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https://www.readbyqxmd.com/read/28432014/trem2-ligand-interactions-in-health-and-disease
#1
REVIEW
Daniel L Kober, Tom J Brett
The protein Triggering receptor expressed on myeloid cells-2 (TREM2) is an immunomodulatory receptor with a central role in myeloid cell activation and survival. In recent years, the importance of TREM2 has been highlighted by the identification of coding variants that increase risk for Alzheimer's disease and other neurodegenerative diseases. Animal studies have further shown the importance of TREM2 in neurodegenerative and other inflammatory disease models including chronic obstructive pulmonary disease, multiple sclerosis, and stroke...
April 18, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28431134/floral-transitions-in-wheat-and-barley-interactions-between-photoperiod-abiotic-stresses-and-nutrient-status
#2
Leonard Gol, Filipa Tomé, Maria von Korff
The timing of plant reproduction has a large impact on yield in crop plants. Reproductive development in temperate cereals comprises two major developmental transitions. During spikelet initiation, the identity of the shoot meristem switches from the vegetative to the reproductive stage and spikelet primordia are formed on the apex. Subsequently, floral morphogenesis is initiated, a process strongly affected by environmental variation. Recent studies in cereal grasses have suggested that this later phase of inflorescence development controls floret survival and abortion, and is therefore crucial for yield...
April 20, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28431121/starbeast2-brings-faster-species-tree-inference-and-accurate-estimates-of-substitution-rates
#3
Huw A Ogilvie, Remco R Bouckaert, Alexei J Drummond
Fully Bayesian multispecies coalescent (MSC) methods like *BEAST estimate species trees from multiple sequence alignments. Today thousands of genes can be sequenced for a given study, but using that many genes with *BEAST is intractably slow. An alternative is to use heuristic methods which compromise accuracy or completeness in return for speed. A common heuristic is concatenation, which assumes that the evolutionary history of each gene tree is identical to the species tree. This is an inconsistent estimator of species tree topology, a worse estimator of divergence times, and induces spurious substitution rate variation when incomplete lineage sorting is present...
April 14, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28431098/egg-production-and-egg-quality-in-free-range-laying-hens-housed-at-different-outdoor-stocking-densities1
#4
D L M Campbell, C Lee, G N Hinch, J R Roberts
Free-range laying hen systems are increasing in number within Australia. Variation in outdoor stocking densities has led to development of a national information standard on free-range egg labeling, including setting a maximum density of 10,000 hens per hectare. However, there are few data on the impacts of differing outdoor densities on production and egg quality. ISA Brown hens in small (150 hens) flocks were housed in identical indoor pens, each with access (from 21 weeks) to different sized ranges simulating one of three outdoor stocking densities (2 replicates each: 2,000 hens/hectare (ha), 10,000 hens/ha, 20,000 hens/ha)...
April 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28431025/1h-magnetic-resonance-spectroscopy-of-live-human-sperm
#5
S Reynolds, S J Calvert, M N Paley, A A Pacey
STUDY QUESTION: Can 1H Magnetic Resonance Spectroscopy (MRS) be used to obtain information about the molecules and metabolites in live human spermatozoa? SUMMARY ANSWER: Percoll-based density gradient centrifugation (DGC) followed by a further two washing steps, yielded enough sperm with minimal contamination (<0.01%) from seminal fluid to permit effective MRS which detected significant differences (p < 0.05) in the choline/glycerophosphocholine, lipid and lactate regions of the 1H MRS spectrum between sperm in the pellet and those from the 40/80% interface...
April 18, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28430780/the-importance-of-standardization-for-biodiversity-comparisons-a-case-study-using-autonomous-reef-monitoring-structures-arms-and-metabarcoding-to-measure-cryptic-diversity-on-mo-orea-coral-reefs-french-polynesia
#6
Emma Ransome, Jonathan B Geller, Molly Timmers, Matthieu Leray, Angka Mahardini, Andrianus Sembiring, Allen G Collins, Christopher P Meyer
The advancement of metabarcoding techniques, declining costs of high-throughput sequencing and development of systematic sampling devices, such as autonomous reef monitoring structures (ARMS), have provided the means to gather a vast amount of diversity data from cryptic marine communities. However, such increased capability could also lead to analytical challenges if the methods used to examine these communities across local and global scales are not standardized. Here we compare and assess the underlying biases of four ARMS field processing methods, preservation media, and current bioinformatic pipelines in evaluating diversity from cytochrome c oxidase I metabarcoding data...
