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https://www.readbyqxmd.com/read/28110506/antibiotic-discovery-throughout-the-small-world-initiative-a-molecular-strategy-to-identify-biosynthetic-gene-clusters-involved-in-antagonistic-activity
#1
Elizabeth Davis, Tyler Sloan, Krista Aurelius, Angela Barbour, Elijah Bodey, Brigette Clark, Celeste Dennis, Rachel Drown, Megan Fleming, Allison Humbert, Elizabeth Glasgo, Trent Kerns, Kelly Lingro, MacKenzie McMillin, Aaron Meyer, Breanna Pope, April Stalevicz, Brittney Steffen, Austin Steindl, Carolyn Williams, Carmen Wimberley, Robert Zenas, Kristen Butela, Hans Wildschutte
The emergence of bacterial pathogens resistant to all known antibiotics is a global health crisis. Adding to this problem is that major pharmaceutical companies have shifted away from antibiotic discovery due to low profitability. As a result, the pipeline of new antibiotics is essentially dry and many bacteria now resist the effects of most commonly used drugs. To address this global health concern, citizen science through the Small World Initiative (SWI) was formed in 2012. As part of SWI, students isolate bacteria from their local environments, characterize the strains, and assay for antibiotic production...
January 22, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28110449/membrane-fluidity-controls-redox-regulated-cold-stress-responses-in-cyanobacteria
#2
Eugene G Maksimov, Kirill S Mironov, Marina S Trofimova, Natalya L Nechaeva, Daria A Todorenko, Konstantin E Klementiev, Georgy V Tsoraev, Eugene V Tyutyaev, Anna A Zorina, Pavel V Feduraev, Suleyman I Allakhverdiev, Vladimir Z Paschenko, Dmitry A Los
Membrane fluidity is the important regulator of cellular responses to changing ambient temperature. Bacteria perceive cold by the transmembrane histidine kinases that sense changes in thickness of the cytoplasmic membrane due to its rigidification. In the cyanobacterium Synechocystis, about a half of cold-responsive genes is controlled by the light-dependent transmembrane histidine kinase Hik33, which also partially controls the responses to osmotic, salt, and oxidative stress. This implies the existence of some universal, but yet unknown signal that triggers adaptive gene expression in response to various stressors...
January 21, 2017: Photosynthesis Research
https://www.readbyqxmd.com/read/28110373/experiences-with-surgically-treated-primary-or-secondary-hepatic-sarcoma
#3
René Fahrner, Sandra G C Dennler, Felix Dondorf, Michael Ardelt, Falk Rauchfuss, Utz Settmacher
PURPOSE: Liver resection in hepatic sarcoma is rare, but other alternative treatment options are scarce. Surgery offers the only aggressive approach to achieve a tumour-free state. The aim of this investigation was to evaluate the outcome and survival of these patients at a single hepato-biliary university hospital. METHODS: Between January 2004 and July 2013, 896 anatomical liver resections were performed. Eleven liver resections (1.2%) were performed due to primary hepatic sarcoma or hepatic sarcoma metastases...
January 21, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28110290/guided-and-unguided-internet-based-vestibular-rehabilitation-versus-usual-care-for-dizzy-adults-of-50%C3%A2-years-and-older-a-protocol-for-a-three-armed-randomised-trial
#4
Vincent A van Vugt, Johannes C van der Wouden, Judith E Bosmans, Martin Smalbrugge, Willianne van Diest, Rosie Essery, Lucy Yardley, Henriëtte E van der Horst, Otto R Maarsingh
INTRODUCTION: Dizziness is a common symptom in general practice with a high prevalence among older adults. The most common cause of dizziness in general practice is peripheral vestibular disease. Vestibular rehabilitation (VR) is a safe and effective treatment for peripheral vestibular disease that entails specific exercises to maximise the central nervous system compensation for the effects of vestibular pathology. An internet-based VR intervention has recently been shown to be safe and effective...
January 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28110265/comparative-effectiveness-of-two-disparate-policies-on-child-health-experimental-evidence-from-the-philippines
#5
John W Peabody, Stella Quimbo, Jhiedon Florentino, Riti Shimkhada, Xylee Javier, David Paculdo, Dean Jamison, Orville Solon
BACKGROUND  : Should health systems invest more in access to care by expanding insurance coverage or in health care services including improving the quality of care? Comparing these options experimentally would shed light on the impact and cost-effectiveness of these strategies. METHODS  : The Quality Improvement Demonstration Study (QIDS) was a randomized policy experiment conducted across 30 districts in the Philippines. The study had a control group and two policy intervention groups intended to improve the health of young children...
