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https://www.readbyqxmd.com/read/28651115/ten-year-results-of-applying-an-original-scoring-system-for-addressing-adjuvant-therapy-use-after-breast-conserving-surgery-for-ductal-carcinoma-in-situ-of-the-breast
#1
Massimiliano Gennaro, Maria Carmen De Santis, Luigi Mariani, Salvatore Lo Vullo, Vera Cappelletti, Roberto Agresti, Umberto Cortinovis, Biagio Paolini, Serena Di Cosimo, Maria Luisa Carcangiu, Maria Grazia Daidone, Laura Lozza
PURPOSE: Although large-scale randomised clinical trials have established that radiotherapy (RT) - alone or combined with hormonal therapy (HT) - is effective in reducing the risk of ipsilateral breast tumour recurrence (IBTR), overall survival does not seem to be improved by adjuvant therapies. We sought to ascertain whether specific criteria can be adopted to avoid RT with an acceptable rate of IBTR after breast-conserving surgery (BCS) achieving tumour-free margins. PATIENTS AND METHODS: This non-randomised prospective study concerned the outcome of patients who underwent BCS for ductal carcinoma in situ (DCIS) and were prospectively assessed by means of an established scoring system based on width of free margins in association with age <40, presence of comedonecrosis, high grade, ER negativity and HER2 positivity, to orient the use of any adjuvant therapies...
June 23, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28650979/expression-of-cerebral-serotonin-related-to-anxiety-like-behaviors-in-c57bl-6-offspring-induced-by-repeated-subcutaneous-prenatal-exposure-to-low-dose-lipopolysaccharide
#2
Pei-Tan Hsueh, Hsuan-Han Wang, Chiu-Lin Liu, Wei-Fen Ni, Ya-Lei Chen, Jong-Kang Liu
Prenatal exposure to lipopolysaccharide (LPS), which likely occurs due to infection or contact with environmental allergens during pregnancy, is a proposed risk factor that induces anxiety- and autism spectrum disorder-like behaviors in offspring. However, the molecular and behavioral changes in offspring after maternal immune activation have not been completely identified. We hypothesized that a subcutaneous injection of LPS in a pregnant mouse would induce changes in cerebral serotonin (5-HT) in parallel to the appearance of anxiety-like behaviors in the dam's offspring...
2017: PloS One
https://www.readbyqxmd.com/read/28650892/the-2017-hormone-therapy-position-statement-of-the-north-american-menopause-society
#3
(no author information available yet)
The 2017 Hormone Therapy Position Statement of The North American Menopause Society (NAMS) updates the 2012 Hormone Therapy Position Statement of The North American Menopause Society and identifies future research needs. An Advisory Panel of clinicians and researchers expert in the field of women's health and menopause was recruited by NAMS to review the 2012 Position Statement, evaluate new literature, assess the evidence, and reach consensus on recommendations, using the level of evidence to identify the strength of recommendations and the quality of the evidence...
June 22, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28650869/the-2017-hormone-therapy-position-statement-of-the-north-american-menopause-society
#4
(no author information available yet)
The 2017 Hormone Therapy Position Statement of The North American Menopause Society (NAMS) updates the 2012 Hormone Therapy Position Statement of The North American Menopause Society and identifies future research needs. An Advisory Panel of clinicians and researchers expert in the field of women's health and menopause was recruited by NAMS to review the 2012 Position Statement, evaluate new literature, assess the evidence, and reach consensus on recommendations, using the level of evidence to identify the strength of recommendations and the quality of the evidence...
July 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28650210/bronchial-provocation-testing-can-be-improved-by-using-dry-powder-adenosine-instead-of-nebulized-amp
#5
Anne J Lexmond, Ilse M Boudewijn, Paul Hagedoorn, Siebrig Schokker, Claire A Cox, Judith M Vonk, Nick Ht Ten Hacken, Henderik W Frijlink, Sebastiaan J Vroegop, Maarten van den Berge
No abstract text is available yet for this article.
