Cited by 36Antifungal resistance and susceptibilityFungal and yeast genetics researchBacterial biofilms and quorum sensing

Aripiprazole repurposed as an inhibitor of biofilm formation and sterol biosynthesis in multidrug-resistant Candida albicans

Rajasekharan, Satish Kumar, Lee, Jin-Hyung, Lee, Jintae·2019·International Journal of Antimicrobial Agents

Abstract

Drug repurposing is an anticipative chemotherapeutic strategy that accentuates the inadequacy of antifungal drugs. The study identifies an antipsychotic drug, aripiprazole, as a biofilm and hyphal inhibitor of Candida albicans. Microtitre plate biofilm inhibition, metabolic activity and hyphal inhibitory assays were used to assess the potency of aripiprazole; and filipin staining, reactive oxygen species staining, cAMP rescue, propidium iodide staining, computational studies and qRT-PCR assays were used to elucidate its mode of action. The study revealed aripiprazole functioned in a manner similar to standard azoles, particularly the imidazole, ketoconazole, by inhibiting pseudohyphal formation during the early stages of hyphal development. The action of aripiprazole on C. albicans was dose-dependent and it exhibited varied mechanisms of action at low and high dosages. At low dosage, aripiprazole outperformed ketoconazole in terms of inhibiting biofilm formation, hyphal filamentations, and yeast flocculation, whereas at higher dosage it mimicked ketoconazole. This study illustrates the anti-candidal potential and mechanistic activities of aripiprazole, and indicates the future use of this drug as an anti-biofilm agent.

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Crossref · 10.1016/j.ijantimicag.2019.05.016

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  • It has been suggested that neuroleptics such as aripiprazole can interfere with Lanosterol 14 alpha-demethylase or CYP51, similarly to azoles, disrupting lipid rafts and inducing membrane damage.

    “It has been suggested that neuroleptics such as aripiprazole can interfere with Lanosterol 14 alpha-demethylase or CYP51, similarly to azoles, disrupting lipid rafts and inducing membrane damage [74].”

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Authors
Rajasekharan, S. K., Lee, J.-H., & Lee, J.
Affiliations
Yeungnam University (KR)
Corresponding author
Lee, Jintae
Venue
International Journal of Antimicrobial Agents
Publisher
Elsevier BV
Published
2019-10
Volume
54
Issue
4
Pages
518-523
ISSN
0924-8579 (ISSN-L)
OpenAlex
W2948297403
Cited by
36
References
20
Citations by year
2026: 5 · 2025: 4 · 2024: 4 · 2023: 6 · 2022: 5 · 2021: 6 · 2020: 5 · 2019: 1
FWCI
3.26
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Antimicrobial Agents (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Education (2014R1A6A1031189, 2018R1D1A1B07044288)
  • National Research Foundation of Korea
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Keywords
aripiprazole, drug repurposing, Candida albicans, biofilm inhibition, hyphal development, sterol biosynthesis, multidrug resistance, antifungal activity, ketoconazole, yeast flocculation, reactive oxygen species, cAMP signaling, antipsychotic drugs
MeSH terms
Aripiprazole, Antifungal Agents, Candida albicans, Cell Adhesion, Dose-Response Relationship, Drug, Microbial Sensitivity Tests, Sterols, Biofilms, Hyphae, Drug Repositioning

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