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https://www.readbyqxmd.com/read/28734986/exogenous-hedgehog-antagonist-delays-but-does-not-prevent-fracture-healing-in-young-mice
#1
Xiaochen Liu, Jennifer A McKenzie, Clayton W Maschhoff, Michael J Gardner, Matthew J Silva
Fracture healing recapitulates many aspects of developmental osteogenesis. The hedgehog (Hh) signaling pathway, essential to skeletal development, is upregulated during fracture healing, although its importance is unclear. Our goal was to assess the functional importance of Hh signaling in endochondral fracture healing. We created closed, transverse diaphyseal femur fractures in mice, stabilized with an intramedullary pin, and administered a systemic Hh inhibitor or vehicle. Because Hh pathway activation is mediated by the receptor Smoothened (Smo), we used the Smo antagonist GDC-0449 (GDC, 50mg/kg, twice daily) to target the pathway...
July 19, 2017: Bone
https://www.readbyqxmd.com/read/28734688/ptgs2-down-regulation-in-cumulus-cells-of-infertile-women-with-endometriosis
#2
Caroline M da Luz, Michele G da Broi, Flávia Cappello Donabela, Cláudia Cristina Paro de Paz, Juliana Meola, Paula A Navarro
A deleterious effect of endometriosis on oocyte quality has been proposed. Evidence suggests that cumulus cells could be used as indirect biomarkers of oocyte quality. The PTGS2 gene, which encodes cyclooxygenase 2 (COX-2), is deregulated in endometriotic lesions and plays a crucial role in the acquisition of oocyte competence. To date, research evaluating PTGS2 expression in cumulus cells of infertile patients with endometriosis has not been conducted. The aim this study was to compare the expression levels of PTGS2 in cumulus cells of infertile women, with and without endometriosis, undergoing ovarian stimulation for intracytoplasmic sperm injection (ICSI)...
July 10, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28734609/reinforcements-in-avian-wing-bones-experiments-analysis-and-modeling
#3
E Novitskaya, C J Ruestes, M M Porter, V A Lubarda, M A Meyers, J McKittrick
Almost all species of modern birds are capable of flight; the mechanical competency of their wings and the rigidity of their skeletal system evolved to enable this outstanding feat. One of the most interesting examples of structural adaptation in birds is the internal structure of their wing bones. In flying birds, bones need to be sufficiently strong and stiff to withstand forces during takeoff, flight, and landing, with a minimum of weight. The cross-sectional morphology and presence of reinforcing structures (struts and ridges) found within bird wing bones vary from species to species, depending on how the wings are utilized...
July 14, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28734489/the-mediating-effect-of-self-reflection-and-learning-effectiveness-on-clinical-nursing-performance-in-nursing-students-a-follow-up-study
#4
Hsiang-Chu Pai, Hui-Ling Ko, Cheng-Joo Eng, Wen-Jiuan Yen
The effectiveness of simulation learning and the effects of anxiety in the simulated situation have been understudied. In addition, research on the association between learning effectiveness and students' clinical care performance in the hospital setting is very limited in Taiwan. The aim of this study is to examine the mediating effect of self-reflection and simulation learning effectiveness on the clinical nursing performance of nursing students. A Prospective, longitudinal, and correlational design was used...
July 2017: Journal of Professional Nursing: Official Journal of the American Association of Colleges of Nursing
https://www.readbyqxmd.com/read/28734457/total-lower-lip-and-chin-reconstruction-with-radial-forearm-free-flap-a-novel-approach
#5
Eliza H Dewey, Ansley M Roche, Cathy L Lazarus, Mark L Urken
BACKGROUND: The management of large chin and lower lip defects is challenging due to this facial subunit's tremendous functional and aesthetic importance. Specific methods for total lower lip and mentum reconstruction are not well chronicled. Aesthetic and functional goals of this reconstruction include restoration of oral competence by maintaining lower lip height, vermilion reestablishment, color-matched skin introduction to the chin, sensation restoration, and ideally restoration of dynamic activity to the lower lip...
July 8, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28734198/length-of-stay-for-25-791-california-patients-found-incompetent-to-stand-trial
#6
Matthew Renner, Carol Newark, Bradley J Bartos, Richard McCleary, Nicholas Scurich
Referrals and admissions to state psychiatric hospitals of criminal defendants found Incompetent to Stand Trial (IST) are on the rise in the state of California and other parts of the country. Studies of treatment outcomes of this population have primarily focused on factors that determine competency and/or restorability. However, as IST patients place an increasing resource burden on state psychiatric hospital systems, other outcomes such as length of stay (LOS) are becoming increasingly important for practitioners and policy makers to understand...
