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https://www.readbyqxmd.com/read/28915591/eugenol-alleviated-breast-precancerous-lesions-through-her2-pi3k-akt-pathway-induced-cell-apoptosis-and-s-phase-arrest
#1
Min Ma, Yi Ma, Gui-Juan Zhang, Rui Liao, Xue-Feng Jiang, Xian-Xin Yan, Feng-Jie Bie, Xiao-Bo Li, Yan-Hong Lv
Eugenol can be separated from the oil extract of clove bud, and has many pharmacological functions such as anticancer and transdermal absorption. HER2/PI3K-AKT is a key signaling pathway in the development of breast cancer. In this study, 80 μM eugenol could significantly inhibit the proliferation of HER-2 positive MCF-10AT cells and the inhibition rate was up to 32.8%, but had no obvious inhibitory effect on MCF-7 and MCF-10A cells with HER2 weak expression. Eugenol also significantly induced human breast precancerous lesion MCF-10AT cell apoptosis and cell cycle S-phase arrest, but the biological effects nearly disappeared after HER2 over-expression through transfecting pcDNA3...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28889028/development-and-in-vitro-in-vivo-performance-of-self-nanoemulsifying-drug-delivery-systems-loaded-with-candesartan-cilexetil
#2
Khaled AboulFotouh, Ayat A Allam, Mahmoud El-Badry, Ahmed M El-Sayed
Candesartan cilexetil is widely used in the management of hypertension and heart failure. The drug delivery encounters obstacles of poor aqueous solubility, efflux by intestinal P-glycoprotein and vulnerability to enzymatic degradation in small intestine. Self-nanoemulsifying drug delivery systems (SNEDDS) loaded with candesartan cilexetil were successfully developed to overcome such obstacles. Preliminary screening was carried out to select proper surfactant, co-surfactant and oil combination for successful SNEDDS formulation...
September 6, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28874207/evaluation-of-active-ingredients-and-larvicidal-activity-of-clove-and-cinnamon-essential-oils-against-anopheles-gambiae-sensu-lato
#3
Adelina Thomas, Humphrey D Mazigo, Alphaxard Manjurano, Domenica Morona, Eliningaya J Kweka
BACKGROUND: Mosquitoes are well-known vectors of many diseases including malaria and lymphatic filariasis. Uses of synthetic insecticides are associated with high toxicity, resistance, environmental pollution and limited alternative, effective synthetic insecticides. This study was undertaken to evaluate the larvicidal efficacy of clove and cinnamon essential oils against laboratory Anopheles gambiae (sensu stricto) and wild An. arabiensis larvae. METHODS: The standard WHO guideline for larvicides evaluation was used, and the GC-MS machine was used for active compounds percentage composition analysis and structures identification...
September 6, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28867749/nanoemulsion-a-suitable-nanodelivery-system-of-clove-oil-for-anesthetizing-nile-tilapia
#4
Kantaporn Kheawfu, Surachai Pikulkaew, Wasana Chaisri, Siriporn Okonogi
Clove oil ethanolic solution (CL-EtOH) have always been used for fish anesthesia. However, ethanol causes major side effect of fish hypersensivity. In this study, clove oil loaded nanoemulsion (CLN) was developed in order to enhance water miscibility of clove oil without using ethanol in the preparations. The obtained CLN was characterized in terms of droplet size, size distribution expressed as polydispersity index (PDI), and zeta potential. The anesthetic effect of CLN in comparison with CL-EtOH on Oreochromis niloticus (Nile tilapia) was investigated...
2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28863895/polylactide-graphene-oxide-nanosheets-clove-essential-oil-composite-films-for-potential-food-packaging-applications
#5
Yasir Ali Arfat, Jasim Ahmed, Mohammed Ejaz, Mehrajfatimah Mullah
Antimicrobial nanopackaging films were developed by incorporating clove essential oil (CLO) (15-30% w/w) and graphene oxide (GO) nanosheets (1% w/w) into polylactide (PLA), suitable for use as food packaging, via solution casting. Addition of CLO into PLA matrix improved the flexibility of the composite films by lowering tensile stress, complex viscosity (η*), and glass transition temperature (Tg). GO improved the Tg, η* and lowered the oxygen permeability of the plasticized PLA matrix. Optical and anti-UV properties of the film were influenced by both GO and CLO incorporation...
