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https://www.readbyqxmd.com/read/29620488/behavior-of-11-foodborne-bacteria-on-whole-and-cut-mangoes-var-ataulfo-and-kent-and-antibacterial-activities-of-hibiscus-sabdariffa-extracts-and-chemical-sanitizers-directly-onto-mangoes-contaminated-with-foodborne-bacteria
#1
Esmeralda Rangel-Vargas, Anais M Luna-Rojo, Arturo Cadena-Ramírez, Refugio Torres-Vitela, Carlos A Gómez-Aldapa, Angélica Villarruel-López, Alejandro Téllez-Jurado, José R Villagómez-Ibarra, Rosalía Reynoso-Camacho, Javier Castro-Rosas
The behavior of foodborne bacteria on whole and cut mangoes and the antibacterial effect of Hibiscus sabdariffa calyx extracts and chemical sanitizers against foodborne bacteria on contaminated mangoes were investigated. Mangoes var. Ataulfo and Kent were used in the study. Mangoes were inoculated with Listeria monocytogenes, Shigella flexneri, Salmonella Typhimurium, Salmonella Typhi, Salmonella Montevideo, Escherichia coli strains (O157:H7, non-O157:H7 Shiga toxin-producing, enteropathogenic, enterotoxigenic, enteroinvasive, and enteroaggregative)...
April 5, 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29597091/a-review-on-phytochemistry-and-therapeutic-uses-of-hibiscus-sabdariffa-l
#2
REVIEW
Ghazala Riaz, Rajni Chopra
Hibiscus sabdariffa L. (roselle) belonging to the Malvaceae family is widely grown in many countries. This plant is often used in the traditional medicine being rich in phytochemicals like polyphenols especially anthocyanins, polysaccharides and organic acids thus having enormous prospective in modern therapeutic uses. The study aimed to review and document all the available evidence and information about the calyces of Hibiscus sabdariffa (roselle) with the special focus on their nutritional composition, bioactive constituents and therapeutic uses...
March 26, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29563334/allele-specific-differences-in-transcriptome-mirnome-and-mitochondrial-function-in-two-hypertrophic-cardiomyopathy-mouse-models
#3
Styliani Vakrou, Ryuya Fukunaga, D Brian Foster, Lars Sorensen, Yamin Liu, Yufan Guan, Kirubel Woldemichael, Roberto Pineda-Reyes, Ting Liu, Jill C Tardiff, Leslie A Leinwand, Carlo G Tocchetti, Theodore P Abraham, Brian O'Rourke, Miguel A Aon, M Roselle Abraham
Hypertrophic cardiomyopathy (HCM) stems from mutations in sarcomeric proteins that elicit distinct biophysical sequelae, which in turn may yield radically different intracellular signaling and molecular pathologic profiles. These signaling events remain largely unaddressed by clinical trials that have selected patients based on clinical HCM diagnosis, irrespective of genotype. In this study, we determined how two mouse models of HCM differ, with respect to cellular/mitochondrial function and molecular biosignatures, at an early stage of disease...
March 22, 2018: JCI Insight
https://www.readbyqxmd.com/read/29551511/isolation-and-characterization-of-nanocrystalline-cellulose-from-roselle-derived-microcrystalline-cellulose
#4
Lau Kia Kian, Mohammad Jawaid, Hidayah Ariffin, Zoheb Karim
Roselle fiber is a renewable and sustainable agricultural waste enriched with cellulose polysaccharides. The isolation of Nanocrystalline cellulose (NCC) from roselle-derived microcrystalline cellulose (MCC) is an alternative approach to recover the agricultural roselle plant residue. In the present study, acid hydrolysis with different reaction time was carried out to degrade the roselle-derived MCC to form NCC. The characterizations of isolated NCC were conducted through Fourier Transform Infrared Ray (FTIR), Transmission Electron Microscopy (TEM), Field Emission Scanning Electron Microscopy (FESEM), Atomic Force Microscopy (AFM), Dynamic Light Scattering (DLS), Energy Dispersive Spectroscopy (EDS), X-ray Diffraction (XRD), Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC)...
March 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29523666/adherence-to-the-world-cancer-research-fund-american-institute-for-cancer-research-guideline-is-associated-with-better-health-related-quality-of-life-among-chinese-patients-with-breast-cancer
#5
Yuan-Yuan Lei, Suzanne C Ho, Ashley Cheng, Carol Kwok, Chi-Kiu Iris Lee, Ka Li Cheung, Roselle Lee, Herbert H F Loong, Yi-Qian He, Winnie Yeo
Background: The 2007 World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) guideline provides recommendations for cancer prevention among cancer survivors. Limited data have examined whether guideline adherence is related to health-related quality of life (HRQoL) among Chinese patients with breast cancer. Methods: An ongoing prospective cohort study involving 1,462 Chinese women with early-stage breast cancer assessed exercise, diet, and body mass index (BMI) at baseline and at 18-months follow-up after diagnosis...
