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https://www.readbyqxmd.com/read/28086888/non-rigid-mr-trus-image-registration-for-image-guided-prostate-biopsy-using-correlation-ratio-based-mutual-information
#1
Lun Gong, Haifeng Wang, Chengtao Peng, Yakang Dai, Min Ding, Yinghao Sun, Xiaodong Yang, Jian Zheng
BACKGROUND: To improve the accuracy of ultrasound-guided biopsy of the prostate, the non-rigid registration of magnetic resonance (MR) images onto transrectal ultrasound (TRUS) images has gained increasing attention. Mutual information (MI) is a widely used similarity criterion in MR-TRUS image registration. However, the use of MI has been challenged because of intensity distortion, noise and down-sampling. Hence, we need to improve the MI measure to get better registration effect. METHODS: We present a novel two-dimensional non-rigid MR-TRUS registration algorithm that uses correlation ratio-based mutual information (CRMI) as the similarity criterion...
January 10, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28086875/learning-global-health-a-pilot-study-of-an-online-collaborative-intercultural-peer-group-activity-involving-medical-students-in-australia-and-indonesia
#2
Mark Ambrose, Linda Murray, Nicholas E Handoyo, Deif Tunggal, Nick Cooling
BACKGROUND: There is limited research to inform effective pedagogies for teaching global health to undergraduate medical students. Theoretically, using a combination of teaching pedagogies typically used in 'international classrooms' may prove to be an effective way of learning global health. This pilot study aimed to explore the experiences of medical students in Australia and Indonesia who participated in a reciprocal intercultural participatory peer e-learning activity (RIPPLE) in global health...
January 13, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28080981/phenotypic-interactions-between-tree-hosts-and-invasive-forest-pathogens-in-the-light-of-globalization-and-climate-change
#3
REVIEW
Jan Stenlid, Jonàs Oliva
Invasive pathogens can cause considerable damage to forest ecosystems. Lack of coevolution is generally thought to enable invasive pathogens to bypass the defence and/or recognition systems in the host. Although mostly true, this argument fails to predict intermittent outcomes in space and time, underlining the need to include the roles of the environment and the phenotype in host-pathogen interactions when predicting disease impacts. We emphasize the need to consider host-tree imbalances from a phenotypic perspective, considering the lack of coevolutionary and evolutionary history with the pathogen and the environment, respectively...
December 5, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28078514/the-molecular-basis-of-the-organization-of-repetitive-dna-containing-constitutive-heterochromatin-in-mammals
#4
REVIEW
Gohei Nishibuchi, Jérôme Déjardin
Constitutive heterochromatin is composed mainly of repetitive elements and represents the typical inert chromatin structure in eukaryotic cells. Approximately half of the mammalian genome is made of repeat sequences, such as satellite DNA, telomeric DNA, and transposable elements. As essential genes are not present in these regions, most of these repeat sequences were considered as junk DNA in the past. However, it is now clear that these regions are essential for chromosome stability and the silencing of neighboring genes...
January 11, 2017: Chromosome Research
https://www.readbyqxmd.com/read/28077565/mahmi-database-a-comprehensive-metahit-based-resource-for-the-study-of-the-mechanism-of-action-of-the-human-microbiota
#5
Aitor Blanco-Míguez, Alberto Gutiérrez-Jácome, Florentino Fdez-Riverola, Anália Lourenço, Borja Sánchez
The Mechanism of Action of the Human Microbiome (MAHMI) database is a unique resource that provides comprehensive information about the sequence of potential immunomodulatory and antiproliferative peptides encrypted in the proteins produced by the human gut microbiota. Currently, MAHMI database contains over 300 hundred million peptide entries, with detailed information about peptide sequence, sources and potential bioactivity. The reference peptide data section is curated manually by domain experts. The in silico peptide data section is populated automatically through the systematic processing of publicly available exoproteomes of the human microbiome...
