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Summary During the postnatal growth of diaphragm in swiss albino mice, a continuous decline in glycogen content reciprocates with the increasing SDH-activity and protein accumulation. An inverse relationship between DNA-contents and the basic protein levels points towards the regulatory behaviour of the latter during protein synthesis. While the variations in the contents of DNA and RNA speak of a feedback mechanism operative between the 2 nucleic acids during the postnatal growth, the fluctuations in RNA appear to be significant in determining the amount of acidic proteins, in this muscle. 相似文献
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O. M. Rennert 《Cellular and molecular life sciences : CMLS》1972,28(5):539-540
Zusammenfassung Virologische Untersuchungen einer Mäuseleukämie, die sich durch eine «subzelluläre onkogene Komponente» übertragen lässt.
This work was supported in part by the Developmental Physiology Training Grant No. NIH T1-HD0054; NIH Training Grant No. 1 T01 AMO-5680-01 DM; General Research Support Grant No. 623; and aided by a grant from the National Foundation — March of Dimes. This research was conducted in facilities accredited by the American Association for Accreditation of Laboratory Animal Care. 相似文献
This work was supported in part by the Developmental Physiology Training Grant No. NIH T1-HD0054; NIH Training Grant No. 1 T01 AMO-5680-01 DM; General Research Support Grant No. 623; and aided by a grant from the National Foundation — March of Dimes. This research was conducted in facilities accredited by the American Association for Accreditation of Laboratory Animal Care. 相似文献
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Summary Daily feeding of the common food color Orange II to mice in doses of up to 3.0 g/kg b.wt for 180 days had deleterious effects on somatic and spermatogonial chromosomes. The chromosomal abnormalities induced were breaks, gaps, constrictions, centric fusion, fragments of unknown origin, translocation, deletion, stickiness, ring chromosomes, pyknosis and other bizarre configurations.Grateful acknowledgment is made to Prof. U.S. Srivastava, Zoology Department for providing necessary laboratory facilities. 相似文献
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J. K. Saxena S. Khare A. K. Srivastava A. B. Sen S. Ghatak 《Cellular and molecular life sciences : CMLS》1985,41(4):472-474
Summary Changes in liver acid hydrolase activities during the infection of albino rats,Mastomys or mice withPlasmodium berghei are described. B-Glucosidase, B-galactosidase and N-acetyl-B-D-glucosaminidase exhibited widely different responses with acid phosphatase and cathepsin-B the least responsive and are likely to be causally related to immunity of animals. 相似文献
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BLOCH S 《Experientia》1958,14(4):141-142
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Zusammenfassung Das Serum von Uremikern inhibiert die Glukoseutilisation im Rattendiaphragma. Der Sauerstoffverbrauch ändert sich nicht trotz niedrigerer Glukoseutilisation, da dieselbe durch eine erhöhte Auswertung anderer Substrate im Diaphragma kompensiert wird. Ein erhöhter Glykogen-, Laktat- und -ketoglutarat-Verbrauch konnte bewiesen werden. 相似文献
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Changes in liver acid hydrolase activities during the infection of albino rats, Mastomys or mice with Plasmodium berghei are described. B-Glucosidase, B-galactosidase and N-acetyl-B-D-glucosaminidase exhibited widely different responses with acid phosphatase and cathepsin-B the least responsive and are likely to be causally related to immunity of animals. 相似文献
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C. Chakraborty A. K. Chakraborty D. P. Chakraborty 《Cellular and molecular life sciences : CMLS》1984,40(4):363-363
Summary The skin of black rats contains less tryptophan than the skin of albino rats, possibly because the activity of tryptophan pyrrolase is higher. The opposite is found in liver, possibly because tryptophan pyrrolase activity is lower in the livers of black rats.Acknowledgments. The authors wish to thank Dr S.C. Bhattacharyya and Dr A. K. Barua, Bose Institute, for their interest in the work. The work was supported by the Council of Scientific and Industrial Research, New Delhi. 相似文献
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Zusammenfassung Eine neuer Befund von hormonaler Beeinflussung des Histaminmetabolismus wird beschrieben und ein bisher nicht erkannter Metabolit wird chromatographisch nachgewiessen. Under dem Einfluss von Testosteron wird der Metabolit in grosser Menge in Urin der Maus ausgeschieden, während zugleich freies Histamin fast verschwindet, was dafür spricht, dass es sich um einen Histaminmetaboliten handelt, dessen chemische Struktur noch nicht festgestellt ist und von verschiedenen bekannten Histaminmetaboliten abgegrenzt werden kannte.
This study was supported by grants from the Swedish Medical Research Council No. B70-14x-2212-04 and from the Swedish Society for Cancer Research No. 268-K70-01 X. 相似文献
This study was supported by grants from the Swedish Medical Research Council No. B70-14x-2212-04 and from the Swedish Society for Cancer Research No. 268-K70-01 X. 相似文献
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G. Attardi 《Cellular and molecular life sciences : CMLS》1955,11(7):276-277
Résumé L'auteur a mis en évidence une activité contractile spontaneée et rythmique de type péristaltique dans les artères centrales et périphériques et dans quelques veines du système porte et de la moitié postérieure du corps, cultivées «in vitro». Les observations ont été faites sur un Oiseau (Carduelis carduelis) et un Mammifère (Mus musculus). 相似文献
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Summary In the subretinal space of albino mice, macrophages appear from the time of eye opening and increase in number for 6 months; thereafter they decline with age. Dark rearing retards the accumulation of these cells, and exposure to constant light results in a rapid increase. Observations suggest that macrophages appear as a response to visual cell decay in albino mice and supplement the phagocytic activity of the pigment epithelium.We thank R.K. Hawkins for efficient management of the animal colony, H.G. Jansen for cooperation in the use of electron microscope and Ms Paula van Alphen for help in preparation of the illustrations. 相似文献