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Barba-Ostria C, Carrera-Pacheco SE, Gonzalez-Pastor R, Zuñiga-Miranda J, Mayorga-Ramos A, Tejera E, Guamán LP. Exploring the Multifaceted Biological Activities of Anthocyanins Isolated from Two Andean Berries. Foods 2024; 13:2625. [PMID: 39200552 PMCID: PMC11353912 DOI: 10.3390/foods13162625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2024] [Revised: 08/20/2024] [Accepted: 08/20/2024] [Indexed: 09/02/2024] Open
Abstract
Natural pigments extracted from plant species are used in foods, cosmetics, and pharmaceuticals. This study evaluates the comprehensive biological activities of anthocyanins isolated from Andean blueberry (Vaccinium floribundum Kunth) and Andean blackberry (Rubus glaucus Benth), focusing on their antimicrobial, antioxidant, antitumoral, anti-inflammatory, and hemolytic properties. Chemical characterization revealed significant anthocyanin content with complex mass spectrometric profiles indicating diverse glycosylation patterns that may influence their bioactivity. The antimicrobial assays showed that the extracts were particularly effective against Gram-positive bacteria, with minimal inhibitory concentrations (MICs) as low as 1 mg/mL for Rubus glaucus, indicating strong potential for therapeutic use. The antioxidant capacity of the berries was substantial, albeit slightly lower than that of ascorbic acid. The extracts also exhibited notable antitumoral activity in various cancer cell lines, showing promise as adjunctive or preventive treatments. The anti-inflammatory effects were confirmed by inhibiting nitric oxide production in macrophage cells, highlighting their potential in managing inflammatory diseases. In terms of hemolytic activity, Rubus glaucus exhibited dose-dependent effects, potentially attributable to anthocyanins and phenolics, while Vaccinium floribundum demonstrated no significant hemolytic activity, underscoring its safety. These findings suggest that anthocyanins from Andean berries possess potent biological activities, which could be leveraged for health benefits in pharmaceutical and nutraceutical applications. Further studies are needed to isolate specific bioactive compounds and investigate their synergistic effects in clinical and real-world contexts.
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Affiliation(s)
- Carlos Barba-Ostria
- Escuela de Medicina, Colegio de Ciencias de la Salud, Universidad San Francisco de Quito USFQ, Quito 170901, Ecuador;
| | - Saskya E. Carrera-Pacheco
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador (R.G.-P.); (J.Z.-M.); (A.M.-R.)
| | - Rebeca Gonzalez-Pastor
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador (R.G.-P.); (J.Z.-M.); (A.M.-R.)
| | - Johana Zuñiga-Miranda
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador (R.G.-P.); (J.Z.-M.); (A.M.-R.)
| | - Arianna Mayorga-Ramos
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador (R.G.-P.); (J.Z.-M.); (A.M.-R.)
| | - Eduardo Tejera
- Bio-Cheminformatics Research Group, Universidad de Las Américas, Quito 170504, Ecuador;
| | - Linda P. Guamán
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170147, Ecuador (R.G.-P.); (J.Z.-M.); (A.M.-R.)
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Asraoui F, El Mansouri F, Cacciola F, Brigui J, Louajri A, Simonetti G. Biofilm Inhibition of Inula viscosa (L.) Aiton and Globularia alypum L. Extracts Against Candida Infectious Pathogens and In Vivo Action on Galleria mellonella Model. Adv Biol (Weinh) 2023; 7:e2300081. [PMID: 37612795 DOI: 10.1002/adbi.202300081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/19/2023] [Indexed: 08/25/2023]
Abstract
The increasing importance of fungal infections has fueled the search for new beneficial alternatives substance from plant extracts. The current study investigates the antifungal and antibiofilm activity of Inula viscosa (L.) Aiton and Globularia alypum (L.) leaves extracts against Candida both in vitro and in vivo. The inhibition of planktonic and sessile Candida albicans and Candida glabrata growth using both leaf extracts are evaluated. Moreover; an in vivo infection model using Galleria mellonella larvae; infected and treated with the extracts are performed. All extracts show fungicidal activity; with a minimum fungicidal concentration (MFC) ranging from 128 to 512 µg mL-1 against the two selected strains of Candida. In particular, the best results are obtained with methanolic extract of I. viscosa and G. alypum with an MFC value of 128 µg mL-1 . The extracts are capable to prevent 90% of biofilm development at minor concentrations ranging from 100.71 ± 2.49 µg mL-1 to 380.4 ± 0.92 µg mL-1 . In vivo, tests on Galleria mellonella larvae show that the extracts increase the survival of the larvae infected with Candida. The attained results reveal that I. viscosa and G. alypum extracts may be considered as new antifungal agents and biofilm inhibiting agents for the pharmaceutical and agro-food field.
