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https://www.readbyqxmd.com/read/28812567/high-taxonomic-variability-despite-stable-functional-structure-across-microbial-communities
#1
Stilianos Louca, Saulo M S Jacques, Aliny P F Pires, Juliana S Leal, Diane S Srivastava, Laura Wegener Parfrey, Vinicius F Farjalla, Michael Doebeli
Understanding the processes that are driving variation of natural microbial communities across space or time is a major challenge for ecologists. Environmental conditions strongly shape the metabolic function of microbial communities; however, other processes such as biotic interactions, random demographic drift or dispersal limitation may also influence community dynamics. The relative importance of these processes and their effects on community function remain largely unknown. To address this uncertainty, here we examined bacterial and archaeal communities in replicate 'miniature' aquatic ecosystems contained within the foliage of wild bromeliads...
December 5, 2016: Nature ecology & evolution
https://www.readbyqxmd.com/read/28802759/sensor-assisted-self-management-in-parkinson-s-disease-a-feasibility-study-of-ambulatory-posture-detection-and-feedback-to-treat-stooped-posture
#2
E E H van Wegen, C J T de Goede, G Kwakkel, J van Kordelaar
INTRODUCTION: A stooped posture is one of the characteristic motor symptoms of patients with Parkinson's disease, and has been linked to impairments in daily activities and quality of life. We aimed to test the efficacy, safety, practical utility and user-friendliness of a posture correction and vibrotactile trunk angle feedback device (the UpRight) in the home setting of patients with Parkinson's disease with a stooped posture. It was hypothesized that ambulatory use of the UpRight would be safe, feasible and result in a less stooped posture, i...
July 25, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28799078/intrachiasmatic-abscess-caused-by-igg4-related-hypophysitis
#3
Georgios F Hadjigeorgiou, Eva Løbner Lund, Lars Poulsgaard, Ulla Feldt-Rasmussen, Åse Krogh Rasmussen, Marianne Wegener, Kåre Fugleholm
INTRODUCTION: Autoimmune hypophysitis is a rare disease of the pituitary, which may affect vision by inflammation and compression of the optic chiasm. However, intrachiasmatic abscess formation has not been previously reported. METHODS: In this study, we report a case of a 29-year-old female with bitemporal hemianopia due to a cystic intrasellar tumor. The patient underwent surgical decompression of the lesion, which was found to be an intrachiasmatic abscess. RESULTS: The histologic findings were consistent with IgG4 hypophysitis...
August 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28797282/who-should-take-care-of-me-preferences-of-old-age-individuals-for-characteristics-of-professional-long-term-caregivers-an-observational-cross-sectional-study
#4
André Hajek, Thomas Lehnert, Annemarie Wegener, Steffi G Riedel-Heller, Hans-Helmut König
BACKGROUND: It is most likely that the need for long-term care increases considerably in the next decades due to demographic shifts. Thus, we aimed at identifying the preferences for characteristics of professional long-term caregivers among old age individuals in Germany. METHODS: Data were gathered from a population-based survey of the German population aged 65 and above in 2015 (n = 1006). RESULTS: It was important for individuals in old age that long-term caregivers were 'empathetic, kind' (99...
August 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28793939/discovery-versus-implementation-research-on-mental-disorders-in-low-and-middle-income-countries
#5
Dan J Stein, Gregers Wegener
No abstract text is available yet for this article.
August 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28793899/enumeration-of-circulating-endothelial-cell-frequency-as-a-diagnostic-marker-in-aortic-valve-surgery-a-flow-cytometric-approach
#6
Anton Sabashnikov, Klaus Neef, Vera Chesnokova, Leonie Wegener, Kathrin Godthardt, Maximilian Scherner, Elmar W Kuhn, Antje-Christin Deppe, Meike Lauer, Kaveh Eghbalzadeh, Mohamed Zeriouh, Parwis B Rahmanian, Jens Wippermann, Ferdinand Kuhn-Régnier, Navid Madershahian, Thorsten Wahlers, Alexander Weymann, Yeong-Hoon Choi
BACKGROUND: The frequency of circulating endothelial cells (CEC) in patients' peripheral blood can be assessed as a direct marker of endothelial damage. However, conventional enumeration methods are extremely challenging. We developed a novel, automated approach to determine CEC frequencies and tested this method on two groups of patients undergoing conventional (CAVR) versus trans-catheter aortic valve implantation (TAVI). METHODS: CEC frequencies were assessed by a flow cytometric approach, including automated pre-enrichment of CD34 positive blood cell subpopulation and isotype controls...
