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https://www.readbyqxmd.com/read/29346099/cell-membrane-tracking-in-living-brain-tissue-using-differential-interference-contrast-microscopy
#1
John Lee, Ilya Kolb, Craig R Forest, Christopher J Rozell
Differential interference contrast (DIC) microscopy is widely used for observing unstained biological samples that are otherwise optically transparent. Combining this optical technique with machine vision could enable the automation of many life science experiments; however, identifying relevant features under DIC is challenging. In particular, precise tracking of cell boundaries in a thick ( ) slice of tissue has not previously been accomplished. We present a novel deconvolution algorithm that achieves the state-of-the-art performance at identifying and tracking these membrane locations...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29346034/coagulopathy-in-severe-sepsis-interconnectivity-of-coagulation-and-the-immune-system
#2
Jason M Samuels, Hunter B Moore, Ernest E Moore
BACKGROUND: Disseminated intravascular coagulation (DIC) remains a challenging complication of infection with inadequate treatment and significant morbidity and mortality rates. METHODS: Review of the English-language literature. RESULTS: Disseminated intravascular coagulation arises from the immune system's response to microbial invasion, as well as the byproducts of cell death that result from severe sepsis. This response triggers the coagulation system through an interconnected network of cellular and molecular signals, which developed originally as an evolutionary mechanism intended to isolate micro-organisms via fibrin mesh formation...
January 18, 2018: Surgical Infections
https://www.readbyqxmd.com/read/29345317/an-orientation-independent-dic-microscope-allows-high-resolution-imaging-of-epithelial-cell-migration-and-wound-healing-in-a-cnidarian-model
#3
J E Malamy, M Shribak
Epithelial cell dynamics can be difficult to study in intact animals or tissues. Here we use the medusa form of the hydrozoan Clytia hemisphaerica, which is covered with a monolayer of epithelial cells, to test the efficacy of an orientation-independent differential interference contrast microscope for in vivo imaging of wound healing. Orientation-independent differential interference contrast provides an unprecedented resolution phase image of epithelial cells closing a wound in a live, nontransgenic animal model...
January 18, 2018: Journal of Microscopy
https://www.readbyqxmd.com/read/29343993/management-of-disseminated-intravascular-coagulation-current-insights-on-antithrombin-and-thrombomodulin-treatments
#4
REVIEW
Mineji Hayakawa
Sepsis and septic shock are frequently complicated by disseminated intravascular coagulation (DIC), which decreases the survival rate of patients with sepsis. In the past, large international randomized controlled trials (RCTs) using physiological anticoagulants for sepsis-induced DIC were not performed; however, RCTs have been conducted for sepsis and/or septic shock. In these trials, physiological anticoagulants did not show any beneficial effects compared with placebo for the treatment of sepsis and/or septic shock...
2018: Open Access Emergency Medicine: OAEM
https://www.readbyqxmd.com/read/29329022/impact-of-non-anticoagulant-therapy-on-patients-with-sepsis-induced-disseminated-intravascular-coagulation-a-multicenter-case-control-study
#5
Daisuke Kudo, Mineji Hayakawa, Kota Ono, Kazuma Yamakawa
INTRODUCTION: Anticoagulant therapy for patients with sepsis is not recommended in the latest Surviving Sepsis Campaign guidelines, and non-anticoagulant therapy is the global standard treatment approach at present. We aimed at elucidating the effect of non-anticoagulant therapy on patients with sepsis-induced disseminated intravascular coagulation (DIC), as evidence on this topic has remained inconclusive. MATERIALS AND METHODS: Data from 3195 consecutive adult patients admitted to 42 intensive care units for the treatment of severe sepsis were retrospectively analyzed via propensity score analyses with and without multiple imputation...
January 3, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29321979/improvement-of-aspergillus-flavus-saponin-hydrolase-thermal-stability-and-productivity-via-immobilization-on-a-novel-carrier-based-on-sugarcane-bagasse
#6
Hala A Amin, Francesco Secundo, Hassan Amer, Faten A Mostafa, Wafaa A Helmy
Soyasapogenol B (SB) is known to have many biological activities such as hepatoprotective, anti-inflammatory, anti-mutagenic, antiviral and anticancer activities. Enzymatic conversion of soyasaponins to SB was carried out using saponin hydrolase (SH) extracted from Aspergillus flavus. The partially purified enzyme was immobilized on different carriers by physical adsorption, covalent binding or entrapment. Among the investigated carriers, Eupergit C and sugarcane bagasse (SCB) activated by DIC and NHS were the most suitable two carriers for immobilization (the immobilized forms recovered 46...
