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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Pharmacology 6 (1966), S. 19-47 
    ISSN: 0362-1642
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
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    Unknown
    Oxford : Periodicals Archive Online (PAO)
    Medium aevum. 35 (1966) 240 
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 25 (1969), S. 578-579 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary ATPases of the amine storing granules from bovine adrenal medulla and splenic nerves are inhibited by Tl+++ 3×10−5 and 5×10−6 M, respectively. Tl+ up to 10−3 M is ineffective. By T1+++ in concentrations of 10−4 M or more, proteins are precipitated, so that the enzyme inhibiton by these concentrations is unspecific. If T1+ is oxidized to Tl+++ in the organism, the inhibition of granular ATPase may be responsible for the alterations of the catecholamine metabolism observed in thallium intoxication.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 254 (1966), S. 138-151 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 256 (1967), S. 333-347 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 1. In Erythrocytensuspensionen von Schweinen, Rindern und Schafen wurde über 2 Std der Glucoseverbrauch, die Lactat-, Pyruvat- und CO2-Bildung in Gegenwart von 2 · 10−5 M Phenylhydroxylamin und unter Kontrollbedingungen bestimmt. Außerdem wurden O2-Verbrauch, Methämoglobinbildung und GSH-Konzentration gemessen. Die Summen der Endprodukte aus Lactat, Pyruvat und CO2 stimmen unter Kontrollbedingungen und während der Hämoglobinoxydation mit dem gefundenen Glucoseverbrauch überein. 2. 2 · 10−5 M Phenylhydroxylamin beeinflußt in Erythrocyten aller drei Tierarten die GSH-Konzentration nicht. Es bewirkt gesteigerten Glucoseverbrauch, verminderte Lactatbildung bei erhöhter Bildung von Pyruvat und CO2. Der Sauerstoffverbrauch wird bis auf das 40 fache erhöht. Die Stimulierung des Pentosephosphatcyclus, über den in Schaferythrocyten während der Methämoglobinbildung sämtliche Glucose abgebaut wird, geht mit verminderter Recyclisierung einher. 3. Unter Kontrollbedingungen wird in Erythrocyten die aus dem Glucoseabbau gewonnene Energie zu 80% auf ATP und zu 20% auf reduzierte Pyridinnucleotide übertragen. Durch Phenylhydroxylamin wird der Energieumsatz bei fast gleicher ATP-Bildung erheblich gesteigert. Dabei treten 80% der Energie in Form reduzierter Pyridinnucleotide auf, und auf ATP entfallen nur noch 20%.
    Notes: Summary 1. The utilization of glucose, the formation of lactic, pyruvic, and carbonic acid were determined in the presence of phenylhydroxylamine (2 × 10−5M) in suspensions of the red blood cells of pigs, cows and sheep. In addition, the consumption of oxygen, the formation of methaemoglobin, and the concentration of reduced glutathione were determined. In controls and during the formation of methaemoglobin, the sum of the end products (lactic, pyruvic, and carbonic acid) at the end of the reaction agrees with the utilization of glucose. 2. Phenylhydroxylamine did not influence the concentration of reduced glutathione in the red blood cells of those animals, but increased the utilization of glucose and diminished the formation of lactic acid with simultaneous enhancement of pyruvic and carbonic acid. The consumption of oxygen is increased up to 40 times. The stimulation of pentose phosphate pathway is coupled with diminished recyclisation. In the red blood cells of sheep, the total of glucose during the formation of methaemoglobin is metabolized by this way. 3. Under control conditions 80% of the energy from glucose metabolism is converted to ATP. In the presence of phenylhydroxylamine, the formation of ATP is not decreased, but the transfer of energy to reduced pyridinnucleotides is increased in such a manner that only 20% appears in the form of ATP.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 257 (1967), S. 271-272 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 260 (1968), S. 101-102 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 261 (1968), S. 412-421 
    ISSN: 1432-1912
    Keywords: Serotonin ; Kininforming Activity ; Intestinal Mucosa ; Serotonin ; Kininbildende Aktivität ; Darmschleimhaut
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 1. Mit einer Anreicherung des Serotonins durch Fraktionierung nach Gradientenzentrifugation von Schleimhauthomogenaten aus Kaninchendünndarm geht eine Anreicherung BAEE-spaltender und kininbildender Aktivität parallel. 2. Reserpin-Vorbehandlung führte zur Abnahme von Serotonin, ohne die BAEE-spaltende Aktivität zu ändern. 3. In Anwesenheit von Trypsininhibitor aus Sojabohne und DFP verhielt sich diese esterspaltende und kininfreisetzende Aktivität wie Pankreas-Kallikrein. 4. Am Blutdruck des Hundes konnte mit den Fraktionen sowie mit dialysiertem Extrakt des 18000 g-Sedimentes von Schleimhauthomogenaten die Identität dieser Kininogenase mit Pankreas-Kallikrein jedoch nicht bestätigt werden.
    Notes: Summary 1. The distribution of BAEE splitting and kinin forming activity in subcellular fractions prepared by density centrifugation from the mucosa of rabbit small intestine runs parallel with the distribution of 5-hydroxytryptamine. 2. Reserpine pretreatment lowered the 5-hydroxytryptamine content but was without influence on the BAEE splitting activity. 3. We found no distinction between the effects of trypsin inhibitor from soya bean and DFP on the ester splitting and kinin forming activities in our samples and on those of pancreatic kallikrein. 4. On the dog blood pressure, however, it was not possible to confirm the identity of the kininogenase in our fractions or in a dialyzed extract of 18000 g sediment from mucosal homogenates with pancreatic kallikrein.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 251 (1965), S. 196-197 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 254 (1966), S. 152-158 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. Addition of ATP, G-6-P, G-6-PDH and NADP to haemolysates of erythroyctes from pigs, cows, and sheep increased the formation of methaemoglobin through phenylhydroxylamine by various degrees, according to the animal source used. The results revealed limiting factors for the formation of methaemoglobin in haemolysates. These factors are compared with the limiting factors found in intact erythrocytes. 2. Phosphorylation of glucose limits NADP reduction and, consequently, the methaemoglobin formation in haemolysates of erythrocytes from the three animals. The individual limiting factors are as follows: in sheep erythrocytes, the activity of hexokinase; in pig erythrocytes, the glucose utilisation; in cow erythrocytes, the ATP concentration. 3. When the hexokinase reaction is circumvented by the addition of G-6-P, the activity of NADPH-diaphorase limits the formation of methaemoglobin in the haemolysates of cow erythrocytes. However, the formation of methaemoglobin in haemolysates of pigs and cows can be increased by the addition of NADP before the activity of diaphorase becomes the limiting factor. 4. After adding a complete NADPH regenerating system, the velocities of methaemoglobin formation in haemolysates from the three animals were found to correlate with the corresponding disphorase activities.
    Type of Medium: Electronic Resource
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