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Résumé Comme le cromoglycate disodique et la diéthylcarbamazine (qui ne sont pas des antistaminiques) inhibent la réaction d'hypersensibilité immédiate chezPleuronectes platessa à la suite d'une injection intradermique d'extraits fungiques, il semble que les médiateurs autres que l'histamine peuvent être impliqués. 相似文献
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Summary Administration of small doses ofl-DOPA (10 and 20 mg/kg) resulted in reduction in amplitude of photically evoked responses in the primary visual, association, and cerebellar vermal cortices, while large doses (40 and 80 mg/kg) produced enhancement.Acknowledgment. We thank Prof.K. Kuriyama and Sr.M. McCormick for their help. 相似文献
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M. Maskrey 《Cellular and molecular life sciences : CMLS》1977,33(3):353-354
Summary Rabbits in which thermal panting has been inhibiting by previous cold exposure or by water deprivation respond to a raised ambient temperature with an increase in tidal volume. By so doing, they are able to maintain a minute volume appropriate to their thermoregulatory requirements. 相似文献
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An alkaline hemoglobinolytic protease was extracted from the delayed hypersensitivity skin lesions induced by bovine gamma-globulin as an antigen in the guinea-pig. The enzyme was heat-labile and inhibited by thiol-blocking reagents. The mol.wt. was more than 100,000 and optimal pH around 9. 相似文献
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D Gill 《Experientia》1979,35(3):400-401
Following Hirschfeld et al., dithionite was added to mounting media to inhibit fluorescence fading. Excellent response is reported for fluorescein, acridine orange, 33258 Hoechst, acriflavine, berberine (and ethidium bromide), but not for quinacrine. 相似文献
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G Zbinden 《Experientia》1975,31(9):1058-1060
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Sulpiride (120 mg/kg, i.p.) inhibited saline-induced diuresis in the rat, an effect not observed with haloperidol, clozapine, pimozide or chloromazine. The antidiuretic effect of sulpiride also occurred in hypophysectomized rats suggesting that the response was not prolactin-mediated. 相似文献
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Verapamil and other organic calcium-antagonists inhibit the A23187-mediated translocation of calcium from an aqueous into an organic phase. 相似文献
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S Kawashima 《Experientia》1991,47(7):709-712
Tissue-type transglutaminase (TGase) was purified from rat liver, and the effects of nucleotides on its activity were examined. The enzyme activity is inhibited by ATP in a concentration-dependent way, with complete inhibition by 3 mM ATP. Partially-purified TGase from human brain was inhibited by ATP in a manner similar to that observed with the rat liver enzyme. This suggests that the inhibition is a common phenomenon for tissue-type TGase in all species and tissues. The inhibition is reversible since full activity is restored by lowering the ATP concentration. CTP has a TGase-inhibitory potency equivalent to that of ATP, whereas GTP and UTP possess about 50% of the inhibitory activity of ATP. ADP inhibits TGase activity to the same extent as ATP, but AMP causes much less inhibition, and there is no inhibition by adenosine or adenine. The inhibition by ATP is insensitive to ionic strength and is non-competitive with the substrate putrescine. Since ATP levels in cells are of mM order, these results suggest that TGase activity is controlled by ATP in vivo. 相似文献
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Both ribosomal factors and cytosolic inhibitors are involved in the reduction of the rate of protein synthesis which occurs in the ischaemic hepatocyte from control and phenobarbitone-treated livers. Of these 2 factors it is the latter which seems to play a major role in determining the irreversible impairment of protein synthesis. Phenobarbitone administration has no effect on the rate of protein synthesis of ischaemic and post-ischaemic hepatocyte. 相似文献
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The vasoconstrictors angiotensin II, vasopressin and the alpha-sympathomimetic phenylephrine significantly inhibit the renin release caused by the beta-sympathomimetic isoprenaline. The mechanism of the inhibition is discussed. 相似文献
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H. Kaciuba-Uscilko K. F. Legge L. E. Mount 《Cellular and molecular life sciences : CMLS》1969,25(12):1329-1330
Résumé Deux augmentations, l'une immédiate et l'autre latente, s'observent dans la consommation d'oxygène après injection sous-cutanée de thyroxine au porcelet nouveau-né. L'augmentation immédiate présente un maximum environ 4 h après l'injection. Elle a été la plus forte chez les porcelets de l'âge 1 à 4 journées.
British Council Scholar on leave of absence from Institute of Animal Physiology and Nutrition, Jablonna, Warsaw. 相似文献
British Council Scholar on leave of absence from Institute of Animal Physiology and Nutrition, Jablonna, Warsaw. 相似文献
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Zusammenfassung Nachweis einer Sensibilisierung des Meerschweinchens durch intradermale Injektion von Carrageenan, was zu «passiv übertragbaren» Spätreaktionen führte.
The authors wish to thank to MissI. Kawana, MissA. Saito and MissA. Chida for their technical assistance and Prof.Y. Horiuchi for his advice. 相似文献
The authors wish to thank to MissI. Kawana, MissA. Saito and MissA. Chida for their technical assistance and Prof.Y. Horiuchi for his advice. 相似文献