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Peptide-based Identification of Functional Motifs and their Binding Partners
Published on: July 1, 2013
Emerging disease issues and fungal pathogens associated with HIV infection
1University of Arizona College of Medicine, Tuscon Veterans Affairs Medical Center, Tucson, Arizona 85713, USA. namp@aol.com
Abstract:
Fungal diseases are increasing among patients infected with human immunodeficiency virus (HIV) type 1. Infections due to Candida and Cryptococcus are the most common. Although mucocutaneous candidiasis can be treated with oral antifungal agents, increasing evidence suggests that prolonged use of these drugs results in both clinical and microbiologic resistance. The optimal therapy for cryptococcal meningitis remains unresolved, although initial treatment with amphotericin B, followed by life-long maintenance therapy with fluconazole, appears promising. Most cases of histoplasmosis, coccidioidomycosis, and blastomycosis occur in regions where their causative organisms are endemic, and increasing data suggest that a significant proportion of disease is due to recent infection. Aspergillosis is increasing dramatically as an opportunistic infection in HIV-infected patients, in part because of the increased incidence of neutropenia and corticosteroid use in these patients. Infection due to Penicillium marneffei is a rapidly growing problem among HIV-infected patients living in Southeast Asia. Although the advent of oral azole antifungal drugs has made primary prophylaxis against fungal diseases in HIV-infected patients feasible, many questions remain to be answered before the preventive use of antifungal drugs can be advocated.
Insights
Fungal infections are rising in human immunodeficiency virus (HIV) patients, with Candida and Cryptococcus being most common. While oral antifungals treat some infections, resistance is a growing concern, and optimal therapies are still being researched.
Area of Science:
- Infectious Diseases
- Mycology
- Immunology
Background:
- Fungal infections pose a significant and increasing threat to patients with human immunodeficiency virus (HIV) type 1.
- Candida and Cryptococcus species are the most prevalent fungal pathogens in this population.
- Emerging drug resistance to oral antifungal agents necessitates a re-evaluation of treatment strategies.
Purpose of the Study:
- To review the current landscape of fungal infections in HIV-1 patients.
- To discuss the challenges and emerging trends in managing common and opportunistic fungal diseases.
- To evaluate the potential and limitations of antifungal prophylaxis in HIV-infected individuals.
Main Methods:
- Literature review of recent studies on fungal infections in HIV-1 patients.
- Analysis of epidemiological data on common and emerging fungal pathogens.
- Discussion of current therapeutic approaches and resistance patterns.
Main Results:
- Mucocutaneous candidiasis treatment faces challenges due to increasing antifungal resistance.
- Optimal therapy for cryptococcal meningitis is still under investigation, but a combination of amphotericin B and fluconazole shows promise.
- Aspergillosis incidence is rising due to factors like neutropenia and corticosteroid use in HIV patients.
- Penicillium marneffei infections are a growing concern in Southeast Asia.
Conclusions:
- Fungal infections remain a critical concern for HIV-1 patients, with evolving resistance patterns.
- While advances in antifungal drugs offer new possibilities for prophylaxis, further research is needed before widespread preventive use can be recommended.
- Continued vigilance and research into optimal treatment and prevention strategies are essential.
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