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Revista brasileira de pesquisas medicas e biologicas最新文献

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Yersinia enterocolitica as a cause of infantile diarrhoea in Rio de Janeiro, Brazil. 小肠结肠炎耶尔森菌在巴西里约热内卢引起婴儿腹泻。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-12-01
M Stumpf, I D Ricciardi, N Oliveira, A Sabrá, M Bernhoeft
{"title":"Yersinia enterocolitica as a cause of infantile diarrhoea in Rio de Janeiro, Brazil.","authors":"M Stumpf,&nbsp;I D Ricciardi,&nbsp;N Oliveira,&nbsp;A Sabrá,&nbsp;M Bernhoeft","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Yersinia enterocolitica is reported as the causative agent of infantile diarrhoea in Rio de Janeiro. Four strains were isolated from 70 children with diarrhoea. Apparently, this is the first report of Y. enterocolitica-associated diarrhoea in Latin-America.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 6","pages":"383-4"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11949784","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
Induction kinetics of delayed hypersensitivity towards Mycobacterium tuberculosis and M. avium: analysis of cross-reactions elicited by PPD-tuberculin and PPD-B. ppd -结核菌素和PPD-B引起的延迟性超敏反应的诱导动力学。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-12-01
H L David, M Selin, P P Gontijo Filho, E Beam, M Sud
{"title":"Induction kinetics of delayed hypersensitivity towards Mycobacterium tuberculosis and M. avium: analysis of cross-reactions elicited by PPD-tuberculin and PPD-B.","authors":"H L David,&nbsp;M Selin,&nbsp;P P Gontijo Filho,&nbsp;E Beam,&nbsp;M Sud","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 6","pages":"313-9"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11328875","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
Bacteriophage specificity in the identification of Yersinia pestis as compared with other enterobacteria. 鼠疫耶尔森菌噬菌体特异性鉴定与其他肠杆菌的比较。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-12-01
M P Nunes, I Suassuna
{"title":"Bacteriophage specificity in the identification of Yersinia pestis as compared with other enterobacteria.","authors":"M P Nunes,&nbsp;I Suassuna","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Bacteriophage typing of Yersinia pestis and the specificity of the phage among Enterobacteriaceae were investigated. The bacteriophage used for rapid identification of Y. pestis reacted with representative strains of all recognized species of Shigella as well as with Salmonella cholerae-suis. Reactive Shigella serotypes were Sh. dysenteriae 1 and 9, Sh. flexneri 2a, Sh. boydii 1 and 6, and Sh. sonnei. Patterns consisting of isolated plaques (two cases) or absence of plaques were observed when the routine test dilution (RTD) of the phage was used. Results were independent of the incubation temperature (20, 28 or 37 degrees C). Representative strains of Escherichia, Proteus, Providencia and Klebsiella were resistant to the bacteriophage even at 1000 X the RTD established for Y. pestis.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 6","pages":"359-63"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11583374","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
The effect of N-2-cyano-ethylamphetamine. HCl on total lipid contents of placenta and some material and fetal tissues of the rat. n -2-氰基乙基安非他明的作用。盐酸对大鼠胎盘及部分物质和胎儿组织总脂含量的影响。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-12-01
L Kulay, R M Oliveira-Filho, S F Siciliano, M N Kulay
{"title":"The effect of N-2-cyano-ethylamphetamine. HCl on total lipid contents of placenta and some material and fetal tissues of the rat.","authors":"L Kulay,&nbsp;R M Oliveira-Filho,&nbsp;S F Siciliano,&nbsp;M N Kulay","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Female rats received 1.25 mg/kg body weight of N-2-cyano-ethylamphetamine. HCl (Fenproporex chlorhydrate) by oral route, once daily from the 5th to the 21st day of pregnancy, and compared to untreated pregnant rats, showed an increased total lipid content in maternal blood and fetal hearts; liver and heart have had total lipids decrease, while in placenta and fetal livers they were not observed significant differences.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 6","pages":"325-8"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11951207","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
[A logical model for virus-cell interaction (author's transl)]. [病毒-细胞相互作用的逻辑模型(作者译)]。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-10-01
F P Câmara
{"title":"[A logical model for virus-cell interaction (author's transl)].","authors":"F P Câmara","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The model for the virus-cell interaction, based on von Neumann's theory of Self-Reproducing Automata, can be improved to consider the evolutionary adaptation which result from the interaction between structures subject to evolution. Theoretical considerations derived from the model are discussed.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 4-5","pages":"245-7"},"PeriodicalIF":0.0,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11926044","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
[Growth control of experimental tumour. I. Host protection against tumour by previous inoculation of plasmatic membrane of tumour cell (author's transl)]. 实验肿瘤的生长控制。1 .通过预先接种肿瘤细胞的质膜来保护宿主抗肿瘤(作者译)。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-10-01
R M Gomes, P A Preza, V C Bastos, M G Coelho, K Kovary, H de Castro Faria
{"title":"[Growth control of experimental tumour. I. Host protection against tumour by previous inoculation of plasmatic membrane of tumour cell (author's transl)].","authors":"R M Gomes,&nbsp;P A Preza,&nbsp;V C Bastos,&nbsp;M G Coelho,&nbsp;K Kovary,&nbsp;H de Castro Faria","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Proteins from plasmatic membrane of ascites and solid 20-methylcholantrene induced tumours cells in inbred mice and rats were obtained by isolation of vesicles of tumor cell membranes produced in glycerol solution. The tumour cells were not broken. In a syngeneic system the inoculation of the prepared protein with adjuvant resulted in protection of 50 to 100% of animals against challenge with a syngeneic tumour cells. The same results were obtained with Ehrlich ascites tumour. The lymphocyte cytotoxicity and blastic transformation of lymphocytes in immunized animals suggested a cellular cytotoxic immunity mediated by tumour specific antigen or perhaps by fetal antigen.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 4-5","pages":"229-35"},"PeriodicalIF":0.0,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11926041","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
