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https://www.readbyqxmd.com/read/27906174/therapeutic-advantage-of-pro-electrophilic-drugs-to-activate-the-nrf2-are-pathway-in-alzheimer-s-disease-models
#1
Stuart A Lipton, Tayebeh Rezaie, Anthony Nutter, Kevin M Lopez, James Parker, Kunio Kosaka, Takumi Satoh, Scott R McKercher, Eliezer Masliah, Nobuki Nakanishi
Alzheimer's disease (AD) is characterized by synaptic and neuronal loss, which occurs at least partially through oxidative stress induced by oligomeric amyloid-β (Aβ)-peptide. Carnosic acid (CA), a chemical found in rosemary and sage, is a pro-electrophilic compound that is converted to its active form by oxidative stress. The active form stimulates the Keap1/Nrf2 transcriptional pathway and thus production of phase 2 antioxidant enzymes. We used both in vitro and in vivo models. For in vitro studies, we evaluated protective effects of CA on primary neurons exposed to oligomeric Aβ...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27904769/disruption-of-actin-filaments-and-suppression-of-pancreatic-cancer-cell-viability-and-migration-following-treatment-with-polyisoprenylated-cysteinyl-amides
#2
Augustine T Nkembo, Olufisayo Salako, Rosemary A Poku, Felix Amissah, Elizabeth Ntantie, Hernan Flores-Rozas, Nazarius S Lamango
Pancreatic cancer is characterized by K-Ras mutations in over 90% of the cases. The mutations make the tumors aggressive and resistant to current therapies resulting in very poor prognoses. Valiant efforts to drug mutant K-Ras and related proteins for the treatment of cancers with Ras mutations have been elusive. The need thus persists for therapies to target and suppress the hyperactive K-Ras mutant proteins to normal levels of activity. Polyisoprenylated cysteinyl amide inhibitors (PCAIs) of polyisoprenylated methylated protein methyl esterase (PMPMEase) were designed to disrupt polyisoprenylated protein metabolism and/or functions...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27903876/handicap-principle-implies-emergence-of-dimorphic-ornaments
#3
Sara M Clifton, Rosemary I Braun, Daniel M Abrams
Species spanning the animal kingdom have evolved extravagant and costly ornaments to attract mating partners. Zahavi's handicap principle offers an elegant explanation for this: ornaments signal individual quality, and must be costly to ensure honest signalling, making mate selection more efficient. Here, we incorporate the assumptions of the handicap principle into a mathematical model and show that they are sufficient to explain the heretofore puzzling observation of bimodally distributed ornament sizes in a variety of species...
November 30, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27903150/addressing-the-role-of-obesity-in-endometrial-cancer-risk-prevention-and-treatment
#4
Michaela A Onstad, Rosemarie E Schmandt, Karen H Lu
In sharp contrast to many other cancer types, the incidence and mortality of endometrial cancer continue to grow. This unfortunate trend is, in no small part, a result of the worldwide obesity epidemic. More than half of endometrial cancers are currently attributable to obesity, which is recognized as an independent risk factor for this disease. In this review, we identify the molecular mechanisms by which obesity and adipose tissue contribute to the pathogenesis of endometrial cancer. We further discuss the impact of obesity on the clinical management of the disease and examine the development of rational behavioral and pharmaceutical interventions aimed at reducing endometrial cancer risk, improving cancer outcomes, and preserving fertility in an increasingly younger population of patients with endometrial cancer...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27902706/a-qualitative-study-of-medical-oncologists-experiences-of-their-profession-and-workforce-sustainability
#5
Alex Broom, W K Tim Wong, Emma Kirby, David Sibbritt, Deme Karikios, Rosemary Harrup, Zarnie Lwin
BACKGROUND: Medical oncology is a steadily evolving field of medical practice and professional pathway for doctors, offering value, opportunity and challenge to those who chose this medical specialty. This study examines the experiences of a group of Australian medical oncologists, with an emphasis on their professional practice, career experiences, and existing and emerging challenges across career stages. METHODS: In-depth qualitative interviews were conducted with 22 medical oncologists, including advanced trainees, early-career consultants and senior consultants, focusing on: professional values and experiences; career prospects and pathways; and, the nexus of the characteristics of the profession and delivery of care...