March 2018: Biotechnology Reports
https://www.readbyqxmd.com/read/29315312/taking-the-metabolic-pulse-of-the-world-s-coral-reefs
#7
Tyler Cyronak, Andreas J Andersson, Chris Langdon, Rebecca Albright, Nicholas R Bates, Ken Caldeira, Renee Carlton, Jorge E Corredor, Rob B Dunbar, Ian Enochs, Jonathan Erez, Bradley D Eyre, Jean-Pierre Gattuso, Dwight Gledhill, Hajime Kayanne, David I Kline, David A Koweek, Coulson Lantz, Boaz Lazar, Derek Manzello, Ashly McMahon, Melissa Meléndez, Heather N Page, Isaac R Santos, Kai G Schulz, Emily Shaw, Jacob Silverman, Atsushi Suzuki, Lida Teneva, Atsushi Watanabe, Shoji Yamamoto
Worldwide, coral reef ecosystems are experiencing increasing pressure from a variety of anthropogenic perturbations including ocean warming and acidification, increased sedimentation, eutrophication, and overfishing, which could shift reefs to a condition of net calcium carbonate (CaCO3) dissolution and erosion. Herein, we determine the net calcification potential and the relative balance of net organic carbon metabolism (net community production; NCP) and net inorganic carbon metabolism (net community calcification; NCC) within 23 coral reef locations across the globe...
2018: PloS One
https://www.readbyqxmd.com/read/29311545/dynamic-changes-in-carbonate-chemistry-in-the-microenvironment-around-single-marine-phytoplankton-cells
#8
Abdul Chrachri, Brian M Hopkinson, Kevin Flynn, Colin Brownlee, Glen L Wheeler
Photosynthesis by marine diatoms plays a major role in the global carbon cycle, although the precise mechanisms of dissolved inorganic carbon (DIC) uptake remain unclear. A lack of direct measurements of carbonate chemistry at the cell surface has led to uncertainty over the underlying membrane transport processes and the role of external carbonic anhydrase (eCA). Here we identify rapid and substantial photosynthesis-driven increases in pH and [CO32-] primarily due to the activity of eCA at the cell surface of the large diatom Odontella sinensis using direct simultaneous microelectrode measurements of pH and CO32- along with modelling of cell surface inorganic carbonate chemistry...
January 8, 2018: Nature Communications
https://www.readbyqxmd.com/read/29308942/bilateral-orbital-compartment-syndrome-in-a-patient-with-disseminated-intravascular-coagulation
#9
Sonia Huang, Michelle T Sun, Davis Garry, Fitzgerald Jude, Selva Dinesh, Tim Henderson
A 39-year-old male developed bilateral periorbital oedema and tense orbits in keeping with orbital compartment syndrome (OCS) shortly after presenting to the emergency department for uncontrollable epistaxis. Bilateral lateral canthotomy and inferior cantholysis was performed within 30 minutes of onset, with the left side further decompressed via superior cantholysis. Computed tomography demonstrated bilateral proptosis and optic nerve stretch, but no intraorbital haemorrhage or haematoma. Laboratory findings were consistent with disseminated intravascular coagulation (DIC) and sepsis of unknown origin...
January 8, 2018: Orbit
https://www.readbyqxmd.com/read/29308782/septic-miscarriage-with-toxic-shock-syndrome-and-disseminated-intravascular-coagulation-dic-the-role-of-surgery-recombinant-activated-factor-vii-and-intravenous-immunoglobulin-ivig
#10
L N Tan, G Mariappa, H Y Voon, H Suharjono
Severe sepsis with multi-organ failure is associated with a high mortality rate. This case report highlights the challenges and modalities available in the management of a lady with refractory shock and disseminated intravascular coagulation (DIC) due to toxic shock syndrome (TSS) from genital tract sepsis. Early surgical intervention to remove the source of infection, the use of recombinant activated factor VII to treat intractable disseminated intravascular coagulation and intravenous immunoglobulin to neutralise the circulating exotoxins, have been employed and shown to drastically improve outcomes...