[Pathological alterations in pulmonary fat embolism caused by oleic acid. Experimental study in dogs (author's transl)]. 油酸致肺脂肪栓塞的病理改变。狗的实验研究[作者译]。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-10-01
M Bogossian, M L Dos Santos, J A Furlaneto, W Da Silva Sasso, O R Ratto
{"title":"[Pathological alterations in pulmonary fat embolism caused by oleic acid. Experimental study in dogs (author's transl)].","authors":"M Bogossian,&nbsp;M L Dos Santos,&nbsp;J A Furlaneto,&nbsp;W Da Silva Sasso,&nbsp;O R Ratto","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The authors studied the pathological aspects of the lungs in an experimental study made in dogs submitted to fat embolism. The histological aspects were of hemorrhagic edema when the lungs were fixed in the classical way as well when they were fixed inflated. The alveolar microatelectasias were only seen in lungs fixed in the classical way but not were seen in lungs fixed when inflated.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 4-5","pages":"201-8"},"PeriodicalIF":0.0,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11926038","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
[Low doses of insulin--comparison between hyperosmolar nonketotic coma and diabetic ketoacidosis (author's transl)]. [低剂量胰岛素——高渗性非酮症昏迷与糖尿病酮症酸中毒的比较[作者译]。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-10-01
R M Pelosi, L C Reis
{"title":"[Low doses of insulin--comparison between hyperosmolar nonketotic coma and diabetic ketoacidosis (author's transl)].","authors":"R M Pelosi,&nbsp;L C Reis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The authors present a comparison between the results achieved in the treatment of 11 cases of nonketotic hyperosmolar \"coma\" and 13 cases of diabetic ketoacidosis using low doses of intramuscular insulin hourly. Surprisingly both, larger amounts of insulin and longer periods were needed to compensate the metabolic disturbance of the nonketotic hyperosmolar \"coma\" cases when compared to the ketoacidosis ones. The data obtained in this study suggest a possible direct relationship between the initial urea levels and the total amount of insulin needed to reduce the initial glycemia to a normal glycemic level.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 4-5","pages":"249-58"},"PeriodicalIF":0.0,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11322582","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
Autofluorescence and fluorochrome-staining of Hassall's bodies in rabbits. 兔Hassall体的自体荧光和荧光染色。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-10-01
W Savino, G L Santa-Rosa
{"title":"Autofluorescence and fluorochrome-staining of Hassall's bodies in rabbits.","authors":"W Savino,&nbsp;G L Santa-Rosa","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The phenomenon of autofluorescence is reported in the thymus of rabbits; besides reticular epithelial cells, Hassall's bodies also emit autofluorescence. The staining of thymic corpuscle by fluorescein isothiocyanate is also described. This staining is important not only because FITC is commonly used in immunofluorescence and may lead to misinterpretations due to false-positive results, but also for it permits a good precision in the observation of the relationship between Hassall's bodies and reticular epithelial cells. Some hypothesis are set up to explain the autofluorescence, and the fluorochromization of Hassall's bodies by acid fluorochromes.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 4-5","pages":"283-6"},"PeriodicalIF":0.0,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11303485","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
[Biochemical study of nucleic acids of placenta and fetal liver and caryometric of trophoblastic giant cells and fetal hepatocytes of Rattus norvegicus albinus, during action of sodium 1-phenyl-2, 3-dimethyl-5-pyrazolon-methane sulfonate (Dipyrone) (author's transl)]. [1-苯基- 2,3 -二甲基-5-吡唑龙-甲烷磺酸钠(双吡酮)作用下褐家鼠胎盘和胎儿肝脏核酸的生化研究及滋养细胞巨细胞和胎儿肝细胞的核测量[作者译]。
Revista brasileira de pesquisas medicas e biologicas Pub Date : 1978-10-01
N Villa, L Kulay, A I Doine
{"title":"[Biochemical study of nucleic acids of placenta and fetal liver and caryometric of trophoblastic giant cells and fetal hepatocytes of Rattus norvegicus albinus, during action of sodium 1-phenyl-2, 3-dimethyl-5-pyrazolon-methane sulfonate (Dipyrone) (author's transl)].","authors":"N Villa,&nbsp;L Kulay,&nbsp;A I Doine","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Female pregnant rats of 2BAW strain were divided in 2 groups: the 1st, received 50 mg/kg corporal weight of sodium 1-phenyl-2,3-dimethyl-5-pyrazolon-4-methylamino-methane sulfonate (Dipyrone), single dose daily, by i.p. injections, from 16th to 20th day of pregnancy; the 2nd, received 0,5 ml of distilled water, single dose daily, by i.p. injections, during the same period. All the animals were sacrificed 2 hours after the last injection. The biochemical results of nucleic acids in the placentas and fetal livers, and the caryometric data of trophoblastic giant cells and fetal hepatocytes, demonstrated that: 1. When compared the 2 groups, as much the nucleic acids levels (RNA and DNA) of placentas as the nuclear size of trophoblastic giant cells, do not presented statistical differences; 2. The biochemical levels of nucleic acids (RNA and DNA) of fetal livers decreased, while the nuclear size of hepatocytes increased in the experimental group, with reference to control group.</p>","PeriodicalId":21265,"journal":{"name":"Revista brasileira de pesquisas medicas e biologicas","volume":"11 4-5","pages":"259-65"},"PeriodicalIF":0.0,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11926045","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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