June 26, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28650085/immunogenicity-of-plant-produced-african-horse-sickness-virus-like-particles-implications-for-a-novel-vaccine
#6
Susan J Dennis, Ann E Meyers, Alan J Guthrie, Inga I Hitzeroth, Edward P Rybicki
African horse sickness (AHS) is a debilitating and often fatal viral disease affecting horses in much of Africa, caused by the dsRNA orbivirus African horse sickness virus (AHSV). Vaccination remains the single most effective weapon in combatting AHS, as there is no treatment for the disease apart from good animal husbandry. However, the only commercially available vaccine is a live attenuated version of the virus (LAV). The threat of outbreaks of the disease outside its endemic region and the fact that the LAV is not licensed for use elsewhere in the world, have spurred attempts to develop an alternative safer, yet cost-effective recombinant vaccine...
June 26, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28649632/three-dimensional-organotypic-co-culture-model-of-intestinal-epithelial-cells-and-macrophages-to-study-salmonella-enterica-colonization-patterns
#7
Jennifer Barrila, Jiseon Yang, Aurélie Crabbé, Shameema F Sarker, Yulong Liu, C Mark Ott, Mayra A Nelman-Gonzalez, Simon J Clemett, Seth D Nydam, Rebecca J Forsyth, Richard R Davis, Brian E Crucian, Heather Quiriarte, Kenneth L Roland, Karen Brenneman, Clarence Sams, Christine Loscher, Cheryl A Nickerson
Three-dimensional models of human intestinal epithelium mimic the differentiated form and function of parental tissues often not exhibited by two-dimensional monolayers and respond to Salmonella in key ways that reflect in vivo infections. To further enhance the physiological relevance of three-dimensional models to more closely approximate in vivo intestinal microenvironments encountered by Salmonella, we developed and validated a novel three-dimensional co-culture infection model of colonic epithelial cells and macrophages using the NASA Rotating Wall Vessel bioreactor...
2017: NPJ Microgravity
https://www.readbyqxmd.com/read/28649074/neurochemical-and-behavioral-effects-of-green-tea-camellia-sinensis-as-observed-in-animals-exposed-to-restraint-stress
#8
Huma Ikram, Beenish Mirza, Darakhshan Jabeen Haleem
Clinical studies on psychiatric patients suggest that life events stress precipitates depression. The possible involvement of 5-Hydroxy tryptamine (5-HT; Serotonin) in depression and other behavioral deficits is also suggested by clinical studies. As a natural stimulant, green tea (Camellia Sinensis) diminishes stress, worry and anxiety, allowing the brain to focus and concentrate better. Previously we have reported that beneficial effects of green tea might be associated with altered levels of 5-HT, which in turn may help in coping with stress...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28649058/buspirone-attenuates-methylphenidate-induced-growth-inhibition
#9
Nausheen Alam, Rahila Najam
Methylphenidate is effective in the treatment of attention deficit hyperactivity disorder (ADHD) in children and adults, but its long term use can cause potential adverse effect on growth rate and variable effects on appetite. Previous studies have shown that long term administration of psychostimulant drugs increases the effectiveness of somatodendritic 5-hydroxytryptamine (5-HT)-1A receptors. Repeated administration of buspirone attenuates the effectiveness of somatodendritic 5-HT1A receptors. The present study was designed to test the hypothesis that co-administration of buspirone may attenuate methylphenidate-induced effects on growth rate and food intake...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28649015/on-command-on-off-switching-of-progenitor-cell-and-cancer-cell-polarized-motility-and-aligned-morphology-via-a-cytocompatible-shape-memory-polymer-scaffold
#10
Jing Wang, Andy Quach, Megan E Brasch, Christopher E Turner, James H Henderson
In vitro biomaterial models have enabled advances in understanding the role of extracellular matrix (ECM) architecture in the control of cell motility and polarity. Most models are, however, static and cannot mimic dynamic aspects of in vivo ECM remodeling and function. To address this limitation, we present an electrospun shape memory polymer scaffold that can change fiber alignment on command under cytocompatible conditions. Cellular response was studied using the human fibrosarcoma cell line HT-1080 and the murine mesenchymal stem cell line C3H/10T1/2...
