634-634 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A relationship between lysosomes and secretory granules has been discussed2, particularly where the secretion product of the granules is an enzyme. However, a relation between the chromaffin granules and lysosomes may also have to be considered3. It is known that the chromaffin granules, liko the ...
    Type of Medium: Electronic Resource
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