<i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and Treatments

For individuals who are immunocompromised, the opportunistic fungal pathogen <i>Pneumocystis jirovecii</i> is capable of causing life-threatening pneumonia as the causative agent of <i>Pneumocystis</i> pneumonia (PCP). PCP remains an acquired immunodeficiency disease (AIDS)-d...

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Main Authors: Aaron D. Gingerich, Karen A. Norris, Jarrod J. Mousa
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/10/2/236
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author Aaron D. Gingerich
Karen A. Norris
Jarrod J. Mousa
author_facet Aaron D. Gingerich
Karen A. Norris
Jarrod J. Mousa
author_sort Aaron D. Gingerich
collection DOAJ
description For individuals who are immunocompromised, the opportunistic fungal pathogen <i>Pneumocystis jirovecii</i> is capable of causing life-threatening pneumonia as the causative agent of <i>Pneumocystis</i> pneumonia (PCP). PCP remains an acquired immunodeficiency disease (AIDS)-defining illness in the era of antiretroviral therapy. In addition, a rise in non-human immunodeficiency virus (HIV)-associated PCP has been observed due to increased usage of immunosuppressive and immunomodulating therapies. With the persistence of HIV-related PCP cases and associated morbidity and mortality, as well as difficult to diagnose non-HIV-related PCP cases, an improvement over current treatment and prevention standards is warranted. Current therapeutic strategies have primarily focused on the administration of trimethoprim-sulfamethoxazole, which is effective at disease prevention. However, current treatments are inadequate for treatment of PCP and prevention of PCP-related death, as evidenced by consistently high mortality rates for those hospitalized with PCP. There are no vaccines in clinical trials for the prevention of PCP, and significant obstacles exist that have slowed development, including host range specificity, and the inability to culture <i>Pneumocystis</i> spp. in vitro. In this review, we overview the immune response to <i>Pneumocystis</i> spp., and discuss current progress on novel vaccines and therapies currently in the preclinical and clinical pipeline.
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spelling doaj.art-a45c9538d2e845d2a9479296452a9d762023-12-11T17:39:36ZengMDPI AGPathogens2076-08172021-02-0110223610.3390/pathogens10020236<i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and TreatmentsAaron D. Gingerich0Karen A. Norris1Jarrod J. Mousa2Center for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USACenter for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USACenter for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USAFor individuals who are immunocompromised, the opportunistic fungal pathogen <i>Pneumocystis jirovecii</i> is capable of causing life-threatening pneumonia as the causative agent of <i>Pneumocystis</i> pneumonia (PCP). PCP remains an acquired immunodeficiency disease (AIDS)-defining illness in the era of antiretroviral therapy. In addition, a rise in non-human immunodeficiency virus (HIV)-associated PCP has been observed due to increased usage of immunosuppressive and immunomodulating therapies. With the persistence of HIV-related PCP cases and associated morbidity and mortality, as well as difficult to diagnose non-HIV-related PCP cases, an improvement over current treatment and prevention standards is warranted. Current therapeutic strategies have primarily focused on the administration of trimethoprim-sulfamethoxazole, which is effective at disease prevention. However, current treatments are inadequate for treatment of PCP and prevention of PCP-related death, as evidenced by consistently high mortality rates for those hospitalized with PCP. There are no vaccines in clinical trials for the prevention of PCP, and significant obstacles exist that have slowed development, including host range specificity, and the inability to culture <i>Pneumocystis</i> spp. in vitro. In this review, we overview the immune response to <i>Pneumocystis</i> spp., and discuss current progress on novel vaccines and therapies currently in the preclinical and clinical pipeline.https://www.mdpi.com/2076-0817/10/2/236<i>Pneumocystis jirovecii</i><i>Pneumocystis</i> pneumoniafungal vaccines
spellingShingle Aaron D. Gingerich
Karen A. Norris
Jarrod J. Mousa
<i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and Treatments
Pathogens
<i>Pneumocystis jirovecii</i>
<i>Pneumocystis</i> pneumonia
fungal vaccines
title <i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and Treatments
title_full <i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and Treatments
title_fullStr <i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and Treatments
title_full_unstemmed <i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and Treatments
title_short <i>Pneumocystis</i> Pneumonia: Immunity, Vaccines, and Treatments
title_sort i pneumocystis i pneumonia immunity vaccines and treatments
topic <i>Pneumocystis jirovecii</i>
<i>Pneumocystis</i> pneumonia
fungal vaccines
url https://www.mdpi.com/2076-0817/10/2/236
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