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Updated: Oct 9, 2025
Quantifying the Antifungal Activity of Peptides Against Candida albicans
Published on: January 13, 2023
Envisaging Antifungal Potential of Histatin 5: A Physiological Salivary Peptide
Pratibha Sharma1, Mehak Chaudhary1, Garima Khanna1
1University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India.
Abstract:
Fungi are reported to cause a range of superficial to invasive human infections. These often result in high morbidity and at times mortality. Conventional antifungal agents though effective invariably exhibit drug interactions, treatment-related toxicity, and fail to elicit significant effect, thus indicating a need to look for suitable alternatives. Fungi thrive in humid, nutrient-enriched areas. Such an environment is well-supported by the oral cavity. Despite this, there is a relatively low incidence of severe oral and periodontal fungal infections, attributed to the presence of antimicrobial peptides hosted by saliva, viz. histatin 5 (Hstn 5). It displays fungicidal activity against a variety of fungi including Candida albicans, Candida glabrata, Candida krusei, Cryptococcus neoformans, and unicellular yeast-like Saccharomyces cerevisiae. Candida albicans alone accounts for about 70% of all global fungal infections including periodontal disease. This review intends to discuss the scope of Hstn 5 as a novel recourse for the control of fungal infections.
Insights
Histatin 5 (Hstn 5), a salivary antimicrobial peptide, shows potent fungicidal activity against various fungi, including Candida albicans. This review explores Hstn 5 as a promising alternative for controlling fungal infections.
Area of Science:
- Medical Mycology
- Oral Biology
- Antimicrobial Peptides
Background:
- Fungal infections cause significant morbidity and mortality.
- Conventional antifungals have limitations including drug interactions and toxicity.
- The oral cavity harbors fungi, yet severe infections are rare due to salivary factors.
Purpose of the Study:
- To review the fungicidal properties of histatin 5 (Hstn 5).
- To discuss the potential of Hstn 5 as a novel therapeutic agent against fungal infections.
- To highlight Hstn 5's role in preventing oral and periodontal fungal diseases.
Main Methods:
- Literature review on fungal infections and salivary antimicrobial peptides.
- Analysis of studies detailing the fungicidal spectrum of Hstn 5.
- Examination of Hstn 5's efficacy against key fungal pathogens like Candida species.
Main Results:
- Histatin 5 (Hstn 5) exhibits broad-spectrum fungicidal activity.
- Hstn 5 is effective against Candida albicans, Candida glabrata, Candida krusei, Cryptococcus neoformans, and Saccharomyces cerevisiae.
- Saliva's Hstn 5 contributes to the low incidence of severe oral fungal infections.
Conclusions:
- Histatin 5 (Hstn 5) represents a promising natural alternative to conventional antifungal drugs.
- Hstn 5 holds potential for developing new strategies to combat superficial and invasive fungal infections.
- Further research into Hstn 5 could lead to novel treatments for periodontal disease and other fungal conditions.
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