March 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29520378/cardiosphere-derived-cells-demonstrate-metabolic-flexibility-that-is-influenced-by-adhesion-status
#6
Junaid Afzal, Angel Chan, Mehmet Fatih Karakas, Kirubel Woldemichael, Styliani Vakrou, Yufan Guan, Jeffrey Rathmell, Richard Wahl, Martin Pomper, D Brian Foster, Miguel A Aon, Benjamin Tsui, Brian O'Rourke, M Roselle Abraham
Adult stem cells demonstrate metabolic flexibility that is regulated by cell adhesion status. The authors demonstrate that adherent cells primarily utilize glycolysis, whereas suspended cells rely on oxidative phosphorylation for their ATP needs. Akt phosphorylation transduces adhesion-mediated regulation of energy metabolism, by regulating translocation of glucose transporters (GLUT1) to the cell membrane and thus, cellular glucose uptake and glycolysis. Cell dissociation, a pre-requisite for cell transplantation, leads to energetic stress, which is mediated by Akt dephosphorylation, downregulation of glucose uptake, and glycolysis...
October 2017: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/29518971/dietary-plants-for-the-prevention-and-management-of-kidney-stones-preclinical-and-clinical-evidence-and-molecular-mechanisms
#7
REVIEW
Mina Cheraghi Nirumand, Marziyeh Hajialyani, Roja Rahimi, Mohammad Hosein Farzaei, Stéphane Zingue, Seyed Mohammad Nabavi, Anupam Bishayee
Kidney stones are one of the oldest known and common diseases in the urinary tract system. Various human studies have suggested that diets with a higher intake of vegetables and fruits play a role in the prevention of kidney stones. In this review, we have provided an overview of these dietary plants, their main chemical constituents, and their possible mechanisms of action. Camellia sinensis (green tea), Rubus idaeus (raspberry), Rubia cordifolia (common madder), Petroselinum crispum (parsley), Punica granatum (pomegranate), Pistacia lentiscus (mastic), Solanum xanthocarpum (yellow-fruit nightshade), Urtica dioica (stinging nettle), Dolichos biflorus ( horse gram ), Ammi visnaga (khella), Nigella sativa (black-cumin), Hibiscus sabdariffa (roselle), and Origanum vulgare (oregano) have received considerable interest based on scientific evidence...
March 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29478967/clinical-outcomes-in-patients-with-nonobstructive-labile-and-obstructive-hypertrophic-cardiomyopathy
#8
Dai-Yin Lu, Iraklis Pozios, Bereketeab Haileselassie, Ioannis Ventoulis, Hongyun Liu, Lars L Sorensen, Marco Canepa, Susan Phillip, M Roselle Abraham, Theodore P Abraham
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is a common inherited cardiac disease characterized by varying degrees of left ventricular outflow tract obstruction. In a large cohort, we compare the outcomes among 3 different hemodynamic groups. METHODS AND RESULTS: We prospectively enrolled patients fulfilling standard diagnostic criteria for HCM from January 2005 to June 2015. Detailed phenotypic characterization, including peak left ventricular outflow tract pressure gradients at rest and after provocation, was measured by echocardiography...
February 25, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29477891/green-synthesis-of-zero-valent-fe-nanoparticles-catalytic-degradation-of-rhodamine-b-interactions-with-bovine-serum-albumin-and-their-enhanced-antimicrobial-activities
#9
Zaheer Khan, Shaeel Ahmad Al-Thabaiti
Biomimetic method was used for the synthesis of Fe-nanoparticles (FeNPs). FeCl3 and Hibiscus sabdariffa, Roselle flower aqueous extract (HBS) were employed in the present studies. The FeNPs have been characterized by using UV-visible spectroscopy, transmission electron microscope (TEM), and energy dispersion X-ray spectroscopy (EDS). The average particles diameter was found to be 18 nm. The as prepared FeNPs were used as a catalyst to the oxidative degradation of rhodamine B (RB) in presence of NaBH4 . The effects of various quencher on the degradation rates were examined by employing ammonium oxalate (AO), benzoquinone (BQ), isopropyl alcohol (IPA), and potassium iodide (KI)...
February 16, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29454643/proprioceptive-stimuli-and-habit-formation-interresponse-time-mediated-behavior-in-cd-1-mice
#10
J Mark Cleaveland, Anna Roselle, Delaney K Fischer
The consolidation of behavioral sequences into relatively ballistic habits is thought to involve the formation of stimulus - response associations. Typically, the stimuli in these associations are assumed to be exteroceptive, i.e., external to the organism. However, responses, themselves, also possess stimulus properties that can mediate behavior. Indeed, these "proprioceptive cues" have long been hypothesized to underlie habit formation (Hull, 1934a, 1934b). One such stimulus involves the time durations between responses - a stimulus termed interresponse time (IRT)...
