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Study of Phagolysosome Biogenesis in Live Macrophages
Published on: March 10, 2014
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Detection and quantification of microbial manipulation of phagosomal function.
Maria Podinovskaia1, David G Russell2
1Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA; Institut National de la Recherche Scientifique-Institut Armand-Frappier, Laval, QC, Canada.
Methods in Cell Biology
|February 11, 2015
Summary
Pathogenic microbes often manipulate host macrophages to survive by subverting lysosomal functions. This study details methods to analyze lysosome activity and understand how microbes exploit these cellular defenses.
Area of Science:
- Cell Biology
- Immunology
- Microbiology
Background:
- Macrophages are crucial phagocytic cells defending against microbial infections.
- Intracellular pathogens frequently manipulate host macrophages to evade degradation and immune detection.
- Lysosomal pathways are central to macrophage antimicrobial defenses, making them targets for pathogens.
Purpose of the Study:
- To investigate the manipulation of lysosomal function by infectious agents.
- To provide detailed protocols for studying various lysosome functions in the context of microbial infections.
- To discuss approaches for developing new methods to understand microbial manipulation of lysosomes.
Main Methods:
- Detailed protocols for assessing lysosome functions, including phagosome-lysosome fusion.
- Methods to analyze a panel of hydrolytic activities within lysosomes.
- Discussion on the suitability of protocols for specific experimental contexts.
Main Results:
- The study provides a comprehensive set of techniques for evaluating lysosomal functions relevant to host-pathogen interactions.
- It addresses the application of these methods to understand microbial subversion strategies.
- Approaches for developing novel protocols are also presented.
Conclusions:
- Understanding lysosomal function is critical for comprehending host-pathogen interactions.
- The presented protocols and approaches aid in elucidating how microbes manipulate macrophage lysosomal pathways.
- Continued technical advancements in studying lysosome function are vital for progress in cell biology and infection research.