2017: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/28077333/molecular-cloning-characterization-and-expression-analysis-of-two-juvenile-hormone-esterase-like-carboxylesterase-cdnas-in-chinese-mitten-crab-eriocheir-sinensis
#6
Yu Xu, Muzi Zhao, Yanfei Deng, Yuanjie Yang, Xuguang Li, Quanping Lu, Jiachun Ge, Jianlin Pan, Zhiqiang Xu
Precise regulation of methyl farnesoate (MF) titer is of prime importance throughout the crustacean life-cycle. Although the synthetic pathway of MF is well-documented, little is known about its degradation and recycling in crustaceans. Juvenile hormone esterase-like (JHE-like) carboxylesterase (CXE) is a key enzyme in MF degradation, thus playing a significant role in regulating the MF titer. We identified and characterized two cDNAs, Es-CXE1 and Es-CXE2, encoding JHE-like CXEs in Chinese mitten crab. Full-length cDNAs of Es-CXE1 and Es-CXE2 encode proteins composed of 584 and 597 amino acids, respectively, both of which contain a typical carboxylesterase domain...
January 8, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28070736/genome-wide-analysis-of-mirnas-and-tasi-rnas-in-zea-mays-in-response-to-phosphate-deficiency
#7
Saurabh Gupta, Manju Kumari, Himansu Kumar, Pritish Kumar Varadwaj
Globally important cereal crop maize provides important nutritions and starch in dietary foods. Low phosphate (LPi) availability in the soil frequently limits the maize quality and yield across the world. Small non-coding RNAs (Snc-RNAs) play crucial roles in growth and adaptation of plants to the environment. Snc-RNAs like microRNAs (miRs) and trans-acting small interfering RNAs (Tasi-Rs) play important functions in posttranscriptional regulation of gene expression, which controls plant development, reproduction, and biotic/abiotic stress responses...
January 9, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/28068138/payment-reform-in-the-patient-centered-medical-home-enabling-and-sustaining-integrated-behavioral-health-care
#8
Benjamin F Miller, Kaile M Ross, Melinda M Davis, Stephen P Melek, Roger Kathol, Patrick Gordon
The patient-centered medical home (PCMH) is a promising framework for the redesign of primary care and more recently specialty care. As defined by the Agency for Healthcare Research and Quality, the PCMH framework has 5 attributes: comprehensive care, patient-centered care, coordinated care, accessible services, and quality and safety. Evidence increasingly demonstrates that for the PCMH to best achieve the Triple Aim (improved outcomes, decreased cost, and enhanced patient experience), treatment for behavioral health (including mental health, substance use, and life stressors) must be integrated as a central tenet...
January 2017: American Psychologist
https://www.readbyqxmd.com/read/28062413/survey-of-local-and-global-biological-network-alignment-the-need-to-reconcile-the-two-sides-of-the-same-coin
#9
Pietro Hiram Guzzi, Tijana Milenković
Analogous to genomic sequence alignment that allows for across-species transfer of biological knowledge between conserved sequence regions, biological network alignment can be used to guide the knowledge transfer between conserved regions of molecular networks of different species. Hence, biological network alignment can be used to redefine the traditional notion of a sequence-based homology to a new notion of network-based homology. Analogous to genomic sequence alignment, there exist local and global biological network alignments...
January 5, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28059946/comparative-study-of-the-difference-of-perioperative-complication-and-radiologic-results-mis-dlif-minimally-invasive-direct-lateral-lumbar-interbody-fusion-versus-mis-olif-minimally-invasive-oblique-lateral-lumbar-interbody-fusion
#10
Jie Jin, Kyeong-Sik Ryu, Jung-Woo Hur, Ji-Hoon Seong, Jin-Sung Kim, Hyun-Jin Cho
STUDY DESIGN: Retrospective observatory analysis. OBJECTIVE: The purpose of this study was to compare the incidence of perioperative complication, difference of cage location, and sagittal alignment between minimally invasive oblique lateral lumbar interbody fusion (MIS-OLIF) and MIS-direct lateral lumbar interbody fusion (DLIF) in the cases of single-level surgery at L4-L5. SUMMARY OF BACKGROUND DATA: MIS-DLIF using tubular retractor has been used for the treatment of lumbar degenerative diseases; however, blunt transpsoas dissection poses a risk of injury to the lumbar plexus...
