1
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Ghosh S, Al-Sharify ZT, Maleka MF, Onyeaka H, Maleke M, Maolloum A, Godoy L, Meskini M, Rami MR, Ahmadi S, Al-Najjar SZ, Al-Sharify NT, Ahmed SM, Dehghani MH. Propolis efficacy on SARS-COV viruses: a review on antimicrobial activities and molecular simulations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:58628-58647. [PMID: 35794320 PMCID: PMC9258455 DOI: 10.1007/s11356-022-21652-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
This current study review provides a brief review of a natural bee product known as propolis and its relevance toward combating SARS-CoV viruses. Propolis has been utilized in medicinal products for centuries due to its excellent biological properties. These include anti-oxidant, immunomodulatory, anti-inflammatory, anti-viral, anti-fungal, and bactericidal activities. Furthermore, studies on molecular simulations show that flavonoids in propolis may reduce viral replication. While further research is needed to validate this theory, it has been observed that COVID-19 patients receiving propolis show earlier viral clearance, enhanced symptom recovery, quicker discharge from hospitals, and a reduced mortality rate relative to other patients. As a result, it appears that propolis could probably be useful in the treatment of SARS-CoV-2-infected patients. Therefore, this review sought to explore the natural properties of propolis and further evaluated past studies that investigated propolis as an alternative product for the treatment of COVID-19 symptoms. In addition, the review also highlights the possible mode of propolis action as well as molecular simulations of propolis compounds that may interact with the SARS-CoV-2 virus. The activity of propolis compounds in decreasing the impact of COVID-19-related comorbidities, the possible roles of such compounds as COVID-19 vaccine adjuvants, and the use of nutraceuticals in COVID-19 treatment, instead of pharmaceuticals, has also been discussed.
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Affiliation(s)
- Soumya Ghosh
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, 9301, South Africa
| | - Zainab T Al-Sharify
- Department of Environmental Engineering, College of Engineering, Mustansiriyah University, Bab-al-Mu'adhem, P.O. Box 14150, Baghdad, Iraq
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Mathabatha Frank Maleka
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, 9301, South Africa
| | - Helen Onyeaka
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Maleke Maleke
- Department of Life Science, Faculty of Health and Environmental Science, Central University of Technology, Bloemfontein, 9301, South Africa
| | - Alhaji Maolloum
- Department of Physics, Faculty of Science, University of Maroua, PO BOX 46, Maroua, Cameroon
- Department of Chemistry, University of the Free State, PO BOX 339, Bloemfontein, 9300, South Africa
| | - Liliana Godoy
- Department of Fruit and Oenology, Faculty of Agronomy and Forestry, Pontifical Catholic University of Chile, Santiago, Chile
| | - Maryam Meskini
- Microbiology Research Center, Pasteur Institute of Iran, Teheran, Iran
- Mycobacteriology & Pulmonary Research Department, Pasteur Institute of Iran, Teheran, Iran
| | - Mina Rezghi Rami
- Department of Chemistry, K.N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran
| | - Shabnam Ahmadi
- Department of Environmental Health Engineering, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Shahad Z Al-Najjar
- Chemical Engineering Department, College of Engineering, Al-Nahrain University, Baghdad, Iraq
| | - Noor T Al-Sharify
- Medical Instrumentation Engineering Department, Al-Esraa University College, Baghdad, Iraq
| | - Sura M Ahmed
- Department of Electrical and Electronic Engineering, College of Engineering, Universiti Tenaga Nasional, Kajang, Malaysia
| | - Mohammad Hadi Dehghani
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
- Center for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran.
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2
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Portuguese Propolis Antitumoral Activity in Melanoma Involves ROS Production and Induction of Apoptosis. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27113533. [PMID: 35684471 PMCID: PMC9182411 DOI: 10.3390/molecules27113533] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/27/2022] [Accepted: 05/29/2022] [Indexed: 12/15/2022]
Abstract
Melanoma is the most aggressive and life-threatening skin cancer type. The melanoma genome is the most frequently mutated, with the BRAF mutation present in 40–60% of melanoma cases. BRAF-mutated melanomas are characterized by a higher aggressiveness and progression. Adjuvant targeted treatments, such as BRAF and MEK inhibitors, are added to surgical excision in BRAF-mutated metastatic melanomas to maximize treatment effectiveness. However, resistance remains the major therapeutic problem. Interest in natural products, like propolis, for therapeutic applications, has increased in the last years. Propolis healing proprieties offer great potential for the development of novel cancer drugs. As the activity of Portuguese propolis has never been studied in melanoma, we evaluated the antitumoral activity of propolis from Gerês (G18.EE) and its fractions (n-hexane, ethyl acetate (EtOAc), and n-butanol) in A375 and WM9 melanoma cell lines. Results from DPPH•/ABTS• radical scavenging assays indicated that the samples had relevant antioxidant activity, however, this was not confirmed in the cell models. G18.EE and its fractions decreased cell viability (SRB assay) and promoted ROS production (DHE/Mitotracker probes by flow cytometry), leading to activation of apoptotic signaling (expression of apoptosis markers). Our results suggest that the n-BuOH fraction has the potential to be explored in the pharmacological therapy of melanoma.
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3
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Hossain S, Yousaf M, Liu Y, Chang D, Zhou X. An Overview of the Evidence and Mechanism of Drug-Herb Interactions Between Propolis and Pharmaceutical Drugs. Front Pharmacol 2022; 13:876183. [PMID: 35444531 PMCID: PMC9015648 DOI: 10.3389/fphar.2022.876183] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 02/28/2022] [Indexed: 12/18/2022] Open
Abstract
With the growing interest in the medicinal use of propolis, numerous studies have reported significant interactions between propolis extract and pharmaceutical drugs which may result in great clinical benefits or risks. The present study aims to review the drug-herb interactions of the full-spectrum propolis extract and main pharmaceutical drugs from the pharmacodynamic and pharmacokinetic aspects and elucidate the underlying pharmacological mechanisms. A literature search was conducted between June 2021 and February 2022 in Google Scholar, PubMed, MEDLINE, and EMBASE databases to include English studies from years 2000 to 2022 that evaluated the interaction of full-spectrum propolis extract and standard pharmaceutical drugs/cytochromes P450s. Studies that looked into geopropolis, propolis fractions, and isolated compounds, or interaction of propolis with foods, bioactive molecules, or receptors other than standard pharmaceutical drugs were excluded. From a pharmacodynamic perspective, propolis extract exhibited positive or synergistic interaction with several chemotherapeutic drugs by enhancing antitumor activity, sensitizing the chemoresistance cell lines, and attenuating multi-organ toxicity. The molecular mechanisms were associated with upregulating the apoptotic signal and immunomodulatory activity and attenuating oxidative damage. Propolis extract also enhanced the anti-bacterial and antifungal activities of many antimicrobial drugs against sensitive and resistant organisms, with an effect against the gram-positive bacteria stronger than that of the gram-negative bacteria. The synergistic action was related to strengthened action on interfering cell wall integrity and protein synthesis. The strong antioxidant activity of propolis also strengthened the therapeutic effect of metformin in attenuating hyperglycemia and pancreatic damage, as well as mitigating oxidative stress in the liver, kidney, and testis. In addition, propolis showed a potential capacity to enhance short-term and long-term memory function together with donepezil and improve motor function with levodopa and parasite killing activity with praziquantel. Pharmacokinetic studies showed inhibitory activities of propolis extracts on several CYP450 enzymes in vitro and in vivo. However, the effects on those CYP450 were deemed insignificant in humans, which may be attributed to the low bioavailability of the contributing bioactive compounds when administered in the body. The enhanced bioactivities of propolis and main pharmaceutical drugs support using propolis in integrative medicine in anti-cancer, anti-microbial, antidiabetic, and neurological disorders, with a low risk of altered pharmacokinetic activities.
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Affiliation(s)
- Sanowar Hossain
- Department of Pharmacy, Pabna University of Science and Technology, Pabna, Bangladesh
| | - Muhammad Yousaf
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan
| | - Yang Liu
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Dennis Chang
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Xian Zhou
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
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4
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de Meneses IHC, de Morais Sampaio GA, Vieira RA, da Silva Campos MJ, Alves PM, Pithon MM, Lacerda-Santos R. Effect of Yellow Propolis on Biocompatibility of Cements: Morphological and Immunohistochemistry Analysis. Eur J Dent 2021; 16:130-136. [PMID: 34428843 PMCID: PMC8890933 DOI: 10.1055/s-0041-1731888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Objective
The focus of this study was to evaluate the biocompatibility of ionomer cements modified with ethanolic extracts of propolis (EEP) in different concentrations and time intervals.
Materials and Methods
In total, one hundred and thirty-five male Wistar rats were randomized into nine groups: Control, Groups Meron, and Groups Ketac (conventional, and added with 10, 25, 50% EEP, respectively). Histological analyses of inflammatory infiltrate and collagen fibers, and immunohistochemistry of CD68+ for macrophages (MOs) and multinucleated giant cells (MGCs) were performed.
Statistical Analysis
Data were analyzed using the Kruskal—Wallis and Dunn (
p
< 0.05) tests.
