Literature DB >> 1589437

Brain-tissue cysts in rats infected with the RH strain of Toxoplasma gondii.

V Lecomte1, B F Chumpitazi, B Pasquier, P Ambroise-Thomas, F Santoro.   

Abstract

Virulent strains of the coccidian parasite Toxoplasma gondii become attenuated so as to survive and complete their life cycle; however, it is not known whether the attenuation process is attributable to an innate cystogenic capacity of the parasite or to host-induced mechanisms. This report presents direct evidence of RH cystogenesis in non-immunised Fischer rats and subsequent attenuation of RH pathogenicity in non-immunised mice following a single passage through rats. Taken together, these preliminary observations tend to suggest that at least one mechanism of T. gondii involves intermediate host attenuation.

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Year:  1992        PMID： 1589437     DOI： 10.1007/bf00931740

Source DB:  PubMed          Journal:  Parasitol Res        ISSN： 0932-0113            Impact factor:   2.289


  17 in total

1.  Studies on chronic toxoplasmosis; the relation of infective dose to residual infection and to the possibility of congenital transmission.

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Journal:  Am J Ophthalmol       Date:  1958-11       Impact factor: 5.258

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3.  Synergistic role of CD4+ and CD8+ T lymphocytes in IFN-gamma production and protective immunity induced by an attenuated Toxoplasma gondii vaccine.

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Journal:  J Immunol       Date:  1991-01-01       Impact factor: 5.422

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Authors:  D J Ferguson; W M Hutchison; E Pettersen
Journal:  Parasitol Res       Date:  1989       Impact factor: 2.289

5.  Mechanisms of killing of Toxoplasma gondii by rat peritoneal macrophages.

Authors:  R E McCabe; J S Remington
Journal:  Infect Immun       Date:  1986-04       Impact factor: 3.441

6.  Mechanisms of resistance/susceptibility to murine encephalitozoonosis.

Authors:  J J Liu; E H Greeley; J A Shadduck
Journal:  Parasite Immunol       Date:  1989-05       Impact factor: 2.280

7.  Class I MHC genes and CD8+ T cells determine cyst number in Toxoplasma gondii infection.

Authors:  C R Brown; R McLeod
Journal:  J Immunol       Date:  1990-11-15       Impact factor: 5.422

8.  Attenuation of the virulent RH strain of Toxoplasma gondii by passages in mice immunized with Toxoplasma lysate antigens.

Authors:  K Yano; T Nakabayashi
Journal:  Biken J       Date:  1986-06

9.  Toxoplasma gondii infection of the central nervous system. Use of the peroxidase-antiperoxidase method to demonstrate toxoplasma in formalin fixed, paraffin embedded tissue sections.

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Journal:  Hum Pathol       Date:  1981-08       Impact factor: 3.466

10.  Protective role of IgE in immunocompromised rat toxoplasmosis.

Authors:  P R Ridel; C Auriault; F Darcy; R J Pierce; P Leite; F Santoro; J L Neyrinck; J P Kusnierz; A Capron
Journal:  J Immunol       Date:  1988-08-01       Impact factor: 5.422
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  8 in total

Review 1.  Toxoplasma gondii and ocular toxoplasmosis: pathogenesis.

Authors:  C E Pavesio; S Lightman
Journal:  Br J Ophthalmol       Date:  1996-12       Impact factor: 4.638

2.  Targeted disruption of the GRA2 locus in Toxoplasma gondii decreases acute virulence in mice.

Authors:  C Mercier; D K Howe; D Mordue; M Lingnau; L D Sibley
Journal:  Infect Immun       Date:  1998-09       Impact factor: 3.441

3.  Rat model of congenital toxoplasmosis: rate of transmission of three Toxoplasma gondii strains to fetuses and protective effect of a chronic infection.

Authors:  L Zenner; F Darcy; M F Cesbron-Delauw; A Capron
Journal:  Infect Immun       Date:  1993-01       Impact factor: 3.441

4.  Serological reactivity against cyst and tachyzoite antigens of Toxoplasma gondii determined by FAST-ELISA.

Authors:  Y W Zhang; A Fraser; A H Balfour; T G Wreghitt; J J Gray; J E Smith
Journal:  J Clin Pathol       Date:  1995-10       Impact factor: 3.411

5.  Blood Levels of Oxidant/Antioxidant Parameters in Rats Infected with Toxoplasma gondii.

Authors:  Somayeh Bahrami; Ali Shahriari; Mehdi Tavalla; Somayeh Azadmanesh; Hossein Hamidinejat
Journal:  Oxid Med Cell Longev       Date:  2016-09-26       Impact factor: 6.543

6.  Coordinated loading of IRG resistance GTPases on to the Toxoplasma gondii parasitophorous vacuole.

Authors:  Aliaksandr Khaminets; Julia P Hunn; Stephanie Könen-Waisman; Yang O Zhao; Daniela Preukschat; Jörn Coers; Jon P Boyle; Yi-Ching Ong; John C Boothroyd; Gabriela Reichmann; Jonathan C Howard
Journal:  Cell Microbiol       Date:  2010-01-26       Impact factor: 3.715

7.  Brain Tissue Cysts in Infected Mice with RH-Strain of Toxoplasma gondii and Evaluation of BAG1 and SAG1 Genes Expression.

Authors:  Monavar Selseleh; Mh Modarressi; S Shojaee; M Mohebali; Mr Eshraghian; Mina Selseleh; H Keshavarz
Journal:  Iran J Parasitol       Date:  2013-01       Impact factor: 1.012

8.  Revisiting the reference genomes of human pathogenic Cryptosporidium species: reannotation of C. parvum Iowa and a new C. hominis reference.

Authors:  Juan P Isaza; Ana Luz Galván; Victor Polanco; Bernice Huang; Andrey V Matveyev; Myrna G Serrano; Patricio Manque; Gregory A Buck; Juan F Alzate
Journal:  Sci Rep       Date:  2015-11-09       Impact factor: 4.379
  8 in total

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