January 4, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28059878/the-cross-cultural-societal-response-to-sci-health-and-related-systems
#11
Diana Pacheco Barzallo, Mirja H Gross-Hemmi
OBJECTIVE: The Learning Health System for Spinal Cord Injury (LHS-SCI) is an initiative aligned with the World Health Organization's (WHO) Global Disability Action Plan. Based on the outcomes of this initiative, countries will be able to shape their health systems to better respond to the needs of persons with SCI. This paper describes and compares the macroeconomic situation and societal response to SCI across 27 countries from all 6 WHO regions that will participate in the LHS-SCI initiative...
February 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28059683/spinopelvic-sagittal-imbalance-as-a-risk-factor-for-adjacent-segment-disease-after-single-segment-posterior-lumbar-interbody-fusion
#12
Tomiya Matsumoto, Shinya Okuda, Takafumi Maeno, Tomoya Yamashita, Ryoji Yamasaki, Tsuyoshi Sugiura, Motoki Iwasaki
OBJECTIVE The importance of spinopelvic balance and its implications for clinical outcomes after spinal arthrodesis has been reported in recent studies. However, little is known about the relationship between adjacent-segment disease (ASD) after lumbar arthrodesis and spinopelvic alignment. The purpose of this study was to clarify the relationship between spinopelvic radiographic parameters and symptomatic ASD after L4-5 single-level posterior lumbar interbody fusion (PLIF). METHODS This was a retrospective 1:5 matched case-control study...
January 6, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28057141/-research-on-spatiotemporal-spread-of-avian-influenza-a-h7n9-virus-based-on-discrete-geographic-information
#13
M X Wang, M Q Yuan, Y Fang
Objective: To establish a dynamic spatiotemporal spread modes of influenza A (H7N9) virus by using discrete geographic information and explore the spatiotemporal transmission of the virus. Methods: The gene sequences of H7N9 virus isolated from human in China, which were available from Global Initiative on Sharing Avian Influenza Data (GISAID), were used in alignment by using software BioEdit 7.0. Spatiotemporal spread model of H7N9 virus was established in a Bayesian statistical framework by using software BEAST 1...
November 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28054598/antarctic-ice-sheet-discharge-driven-by-atmosphere-ocean-feedbacks-at-the-last-glacial-termination
#14
C J Fogwill, C S M Turney, N R Golledge, D M Etheridge, M Rubino, D P Thornton, A Baker, J Woodward, K Winter, T D van Ommen, A D Moy, M A J Curran, S M Davies, M E Weber, M I Bird, N C Munksgaard, L Menviel, C M Rootes, B Ellis, H Millman, J Vohra, A Rivera, A Cooper
Reconstructing the dynamic response of the Antarctic ice sheets to warming during the Last Glacial Termination (LGT; 18,000-11,650 yrs ago) allows us to disentangle ice-climate feedbacks that are key to improving future projections. Whilst the sequence of events during this period is reasonably well-known, relatively poor chronological control has precluded precise alignment of ice, atmospheric and marine records, making it difficult to assess relationships between Antarctic ice-sheet (AIS) dynamics, climate change and sea level...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28049454/identifying-mechanisms-for-facilitating-knowledge-to-action-strategies-targeting-the-built-environment
#15
Ghazal S Fazli, Maria I Creatore, Flora I Matheson, Sara Guilcher, Vered Kaufman-Shriqui, Heather Manson, Ashley Johns, Gillian L Booth
BACKGROUND: In recent years, obesity-related diseases have been on the rise globally resulting in major challenges for health systems and society as a whole. Emerging research in population health suggests that interventions targeting the built environment may help reduce the burden of obesity and type 2 diabetes. However, translation of the evidence on the built environment into effective policy and planning changes requires engagement and collaboration between multiple sectors and government agencies for designing neighborhoods that are more conducive to healthy and active living...