January 20, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28110152/is-the-bias-for-function-based-explanations-culturally-universal-children-from-china-endorse-teleological-explanations-of-natural-phenomena
#6
Adena Schachner, Liqi Zhu, Jing Li, Deborah Kelemen
Young children in Western cultures tend to endorse teleological (function-based) explanations broadly across many domains, even when scientifically unwarranted. For instance, in contrast to Western adults, they explicitly endorse the idea that mountains were created for climbing, just like hats were created for warmth. Is this bias a product of culture or a product of universal aspects of human cognition? In two studies, we explored whether adults and children in Mainland China, a highly secular, non-Western culture, show a bias for teleological explanations...
January 19, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28110137/marijuana-protective-behavioral-strategies-as-a-moderator-of-the-effects-of-risk-protective-factors-on-marijuana-related-outcomes
#7
Adrian J Bravo, Amber M Anthenien, Mark A Prince, Matthew R Pearson
Given that both marijuana use and cannabis use disorder peak among college students, it is imperative to determine the factors that may reduce risk of problematic marijuana use and/or the development of cannabis use disorder. From a harm reduction perspective, the present study examined whether the use of marijuana protective behavioral strategies (PBS) buffers or amplifies the effects of several distinct risk and protective factors that have been shown to relate to marijuana-related outcomes (i.e., use frequency and consequences)...
January 8, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28110110/trauma-appraisals-emotion-regulation-difficulties-and-self-compassion-predict-posttraumatic-stress-symptoms-following-childhood-abuse
#8
M Rose Barlow, Rachel E Goldsmith Turow, James Gerhart
Experiencing traumatic events and abuse is unfortunately common in general, non-clinical samples. Recent research indicates that the ways in which individuals interpret traumatic experiences, as well as the ways that they manage challenging emotions in general, may statistically predict post-traumatic stress disorder (PTSD) symptoms to a greater extent than does trauma itself. Negative trauma appraisals, generalized emotion regulation (ER) difficulties, and low levels of self-compassion have each been shown to influence the connection between trauma exposure and subsequent PTSD symptoms...
January 18, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28110084/maternal-depression-and-family-adversity-linked-pathways-to-offspring-depression
#9
Jake M Najman, M Plotnikova, G M Williams, R Alati, A A Mamun, J Scott, A M Clavarino, N Wray
There is conflicting evidence about the contribution of maternal depression and family adversity to depression experienced by offspring. Because maternal depression and family adversity are related, there is a need to determine how they independently contribute to offspring depression. Data are from a long-running prospective birth cohort study (Mater-University of Queensland Study of Pregnancy and its outcomes - MUSP). For this study some 2200 offspring were followed up at 30 years of age. We first examine the association between maternal depression and family adversity over the period from the pregnancy to the child reaching adulthood...
January 10, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28109998/impact-of-mean-arterial-pressure-on-clinical-outcomes-in-comatose-survivors-of-out-of-hospital-cardiac-arrest-insights-from-the-university-of-ottawa-heart-institute-regional-cardiac-arrest-registry-capital-care
#10
Juan J Russo, Tyler E James, Benjamin Hibbert, Altayyeb Yousef, Christina Osborne, George A Wells, Michael P V Froeschl, Derek Y So, Aun Yeong Chong, Marino Labinaz, Chris A Glover, Jean-François Marquis, Alexander Dick, Jordan Bernick, Michel R Le May
AIM: of the study We sought to assess the relationship between mean arterial pressure (MAP) and clinical outcomes in comatose survivors of out-of-hospital cardiac arrest (OHCA). METHODS: We identified consecutive comatose survivors of OHCA with an initial shockable rhythm treated with targeted temperature management. We examined clinical outcomes in relation to mean MAP (measured hourly) during the first 96hours of hospitalization. Mean MAP was examined as both a continuous variable and a categorical variable consisting of 3 pre-specified strata: <70mmHg, 70 to <80mmHg, and ≥80mmHg...
January 18, 2017: Resuscitation
https://www.readbyqxmd.com/read/28109957/adoptive-transfer-of-mrna-transfected-t-cells-redirected-against-diabetogenic-cd8%C3%A2-t-cells-can-prevent-diabetes
#11
Sigal Fishman, Mark D Lewis, L Khai Siew, Evy De Leenheer, Dimitri Kakabadse, Joanne Davies, Doron Ziv, Alon Margalit, Nathan Karin, Gideon Gross, F Susan Wong
Chimeric major histocompatibility complex (MHC) molecules supplemented with T cell receptor (TCR) signaling motifs function as activation receptors and can redirect gene-modified T cells against pathogenic CD8 T cells. We have shown that β2 microglobulin (β2m) operates as a universal signaling component of MHC-I molecules when fused with the CD3-ζ chain. Linking the H-2K(d)-binding insulin B chain peptide insulin B chain, amino acids 15-23 (InsB15-23) to the N terminus of β2m/CD3-ζ, redirected polyclonal CD8 T cells against pathogenic CD8 T cells in a peptide-specific manner in the non-obese diabetic (NOD) mouse...
