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https://www.readbyqxmd.com/read/29245157/dynamic-cellular-complexity-of-anoxygenic-phototrophic-sulfur-bacteria-in-the-chemocline-of-meromictic-lake-cadagno
#1
Francesco Danza, Nicola Storelli, Samuele Roman, Samuel Lüdin, Mauro Tonolla
The meromictic Lake Cadagno is characterized by a compact chemocline with high concentrations of anoxygenic phototrophic purple sulfur bacteria (PSB) and green sulfur bacteria (GSB). The co-occurrence of phylogenetically distant bacterial groups such as PSB and GSB in the same ecological niche, makes the chemocline of Lake Cadagno an ideal system for studying the conditions and consequences of coexistence of photosynthetic bacteria populations. In this study, we applied flow cytometry (FCM) as a fast tool to identify metabolic changes due to the production and consumption of inclusion bodies such as sulfur globules (SGBs), and follow population dynamics of closely related anoxygenic photosynthetic sulfur bacteria in their natural environment...
2017: PloS One
https://www.readbyqxmd.com/read/29245077/no-overdiagnosis-in-the-norwegian-breast-cancer-screening-program-estimated-by-combining-record-linkage-and-questionnaire-information-in-the-norwegian-women-and-cancer-study
#2
Eiliv Lund, Aurelie Nakamura, Jean-Christophe Thalabard
BACKGROUND: The Norwegian Breast Cancer Screening Program (NBCSP) was implemented across the country in 2005 and has been criticised for potential 'overdiagnosis', i.e. a breast cancer diagnosis that otherwise would not have been detected or treated in a woman's lifetime. We aimed to estimate overdiagnosis in the NBCSP based on the Norwegian Women and Cancer (NOWAC) study using both questionnaire information and record linkage information from NBCSP. METHOD: For 124,978 women aged 49-79 years from the NOWAC study, information on screened women could be cross-validated from the NBCSP database...
December 12, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29245056/subcutaneous-trastuzumab-herceptin-versus-intravenous-trastuzumab-for-the-treatment-of-patients-with-her2-positive-breast-cancer-a-time-motion-and-cost-assessment-study-in-a-lean-operating-day-care-oncology-unit
#3
Wiebren A A Tjalma, Tom Van den Mooter, Tim Mertens, Valerie Bastiaens, Manon T Huizing, Konstantinos Papadimitriou
OBJECTIVE: The subcutaneous (SC) formulation of trastuzumab represents an alternative to the intravenous (IV) infusion in the treatment of patients with HER2-positive metastatic and early breast cancer. We compared the two formulations in terms of time and cost differential. STUDY DESING: We conducted a time, motion and cost assessment study in a lean operating day care oncology unit to determine and compare the time and costs of trastuzumab SC versus IV administration in patients with HER2-positive breast cancer...
December 7, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29245022/cost-effective-way-to-reduce-stimulant-abuse-among-gay-bisexual-men-and-transgender-women-a-randomized-clinical-trial-with-a-cost-comparison
#4
S X Zhang, S Shoptaw, C J Reback, K Yadav, A M Nyamathi
OBJECTIVES: A randomized controlled study was conducted with 422 homeless, stimulant-using gay/bisexual (G/B) men and 29 transgender women (n = 451) to assess two community-based interventions to reduce substance abuse and improve health: (a) a nurse case-managed program combined with contingency management (NCM + CM) versus (b) standard education plus contingency management (SE + CM). STUDY DESIGN: Hypotheses tested included: a) completion of hepatitis A/B vaccination series; b) reduction in stimulant use; and c) reduction in number of sexual partners...
December 12, 2017: Public Health
https://www.readbyqxmd.com/read/29245003/a-quantitative-assessment-of-lip-movements-in-different-facial-expressions-through-3-dimensional-on-3-dimensional-superimposition-a-cross-sectional-study
#5
Daniele Gibelli, Marina Codari, Valentina Pucciarelli, Claudia Dolci, Chiarella Sforza
PURPOSE: The quantitative assessment of facial modifications from mimicry is of relevant interest for the rehabilitation of patients who can no longer produce facial expressions. This study investigated a novel application of 3-dimensional on 3-dimensional superimposition for facial mimicry. MATERIALS AND METHODS: This cross-sectional study was based on 10 men 30 to 40 years old who underwent stereophotogrammetry for neutral, happy, sad, and angry expressions. Registration of facial expressions on the neutral expression was performed...
