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https://www.readbyqxmd.com/read/28731219/daylight-effect-on-melatonin-secretion-in-adult-female-guanacos-lama-guanicoe
#1
J L Riveros, L M Correa, G Schuler
The wild South American camelids developed a strategy of seasonal reproduction during spring and summer with singleton birth. The photoperiod is one of the factors that may modulate this seasonality where light would be translated into a hormonal signal. This study evaluated the influence of changes in daily light intensity on melatonin concentration in captive guanacos under a long-day photoperiod (16 hr light/8 hr dark; 33 '28'S). Mean melatonin concentration was 28.3 ± 20.3 pg/ml, with a maximum of 52...
July 21, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28728971/a-multi-objective-optimization-approach-for-the-selection-of-working-fluids-of-geothermal-facilities-economic-environmental-and-social-aspects
#2
Juan Martínez-Gomez, Javier Peña-Lamas, Mariano Martín, José María Ponce-Ortega
The selection of the working fluid for Organic Rankine Cycles has traditionally been addressed from systematic heuristic methods, which perform a characterization and prior selection considering mainly one objective, thus avoiding a selection considering simultaneously the objectives related to sustainability and safety. The objective of this work is to propose a methodology for the optimal selection of the working fluid for Organic Rankine Cycles. The model is presented as a multi-objective approach, which simultaneously considers the economic, environmental and safety aspects...
July 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28725153/ovulation-induction-by-metformin-among-obese-versus-non-obese-women-with-polycystic-ovary-syndrome
#3
Yazed Sulaiman Al-Ruthia, Hazem Al-Mandeel, Hisham AlSanawi, Wael Mansy, Reem AlGasem, Lama AlMutairi
OBJECTIVES: There is some evidence that the efficacy of metformin as an ovulation stimulation agent depends on the body mass index (BMI) of the treated anovulatory women with polycystic ovary syndrome (PCOS). The aim of this study was to examine the likelihood of successful ovulation among obese (BMI ⩾30 kg/m(2)) versus non-obese (BMI <30 kg/m(2)) women with PCOS. METHODS: A total of 243 medical charts of women with PCOS who visited King Khaled University Hospital (KKUH) in Riyadh, Saudi Arabia, between 2006 and 2012 were reviewed...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28725131/oral-kaposi-sarcoma-in-hiv-seronegative-saudi-patient-literature-review-and-case-report
#4
Asmaa Faden, Manal AlSheddi, Mohammed AlKindi, Lama Alabdulaaly
Kaposi Sarcoma (KS) is an intermediate neoplasm affecting the endothelial cells of mucous membranes and skin. It arises most commonly among HIV-infected individuals. We present an intra-oral KS in an 80-year-old Saudi male patient, who is HIV-seronegative, non-immunosuppressed, and with no history of organ transplantation. The patient was treated with fractionated radiation therapy, and had no recurrence in the 48 months of follow-up. The clinical disease, histologic features, and treatment modality used, as well as the relative literature are presented in this paper...
July 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/28724627/using-step-width-to-compare-locomotor-biomechanics-between-extinct-non-avian-theropod-dinosaurs-and-modern-obligate-bipeds
#5
P J Bishop, C J Clemente, R E Weems, D F Graham, L P Lamas, J R Hutchinson, J Rubenson, R S Wilson, S A Hocknull, R S Barrett, D G Lloyd
How extinct, non-avian theropod dinosaurs locomoted is a subject of considerable interest, as is the manner in which it evolved on the line leading to birds. Fossil footprints provide the most direct evidence for answering these questions. In this study, step width-the mediolateral (transverse) distance between successive footfalls-was investigated with respect to speed (stride length) in non-avian theropod trackways of Late Triassic age. Comparable kinematic data were also collected for humans and 11 species of ground-dwelling birds...
