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Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles最新文献

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[Development of thyroid peroxidase activity during the early stage of iodine deficiency in the hypophysectomized rat]. [去垂体大鼠缺碘早期甲状腺过氧化物酶活性的变化]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
P Fragu, M Tubiana
{"title":"[Development of thyroid peroxidase activity during the early stage of iodine deficiency in the hypophysectomized rat].","authors":"P Fragu,&nbsp;M Tubiana","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The iodide-peroxidase activity of the thyroid gland remains, in hypophysectomized Rats maintained on a low iodine diet, below normal value. This result suggests that the early increase of peroxidase activity observed in control Rats maintained on a low iodine diet is TSH dependent.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1393-5"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11334373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Modulation of humoral immunity in the mouse by means of grafts carrying reticulated polysaccharides]. [通过携带网状多糖的移植物调节小鼠体液免疫]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
T Nguyen-Dang, M Mayer, M Hayat, E Chenu, M M Janot
{"title":"[Modulation of humoral immunity in the mouse by means of grafts carrying reticulated polysaccharides].","authors":"T Nguyen-Dang,&nbsp;M Mayer,&nbsp;M Hayat,&nbsp;E Chenu,&nbsp;M M Janot","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Synthetic reticulated polysaccharides grafted with linear amino-acids or amines have been submitted to the test of localized hemolysis in gel (Jerne). Some of them show a statistically highly significant immuno-stimulating power in Mice.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1457-61"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11334382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Cloning of the hepatitis B virus genome in Escherichia coli]. [大肠杆菌中乙肝病毒基因组的克隆]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
A Fritsch, C Pourcel, P Charnay, P Tiollais
{"title":"[Cloning of the hepatitis B virus genome in Escherichia coli].","authors":"A Fritsch,&nbsp;C Pourcel,&nbsp;P Charnay,&nbsp;P Tiollais","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The whole genome of the hepatitis B virus (Dane particles) was inserted in vitro in the genome of the bacteriophage lambda gtWES . LAMBDA B. The recombinant DNA molecule was cloned in E. coli. Amplification of the hybrid bacteriophage enables the preparation of large amounts of hepatitis B virus DNA. The possibilities offered by the utilization of this recombinant bacteriophage are discussed.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1453-6"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11377197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Specific binding of 3H-progesterone to a plasma protein in the guinea pig fetus]. [3h -孕酮与豚鼠胎儿血浆蛋白的特异性结合]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
A Millet, J R Pasqualini
{"title":"[Specific binding of 3H-progesterone to a plasma protein in the guinea pig fetus].","authors":"A Millet,&nbsp;J R Pasqualini","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The presence of a protein that binds specifically and with high affinity to progesterone is found in the plasma of fetal guinea Pig. Progesterone and 5 alpha-dihydroxyprogesterone strongly compete for the 3H-progesterone-protein complex. 5 beta-dihydroxy progesterone, 20 beta-dihydroxyprogesterone, testosterone and synthetic progestagen, R-5020 (17,21-dimethyl-19-norpregna-4, 9-diene-3,20 dione), also compete but less intensely. 17-hydroxyprogesterone, aldosterone, cortisol, oestradiol and oestrone have no effect. The 3H-progesterone-protein, complex has an affinity of Kd = 8.8 +/- 3.5 x 10(-10) M and in sucrose density gradient the sedimentation coefficient is 4.6 S.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1429-32"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11334377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Effects of cyclic AMP treatment on the migration of primordial germ cells in the embryo of Xenopus laevis]. [环AMP处理对非洲爪蟾胚胎原始生殖细胞迁移的影响]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
J D Gipouloux, C Girard, M Delbos
{"title":"[Effects of cyclic AMP treatment on the migration of primordial germ cells in the embryo of Xenopus laevis].","authors":"J D Gipouloux,&nbsp;C Girard,&nbsp;M Delbos","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>After a treatment of early embryos by AMPc, only 40% of the primordial germ cells are found in the gonads; the others are found in the dorsal mesentery and especially in the intestinal wall.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1425-7"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11440849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Ultrastructural identification of the nucleolus organizer by the silver staining technic]. [用银染色技术鉴定核仁组织者的超微结构]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
D Hernandez-Verdun, J Hubert, C Bourgeois, M Bouteille
{"title":"[Ultrastructural identification of the nucleolus organizer by the silver staining technic].","authors":"D Hernandez-Verdun,&nbsp;J Hubert,&nbsp;C Bourgeois,&nbsp;M Bouteille","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The nucleolus organizer regions can be selectively stained in metaphase chromosome preparations by the Goodpasture and Bloom's technique which was adapted to electron microscopy analysis of cells during interphase. Using this technique, a selective accumulation of silver grains was observed over nucleolus light areas. This selective accumulation allows the identification of the interphase fibrillar centers as the nucleolus organizer regions. Ultrastructural relationships between fibrillar centers and dense fibrillar component are discussed.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1421-3"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11309895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Existence of a non-retinotopic contralateral retino-tectal visual projection in the normal frog Rana esculenta L]. [在正常蛙蛙中存在非视网膜着位的对侧视网膜顶盖视觉投影]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
F Gaillard, G Galand
{"title":"[Existence of a non-retinotopic contralateral retino-tectal visual projection in the normal frog Rana esculenta L].","authors":"F Gaillard,&nbsp;G Galand","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In the Frog, after unilateral optic nerve and tract section, contralateral visual responses were recorded in the tectum ipsilateral to the section. These responses were elicited by stimulation of a unique spatial region located near the projection of the contralateral eye optic axis and could be randomly recorded on the tectal surface. The possible pathways and the role of such retino-tectal afferences are discussed.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1405-8"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11334374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Ultrastructure of gonadotropic cells of the normal eel and after estradiol injection]. [正常鳗鲡及注射雌二醇后促性腺细胞超微结构]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
M Olivereau, P Chambolle
{"title":"[Ultrastructure of gonadotropic cells of the normal eel and after estradiol injection].","authors":"M Olivereau,&nbsp;P Chambolle","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Male and female silver eels, in fresh water or sea water, have few gonadotrophs (GTH) poorly differentiated. An oestradiol (E2) treatment induces their development: a well developed Golgi area, abundant secretory granules (200-500 nm), dilated cisterna and large globules 1.2-2.2 micron) are observed. A positive feedback may control gonadotropin synthesis in immature eels. No macroscopic effect is discernible on the gonad.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1409-12"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11334375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Role and origin of the centriole]. [中心粒的作用和起源]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
M Bornens
{"title":"[Role and origin of the centriole].","authors":"M Bornens","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The centriole could constitute a system of inertia in the cell, providing the system of references controlling the movement of the cell. It would ensure equally the coherence of cell metabolism and its stability. The origin and functioning of the centriole would be linked to a singel physical phenomenon.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1417-20"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11334376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Type of interactions between agarose and Aspergillus niger endopolygalacturonases]. [琼脂糖和黑曲霉内聚半乳糖醛酸酶之间相互作用的类型]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-12-01
J F Thibault
{"title":"[Type of interactions between agarose and Aspergillus niger endopolygalacturonases].","authors":"J F Thibault","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Endopolygalacturonase has been purified by binding on Sepharose 6 B gel; studies on interactions between agarose and the enzymes have shown that endopolygalacturonase chromatography on Sepharose 6 B was on ion-exchange chromatography and did not involve biospecific interactions.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 16","pages":"1433-6"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11334378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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