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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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[Adrenal gland growth of the ovine fetus in the end of gestation: evolution of DNA and of membrane proteins]. 妊娠末期羊胎儿肾上腺的生长:DNA和膜蛋白的进化。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
P Durand, M Bosc, A Nicolle
{"title":"[Adrenal gland growth of the ovine fetus in the end of gestation: evolution of DNA and of membrane proteins].","authors":"P Durand,&nbsp;M Bosc,&nbsp;A Nicolle","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The adrenal weight of the ovine fetus increases dramatically during late pregnancy. This increase is achieved in three periods: one of DNA duplication between two phases of cellular hypertrophy. During cellular hypertrophy an important biosynthesis of membrane proteins is observed. This development concerns essentially the adrenal cortex.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"297-300"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322807","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 aspects of reconstitution of the basal membrane in associations of dental components cultured in vitro]. [体外培养牙组织中基底膜重构的超微结构方面]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
J M Meyer, V Karcher-Djuricic, M Osman, J V Ruch
{"title":"[Ultrastructural aspects of reconstitution of the basal membrane in associations of dental components cultured in vitro].","authors":"J M Meyer,&nbsp;V Karcher-Djuricic,&nbsp;M Osman,&nbsp;J V Ruch","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Separation of the enamel organ and pulp of mice tooth germs by trypsin removed the basal lamina. Within 18 hours in cultivated reassociations of enamel organ and pulp, a new lamina was deposited. When the epithelial component was cultivated alone, no basal lamina formed.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"329-31"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322814","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
[Excretion of sialoglycopeptides in mucolipidosis I]. [粘液脂质病中唾液糖肽的分泌]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
M Lemonnier, D Lecat, R Bourrillon, P Maroteaux
{"title":"[Excretion of sialoglycopeptides in mucolipidosis I].","authors":"M Lemonnier,&nbsp;D Lecat,&nbsp;R Bourrillon,&nbsp;P Maroteaux","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Mucolipidosis I involves a tremendous increase of the urinary excretion of sialoglycopeptides and sialyloligosaccharides. This enhancement is due to the excretion of O- and N-glycosidic peptides and oligosaccharides, which normal urine is devoid of as shown by the chemical composition and electrophoresis or thin-layer analysis. This finding is in agreement with the recent finding of an alpha-neuraminidase deficiency for this disease.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"353-6"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322816","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
[Interference of hydrazine derivatives with the tyrosinase-tyrosine reaction]. [肼衍生物对酪氨酸酶-酪氨酸反应的干扰]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
J Fourche, H Jensen, E Neuzil
{"title":"[Interference of hydrazine derivatives with the tyrosinase-tyrosine reaction].","authors":"J Fourche,&nbsp;H Jensen,&nbsp;E Neuzil","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A comparative study of the tyrosinase-tyrosine reaction, using both oxygen-consumption determination and spectrophotometric methods, shows that hydrazine derivatives inhibit melaninogenesis at different steps.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"365-8"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322819","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
[Direct electric measurement of the functioning of adenosine triphosphatase of submitochondrial particles of beef heart]. [牛心脏亚线粒体颗粒腺苷三磷酸酶功能的直接电测量]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
C Pfister, R Pougeois
{"title":"[Direct electric measurement of the functioning of adenosine triphosphatase of submitochondrial particles of beef heart].","authors":"C Pfister,&nbsp;R Pougeois","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A direct potential measurement of the activity of bound ATPase has been achieved with beef heart submitochondrial particles adhering to a thick phospholipidic membrane. Electric signals (90 mV amplitude) were found to be fully sensitive to ATPase inhibitors and uncouplers.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"341-3"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11371339","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
[Attempt at activating mouse intracisternal type A particles by iododeoxyuridine and dexamethasone]. [尝试用碘脱氧尿苷和地塞米松激活小鼠内胆A型颗粒]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