Results
Intense inflammatory infiltrate was demonstrated in the cements with 10% EEP at 7 days and 15 days (
p
< 0.05), only Group Ketac 10% EEP (
p
= 0.01) at 30 days. A smaller quantity of collagen fibers was observed in the cements with 10% EEP (
p
= 0.01) at 7 days, and Group Meron 10% EEP (
p
= 0.04) at 15 days. MOs and MGCs showed significant difference for the cements with 10% EEP (
p
= 0.01) at 7 and 15 days. At 30 days, MOs persisted in the Groups with 10% EEP.
Conclusions
The concentration of 10% EEP had the greatest influence on the inflammatory and tissue repair processes. The concentrations of 25 and 50% EEP demonstrated biocompatibility similar to that of cements that did not receive EEP.
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Affiliation(s)
| | | | - Rayssa Amaral Vieira
- Graduate Program in Dentistry, Dental School, Federal University of Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Márcio José da Silva Campos
- Graduate Program in Dentistry, Dental School, Federal University of Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Polliana Muniz Alves
- Department of Pathology, Dental School, State University of Paraíba, Campina Grande, Paraíba, Brazil
| | - Matheus Melo Pithon
- Department of Orthodontics, State University of the Southwest of Bahia, Jéquie, Bahia, Brazil
| | - Rogério Lacerda-Santos
- Department of Orthodontics and Pediatric Dentistry, Dental School, Federal University of de Fora, Minas Gerais, Brazil
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Potential Application of Propolis Extracts to Control the Growth of Stemphylium vesicarium in “Rocha” Pear. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10061990] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Stemphylium vesicarium (Wallr.) E. G. Simmons is the pathogen responsible of brown spot disease in pear and has become one of the main concerns for European pear producers. In Portugal, S. vesicarium is responsible for significant yield reduction and economic losses in “Rocha” pear (Pyrus communis L. cv Rocha) production. Considering the antimicrobial potential of propolis, the high incidence of brown spot in pears and the emergence of fungicides resistance in S. vesicarium, this study aimed to evaluate the potential of Portuguese propolis as an alternative strategy to control brown spot disease in “Rocha” pear. In vitro assays showed that propolis extracts were able to inhibit up to 90% the S. vesicarium mycelial growth. In vivo assays in artificially wounded and inoculated “Rocha” pears showed that, compared to the control, the disease incidence decreased up to 25% and the lesions diameter up to 57%, in fruits treated with propolis. Moreover, propolis seems to be more efficient in reducing the disease incidence when applied after pathogen inoculation (curative assay) than when applied before pathogen inoculation (prophylactic assay). Thus, the results suggest that propolis extracts have potential to be applied as part of an integrated approach for the control of brown spot of pear.
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Meneses IHCD, Sampaio GADM, Carvalho FGD, Carlo HL, Münchow EA, Pithon MM, Alves PM, Lacerda-Santos R. In Vivo Biocompatibility, Mechanical, and Antibacterial Properties of Cements Modified with Propolis in Different Concentrations. Eur J Dent 2020; 14:77-84. [PMID: 32168534 PMCID: PMC7079564 DOI: 10.1055/s-0040-1702255] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Objectives
The focus of this triple-blind randomized study was to evaluate the mechanical properties, antibacterial effect, and
in vivo
biocompatibility of glass ionomer cements (GICs) modified with ethanolic extracts of propolis (EEP).
Materials and Methods
For biocompatibility tests, 135 male Wistar rats were used and divided into nine groups: Group C (control, polyethylene), Groups M, M10, M25, M50 (Meron; conventional, and modified with 10%, 25%, 50% EEP, respectively), Groups KC, KC10, KC25, KC50 (Ketac Cem; conventional, and modified with 10%, 25%, 50% EEP, respectively). The tissues were analyzed under an optical microscope for different cellular events in different time intervals. Shear bond strength test (SBST) on cementation of metal matrices (
n
= 10, per group), adhesive remnant index (ARI) in bovine incisors (
n
= 10, per group), and antibacterial properties by the agar diffusion test (
n
= 15, per group) were analyzed.
Statistical Analysis
Data were analyzed by Kruskal–Wallis test followed by Dunn, and one-way analysis of variance test followed by Tukey’s test (
p
< 0.5).
Results
Morphological evaluation demonstrated intense inflammatory infiltrate in Groups M10 and KC10 in the time intervals of 7 (
p
= 0.001) and 15 (
p
= 0.006) days. Multinucleated giant cells were shown to be more present in Group M1, with statistical difference from Control and KC50 Groups in the time interval of 7 days (
p
= 0.033). The SBST showed no statistical significance among the groups (
p
> 0.05). Antibacterial property showed a statistically significant difference between Meron and Meron 50%-EEP Groups, and between Ketac and Ketac 50%-EPP Groups (
p
= 0.001).
Conclusions
The intensity of histological changes resulting from the cements was shown to be inversely proportional to the concentration of propolis added; Ketac 50%-EPP was the concentration that had the most favorable biocompatibility results. Addition of EEP to GIC did not negatively change the SBST and ARI. Antibacterial property demonstrated a concentration-dependent effect.
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Affiliation(s)
| | - Gêisa Aiane de Morais Sampaio
- Department of Clinical and Social Dentistry, Dental School, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - Fabiola Galbiatti de Carvalho
- Department of Orthodontics and Pediatric Dentistry, Dental School, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
| | - Hugo Lemes Carlo
- Department of Restorative Dentistry, Dental School, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
| | - Eliseu Aldrighi Münchow
- Department of Restorative Dentistry, Dental School, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
| | - Matheus Melo Pithon
- Department of Orthodontics, Dental School, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil.,Department of Orthodontics, State University of the Southwest of Bahia, Jéquie, Bahia, Brazil
| | - Polliana Muniz Alves
- Department of Pathology, Dental School, State University of Paraíba, Campina Grande, Paraíba, Brazil
| | - Rogério Lacerda-Santos
- Department of Orthodontics, Dental School, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil.,Department of Orthodontics and Pediatric Dentistry, Dental School, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
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7
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El‐Guendouz S, Lyoussi B, Miguel MG. Insight on Propolis from Mediterranean Countries: Chemical Composition, Biological Activities and Application Fields. Chem Biodivers 2019; 16:e1900094. [DOI: 10.1002/cbdv.201900094] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 05/09/2019] [Indexed: 01/01/2023]
Affiliation(s)
- Soukaina El‐Guendouz
- Laboratory of Physiology-Pharmacology-Environmental HealthFaculty of Sciences Dhar El MehrazUniversity Sidi Mohamed Ben Abdallah Fez, BP 1796 Atlas 30000 Morocco
- Department of Chemistry and PharmacyFaculty of Science and TechnologyMeditBioUniversity of Algarve Campus de Gambelas, MeditBio Faro 8005-139 Portugal
| | - Badiaa Lyoussi
- Laboratory of Physiology-Pharmacology-Environmental HealthFaculty of Sciences Dhar El MehrazUniversity Sidi Mohamed Ben Abdallah Fez, BP 1796 Atlas 30000 Morocco
| | - Maria G. Miguel
- Department of Chemistry and PharmacyFaculty of Science and TechnologyMeditBioUniversity of Algarve Campus de Gambelas, MeditBio Faro 8005-139 Portugal
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8
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Nguyen HX, Nguyen MTT, Nguyen NT, Awale S. Chemical Constituents of Propolis from Vietnamese Trigona minor and Their Antiausterity Activity against the PANC-1 Human Pancreatic Cancer Cell Line. JOURNAL OF NATURAL PRODUCTS 2017; 80:2345-2352. [PMID: 28783356 DOI: 10.1021/acs.jnatprod.7b00375] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The ethanol extract of propolis from the Vietnamese stingless bee Trigona minor possessed potent preferential cytotoxicity against PANC-1 human pancreatic cancer cells in nutrient-deprived medium, with a PC50 value of 14.0 μg/mL. Chemical investigation of this extract led to the isolation of 15 cycloartane-type triterpenoids, including five new compounds (1-5), and a lanostane-type triterpenoid. The structures of the new compounds were elucidated on the basis of NMR spectroscopic analysis. Among the isolated compounds, 23-hydroxyisomangiferolic acid B (5) and 27-hydroxyisomangiferolic acid (13) exhibited the most potent preferential cytotoxicity against PANC-1 human pancreatic cancer cells under nutrition-deprived conditions, with PC50 values of 4.3 and 3.7 μM, respectively.