December 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/29306945/benefits-of-individualized-feedback-in-internet-based-interventions-for-depression-a-randomized-controlled-trial
#11
Pavle Zagorscak, Manuel Heinrich, Daniel Sommer, Birgit Wagner, Christine Knaevelsrud
BACKGROUND: Even though there is an increasing number of studies on the efficacy of Internet-based interventions (IBI) for depression, experimental trials on the benefits of added guidance by clinicians are scarce and inconsistent. This study compared the efficacy of semistandardized feedback provided by psychologists with fully standardized feedback in IBI. METHODS: Participants with mild-to-moderate depression (n = 1,089, 66% female) from the client pool of a health insurance company participated in a cognitive-behavioral IBI targeting depression over 6 weeks...
January 6, 2018: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/29306364/recommendations-for-multimodality-cardiac-imaging-in-patients-with-chagas-disease-a-report-from-the-american-society-of-echocardiography-in-collaboration-with-the-interamerican-association-of-echocardiography-ecosiac-and-the-cardiovascular-imaging-department
#12
Harry Acquatella, Federico M Asch, Marcia M Barbosa, Marcio Barros, Caryn Bern, Joao L Cavalcante, Luis Eduardo Echeverria Correa, Joao Lima, Rachel Marcus, Jose Antonio Marin-Neto, Ricardo Migliore, Jose Milei, Carlos A Morillo, Maria Carmo Pereira Nunes, Marcelo Luiz Campos Vieira, Rodolfo Viotti
No abstract text is available yet for this article.
January 2018: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29300784/exceptional-discovery-of-a-shallow-water-hydrothermal-site-in-the-sw-area-of-basiluzzo-islet-aeolian-archipelago-south-tyrrhenian-sea-an-environment-to-preserve
#13
Valentina Esposito, Franco Andaloro, Simonepietro Canese, Giovanni Bortoluzzi, Marzia Bo, Marcella Di Bella, Francesco Italiano, Giuseppe Sabatino, Pietro Battaglia, Pierpaolo Consoli, Patrizia Giordano, Federico Spagnoli, Violetta La Cono, Michail M Yakimov, Gianfranco Scotti, Teresa Romeo
The geological, biological and geochemical features of a particular field of hydrothermal vents, discovered in the Panarea Volcanic Complex during a research survey carried out in 2015, are described for the first time. The site, located at 70-80 m depth off the South-western coast of the islet of Basiluzzo, was named Smoking Land for the presence of a large number of wide and high active chimneys and was characterized in terms of dissolved benthic fluxes, associated macrofauna and megafauna communities and preliminary mineralogy and geochemistry of chimney structures...
2018: PloS One
https://www.readbyqxmd.com/read/29287210/combined-use-of-radiocarbon-and-stable-carbon-isotope-to-constrain-the-sources-and-cycling-of-particulate-organic-carbon-in-a-large-freshwater-lake-china
#14
Jingan Chen, Haiquan Yang, Yan Zeng, Jianyang Guo, Yilong Song, Wei Ding
The concentrations and isotopic compositions of dissolved inorganic carbon (DIC) and particulate organic carbon (POC) were measured in order to better constrain the sources and cycling of POC in Lake Fuxian, the largest deep freshwater lake in China. Model results based on the combined δ13C and Δ14C, showed that the average lake-wide contributions of autochthonous POC, terrestrial POC, and resuspended sediment POC to the bulk POC in Lake Fuxian were 61%, 22%, and 17%, respectively. This indicated autochthonous POC might play a dominant role in sustaining large oligotrophic lake ecosystem...
December 26, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29284430/successful-anticoagulant-therapy-for-disseminated-intravascular-coagulation-during-conservative-management-of-placenta-percreta-a-case-report-and-literature-review
#15
Shinya Matsuzaki, Kiyoshi Yoshino, Masayuki Endo, Takuji Tomimatsu, Tsuyoshi Takiuchi, Kazuya Mimura, Keiichi Kumasawa, Yutaka Ueda, Tadashi Kimura
BACKGROUND: Placenta percreta is a rare obstetric condition associated with the risk of massive intraoperative hemorrhage. Recently, conservative management of placenta percreta has been performed to reduce maternal morbidity. However, various complications have been reported during such management. Only a few cases of asymptomatic disseminated intravascular coagulation (DIC) or fever without infection have been reported. Here, we discuss such a case and review the related literature to understand this rare condition better...