November 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29244986/breast-cancer-in-ghana-demonstrating-the-need-for-population-based-cancer-registries-in-low-and-middle-income-countries
#6
Abigail S Thomas, Kelley M Kidwell, Joseph K Oppong, Ernest K Adjei, Ernest Osei-Bonsu, Angela Boahene, Evelyn Jiggae, Kofi Gyan, Sofia D Merajver
Purpose Breast cancer, the most common cancer worldwide, is the leading cause of cancer mortality in Ghanaian women. Previous studies find Ghanaian women are diagnosed at a younger age and at more advanced stages (III and IV), and have tumors with characteristics similar to African American women. We sought to remedy gaps in knowledge about breast cancer survival in Ghana and its relation to demographic and biologic factors of the tumors at diagnosis to assist in cancer control and registration planning. Methods Individuals with a breast cancer diagnosis who sought care at Komfo Anokye Teaching Hospital from 2009 to 2014 were identified via medical records...
December 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/29244985/malignancy-related-hypercalcemia-in-advanced-solid-tumors-survival-outcomes
#7
Ricardo Emanuel de Oliveira Ramos, Milena Perez Mak, Michel Fabiano Silva Alves, Gustavo Henrique Munhoz Piotto, Tiago Kenji Takahashi, Leonardo Gomes da Fonseca, Marina Cavalcanti Maroja Silvino, Paulo Marcelo Hoff, Gilberto de Castro
Purpose Malignancy-related hypercalcemia (MRH) is associated with a dismal prognosis. The widespread use of bisphosphonates (BPs), availability of more effective drugs in cancer treatment, and improvement in supportive care might have attenuated its impact. Patients and Methods To assess overall survival (OS) of patients with MRH in a contemporary setting, we conducted a retrospective analysis of 306 patients with solid cancer hospitalized for symptomatic hypercalcemia. A multivariable Cox proportional hazards regression model was performed to evaluate possible prognostic factors associated with MRH...
December 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/29244984/cancer-pathology-turnaround-time-at-queen-elizabeth-central-hospital-the-largest-referral-center-in-malawi-for-oncology-patients
#8
Leo P L Masamba, Petani E Mtonga, Linda Kalilani Phiri, Brittany L Bychkovsky
Purpose In all settings, a need exists for expedited pathology processing for patients with a suspected cancer diagnosis. In low- and middle-income countries (LMICs) with limited resources, processing pathology samples is particularly challenging, so the measurement of turnaround times (TATs) for pathology results is an important quality metric. We explored the pathology TAT for suspected cancer patients at Queen Elizabeth Central Hospital in Malawi to determine whether a difference exists when patients paid an out-of-pocket fee (paid for [PF] v nonpaid for [NPF]) to facilitate sample processing...
December 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/29244983/allogeneic-stem-cell-transplant-for-acute-myeloid-leukemia-evolution-of-an-effective-strategy-in-india
#9
Abhijeet Ganapule, Sandeep Nemani, Anu Korula, Kavitha M Lakshmi, Aby Abraham, Alok Srivastava, Poonkuzhali Balasubramanian, Biju George, Vikram Mathews
Purpose There are limited data from developing countries on the role and cost-effectiveness of allogeneic stem cell transplantation (allo-SCT) for patients with acute myeloid leukemia (AML). Patients and Methods We undertook a retrospective descriptive study of all patients with AML who underwent allo-SCT from 1994 to 2013 at our center to evaluate the clinical outcomes and cost-effectiveness of this therapeutic modality. Results Two hundred fifty-four consecutive patients, median age 34 years, who underwent allo-SCT at our center were included in this study...
December 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/29244961/time-dependent-therapeutic-roles-of-nitazoxanide-on-high-fat-diet-streptozotocin-induced-diabetes-in-rats-effects-on-hepatic-ppar-%C3%AE-receptors
#10
Samah Mohamed Elaidy, Mona A Hussain, Mohamed K El-Kherbetawy
Targeting Peroxisome Proliferator-Activated Receptor-gamma (PPAR-γ) is an approved strategy in facing insulin resistance (IR) for the diabetes mellitus (DM)-type 2. The PPAR-γ modulators display improvements in the insulin sensitizing and adverse effects of the traditional thiazolidinediones (TZDs). Nitazoxanide (NTZ) is proposed as a PPAR-γ receptor ligand, with agonistic post-transcriptional effects. Currently, NTZ-antidiabetic activities versus pioglitazone (PIO) in a high-fat diet/streptozotocin (HFD/STZ) rat model of type-2 diabetes was explored...
