Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicans

Candida albicans (C. albicans) is one of the important opportunistic fungal pathogens that is closely associated with disseminated or chronic infections. The objective of this study is to evaluate the synergistic antifungal effect of licofelone, which is dual microsomal prostaglandin E2 synthase/lip...

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Main Authors: Xinning Liu, Tao Li, Decai Wang, Yilei Yang, Wenwen Sun, Jianqiao Liu, Shujuan Sun
Format: Article
Language:English
Published: Frontiers Media S.A. 2017-11-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fmicb.2017.02101/full
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author Xinning Liu
Xinning Liu
Tao Li
Decai Wang
Yilei Yang
Wenwen Sun
Jianqiao Liu
Shujuan Sun
author_facet Xinning Liu
Xinning Liu
Tao Li
Decai Wang
Yilei Yang
Wenwen Sun
Jianqiao Liu
Shujuan Sun
author_sort Xinning Liu
collection DOAJ
description Candida albicans (C. albicans) is one of the important opportunistic fungal pathogens that is closely associated with disseminated or chronic infections. The objective of this study is to evaluate the synergistic antifungal effect of licofelone, which is dual microsomal prostaglandin E2 synthase/lipoxygenase (mPGES-1/LOX) inhibitor in combination with fluconazole against C. albicans. Here our results showed that licofelone (16 μg/mL) can synergistically work with fluconazole (1 μg/mL) against planktonic cells of fluconazole-resistant C. albicans. The two-drug combination inhibited the C. albicans biofilm formation over 12 h, and reduced the expression of extracellular phospholipase genes, biofilm-specific genes and RAS/cAMP/PKA pathway related genes. In addition, the two-drug combination inhibited the transition from yeast to hyphal growth form, and decreased the secreted aspartyl proteinase activity, while not affecting the drug efflux pumps activity. Galleria mellonella model was also used to confirm the antifungal activity of the drug combination in vivo. This study first indicates that the combination of fluconazole and licofelone has synergistic effect against resistant C. albicans and could be a promising therapeutic strategy for the antifungal treatment.
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spelling doaj.art-ed5f0caea7f74687b71ed5b9f1361d8d2022-12-21T23:53:25ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2017-11-01810.3389/fmicb.2017.02101300835Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicansXinning Liu0Xinning Liu1Tao Li2Decai Wang3Yilei Yang4Wenwen Sun5Jianqiao Liu6Shujuan Sun7Department of Clinical Pharmacy, Taishan Medical University, Taian, ChinaDepartment of Microbial and Biochemical Pharmacy, School of Medicine and Pharmacy, Ocean University of China, Qingdao, ChinaIntensive Care Unit, Qianfoshan Hospital Affiliated to Shandong University, Jinan, ChinaDepartment of Clinical Pharmacy, Taishan Medical University, Taian, ChinaDepartment of Pharmacy, Qianfoshan Hospital Affiliated to Shandong University, Jinan, ChinaDepartment of Clinical Pharmacy, Taishan Medical University, Taian, ChinaGeneral Practice, Shandong Provincial Hospital, Jinan, ChinaDepartment of Pharmacy, Qianfoshan Hospital Affiliated to Shandong University, Jinan, ChinaCandida albicans (C. albicans) is one of the important opportunistic fungal pathogens that is closely associated with disseminated or chronic infections. The objective of this study is to evaluate the synergistic antifungal effect of licofelone, which is dual microsomal prostaglandin E2 synthase/lipoxygenase (mPGES-1/LOX) inhibitor in combination with fluconazole against C. albicans. Here our results showed that licofelone (16 μg/mL) can synergistically work with fluconazole (1 μg/mL) against planktonic cells of fluconazole-resistant C. albicans. The two-drug combination inhibited the C. albicans biofilm formation over 12 h, and reduced the expression of extracellular phospholipase genes, biofilm-specific genes and RAS/cAMP/PKA pathway related genes. In addition, the two-drug combination inhibited the transition from yeast to hyphal growth form, and decreased the secreted aspartyl proteinase activity, while not affecting the drug efflux pumps activity. Galleria mellonella model was also used to confirm the antifungal activity of the drug combination in vivo. This study first indicates that the combination of fluconazole and licofelone has synergistic effect against resistant C. albicans and could be a promising therapeutic strategy for the antifungal treatment.http://journal.frontiersin.org/article/10.3389/fmicb.2017.02101/fullbiofilmscyclooxygenase (COX)drug resistance mechanismsenzyme inhibitorphospholipase
spellingShingle Xinning Liu
Xinning Liu
Tao Li
Decai Wang
Yilei Yang
Wenwen Sun
Jianqiao Liu
Shujuan Sun
Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicans
Frontiers in Microbiology
biofilms
cyclooxygenase (COX)
drug resistance mechanisms
enzyme inhibitor
phospholipase
title Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicans
title_full Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicans
title_fullStr Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicans
title_full_unstemmed Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicans
title_short Synergistic Antifungal Effect of Fluconazole Combined with Licofelone against Resistant Candida albicans
title_sort synergistic antifungal effect of fluconazole combined with licofelone against resistant candida albicans
topic biofilms
cyclooxygenase (COX)
drug resistance mechanisms
enzyme inhibitor
phospholipase
url http://journal.frontiersin.org/article/10.3389/fmicb.2017.02101/full
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