December 29, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29279488/tafro-syndrome-with-disseminated-intravascular-coagulation-successfully-treated-with-tocilizumab-and-recombinant-thrombomodulin
#16
Yusuke Takayama, Tetsuya Kubota, Yoshitaka Ogino, Hiroshi Ohnishi, Kazuto Togitani, Akihito Yokoyama
TAFRO syndrome is a systemic inflammatory disorder that is characterized by thrombocytopenia, anasarca, myelofibrosis, renal dysfunction, and organomegaly. Although thrombocytopenia is one of the major features of TAFRO syndrome, complications of disseminated intravascular coagulation (DIC) are not common. The therapeutic strategy for TAFRO syndrome complicated by DIC has not been established. We herein describe a case of TAFRO syndrome with DIC that was successfully treated with tocilizumab (an anti-IL-6 receptor antibody) and recombinant thrombomodulin (rTM)...
December 27, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29259653/cytokeratin-20-p53-dual-immunocytochemistry-for-improving-the-diagnostic-accuracy-of-urine-liquid-based-cytology-in-the-detection-of-urothelial-neoplasm-a-retrospective-study
#17
Hyun-Jung Kim, Ji-Hyeong Yoo
Backgrounds: Dual immunocytochemistry (DIC) with cytokeratin (CK) 20 and p53 in liquid-based cytology is a tool for improving the accuracy of urine cytology (UC). This study was conducted to compare the diagnostic accuracy of UC alone with that of UC combined with CK20/p53 DIC. Methods: We retrieved urine samples collected between January 2015 and March 2016 stored in PreservCyt®solution that were from cases categorized as malignant, highly suspicious, suspicious, and atypical and that were matched with a subsequent biopsy...
2017: CytoJournal
https://www.readbyqxmd.com/read/29259161/revealing-chiral-cell-motility-by-3d-riesz-transform-differential-interference-contrast-microscopy-and-computational-kinematic-analysis
#18
Atsushi Tamada, Michihiro Igarashi
Left-right asymmetry is a fundamental feature of body plans, but its formation mechanisms and roles in functional lateralization remain unclear. Accumulating evidence suggests that left-right asymmetry originates in the cellular chirality. However, cell chirality has not yet been quantitatively investigated, mainly due to the absence of appropriate methods. Here we combine 3D Riesz transform-differential interference contrast (RT-DIC) microscopy and computational kinematic analysis to characterize chiral cellular morphology and motility...
December 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/29232592/the-impact-of-oral-arsenic-and-all-trans-retinoic-acid-on-coagulopathy-in-acute-promyelocytic-leukemia
#19
Hong-Hu Zhu, Zhi-Ping Guo, Jin-Song Jia, Qian Jiang, Hao Jiang, Xiao-Jun Huang
The aim of our study was to evaluate the impact of oral arsenic (the realgar-indigo naturalis formula, RIF) and all-trans retinoic acid (ATRA) on coagulopathy in acute promyelocytic leukemia (APL) compared with intravenous arsenic trioxide (ATO) and ATRA during induction. Mitoxantrone was added to all the patients at a dose of 1.4mg/m2 per day for 5-7 days. D-dimer levels, prothrombin time (PT), fibrinogen (Fbg) levels and the platelet count were comparably analyzed among 83 newly diagnosed APL patients treated with RIF (n=45) or with ATO (n=38)...
November 15, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29232381/effects-of-experimental-nitrogen-fertilization-on-planktonic-metabolism-and-co2-flux-in-a-hypereutrophic-hardwater-lake
#20
Matthew J Bogard, Kerri Finlay, Marley J Waiser, Vijay P Tumber, Derek B Donald, Emma Wiik, Gavin L Simpson, Paul A Del Giorgio, Peter R Leavitt
Hardwater lakes are common in human-dominated regions of the world and often experience pollution due to agricultural and urban effluent inputs of inorganic and organic nitrogen (N). Although these lakes are landscape hotspots for CO2 exchange and food web carbon (C) cycling, the effect of N enrichment on hardwater lake food web functioning and C cycling patterns remains unclear. Specifically, it is unknown if different eutrophication scenarios (e.g., modest non point vs. extreme point sources) yield consistent effects on auto- and heterotrophic C cycling, or how biotic responses interact with the inorganic C system to shape responses of air-water CO2 exchange...
2017: PloS One
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