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https://www.readbyqxmd.com/read/28549291/antidiabetogenic-efficiency-of-menthol-improves-glucose-homeostasis-and-attenuates-pancreatic-%C3%AE-cell-apoptosis-in-streptozotocin-nicotinamide-induced-experimental-rats-through-ameliorating-glucose-metabolic-enzymes
#1
Udaiyar Muruganathan, Subramani Srinivasan, Veerasamy Vinothkumar
The phytochemical, menthol, has been reported to play many beneficial roles. However, under diabetic conditions, there is no detail mechanism of its beneficial action in the glucose homeostasis. The present study, we investigated to explore the role of menthol, on the glucose metabolic enzymes and pancreatic islet cell apoptosis of streptozotocin-nicotinamide (STZ-NA) induced diabetes in rats. Diabetes was induced by single intraperitoneal (i.p.) injection of STZ (50mg/kg/b.w.) and NA (110mg/kg/b.w.). Diabetic rats were treated with different dose of menthol (25, 50, and 100mg/kg/b...
May 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28549156/early-subjective-sensory-experiences-with-cigalike-e-cigarettes-among-african-american-menthol-smokers-a-qualitative-study
#2
Sabrina L Smiley, Teresa DeAtley, Leslie F Rubin, Emily Harvey, Elexis C Kierstead, Monica Webb Hooper, Raymond S Niaura, David B Abrams, Jennifer L Pearson
Introduction: Despite smoker interest in e-cigarettes as a harm reduction or cessation aid, many smokers prematurely discontinue vaping after trying a product. This study explored the role of early subjective sensory experience in vaping persistence and desistence. Methods: African American menthol cigarette smokers aged ≥18 years (n=15; M=54.1 years; SD=8.2), motivated to quit smoking, and interested in trying e-cigarettes were recruited in Washington, D.C. Participants were followed for three weeks and provided menthol cigalike e-cigarettes after week one...
May 26, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28546949/properties-of-macerated-herbal-oil
#3
Fahsai Kantawong, Supawatchara Singhatong, Aomjai Srilamay, Kantarose Boonyuen, Niroot Mooti, Phenphichar Wanachantararak, Thasaneeya Kuboki
Introduction: The addition of herbs into hot sesame oil could increase the oil-pulling efficiency of sesame oil. The aim of present study was to modify the proportion of herbs and sesame oil with the addition of other ingredients including menthol, camphor, and borneol and improve the medicinal properties and the scent of the oil. Methods: Macerated herbal oil was prepared by heat extraction of five species of herbs (Zingiber cassumunar, Zingiber zerumbet, Plantago major Linn, Citrus hystrix, and Amomum biflorum) with hot sesame oil...
2017: BioImpacts: BI
https://www.readbyqxmd.com/read/28524111/synthesis-and-pharmacological-properties-of-novel-esters-based-on-monoterpenoids-and-glycine
#4
Mariia Nesterkina, Iryna Kravchenko
Esters based on mono- and bicyclic terpenoids with glycine have been synthesized via Steglich esterification and characterized by ¹H-NMR, IR, and mass spectral studies. Their analgesic and anti-inflammatory activities were investigated after transdermal delivery on models of formalin, capsaicin, and AITC-induced pain, respectively. Glycine esters of menthol and borneol exhibited higher antinociceptive action, whereas eugenol derivative significantly suppressed the development of the inflammatory process. The mechanism of competitive binding between terpenoid esters and TRPA1/TRPV1 agonists was proposed explaining significant analgesic effect of synthesized derivatives...
May 18, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28514868/phytochemical-composition-and-in-vitro-screening-of-the-antimicrobial-activity-of-essential-oils-on-oral-pathogenic-bacteria
#5
Roberta Tardugno, Federica Pellati, Ramona Iseppi, Moreno Bondi, Giacomo Bruzzesi, Stefania Benvenuti
In this study, the activity of essential oils (EOs) against microorganisms involved in oral diseases was evaluated. Fourteen EOs were selected and subjected to gas chromatographic analysis, including Illicium verum, Eucaliptus globulus, Eugenia caryophyllata, Leptospermum scoparium, Mentha arvensis, Mentha piperita, Myrtus communis, Salvia officinalis, Melaleuca alternifolia, Rosmarinus officinalis, Lavandula x intermedia, Thymus capitatus and Thymus vulgaris. These EOs were tested for their antimicrobial activity on Streptococcus mutans and Lactobacillus species clinically isolated from dental surgery patients...