2017: PloS One
https://www.readbyqxmd.com/read/28430577/synthetic-lethal-interaction-between-the-tumour-suppressor-stag2-and-its-paralog-stag1
#7
Lorena Benedetti, Matteo Cereda, LeeAnn Monteverde, Nikita Desai, Francesca D Ciccarelli
Cohesin is a multi-protein complex that tethers sister chromatids during mitosis and mediates DNA repair, genome compartmentalisation and regulation of gene expression. Cohesin subunits frequently acquire cancer loss-of-function alterations and act as tumour suppressors in several tumour types. This has led to increased interest in cohesin as potential target in anti-cancer therapy. Here we show that the loss-of-function of STAG2, a core component of cohesin and an emerging tumour suppressor, leads to synthetic dependency of mutated cancer cells on its paralog STAG1...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430568/reflection-based-learning-for-professional-ethical-formation
#8
William T Branch, Maura George
One way practitioners learn ethics is by reflecting on experience. They may reflect in the moment (reflection-in-action) or afterwards (reflection-on-action). We illustrate how a teaching clinician may transform relationships with patients and teach person-centered care through reflective learning. We discuss reflective learning pedagogies and present two case examples of our preferred method, guided group reflection using narratives. This method fosters moral development alongside professional identity formation in students and advanced learners...
April 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28430404/understanding-asexual-identity-as-a-means-to-facilitate-culturally-competent-care-a-systematic-literature-review
#9
REVIEW
Catriona Jones, Mark Hayter, Julie Jomeen
AIMS AND OBJECTIVES: This paper aims to provide a contemporary overview of asexuality and the implications this has for health care practice. BACKGROUND: Individuals belonging to sexual minority groups face many barriers in accessing appropriate health care. The term 'sexual minority group' is usually used to refer to Lesbian Gay Bisexual and Transgender (LGBT) individuals. Anecdotal and research evidence suggests that those who identify as asexual have similar poor experiences...
April 21, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28430013/barriers-to-access-to-sterile-syringes-as-perceived-by-pharmacists-and-injecting-drug-users-implications-for-harm-reduction-in-lebanon
#10
Ali Ghaddar, Karine Nassar, Ghadier Elsoury
BACKGROUND: Access to sterile syringes to injecting drug users (IDU) reduces sharing behavior and prevents the transmission of HIV. OBJECTIVES: To describe the barriers to access to sterile syringes for IDUs in Lebanon from the perspectives of pharmacists and IDUs. METHODS: in this qualitative study conducted in Lebanon, data were collected from 72 syringe purchase tests at pharmacies, 64 interviewees with pharmacists and 2 focus groups with injecting drug users...
April 21, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28428794/fine-mapping-of-a-novel-defective-glume-1-dg1-mutant-which-affects-vegetative-and-spikelet-development-in-rice
#11
Haiping Yu, Banpu Ruan, Zhongwei Wang, Deyong Ren, Yu Zhang, Yujia Leng, Dali Zeng, Jiang Hu, Guangheng Zhang, Li Zhu, Zhenyu Gao, Guang Chen, Longbiao Guo, Wenfu Chen, Qian Qian
In cereal crops, vegetative and spikelet development play important roles in grain yield and quality, but the genetic mechanisms that control vegetative and spikelet development remain poorly understood in rice. Here, we identified a new rice mutant, defective glume 1 (dg1) mutant from cultivar Zhonghua11 after ethyl methanesulfonate treatment. The dg1 mutant displayed the dwarfism with small, rolled leaves, which resulted from smaller cells and more bulliform cells. The dg1 mutant also had an enlarged leaf angle and defects in brassinosteroid signaling...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28427890/attentive-pointing-in-natural-scenes-correlates-with-other-measures-of-attention
#12
Daniel M Jeck, Michael Qin, Howard Egeth, Ernst Niebur
Finger pointing is a natural human behavior frequently used to draw attention to specific parts of sensory input. Since this pointing behavior is likely preceded and/or accompanied by the deployment of attention by the pointing person, we hypothesize that pointing can be used as a natural means of providing self-reports of attention and, in the case of visual input, visual salience. We here introduce a new method for assessing attentional choice by asking subjects to point to and tap the first place they look at on an image appearing on an electronic tablet screen...