December 15, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29244832/productivity-impact-and-collaboration-differences-between-transdisciplinary-and-traditionally-trained-doctoral-students-a-comparison-of-publication-patterns
#11
Anna-Sigrid Keck, Stephanie Sloane, Janet M Liechty, Barbara H Fiese, Sharon M Donovan
Transdisciplinary (TD) approaches are increasingly used to address complex public health problems such as childhood obesity. Compared to traditional grant-funded scientific projects among established scientists, those designed around a TD, team-based approach yielded greater publication output after three to five years. However, little is known about how a TD focus throughout graduate school training may affect students' publication-related productivity, impact, and collaboration. The objective of this study was to compare the publication patterns of students in traditional versus TD doctoral training programs...
2017: PloS One
https://www.readbyqxmd.com/read/29244827/neuroligin-4x-overexpression-in-human-breast-cancer-is-associated-with-poor-relapse-free-survival
#12
Henry J Henderson, Balasubramanyam Karanam, Rajeev Samant, Komal Vig, Shree R Singh, Clayton Yates, Deepa Bedi
The molecular mechanisms involved in breast cancer progression and metastasis still remain unclear to date. It is a heterogeneous disease featuring several different phenotypes with consistently different biological characteristics. Neuroligins are neural cell adhesion molecules that have been implicated in heterotopic cell adhesion. In humans, alterations in neuroligin genes are implicated in autism and other cognitive diseases. Until recently, neuroligins have been shown to be abundantly expressed in blood vessels and also play a role implicated in the growth of glioma cells...
2017: PloS One
https://www.readbyqxmd.com/read/29244804/conditional-knockout-mice-for-the-distal-appendage-protein-cep164-reveal-its-essential-roles-in-airway-multiciliated-cell-differentiation
#13
Saul S Siller, Himanshu Sharma, Shuai Li, June Yang, Yong Zhang, Michael J Holtzman, Wipawee Winuthayanon, Holly Colognato, Bernadette C Holdener, Feng-Qian Li, Ken-Ichi Takemaru
Multiciliated cells of the airways, brain ventricles, and female reproductive tract provide the motive force for mucociliary clearance, cerebrospinal fluid circulation, and ovum transport. Despite their clear importance to human biology and health, the molecular mechanisms underlying multiciliated cell differentiation are poorly understood. Prior studies implicate the distal appendage/transition fiber protein CEP164 as a central regulator of primary ciliogenesis; however, its role in multiciliogenesis remains unknown...
December 15, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29244796/rsv-bronchiolitis-versus-rhinovirus-difference-in-nasal-airway-microrna-profiles-and-nf%C3%AE%C2%BAb-signaling
#14
Kohei Hasegawa, Marcos Pérez-Losada, Claire E Hoptay, Samuel Epstein, Jonathan M Mansbach, Stephen J Teach, Pedro A Piedra, Carlos A Camargo, Robert J Freishtat
BACKGROUND: Although rhinovirus infection is associated with increased risks of acute and chronic respiratory outcomes during childhood compared with respiratory syncytial virus (RSV), the underlying mechanisms remain unclear. We aimed to determine differences in nasal airway microRNA profiles and their downstream effects between infants with rhinovirus and RSV bronchiolitis. METHODS: As part of multicenter cohort study of infants hospitalized for bronchiolitis, we examined nasal samples obtained from 16 infants with rhinovirus and 16 infants with RSV...
December 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29244636/event-related-electroencephalographic-lateralizations-mark-individual-differences-in-spatial-and-nonspatial-visual-selection
#15
Iris Wiegand, Natan Napiorkowski, Thomas Töllner, Anders Petersen, Thomas Habekost, Hermann J Müller, Kathrin Finke
Selective attention controls the distribution of our visual system's limited processing resources to stimuli in the visual field. Two independent parameters of visual selection can be quantified by modeling an individual's performance in a partial-report task based on the computational theory of visual attention (TVA): (i) top-down control α, the relative attentional weighting of relevant over irrelevant stimuli, and (ii) spatial bias wλ, the relative attentional weighting of stimuli in the left versus right hemifield...