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Affiliation(s)
| | | | | | - Suresh Awale
- Division of Natural Drug Discovery, Institute of Natural Medicine, University of Toyama , 2630 Sugitani, Toyama 930-0194, Japan
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9
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Samadi N, Mozaffari-Khosravi H, Rahmanian M, Askarishahi M. Effects of bee propolis supplementation on glycemic control, lipid profile and insulin resistance indices in patients with type 2 diabetes: a randomized, double-blind clinical trial. JOURNAL OF INTEGRATIVE MEDICINE-JIM 2017; 15:124-134. [PMID: 28285617 DOI: 10.1016/s2095-4964(17)60315-7] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Propolis, a natural resinous substance made by bees from material extracted from plants, flowers and bee's wax, has shown great therapeutic effects and been widely used in food and drug industries. Recently, some researchers have studied the effect of this substance in the treatment of diabetes. OBJECTIVE The purpose of this trial was to determine the effect of bee propolis on glycemic control, serum lipid profile and insulin resistance indices in patients with type 2 diabetes (T2D). DESIGN, SETTING, PARTICIPANTS AND INTERVENTIONS This randomized clinical trial involved 66 patients with T2D, which were randomly divided into two groups of intervention (IG) and placebo (PG). IG received 300 mg three times a day for a total of 900 mg/d of propolis pills, while PG received similar pills, lacking propolis, on the same schedule for 12 weeks. MAIN OUTCOME MEASURES Fasting blood glucose (FBG), hemoglobin A1c (HbA1c), total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein (HDL), triglyceride (TG), serum insulin and insulin resistance indices were the main outcome measures. RESULTS The mean change in FBG between the IG ((17.76 ± 27.72) mg/dL decrease) and the PG ((6.48 ± 42.77) mg/dL increase) was significantly different (P = 0.01). Change in mean HbA1c had a similar pattern to FBG. The mean change in TC between the IG ((5.16 ± 43.80) mg/dL increase) and the PG ((28.9 ± 27.4) mg/dL increase) was also significantly different (P = 0.01), showing the protective role of propolis against the increase in TC. The change in mean LDL was similar to mean TC. There was no significant difference in other lipids or insulin resistance indices between the two groups. CONCLUSION Based on this study, the daily intake of 900 mg of bee propolis supplement for 12 weeks results in improvement of glycemic and some serum lipid levels in patients with T2D. TRIAL REGISTRATION This study is registered on the website of Iranian Ministry of Health (www.irct.ir) with proprietary code of IRCT2014080218659N1.
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Affiliation(s)
- Nazli Samadi
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hassan Mozaffari-Khosravi
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Yazd Diabetic Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Masoud Rahmanian
- Yazd Diabetic Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Internal Medicine, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mohsen Askarishahi
- Department of Biostatistics and Epidemiology, Faculty of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Abstract
Propolis is one of the complex, but valuable, bio-sources for discovering therapeutic compounds. Diterpenes are organic compounds composed of four isoprene units and are known for their biological and pharmacological characteristics, such as antibacterial, anticancer, and anti-inflammatory activities. Recently, advancements have been made in the development of antibacterial and anticancer leads from propolis-isolated diterpenes, and scrutiny of these compounds is being pursued. Thus, this review covers the progress in this arena, with a focus on the chemistry and biological activities of propolis diterpenes. It is anticipated that important information, in a comprehensive and concise manner, will be delivered here for better understanding of natural product drug discovery research.
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Afrouzan H, Tahghighi A, Zakeri S, Es-haghi A. Chemical Composition and Antimicrobial Activities of Iranian Propolis. IRANIAN BIOMEDICAL JOURNAL 2017; 22:50-65. [PMID: 28558440 PMCID: PMC5712385 DOI: 10.22034/ibj.22.1.50] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Background With considering the importance of natural products for their remedial and therapeutic value, this research was aimed to analyze the chemical compositions and antimicrobial activity of four propolis samples from different areas of Iran (Chenaran, Taleghan, Morad Beyg, and Kalaleh) with various climates and flora. Methods Ethanolic (70% EtOH) and dichlromethane (DCM) extracts of Iranian propolis were analyzed by gas chromatography-mass spectrometry (GC-MS) methods, and antimicrobial activity was evaluated against Candida albicans, Escherichia coli, and Staphylococcus aureus using disk diffusion antimicrobial method. Results The results of GC-MS analysis showed the presence of fatty acids, flavonoids, terpenes, aromatic-aliphatic acids, and their related esters. The total flavonoids in DCM extract of Chenaran, Taleghan, Morad Beyg, and Kalaleh propolis were pinocembrin and pinostrobin chalcone. The common phenolic and terpene compounds detected in all four tested EtOH extracts were P-cumaric acid and dimethyl -1,3,5,6-tetramethyl-[1,3-(13C2)] bicycloce [5.5.0] dodeca-1,3,5,6,8,10-hexaene-9,10-dicarboxylate, respectively. The highest inhibitory diameter zone of the Iranian propolis against C. albicans, E. coli, and S. aureus was for DCM extract of Kalaleh propolis (13.33 mm), Morad Beyg propolis (12 mm), and Kalaleh (11.67 mm), respectively. Conclusion Iranian propolis showed antimicrobial activities against C. albicans, E. coli, and S. aurous, perhaps due to the presence of flavonoids, phenolic acids, and terpenes as active components that can be used alone or in combination with the selected antibiotics to
synergize antibiotic effect, as well as to prevent microbial resistance to available antimicrobial drugs.
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Affiliation(s)
- Houshang Afrouzan
- Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran.,Honey bee Department Animal Sciences Research Institute, Karaj, Iran
| | - Azar Tahghighi
- Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran
| | - Sedigheh Zakeri
- Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran
| | - Ali Es-haghi
- Department of Physico Chemistry, Razi Vaccine and Serum Research Institute Karaj, Iran
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12
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Karakis D, Akay C, Oncul B, Rad AY, Dogan A. Effectiveness of disinfectants on the adherence of Candida albicans to denture base resins with different surface textures. J Oral Sci 2017; 58:431-7. [PMID: 27665984 DOI: 10.2334/josnusd.15-0642] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
The aim of the present study was to compare the effects of some disinfectants, including ethanol extract of propolis (EEP), on the adhesion of Candida albicans to denture base resins. Seventy-two acrylic resin samples were prepared, half of which was polished and the other half was roughened. C. albicans strain ATCC 10231 was incubated on Sabouraud dextrose agar (SDA) at 37°C for 48 h. The adhesion period was completed by keeping the cells in this suspension for 90 min at 37°C. Specimens were then immersed in the following solutions: 1%, 2%, and 5% sodium hypochlorite; 4% chlorhexidine gluconate; and 10% EEP. Quantification of the antifungal activity of the chemical solutions was performed using the colorimetric MTT (3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide) assay test. One-way ANOVA and post-hoc Tukey tests were performed to evaluate the effectiveness of chemical agents. Polished and roughened surfaces were compared using independent sample t-test. The mean surface roughness value was 0.35 (±0.04) µm for the polished group and 1.2 (±0.2) µm for the roughened group. The contact angles of both surfaces showed statistically significant difference, and 10% EEP solution exhibited significantly less removal of adherent viable C. albicans cells in both groups. All forms of sodium hypochlorite solutions yielded higher efficiency than 4% chlorhexidine gluconate and EEP solutions (P < 0.05). (J Oral Sci 58, 431-437, 2016).
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Affiliation(s)
- Duygu Karakis
- Department of Prosthetic Dentistry, Faculty of Dentistry, University of Gazi
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Drescher N, Klein AM, Neumann P, Yañez O, Leonhardt SD. Inside Honeybee Hives: Impact of Natural Propolis on the Ectoparasitic Mite Varroa destructor and Viruses. INSECTS 2017; 8:E15. [PMID: 28178181 PMCID: PMC5371943 DOI: 10.3390/insects8010015] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 01/19/2017] [Accepted: 01/22/2017] [Indexed: 11/17/2022]
Abstract
Social immunity is a key factor for honeybee health, including behavioral defense strategies such as the collective use of antimicrobial plant resins (propolis). While laboratory data repeatedly show significant propolis effects, field data are scarce, especially at the colony level. Here, we investigated whether propolis, as naturally deposited in the nests, can protect honeybees against ectoparasitic mites Varroa destructor and associated viruses, which are currently considered the most serious biological threat to European honeybee subspecies, Apis mellifera, globally. Propolis intake of 10 field colonies was manipulated by either reducing or adding freshly collected propolis. Mite infestations, titers of deformed wing virus (DWV) and sacbrood virus (SBV), resin intake, as well as colony strength were recorded monthly from July to September 2013. We additionally examined the effect of raw propolis volatiles on mite survival in laboratory assays. Our results showed no significant effects of adding or removing propolis on mite survival and infestation levels. However, in relation to V. destructor, DWV titers increased significantly less in colonies with added propolis than in propolis-removed colonies, whereas SBV titers were similar. Colonies with added propolis were also significantly stronger than propolis-removed colonies. These findings indicate that propolis may interfere with the dynamics of V. destructor-transmitted viruses, thereby further emphasizing the importance of propolis for honeybee health.
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Affiliation(s)
- Nora Drescher
- Institute of Ecology, Leuphana University of Lüneburg, Scharnhorststr. 1, Lüneburg D-21335, Germany.
| | - Alexandra-Maria Klein
- Department of Nature Conservation and Landscape Ecology, University of Freiburg, Tennenbacher Str. 4, Freiburg D-79106, Germany.
| | - Peter Neumann
- Institute of Bee Health, Vetsuisse Faculty, University of Bern, Schwarzenburgstrasse 161, Bern CH-3003, Switzerland.
- Swiss Bee Research Centre, Agroscope, Bern CH-3003, Switzerland.
| | - Orlando Yañez
- Institute of Bee Health, Vetsuisse Faculty, University of Bern, Schwarzenburgstrasse 161, Bern CH-3003, Switzerland.