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Affiliation(s)
- Fadoua Asraoui
- Laboratory of Applied Biology and Pathologies, Department of Biology, Faculty of Sciences of Tetouan, Abdelmalek Essaâdi University, Tetouan, 93000, Morocco
| | - Fouad El Mansouri
- Research Team: Materials, Environment and Sustainable Development (MEDD), Faculty of Sciences and Techniques of Tangier, Abdelmalek Essaadi University, B.P. 416, Tangier, 90000, Morocco
| | - Francesco Cacciola
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Messina, 98125, Italy
| | - Jamal Brigui
- Research Team: Materials, Environment and Sustainable Development (MEDD), Faculty of Sciences and Techniques of Tangier, Abdelmalek Essaadi University, B.P. 416, Tangier, 90000, Morocco
| | - Adnane Louajri
- Laboratory of Applied Biology and Pathologies, Department of Biology, Faculty of Sciences of Tetouan, Abdelmalek Essaâdi University, Tetouan, 93000, Morocco
| | - Giovanna Simonetti
- Dipartimento di Biologia Ambientale, Università degli Studi di Roma "La Sapienza", P.le Aldo Moro 5, Rome, 00185, Italy
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Carradori S, Ammazzalorso A, De Filippis B, Şahin AF, Akdemir A, Orekhova A, Bonincontro G, Simonetti G. Azole-Based Compounds That Are Active against Candida Biofilm: In Vitro , In Vivo and In Silico Studies. Antibiotics (Basel) 2022; 11:antibiotics11101375. [PMID: 36290033 PMCID: PMC9598150 DOI: 10.3390/antibiotics11101375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/03/2022] [Accepted: 10/03/2022] [Indexed: 11/19/2022] Open
Abstract
Fungal pathogens, including Candida spp., Aspergillus spp. and dermatophytes, cause more than a billion human infections every year. A large library of imidazole- and triazole-based compounds were in vitro screened for their antifungal activity against C. albicans, C. glabrata, C. krusei, A. fumigatus and dermatophytes, such as Microsporum gypseum, Trichophyton rubrum and Trichophyton mentagrophytes. The imidazole carbamate 12 emerged as the most active compound, showing a valuable antifungal activity against C. glabrata (MIC 1−16 μg/mL) and C. krusei (MIC 4−24 μg/mL). No activity against A. fumigatus or the dermatophytes was observed among all the tested compounds. The compound 12 inhibited the formation of C. albicans, C. glabrata and C. krusei biofilms and reduced the mature Candida biofilm. In the Galleria mellonella larvae, 12 showed a significant reduction in the Candida infection, together with a lack of toxicity at the concentration used to activate its antifungal activity. Moreover, the in silico prediction of the putative targets revealed that the concurrent presence of the imidazole core, the carbamate and the p-chlorophenyl is important for providing a strong affinity for lanosterol 14α-demethylase (CgCYP51a1) and the fungal carbonic anhydrase (CgNce103), the S-enantiomer being more productive in these interactions.
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Affiliation(s)
- Simone Carradori
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
- Computer-Aided Drug Discovery Laboratory, Department of Pharmacology, Faculty of Pharmacy, Bezmialem Vakif University, 34093 Istanbul, Turkey
| | - Alessandra Ammazzalorso
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
- Correspondence:
| | - Barbara De Filippis
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Ahmet Fatih Şahin
- Department of Drug Discovery and Development, Institute of Health Sciences, Bezmialem Vakif University, 34093 Istanbul, Turkey
| | - Atilla Akdemir
- Computer-Aided Drug Discovery Laboratory, Department of Pharmacology, Faculty of Pharmacy, Bezmialem Vakif University, 34093 Istanbul, Turkey
- Department of Drug Discovery and Development, Institute of Health Sciences, Bezmialem Vakif University, 34093 Istanbul, Turkey
| | - Anastasia Orekhova
- Department of Public Health and Infectious Diseases, “Sapienza” University of Rome, 00185 Rome, Italy
| | - Graziana Bonincontro
- Department of Environmental Biology, “Sapienza” University of Rome, 00185 Rome, Italy
| | - Giovanna Simonetti
- Department of Environmental Biology, “Sapienza” University of Rome, 00185 Rome, Italy
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Gervasi T, Ginestra G, Mancuso F, Barreca D, De Luca L, Mandalari G. The In Vitro Potential of 1-(1 H-indol-3-yl) Derivatives against Candida spp. and Aspergillus niger as Tyrosinase Inhibitors. Microorganisms 2021; 9:microorganisms9102070. [PMID: 34683392 PMCID: PMC8538185 DOI: 10.3390/microorganisms9102070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 11/16/2022] Open
Abstract
Given the increased antimicrobial resistance, global effort is currently focused on the identification of novel compounds, both of natural and chemical origin. The present study reports on the antifungal potential of 1-(1H-indol-3-yl) derivatives, previously known as tyrosinase inhibitors. The effect of seven compounds (indicated as 3a-g) was determined against Candida albicans ATCC 10531, three clinical isolates of Candida albicans, two clinical isolates of Candida glabrata, two clinical isolates of Candida parapsilosis and Aspergillus niger ATCC 16404. The effect of these derivatives on tyrosinase enzymatic activity was also evaluated. Results showed a fungicidal activity of compounds 3b, 3c and 3e against all tested strains at concentrations ranging between 0.250 and 1 mg/mL. Furthermore, the association between 3c and fluconazole and between 3b and caspofungin showed a trend of indifference tending toward synergism. Compound 3c was also able to inhibit microbial tyrosinase up to ~28% at the concentration of 0.250 mg/mL. These data could help provide novel therapeutics for topical use to treat fungal infections and increase the potential effectiveness of the association between novel compounds and commercial antifungals in order to combat drug resistance.
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Affiliation(s)
- Teresa Gervasi
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy;
| | - Giovanna Ginestra
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (G.G.); (F.M.); (D.B.)
| | - Francesca Mancuso
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (G.G.); (F.M.); (D.B.)
| | - Davide Barreca
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (G.G.); (F.M.); (D.B.)
| | - Laura De Luca
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (G.G.); (F.M.); (D.B.)
- Correspondence: (L.D.L.); (G.M.); Tel.: +39-090-6766410 (L.D.L.); +39-090-6766593 (G.M.)
| | - Giuseppina Mandalari
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (G.G.); (F.M.); (D.B.)
- Correspondence: (L.D.L.); (G.M.); Tel.: +39-090-6766410 (L.D.L.); +39-090-6766593 (G.M.)
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