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https://www.readbyqxmd.com/read/28545163/coccygeal-body-revisited-an-immunohistochemical-study-using-donated-elderly-cadavers
#1
Zhe Wu Jin, Kwang Ho Cho, Hyung Suk Jang, Gen Murakami, Jose Francisco Rodríguez-Vázquez, Masahito Yamamoto, Shin-Ichi Abe
To describe the normal anatomy and histology of the adult coccygeal body (CB) and to discuss about the origin and function. Using immunohistochemistry, we examined 29 CBs found in 32 elderly donated cadavers without macroscopic pathology in the pelvis. The CB was usually located in or near the anococcygeal ligaments. It was almost always composed of multiple masses or nodules of round glomus cells (smooth muscle actin, or SMA++). However, the CB sometimes contained abundant dilated veins with scattered glomus cells...
May 25, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28544671/a-common-thermal-niche-among-geographically-diverse-populations-of-the-widely-distributed-tree-species-eucalyptus-tereticornis-no-evidence-for-adaptation-to-climate-of-origin
#2
John E Drake, Angelica Vårhammar, Dushan Kumarathunge, Belinda E Medlyn, Sebastian Pfautsch, Peter B Reich, David T Tissue, Oula Ghannoum, Mark G Tjoelker
Impacts of climate warming depend on the degree to which plants are constrained by adaptation to their climate-of-origin or exhibit broad climatic suitability. We grew cool-origin, central and warm-origin provenances of Eucalyptus tereticornis in an array of common temperature environments from 18 to 35.5°C to determine if this widely distributed tree species consists of geographically contrasting provenances with differentiated and narrow thermal niches, or if provenances share a common thermal niche. The temperature responses of photosynthesis, respiration, and growth were equivalent across the three provenances, reflecting a common thermal niche despite a 2,200 km geographic distance and 13°C difference in mean annual temperature at seed origin...
May 23, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28544500/non-communicable-diseases-and-hiv-care-and-treatment-models-of-integrated-service-delivery
#3
REVIEW
Malia Duffy, Bisola Ojikutu, Soa Andrian, Elaine Sohng, Thomas Minior, Lisa R Hirschhorn
OBJECTIVES: Non-communicable diseases (NCD) are a growing cause of morbidity in low-income countries including in people living with Human Immunodeficiency Virus (HIV). Integration of NCD and HIV services can build upon experience with chronic care models from HIV programs. We describe models of NCD and HIV integration, challenges, and lessons learned. METHODS: Literature review of articles on integrated NCD and HIV programs in low-income countries and key informant interviews with leaders of identified integrated NCD and HIV programs...
May 24, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28544395/morphology-and-molecular-phylogeny-of-a-new-hypotrich-ciliate-pseudourostyla-guizhouensis-sp-nov-from-southern-china-with-notes-on-a-chinese-population-of-hemicycliostyla-franzi-foissner-1987-paiva-et%C3%A2-al-2012-ciliophora-hypotricha
#4
REVIEW
Yanbo Li, Zhao Lyu, Alan Warren, Kexin Zhou, Fengchao Li, Xumiao Chen
The morphology and molecular phylogeny of a soil hypotrich ciliate, Pseudourostyla guizhouensis sp. nov., collected from southern China, were investigated. Pseudourostyla guizhouensis sp. nov. has an elongate elliptical body measuring 180-310 × 65-85 μm in vivo; invariably two right and three or four left marginal rows; six or seven dorsal kineties; adoral zone consisting of 57-70 membranelles; 12-16 frontal cirri, one buccal cirrus, 13-20 midventral pairs, two frontoterminal cirri, two pre-transverse ventral cirri, and five to seven transverse cirri...