- Swiss Bee Research Centre, Agroscope, Bern CH-3003, Switzerland.
| | - Sara D Leonhardt
- Department of Animal Department of Ecology and Tropical Biology, University of Würzburg, Biocenter-Am Hubland, Würzburg D-97074, Germany.
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Mutlu Sariguzel F, Berk E, Koc AN, Sav H, Demir G. Antifungal Activity of Propolis Against Yeasts Isolated From Blood Culture: In Vitro Evaluation. J Clin Lab Anal 2016; 30:513-6. [PMID: 26791093 PMCID: PMC6807121 DOI: 10.1002/jcla.21889] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 04/16/2015] [Accepted: 07/30/2015] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Due to the failure of available antifungal agents in the treatment of candidemia and the toxic activities of these drugs, a lot of researches are being conducted to develop new nontoxic and effective antifungal agents for optimal control of fungal pathogens. The aim of this study is to evaluate the in vitro antifungal activity of propolis against yeasts isolated from the blood cultures of intensive care unit patients. METHODS Seventy-six strains were included in this study. The in vitro antifungal activity of propolis, fluconazole (FLU), and itraconazole (ITR) was investigated by the microdilution broth methods (CLSI guidelines M27-A3 for yeast). The propolis sample was collected from Kayseri, Turkey. RESULTS Of the 76 isolates, 33 were identified as Candida albicans while 37 were C. parapsilosis, three were C. tropicalis, and three were identified as C. glabrata. The geometric mean range for MIC (μg/ml) with regard to all isolates was 0.077 to 3 μg/ml for FLU and ITR, and 0.375 to 0.70 μg/ml for propolis. It was shown that propolis had significant antifungal activity against all Candida strains and the MIC range of propolis was determined as 0185 to 3 μg/ml. CONCLUSION This study demonstrated that propolis had significant antifungal activity against yeasts isolated from blood culture compared with FLU and ITR. The propolis MIC in azole-resistant strains such as C. glabrata was found lower than the FLU MIC.
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Affiliation(s)
- Fatma Mutlu Sariguzel
- Department of Microbiology, Kayseri Education and Research Hospital, Kayseri, Turkey.
| | - Elife Berk
- Department of Microbiology, Erciyes University Medical School, Kayseri, Turkey
| | - Ayes Nedret Koc
- Department of Microbiology, Erciyes University Medical School, Kayseri, Turkey
| | - Hafize Sav
- Department of Microbiology, Erciyes University Medical School, Kayseri, Turkey
| | - Gonca Demir
- Department of Microbiology, Erciyes University Medical School, Kayseri, Turkey
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Sampietro DA, Sampietro Vattuone MM, Vattuone MA. Immunomodulatory activity of Apis mellifera propolis from the North of Argentina. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.02.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Sun LP, Xu X, Hwang HH, Wang X, Su KY, Chen YLS. Dichloromethane extracts of propolis protect cell from oxygen-glucose deprivation-induced oxidative stress via reducing apoptosis. Food Nutr Res 2016; 60:30081. [PMID: 27329777 PMCID: PMC4916261 DOI: 10.3402/fnr.v60.30081] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 04/26/2016] [Accepted: 05/05/2016] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Bee propolis, a mixture of the secretion from bee tongue gland and wax gland, was collected from the tree bud and barked by bees. The components were rich in terpenes, phenolics, and flavonoids, and had anti-cancer, anti-bacterial, anti-inflammatory, hepatoprotective, and neuroprotection abilities. However, the potential anti-oxidative stress of propolis was not well documented. This study aimed to study the protective effect of propolis on high-incident nonfatal diseases, such as stroke and cerebral infarction caused by ischemia. OBJECTIVE Oxidative stress caused by acute stroke results in inflammation and injury followed by cell damage and apoptosis. Clarification of the anti-oxidative stress effect of propolis may contribute to stroke prevention and damage reduction. DESIGN Propolis was separated and purified into 70% ethanol and dichloromethane extracts systematically. The fraction three (Fr.3) of dichloromethane was further separated into pinocembrin, pinobanksin, pinobanksin-3-acetate, chrysin, and galangin by chromatography. Compounds extracted from propolis were tested for cell-protection effects in an oxygen-glucose deprivation (OGD) N2a cell model. MTT assay, oxidative stress markers measurement, flow cytometry, and QPCR were used to evaluate cell viability and apoptosis. RESULTS All compounds, especially pinocembrin and galangin, enhanced cell viability in OGD-treated N2a cells. In addition, anti-oxidative enzymes were elevated and cellular Ca(2+) was reduced. They also had extreme anti-apoptosis effects by up-regulating the expression of Bcl-2 mRNA and down-regulating caspase-3 and Bax expression. Taken together, propolis had anti-oxidative effects on stress and protected cells from damage. CONCLUSION The anti-oxidative effect of propolis can be applied to daily food supplements and may benefit stroke patients.
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Affiliation(s)
- Li-Ping Sun
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiang Xu
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hau-Hsuan Hwang
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Xin Wang
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Kang-Yi Su
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan;
| | - Yi-Lin S Chen
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan;
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Freires IA, Queiroz VCPP, Furletti VF, Ikegaki M, de Alencar SM, Duarte MCT, Rosalen PL. Chemical composition and antifungal potential of Brazilian propolis against Candida spp. J Mycol Med 2016; 26:122-132. [PMID: 26916845 DOI: 10.1016/j.mycmed.2016.01.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 01/12/2016] [Accepted: 01/16/2016] [Indexed: 01/16/2023]
Abstract
Propolis is known to have biological properties against numerous microorganisms of clinical interest. This study aimed to determine the chemical composition and antifungal activity of Brazilian propolis (types 3 and 13) against Candida spp. and their effects on the morphology of preformed and mature Candida biofilms. Samples of propolis (3 and 13) collected by Apis mellifera honeybees were obtained from different regions in Brazil. Ethanolic extracts of propolis (EEP) were prepared, fractionated and submitted to chemical analysis by GC/MS. The extracts and their hexane, dichloromethane and ethyl acetate fractions were tested for their ability to inhibit Candida spp. (C. albicans, C. dubliniensis, C. glabrata, C. kruzei, C. tropicalis and C. parapsilosis) by determination of the minimum inhibitory and fungicidal concentrations (MIC/MFC). Additionally, their effects on morphology of preformed and mature biofilms were observed by scanning electron microscopy. The phenolic compounds p-coumaric acid, caffeic acid phenethyl ester (CAPE), kaempferol and quercetin were identified in the EEP-3 and its bioactive dichloromethane fraction; and isoflavonoids such as medicarpin, vestitol and formononetin were found in the EEP-13, and triterpenes in its bioactive hexane fraction. The EEP-3 and EEP-13 and their bioactive fractions showed MIC values ranging from 0.2 to 125μg/mL and MFC values between 125 and 500μg/mL. The EEP and fractions were predominantly fungistatic agents. All extracts and fractions disrupted biofilm structures at 500μg/mL and amorphous areas with cell damage were clearly observed in preformed and mature biofilms. Propolis types 3 and 13 have strong anti-Candida activity and should be considered as promising candidates to treat oral and systemic candidiasis.
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Affiliation(s)
- I A Freires
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas (UNICAMP), 13414-018 Piracicaba, SP, Brazil
| | - V C P P Queiroz
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas (UNICAMP), 13414-018 Piracicaba, SP, Brazil
| | - V F Furletti
- Research Center for Chemistry, Biology and Agriculture, University of Campinas, Campinas (UNICAMP), Box 6171, 13081-970 Campinas, SP, Brazil
| | - M Ikegaki
- Federal University of Alfenas, 37130-000 Alfenas, Minas Gerais, Brazil
| | - S M de Alencar
- Department of Agri-food Industry, Food and Nutrition, "Luiz de Queiroz" College of Agriculture, University of São Paulo (USP), 13418-900 Piracicaba, SP, Brazil
| | - M C T Duarte
- Research Center for Chemistry, Biology and Agriculture, University of Campinas, Campinas (UNICAMP), Box 6171, 13081-970 Campinas, SP, Brazil
| | - P L Rosalen
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas (UNICAMP), 13414-018 Piracicaba, SP, Brazil.