February 15, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29439462/physicochemical-properties-and-oxidative-storage-stability-of-milled-roselle-hibiscus-sabdariffa-l-seeds
#11
Nurul Hanisah Juhari, Mikael Agerlin Petersen
Milled Roselle ( Hibiscus sabdariffa L.) seeds of the UMKL cultivar were analyzed for proximate composition, water and oil absorption capacity, and the influence of storage conditions on storage stability. The storage stability was determined under four types of conditions: light/oxygen (air) (LO), light/nitrogen (LN), darkness/oxygen (air) (DO), and darkness/nitrogen (DN) while monitoring for seven consecutive months. During the storage period, the formation of volatiles was determined using dynamic headspace sampling and Gas Chromatography-Mass Spectrometry (GC-MS) analysis...
February 11, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29426649/rest-and-stress-longitudinal-systolic-left-ventricular-mechanics-in-hypertrophic-cardiomyopathy-implications-for-prognostication
#12
Iraklis Pozios, Aurelio Pinheiro, Celia Corona-Villalobos, Lars L Sorensen, Zeina Dardari, Hong-Yun Liu, Kenneth Cresswell, Susan Phillip, David A Bluemke, Stefan L Zimmerman, M Roselle Abraham, Theodore P Abraham
BACKGROUND: Exercise intolerance is the most common symptom in hypertrophic cardiomyopathy (HCM). We examined whether inability to augment myocardial mechanics during exercise would influence functional performance and clinical outcomes in HCM. METHODS: Ninety-five HCM patients (32 nonobstructive, 32 labile-obstructive, 31 obstructive) and 26 controls of similar age and gender distribution were recruited prospectively. They underwent rest and treadmill stress strain echocardiography, and 61 of them underwent magnetic resonance imaging...
February 6, 2018: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29423907/correction-to-comparison-of-two-software-systems-for-quantification-of-myocardial-blood-flow-in-patients-with-hypertrophic-cardiomyopathy
#13
Hulya Yalcin, Ines Valenta, Min Zhao, Abdel Tahari, Dai-Yin Lu, Takahiro Higuchi, Fatih Yalcin, Nagehan Kucukler, Yalda Soleimanifard, Yun Zhou, Martin G Pomper, Theodore P Abraham, Ben Tsui, Martin A Lodge, Thomas H Schindler, M Roselle Abraham
The following information is missing from the Funding footnote on the first page of the published article: "This study was partly funded by NIH RO1 HL092985." The last/corresponding author is incorrectly listed on the first page of the published article: The correct name is Abraham MR.
February 8, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29412917/comparative-analysis-of-hibiscus-sabdariffa-roselle-hot-and-cold-extracts-in-respect-to-their-potential-for-%C3%AE-glucosidase-inhibition
#14
Dalia M Rasheed, Andrea Porzel, Andrei Frolov, Hesham R El Seedi, Ludger A Wessjohann, Mohamed A Farag
Roselle (Hibiscus sabdariffa) is a functional food with potential health benefits, consumed either as hot or cold beverage. To ensure quality control of its various products, accurate measurement of active metabolites is warranted. Herein, we propose a combination of ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS) and nuclear magnetic resonance (NMR) analytical platforms for the untargeted characterization of metabolites in two roselle cultivars, Aswan and Sudan-1. The analyses revealed 33 metabolites, including sugars, flavonoids, anthocyanins, phenolic and aliphatic organic acids...
June 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29371602/ampk-activation-counteracts-cardiac-hypertrophy-by-reducing-o-glcnacylation
#15
Roselle Gélinas, Florence Mailleux, Justine Dontaine, Laurent Bultot, Bénédicte Demeulder, Audrey Ginion, Evangelos P Daskalopoulos, Hrag Esfahani, Emilie Dubois-Deruy, Benjamin Lauzier, Chantal Gauthier, Aaron K Olson, Bertrand Bouchard, Christine Des Rosiers, Benoit Viollet, Kei Sakamoto, Jean-Luc Balligand, Jean-Louis Vanoverschelde, Christophe Beauloye, Sandrine Horman, Luc Bertrand
AMP-activated protein kinase (AMPK) has been shown to inhibit cardiac hypertrophy. Here, we show that submaximal AMPK activation blocks cardiomyocyte hypertrophy without affecting downstream targets previously suggested to be involved, such as p70 ribosomal S6 protein kinase, calcineurin/nuclear factor of activated T cells (NFAT) and extracellular signal-regulated kinases. Instead, cardiomyocyte hypertrophy is accompanied by increased protein O-GlcNAcylation, which is reversed by AMPK activation. Decreasing O-GlcNAcylation by inhibitors of the glutamine:fructose-6-phosphate aminotransferase (GFAT), blocks cardiomyocyte hypertrophy, mimicking AMPK activation...
