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61.
A. Chaudhuri D. Ghosh A. K. Chatterjee N. M. Biswas P. K. Ghosh 《Cellular and molecular life sciences : CMLS》1991,47(1):86-88
Summary Removal of the ventral prostate gland in adult male rats causes an increase in adrenal weight, and stimulation of adrenal
5-3-hydroxysteroid dehydrogenase activity along with elevation of serum levels of corticosterone and prolactin. 相似文献
62.
A. Chatterjee 《Cellular and molecular life sciences : CMLS》1965,21(9):545-546
Zusammenfassung Die Wirkung von Chlorpromazin auf die Hodenfunktion der Ratte wurde untersucht und dabei gefunden, dass Chlorpromazin eine Degeneration des Rattenhodens verursacht. 相似文献
63.
64.
Zusammenfassung AusRauwolfia serpentina Benth. wurde das neue Alkaloid Serpin, C21H26O3N2, Smp. 213–14°, isoliert. Es ist mit Yohimbin isomer. Das Alkaloid enthält eine-OH- und eine -COOCH3-Gruppe. Das I.R.-Spektrum des Serpins zeigt die typische -COOMe-Bande (5,80µ). Eine Iminogruppierung -NH wird durch die intensive 2,95-µ-Bande verursacht. Bei der Bande bei 2,75µ handelt es sich um eine Hydroxyl-Gruppierung. Nach seinem UV.-Spektrum und IR.-Spektrum handelt es sich um ein Indolalkaloid. Durch Dehydrierung des Serpins mit Selenstaub wurdeYobyrin, das sogenannte «Tetrabyrin» undKetoyobyrin gebildet. Aus diesen Spaltstükken ergab sich die Konstitutionsformel des Serpins. 相似文献
65.
The GPI-anchor and protein sorting 总被引:8,自引:0,他引:8
Glycosylphosphatidylinositol (GPI)-anchored proteins (GPI-APs) are a diverse class of proteins that are anchored to the membrane solely via means of a posttranslational lipid modification, the GPI-moiety. Since their discovery in the late 1970s, years of research have provided significant insight into the functions of this ubiquitous modification. In addition to the structure and biosynthesis of the GPI-moiety, perhaps the best-studied feature of this glycolipid is its ability to impart characteristic membrane-trafficking properties to the proteins that it anchors. Study of the mechanism of sorting of GPI-APs has brought to light the importance of lateral heterogeneities in cell membranes, termed rafts, in biological sorting processes. The focus of this review is to examine the emerging role of the GPI-anchor and mechanisms involved in GPI-AP sorting in the context of intracellular trafficking pathways. 相似文献
66.
A. Chatterjee 《Cellular and molecular life sciences : CMLS》1966,22(6):395-396
Zusammenfassung Es wird gezeigt, dass CCl4 (Carbontetrachloride) nicht nur eine hepatotoxische Wirkung besitzt, sondern offenbar auch eine endokrine Komponente, die wahrscheinlich an der Hypophyse angreift. 相似文献
67.
68.
A. K. Chatterjee Jayasri Basu S. C. Datta Kasturi Sen Gupta B. B. Ghosh 《Cellular and molecular life sciences : CMLS》1977,33(3):291-292
Summary L-lysine administration to male weanling rats at a dose of 110.4 mg (25% LD50) per 100 g body weight per day for 15 days reduced the liver total ascorbic acid level. The biosynthesis as well as the degradation of L-ascorbic acid was diminished under these conditions. The fall in liver total ascorbic acid level after L-lysine administration was ascribed to its reduced synthesis.Acknowledgment. The authors are thankful to the Council of Scientific and Industrial Research, India, for providing Junior Research Fellowships to Miss J. Basu and Miss K. Sen Gupta. 相似文献
69.
T. K. Chatterjee J. A. Spadaro R. W. Vook 《Cellular and molecular life sciences : CMLS》1978,34(12):1635-1636
Summary Two-stage plastic replicas of fresh and vacuum dried rat tail collagen were examined by electron microscopy. Microphotometer tracings made from the replica micrographs showed that the surface of the collagen has a periodic undulating topography which includes an approximately 20–40 Å deep depression located within the major band distance.This work was supported by the Hendricks Research Fund No. 93252 and the V. A. Research Service Project No. 098-147718-01. 相似文献
70.
This paper evaluates six optimal and four ad hoc recursive combination methods on five actual data sets. The performance of all methods is compared to the mean and recursive least squares. A modification to one method is proposed and evaluated. The recursive methods were found to be very effective from start-up on two of the data sets. Where the optimal methods worked well so did the ad hoc ones, suggesting that often combination methods allowing ‘local bias’ adjustment may be preferable to the mean forecast and comparable to the optimal methods. 相似文献