July 6, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28734188/the-effects-of-neurologic-assessment-e-learning-in-nurses
#7
Ji Yeon Shin, S Barry Issenberg, Young Sook Roh
BACKGROUND: A firm understanding of the preliminary assessment of a patient with neurological disorders is needed for ensuring optimal patient outcomes. OBJECTIVES: The purpose of this study is to evaluate the effects of using e-learning on neurologic assessment knowledge, ability, and self-confidence among nurses. DESIGN: This study used a non-equivalent control group pretest-posttest design. SETTINGS: Nurses working in the neurology and neurosurgery wards, Republic of Korea PARTICIPANTS: A convenience sample of 50 nurses was assigned to either the experimental group (n=24) or the control group (n=26)...
July 15, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28733855/transportability-of-an-evidence-based-early-childhood-intervention-in-a-low-income-african-country-results-of-a-cluster-randomized-controlled-study
#8
Keng-Yen Huang, Janet Nakigudde, Dana Rhule, Joy Louise Gumikiriza-Onoria, Gloria Abura, Bukky Kolawole, Sheila Ndyanabangi, Sharon Kim, Edward Seidman, Gbenga Ogedegbe, Laurie Miller Brotman
Children in Sub-Saharan Africa (SSA) are burdened by significant unmet mental health needs. Despite the successes of numerous school-based interventions for promoting child mental health, most evidence-based interventions (EBIs) are not available in SSA. This study investigated the implementation quality and effectiveness of one component of an EBI from a developed country (USA) in a SSA country (Uganda). The EBI component, Professional Development, was provided by trained Ugandan mental health professionals to Ugandan primary school teachers...
July 21, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28733457/role-of-bone-morphogenetic-proteins-in-sprouting-angiogenesis-differential-bmp-receptor-dependent-signaling-pathways-balance-stalk-vs-tip-cell-competence
#9
Andreas Benn, Christian Hiepen, Marc Osterland, Christof Schütte, An Zwijsen, Petra Knaus
Before the onset of sprouting angiogenesis, the endothelium is prepatterned for the positioning of tip and stalk cells. Both cell identities are not static, as endothelial cells (ECs) constantly compete for the tip cell position in a dynamic fashion. Here, we show that both bone morphogenetic protein (BMP) 2 and BMP6 are proangiogenic in vitro and ex vivo and that the BMP type I receptors, activin receptor-like kinase (ALK)3 and ALK2, play crucial and distinct roles in this process. BMP2 activates the expression of tip cell-associated genes, such as DLL4 (delta-like ligand 4) and KDR (kinase insert domain receptor), and p38-heat shock protein 27 (HSP27)-dependent cell migration, thereby generating tip cell competence...
July 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28733198/the-role-of-intrinsic-disorder-and-dynamics-in-the-assembly-and-function-of-the-type-ii-secretion-system
#10
REVIEW
Shuang Gu, Vladimir E Shevchik, Rosie Shaw, Richard W Pickersgill, James A Garnett
Many Gram-negative commensal and pathogenic bacteria use a type II secretion system (T2SS) to transport proteins out of the cell. These exported proteins or substrates play a major role in toxin delivery, maintaining biofilms, replication in the host and subversion of host immune responses to infection. We review the current structural and functional work on this system and argue that intrinsically disordered regions and protein dynamics are central for assembly, exo-protein recognition, and secretion competence of the T2SS...
July 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28733154/community-pharmacists-knowledge-of-alzheimer-disease-care-in-high-and-low-income-chicago
#11
Marketa Marvanova, Paul Jacob Henkel
OBJECTIVES: This pilot study examined community pharmacists' knowledge to provide care and services for persons with Alzheimer disease (AD) and area income-based disparities in knowledge and availability of cognitive enhancers. METHODS: A cross-sectional telephone survey of pharmacies (n = 137) in high- and low-income areas in Chicago was conducted on pharmacists' degree, experience, and continuing education, as well as knowledge of AD disease and treatment expectations, adverse effects (AEs) of donepezil, and self-care recommendations for insomnia...
July 18, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28733060/developing-a-canadian-curriculum-for-simulation-based-education-in-obstetrics-and-gynecology-a-delphi-study
#12
Catherine Craig, Glenn D Posner
OBJECTIVE: As obstetrics and gynaecology (Ob/Gyn) residency training programs move towards a competence-based approach to training and assessment, the development of a national standardized simulation curriculum is essential. The primary goal of this study was to define the fundamental content for the Canadian Obstetrics and Gynecology Simulation curriculum. METHODS: A modified Delphi technique was used to achieve consensus in three rounds by surveying residency program directors or their local simulation educator delegates in 16 accredited Canadian Ob/Gyn residency programs...
July 18, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28732048/wolbachia-and-dengue-virus-infection-in-the-mosquito-aedes-fluviatilis-diptera-culicidae
#13
Jéssica Barreto Lopes Silva, Debora Magalhães Alves, Vanessa Bottino-Rojas, Thiago Nunes Pereira, Marcos Henrique Ferreira Sorgine, Eric Pearce Caragata, Luciano Andrade Moreira
Dengue represents a serious threat to human health, with billions of people living at risk of the disease. Wolbachia pipientis is a bacterial endosymbiont common to many insect species. Wolbachia transinfections in mosquito disease vectors have great value for disease control given the bacterium's ability to spread into wild mosquito populations, and to interfere with infections of pathogens, such as dengue virus. Aedes fluviatilis is a mosquito with a widespread distribution in Latin America, but its status as a dengue vector has not been clarified...