April 17, 2017: Vision Research
https://www.readbyqxmd.com/read/28427659/synergistic-extraction-of-gold-from-the-refractory-gold-ore-via-ultrasound-and-chlorination-oxidation
#13
Likang Fu, Libo Zhang, Shixing Wang, Wei Cui, Jinhui Peng
A synergistic extraction method for gold from the refractory gold ores via ultrasound and chlorination-oxidation was developed. The effects of solid-liquid ratio, extraction time, ultrasound power, NaClO concentration and NaOH concentration on the extraction rate of gold from the refractory gold ore were investigated. The optimum conditions were as follows: NaClO concentration of 1.5mol/L, NaOH concentration of 1.5mol/L, solid-liquid ratio of 5, ultrasound power of 200W and ultrasound time of 2h. Under the optimal conditions, 68...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28427157/the-anti-tumor-efficacy-of-3c23k-a-glyco-engineered-humanized-anti-misrii-antibody-in-an-ovarian-cancer-model-is-mainly-mediated-by-engagement-of-immune-effector-cells
#14
Pauline Estupina, Alexandre Fontayne, Jean-Marc Barret, Nathalie Kersual, Olivier Dubreuil, Marion Le Blay, Alexandre Pichard, Marta Jarlier, Martine Pugnière, Maëva Chauvin, Thierry Chardès, Jean-Pierre Pouget, Emmanuel Deshayes, Alexis Rossignol, Toufik Abache, Christophe de Romeuf, Aurélie Terrier, Lucie Verhaeghe, Christine Gaucher, Jean-François Prost, André Pèlegrin, Isabelle Navarro-Teulon
Ovarian cancer is the leading cause of death in women with gynecological cancers and despite recent advances, new and more efficient therapies are crucially needed. Müllerian Inhibiting Substance type II Receptor (MISRII, also named AMHRII) is expressed in most ovarian cancer subtypes and is a novel potential target for ovarian cancer immunotherapy. We previously developed and tested 12G4, the first murine monoclonal antibody (MAb) against human MISRII. Here, we report the humanization, affinity maturation and glyco-engineering steps of 12G4 to generate the Fc-optimized 3C23K MAb, and the evaluation of its in vivo anti-tumor activity...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426536/exploring-the-interaction-between-nursing-decision-making-and-patient-outcomes-in-2-european-cancer-centers-a-qualitative-study
#15
Dario Valcarenghi, Annamaria Bagnasco, Giuseppe Aleo, Gianluca Catania, Milko Zanini, Bruno Cavaliere, Franco Carnevale, Loredana Sasso
BACKGROUND: In some clinical settings, nurses have difficulty describing the outcomes of their caring activities. Understanding the reasons for this could help nurse leaders to improve the effectiveness and visibility of nursing practice and safeguard nurses' working conditions. OBJECTIVE: The aims of this study were to understand how nurses working in 2 different adult cancer centers make healthcare decisions and assess the respective outcomes on their patients...
April 20, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28426232/glycine-substitution-reduces-antimicrobial-activity-and-helical-stretch-of-dipgla-h-in-lipid-micelles
#16
Marc-Antoine Sani, Catharina Saenger, Davor Juretic, Frances Separovic
With the rise in antibiotic resistance, antimicrobial peptides (AMPs) show promise for therapeutic development but higher specificity is required. PGLa-H is a naturally occurring decapeptide, reported to have moderate antibacterial activity and low hemolytic activity, with its sequence being identical to the C-terminal fragment of highly selective AMP, PGLa. DiPGLa-H, a sequential tandem repeat of PGLa-H, as well as Kiadin, an analogue with a Val to Gly substitution at position 15, display improved in vitro bactericidal activity against both Gram-negative and Gram-positive pathogens, with generally low toxicity for human cells...
April 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28425891/teaching-psychology-in-medicine-the-context-methodologies-and-doctor-s-professional-identity
#17
REVIEW
Silvia Ouakinin
INTRODUCTION: Teaching Psychology in medical curriculum has been the subject of numerous dissertations that focus on the relevance of this knowledge for doctors, at a general level. METHODS: A non-systematic review of the relevant literature, particularly from the last decade, as well as national and international recommendations addressing the need for integration of behavioural and social sciences in medical training, was performed. RESULTS: The literature supports the existence of preconceptions and negative attitudes towards the role of psychology in medical education, demonstrated by research in various european and american universities...
December 30, 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28425741/development-of-identity-clarity-and-content-in-adulthood
#18
Jennifer Lodi-Smith, Seth M Spain, Kimberly Cologgi, Brent W Roberts
The current research examines self-concept clarity over 2 assessment points with the aims of establishing patterns of stability and change in self-concept clarity across adulthood, modeling corollary changes in traits and health-related role limitations, and demonstrating the ways in which gender and age moderate these patterns. Within this sample of 461 adults age 19-86 years of age, self-concept clarity had robust rank-order stability and no significant mean-level change during a 3-year assessment window...
May 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/28425318/exploring-families-experiences-of-health-contributions-to-a-model-of-family-health
#19
Sarah L Smith, Beth DeGrace, Carrie Ciro, Ami Bax, Andrea Hambrick, Jennifer James, Alexandra Evans
Child health and developmental outcomes are influenced by the health of the family and the context created. Research suggests symptoms of poor family health (e.g. suboptimal family interactions, parenting stress) yet there is limited understanding of the factors which contribute to robust family health which may unveil opportunities for targeted intervention and family health promotion. The present study examined families' experiences of family health and factors contributing to family health. We performed a qualitative study using constructivist grounded theory methods to guide our understanding of family health for families with typically developing children aged 5-18...
April 20, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28425194/unlocking-the-limitations-living-with-chronic-obstructive-pulmonary-disease-and-receiving-care-through-telemedicine-a-phenomenological-study
#20
Tina Lien Barken, Elin Thygesen, Ulrika Söderhamn
AIMS AND OBJECTIVES: The aim of this study was to describe the lived experiences of quality of life among a group of patients living with chronic obstructive pulmonary disease (COPD) who were included in a telemedical intervention after hospitalization for disease exacerbation. BACKGROUND: Patients with COPD have high symptom burden, poor control of symptoms, and a need for greater requirements in care. Telemedicine (TM) can provide benefits for patients with COPD by improving self-management...
April 20, 2017: Journal of Clinical Nursing
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