Literature DB >> 6430807

Phagosomal membranes of Mycobacterium bovis BCG-immune alveolar macrophages are resistant to disruption by Mycobacterium tuberculosis H37Rv.

E S Leake, Q N Myrvik, M J Wright.   

Abstract

Data obtained in this study reaffirm that virulent Mycobacterium tuberculosis H37Rv has a potent phagosome-destroying capacity when ingested by normal alveolar macrophages. In contrast, Mycobacterium bovis BCG-immune alveolar macrophages are highly resistant to this virulence mechanism. BCG-immune sera incubated with BCG-immune alveolar macrophages did not increase resistance of BCG-immune alveolar macrophages as compared with the data obtained from experiments with normal sera. BCG-immune sera failed to confer resistance to normal alveolar macrophages against the phagosomal membrane-destroying H37Rv virulence mechanism.

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Mesh：

Year:  1984        PMID： 6430807      PMCID： PMC263253          DOI： 10.1128/iai.45.2.443-446.1984

Source DB:  PubMed          Journal:  Infect Immun        ISSN： 0019-9567            Impact factor:   3.441


  4 in total

1.  A low-viscosity epoxy resin embedding medium for electron microscopy.

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2.  Interaction of mycobacteria with normal and immunologically activated alveolar macrophages.

Authors:  Q N Myrvik; E S Leake; K Tenner-Racz
Journal:  Adv Exp Med Biol       Date:  1983       Impact factor: 2.622

3.  Disruption of phagosomal membranes of normal alveolar macrophages by the H37Rv strain of Mycobacterium tuberculosis. A correlate of virulence.

Authors:  Q N Myrvik; E S Leake; M J Wright
Journal:  Am Rev Respir Dis       Date:  1984-02

4.  Ultrastructure of human leukocytes after simultaneous fixation with glutaraldehyde and osmium tetroxide and "postfixation" in uranyl acetate.

Authors:  J G Hirsch; M E Fedorko
Journal:  J Cell Biol       Date:  1968-09       Impact factor: 10.539
  4 in total
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4.  Activation of pulmonary macrophages for fungicidal activity by gamma-interferon or lymphokines.

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5.  Expression of contact-dependent cytolytic activity by Mycobacterium tuberculosis and isolation of the genomic locus that encodes the activity.

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7.  Phagosomal rupture by Mycobacterium tuberculosis results in toxicity and host cell death.

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8.  Major histocompatibility complex class I presentation of peptides derived from soluble exogenous antigen by a subset of cells engaged in phagocytosis.

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9.  Cytosolic access of Mycobacterium tuberculosis: critical impact of phagosomal acidification control and demonstration of occurrence in vivo.

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10.  Escape from the Phagosome: The Explanation for MHC-I Processing of Mycobacterial Antigens?

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