January 18, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28109895/pilot-study-of-the-mirabilis-system-prototype-for-rapid-noninvasive-uterine-fibroid-treatment-using-an-ultrasound-guided-volumetric-shell-ablation-technique
#12
Jessica E Parsons, Michael P H Lau, Patrick J Martin, Joel J Islas Lagos, Juan M Aguilar Aguirre, José G Garza Leal
STUDY OBJECTIVE: The primary objective of this pilot study was to evaluate the safety and acute tissue ablation efficacy of a transabdominal high-intensity focused ultrasound (HIFU) prototype device that uses ultrasound imaging guidance for rapid noninvasive ablation of uterine fibroids. The secondary objective was to assess preliminary fibroid-related symptom improvement and fibroid volume reduction at 3 - 6 months post-treatment in subsets of patients. DESIGN: Multi-center prospective single-arm pilot study (Canadian Task Force Classification II-2) SETTING: University-affiliated teaching hospital and private community hospital PATIENTS: Women with a diagnosis of symptomatic uterine fibroids planning to undergo hysterectomy INTERVENTIONS: Seventy-three (73) women underwent transabdominal ultrasound-guided HIFU treatment using a volumetric ablation technique referred to as 'shell ablation,' in which the HIFU energy is deposited in patterns that partially encapsulate the peripheral region of the targeted fibroid(s)...
January 18, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28109869/outcomes-infectiousness-and-transmission-dynamics-of-patients-with-extensively-drug-resistant-tuberculosis-and-home-discharged-patients-with-programmatically-incurable-tuberculosis-a-prospective-cohort-study
#13
Keertan Dheda, Jason D Limberis, Elize Pietersen, Jody Phelan, Aliasgar Esmail, Maia Lesosky, Kevin P Fennelly, Julian Te Riele, Barbara Mastrapa, Elizabeth M Streicher, Tania Dolby, Abdallah M Abdallah, Fathia Ben-Rached, John Simpson, Liezel Smith, Tawanda Gumbo, Paul van Helden, Frederick A Sirgel, Ruth McNerney, Grant Theron, Arnab Pain, Taane G Clark, Robin M Warren
BACKGROUND: The emergence of programmatically incurable tuberculosis threatens to destabilise control efforts. The aim of this study was to collect prospective patient-level data to inform treatment and containment strategies. METHODS: In a prospective cohort study, 273 South African patients with extensively drug-resistant tuberculosis, or resistance beyond extensively drug-resistant tuberculosis, were followed up over a period of 6 years. Transmission dynamics, infectiousness, and drug susceptibility were analysed in a subset of patients from the Western Cape using whole-genome sequencing (WGS; n=149), a cough aerosol sampling system (CASS; n=26), and phenotypic testing for 18 drugs (n=179)...
January 18, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28109733/course-of-participation-after-subarachnoid-hemorrhage
#14
Elize M Kruisheer, Irene M C Huenges Wajer, Johanna M A Visser-Meily, Marcel W M Post
OBJECTIVES: The study aimed to investigate participation problems in patients with subarachnoid hemorrhage (SAH), and the course of participation between 3 and 12 months post-SAH, and to identify determinants of this course. DESIGN: This is a prospective cohort study. SETTING: The study was done in the SAH outpatient clinic at the University Medical Center Utrecht. SUBJECTS: Subjects included patients independent in activities of daily living who visited the SAH outpatient clinic for a routine follow-up visit 3 months after the event...
January 18, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28109732/the-unified-model-of-vegetarian-identity-a-conceptual-framework-for-understanding-plant-based-food-choices
#15
Daniel L Rosenfeld, Anthony L Burrow
By departing from social norms regarding food behaviors, vegetarians acquire membership in a distinct social group and can develop a salient vegetarian identity. However, vegetarian identities are diverse, multidimensional, and unique to each individual. Much research has identified fundamental psychological aspects of vegetarianism, and an identity framework that unifies these findings into common constructs and conceptually defines variables is needed. Integrating psychological theories of identity with research on food choices and vegetarianism, this paper proposes a conceptual model for studying vegetarianism: The Unified Model of Vegetarian Identity (UMVI)...
