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Quantification of Intracellular Growth Inside Macrophages is a Fast and Reliable Method for Assessing the Virulence of Leishmania Parasites
Published on: March 16, 2018
Mechanisms and consequences of persistence of intracellular pathogens: leishmaniasis as an example
1Microbiology Institute - Clinical Microbiology, Immunology and Hygiene, University Clinic of Erlangen, Erlangen, Germany. christian.bogdan@uk-erlangen.de
Abstract:
Lifelong persistence after clinical cure of the primary infection is a characteristic feature of many intracellular pathogens, including viruses, bacteria and protozoa. The underlying mechanisms are complex and range from the passive protection against toxic effector molecules of the host and the remodelling of intracellular compartments as safe niches to the active modulation of the immune response at multiple levels. Parasites of the genus Leishmania have been particular helpful in unravelling some of the basic processes and form therefore the centre of the discussion.
Insights
Many intracellular pathogens persist lifelong after infection cure. This study explores mechanisms like host immune modulation and intracellular niche formation, using Leishmania parasites as a model.
Area of Science:
- Immunology
- Infectious Diseases
- Cell Biology
Background:
- Intracellular pathogens can persist lifelong post-infection.
- Mechanisms involve host immune evasion and specialized intracellular niches.
- Leishmania parasites are key models for studying these processes.
Purpose of the Study:
- To elucidate the complex mechanisms of lifelong pathogen persistence.
- To understand how intracellular pathogens evade host defenses.
- To highlight the role of Leishmania in unraveling these survival strategies.
Main Methods:
- Review of existing literature on intracellular pathogen persistence.
- Analysis of host-pathogen interactions.
- Focus on Leishmania as a model organism.
Main Results:
- Persistence involves passive protection and active immune modulation.
- Intracellular compartments are remodeled into pathogen "safe niches".
- Leishmania utilizes diverse strategies for long-term survival.
Conclusions:
- Lifelong pathogen persistence is a multifaceted phenomenon.
- Understanding these mechanisms is crucial for developing effective treatments.
- Leishmania research provides fundamental insights into host-pathogen dynamics.
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