July 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28720132/efficacy-and-safety-of-direct-switch-to-indacaterol-glycopyrronium-in-patients-with-moderate-copd-the-crystal-open-label-randomised-trial
#6
Claus F Vogelmeier, Mina Gaga, Maryam Aalamian-Mattheis, Timm Greulich, Jose M Marin, Walter Castellani, Vincent Ninane, Stephen Lane, Xavier Nunez, Francesco Patalano, Andreas Clemens, Konstantinos Kostikas
BACKGROUND: Dual bronchodilation combining a long-acting β2-agonist (LABA) and a long-acting muscarinic antagonist (LAMA) is the preferred choice of treatment recommended by the Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2017 guidelines for the management of patients with moderate-to-severe chronic obstructive pulmonary disease (COPD). The once-daily (q.d.) fixed-dose combination (FDC) of LABA, indacaterol 110 μg and LAMA, glycopyrronium 50 μg (IND/GLY 110/50 μg q...
July 18, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28719755/clinical-risk-factors-and-prognostic-model-for-primary-graft-dysfunction-after-lung-transplantation-in-patients-with-pulmonary-hypertension
#7
Mary K Porteous, James C Lee, David J Lederer, Scott M Palmer, Edward Cantu, Rupal J Shah, Scarlett L Bellamy, Vibha N Lama, Sangeeta M Bhorade, Maria M Crespo, John F McDyer, Keith M Wille, A Russell Localio, Jonathan B Orens, Pali D Shah, Ann B Weinacker, Selim Arcasoy, David S Wilkes, Lorraine B Ware, Jason D Christie, Steven M Kawut, Joshua M Diamond
RATIONALE: Pulmonary hypertension from pulmonary arterial hypertension or parenchymal lung disease is associated with an increased risk of primary graft dysfunction after lung transplantation. OBJECTIVE: We evaluated the clinical determinants of severe primary graft dysfunction in pulmonary hypertension and developed and validated a prognostic model. METHODS: We conducted a retrospective cohort study of patients in the multi-center Lung Transplant Outcomes Group with pulmonary hypertension at transplant listing...
July 18, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28716723/pharmacological-characterization-of-the-interaction-between-umeclidinium-and-vilanterol-in-human-bronchi
#8
Luigino Calzetta, Paola Rogliani, Francesco Facciolo, Erino Rendina, Mario Cazzola, Maria Gabriella Matera
The long-acting β2-agonist (LABA) / long-acting muscarinic antagonist (LAMA) fixed dose combination (FDC) therapy represents the cornerstone for the treatment of chronic obstructive pulmonary disease (COPD). Nevertheless, conflicting clinical findings still exist on the real benefit of the LABA/LAMA FDCs. Therefore, we investigated whether combining the LABA vilanterol with the LAMA umeclidinium may induce synergistic bronchorelaxant effect in isolated airways. The effect of umeclidinium and vilanterol, administered alone, in combination at the ratio of concentrations reproducing the doses delivered by Anoro(®) Ellipta(®) (55:22), or at isoeffective low concentrations, was investigated on the cholinergic contractile tone induced by the parasympathetic activation of human isolated airways...
July 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28714789/the-role-of-physical-activity-in-the-association-between-resilience-and-mental-health-in-older-adults
#9
Maria Priscila Wermelinger Ávila, Jimilly Caputo Corrêa, Alessandra Lamas Granero Lucchetti, Giancarlo Lucchetti
The aim of this study is to evaluate the relationship between resilience and mental health in older adults and how physical activity influences that relationship. A cross-sectional study was carried out with 312 older adults (179 active and 133 sedentary classified by IPAQ). Considering the whole sample, an inverse relationship was found for resilience (Wagnild-Young's Resilience Scale) with depression and stress (DASS-21). Among the sedentary, in spite of there not being an association between total resilience and mental health, there was an inverse relationship for the "meaning of life" component of the resilience and depression scale...
July 17, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28714511/tailoring-crack-morphology-in-coffee-ring-deposits-via-substrate-heating
#10
Hisay Lama, Madivala G Basavaraj, Dillip K Satapathy
The drying of a sessile drop consisting of colloidal particles and the formation of particulate deposits with spatially periodic cracks were ubiquitous. The drying induced stress, which is generated during the evaporation of a colloidal drop, is released by the formation of cracks. We find that the morphology of cracks formed in particulate films dried at substrate temperature, Tsub = 25 °C is markedly different from that of cracks formed at Tsub > 45 °C. The cracks are disordered in the former case, but ordered and periodic in the latter...