2016: PloS One
https://www.readbyqxmd.com/read/27901301/how-wide-should-margins-be-for-phyllodes-tumors-of-the-breast
#6
Rosemarie Tremblay-LeMay, Jean-Charles Hogue, Louise Provencher, Brigitte Poirier, Éric Poirier, Sophie Laberge, Caroline Diorio, Christine Desbiens
The surgical management of phyllodes tumors (PTs) is still controversial. Some studies have suggested surgical margins ≥1 cm, but recent studies suggested that negative margins could be appropriate regardless of their width. To evaluate recurrence rates of PTs following surgery according to margins. Retrospective study of women who attended a tertiary breast cancer reference center between 1998 and 2010: 142 patients with a PT diagnosis, either at minimally invasive breast biopsy or at surgery, were identified...
November 30, 2016: Breast Journal
https://www.readbyqxmd.com/read/27896396/metabolic-profiling-of-ob-ob-mouse-fatty-liver-using-hr-mas-1-h-nmr-combined-with-gene-expression-analysis-reveals-alterations-in-betaine-metabolism-and-the-transsulfuration-pathway
#7
Mikheil Gogiashvili, Karolina Edlund, Kathrin Gianmoena, Rosemarie Marchan, Alexander Brik, Jan T Andersson, Jörg Lambert, Katrin Madjar, Birte Hellwig, Jörg Rahnenführer, Jan G Hengstler, Roland Hergenröder, Cristina Cadenas
Metabolic perturbations resulting from excessive hepatic fat accumulation are poorly understood. Thus, in this study, leptin-deficient ob/ob mice, a mouse model of fatty liver disease, were used to investigate metabolic alterations in more detail. Metabolites were quantified in intact liver tissues of ob/ob (n = 8) and control (n = 8) mice using high-resolution magic angle spinning (HR-MAS) (1)H-NMR. In addition, after demonstrating that HR-MAS (1)H-NMR does not affect RNA integrity, transcriptional changes were measured by quantitative real-time PCR on RNA extracted from the same specimens after HR-MAS (1)H-NMR measurements...
November 28, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27895911/under-five-mortality-among-displaced-populations-in-meheba-refugee-camp-zambia-2008-2014
#8
Nachela Malisenti Chelwa, Rosemary Ndonyo Likwa, Jeremiah Banda
BACKGROUND: Under-five mortality, which is the probability of a child dying before their fifth birthday, is of concern in Zambia as infant and child mortality rates are important social indicators. Displaced population in camps provide a basis for under-five mortality surveillance because detailed registration databases have been developed. Additionally, health data routinely collected on mortality allowed for a review of mortality trends and identification of correlating factors to under-five mortality...
2016: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/27895238/combined-modality-intervention-for-adhd-with-comorbid-reading-disorders-a-proof-of-concept-study
#9
Rosemary Tannock, Jan C Frijters, Rhonda Martinussen, Erin Jacquelyn White, Abel Ickowicz, Nancy J Benson, Maureen W Lovett
To evaluate the relative efficacy of two reading programs with and without adjunctive stimulant medication for children with attention-deficit/hyperactivity disorder and comorbid reading disorder (ADHD+RD). Sixty-five children (7-11 years in age) were assigned randomly to one of three intensive remedial academic programs (phonologically or strategy-based reading instruction, or general academic strategy and social skills training) in combination with either immediate-release methylphenidate or placebo. Multiple-blind procedures were used for medication/placebo, given twice daily...
November 28, 2016: Journal of Learning Disabilities
https://www.readbyqxmd.com/read/27894832/development-of-a-rapid-one-step-screening-method-for-the-isolation-of-presumptive-proteolytic-enterococci
#10
Ken Graham, Rosemary Rea, Paul Simpson, Helena Stack
Enterococci show higher proteolytic activities than other lactic acid bacteria and thus have received considerable attention in scientific literature in recent years. Proteolytic enzymes of enterococci have warranted the use of some species as starter, adjuncts or protective cultures and as probiotics, while in some strains they have also been linked with virulence. Consequently, the isolation and identification of proteolytic enterococci is becoming of increasing interest and importance. However, current screening methods for proteolytic enterococci can be time consuming, requiring a two-step procedure which may take up to 96h...
