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Candida spp. and phagocytosis: multiple evasion mechanisms

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Abstract

Invasive fungal infections are a global health problem, mainly in hospitals, where year by year hundreds of patients die because of these infections. Commensal yeasts may become pathogenic to human beings, affecting mainly immunocompromised patients. During infectious processes, the immune system uses phagocytes to eliminate invader microorganisms. In order to prevent or neutralize phagocyte attacks, pathogenic yeasts can use virulence factors to survive, as well as to colonize and infect the host. In this review, we describe how Candida spp., mainly Candida albicans, interact with phagocytes and use several factors that contribute to immune evasion. Polymorphism, biofilm formation, gene expression and enzyme production mediate distinct functions such as adhesion, invasion, oxidative stress response, proteolysis and escape from phagocytes. Fungal and human cells have similar structures and mechanisms that decrease the number of potential targets for antifungal drugs. Therefore, research on host–pathogen interaction may aid in the discovery of new targets and in the development of new drugs or treatments for these diseases and thus to save lives.

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Acknowledgements

This study was supported by Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG) (#APQ00507-14#) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES).

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ALTD and JCO established the main idea of the manuscript. JCO wrote the manuscript and prepared the figures. CBRJF, NCS and ALTD contributed with new ideas, references and correction of the manuscript.

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Correspondence to Josidel Conceição Oliver or Amanda Latercia Tranches Dias.

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All authors declare that they have no conflict of interest.

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The article does not contain any studies related to human participants or animals and it is in compliance with Ethical Standards.

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Oliver, J.C., Ferreira, C.B.R.J., Silva, N.C. et al. Candida spp. and phagocytosis: multiple evasion mechanisms. Antonie van Leeuwenhoek 112, 1409–1423 (2019). https://doi.org/10.1007/s10482-019-01271-x

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  • DOI: https://doi.org/10.1007/s10482-019-01271-x

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