May 17, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28509873/leishmanicidal-activity-and-structure-activity-relationships-of-essential-oil-constituents
#6
Audrey R S T Silva, Ricardo Scher, Flaviane V Santos, Sebastião R Ferreira, Sócrates C H Cavalcanti, Cristiane B Correa, Lilian L Bueno, Ricardo J Alves, Damião P Souza, Ricardo T Fujiwara, Silvio S Dolabella
Several constituents of essential oils have been shown to be active against pathogens such as bacteria, fungi, and protozoa. This study demonstrated the in vitro action of ten compounds present in essential oils against Leishmania amazonensis promastigotes. With the exception of p-cymene, all evaluated compounds presented leishmanicidal activity, exhibiting IC50 between 25.4 and 568.1 μg mL(-1). Compounds with the best leishmanicidal activity presented a phenolic moiety (IC50 between 25.4 and 82.9 μg mL(-1))...
May 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28508114/oral-l-menthol-reduces-thermal-sensation-increases-work-rate-and-extends-time-to-exhaustion-in-the-heat-at-a-fixed-rating-of-perceived-exertion
#7
T R Flood, M Waldron, O Jeffries
PURPOSE: The study investigated the effect of a non-thermal cooling agent, L-menthol, on exercise at a fixed subjective rating of perceived exertion (RPE) in a hot environment. METHOD: Eight male participants completed two trials at an exercise intensity between 'hard' and 'very hard', equating to 16 on the RPE scale at ~35 °C. Participants were instructed to continually adjust their power output to maintain an RPE of 16 throughout the exercise trial, stopping once power output had fallen by 30%...
May 15, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28496992/flavored-little-cigar-smoke-induces-cytotoxicity-and-apoptosis-in-airway-epithelia
#8
Arunava Ghosh, Rachel C Nethery, Amy H Herring, Robert Tarran
Addition of flavors reduces the harsh taste of tobacco, facilitating the initiation and maintenance of addiction among youths. Flavored cigarettes (except menthol) are now banned. However, the legislation on little cigars remains unclear and flavored little cigars are currently available for purchase. Since inhaled tobacco smoke directly exerts toxic effects on the lungs, we tested whether non-flavored and flavored little cigar smoke exposure had the potential for harm in cultured pulmonary epithelia. We cultured Calu-3 lung epithelia on both 96-well plates and at the air-liquid interface and exposed them to smoke from non-flavored Swisher Sweets and flavored (sweet cherry, grape, menthol, peach and strawberry) Swisher Sweets little cigars...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28496415/inflammatory-effects-of-menthol-vs-non-menthol-cigarette-smoke-extract-on-human-lung-epithelial-cells-a-double-hit-on-trpm8-by-reactive-oxygen-species-and-menthol
#9
An-Hsuan Lin, Meng-Han Liu, Hsin-Kuo B Ko, Diahn-Warng Perng, Tzong-Shyuan Lee, Yu Ru Kou
Clinical studies suggest that smokers with chronic obstructive pulmonary disease who use menthol cigarettes may display more severe lung inflammation than those who smoke non-menthol cigarette. However, the mechanisms for this difference remain unclear. Menthol is a ligand of transient receptor potential melastatin-8 (TRPM8), a Ca(2+)-permeant channel sensitive to reactive oxygen species (ROS). We previously reported that exposure of human bronchial epithelial cells (HBECs) to non-menthol cigarette smoke extract (Non-M-CSE) triggers a cascade of inflammatory signaling leading to IL-8 induction...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28493744/does-menthol-cigarette-use-moderate-the-effect-of-nicotine-metabolism-on-short-term-smoking-cessation
#10
Nancy C Jao, Anna K Veluz-Wilkins, Matthew J Smith, Allison J Carroll, Sonja Blazekovic, Frank T Leone, Rachel F Tyndale, Robert A Schnoll, Brian Hitsman
The nicotine metabolite ratio (NMR) has been shown to predict response to the transdermal nicotine patch, such that faster nicotine metabolism is associated with a lower abstinence rate. Menthol cigarette use, versus nonmenthol cigarette use, slows nicotine metabolism and therefore may attenuate the effect of NMR on smoking abstinence. In this study, we evaluated whether cigarette type (menthol vs. nonmenthol) modified the association between NMR and short-term abstinence. This was a secondary analysis examining treatment in the first 8 weeks of 21 mg/day nicotine patch therapy in a completed clinical trial (n = 474)...