August 9, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28771620/a-benign-helminth-alters-the-host-immune-system-and-the-gut-microbiota-in-a-rat-model-system
#7
Laura Wegener Parfrey, Milan Jirků, Radek Šíma, Marie Jalovecká, Bohumil Sak, Karina Grigore, Kateřina Jirků Pomajbíková
Helminths and bacteria are major players in the mammalian gut ecosystem and each influences the host immune system and health. Declines in helminth prevalence and bacterial diversity appear to play a role in the dramatic rise of immune mediated inflammatory diseases (IMIDs) in western populations. Helminths are potent modulators of immune system and their reintroduction is a promising therapeutic avenue for IMIDs. However, the introduction of helminths represents a disturbance for the host and it is important to understand the impact of helminth reintroduction on the host, including the immune system and gut microbiome...
2017: PloS One
https://www.readbyqxmd.com/read/28771575/zl006-a-small-molecule-inhibitor-of-psd-95-nnos-interaction-does-not-induce-antidepressant-like-effects-in-two-genetically-predisposed-rat-models-of-depression-and-control-animals
#8
Sandra Tillmann, Vitor Silva Pereira, Nico Liebenberg, Anne Karina Christensen, Gregers Wegener
N-methyl-D-aspartate receptor (NMDA-R) antagonists and nitric oxide inhibitors have shown promising efficacy in depression but commonly induce adverse events. To circumvent these, a more indirect disruption of the nitric oxide synthase/postsynaptic density protein 95 kDa complex at the NMDA-R has been proposed. This disruption can be achieved using small molecule inhibitors such as ZL006, which has attracted attention as ischemic stroke therapy in rodents and has been proposed as a potential novel treatment for depression...
2017: PloS One
https://www.readbyqxmd.com/read/28769139/three-atypical-manifestations-of-granulomatosis-with-polyangiitis-lateral-medullary-syndrome-anterior-cheek-mass-and-melting-scleritis-of-eye
#9
Saeedeh Shenavandeh, Peyman Petramfar
Granulomatosis with polyangiitis (GPA, formerly Wegener granulomatosis) is a vasculitis with various organ involvement. There have been a few cases of CNS stroke and rare cases of lateral medullary infarction (LMI) as a manifestation of GPA. Also there have been reports of sinuses, nose and laryngeal masses mistakenly referred as carcinomas and subsequently GPA was diagnosed in their pathological reports. Another severe fulminant manifestation can be necrotizing scleritis leading to perforation of sclera. Therefore, here we present some rare and fulminant manifestations of GPA in 3 separate cases for further emphasis of the unusual manifestations of GPA that should always be kept in mind...
2017: Reumatologia
https://www.readbyqxmd.com/read/28756634/necrotizing-sarcoid-granulomatosis-a-distinctive-form-of-pulmonary-granulomatous-disease
#10
REVIEW
Georgia Karpathiou, Anna Batistatou, Panagiotis Boglou, Dimitrios Stefanou, Marios E Froudarakis
OBJECTIVES: To define the characteristics of necrotizing sarcoid granulomatosis (NGS) a very rare pulmonary disease hardly recognized by pulmonologists and pathologists. DATA SOURCE: PubMed was searched for the term necrotising or necrotizing sarcoid granulomatosis. STUDY SELECTION: All cases reported in the English literature were included. RESULTS: NGS is presented at all ages (range 8-68 years) with a median age of 42 years old...