May 22, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/28544258/incidence-and-risk-factors-for-non-alcoholic-fatty-liver-disease-a-7-year-follow-up-study-among-urban-adult-sri-lankans
#5
Madunil Anuk Niriella, Arunasalam Pathmeswaran, Shamila Thivanshi De Silva, Anuradhani Kasturiratna, Ruwan Perera, Chamila Erandaka Subasinghe, Kuleesha Kodisinghe, Chathura Piyaratna, Vithiya Rishikesawan, Anuradha Supun Dassanayaka, Arjuna Priyadarshin De Silva, Rajitha Wickramasinghe, Fumihiko Takeuchi, Norihiro Kato, Hithanadura Janaka de Silva
BACKGROUND: This study investigated incidence and risk factors for NAFLD among an adult cohort with 7-years follow-up. METHODS: The study population (age-stratified random sampling, Ragama MOH area) was screened initially in 2007 (aged 35-64 years) and re-evaluated in 2014 (aged 42-71 years). On both occasions assessed by structured interview, anthropometric measurements, liver ultrasound, biochemical and serological tests. NAFLD was diagnosed on ultrasound criteria, safe alcohol consumption and absence of hepatitis B/C markers...
May 19, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28544236/clinical-and-laboratory-phenotype-variability-in-type-2m-von-willebrand-disease
#6
Ashley L Doruelo, Sandra L Haberichter, Pamela A Christopherson, Lisa N Boggio, Sweta Gupta, Steven R Lentz, Amy D Shapiro, Robert R Montgomery, Veronica H Flood
BACKGROUND: Von Willebrand factor (VWF) is a multimeric coagulation factor that tethers platelets to injured subendothelium. Type 2M von Willebrand Disease (VWD) is characterized by a qualitative defect in VWF with preserved multimer distribution. OBJECTIVES: Through the Zimmerman Program for the Molecular and Clinical Biology for VWD, five VWF sequence variations were studied in subjects diagnosed with type 2M VWD. METHODS: Bleeding phenotype was assessed using the ISTH bleeding assessment tool...
May 20, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28544174/a-qualitative-study-of-younger-men-s-experience-of-heart-attack-myocardial-infarction
#7
Christopher J Merritt, Nicole de Zoysa, Jane M Hutton
OBJECTIVES: The effects of heart attack, or myocardial infarction (MI), across psychosocial domains may be particularly acute in younger adults, for whom serious health events are non-normative. MI morbidity is declining in Western countries, but in England MI numbers have plateaued for the under-45 cohort, where approximately 90% of patients are male. Qualitative research on younger adults' experience of MI is limited, and no study has sampled exclusively under-45s. This study aimed to understand how a sample of men under 45 adjusted to and made sense of MI...
May 24, 2017: British Journal of Health Psychology
https://www.readbyqxmd.com/read/28544130/adaptation-of-a-scale-to-measure-coping-strategies-in-informal-primary-caregivers-a-case-of-validation-with-small-samples
#8
Francisco Javier Rosas-Santiago, María Luisa Marván Garduño, Roberto Lagunes-Córdoba
BACKGROUND: The recovery process of a psychiatric patient is related to his primary informal caregiver's style of coping with stress. There is insufficient literature on validations of instruments that measure coping styles in this population. OBJECTIVE: To adapt and validate a scale to measure coping strategies in primary informal caregivers. METHOD: The adapted scale was based on the Extreme Coping Scale of López-Vázquez and Marván. Items from that scale were adapted for application to informal caregivers...
May 25, 2017: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/28544107/the-relationship-between-sleep-disturbance-and-glycemic-control-in-adults-with-type-2-diabetes-an-integrative-review
#9
REVIEW
Bingqian Zhu, Patricia E Hershberger, Mary C Kapella, Cynthia Fritschi
AIMS AND OBJECTIVES: To explore and synthesize current research to assess the state of science about the relationship between sleep disturbance and glycemic control in adults with type 2 diabetes (T2DM). BACKGROUND: Sleep disturbance is suggested a risk factor for T2DM. Diabetes alone is a leading cause of death, but when coupled with sleep disturbance poses additional health risks. However, little is known about the relationship between sleep disturbance and glycemic control in people with overt diabetes...