December 15, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/29244528/phase-iii-randomized-study-of-dual-human-epidermal-growth-factor-receptor-2-her2-blockade-with-lapatinib-plus-trastuzumab-in-combination-with-an-aromatase-inhibitor-in-postmenopausal-women-with-her2-positive-hormone-receptor-positive-metastatic-breast-cancer
#16
Stephen R D Johnston, Roberto Hegg, Seock-Ah Im, In Hae Park, Olga Burdaeva, Galina Kurteva, Michael F Press, Sergei Tjulandin, Hiroji Iwata, Sergio D Simon, Sarah Kenny, Severine Sarp, Miguel A Izquierdo, Lisa S Williams, William J Gradishar
Purpose Human epidermal growth factor receptor 2 (HER2) targeting plus endocrine therapy (ET) improved clinical benefit in HER2-positive, hormone receptor (HR)-positive metastatic breast cancer (MBC) versus ET alone. Dual HER2 blockade enhances clinical benefit versus single HER2 blockade. The ALTERNATIVE study evaluated the efficacy and safety of dual HER2 blockade plus aromatase inhibitor (AI) in postmenopausal women with HER2-positive/HR-positive MBC who received prior ET and prior neo(adjuvant)/first-line trastuzumab (TRAS) plus chemotherapy...
December 15, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29244525/20-year-outcomes-of-anterior-cruciate-ligament-reconstruction-with-hamstring-tendon-autograft-the-catastrophic-effect-of-age-and-posterior-tibial-slope
#17
Lucy J Salmon, Emma Heath, Hawar Akrawi, Justin P Roe, James Linklater, Leo A Pinczewski
BACKGROUND: No well-controlled studies have compared the long-term outcome of anterior cruciate ligament (ACL) reconstruction with hamstring tendon autograft between adolescents and adults. Increased posterior tibial slopes (PTSs) have been reported in the ACL-injured versus controls, but the effect of PTS on the outcome after reconstruction is relatively unexplored. PURPOSE: To compare the prospective longitudinal outcome of "isolated" ACL ruptures treated with anatomic endoscopic ACL reconstruction using hamstring tendon autograft over 20 years in adolescent and adult cohorts and to examine factors for repeat ACL injury...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29244509/fabrication-of-supramolecular-chirality-from-achiral-molecules-at-the-liquid-liquid-interface-studied-by-second-harmonic-generation
#18
Lu Lin, Zhen Zhang, Yuan Guo, Minghua Liu
We present the investigation into the supramolecular chirality of 5-octadecyloxy-2-(2-pyridylazo)phenol (PARC18) at water/1,2-dichloroethane interface by second harmonic generation (SHG). We observe that PARC18 molecules form supramolecular chirality through self-assembly at the liquid/liquid interface although they are achiral molecules. The bulk concentration of PARC18 in the organic phase has profound effects on the supramolecular chirality. By increasing bulk concentration, the enantiomeric excess at the interface firstly grows and then decreases until it eventually vanishes...
December 15, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29244272/comparison-of-perioperative-outcomes-with-or-without-renorrhaphy-during-open-partial-nephrectomy-a-propensity-score-matched-analysis
#19
Hidekazu Tachibana, Toshio Takagi, Tsunenori Kondo, Hideki Ishida, Kazunari Tanabe
PURPOSE: Renorrhaphy in partial nephrectomy may damage intraparenchymal vessels and compress the renal parenchyma, which may lead to the formation of renal artery pseudoaneurysms or vascularized parenchymal volume reduction. Using propensity score matching, we compared surgical outcomes following non-renorrhaphy and renorrhaphy techniques for open partial nephrectomy (OPN) for T1a renal tumors. MATERIALS AND METHODS: We retrospectively analyzed data from 159 patients with normal contralateral kidneys who underwent OPN for T1a renal tumors and pre- and postoperative enhanced computed tomography between 2012 and 2015...
December 18, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29244264/personality-traits-and-anxiety-and-depressive-disorders-in-patients-with-medication-overuse-headache-versus-episodic-migraine
#20
Nima Mohseni, Mansooreh Togha, Seyed Masoud Arzaghi, Sepideh Nekooie, Mehrnaz Fallah Tafti, Farzad Fatehi
Objective: An episodic migraine (EM) may lead to medication-overuse headache (MOH), an abnormal behavioral pattern of noncompliance. Anxiety disorders, mood disorders, and disorders caused by psychoactive substances other than analgesics all have been reported with MOH at higher rates than with EM. The objective of this study was to evaluate the relationships between personality traits and anxiety and depressive disorders and headache type. Methods: In this cross-sectional study, 55 patients with EM and 50 patients with MOH were recruited from were recruited from 2 university hospital clinics in Tehran, Iran, from January 2013 to November 2015...
December 14, 2017: Primary Care Companion to CNS Disorders
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