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Author Spotlight: Investigating Fungal Pathogenicity Mechanisms in Maize
Published on: September 15, 2023
Problems in management of opportunistic fungal diseases
1Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York 10021.
Abstract:
Opportunistic fungal infections are now common and will become more common as a consequence of the use of various regimens of immunosuppressive therapy for a variety of diseases and because of AIDS. These infections can be broadly divided into those that take advantage of a neutrophil defect (e.g., candidiasis, aspergillosis, and mucormycosis) and those that take advantage of a T cell mononuclear phagocyte defect (e.g., cryptococcosis, histoplasmosis, and coccidioidomycosis). Problems in diagnosis have been apparent since these infections were first recognized. The usual clinical specimens are often not revealing, and attempts to develop special serologic and biochemical tests have been made for years, but progress has been slow. Problems in treatment stem first from a lack of an early diagnosis and second from a lack of drugs that are effective and relatively nontoxic. It is difficult to evaluate new drugs if we cannot make accurate diagnoses; this difficulty is compounded by the low rate of autopsies in the academic hospitals where such studies are conducted.
Insights
Opportunistic fungal infections are increasing due to immunosuppression and AIDS. Diagnosis and treatment remain challenging due to limited diagnostic tools and effective, non-toxic therapies.
Area of Science:
- Medical Mycology
- Immunocompromised Host Infections
Background:
- Opportunistic fungal infections are rising, driven by immunosuppressive therapies and Acquired Immunodeficiency Syndrome (AIDS).
- These infections exploit defects in neutrophil function (e.g., candidiasis) or T cell/mononuclear phagocyte function (e.g., cryptococcosis).
Purpose of the Study:
- To highlight the diagnostic and therapeutic challenges associated with opportunistic fungal infections.
- To underscore the need for improved diagnostic methods and effective treatments.
Main Methods:
- Review of existing knowledge on opportunistic fungal infections.
- Analysis of diagnostic limitations and treatment obstacles.
Main Results:
- Clinical specimens often lack diagnostic clarity.
- Development of serologic and biochemical tests has yielded slow progress.
- Lack of early diagnosis and effective, low-toxicity drugs hinders treatment.
- Difficulty in evaluating new antifungal agents is compounded by low autopsy rates.
Conclusions:
- Significant challenges persist in the timely diagnosis and effective management of opportunistic fungal infections.
- Advancements in diagnostic techniques and therapeutic agents are crucial for improving patient outcomes.
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