May 25, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28544099/genetic-signatures-coupled-with-lineage-shift-characterize-endemic-evolution-of-dengue-virus-serotype-2-during-2015-outbreak-in-delhi-india
#10
Manish Chandra Choudhary, Ekta Gupta, Shvetank Sharma, Nadeem Hasnain, Pragya Agarwala
OBJECTIVE: In 2015 New Delhi witnessed a massive outbreak of Dengue virus (DENV) resulting in high morbidity and mortality. We report the molecular characterization of the dominant circulating DENV strain to understand its evolution and dispersal. MATERIALS AND METHODS: DENV infections were diagnosed by detection of IgM/NS1 antigen and serotyping was performed by C-PrM PCR. Envelope gene was amplified and variation(s) in envelope gene were analyzed. Phylogenetic tree construction, time-based phylogeny and origin of DENV were analyzed...
May 23, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28543997/the-mutational-frequency-of-braf-and-kras-in-low-grade-serous-testicular-neoplasms-a-case-series
#11
Paidamwoyo Gwiti, Ildikó Vereczkey, David Cundell, Shazia Aslam, Tim Clench, Jeremy Braybrooke, Muhammed Sohail, Zsombor Melegh
AIMS: Low grade serous neoplasms of the testis are rare neoplasms that demonstrate striking morphological similarities with the better-understood ovarian neoplasms. The cell of origin, relation to serous ovarian tumour and the pathogenesis of these neoplasms are not fully established. METHODS AND RESULTS: As low grade serous ovarian neoplasms are known to harbour mutations in the MAP-kinase pathway, we investigated the involvement of BRAF and KRAS mutations in low grade testicular serous tumour by way of mutational analysis of 7 cases...
May 19, 2017: Histopathology
https://www.readbyqxmd.com/read/28543948/the-physics-of-mri-safety
#12
REVIEW
Lawrence P Panych, Bruno Madore
The main risks associated with magnetic resonance imaging (MRI) have been extensively reported and studied; for example, everyday objects may turn into projectiles, energy deposition can cause burns, varying fields can induce nerve stimulation, and loud noises can lead to auditory loss. The present review article is geared toward providing intuition about the physical mechanisms that give rise to these risks. On the one hand, excellent literature already exists on the practical aspect of risk management, with clinical workflow and recommendations...
May 19, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28543844/death-and-liver-transplantation-within-two-years-of-onset-of-drug-induced-liver-injury
#13
Paul H Hayashi, Don Rockey, Robert J Fontana, Hans L Tillmann, Neil Kaplowitz, Huiman Barnhart, Jiezhan Gu, Naga P Chalasani, K Rajender Reddy, Averell H Sherker, Jay H Hoofnagle
Drug-induced liver injury (DILI) is an important cause of death and indication for liver transplantation (fatality). The role of DILI in these fatalities ispoorly characterized particularly when fatalities occur > 26 weeks after DILI onset. We analyzed patients in the U.S. Drug-Induced Liver Injury Network prospective study having a fatal outcome within 2 years of onset. Each case was reviewed by 8 Network investigators and categorized as DILI having a primary, contributory or no role in the fatality...
May 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28543620/squamous-cell-carcinoma-in-the-afro-caribbean-community-an-11-year-retrospective-study
#14
Nadège Cordel, Lucie Bonnecarrère, Benoit Tressières
BACKGROUND: Squamous cell carcinoma (SCC) is considered the most frequent skin cancer in black people. Its incidence is not known in the Afro-Caribbean population. OBJECTIVE: To assess the incidence of SCC in Guadeloupe, the largest island of the Lesser Antilles (405 000 inhabitants, mostly black people of African and European descent). The second objective was to characterize clinical and histological patterns of SCC occurring in the Afro-Caribbean community. METHODS: This retrospective study was conducted over an 11-year period (2000-2010)...
May 22, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28543615/improved-image-quality-and-reduced-power-deposition-in-the-spine-at-3-t-using-extremely-high-permittivity-materials
#15
Kirsten Koolstra, Peter Börnert, Wyger Brink, Andrew Webb
PURPOSE: To explore the effect of using extremely high permittivity (εr ∼1,000) materials on image quality and power requirements of spine imaging at 3 T. THEORY AND METHODS: A linear array of high permittivity dielectric blocks made of lead zirconate titanate (PZT) was designed and characterized by electromagnetic simulations and experiments. Their effect on the transmit efficiency, receive sensitivity, power deposition, and diagnostic image quality was analyzed in vivo in 10 healthy volunteers...
