Serological Conversion
Mostrando 1-12 de 21 artigos, teses e dissertações.
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1. Effect of a high fat diet on mitochondria: bioenergetics, K+ transport and redox state / Efeito de dietas hiperlipídicas sobre mitocôndrias de fígado de camundongos: bioenergética, transporte de K+ e estudo redox
Obesity is associated with multiple dysfunctions including dyslipidemia, insulin resistance and diabetes. These malfunctions are associated with modifications in mitochondrial physiology. Furthermore, mitochondria are the most important site of energy metabolism and reactive oxygen species production. Alberici et al. (2006) demonstrated that hypertriglycerid
Publicado em: 2009
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2. CaracterizaÃÃo molecular de cepas de Vibrio cholerae O26, isoladas de processos entÃricos humanos no nordeste do Brasil
The emergence of the Vibrio cholerae O139 serogroup as a second ethiologic agent for cholera served as an alert to the rise of other epidemic strains that may pass unnoticed by traditional methods of diagnosis, usually based on the use of antiserum directed against the traditional O1 serogroup. In previous studies, out of 179 non-O1/ non-O139 V. cholerae str
Publicado em: 2008
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3. Canine experimental infection: intradermal inoculation of Leishmania infantum promastigotes
Five mixed breed dogs were inoculated intradermally (ID) with cultured virulent stationary phase promastigotes of Leishmania infantum Nicole, 1908 stocks recently isolated. Parasite transformations in the skin of ID infected dogs were monitored from the moment of inoculation and for 48 h, by skin biopsies. Anti-Leishmania antibody levels were measured by ind
Memórias do Instituto Oswaldo Cruz. Publicado em: 2000-04
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4. Caracterização de isolados brasileiros de Pneumovirus Aviario (PVA)
Avian Pneumovirus (APV) causes an acute respiratory tract infection both in turkeys (turkey rhinotracheitis) and chicken (swollen head syndrome) with sudden onset and rapid spread through the flocks. In this work were characterized two types of avian pneumovirus from brazilian chicken by electron microscopy, serological analysis (serum neutralization and ELI
Publicado em: 1999
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5. Conversion of a continuous flow system into a semidiscrete one for use in automatization of serological methods.
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6. Are serological tests of value in diagnosing and monitoring response to treatment of syphilis in patients infected with human immunodeficiency virus?
To assess the value of serological tests in diagnosing and monitoring the response to treatment of syphilis in patients infected with the human immunodeficiency virus (HIV), case notes of eight homosexual men with a history of treated syphilis, positive reactions to serological tests for syphilis, and documented subsequent conversion to HIV seropositivity we
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7. Experimental Q fever infection in congenitally athymic nude mice.
Congenitally athymic nude (nu/nu) mice and their phenotypically normal (nu/+) euthymic littermates were exposed to Coxiella burnetii administered as small-particle aerosols. After challenge, both strains of mice became infected, as characterized by rickettsemia, viable rickettsiae in the spleen, and serological conversion. The major difference noted was that
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8. Propagation of infantile gastroenteritis virus (orbi-group) in conventional and germfree piglets.
Infantile gastroenteritis virus (orbi-group) recovered from stools of infants with acute nonbacterial gastroenteritis was administered per os to germfree and conventional piglets. Virus was found subsequently in stools and in the mucosal epithelial cells of the small intestine of these animals. Some animals developed diarrhea. Added proof of orbivirus replic
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9. Phage conversion of Shigella flexneri group antigens.
A temperate phage, designated Sf6, has been isolated from Shigella flexneri 3a. Characterization of Sf6 revealed that it possesses the capacity for converting the S. flexneri 3,4 group antigen complex to group factor 6. Serological studies and chemical analysis of lipopolysaccharide from converted strains suggest that group factor 6 is a reflection of an ace
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10. LYSOGENY IN STAPHYLOCOCCI
Blair, John E. (Hospital for Joint Diseases, New York, N. Y.) and Miriam Carr. Lysogeny in staphylococci. J. Bacteriol. 82:984–993. 1961.—Changes in the phage typing patterns of strains of staphylococci of the 80/81-52/52A/80/81 complex and of phage group III were produced by lysogenization with temperate phages derived from selected strains of Staphyloc
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11. Yellow Fever Vaccine. V. Antibody Response in Monkeys Inoculated with Graded Doses of the 17D Vaccine
A dosage equal to or greater than approximately 3.4 Dex (decimal exponent, log10) weanling mouse intracerebral 50% lethal dose (LD50) was sufficient to elicit a yellow fever antibody response, as determined by the plaque neutralization (PN) test, in better than 90% of vaccinated rhesus monkeys. Lower dosages were progressively less effective in terms of PN t
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12. Allelic variation in the DR subregion of the human major histocompatibility complex.
Allelic variation in the DR subregion of the human major histocompatibility complex has been analyzed by nucleic acid sequencing of cDNA clones obtained from cell lines homozygous by consanguinity for all the common serological types DR1-9. Two expressed loci were identified in the haplotypes DR2, -3, -4, -7, and -9; one locus being present at a much lower f