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Lopez BC, de Lourenço C, Alves D, Machado D, Lancellotti M, Sawaya A. Antimicrobial and cytotoxic activity of red propolis: an alert for its safe use. J Appl Microbiol 2015; 119:677-87. [DOI: 10.1111/jam.12874] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 05/25/2015] [Accepted: 06/09/2015] [Indexed: 01/26/2023]
Affiliation(s)
- B.G.-C. Lopez
- Bioscience and Technology of Bioactive Products Postgraduate Program; Pharmacy Course; Department of Plant Biology; Institute of Biology; State University of Campinas (UNICAMP); Campinas São Paulo Brazil
| | - C.C. de Lourenço
- Plant Biology Postgraduate Program; Department of Plant Biology; Institute of Biology - State University of Campinas (UNICAMP); Campinas São Paulo Brazil
| | - D.A. Alves
- Bioscience and Technology of Bioactive Products Postgraduate Program; Pharmacy Course; Department of Plant Biology; Institute of Biology; State University of Campinas (UNICAMP); Campinas São Paulo Brazil
- LABIOTEC - Biotechnology Laboratory; Department of Biochemistry; Institute of Biology; University of Campinas - UNICAMP; Campinas São Paulo Brazil
| | - D. Machado
- LABIOTEC - Biotechnology Laboratory; Department of Biochemistry; Institute of Biology; University of Campinas - UNICAMP; Campinas São Paulo Brazil
| | - M. Lancellotti
- Bioscience and Technology of Bioactive Products Postgraduate Program; Pharmacy Course; Department of Plant Biology; Institute of Biology; State University of Campinas (UNICAMP); Campinas São Paulo Brazil
- LABIOTEC - Biotechnology Laboratory; Department of Biochemistry; Institute of Biology; University of Campinas - UNICAMP; Campinas São Paulo Brazil
| | - A.C.H.F. Sawaya
- Bioscience and Technology of Bioactive Products Postgraduate Program; Pharmacy Course; Department of Plant Biology; Institute of Biology; State University of Campinas (UNICAMP); Campinas São Paulo Brazil
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Abstract
BACKGROUND The use of propolis mouth rinse or gel as a supplementary intervention has increased during the last decade in Taiwan. However, the effect of propolis on oral health is not well understood. PURPOSE The purpose of this meta-analysis was to present the best available evidence regarding the effects of propolis use on oral health, including oral infection, dental plaque, and stomatitis. METHODS Researchers searched seven electronic databases for relevant articles published between 1969 and 2012. Data were collected using inclusion and exclusion criteria. The Joanna Briggs Institute Meta Analysis of Statistics Assessment and Review Instrument was used to evaluate the quality of the identified articles. RESULTS Eight trials published from 1997 to 2011 with 194 participants had extractable data. The result of the meta-analysis indicated that, although propolis had an effect on reducing dental plaque, this effect was not statistically significant. The results were not statistically significant for oral infection or stomatitis. CONCLUSIONS/IMPLICATIONS FOR PRACTICE Although there are a number of promising indications, in view of the limited number and quality of studies and the variation in results among studies, this review highlights the need for additional well-designed trials to draw conclusions that are more robust.
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Hatunoğlu E, Oztürk F, Bilenler T, Aksakallı S, Simşek N. Antibacterial and mechanical properties of propolis added to glass ionomer cement. Angle Orthod 2014; 84:368-373. [PMID: 23944222 PMCID: PMC8673796 DOI: 10.2319/020413-101.1] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 06/01/2013] [Indexed: 02/18/2024] Open
Abstract
OBJECTIVE To investigate whether adding ethanolic extracts of propolis (EEP) might influence the antibacterial and mechanical (shear-peel band strength [SPBS]) properties of conventional glass ionomer cement (GIC) used in orthodontic band cementation. MATERIALS AND METHODS The cement was divided into four groups: one using the original composition and three with 10%, 25%, and 50% EEP added to the liquid and then manipulated. An antimicrobial assay, broth-dilution method was used to determine the antibacterial capacity of the GIC containing EEP. Eighty teeth were used for the mechanical assay, and an Instron testing machine was used to evaluate the SPBS. Kolmogorov-Smirnov and Kruskal-Wallis tests were used for statistical analyses. RESULTS GIC with the addition of 25% and 50% EEP activated inhibition of Streptococcus mutans (ATCC 25175) growth, but this effect did not occur in the group to which 10% EEP was added or in the control GIC group. There was no significant difference between the groups in terms of SPBS (P > .05). CONCLUSIONS The addition of EEP may increase antibacterial properties without negatively modifying the mechanical properties of conventional GIC.
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Affiliation(s)
- Erdem Hatunoğlu
- a Research Assistant, Inonu University, Faculty of Dentistry, Department of Orthodontics, Malatya, Turkey
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Wojtyczka RD, Dziedzic A, Idzik D, Kępa M, Kubina R, Kabała-Dzik A, Smoleń-Dzirba J, Stojko J, Sajewicz M, Wąsik TJ. Susceptibility of Staphylococcus aureus clinical isolates to propolis extract alone or in combination with antimicrobial drugs. Molecules 2013; 18:9623-40. [PMID: 23941882 PMCID: PMC6269688 DOI: 10.3390/molecules18089623] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Revised: 07/23/2013] [Accepted: 07/26/2013] [Indexed: 12/31/2022] Open
Abstract
The objective of this study was to assess in vitro the antimicrobial activity of ethanolic extract of Polish propolis (EEPP) against methicillin-sensitive Staphylococcus aureus (MSSA) and methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates. The combined effect of EEPP and 10 selected antistaphylococcal drugs on S. aureus clinical cultures was also investigated. EEPP composition was analyzed by a High Performance Liquid Chromatography (HPLC) method. The flavonoid compounds identified in Polish Propolis included flavones, flavonones, flavonolols, flavonols and phenolic acids. EEPP displayed varying effectiveness against twelve S. aureus strains, with minimal inhibitory concentration (MIC) within the range from 0.39 to 0.78 mg/mL, determined by broth microdilution method. The average MIC was 0.54 ± 0.22 mg/mL, while calculated MIC₅₀ and MIC₉₀ were 0.39 mg/mL and 0.78 mg/mL, respectively. The minimum bactericidal concentration (MBC) of the EEPP ranged from 0.78 to 3.13 mg/mL. The in vitro combined effect of EEPP and 10 antibacterial drugs was investigated using disk diffusion method-based assay. Addition of EEPP to cefoxitin (FOX), clindamycin (DA), tetracycline (TE), tobramycin (TOB), linezolid (LIN), trimethoprim+sulfamethoxazole (SXT), penicillin (P), erythromycin (E) regimen, yielded stronger, cumulative antimicrobial effect, against all tested S. aureus strains than EEPP and chemotherapeutics alone. In the case of ciprofloxacin (CIP) and chloramphenicol (C) no synergism with EEPP was observed.
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Affiliation(s)
- Robert D. Wojtyczka
- Department and Institute of Microbiology and Virology, School of Pharmacy and Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, ul. Jagiellońska 4, 41-200 Sosnowiec, Katowice, Poland; E-Mails: (R.D.W.); (D.I.); (M.K.); (J.S.-D.)
| | - Arkadiusz Dziedzic
- Department of Conservative Dentistry with Endodontics, Medical University of Silesia, Pl. Akademicki 17, 41-902 Bytom, Katowice, Poland; E-Mail:
| | - Danuta Idzik
- Department and Institute of Microbiology and Virology, School of Pharmacy and Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, ul. Jagiellońska 4, 41-200 Sosnowiec, Katowice, Poland; E-Mails: (R.D.W.); (D.I.); (M.K.); (J.S.-D.)
| | - Małgorzata Kępa
- Department and Institute of Microbiology and Virology, School of Pharmacy and Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, ul. Jagiellońska 4, 41-200 Sosnowiec, Katowice, Poland; E-Mails: (R.D.W.); (D.I.); (M.K.); (J.S.-D.)
| | - Robert Kubina
- Department and Institute of Pathology, Medical University of Silesia, ul. Ostrogórska 30, 41-200 Sosnowiec, Katowice, Poland; E-Mails: (R.K.); (A.K.-D.)
| | - Agata Kabała-Dzik
- Department and Institute of Pathology, Medical University of Silesia, ul. Ostrogórska 30, 41-200 Sosnowiec, Katowice, Poland; E-Mails: (R.K.); (A.K.-D.)
| | - Joanna Smoleń-Dzirba
- Department and Institute of Microbiology and Virology, School of Pharmacy and Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, ul. Jagiellońska 4, 41-200 Sosnowiec, Katowice, Poland; E-Mails: (R.D.W.); (D.I.); (M.K.); (J.S.-D.)
| | - Jerzy Stojko
- Department Bioanalysis and Environmental Studies, School of Pharmacy and Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, ul. Kasztanowa 3A, 41-200 Sosnowiec, Katowice, Poland; E-Mail:
| | - Mieczysław Sajewicz
- Institute of Chemistry, University of Silesia, ul. Szkolna 9, 40-006 Katowice, Poland; E-Mail:
| | - Tomasz J. Wąsik
- Department and Institute of Microbiology and Virology, School of Pharmacy and Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, ul. Jagiellońska 4, 41-200 Sosnowiec, Katowice, Poland; E-Mails: (R.D.W.); (D.I.); (M.K.); (J.S.-D.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +48-32-364-1620; Fax: +48-32-364-0000
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Valença I, Morais-Santos F, Miranda-Gonçalves V, Ferreira AM, Almeida-Aguiar C, Baltazar F. Portuguese propolis disturbs glycolytic metabolism of human colorectal cancer in vitro. Altern Ther Health Med 2013; 13:184. [PMID: 23870175 PMCID: PMC3725165 DOI: 10.1186/1472-6882-13-184] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 07/05/2013] [Indexed: 12/17/2022]
Abstract
BACKGROUND Propolis is a resin collected by bees from plant buds and exudates, which is further processed through the activity of bee enzymes. Propolis has been shown to possess many biological and pharmacological properties, such as antimicrobial, antioxidant, immunostimulant and antitumor activities. Due to this bioactivity profile, this resin can become an alternative, economic and safe source of natural bioactive compounds.Antitumor action has been reported in vitro and in vivo for propolis extracts or its isolated compounds; however, Portuguese propolis has been little explored. The aim of this work was to evaluate the in vitro antitumor activity of Portuguese propolis on the human colon carcinoma cell line HCT-15, assessing the effect of different fractions (hexane, chloroform and ethanol residual) of a propolis ethanol extract on cell viability, proliferation, metabolism and death. METHODS Propolis from Angra do Heroísmo (Azores) was extracted with ethanol and sequentially fractionated in solvents with increasing polarity, n-hexane and chloroform. To assess cell viability, cell proliferation and cell death, Sulforhodamine B, BrDU incorporation assay and Anexin V/Propidium iodide were used, respectively. Glycolytic metabolism was estimated using specific kits. RESULTS All propolis samples exhibited a cytotoxic effect against tumor cells, in a dose- and time-dependent way. Chloroform fraction, the most enriched in phenolic compounds, appears to be the most active, both in terms of inhibition of viability and cell death. Data also show that this cytotoxicity involves disturbance in tumor cell glycolytic metabolism, seen by a decrease in glucose consumption and lactate production. CONCLUSION Our results show that Portuguese propolis from Angra do Heroísmo (Azores) can be a potential therapeutic agent against human colorectal cancer.