July 29, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28752903/erythropoietin-prevents-the-effect-of-chronic-restraint-stress-on-the-number-of-hippocampal-ca3c-dendritic-terminals-relation-to-expression-of-genes-involved-in-synaptic-plasticity-angiogenesis-inflammation-and-oxidative-stress-in-male-rats
#11
Nadia Aalling, Ida Hageman, Kamilla Miskowiak, Dariusz Orlowski, Gregers Wegener, Gitta Wortwein
Stress-induced allostatic load affects a variety of biological processes including synaptic plasticity, angiogenesis, oxidative stress, and inflammation in the brain, especially in the hippocampus. Erythropoietin (EPO) is a pleiotropic cytokine that has shown promising neuroprotective effects. Recombinant human EPO is currently highlighted as a new candidate treatment for cognitive impairment in neuropsychiatric disorders. Because EPO enhances synaptic plasticity, attenuates oxidative stress, and inhibits generation of proinflammatory cytokines, EPO may be able to modulate the effects of stress-induced allostatic load at the molecular level...
July 28, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28745688/-risk-factors-for-anemia-in-the-early-stages-of-chronic-kidney-disease
#12
Yu S Milovanov, L V Kozlovskaya, L Yu Milovanova, M M Markina, V V Kozlov, M V Taranova, V V Fomin
AIM: To identify the early markers of anemia in chronic kidney disease (CKD) in patients with chronic glomerulonephritis (CGN) and glomerulonephritis (GN) in systemic diseases. SUBJECTS AND METHODS: Seventy-nine patients with some male preponderance who were aged 21 to 65 years (45.3±11.1 years) and had CKD (CGN and GN) in systemic diseases (systemic lupus erythematosus and Wegener's granulomatosis) in the early stages (Stages I-II) of CKD were examined. GN was diagnosed by a lifetime renal biopsy...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28741986/serum-ferritin-as-an-activity-marker-for-granulamotosis-with-polyangiitis
#13
Hamit Kucuk, Ozkan Varan, Berna Goker, Berivan Bitik, Mehmet Akif Ozturk, Seminur Haznedaroglu, Abdurrahman Tufan
BACKGROUND: Serum ferritin correlates well with the activities of systemic lupus erythematosus (SLE) and dermatomyositis, but it has not been previously studied in patients with vasculitis. METHODS: Medical records of granulomatosis with polyangiitis (GPA, Wegener's granulomatosis) patients with at least six months of regular follow-up were evaluated. The activity of GPA was assessed with Birmingham Vasculitis Activity Score for Wegener's Granulomatosis (BVAS/WG)...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28734866/label-free-profiling-of-cell-dynamics-a-sequence-of-impedance-based-assays-to-estimate-tumor-cell-invasiveness-in-vitro
#14
Orsolya Láng, L Ai, Joachim Wegener
Dynamic properties of cancer cells, most notably their ability to migrate, have been correlated successfully with their invasive nature in vivo. To establish a stronger experimental basis for such a correlation we subjected five different cancer cell lines of well-defined metastatic potential to a sequence of three independent assays reporting on three different aspects of cell dynamics, namely (1) the kinetics of cell spreading, (2) cell shape fluctuations, and (3) cell migration. The sequentially applied assays correspond to different measuring modes of the well-established ECIS technique that is based on non-invasive and label-free impedance readings of planar gold-film electrodes that serve as the growth substrate for the cells under study...
July 19, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28708725/dual-energy-computed-tomography-in-stroke-imaging-technical-and-clinical-considerations-of-virtual-noncontrast-images-for-detection-of-the-hyperdense-artery-sign
#15
Sebastian Winklhofer, Ilaria Vittoria De Martini, Chrisitian Nern, Iris Blume, Susanne Wegener, Athina Pangalu, Antonios Valavanis, Hatem Alkadhi, Roman Guggenberger
OBJECTIVE: The technical feasibility of virtual noncontrast (VNC) images from dual-energy computed tomography (DECT) for the detection of the hyperdense artery sign (HAS) in ischemic stroke patients was investigated. METHODS: True noncontrast (TNC) scans of 60 patients either with or without HAS (n = 30 each) were investigated. Clot presence and characteristics were assessed on VNC images from DECT angiography and compared with TNC images. Clot characterization included the level of confidence for diagnosing HAS, a qualitative clot burden score, and quantitative attenuation (Hounsfield unit [HU]) measurements...
