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Published on: July 26, 2017
Innate immune signal transduction pathways to fungal infection: Components and regulation
Tian Chen1,2, Chengjiang Gao1,3
1Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, 250012, Shandong, China.
Abstract:
Candida species are significant causes of mucosal and systemic infections in immune compromised populations, including HIV-infected individuals and cancer patients. Drug resistance and toxicity have limited the use of anti-fungal drugs. A good comprehension of the nature of the immune responses to the pathogenic fungi will aid in the developing of new approaches to the treatment of fungal diseases. In recent years, extensive research has been done to understand the host defending systems to fungal infections. In this review, we described how pattern recognition receptors senses the cognate fungal ligands and the cellular and molecular mechanisms of anti-fungal innate immune responses. Furthermore, particular focus is placed on how anti-fungal signal transduction cascades are being activated for host defense and being modulated to better treat the infections in terms of immunotherapy. Understanding the role that these pathways have in mediating host anti-fungal immunity will be crucial for future therapeutic development.
Insights
This review explains how the immune system fights fungal infections caused by Candida species. Understanding these host defenses can lead to new treatments for invasive fungal diseases.
Area of Science:
- Immunology
- Mycology
- Infectious Diseases
Background:
- Candida species cause serious infections in immunocompromised individuals.
- Current antifungal drugs face challenges due to resistance and toxicity.
- Understanding host immune responses is key to developing novel antifungal strategies.
Purpose of the Study:
- To review the mechanisms of innate immune responses against fungal pathogens.
- To explore how pattern recognition receptors detect fungal ligands.
- To discuss the role of signal transduction in antifungal immunity and immunotherapy.
Main Methods:
- Literature review of host defense mechanisms against Candida.
- Analysis of pattern recognition receptor signaling pathways.
- Examination of cellular and molecular immune responses.
Main Results:
- Pattern recognition receptors initiate antifungal responses by sensing fungal components.
- Innate immune cells employ various cellular and molecular mechanisms to combat fungal infections.
- Signal transduction pathways are crucial for activating host defense and can be modulated for therapeutic benefit.
Conclusions:
- A comprehensive understanding of antifungal immunity is essential for developing effective immunotherapies.
- Targeting specific immune pathways offers potential for treating invasive fungal diseases.
- Further research into host-pathogen interactions will drive innovation in antifungal treatment.
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