July 17, 2017: Soft Matter
https://www.readbyqxmd.com/read/28699276/y-chromosome-and-mtdna-variation-confirms-independent-domestications-and-directional-hybridization-in-south-american-camelids
#11
J C Marín, K Romero, R Rivera, W E Johnson, B A González
Investigations of genetic diversity and domestication in South American camelids (SAC) have relied on autosomal microsatellite and maternally-inherited mitochondrial data. We present the first integrated analysis of domestic and wild SAC combining male and female sex-specific markers (male specific Y-chromosome and female-specific mtDNA sequence variation) to assess: (i) hypotheses about the origin of domestic camelids, (ii) directionality of introgression among domestic and/or wild taxa as evidence of hybridization and (iii) currently recognized subspecies patterns...
July 11, 2017: Animal Genetics
https://www.readbyqxmd.com/read/28694698/maintenance-therapy-in-copd-time-to-phase-out-ics-and-switch-to-the-new-lama-laba-inhalers
#12
REVIEW
Syed Mohammad Tariq, Enson C Thomas
Long-term maintenance therapy for COPD is evolving rapidly. Dual bronchodilation with new long-acting muscarinic antagonist and long-acting beta-agonist (LAMA/LABA) fixed dose combination inhalers were introduced over the past 2 years. In clinical trials, these inhalers significantly improved lung function (trough forced expiratory volume in 1 second), patient-reported outcomes, and quality of life measures compared with placebo, their respective monocomponents, and tiotropium. The recorded adverse events of these new inhalers were also similar to those of their monocomponents or placebo...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28694697/double-bronchodilation-in-chronic-obstructive-pulmonary-disease-a-crude-analysis-from-a-systematic-review
#13
Jose Luis Lopez-Campos, Carmen Calero-Acuña, Eduardo Márquez-Martín, Esther Quintana Gallego, Laura Carrasco-Hernández, Maria Abad Arranz, Francisco Ortega Ruiz
OBJECTIVE: The combination of a long-acting muscarinic antagonist (LAMA) and a long-acting β2-agonist (LABA) in a single inhaler is a viable treatment option for patients with chronic obstructive pulmonary disease (COPD). Here, we systematically review the current knowledge on double bronchodilation for the treatment of COPD, with a specific focus on its efficacy versus placebo and/or monotherapy bronchodilation. METHODS: A systematic review of clinical trials investigating LABA/LAMA combination therapies was conducted...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28692683/contribution-of-molecular-analysis-to-the-typification-of-the-non-functioning-pituitary-adenomas
#14
Laura Sanchez-Tejada, Ruth Sanchez-Ortiga, Cristina Lamas, Rosa Camara, Pedro Riesgo, Carmen Fajardo, Francisco Ignacio Aranda, Antonio Pico
AIM: The WHO Classification of Tumours of Endocrine Organs considers the inmunohistochemical characterization of pituitary adenomas (PA) as mandatory for patient diagnosis. Recent advances in the knowledge of the molecular patterns of these tumours could complement this classification with gene expression profiling. METHODS: Within the context of the Spanish Molecular Registry of Pituitary Adenomas (REMAH), a multicentre clinical-basic research project, we analysed the molecular phenotype of 142 PAs with complete IHC and clinical information...
2017: PloS One
https://www.readbyqxmd.com/read/28689036/enhanced-vasculotoxic-metal-excretion-in-post-myocardial-infarction-patients-following-a-single-edetate-disodium-based-infusion
#15
Ivan A Arenas, Ana Navas-Acien, Ian Ergui, Gervasio A Lamas
Toxic metals have been associated with cardiovascular mortality and morbidity. We have hypothesized that enhanced excretion of vasculotoxic metals might explain the positive results of the Trial to Assess Chelation Therapy (TACT). The purpose of this study was to determine whether a single infusion of the edetate disodium- based infusion used in TACT led to enhanced excretion of toxic metals known to be associated with cardiovascular events. METHODS: Twenty six patients (post-MI, age > 50 years, serum creatinine ≤ 2...