June 2017: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28491944/data-on-cardiovascular-and-pulmonary-diseases-among-smokers-of-menthol-and-non-menthol-cigarettes-compiled-from-the-national-health-and-nutrition-examination-survey-nhanes-1999-2012
#11
Cynthia Van Landingham, William Fuller, Greg Mariano, Kristin Marano, Geoffrey Curtin, Sandra I Sulsky
This Data in Brief contains results from three different survey logistic regression models comparing risks of self-reported diagnoses of cardiovascular and pulmonary diseases among smokers of menthol and non-menthol cigarettes. Analyses employ data from National Health and Nutrition Examination Survey (NHANES) cycles administered between 1999 and 2012, combined and in subsets. Raw data may be downloaded from the National Center for Health Statistics. Results were not much affected by which covariates were included in the models, but depended strongly on the NHANES cycles included in the analysis...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28489336/antimicrobial-activity-of-natural-products-against-clostridium-difficile-in-vitro
#12
Niloufar Roshan, Thomas V Riley, Katherine A Hammer
AIMS: To investigate the antimicrobial activity of various natural products against C. difficile in vitro. METHODS AND RESULTS: The antibacterial activity of 20 natural products was determined by the agar well diffusion and broth microdilution assays against four C. difficile strains, three comparator organisms and four gastrointestinal commensal organisms. Of the raw natural products, garlic juice had the highest activity. The most active processed products were peppermint oil and the four pure compounds trans-cinnamaldehyde, allicin, menthol and zingerone...
May 10, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28483509/nitric-oxide-in-the-nucleus-of-the-tractus-solitarius-is-involved-in-hypoglycemic-conditioned-response
#13
Beatriz A Alvarado, Mónica Lemus, Sergio Montero, Valery Melnikov, Sonia Luquín, Joaquín García-Estrada, Elena Roces de Álvarez-Buylla
The repeated injection of insulin (unconditioned stimulus, UCS) immediately followed by exposure to sensory stimulation (e.g. sound or odor; conditioned stimulus, CS) results in a learned conditioned reflex in which the exposure to the CS alone lowers blood glucose. The brain regions participating in this hypoglycemic Pavlovian response remain unknown. Here we investigate if nitric oxide (NO) in the nucleus tractus solitarius (NTS), a nucleus known to be involved in glucose homeostasis, participates in this hypoglycemic reflex...
May 5, 2017: Brain Research
https://www.readbyqxmd.com/read/28449666/nicotine-aerosol-particles-carbonyls-and-volatile-organic-compounds-in-tobacco-and-menthol-flavored-e-cigarettes
#14
Mi-Sun Lee, Ryan F LeBouf, Youn-Suk Son, Petros Koutrakis, David C Christiani
BACKGROUND: We aimed to assess the content of electronic cigarette (EC) emissions for five groups of potentially toxic compounds that are known to be present in tobacco smoke: nicotine, particles, carbonyls, volatile organic compounds (VOCs), and trace elements by flavor and puffing time. METHODS: We used ECs containing a common nicotine strength (1.8%) and the most popular flavors, tobacco and menthol. An automatic multiple smoking machine was used to generate EC aerosols under controlled conditions...
April 27, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28438551/development-of-a-buccal-doxepin-platform-for-pain-in-oral-mucositis-derived-from-head-and-neck-cancer-treatment
#15
Roser Sanz, Ana C Calpena, Mireia Mallandrich, Álvaro Gimeno, Lyda Halbaut, Beatriz Clares
This study describes the development of semisolid formulations containing doxepin (DOX) for pain relief in oral mucositis, frequently related to chemotherapy and/or radiotherapy treatments in patients with head and neck cancer. Chemical permeation enhancers were evaluated and selected according to the results obtained from rheological studies, drug release, permeation and retention through buccal mucosa. Finally, the selected formulation was compared in vivo, with a reference DOX mouthwash, whose clinical efficacy had been previously reported...