J Lasneret, M Canivet, P Bittoun, L Dianoux, J Périès
{"title":"[Attempt at activating mouse intracisternal type A particles by iododeoxyuridine and dexamethasone].","authors":"J Lasneret,&nbsp;M Canivet,&nbsp;P Bittoun,&nbsp;L Dianoux,&nbsp;J Périès","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In this study we have compared the effects of Iododeoxyridine (IUdR) and dexamethasone on different Mouse cell lines to determine any differences in their actions on intracisternal A-type particles (IAP). Among the nine cell lines studied only four responded to IUdR stimulation by a subsequent augmentation of IAP. No similar activating effect was detected with dexamethasome treatment.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"399-401"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322698","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
[Plasma estradiol levels in quail during sexual development and after different estrogenic treatments]. [不同雌激素治疗后鹌鹑性发育过程中的血浆雌二醇水平]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
C Laugier, B Clastrat, E Brard
{"title":"[Plasma estradiol levels in quail during sexual development and after different estrogenic treatments].","authors":"C Laugier,&nbsp;B Clastrat,&nbsp;E Brard","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The comparison between estradiol levels in peripheral plasma of developing quails and of estradiol benzoate treated quails (0.01, 0.02, 0.1 and 1 mg/daily/6 days) shows that only the dose of 0.01 mg reproduces the conditions of a physiological estrogen stimulation.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"293-6"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322806","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
[Speed of in vitro reassociation of gonadotropin subunits in a teleost fish, the carp (Cyprinus carpio L.)]. [在硬骨鱼类鲤鱼(Cyprinus carpio L.)体内促性腺激素亚基体外再结合的速度]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
J Marchelidon, E Fontaine-Bertrand, R Salesse, J Garnier, E Burzawa-Gérard, Y A Fontaine
{"title":"[Speed of in vitro reassociation of gonadotropin subunits in a teleost fish, the carp (Cyprinus carpio L.)].","authors":"J Marchelidon,&nbsp;E Fontaine-Bertrand,&nbsp;R Salesse,&nbsp;J Garnier,&nbsp;E Burzawa-Gérard,&nbsp;Y A Fontaine","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Purified gonadotropin subunits of a teleost Fish, the Carp, reassociated in vitro, according to a second order rate reaction. The rate constant was temperature dependent. Compared to ovine LH, the Q10 was about three times less and the rate constant much greater (160 times for instance at 20 degrees C). The possible physiological significance of these differences is underlined.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"301-4"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322809","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
[Effect of phthalic esters on lecithin cholesterol acyltransferase]. 邻苯二甲酸酯对卵磷脂胆固醇酰基转移酶的影响。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
M Lagente, F de La Farge, P Valdiguié
{"title":"[Effect of phthalic esters on lecithin cholesterol acyltransferase].","authors":"M Lagente,&nbsp;F de La Farge,&nbsp;P Valdiguié","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The in vitro effects of different esters of phthalic acid at increasing levels on the activity of LCAT have been studied using three currently known methods (Mickel and Foulds, Stokke and Norum, Alcindor). Inhibition from phthalates is high. It is proportional to the amounts used and in inverse ratio to the length of the carbon chains.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"361-4"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322818","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
[Presence of indoleamines in the pineal and parapineal organs of Lampetra planeri (Petromyzontidae)]. [在扁鳗科的松果体和顶旁器官中吲哚胺的存在]。
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles Pub Date : 1978-09-11
A Meiniel
{"title":"[Presence of indoleamines in the pineal and parapineal organs of Lampetra planeri (Petromyzontidae)].","authors":"A Meiniel","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Using the Falck and Hillarp technique, the precursors of melatonin (5-HT and may be 5-HTP) have been identified in the pineal and parapineal organs of Lampetra planeri (Petromyzontidae). A particular kind of cell, the so-called \"cells with residual bodies\" (Collin, 1968), is responsible for this neurohormonal activity of the two organs.</p>","PeriodicalId":10544,"journal":{"name":"Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles","volume":"287 4","pages":"313-6"},"PeriodicalIF":0.0,"publicationDate":"1978-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322811","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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