August 29, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28852438/effect-of-eugenol-on-lithium-pilocarpine-model-of-epilepsy-behavioral-histological-and-molecular-changes
#6
Sara Joushi, Mahmoud Elahdadi Salmani
OBJECTIVES: Epilepsy establishment gives rise to biochemical and morphological changes in the hippocampus. Oxidative stress, morphological changes, and mossy fiber sprouting (MFS) in the hippocampus underpin the epilepsy establishment. Eugenol is the main component of the essential oil extracted from cloves with the potential to modulate neuronal excitability. Therefore, we investigated the effect of eugenol on convulsive behavior, oxidative stress, and histological changes of the hippocampus in lithium-pilocarpine model of epilepsy...
July 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28833280/acaricidal-activity-of-essential-oil-of-syzygium-aromaticum-hydrolate-and-eugenol-formulated-or-free-on-larvae-and-engorged-females-of-rhipicephalus-microplus
#7
F M Ferreira, C C Delmonte, T L P Novato, C M O Monteiro, E Daemon, F M P Vilela, M P H Amaral
The cattle tick, Rhipicephalus microplus (Canestrini, 1888) (Ixodida: Ixodidae), is the most important ectoparasite in cattle-breeding areas and is responsible for severe economic losses. Synthetic acaricides have been used to control this parasite. However, the need for safer products has stimulated the search for new acaricides, such as those to be obtained from medicinal plants. The essential oil of Syzygium aromaticum (clove) has many biological properties and shows great potential for use in veterinary applications...
August 18, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28832721/development-and-evaluation-of-an-inhalation-chamber-for-in-vivo-tests
#8
Eduardo R DA Silva, Humberto R Bizzo, Patrícia D Fernandes, Valdir F DA Veiga, Suzana G Leitão, Danilo R DE Oliveira
The bioavailability, toxicity, and therapeutic efficacy of a drug is directly related to its administration route. The pulmonary route can be accessed by inhalation after fumigation, vaporization or nebulization. Thus, pharmacological and toxicological evaluation accessed by an apparatus specifically designed and validated for this type of administration is extremely important. Based on pre-existing models, an inhalation chamber was developed. This presents a central structure with five animal holders. The nebulized air passes directly and continuously through these holders and subsequently to an outlet...
August 17, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28823093/candida-albicans-staphylococcus-aureus-dual-species-biofilm-as-a-target-for-the-combination-of-essential-oils-and-fluconazole-or-mupirocin
#9
Aleksandra Budzyńska, Sylwia Różalska, Beata Sadowska, Barbara Różalska
The effectiveness of essential oils (EOs), fluconazole (FLU) and mupirocin (MUP) used alone or in combination against mono-species and mixed Candida albicans/Staphylococcus aureus biofilms was examined. An experimentally established dual-species biofilm model, verified by fluorescence microscopy and viable cell counting, was used. Selected commercial EOs were tested: geranium, citronella and clove oils, which have been chemically characterized and found to differ in the content of the main components (qualitative and quantitative)...
August 19, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28818729/characterization-of-citrus-pectin-films-integrated-with-clove-bud-essential-oil-physical-thermal-barrier-antioxidant-and-antibacterial-properties
#10
Tanzeela Nisar, Zi-Chao Wang, Xi Yang, You Tian, Muneeb Iqbal, Yurong Guo
The increasing demand for bio-based materials to be used in food packaging has stimulated the development of novel, environmentally-friendly edible films. Antimicrobial films were developed by incorporating different levels of clove bud essential oil (0.5%, 1.0%, and 1.5%) into the citrus pectin in order to modify the functional properties of the films. Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry analysis (DSC) and X-ray diffraction (XRD) were performed, together with the determination of physical, optical, mechanical, antioxidant and antimicrobial properties of pectin emulsified films...