July 6, 2017: Environmental Research
https://www.readbyqxmd.com/read/28684905/a-retrospective-study-to-assess-clinical-characteristics-and-time-to-initiation-of-open-triple-therapy-among-patients-with-chronic-obstructive-pulmonary-disease-newly-established-on-long-acting-mono-or-combination-therapy
#16
Douglas Mapel, François Laliberté, Melissa H Roberts, Susan R Sama, Devi Sundaresan, Dominic Pilon, Patrick Lefebvre, Mei Sheng Duh, Jeetvan Patel
INTRODUCTION: An incremental approach using open-triple therapy may improve outcomes in patients with chronic obstructive pulmonary disease (COPD). However, there is little sufficient, real-world evidence available identifying time to open-triple initiation. METHODS: This retrospective study of patients with COPD, newly initiated on long-acting muscarinic antagonist (LAMA) monotherapy or inhaled corticosteroid/long-acting β2-agonist (ICS/LABA) combination therapy, assessed baseline demographics, clinical characteristics, and exacerbations during 12 months prior to first LAMA or ICS/LABA use...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28681223/embolization-of-a-previously-excluded-symptomatic-internal-iliac-aneurysm-through-the-iliac-vein
#17
Raphaël Coscas, Pauline Fillet, Henri Lamas, Isabelle Javerliat, Olivier Goeau-Brissonniere, Marc Coggia
A 69-year-old man was referred urgently for a 58-mm enlarging painful right internal iliac artery (IIA) aneurysm. Since exclusion through proximal IIA coverage and distal IIA branches embolization had been previously performed, aneurysm sac puncture through the iliac vein was decided. The ipsilateral common femoral vein was antegradely punctured, and a 16.5 G Ross modified Colapinto needle from a transjugular intrahepatic access set was used to puncture the sac and fill the aneurysm with coils. Embolization of an IIA aneurysm through the iliac vein may represent an alternative when prior IIA aneurysm exclusion has been performed...
July 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28680642/long-lasting-response-to-oral-therapy-in-a-young-male-with-monogenic-diabetes-as-part-of-hnf1b-related-disease
#18
Elena Carrillo, Amparo Lomas, Pedro J Pinés, Cristina Lamas
Mutations in hepatocyte nuclear factor 1β gene (HNF1B) are responsible for a multisystemic syndrome where monogenic diabetes (classically known as MODY 5) and renal anomalies, mostly cysts, are the most characteristic findings. Urogenital malformations, altered liver function tests, hypomagnesemia or hyperuricemia and gout are also part of the syndrome. Diabetes in these patients usually requires early insulinization. We present the case of a young non-obese male patient with a personal history of renal multicystic dysplasia and a debut of diabetes during adolescence with simple hyperglycemia, negative pancreatic autoimmunity and detectable C-peptide levels...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28680096/negri-bodies-are-viral-factories-with-properties-of-liquid-organelles
#19
Jovan Nikolic, Romain Le Bars, Zoé Lama, Nathalie Scrima, Cécile Lagaudrière-Gesbert, Yves Gaudin, Danielle Blondel
Replication of Mononegavirales occurs in viral factories which form inclusions in the host-cell cytoplasm. For rabies virus, those inclusions are called Negri bodies (NBs). We report that NBs have characteristics similar to those of liquid organelles: they are spherical, they fuse to form larger structures, and they disappear upon hypotonic shock. Their liquid phase is confirmed by FRAP experiments. Live-cell imaging indicates that viral nucleocapsids are ejected from NBs and transported along microtubules to form either new virions or secondary viral factories...
July 5, 2017: Nature Communications
https://www.readbyqxmd.com/read/28679457/new-parasitological-findings-for-pre-hispanic-camelids
#20
V Taglioretti, M H Fugassa, D Rindel, N H Sardella
Paleoparasitological examination provides information of parasite-host associations in the past, shedding light on the geographical origin of some parasites, on the possible dispersal routes and on some of the processes that modelled the parasitic communities. The aim of the present study was to examine parasite remains present in camelid coprolites collected from the archaeological site Alero Destacamento Guardaparque, Patagonia and to discuss the paleoparasitological findings in a biogeographical and paleoecological context...
July 6, 2017: Parasitology
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