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

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[In vivo and in vitro incorporation of 3H-thymidine in the uterus of the rabbit during pseudopregnancy]. [假妊娠兔子宫内3h -胸腺嘧啶的体内外掺入]。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-29
J M Meyer
{"title":"[In vivo and in vitro incorporation of 3H-thymidine in the uterus of the rabbit during pseudopregnancy].","authors":"J M Meyer","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>During pseudopregnancy in the Rabbit the DNA synthesis in the uterine epithelium is very reduced. These results conjoined with the decrease of the mitotic index and previous ultrastructural observations allow to think that multinucleated cells proceed mainly by cell fusion.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 4","pages":"421-3"},"PeriodicalIF":0.0,"publicationDate":"1980-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17829330","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
[Comparative induction of viral antigen synthesis in various types of cells infected by polyoma virus]. 多瘤病毒感染不同类型细胞诱导病毒抗原合成的比较
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-22
C de Micco, M F Tripier, N Beau, G Meyer
{"title":"[Comparative induction of viral antigen synthesis in various types of cells infected by polyoma virus].","authors":"C de Micco,&nbsp;M F Tripier,&nbsp;N Beau,&nbsp;G Meyer","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Induction of synthesis of the viral antigens T and V during polyoma virus infection was studied in primary Mouse and Hamster kidney and brain cultures, as well as in various types of human cells. The results show that: (1) Despite a very low percentage of positive cells by immunofluorescence, Hamster brain cells produced more viral antigen than kidney cells, as opposed to what was found in Mouse brain cells. (2) Most human cells produced neither T nor V antigens. Conversely, a large number of brain cells synthesized the T antigen very early after infection.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 3","pages":"333-6"},"PeriodicalIF":0.0,"publicationDate":"1980-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17317378","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
[Determination of bone calcium: correlation between results of compartmental analysis and neutron activation analysis]. [骨钙的测定:室室分析结果与中子活化分析结果的相关性]。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-22
M J Fauran-Clavel, J Oustrin, B Mazière
{"title":"[Determination of bone calcium: correlation between results of compartmental analysis and neutron activation analysis].","authors":"M J Fauran-Clavel,&nbsp;J Oustrin,&nbsp;B Mazière","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In cadmium exposed Rats correlation analysis of calcium deep bone assessed by compartimental analysis and results of bone calcium determination by neutron activation shows a significative relationship between both values.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 3","pages":"329-32"},"PeriodicalIF":0.0,"publicationDate":"1980-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17829321","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
[Melanotropic hormone of goldfish (Carassius auratus L.): radioimmunologic comparison with synthetic alpha-MSH]. 金鱼(Carassius auratus L.)的促黑激素:与合成α - msh的放射免疫学比较。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-22
E Follénius, G Schmitt, A Meunier
{"title":"[Melanotropic hormone of goldfish (Carassius auratus L.): radioimmunologic comparison with synthetic alpha-MSH].","authors":"E Follénius,&nbsp;G Schmitt,&nbsp;A Meunier","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>alpha MSH from the neuro-intermediate lobe of the pituitary gland of the goldfish displays a competitive behaviour in an RIA for synthetic alpha MSH. The inhibition curves from neuro-intermediate homogenates parallel the standard curve (P < 0,01) but two major pools of immunoreactive peptides have been separated by Sephadex gel chromatography. The neuro-intermediate lobe contains 480 +/- 56 ng (S.E.M.) of immunoreactive alpha MSH.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 3","pages":"337-40"},"PeriodicalIF":0.0,"publicationDate":"1980-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17829322","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 heterogeneity and assumed mode of formation of Mallory bodies in acute alcoholic hepatitis and in experimental hepatitis]. 急性酒精性肝炎和实验性肝炎中马洛里小体的超微结构异质性和假定的形成模式。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-22
P Vic, G Sablier, C Humeau, P Sentein, H Michel
{"title":"[Ultrastructural heterogeneity and assumed mode of formation of Mallory bodies in acute alcoholic hepatitis and in experimental hepatitis].","authors":"P Vic,&nbsp;G Sablier,&nbsp;C Humeau,&nbsp;P Sentein,&nbsp;H Michel","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Mallory bodies (MB) are characteristic features of human and experimental hepatitis they exhibit, by electron microscope, an heterogeneous structure. We propose a mode of formation of such MB, which would take place un a progressive way from simple form (bundles of microfilaments) to complex form (typical MB).</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 3","pages":"341-7"},"PeriodicalIF":0.0,"publicationDate":"1980-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17829324","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
[Modifications in the time course of the responses of spindle primary endings to small periodic changes in length produced by a slow muscle stretch]. [纺锤体初级末梢对缓慢肌肉拉伸产生的长度小周期性变化的反应时间过程的改变]。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-22
F Emonet-Dénand, Y Laporte, A Tristant