August 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28811611/the-antibacterial-and-antifungal-activity-of-six-essential-oils-and-their-cyto-genotoxicity-to-human-hel-12469-cells
#11
Andrea Puškárová, Mária Bučková, Lucia Kraková, Domenico Pangallo, Katarína Kozics
Six essential oils (from oregano, thyme, clove, lavender, clary sage, and arborvitae) exhibited different antibacterial and antifungal properties. Antimicrobial activity was shown against pathogenic (Escherichia coli, Salmonella typhimurium, Yersinia enterocolitica, Staphylococcus aureus, Listeria monocytogenes, and Enterococcus faecalis) and environmental bacteria (Bacillus cereus, Arthrobacter protophormiae, Pseudomonas fragi) and fungi (Chaetomium globosum, Penicillium chrysogenum, Cladosporium cladosporoides, Alternaria alternata, and Aspergillus fumigatus)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28805256/effects-of-euthanasia-methods-on-stable-carbon-%C3%AE-13-c-value-and-nitrogen-%C3%AE-15-n-value-isotopic-composition-of-fry-and-juvenile-rainbow-trout-oncorhynchus-mykiss
#12
Sarah Nahon, Sarah Séité, Joanna Kolasinski, Pierre Aguirre, Inge Geurden
RATIONALE: Carbon and nitrogen stable isotope analyses of fish tissues are now commonly used in ecological studies but mostly require the sacrifice of the animal. Ethical considerations recommend the use of anesthetics for tissue sampling. This study examines how anesthetics affect stable isotope ratios of fish compared with other euthanasia methods. METHODS: Rainbow trout fry and juveniles were sacrificed using ice-freezing (as this common method used to kill fish does not affect natural isotopic ratios), electronarcosis or an overdose of chemical anesthetics (2-phenoxyethanol, benzocaine and clove oil)...
August 14, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28772407/comparative-analysis-of-the-composition-and-active-property-evaluation-of-certain-essential-oils-to-assess-their-potential-applications-in-active-food-packaging
#13
Cornelia Vasile, Morten Sivertsvik, Amalia Carmen Miteluţ, Mihai Adrian Brebu, Elena Stoleru, Jan Thomas Rosnes, Elisabeta Elena Tănase, Waqas Khan, Daniela Pamfil, Călina Petruţa Cornea, Anamaria Irimia, Mona Elena Popa
The antifungal, antibacterial, and antioxidant activity of four commercial essential oils (EOs) (thyme, clove, rosemary, and tea tree) from Romanian production were studied in order to assess them as bioactive compounds for active food packaging applications. The chemical composition of the oils was determined with the Folin-Ciocâlteu method and gas chromatography coupled with mass spectrometry and flame ionization detectors, and it was found that they respect the AFNOR/ISO standard limits. The EOs were tested against three food spoilage fungi-Fusarium graminearum, Penicillium corylophilum, and Aspergillus brasiliensis-and three potential pathogenic food bacteria-Staphylococcus aureus, Escherichia coli, and Listeria monocytogenes-using the disc diffusion method...
January 7, 2017: Materials
https://www.readbyqxmd.com/read/28748336/continuous-release-of-oregano-oil-effectively-and-safely-controls-varroa-destructor-infestations-in-honey-bee-colonies-in-a-northern-climate
#14
Qodratollah Sabahi, Hanan Gashout, Paul G Kelly, Ernesto Guzman-Novoa
The ectoparasitic mite Varroa destructor is responsible for the death of millions of honey bee (Apis mellifera) colonies worldwide. Testing potential miticide compounds with different delivery methods that effectively control V. destructor and have low toxicity for honey bees is crucial to manage this parasite in hives. We determined the varroacide efficacy of three natural compounds delivered to hives with three application methods over a 4-week period. Oxalic acid in a sucrose solution was applied impregnated in cardboard (T1)...