June 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28647328/effects-of-feeding-an-immunomodulatory-supplement-to-heat-stressed-or-actively-cooled-cows-during-late-gestation-on-postnatal-immunity-health-and-growth-of-calves
#11
Amy L Skibiel, Thiago F Fabris, Fabiana N Corrá, Yazielis M Torres, Derek J McLean, James D Chapman, David J Kirk, Geoffrey E Dahl, Jimena Laporta
Heat stress during late gestation negatively affects the physiology, health, and productivity of dairy cows as well as the calves developing in utero. Providing cows with active cooling devices, such as fans and soakers, and supplementing cows with an immunomodulating feed additive, OmniGen-AF (OG; Phibro Animal Health Corporation), improves immune function and milk yield of cows. It is unknown if maternal supplementation of OG combined with active cooling during late gestation might benefit the developing calf as well...
June 21, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28647281/serotonergic-modulation-of-nicotine-induced-kinetic-tremor-in-mice
#12
Naofumi Kunisawa, Higor A Iha, Yuji Nomura, Misaki Onishi, Nami Matsubara, Saki Shimizu, Yukihiro Ohno
We previously demonstrated that nicotine elicited kinetic tremor by elevating the neural activity of the inferior olive via α7 nicotinic acetylcholine (nACh) receptors. Since α7 nACh receptors reportedly facilitate synaptic monoamine release, we explored the role of 5-HT receptors in induction and/or modulation of nicotine tremor. Treatment of mice with nicotine induced kinetic tremor that normally appeared during movement. The 5-HT1A agonist, 8-hydroxydipropylaminotetraline (8-OH-DPAT), significantly enhanced nicotine-induced tremor and the action of 8-OH-DPAT was antagonized by WAY-100135 (5-HT1A antagonist)...
June 9, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28647180/helianthus-tuberosus-jerusalem-artichoke-tubers-improve-glucose-tolerance-and-hepatic-lipid-profile-in-rats-fed-a-high-fat-diet
#13
Naoto Okada, Shinya Kobayashi, Kouta Moriyama, Kohsuke Miyataka, Shinji Abe, Chiemi Sato, Kazuyoshi Kawazoe
OBJECTIVES: To analyze the effects of feeding Helianthus tuberosus (HT) tubers on glucose tolerance and lipid profile in rats fed a high-fat diet (HFD). METHODS: A normal HFD or HFD including 10 w/w% HT tubers (HFD + HT) was fed to F334/Jcl rats. After 10 weeks, organ weights, glucose tolerance, and lipid profile were analyzed. RESULTS: The body weight, liver weight, and epidermal fat content in the HFD group were higher than those of the normal group, and similar to those of the HFD + HT group...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28647146/analysis-of-oxidised-heavy-paraffininc-products-by-high-temperature-comprehensive-two-dimensional-gas-chromatography
#14
H Potgieter, R Bekker, J Beigley, E Rohwer
Heavy petroleum fractions are produced during crude and synthetic crude oil refining processes and they need to be upgraded to useable products to increase their market value. Usually these fractions are upgraded to fuel products by hydrocracking, hydroisomerization and hydrogenation processes. These fractions are also upgraded to other high value commercial products like lubricant oils and waxes by distillation, hydrogenation, and oxidation and/or blending. Oxidation of hydrogenated heavy paraffinic fractions produces high value products that contain a variety of oxygenates and the characterization of these heavy oxygenates is very important for the control of oxidation processes...
June 16, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28646910/the-role-of-5-ht-receptors-in-depression
#15
REVIEW
Christine N Yohn, Mark M Gergues, Benjamin Adam Samuels
Depression is a polygenic and highly complex psychiatric disorder that remains a major burden on society. Antidepressants, such as selective serotonin reuptake inhibitors (SSRIs), are some of the most commonly prescribed drugs worldwide. In this review, we will discuss the evidence that links serotonin and serotonin receptors to the etiology of depression and the mechanisms underlying response to antidepressant treatment. We will then revisit the role of serotonin in three distinct hypotheses that have been proposed over the last several decades to explain the pathophysiology of depression: the monoamine, neurotrophic, and neurogenic hypotheses...