May 22, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28543517/intermediate-and-advanced-topics-in-multilevel-logistic-regression-analysis
#16
Peter C Austin, Juan Merlo
Multilevel data occur frequently in health services, population and public health, and epidemiologic research. In such research, binary outcomes are common. Multilevel logistic regression models allow one to account for the clustering of subjects within clusters of higher-level units when estimating the effect of subject and cluster characteristics on subject outcomes. A search of the PubMed database demonstrated that the use of multilevel or hierarchical regression models is increasing rapidly. However, our impression is that many analysts simply use multilevel regression models to account for the nuisance of within-cluster homogeneity that is induced by clustering...
May 23, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28543430/planet-an-ellipse-fitting-approach-for-simultaneous-t1-and-t2-mapping-using-phase-cycled-balanced-steady-state-free-precession
#17
Yulia Shcherbakova, Cornelis A T van den Berg, Chrit T W Moonen, Lambertus W Bartels
PURPOSE: To demonstrate the feasibility of a novel, ellipse fitting approach, named PLANET, for simultaneous estimation of relaxation times T1 and T2 from a single 3D phase-cycled balanced steady-state free precession (bSSFP) sequence. METHODS: A method is presented in which the elliptical signal model is used to describe the phase-cycled bSSFP steady-state signal. The fitting of the model to the acquired data is reformulated into a linear convex problem, which is solved directly by a linear least squares method, specific to ellipses...
May 22, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28543071/differentiating-enhancing-multiple-sclerosis-lesions-glioblastoma-and-lymphoma-with-dynamic-texture-parameters-analysis-dtpa-a-feasibility-study
#18
Rajeev K Verma, Roland Wiest, C Locher, Mirjam R Heldner, Phillip Schucht, Andreas Raabe, Jan Gralla, Christian Philipp Kamm, Johannes Slotboom, Frauke Kellner-Weldon
PURPOSE: MR-imaging hallmarks of glioblastoma (GB), cerebral lymphoma (CL), and demyelinating lesions are gadolinium (Gd) uptake due to blood brain barrier disruption. Thus, initial diagnosis may be difficult based on conventional Gd enhanced MRI alone. Here, the added value of a dynamic texture parameter analysis (DTPA) in the differentiation between these three entities is examined. DTPA is an in-house software tool that incorporates the analysis of quantitative texture parameters extracted from dynamic susceptibility contrast enhanced (DSCE) images...
May 19, 2017: Medical Physics
https://www.readbyqxmd.com/read/28543058/shallow-size-density-relations-within-mammal-clades-suggest-greater-intra-guild-ecological-impact-of-large-bodied-species
#19
R Ø Pedersen, S Faurby, J-C Svenning
1.Population densities of species have a predictable relationship to their body mass on a global scale. This relationship is known as the size-density relationship. The relationship was originally found to be directly opposite of metabolic rate scaling, which led to the hypothesis of energetic equivalence. However, recent studies have suggested that the size-density relationship varies between clades. Specifically, the size-density relationship for certain mammal clades has been found to be less negative than the relationship across all mammals...
May 24, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28543018/multiple-ice-binding-proteins-of-probable-prokaryotic-origin-in-an-antarctic-lake-alga-chlamydomonas-sp-ice-mdv-chlorophyceae
#20
James A Raymond
Ice-associated algae produce ice-binding proteins (IBPs) to prevent freezing damage. The IBPs of the three chlorophytes that have been examined so far share little similarity across species, making it likely that they were acquired by horizontal gene transfer (HGT). To clarify the importance and source of IBPs in chlorophytes, we sequenced the IBP genes of another Antarctic chlorophyte, Chlamydomonas sp. ICE-MDV (Chlamy-ICE). Genomic DNA and total RNA were sequenced and screened for known ice-associated genes...
May 19, 2017: Journal of Phycology
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