July 13, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28701027/children-reading-spoken-words-interactions-between-vocabulary-and-orthographic-expectancy
#16
Signy Wegener, Hua-Chen Wang, Peter de Lissa, Serje Robidoux, Kate Nation, Anne Castles
There is an established association between children's oral vocabulary and their word reading but its basis is not well understood. Here, we present evidence from eye movements for a novel mechanism underlying this association. Two groups of 18 Grade 4 children received oral vocabulary training on one set of 16 novel words (e.g., 'nesh', 'coib'), but no training on another set. The words were assigned spellings that were either predictable from phonology (e.g., nesh) or unpredictable (e.g., koyb). These were subsequently shown in print, embedded in sentences...
July 12, 2017: Developmental Science
https://www.readbyqxmd.com/read/28700946/sifamide-translates-hunger-signals-into-appetitive-and-feeding-behavior-in-drosophila
#17
Carlotta Martelli, Ulrike Pech, Simon Kobbenbring, Dennis Pauls, Britta Bahl, Mirjam Vanessa Sommer, Atefeh Pooryasin, Jonas Barth, Carmina Warth Perez Arias, Chrystalleni Vassiliou, Abud Jose Farca Luna, Haiko Poppinga, Florian Gerhard Richter, Christian Wegener, André Fiala, Thomas Riemensperger
Animal behavior is, on the one hand, controlled by neuronal circuits that integrate external sensory stimuli and induce appropriate motor responses. On the other hand, stimulus-evoked or internally generated behavior can be influenced by motivational conditions, e.g., the metabolic state. Motivational states are determined by physiological parameters whose homeostatic imbalances are signaled to and processed within the brain, often mediated by modulatory peptides. Here, we investigate the regulation of appetitive and feeding behavior in the fruit fly, Drosophila melanogaster...
July 11, 2017: Cell Reports
https://www.readbyqxmd.com/read/28697709/standardized-measurement-of-sensorimotor-recovery-in-stroke-trials-consensus-based-core-recommendations-from-the-stroke-recovery-and-rehabilitation-roundtable
#18
Gert Kwakkel, Natasha A Lannin, Karen Borschmann, Coralie English, Myzoon Ali, Leonid Churilov, Gustavo Saposnik, Carolee Winstein, Erwin Eh van Wegen, Steven L Wolf, John W Krakauer, Julie Bernhardt
Finding, testing and demonstrating efficacy of new treatments for stroke recovery is a multifaceted challenge. We believe that to advance the field, neurorehabilitation trials need a conceptually rigorous starting framework. An essential first step is to agree on definitions of sensorimotor recovery and on measures consistent with these definitions. Such standardization would allow pooling of participant data across studies and institutions aiding meta-analyses of completed trials, more detailed exploration of recovery profiles of our patients and the generation of new hypotheses...
July 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28693060/-an-analysis-of-four-cases-of-misdiagnosed-primary-lymphocytic-hypophysitis
#19
Q Wei, L Zang, Y J Li, W J Gu, N Jin, Q H Guo, J Du, J M Ba, Z H Lyu, J M Lu, J T Dou, Y M Mu, G Q Yang
To improve the differential diagnosis of sellar region mass, 4 cases with sellar mass and misdiagnosed as lymphocytic hypophysitis (LYH) were reviewed retrospectively.The 4 patients (2 male and 2 female) aged 20-60 years old were all presented with symptoms of headache, polydipsia and polyuria.Biochemical studies confirmed the diagnoses of central diabetes insipidus and hypopituitarism.Head MRI scans showed LYH like image for all the cases, and, thus, high dose methylprednisolone pulse therapy (HDMPT) was applied to the patients...
July 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28692611/a-national-survey-on-the-use-of-electronic-directly-observed-therapy-for-treatment-of-tuberculosis
#20
Michelle Macaraig, Mark N Lobato, Kara McGinnis Pilote, Donna Wegener
CONTEXT: An increasing number of tuberculosis (TB) programs are adopting electronic directly observed therapy (eDOT), the use of technology to supervise patient adherence remotely. Pilot studies show that treatment adherence and completion were similar with eDOT compared with the standard in-person DOT. OBJECTIVE: In December 2015, the National Tuberculosis Controllers Association administered an online survey to determine the extent to which eDOT is used in the United States...
July 7, 2017: Journal of Public Health Management and Practice: JPHMP
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