November 25, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27894320/successful-malaria-elimination-in-the-ecuador-peru-border-region-epidemiology-and-lessons-learned
#11
Lyndsay K Krisher, Jesse Krisher, Mariano Ambuludi, Ana Arichabala, Efrain Beltrán-Ayala, Patricia Navarrete, Tania Ordoñez, Mark E Polhemus, Fernando Quintana, Rosemary Rochford, Mercy Silva, Juan Bazo, Anna M Stewart-Ibarra
BACKGROUND: In recent years, malaria (Plasmodium vivax and Plasmodium falciparum) has been successfully controlled in the Ecuador-Peru coastal border region. The aim of this study was to document this control effort and to identify the best practices and lessons learned that are applicable to malaria control and to other vector-borne diseases. A proximal outcome evaluation was conducted of the robust elimination programme in El Oro Province, Ecuador, and the Tumbes Region, Peru. Data collection efforts included a series of workshops with local public health experts who played central roles in the elimination effort, review of epidemiological records from Ministries of Health, and a review of national policy documents...
November 28, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27894123/safeguarding-pollinators-and-their-values-to-human-well-being
#12
Simon G Potts, Vera Imperatriz-Fonseca, Hien T Ngo, Marcelo A Aizen, Jacobus C Biesmeijer, Thomas D Breeze, Lynn V Dicks, Lucas A Garibaldi, Rosemary Hill, Josef Settele, Adam J Vanbergen
Wild and managed pollinators provide a wide range of benefits to society in terms of contributions to food security, farmer and beekeeper livelihoods, social and cultural values, as well as the maintenance of wider biodiversity and ecosystem stability. Pollinators face numerous threats, including changes in land-use and management intensity, climate change, pesticides and genetically modified crops, pollinator management and pathogens, and invasive alien species. There are well-documented declines in some wild and managed pollinators in several regions of the world...
November 28, 2016: Nature
https://www.readbyqxmd.com/read/27893951/events-leading-to-hospital-related-disenrollment-of-home-hospice-patients-a-study-of-primary-caregivers-perspectives
#13
Veerawat Phongtankuel, Shawn Paustian, Manney Carrington Reid, Amanda Finley, Angela Martin, John Delfs, Rosemary Baughn, Ronald D Adelman
BACKGROUND: Approximately 25% of hospice disenrollments in the United States occur as the result of hospitalization, which can lead to burdensome transitions and undesired care. Informal caregivers (e.g., spouses, children) play a critical role in caring for patients on home hospice. Research examining hospital-related disenrollment among these patients is limited. OBJECTIVE: To understand the events surrounding the hospitalization of patients discharged from home hospice through the perspective of their informal caregivers...
November 28, 2016: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/27890777/psychological-wellbeing-in-survivors-of-cardiac-arrest-and-its-relationship-to-neurocognitive-function
#14
Siân E Davies, Megan Rhys, Sarah E Voss, Rosemary Greenwood, Matthew Thomas, Jonathan R Benger
OBJECTIVE: To characterise psychological wellbeing in survivors of out-of-hospital cardiac arrest (OHCA), and examine its relationship to cognitive function. PATIENTS: Forty-one highly functioning cardiac arrest survivors were drawn from the follow-up cohort of a randomised controlled trial of initial airway management in OHCA (ISRCTN:18528625). DESIGN: Psychological wellbeing was assessed with a self-report questionnaire (the Depression Anxiety and Stress Scale; DASS) and cognitive function was examined using the Delayed Matching to Samples (DMS) test from the Cambridge Neuropsychological Test Automated Battery (CANTAB)...
November 24, 2016: Resuscitation
https://www.readbyqxmd.com/read/27889290/randomized-split-body-single-blinded-clinical-trial-of-topical-broccoli-sprout-extract-assessing-the-feasibility-of-its-use-in-keratin-based-disorders
#15
Michelle L Kerns, Lark Guss, Jed Fahey, Bernard Cohen, Jill M C Hakim, Sarah Sung, Rosemary G Lu, Pierre A Coulombe
BACKGROUND: Epidermolysis bullosa simplex is a skin-blistering disorder caused by mutations in keratin (K)14 or K5. Treatment with nuclear factor (erythroid-derived 2)-like 2 inducer sulforaphane ameliorated skin blistering in Krt14-null mice, correlating with induction of K17. To be therapeutically useful for epidermolysis bullosa simplex, topical broccoli sprout extract (BSE), enriched for sulforaphane, would ideally induce the expression of homologous keratins (eg, K6, K17, K16) in the basal layer of human epidermis without impacting expression of defective keratins (K5/K14)...