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Cui K, Lu W, Zhu L, Shen X, Huang J. Caffeic acid phenethyl ester (CAPE), an active component of propolis, inhibits Helicobacter pylori peptide deformylase activity. Biochem Biophys Res Commun 2013; 435:289-94. [PMID: 23611786 DOI: 10.1016/j.bbrc.2013.04.026] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Accepted: 04/02/2013] [Indexed: 12/19/2022]
Abstract
Helicobacter pylori (H. pylori) is a major causative factor for gastrointestinal illnesses, H. pylori peptide deformylase (HpPDF) catalyzes the removal of formyl group from the N-terminus of nascent polypeptide chains, which is essential for H. pylori survival and is considered as a promising drug target for anti-H. pylori therapy. Propolis, a natural antibiotic from honeybees, is reported to have an inhibitory effect on the growth of H. pylori in vitro. In addition, previous studies suggest that the main active constituents in the propolis are phenolic compounds. Therefore, we evaluated a collection of phenolic compounds derived from propolis for enzyme inhibition against HpPDF. Our study results show that Caffeic acid phenethyl ester (CAPE), one of the main medicinal components of propolis, is a competitive inhibitor against HpPDF, with an IC50 value of 4.02 μM. Furthermore, absorption spectra and crystal structural characterization revealed that different from most well known PDF inhibitors, CAPE block the substrate entrance, preventing substrate from approaching the active site, but CAPE does not have chelate interaction with HpPDF and does not disrupt the metal-dependent catalysis. Our study provides valuable information for understanding the potential anti-H. pylori mechanism of propolis, and CAPE could be served as a lead compound for further anti-H. pylori drug discovery.
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Affiliation(s)
- Kunqiang Cui
- Shanghai Key Laboratory of New Drug Design, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China
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Emerging roles of propolis: antioxidant, cardioprotective, and antiangiogenic actions. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:175135. [PMID: 23662115 PMCID: PMC3638596 DOI: 10.1155/2013/175135] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 03/19/2013] [Accepted: 03/20/2013] [Indexed: 12/29/2022]
Abstract
Propolis has attracted attention in recent years due to its beneficial effects, which make it a potential preventive and therapeutic agent as well as a useful additive in food and cosmetics. The aim of this review is to discuss the growing evidence that propolis may, via a diverse array of biological actions, assist in the prevention of some inflammation-mediated pathologies including cardiovascular disease. The active components of propolis that have been identified so far include polyphenols and flavonoids. These compounds have cardioprotective, vasoprotective, antioxidant, antiatherosclerotic, anti-inflammatory and antiangiogenic actions. Many studies have been undertaken to elucidate the mechanism(s) by which propolis acts, which involve cellular signaling targets and interactions at the genomic level. This review will highlight the effects of propolis that may assist in the prevention of chronic degenerative diseases, such as cardiovascular disease.
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Brazilian propolis: a natural product that improved the fungicidal activity by blood phagocytes. BIOMED RESEARCH INTERNATIONAL 2012; 2013:541018. [PMID: 23509737 PMCID: PMC3591169 DOI: 10.1155/2013/541018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 10/22/2012] [Accepted: 10/22/2012] [Indexed: 12/28/2022]
Abstract
Natural product incorporation into microcarriers increases the bioavailability of these compounds, consequently improving their therapeutic properties. Natural products, particularly those from bees such as propolis, are widely used in popular medicine. Propolis is a powerful treatment for several diseases. In this context, the present study evaluated the effect of propolis Scaptotrigona sp. and its fractions, alone or adsorbed to polyethylene glycol (PEG) microspheres, on the activity of human phagocytes against Candida albicans. The results show that propolis exerts a stimulatory effect on these cells to assist in combating the fungus, especially as the crude extract is compared with the fractions. However, when incorporated into microspheres, these properties were significantly potentiated. These results suggest that propolis adsorbed onto PEG microspheres has immunostimulatory effects on phagocytes in human blood. Therefore, propolis may potentially be an additional natural product that can be used for a variety of therapies.
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Sun LP, Chen AL, Hung HC, Chien YH, Huang JS, Huang CY, Chen YW, Chen CN. Chrysin: a histone deacetylase 8 inhibitor with anticancer activity and a suitable candidate for the standardization of Chinese propolis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:11748-58. [PMID: 23134323 DOI: 10.1021/jf303261r] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Chinese propolis (CP) is a natural product collected by honeybees and a health food raw material. Previous studies have shown that CP exhibits a broad spectrum of biological activities including anticancer, antioxidant, antibacterial, anti-inflammatory, and antiviral activities. The focuses of the present study were the standardization of CP and the possible mechanisms of its active anticancer ingredients. Nine samples of CP were collected from different locations in China. Analyses of the CP samples revealed that all 9 had similar chemical compositions. Parameters analyzed included the CP extract dry weight, total phenolic content, and DPPH free radical scavenging activities. The active anticancer ingredient was isolated, characterized against human MDA-MB-231 breast cancer cells, and identified as chyrsin, a known potent anticancer compound. Chrysin is present at high levels in all 9 of the CP samples, constituting approximately 2.52% to 6.38% of the CP extracts. However, caffeic acid phenethyl ester (CAPE), another potent active ingredient is present in low levels in 9 samples of CP, constituting approximately 0.08% to 1.71% of the CP extracts. Results from analyses of enzymatic activity indicated that chrysin is a histone deacetylase inhibitor (HDACi) and that it markedly inhibited HDAC8 enzymatic activity (EC(50) = 40.2 μM). In vitro analyses demonstrated that chrysin significantly suppressed cell growth and induced differentiation in MDA-MB-231 cells. In a xenograft animal model (MDA-MB-231 cells), orally administered chrysin (90 mg/kg/day) significantly inhibited tumor growth. Despite the geographical diversity of the 9 samples' botanical origins, their chemical compositions and several analyzed parameters were similar, suggesting that CP is standardized, with chrysin being the major active ingredient. Overall, in vitro and in vivo data indicated that chrysin is an HDAC8 inhibitor, which can significantly inhibit tumor growth. Data also suggested that chrysin might represent a suitable candidate for standardization of CP.
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Affiliation(s)
- Li-Ping Sun
- Bee Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100093, China
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Abstract
Propolis (bee glue) is a resinous, sticky, dark-colored material produced by honeybees. Propolis today, due to its medicinal properties, is increasingly popular and is extensively used in food, beverages, and cosmetic products. Besides its numerous positive properties, propolis may also have adverse effects, such as, principally, allergic eczematous contact dermatitis in apiarists and in consumers with an allergic predisposition. In this study, we found appropriate conditions for removing caffeate esters, which are the main allergenic components, from raw propolis. The proposed method consists of the resuspension of propolis in a food grade solvent, followed by a biotransformation based on the cinnamoyl esterase activity of Lactobacillus helveticus. We showed that the reduction of caffeate esters by L. helveticus did not affect the content of flavonoids, which are the main bioactive molecules of propolis. Furthermore, we verified that the biotransformation of propolis did not cause a loss of antimicrobial activity. Finally, we demonstrated that the ability of L. helveticus to hydrolyze caffeate esters in propolis is strain specific. In conclusion, the proposed strategy is simple, employs food grade materials, and is effective in selectively removing allergenic molecules without affecting the bioactive fraction of propolis. This is the first study demonstrating that the allergenic caffeate esters of propolis can be eliminated by means of a bacterial biotransformation procedure.