{"title":"[Modifications in the time course of the responses of spindle primary endings to small periodic changes in length produced by a slow muscle stretch].","authors":"F Emonet-Dénand,&nbsp;Y Laporte,&nbsp;A Tristant","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The time course of the responses of primary endings to periodic small changes of length (de-efferented spindles of Cat soleus muscles) is progressively modified during slow muscle stretch. Alterations observed at the end of stretch suggest that they are due to the same mechanism which is responsible for the \"initial burst\".</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 3","pages":"349-51"},"PeriodicalIF":0.0,"publicationDate":"1980-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17509095","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
[Mode of action of a soluble restricted factor, a suppressor of the allogeneic proliferative response in man]. [一种可溶性限制因子的作用模式，抑制人类异体增生反应]。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-15
M Sasportes, E Carosella, A Bensussan, D Fradelizi, J Dausset
{"title":"[Mode of action of a soluble restricted factor, a suppressor of the allogeneic proliferative response in man].","authors":"M Sasportes,&nbsp;E Carosella,&nbsp;A Bensussan,&nbsp;D Fradelizi,&nbsp;J Dausset","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Appearance of \"suppressor cells\" is induced by in vitro hyperimmunization of lymphocytes against allogeneic cells, incompatible for one HLA-DR antigen. These \"suppressor cells under certain conditions, release in the culture medium, \"suppressor factors\" of the in vitro allogeneic proliferative response in Man. They are not immunoglobulins and act in a non specific way towards the stimulators. Only one of them is restricted to some individuals. This is shown when either responders or stimulators are incubated for different periods, with the \"suppressor factors\" prior to the primary mixed lymphocyte reaction (MLRI). The beneficial effect of transfusions on kidney graft survival, could be, in part, explained by a suppressor mechanism, analogous to the one described in vitro.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 2","pages":"219-24"},"PeriodicalIF":0.0,"publicationDate":"1980-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17507275","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
[Inhibition of the 3' to 5' exonuclease activity of the DNA polymerase I of Escherichia coli by deoxyribonucleotides]. [脱氧核糖核苷酸对大肠杆菌DNA聚合酶I 3′~ 5′外切酶活性的抑制]。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-15
M Granger, F Toulmé, C Hélène
{"title":"[Inhibition of the 3' to 5' exonuclease activity of the DNA polymerase I of Escherichia coli by deoxyribonucleotides].","authors":"M Granger,&nbsp;F Toulmé,&nbsp;C Hélène","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The 3' à 5' exonuclease activity of E. coli DNA-polymerase I is inhibited by nucleotides and deoxynucleotides at concentrations (< 1 mM) where polymerase activity is not affected. This inhibitory effect depends on the nature of the excised deoxynucleotide, excision of purines being much less inhibited than that of pyrimidines. It does not depend on the purine or pyrimidine nature of the inhibitor.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 2","pages":"203-6"},"PeriodicalIF":0.0,"publicationDate":"1980-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17316906","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
[Activities of enzymes synthesizing catecholamines in areas of the brain stem in sudden infant death]. [婴儿猝死时脑干区域合成儿茶酚胺的酶的活性]。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-15
L Denoroy, N Kopp, N Gay, E Bertrand, J F Pujol, R Gilly
{"title":"[Activities of enzymes synthesizing catecholamines in areas of the brain stem in sudden infant death].","authors":"L Denoroy,&nbsp;N Kopp,&nbsp;N Gay,&nbsp;E Bertrand,&nbsp;J F Pujol,&nbsp;R Gilly","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In victims of Sudden Infant Death Syndrome, the activity of phenylethanolamine-N-methyltransferase was found to decrease in the nucleus retroambigu, the Kolliker-Fuse nucleus and the C 2 area of medulla, whereas a decrease in the dopamine-beta-hydroxylase activity was found only in the C 2 area. These results suggest a hypoactivity of adrenergic neurons in respiratory and cardiac centres in the Sudden Infant Death Syndrome.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 2","pages":"245-8"},"PeriodicalIF":0.0,"publicationDate":"1980-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17828789","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
[Use of the degeneracy of the genetic code by selective pressure to cut up genes of procaryote genomes]. [利用遗传密码的退化通过选择压力来切割原核生物基因组的基因]。
Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles Pub Date : 1980-09-15
F Rodier, J Gabarro-Arpa, R Ehrlich, C Reiss
{"title":"[Use of the degeneracy of the genetic code by selective pressure to cut up genes of procaryote genomes].","authors":"F Rodier,&nbsp;J Gabarro-Arpa,&nbsp;R Ehrlich,&nbsp;C Reiss","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The DNA sequences of three bacteriophages are analysed in order to localise those parts coding for a protein. A weak stability on the DNA molecule allows us to characterize the beginning and the end of genes. A survey of the codons used shows that the cause for this weak stability is the systematic use of A-T bases in third position, which is made possible by the degeneracy of the genetic code.</p>","PeriodicalId":10605,"journal":{"name":"Comptes rendus des seances de l'Academie des sciences. Serie D, Sciences naturelles","volume":"291 2","pages":"199-202"},"PeriodicalIF":0.0,"publicationDate":"1980-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17507274","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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