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Live Imaging of Antifungal Activity by Human Primary Neutrophils and Monocytes in Response to A. fumigatus
Published on: April 19, 2017
First Line of Defense: Innate Cell-Mediated Control of Pulmonary Aspergillosis
Vanessa Espinosa1, Amariliz Rivera2
1Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New JerseyNewark, NJ, USA; Graduate School of Biomedical Sciences, New Jersey Medical School, Rutgers-The State University of New JerseyNewark, NJ, USA.
Abstract:
Mycotic infections and their effect on the human condition have been widely overlooked and poorly surveilled by many health organizations even though mortality rates have increased in recent years. The increased usage of immunosuppressive and myeloablative therapies for the treatment of malignant as well as non-malignant diseases has contributed significantly to the increased incidence of fungal infections. Invasive fungal infections have been found to be responsible for at least 1.5 million deaths worldwide. About 90% of these deaths can be attributed to Cryptococcus, Candida, Aspergillus, and Pneumocystis. A better understanding of how the host immune system contains fungal infection is likely to facilitate the development of much needed novel antifungal therapies. Innate cells are responsible for the rapid recognition and containment of fungal infections and have been found to play essential roles in defense against multiple fungal pathogens. In this review we summarize our current understanding of host-fungi interactions with a focus on mechanisms of innate cell-mediated recognition and control of pulmonary aspergillosis.
Insights
Fungal infections are a growing threat, causing millions of deaths globally. Understanding innate immune cells
Area of Science:
- Immunology
- Mycology
- Infectious Diseases
Background:
- Mycotic infections are increasingly prevalent and deadly, with rising mortality rates.
- Immunosuppressive and myeloablative therapies contribute to higher incidences of fungal infections.
- Invasive fungal infections cause approximately 1.5 million deaths annually, primarily from Cryptococcus, Candida, Aspergillus, and Pneumocystis.
Purpose of the Study:
- To enhance understanding of host immune system mechanisms in containing fungal infections.
- To facilitate the development of novel antifungal therapies.
- To review host-fungi interactions, focusing on innate cell-mediated control of pulmonary aspergillosis.
Main Methods:
- Review of current scientific literature on host-fungi interactions.
- Focus on innate immune cell recognition and containment mechanisms.
- Specific examination of pulmonary aspergillosis models.
Main Results:
- Innate immune cells are critical for rapid recognition and containment of fungal pathogens.
- Specific mechanisms of innate cell-mediated defense against fungi are elucidated.
- Insights into host-pathogen interactions in pulmonary aspergillosis are provided.
Conclusions:
- A deeper understanding of innate immunity is crucial for combating fungal infections.
- Targeting innate immune responses may lead to effective new antifungal treatments.
- Further research into host-fungi interactions, particularly in pulmonary aspergillosis, is warranted.
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