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Li F, He YM, Awale S, Kadota S, Tezuka Y. Two new cytotoxic phenylallylflavanones from Mexican propolis. Chem Pharm Bull (Tokyo) 2012; 59:1194-6. [PMID: 21881271 DOI: 10.1248/cpb.59.1194] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Two new phenylallylflavanones, (2R,3R)-6-[1-(4'-hydroxy-3'-methoxyphenyl)prop-2-en-1-yl]pinobanksin (1) and (2R,3R)-6-[1-(4'-hydroxy-3'-methoxyphenyl)prop-2-en-1-yl]pinobanksin 3-acetate (2) were isolated from a methanolic extract of Mexican propolis. Their structures were elucidated with spectroscopic analysis. Both compounds (1, 2) exhibited preferential cytotoxic activity against PANC-1 human pancreatic cancer cells in a nutrient-deprived medium with the concentration at which 50% cells died preferentially in NDM (PC₅₀) values of 17.9 μM and 9.1 μM, respectively.
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Affiliation(s)
- Feng Li
- Institute of Natural Medicine, University of Toyama, Japan
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29
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Ngatu NR, Saruta T, Hirota R, Eitoku M, Muzembo BA, Matsui T, Nangana LS, Mbenza MA, Kumagai N, Suganuma N. Antifungal efficacy of Brazilian green propolis extracts and honey on Tinea capitis and Tinea versicolor. Eur J Integr Med 2011. [DOI: 10.1016/j.eujim.2011.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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30
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Bioassay-guided isolation and identification of antifungal components from propolis against Penicillium italicum. Food Chem 2011. [DOI: 10.1016/j.foodchem.2010.12.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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31
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Valente MJ, Baltazar AF, Henrique R, Estevinho L, Carvalho M. Biological activities of Portuguese propolis: protection against free radical-induced erythrocyte damage and inhibition of human renal cancer cell growth in vitro. Food Chem Toxicol 2010; 49:86-92. [PMID: 20934479 DOI: 10.1016/j.fct.2010.10.001] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Revised: 09/25/2010] [Accepted: 10/02/2010] [Indexed: 01/02/2023]
Abstract
This study reports for the first time the biological properties of Portuguese propolis. The antioxidant potential of propolis samples from Bornes (Northeast) and Fundão (Centre) regions of Portugal was evaluated by their ability to inhibit the 2,2'-azobis(2-amidinopropane) dihydrochloride (AAPH)-induced oxidative hemolysis and lipid peroxidation in human erythrocytes. Bornes and Fundão propolis strongly protected the erythrocyte membrane from hemolysis (IC(50) of 6.3±0.7 and 10.4±2.7 μg/ml, respectively), in a time- and concentration-dependent manner. This effect was found to be significantly higher than that presented by ascorbic acid (IC(50) of 31.0±5.6 μg/ml). In addition, human erythrocytes treated with propolis extracts showed concentration-dependent decrease in levels of malondialdehyde, a breakdown product of lipid peroxidation. Propolis extracts were also assayed for their anticancer properties on human renal cell carcinoma (RCC). Primary cultures of normal and cancerous renal cells derived from RCC patients, in addition to A-498 cell line, were treated with propolis extracts (0-100 μg/ml). Cytotoxic and antiproliferative effects were determined by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Propolis extracts exhibited selective toxicity against malignant cells compared to normal cells. In vitro RCC growth was strongly inhibited by Bornes and Fundão propolis in a concentration-dependent manner. Our results indicate that Portuguese propolis constitutes an excellent source of effective natural antioxidant and chemopreventive agents.
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Affiliation(s)
- Maria J Valente
- REQUIMTE, Toxicology Department, Faculty of Pharmacy, University of Porto, Porto, Portugal
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33
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Kouidhi B, Zmantar T, Bakhrouf A. Anti-cariogenic and anti-biofilms activity of Tunisian propolis extract and its potential protective effect against cancer cells proliferation. Anaerobe 2010; 16:566-71. [PMID: 20934525 DOI: 10.1016/j.anaerobe.2010.09.005] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2010] [Revised: 08/26/2010] [Accepted: 09/28/2010] [Indexed: 11/17/2022]
Abstract
Propolis is a multifunctional substance used by bees to maintain the safety of their hives. It is worldwide used for its potential therapeutic effects. In this study, Tunisian propolis ethanol extract (EEP) was tested for their anti-cariogenic, anti-biofilms and antiproliferative effects of many cell lines. The Tunisian EEP was evaluated in vitro against 33 oral pathogens including streptococci and enterococci using broth microdilution method. The anti-biofilms activity of EEP was assessed via Crystal Violet staining and MTT assays. The Tunisian EEP antiproliferative effect was evaluated on normal (MRC-5) and cancer cell lines (HT-29, A549, Hep-2, raw 264.7, Vero) by the ability of the cells to metabolically reduce MTT to a formazan dye. Our results revealed that Tunisian EEP possessed excellent protective effects against cariogenic and biofilms activity of oral streptococci. Furthermore, EEP showed a strong antiproliferative potencies against all studied cancer cell lines as judged by IC50 and its value ranges from 15.7 ± 3.4 to 200 ± 22.2 μg mL⁻¹. These results suggest that EEP is able to inhibit cancer cell proliferation, cariogenic bacteria and oral biofilms formation. It could have a promising role in the future medicine and nutrition when used as antibiotic or food additive.
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Affiliation(s)
- Bochra Kouidhi
- Traitement et Valorisation des Polluants de l'Environnement et des Produits, Monastir, Tunisia.
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34
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Phytomedicines for Candida-associated denture stomatitis. Fitoterapia 2010; 81:323-8. [DOI: 10.1016/j.fitote.2009.12.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2009] [Revised: 12/01/2009] [Accepted: 12/03/2009] [Indexed: 11/22/2022]
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35
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Li F, Awale S, Tezuka Y, Esumi H, Kadota S. Study on the constituents of Mexican propolis and their cytotoxic activity against PANC-1 human pancreatic cancer cells. JOURNAL OF NATURAL PRODUCTS 2010; 73:623-627. [PMID: 20307087 DOI: 10.1021/np900772m] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Three new flavonoids, (2R,3R)-3,5-dihydroxy-7-methoxyflavanone 3-(2-methyl)butyrate (1), (7''R)-8-[1-(4'-hydroxy-3'-methoxyphenyl)prop-2-en-1-yl]chrysin (2), and (7''R)-8-[1-(4'-hydroxy-3'-methoxyphenyl)prop-2-en-1-yl]galangin (3), together with 41 known compounds (4-44) were isolated from a methanolic extract of Mexican propolis. Compounds 2 and 3 are unique natural flavones containing a 1-phenylallyl moiety. The in vitro preferential cytotoxicity of all the isolates was evaluated against a PANC-1 human pancreatic cell line. Compound 3 displayed the most potent preferential cytotoxicity (PC(50) 4.6 microM) in the nutrient-deprived medium (NDM) and triggered apoptosis-like morphological changes in PANC-1 cells.
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Affiliation(s)
- Feng Li
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan
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36
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Synergistic activities of three triazoles with caspofungin against Candida glabrata isolates determined by time-kill, Etest, and disk diffusion methods. Antimicrob Agents Chemother 2010; 54:2244-7. [PMID: 20194697 DOI: 10.1128/aac.01527-09] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Combinations of voriconazole, fluconazole, and itraconazole with caspofungin were evaluated against 50 Candida glabrata isolates by the time-kill, disk diffusion, and Etest methods. The majority of antifungal combinations were indifferent. By the time-kill method, synergistic activity was detected with eight (16%) of the caspofungin-voriconazole and seven (14%) of the caspofungin-fluconazole combinations, but synergy was not seen with the caspofungin-itraconazole combination. Further comparisons of the Etest and disk diffusion synergy techniques with the time-kill method are warranted.
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37
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Li F, Awale S, Zhang H, Tezuka Y, Esumi H, Kadota S. Chemical constituents of propolis from Myanmar and their preferential cytotoxicity against a human pancreatic cancer cell line. JOURNAL OF NATURAL PRODUCTS 2009; 72:1283-7. [PMID: 19572611 DOI: 10.1021/np9002433] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
A methanolic extract of propolis obtained in Myanmar was found to inhibit PANC-1 human pancreatic cancer cells preferentially under nutrient-deprived conditions (NDM), with a PC(50) value of 9.3 microg/mL. Bioactivity-guided fractionation of the extract led to the isolation of two new cycloartane-type triterpenes, (22Z,24E)-3-oxocycloart-22,24-dien-26-oic acid (1) and (24E)-3-oxo-27,28-dihydroxycycloart-24-en-26-oic acid (2), together with 13 cycloartanes (3-13) and four known prenylated flavanones (14-17). Among these, compound 1 exhibited the most potent preferential cytotoxicity (PC(50) 4.3 microM) in a concentration- and time-dependent manner. Furthermore, 1 induced apoptosis-like morphological changes of PANC-1 cells within 24 h of treatment.
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Affiliation(s)
- Feng Li
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan
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38
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Sha N, Guan SH, Lu ZQ, Chen GT, Huang HL, Xie FB, Yue QX, Liu X, Guo DA. Cytotoxic constituents of chinese propolis. JOURNAL OF NATURAL PRODUCTS 2009; 72:799-801. [PMID: 19278239 DOI: 10.1021/np900118z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
A pair of new flavanol racemates (1a and 1b) and a new flavanol racemic mixture (2) were isolated from crude propolis from Henan Province, People's Republic of China. Also obtained were nine known compounds, including two flavones, four flavonols, two flavanols, and isoferulic acid. Spectroscopic analysis was employed to assign the structures of these new compounds and the absolute configurations of 1a and 1b. Cytotoxicity of the isolated compounds against the HeLa human cervical carcinoma cancer cell line was evaluated, with only compounds 1a, 1b, 2, and rhamnetin (3) being active.