January 3, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28048000/mo-fg-202-07-real-time-epid-based-detection-metric-for-vmat-delivery-errors
#16
M Passarge, M K Fix, P Manser, M F M Stampanoni, J V Siebers
PURPOSE: To create and test an accurate EPID-frame-based VMAT QA metric to detect gross dose errors in real-time and to provide information about the source of error. METHODS: A Swiss cheese model was created for an EPID-based real-time QA process. The system compares a treatmentplan- based reference set of EPID images with images acquired over each 2° gantry angle interval. The metric utilizes a sequence of independent consecutively executed error detection METHODS: a masking technique that verifies infield radiation delivery and ensures no out-of-field radiation; output normalization checks at two different stages; global image alignment to quantify rotation, scaling and translation; standard gamma evaluation (3%, 3 mm) and pixel intensity deviation checks including and excluding high dose gradient regions...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046059/donor-financing-of-global-mental-health-1995-2015-an-assessment-of-trends-channels-and-alignment-with-the-disease-burden
#17
F J Charlson, J Dieleman, L Singh, H A Whiteford
BACKGROUND: A recent report by the Institute for Health Metrics and Evaluation (IHME) highlights that mental health receives little attention despite being a major cause of disease burden. This paper extends previous assessments of development assistance for mental health (DAMH) in two significant ways; first by contrasting DAMH against that for other disease categories, and second by benchmarking allocated development assistance against the core disease burden metric (disability-adjusted life year) as estimated by the Global Burden of Disease Studies...
2017: PloS One
https://www.readbyqxmd.com/read/28043893/a-novel-microstructural-interpretation-for-the-biomechanics-of-mouse-skin-derived-from-multiscale-characterization
#18
Barbara Lynch, Stéphane Bancelin, Christelle Bonod-Bidaud, Jean-Baptiste Gueusquin, Florence Ruggiero, Marie-Claire Schanne-Klein, Jean-Marc Allain
: Skin is a complex, multi-layered organ, with important functions in the protection of the body. The dermis provides structural support to the epidermal barrier, and thus has attracted a large number of mechanical studies. As the dermis is made of a mixture of stiff fibres embedded in a soft non-fibrillar matrix, it is classically considered that its mechanical response is based on an initial alignment of the fibres, followed by the stretching of the aligned fibres. Using a recently developed setup combining multiphoton microscopy with mechanical assay, we imaged the fibres network evolution during dermis stretching...
December 30, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/28043848/surgical-treatment-of-degenerative-spondylolisthesis
#19
REVIEW
P Guigui, E Ferrero
Degenerative spondylolisthesis is a common pathology, often causing lumbar canal stenosis. There is, however, no strong consensus regarding the various medical and surgical treatments available. Surgery is indicated mainly for perceived functional impairment; when the indication is accepted, several questions determine the choice of surgical strategy. Improvement in neurological symptoms is one of the main treatment objectives. For this, it is useful to perform radicular decompression. Some authors recommend indirect decompression by interbody fusion (ALIF, TLIF, XLIF), others by means of an interspinous spacer but the most frequent technique is direct posterior decompression...
December 30, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28032532/the-missing-the-martyred-and-the-disappeared-global-networks-technical-intensification-and-the-end-of-human-rights-genetics
#20
Lindsay A Smith
In 1984, a group of Argentine students, trained by US academics, formed the Argentine Forensic Anthropology Team to apply the latest scientific techniques to the excavation of mass graves and identification of the dead, and to work toward transitional justice. This inaugurated a new era in global forensic science, as groups of scientists in the Global South worked outside of and often against local governments to document war crimes in post-conflict settings. After 2001, however, with the inauguration of the war on terror following the September 11(th) attacks on the World Trade Center in New York, global forensic science was again remade through US and European investment to increase preparedness in the face of potential terrorist attacks...
December 1, 2016: Social Studies of Science
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