April 21, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28436443/curcumol-allosterically-modulates-gaba-a-receptors-in-a-manner-distinct-from-benzodiazepines
#16
Yan-Mei Liu, Hui-Ran Fan, Jing Ding, Chen Huang, Shining Deng, Tailin Zhu, Tian-Le Xu, Wei-Hong Ge, Wei-Guang Li, Fei Li
Inhibitory A type γ-aminobutyric acid receptors (GABAARs) play a pivotal role in orchestrating various brain functions and represent an important molecular target in neurological and psychiatric diseases, necessitating the need for the discovery and development of novel modulators. Here, we show that a natural compound curcumol, acts as an allosteric enhancer of GABAARs in a manner distinct from benzodiazepines. Curcumol markedly facilitated GABA-activated currents and shifted the GABA concentration-response curve to the left in cultured hippocampal neurons...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431915/synergistic-anticandidal-activity-of-menthol-in-combination-with-itraconazole-and-nystatin-against-clinical-candida-glabrata-and-candida-krusei-isolates
#17
Aghil Sharifzadeh, Ali Reza Khosravi, Hojjatollah Shokri, Paria Samadi Tari
BACKGROUND: Candida glabrata (C. glabrata) and C. krusei are now emerging as serious hospital acquired infections in immunocompromised patients. Menthol, a terpenic compound, has been reported to have antifungal activity. OBJECTIVES: The aim of this study was to investigate the effect of menthol in combination with itraconazole or nystatin against C. glabrata and C. krusei isolates. METHODS: The effects of menthol along with itraconazole and nystatin, were evaluated by the Clinical Laboratory Standards Institute (CLSI) M44-A and CLSI M27-A3 methods...
April 19, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28426156/natural-terpene-derivatives-as-new-structural-task-specific-ionic-liquids-to-enhance-the-enantiorecognition-of-acidic-enantiomers-on-teicoplanin-based-stationary-phase-by-high-performance-liquid-chromatography
#18
Jolanta Flieger, Joanna Feder-Kubis, Małgorzata Tatarczak-Michalewska, Anita Płazińska, Anna Madejska, Marta Swatko-Ossor
We present the specific cooperative effect of a semisynthetic glycopeptide antibiotic teicoplanin and chiral ionic liquids containing the (1R,2S,5R)-(-)-menthol moiety on the chiral recognition of enantiomers of mandelic acid, vanilmandelic acid and phenyllactic acid. Experiments were performed chromatographically on an Astec Chirobiotic T chiral stationary phase applying the mobile phase with the addition of the chiral ionic liquids. The stereoselective binding of enantiomers to teicoplanin in presence of new chiral ionic liquids were evaluated applying thermodynamic measurements and the docking simulations...
April 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28416581/trp-channels-in-brown-and-white-adipogenesis-from-human-progenitors-new-therapeutic-targets-and-the-caveats-associated-with-the-common-antibiotic-streptomycin
#19
Anna Goralczyk, Marc van Vijven, Mathilde Koch, Cedric Badowski, M Shabeer Yassin, Sue-Anne Toh, Asim Shabbir, Alfredo Franco-Obregón, Michael Raghunath
Transient receptor potential (TRP) channels are polymodal cell sensors responding to diverse stimuli and widely implicated in the developmental programs of numerous tissues. The evidence for an involvement of TRP family members in adipogenesis, however, is scant. We present the first comprehensive expression profile of all known 27 human TRP genes in mesenchymal progenitors cells during white or brown adipogenesis. Using positive trilineage differentiation as an exclusion criterion, TRP polycystic (P)3, and TPR melastatin (M)8 were found to be uniquely adipospecific...
April 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28401925/menthol-enhances-nicotine-reward-related-behavior-by-potentiating-nicotine-induced-changes-in-nachr-function-nachr-upregulation-and-da-neuron-excitability
#20
Brandon J Henderson, Teagan R Wall, Beverley M Henley, Charlene H Kim, Sheri McKinney, Henry A Lester
Understanding why the quit rate among smokers of menthol cigarettes is lower than non-menthol smokers requires identifying the neurons that are altered by nicotine, menthol, and acetylcholine. Dopaminergic (DA) neurons in the ventral tegmental area (VTA) mediate the positive reinforcing effects of nicotine. Using mouse models, we show that menthol enhances nicotine-induced changes in nicotinic acetylcholine receptors (nAChRs) expressed on midbrain DA neurons. Menthol plus nicotine upregulates nAChR number and function on midbrain DA neurons more than nicotine alone...
April 12, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
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