January 18, 2017: Appetite
https://www.readbyqxmd.com/read/28109703/investigation-of-anogenital-distance-as-a-diagnostic-tool-in-endometriosis
#16
Maria L Sánchez-Ferrer, Jaime Mendiola, Raquel Jiménez-Velázquez, Laura Cánovas-López, Shiana Corbalán-Biyang, Ana I Hernández-Peñalver, Ana Carmona-Barnosi, Ana B Maldonado-Cárceles, Maria T Prieto-Sánchez, Francisco Machado-Linde, Anibal Nieto, Alberto M Torres-Cantero
An association between anogenital distance (AGD) and endometriosis has been reported, suggesting that AGD may be a useful clinical tool in endometriosis. The predictive ability of AGD of women in discriminating presence and type of endometriosis was examined. A case-control study was conducted at the University Hospital 'Virgen de la Arrixaca', Murcia, Spain, between 2014 and 2015. A total of 114 participants diagnosed with endometriosis using ultrasound findings and 105 controls were recruited. Two AGD measurements were obtained: one from the anterior clitoral surface to the upper verge of the anus (AGDAC), and another one from the posterior fourchette to the upper verge of the anus (AGDAF)...
January 10, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28109589/effects-of-precalving-body-condition-and-prepartum-feeding-level-on-gene-expression-in-circulating-neutrophils
#17
M A Crookenden, C G Walker, A Heiser, A Murray, V S R Dukkipati, J K Kay, S Meier, K M Moyes, M D Mitchell, J J Loor, J R Roche
Extensive metabolic, physiological, and immunological changes are associated with calving and the onset of lactation. As a result, cows transitioning between pregnancy and lactation are at a greater risk of metabolic and infectious diseases. The ability of neutrophils to mount an effective immune response to an infection is critical for its resolution, and increasing evidence indicates that precalving nutrition affects postpartum neutrophil function. The objectives of the current study were to investigate the effect of 2 precalving body condition scores (BCS; 4 vs...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109504/mutational-analysis-of-gsc-hoxa2-and-prkra-in-106-chinese-patients-with-microtia
#18
Shaojuan Hao, Lei Jin, Chenlong Li, Huijun Wang, Fengyun Zheng, Duan Ma, Tianyu Zhang
OBJECTIVE: Microtia is defined as a developmental malformation characterized by a small, abnormal shaped auricle, with atresia or stenosis of the auditory canal. Genes responsible for nonsyndromic microtia have remained elusive. We therefore report a mutational analysis of GSC, HOXA2 and PRKRA in 106 congenital microtia patients without any combined malformation to explore the relationship between GSC, HOXA2, PRKRA and nonsyndromic microtia. METHODS: A total of 106 patients with a clinical diagnosis of congenital microtia and a control group (100 unaffected controls) were recruited through the Eye and ENT Hospital of Fudan University in China...
February 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28109489/impact-of-environmental-volatile-organic-compounds-on-otitis-media-in-children-correlation-between-exposure-and-urinary-metabolites
#19
So Young Kim, Bu-Soon Son, Hee-Jin Park, Seung Ha Oh, Jun Ho Lee, Myung-Hwan Suh, Moo Kyun Park
INTRODUCTION: Volatile organic compounds (VOCs) induce inflammatory responses. Tobacco smoke contains numerous VOCs and is a risk factor for otitis media effusion (OME); however, no previous studies have investigated the association between VOCs and OME. OBJECTIVES: We used urinary metabolites and exposure to environmental risk factors to investigate the association between VOC and polycyclic aromatic hydrocarbon exposure and recurrent OME in children. METHODS: Children with recurrent OME who visited the Otorhinolaryngology Department of Seoul National University Hospital between November 2014 and June 2015 were prospectively enrolled in the study...
February 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28109477/clinical-outcomes-following-cochlear-implantation-in-children-with-inner-ear-anomalies
#20
Amal Isaiah, Daniel Lee, Felicity Lenes-Voit, Melissa Sweeney, Walter Kutz, Brandon Isaacson, Peter Roland, Kenneth H Lee
OBJECTIVE: A significant proportion of children with congenital hearing loss who are candidates for cochlear implants (CIs) may have inner ear malformations (IEMs). Surgical and speech outcomes following CI in these children have not been widely reported. METHODS: The charts of children who were evaluated for a CI between 1/1/1986 and 12/31/2014 at a university-based tertiary level pediatric cochlear implant center were reviewed. Principal inclusion criteria included (i) age 1-18 years, (ii) history of bilateral severe to profound sensorineural hearing loss, and (iii) limited benefit from binaural amplification...
February 2017: International Journal of Pediatric Otorhinolaryngology
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