November 23, 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/27886140/english-stop-smoking-services-one-year-outcomes
#16
Linda Bauld, Rosemary Hiscock, Fiona Dobbie, Paul Aveyard, Tim Coleman, Jo Leonardi-Bee, Hayden McRobbie, Andy McEwen
The UK is a global leader in stop-smoking support-providing free behavioral support and cessation medication via stop smoking services (SSS) without charge to smokers. This study aimed to explore the client and service characteristics associated with abstinence 52 weeks after quitting. A prospective cohort study of 3057 SSS clients in nine different areas of England who began their quit attempt between March 2012 and March 2013 was conducted. Important determinants of long-term quitting were assessed through quit rates and multivariable logistic regression...
November 24, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27884996/ten-policies-for-pollinators
#17
Lynn V Dicks, Blandina Viana, Riccardo Bommarco, Berry Brosi, María Del Coro Arizmendi, Saul A Cunningham, Leonardo Galetto, Rosemary Hill, Ariadna V Lopes, Carmen Pires, Hisatomo Taki, Simon G Potts
No abstract text is available yet for this article.
November 25, 2016: Science
https://www.readbyqxmd.com/read/27884762/pleasantness-familiarity-and-identification-of-spice-odors-are-interrelated-and-enhanced-by-consumption-of-herbs-and-food-neophilia
#18
Antti Knaapila, Oskar Laaksonen, Markus Virtanen, Baoru Yang, Hanna Lagström, Mari Sandell
The primary dimension of odor is pleasantness, which is associated with a multitude of factors. We investigated how the pleasantness, familiarity, and identification of spice odors were associated with each other and with the use of the respective spice, overall use of herbs, and level of food neophobia. A total of 126 adults (93 women, 33 men; age 25-61 years, mean 39 years) rated the odors from 12 spices (oregano, anise, rosemary, mint, caraway, sage, thyme, cinnamon, fennel, marjoram, garlic, and clove) for pleasantness and familiarity, and completed a multiple-choice odor identification...
November 21, 2016: Appetite
https://www.readbyqxmd.com/read/27884492/what-women-want-exploring-pregnant-women-s-preferences-for-alternative-models-of-maternity-care
#19
Christopher Godfrey Fawsitt, Jane Bourke, Jennifer E Lutomski, Sarah Meaney, Brendan McElroy, Rosemary Murphy, Richard Anthony Greene
Depending on obstetric risk, maternity care may be provided in one of two locations at hospital level: a consultant-led unit (CLU) or a midwifery-led unit (MLU). Care in a MLU is sparsely provided in Ireland, comprising as few as two units out of a total 21 maternity units. Given its potential for greater efficiencies of care and cost-savings for the state, there has been an increased interest to expand MLUs in Ireland. Yet, very little is known about women's preferences for midwifery-led care, and whether they would utilise this service when presented with the choice of delivering in a CLU or MLU...
November 8, 2016: Health Policy
https://www.readbyqxmd.com/read/27883264/mucosa-associated-biohydrogenating-microbes-protect-the-simulated-colon-microbiome-from-stress-associated-with-high-concentrations-of-poly-unsaturated-fat
#20
Rosemarie De Weirdt, Emma Hernandez-Sanabria, Veerle Fievez, Eva Mees, Annelies Geirnaert, Florence Van Herreweghen, Ramiro Vilchez-Vargas, Pieter Van den Abbeele, Ruy Jauregui, Dietmar H Pieper, Bruno Vlaeminck, Tom Van de Wiele
Polyunsaturated fatty acids (PUFAs) may affect colon microbiome homeostasis by exerting (specific) antimicrobial effects and/or interfering with mucosal biofilm formation at the gut mucosal interface. We used standardized batch incubations and the Mucosal-Simulator of the Human Microbial Intestinal Ecosystem (M-SHIME) to show the in vitro luminal and mucosal effects of the main PUFA in the Western diet, linoleic acid (LA). High concentrations of LA were found to decrease butyrate production and Faecalibacterium prausnitzii numbers dependent on LA biohydrogenation to vaccenic acid (VA) and stearic acid (SA)...
November 24, 2016: Environmental Microbiology
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