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Affiliation(s)
- Na Sha
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhangjiang, Shanghai, People's Republic of China
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39
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Seidel V, Peyfoon E, Watson DG, Fearnley J. Comparative study of the antibacterial activity of propolis from different geographical and climatic zones. Phytother Res 2008; 22:1256-63. [DOI: 10.1002/ptr.2480] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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40
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Abstract
In this study, an attempt was made to elucidate the combined effect of thymol analogues with propolis on fungi that are involved in human diseases. Antifungal activity of thymol analogues was examined by the agar dilution method, using antibiotic medium-3-enriched with 0.2% dextrose. The activity of thymol analogues against Penicillium rastrickii appeared to be more marked than against Candida albicans and Saccharomyces cerevisiae. Various thymol analogues and propolis, when tested alone, did not exhibit significant inhibitory activity. However, in the presence of sub-inhibitory concentrations of propolis, the relative antifungal potency of the thymol analogues was greatly enhanced. Natural thymol was found to be superior to the synthetic thymol analogues. In particular, the MIC of thymol was considerably reduced (191-fold) against Candida albicans by combination with propolis. This study highlights the potential of the combination of either thymol or synthetic thymol analogues with propolis to inhibit fungi.
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Affiliation(s)
- Chi-Pien Chen
- Department of Pharmacy, Tajen University, Pingtung, Taiwan
| | - Ai-Yu Shen
- Basic Medical Science Education Center, Fooyin University, Ta-Liao, Kaohsiung County, Taiwan
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41
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Gardana C, Scaglianti M, Pietta P, Simonetti P. Analysis of the polyphenolic fraction of propolis from different sources by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2007; 45:390-9. [PMID: 17935924 DOI: 10.1016/j.jpba.2007.06.022] [Citation(s) in RCA: 156] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2007] [Revised: 06/20/2007] [Accepted: 06/27/2007] [Indexed: 10/23/2022]
Abstract
A reverse phase LC-DAD-MS method for quantification of phenolic acids and flavonoids in propolis raw materials was developed. The propolis samples from different geographical areas were extracted with ethanol for 2h at 70 degrees C and the resulting solutions analyzed on a 5 microm C18 symmetry 250 mm x 4.6mm column. The separation was performed by means of a linear gradient elution and DAD and MS data were acquired in the 200-450 nm and 100-1000 Da range, respectively. The identity of most of the compounds was assessed by comparing their chromatographic and UV behaviour with that of authentic standards. When the standards were not available, the identity was achieved by means of chromatographic and on-line UV data combined with mass spectrometry. European, Chinese and Argentinean propolis are characterized by the presence of phenolic acids and flavonoids and the most abundant were chrysin (2-4%), pinocembrin (2-4%), pinobanksin-acetate (1.6-3%) and galangin (1-2%). Some Brazilian propolis contains mainly artepillin C, different caffeoyl quinic acids and some flavonoids. When considering the total flavonoid content as quality index, we suggest that propolis with a content less than 11% should be considered of low quality, whereas propolis with a content of 11-14%, 14-17% or >17% should be classified as propolis of acceptable, good and high quality, respectively. The reported LC-DAD-MS analysis method may be applied for the phytochemical screening of raw propolis and its commercial formulations.
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Affiliation(s)
- Claudio Gardana
- Department of Food Science and Microbiology, Division of Human Nutrition, University of Milan, Via Celoria 2, 20133 Milan, Italy
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42
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Breger J, Fuchs BB, Aperis G, Moy TI, Ausubel FM, Mylonakis E. Antifungal chemical compounds identified using a C. elegans pathogenicity assay. PLoS Pathog 2007; 3:e18. [PMID: 17274686 PMCID: PMC1790726 DOI: 10.1371/journal.ppat.0030018] [Citation(s) in RCA: 253] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2006] [Accepted: 12/27/2006] [Indexed: 11/18/2022] Open
Abstract
There is an urgent need for the development of new antifungal agents. A facile in vivo model that evaluates libraries of chemical compounds could solve some of the main obstacles in current antifungal discovery. We show that Candida albicans, as well as other Candida species, are ingested by Caenorhabditis elegans and establish a persistent lethal infection in the C. elegans intestinal track. Importantly, key components of Candida pathogenesis in mammals, such as filament formation, are also involved in nematode killing. We devised a Candida-mediated C. elegans assay that allows high-throughput in vivo screening of chemical libraries for antifungal activities, while synchronously screening against toxic compounds. The assay is performed in liquid media using standard 96-well plate technology and allows the study of C. albicans in non-planktonic form. A screen of 1,266 compounds with known pharmaceutical activities identified 15 (approximately 1.2%) that prolonged survival of C. albicans-infected nematodes and inhibited in vivo filamentation of C. albicans. Two compounds identified in the screen, caffeic acid phenethyl ester, a major active component of honeybee propolis, and the fluoroquinolone agent enoxacin exhibited antifungal activity in a murine model of candidiasis. The whole-animal C. elegans assay may help to study the molecular basis of C. albicans pathogenesis and identify antifungal compounds that most likely would not be identified by in vitro screens that target fungal growth. Compounds identified in the screen that affect the virulence of Candida in vivo can potentially be used as "probe compounds" and may have antifungal activity against other fungi.
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Affiliation(s)
- Julia Breger
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | - Beth Burgwyn Fuchs
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | - George Aperis
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, United States of America
| | - Terence I Moy
- Department of Molecular Biology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Frederick M Ausubel
- Department of Molecular Biology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Eleftherios Mylonakis
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, United States of America
- * To whom correspondence should be addressed. E-mail:
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Gardana C, Simonetti P, Berti C, Pietta P. Evaluation of propolis polyphenols absorption in humans by liquid chromatography/tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2007; 21:3849-3854. [PMID: 17979105 DOI: 10.1002/rcm.3285] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Propolis has various biological activities such as antibacterial, antiviral, antioxidant, immunostimulating and antiinflammatory, which are generally ascribed to the polyphenolic fraction. The aim of this study was to evaluate the absorption of the main polyphenols [caffeic acid (CA), pinobanksin-5methyl ether (P-5ME), pinobanksin (Pb), chrysin (C), pinocembrin (P), galangin (G), pinobanksin-3-acetate, pinobanksin esters and caffeic acid phenylethyl ester (CAPE)] from a dewaxed and standardized extract of propolis (EPID). Fifteen healthy volunteers consumed 5 mL EPID in water, corresponding to 125 mg of flavonoids. Blood samples were collected before, each hour for 8 h and 24 h after EPID intake. After deconjugation by beta-glucuronidase/sulfatase the plasma samples were analyzed by a selective liquid chromatography/tandem mass spectrometry (LC/MS/MS) method using morin as internal standard (I.S.). A kinetic profile characterized by two t(max), respectively at 1 h and about 5 h post-ingestion, was observed in all the subjects. The two peaks may be due to enterohepatic cycling. Among the various polyphenols ingested, only P-5ME, Pb, C, P and G were detected in plasma and C(max)t(1h) were 65.7 +/- 13.3, 46.5 +/- 12.7, 79.5 +/- 18.6, 168.1 +/- 16.3 and 113.7 +/- 16.8 ng/mL, respectively. These levels decreased significantly after 8 h and were no longer detectable 24 h after EPID intake. The recovery of the extraction for CA, Pb, C, P, G and I.S. from spiked plasma was 95.2 +/- 3.1, 93.1 +/- 3.6, 91 +/- 2.5, 96.4 +/- 4.2, 93.4 +/- 2.4 and 85.5 +/- 2.4%, respectively. The results of this study evidence that flavonoids from EPID are absorbed, metabolized and Pb-5ME and G seem to have apparent absorption, measured as (AUC/dose), higher than C, P and Pb.
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Affiliation(s)
- Claudio Gardana
- Department of Food Science and Microbiology, Division of Human Nutrition, University of Milan, Via Celoria 2-20133 Milan, Italy.
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44
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Gabrys J, Konecki J, Krol W, Scheller S, Shani J. Free amino acids in bee hive product (propolis) as identified and quantified by gas-liquid chromatography. Bioorg Med Chem 1986; 16:5434-40. [PMID: 3749241 DOI: 10.1016/j.bmc.2008.04.016] [Citation(s) in RCA: 107] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Accepted: 04/08/2008] [Indexed: 01/08/2023]
Abstract
Propolis is a natural resinous product collected by honey bees and containing, among other biochemical constituents, a variety of free amino acids. Acid extraction and quantification of these amino acids by gas-liquid chromatography reveals that their total concentration in this honey bee product is over 40% w/w, and that arginine and proline constitutes over 50% of the crude acid extract. As propolis was shown to stimulate mammalian tissue regeneration, we suggest that the physiological significance of arginine in the propolis product lies in its ability to stimulate mitosis and to enhance protein biosynthesis, and that the biochemical importance of proline in it, stems from its capability to promote build-up of collagen and elastin, two essential components in the matrix of connective tissues.
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