2017: PloS One
https://www.readbyqxmd.com/read/28731973/professionalism-the-forgotten-core-competency
#14
Julie L Huffmyer, Susan E Kirk
No abstract text is available yet for this article.
August 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28730898/book-review-occupational-therapy-essentials-for-clinical-competence-jacobs-karen-macrae-nancy-sladyk-karen-eds-2014-occupational-therapy-essentials-for-clinical-competence-2nd-ed-thorofare-nj-slack-867-pp-us-89-95-isbn-978-1-61711-638-4
#15
Zoé Campbell, Marie-Josée Drisdelle, Julie Lapointe
No abstract text is available yet for this article.
June 2017: Canadian Journal of Occupational Therapy. Revue Canadienne D'ergothérapie
https://www.readbyqxmd.com/read/28730741/the-power-of-competence-support-the-impact-of-coaches-and-athlete-leaders-on-intrinsic-motivation-and-performance
#16
Katrien Fransen, Filip Boen, Maarten Vansteenkiste, Niels Mertens, Gert Vande Broek
Grounded in the Cognitive Evaluation Theory, a mini-theory of Self-Determination Theory, this experimental field study sought to examine the impact of competence support of both coaches and athlete leaders on athletes' competence satisfaction, intrinsic motivation, and subjective as well as objective performance. Male basketball players (N = 120) were allocated to groups of five players. These groups were then randomly assigned to a control group or to one of three experimental conditions. In these experimental conditions either the coach, the athlete leader, or both provided motivational feedback to their team...
July 21, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28730727/better-arthritis-care-patients-expectations-and-priorities-the-competencies-that-community-based-health-professionals-need-to-improve-their-care-of-people-with-arthritis
#17
J Erwin, K Edwards, A Woolf, S Whitcombe, S Kilty
OBJECTIVE: The aim of the present study was to identify the competencies that patients think non-specialist community-based nurses and allied health professionals (AHPs) need to enable them to assess, care for and manage arthritis appropriately. METHODS: Four face-to-face focus groups were held with a total of 16 women and nine men with arthritis, to discuss the care they received from community-based health professionals, the skills and knowledge they expected from community-based health professionals and what they prioritized...
July 21, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28730715/different-thermotolerances-in-in%C3%A2-vitro-produced-embryos-derived-from-different-maternal-and-paternal-genetic-backgrounds
#18
Miki Sakatani, Kenichi Yamanaka, Ahmed Zaky Balboula, Masashi Takahashi
The present study evaluated the effects of genetic backgrounds on the developmental competence and thermotolerance of bovine in vitro-produced (IVP) embryos. First, Holstein (Hol) and Japanese Black (JB) oocytes were fertilized with sperm from Hol, JB and a thermotolerant breed (Brahman), and in vitro development was evaluated when the embryos were exposed to heat shock on Day 2 (Day 0 = day of fertilization). Sperm genetic backgrounds affected the developmental competence in controls (P < 0.05). Second, the effect of sperm pre-incubation for 4 h on subsequent in vitro fertilization was assessed using different sperm genetic backgrounds...
July 21, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28730111/cumulative-sum-analysis-score-and-phacoemulsification-competency-learning-curve
#19
Gustavo Vedana, Filipe G Cardoso, Alexandre S Marcon, Licio E K Araújo, Matheus Zanon, Daniella C Birriel, Guilherme Watte, Albert S Jun
AIM: To use the cumulative sum analysis score (CUSUM) to construct objectively the learning curve of phacoemulsification competency. METHODS: Three second-year residents and an experienced consultant were monitored for a series of 70 phacoemulsification cases each and had their series analysed by CUSUM regarding posterior capsule rupture (PCR) and best-corrected visual acuity. The acceptable rate for PCR was <5% (lower limit h) and the unacceptable rate was >10% (upper limit h)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729683/a-positive-feedback-loop-mediated-by-sigma-x-enhances-expression-of-the-streptococcal-regulator-comr
#20
Rabia Khan, Roger Junges, Heidi A Åmdal, Tsute Chen, Donald A Morrison, Fernanda C Petersen
Natural transformation is used by bacteria to take up DNA from their surroundings and incorporate it into their genomes. Streptococci do so during a transient period of competence, triggered by pheromones that they produce, secrete and sense under conditions influenced by the environment. In Streptococcus mutans, Streptococcus suis, and species of the bovis, salivarius and pyogenic groups of streptococci, the pheromone XIP is sensed by the intra-cellular regulator ComR, that in turn activates the transcription of comS, encoding the XIP precursor, and of sigX, encoding the only known alternative sigma factor in streptococci...
July 20, 2017: Scientific Reports
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