June 24, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28646714/synthetic-cathinones-and-stereochemistry-s-enantiomer-of-mephedrone-reduces-anxiety-and-depressant-like-effects-in-cocaine-or-mdpv-abstinent-rats
#16
Helene L Philogene-Khalid, Callum Hicks, Allen B Reitz, Lee-Yuan Liu-Chen, Scott M Rawls
BACKGROUND AND PURPOSE: The neuropharmacological profile of the synthetic cathinone mephedrone (MEPH) is influenced by stereochemistry. Both MEPH enantiomers are monoamine transporter substrates, but R-MEPH is primarily responsible for rewarding effects of MEPH as it produces greater locomotor activation and intracranial self-stimulation than S-MEPH. S-MEPH is a 50-fold more potent 5-HT releaser than R-MEPH and does not place preference in rats. MEPH is also structurally similar to the cathinone derivative bupropion, an antidepressant and smoking cessation medication, suggesting MEPH has therapeutic and addictive properties...
June 13, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28646297/simultaneous-determination-of-aflatoxins-t-2-and-ht-2-toxins-and-fumonisins-in-cereal-derived-products-by-quechers-extraction-coupled-with-lc-ms-ms
#17
Loredana Annunziata, Arianna Stramenga, Pierina Visciano, Maria Schirone, Lorenzo De Colli, Maria Novella Colagrande, Guido Campana, Giampiero Scortichini
A fast, easy, and cheap method for the simultaneous determination and quantification of aflatoxins (B1, B2, G1, G2), T-2 and HT-2 toxins, and fumonisins (B1, B2) in cereal-derived products was developed. This method involved a quick, easy, cheap, effective, rugged, and safe (QuEChERS) extraction coupled with liquid chromatography-tandem mass spectrometry. The method validation was performed by analyzing samples spiked at four levels, and the recoveries ranged from 83.6 to 102.9%, whereas the maximum values of repeatability and within-laboratory reproducibility were 14...
June 23, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28645783/maerua-angolensis-stem-bark-extract-reverses-anxiety-and-related-behaviours-in-zebrafish-involvement-of-gabaergic-and-5-ht-systems
#18
Charles Kwaku Benneh, Robert Peter Biney, Priscilla Kolibea Mante, Augustine Tandoh, Donatus Wewura Adongo, Eric Woode
ETHNOPHARMACOLOGICAL RELEVANCE: Maerua angolensis DC (Capparaceae) has been employed in the management of several central nervous system (CNS) disorders including anxiety. This study evaluated the anxiolytic effects of the petroleum ether/ethyl acetate fraction stem bark extract and its possible mechanism(s) using zebrafish anxiety models. METHODS: Adult zebrafish, tested in the novel tank and light dark tests, have shown by previous authors to be sensitive to the anxiolytic effects of known anxiolytic drugs...
June 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28645584/effects-of-intranasal-treatment-with-slow-gyy4137-and-rapid-nahs-donors-of-hydrogen-sulfide-in-lipopolysaccharide-induced-airway-inflammation-in-mice
#19
Yesim Kaya-Yasar, Yasemin Karaman, Turgut Emrah Bozkurt, Sevgen Celik Onder, Inci Sahin-Erdemli
We have investigated the effects of slow (GYY4137) and rapid (NaHS) hydrogen sulfide (H2S) releasing donors in lipopolysaccharide (LPS)-induced airway inflammation in mice. LPS (0.1 mg/ml) in 60 μl PBS was administered by the intranasal (i.n.) route and control group received vehicle, whereas the subgroups of mice were treated with i.n. GYY4137 or NaHS. The tracheal reactivity, inflammatory cell count in bronchoalveolar lavage (BAL) fluid and lung histopathology were evaluated in all groups 48 h after LPS/PBS applications...
June 20, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28643275/open-label-single-sequence-crossover-study-evaluating-pharmacokinetics-efficacy-and-safety-of-once-daily-dosing-of-nitisinone-in-patients-with-hereditary-tyrosinemia-type-1
#20
Nathalie Guffon, Anders Bröijersén, Ingrid Palmgren, Mattias Rudebeck, Birgitta Olsson
BACKGROUND: Although nitisinone is successfully used to treat hereditary tyrosinemia type 1 (HT-1) with the recommended twice-daily dosing, data describing a long half-life motivate less frequent dosing. Therefore, in agreement with the Pharmacovigilance Risk Assessment Committee at the European Medicines Agency, this study was performed to investigate the switch to once-daily dosing. METHODS: This open-label, non-randomized, single-sequence crossover study evaluated the pharmacokinetics, efficacy, and safety of once-daily compared to twice-daily dosing of nitisinone in patients with HT-1 (NCT02323529)...
June 23, 2017: JIMD Reports
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