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Virchows Archiv | 1968

Über das Verhältnis Mitochondrien: Myofibrillen in den Herzmuskelzellen der Ratte bei Druckhypertrophie des Herzens

Reinhard Poche; Cassiano Moraes de Mello Mattos; Hans-Werner Rembarz; Kurt Stoepel

A nephrogenic hypertension was induced in female albino rats by unilateral nephrectomy after ligation of the opposite kidney. Three months later the hypertrophied cardiac muscle fibers measured from 16.5–17.2 µ wide, whereas those of the control animals were only 11.0 µ. The mitochondrial-myofibril ratio fell from 0.67 to 0.33. After 12 months the mitochondrial-myofibril ratio diminished further to 0.23, although the degree of hypertrophy as determined by the width of the myocardial fiber had not increased. The results indicate that with chronic overloading of the heart, the energy reserves decline; consequently, the chronically overloaded heart is more susceptible to cardiac insufficiency than the normal heart. Bei weiblichen weißen Ratten wurde durch Ligatur einer Niere und Entfernung der anderen Niere ein nephrogener Bluthochdruck erzeugt. Nach 3 Monaten fand sich eine Hypertrophie des Herzmuskels mit Faserbreiten zwischen 16,5 und 17,2 µ gegenüber 11,0 µ bei Kontrolltieren. Dabei war das Mitochondrien/Myofibrillen-Verhältnis von 0,67 auf 0,33 abgesunken. Nach 12 Monaten war es zu einem weiteren Abfall des Mitochondrien/Myofibrillen-Quotienten auf 0,23 gekommen, obwohl der Grad der Hypertrophie, gemessen an der Breite der Herzmuskelfasern, nicht weiter zugenommen hatte. Die Befunde lassen den Schluß zu, daß bei chronischer Überlastung des Herzens die Energiereserven abnehmen, so daß das chronisch überlastete Herz anfälliger gegen eine Herzinsuffizienz ist als das normal belastete Herz.


Archive | 1972

UNSYMMETRICAL ESTERS OF 1,4-DIHYDROPYRIDINE 3,5-DICARBOXYLIC ACID

Friedrich Bossert; Horst Meyer; Kurt Stoepel; Wulf Vater


Archive | 1973

Pharmaceutical compositions containing unsymmetrical esters of 1,4-dihydropyridine 3,5-dicarboxylic acid

Horst Meyer; Friedrich Bossert; Wulf Vater; Kurt Stoepel


Archive | 1974

2-Amino-1,4-dihydropyridine derivatives

Horst Meyer; Friedrich Bossert; Wulf Vater; Kurt Stoepel


Archive | 1978

2,6-Dimethyl-3-carboxymethoxy-4-(2-nitrophenyl)-5-carbisobutoxy-1,4-dihydropyridine

Egbert Wehinger; Friedrich Bossert; Arend Heise; Stanislav Kazda; Kurt Stoepel; Wulf Vater


Archive | 1978

Nitro-substituted 1,4-dihydropyridines, processes for _their production and their medicinal use

Friedrich Bossert; Gerhard Franckowiak; Arend Heise; Stanislav Kazda; Horst Meyer; Kurt Stoepel; Robertson Towart; Egbert Wehinger


Archive | 1980

Optically active 1,4-dihydropyridines, processes for their preparation and their use as medicaments

Egbert Wehinger; Horst Meyer; Friedrich Bossert; Wulf Vater; Robertson Towart; Kurt Stoepel; Stanislav Kazda


Archive | 1982

1,4-Dihydro-2,6-dimethyl-4-(2'-chlorophenyl)-3,5-dicarboxylic acid,methyl or ethyl,trifluoroethyl ester

Egbert Wehinger; Horst Meyer; Friedrich Bossert; Wulf Vater; Robertson Towart; Kurt Stoepel; Stanislay Kazda


Archive | 1979

1,4-DIHYDROPYRIDINE COMPOUNDS, THEIR PREPARATION, PHARMACEUTICAL COMPOSITIONS CONTAINING SAID COMPOUNDS AND PREPARATION OF THESE COMPOSITIONS

Egbert Wehinger; Friedrich Bossert; Wulf Vater; Kurt Stoepel


Archive | 1978

Nitro 1,4-dihydropyridines, medicaments containing them and their manufacture

Friedrich Bossert; Gerhard Dr. Franckowiak; Arend Heise; Stanislav Kazda; Horst Meyer; Kurt Stoepel; Robertson Towart; Egbert Wehinger

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