January 25, 2018: Nature Communications
https://www.readbyqxmd.com/read/29359273/comparison-of-two-software-systems-for-quantification-of-myocardial-blood-flow-in-patients-with-hypertrophic-cardiomyopathy
#16
Hulya Yalcin, Ines Valenta, Min Zhao, Abdel Tahari, Dai-Yin Lu, Takahiro Higuchi, Fatih Yalcin, Nagehan Kucukler, Yalda Soleimanifard, Yun Zhou, Martin G Pomper, Theodore P Abraham, Ben Tsui, Martin A Lodge, Thomas H Schindler, M Roselle Abraham
BACKGORUND: Quantification of myocardial blood flow (MBF) by positron emission tomography (PET) is important for investigation of angina in hypertrophic cardiomyopathy (HCM). Several software programs exist for MBF quantification, but they have been mostly evaluated in patients (with normal cardiac geometry), referred for evaluation of coronary artery disease (CAD). Software performance has not been evaluated in HCM patients who frequently have hyperdynamic LV function, LV outflow tract (LVOT) obstruction, small LV cavity size, and variation in the degree/location of LV hypertrophy...
January 22, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29357486/evolution-of-ventricular-hypertrophy-and-myocardial-mechanics-in-physiologic-and-pathologic-hypertrophy
#17
Fatih Yalcin, Nagehan Kucukler, Oscar H Cingolani, Blaid Mbiyangandu, Lars Sorensen, Aurelio Pinherio, Roselle Abraham, Theodore P Abraham
LEFT VENTRICULAR HYPERTROPHY (LVH) is an adaptive response to physiologic or pathologic stimuli and distinguishing between the two has obvious clinical implications. However, asymmetric septal hypertrophy and preserved cardiac function are noted in early stages in both cases. We characterized the early anatomic and functional changes in a mouse model of physiologic and pathologic stress using serial echocardiography-based morphometry and tissue velocity imaging. Weight-matched CF-1 male mice were separated into CONTROLS (n=10), treadmill EXERCISE 1 hour daily x 5 days/week (n=7) and transverse aortic constriction (TAC, n=7)...
January 4, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29352824/evaluating-the-effect-of-a-clostridium-difficile-infection-prevention-initiative-in-veterans-health-administration-long-term-care-facilities
#18
Maninder B Singh, Martin E Evans, Loretta A Simbartl, Stephen M Kralovic, Gary A Roselle
We evaluated rates of clinically confirmed long-term-care facility-onset Clostridium difficile infections from April 2014 through December 2016 in 132 Veterans Affairs facilities after the implementation of a prevention initiative. The quarterly pooled rate decreased 36.1% from the baseline (P<.0009 for trend) by the end of the analysis period. Infect Control Hosp Epidemiol 2018;39:343-345.
March 2018: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29344101/healthcare-associated-legionnaires-disease-limitations-of-surveillance-definitions-and-importance-of-epidemiologic-investigation
#19
Laila M Castellino, Shantini D Gamage, Patti V Hoffman, Stephen M Kralovic, Mark Holodniy, Jack M Bernstein, Gary A Roselle
Healthcare-associated Legionnaires' disease (HCA LD) causes significant morbidity and mortality, with varying guidance on prevention. We describe the evaluation of a case of possible HCA LD and note the pitfalls of relying solely on an epidemiologic definition for association of a case with a facility. Our detailed investigation led to the identification of a new Legionella pneumophila serogroup 1 sequence type, confirmed a healthcare association and helped build the framework for our ongoing preventive efforts...
November 2017: Journal of Infection Prevention
https://www.readbyqxmd.com/read/29320233/antibacterial-activities-of-hibiscus-sabdariffa-extracts-and-chemical-sanitizers-directly-on-green-leaves-contaminated-with-foodborne-pathogens
#20
Carlos A Gómez-Aldapa, Esmeralda Rangel-Vargas, Ma Refugio Torres-Vitela, Angélica Villarruel-López, Otilio A Acevedo-Sandoval, Alberto J Gordillo-Martínez, Angélica Godínez-Oviedo, Javier Castro-Rosas
Leafy greens have been associated with foodborne disease outbreaks in different countries. To decrease microbial contamination of leafy greens, chemical agents are commonly used; however, a number of studies have shown these agents to have limited antimicrobial effect against pathogenic bacteria on vegetables. The objective of this study was to compare the antibacterial effect of Hibiscus sabdariffa calyx extracts (water, methanol, acetone, and ethyl acetate), sodium hypochlorite, acetic acid, and colloidal silver against foodborne bacteria on leafy greens...
February 2018: Journal of Food Protection
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