July 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28720975/active-starch-biopolymeric-packaging-film-for-sausages-embedded-with-essential-oil-of-syzygium-aromaticum
#15
Mariane L Ugalde, Aline M de Cezaro, Felipe Vedovatto, Natalia Paroul, Juliana Steffens, Eunice Valduga, Geciane T Backes, Elton Franceschi, Rogério L Cansian
Starch polymer matrices were developed with the incorporation of 1% clove essential oil (EO) (Syzygium aromaticum) aiming for use as active packaging for sausages. At the concentration of 1% EO in the polymer matrix, it showed exponential behavior with respect to oil release over 30 days, with faster release in the beginning and a tendency towards a reduction in release velocity over time. The presence of OE in the biofilm led to significant differences versus the control in terms of aroma and flavor parameters...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28698512/eco-friendly-acaricidal-effects-of-nylon-66-nanofibers-via-grafted-clove-bud-oil-loaded-capsules-on-house-dust-mites
#16
Joo Ran Kim, Seong Hun Kim
Acaricidal nylon 66 fabrics (AN66Fs) grafted with clove oil-loaded microcapsules (COMCs) were developed against Dermatophagoides farina (D. gallinae). The average diameter was about 2.9 µm with a range of 100 nm-8.5 µm. COMCs carried clove oil loading of about 65 vol %. COMCs were chemically grafted to electrospun nylon nanofibers by the chemical reactions between -OH groups of COMCs and -COOH end groups of nylon fabrics to form ester linkages. AN66Fs had an effect on D. farinae depending on COMCs loadings...
July 10, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28683217/combination-of-antimicrobials-and-essential-oils-as-an-alternative-for-the-control-of-salmonella-enterica-multiresistant-strains-related-to-foodborne-disease
#17
Ana Lucía Solarte, Rafael Jesús Astorga, Fabiana Aguiar, Ángela Galán-Relaño, Alfonso Maldonado, Belén Huerta
Due to the increase in bacterial resistance to antimicrobials (AMBs) commonly used in veterinary and human medicine, the new strategies for controlling zoonoses focus on the study of natural products with demonstrated AMB activity, such as essential oils (EOs). The aim of this study was to evaluate the in vitro effect of the combination of enrofloxacin (ENR), ceftiofur (CEF), and trimethoprim-sulfamethoxazole (SXT) with cinnamon, clove, oregano, and red thyme EOs against multiple drug-resistant strains of Salmonella enterica...
July 6, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28672824/myrtaceae-plant-essential-oils-and-their-%C3%AE-triketone-components-as-insecticides-against-drosophila-suzukii
#18
Chung Gyoo Park, Miyeon Jang, Eunsik Shin, Junheon Kim
Spotted wing drosophila (SWD, Drosophila suzukii (Matsumura), Diptera: Drosophilidae) is recognized as an economically important pest in North America and Europe as well as in Asia. Assessments were made for fumigant and contact toxicities of six Myrtaceae plant essential oils (EOs) and their components to find new alternative types of insecticides active against SWD. Among the EOs tested, Leptospermum citratum EO, consisting mainly of geranial and neral, exhibited effective fumigant activity. Median lethal dose (LD50; mg/L) values of L...
June 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28663695/in-vitro-evaluation-of-the-effects-of-some-plant-essential-oils-on-ascosphaera-apis-the-causative-agent-of-chalkbrood-disease
#19
Mohammad Javed Ansari, Ahmad Al-Ghamdi, Salma Usmani, Khalid Ali Khan, Abdulaziz S Alqarni, Manpreet Kaur, Noori Al-Waili
Ascosphaera apis is one of the major fungal pathogens of honey bee broods and the causative agent of Chalkbrood disease. The factors responsible for the pathogenesis of Chalkbrood disease are still not fully understood, and the increasing resistance of A. apis to commonly used antifungal agents necessitates a search for new agents to control this disease. The in vitro antifungal activities of 27 plant essential oils against two isolates of A. apis (Aksu-4 and Aksu-9) were evaluated. Out of the 27 plant essential oils tested, 21 were found to be effective in killing both isolates of A...
July 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28663694/the-effects-of-clove-oil-on-the-enzyme-activity-of-varroa-destructor-anderson-and-trueman-arachnida-acari-varroidae
#20
Li Li, Zhe-Guang Lin, Shuai Wang, Xiao-Ling Su, Hong-Ri Gong, Hong-Liang Li, Fu-Liang Hu, Huo-Qing Zheng
Varroa destructor, a key biotic threat to the Western honey bee, has played a major role in colony losses over the past few years worldwide. Overuse of traditional acaricides, such as tau-fluvalinate and flumethrin, on V. destructor has only increased its tolerance to them. Therefore, the application of essential oils in place of traditional pesticides is an attractive alternative, as demonstrated by its high efficiency, lack of residue and tolerance resistance. To study the acaricidal activity of essential oils, we used clove oil (Syzygium aromaticum L...
July 2017: Saudi Journal of Biological Sciences
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