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https://www.readbyqxmd.com/read/29778050/the-association-between-ptsd-and-facial-affect-recognition
#1
Christian L Williams, Melissa E Milanak, Matt R Judah, Howard Berenbaum
The major aims of this study were to examine how, if at all, having higher levels of PTSD would be associated with performance on a facial affect recognition task in which facial expressions of emotion are superimposed on emotionally valenced, non-face images. College students with trauma histories (N = 90) completed a facial affect recognition task as well as measures of exposure to traumatic events, and PTSD symptoms. When the face and context matched, participants with higher levels of PTSD were significantly more accurate...
May 5, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29777876/poly-adenine-mediated-fluorescent-spherical-nucleic-acid-probes-for-live-cell-imaging-of-endogenous-tumor-related-mrna
#2
Dan Zhu, Dongxia Zhao, Jiaxuan Huang, Yu Zhu, Jie Chao, Shao Su, Jiang Li, Lihua Wang, Jiye Shi, Xiaolei Zuo, Lixing Weng, Qian Li, Lianhui Wang
Identification of tumor-related mRNA in living cells hold great promise for early cancer diagnosis and pathological research. Herein, we present poly-adenine (polyA)-mediated fluorescent spherical nucleic acid (FSNA) probes for intracellular mRNA detection with regulable sensitivities by programmably adjusting the loading density of DNA on gold nano-interface. Gold nanoparticles (AuNPs) functionalized with polyA-tailed recognition sequences were hybridized to fluorescent "reporter" strands to fabricate fluorescence-quenched FSNA probes...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29777769/a-combined-approach-for-the-early-recognition-of-acute-kidney-injury-after-adult-cardiac-surgery
#3
Cédrick Zaouter, Julien Potvin, Marie-Lise Bats, Marie-Christine Beauvieux, Alain Remy, Alexandre Ouattara
BACKGROUND: Cardiac surgery-associated acute kidney injury (CSA-AKI) is a frequent complication. The current criteria to detect CSA-AKI rise only when organic dysfunction has occurred. The Doppler Renal Resistive Index (RRI) and the urinary G1 cell cycle arrest proteins (TIMP-2 and IGFBP7) have been advocated to predict CSA-AKI at an early stage after cardiac surgery. The primary objective was to determine the predictive value of these new markers to detect CSA-AKI after elective heart surgery in patients at risk to develop AKI...
May 16, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29777721/pentraxins-crp-i-and-crp-ii-are-post-translationally-deiminated-and-differ-in-tissue-specificity-in-cod-gadus-morhua-l-ontogeny
#4
Bergljót Magnadóttir, Polly Hayes, Berglind Gísladóttir, Birkir Þór Bragason, Mariya Hristova, Anthony P Nicholas, Sigríður Guðmundsdóttir, Sigrun Lange
Pentraxins are fluid phase pattern recognition molecules that form an important part of the innate immune defence and are conserved between fish and human. In Atlantic cod (Gadus morhua L.), two pentraxin-like proteins have been described, CRP-I and CRP-II. Here we show for the first time that these two CRP forms are post-translationally deiminated (an irreversible conversion of arginine to citrulline) and differ with respect to tissue specific localisation in cod ontogeny from 3 to 84 days post hatching. While both forms are expressed in liver, albeit at temporally differing levels, CRP-I shows a strong association with nervous tissue while CRP-II is strongly associated to mucosal tissues of gut and skin...
May 16, 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29777719/purification-and-identification-of-an-actinomycin-d-analogue-from-actinomycetes-associated-with-ganoderma-applanatum-via-magnetic-molecularly-imprinted-polymers-and-tandem-mass-spectrometry
#5
Chang-Gen Li, Bo Yuan, Meng-Meng Dong, Pin-Yu Zhou, Yu-Xin Hao, Ying-Ying Sun, Meng-Ke Xu, Dan Li, Guo-Yin Kai, Ji-Hong Jiang
Actinomycetes are main producers of antibiotics and targeted screening could improve the efficiency of discovering new drugs. This study describes, for the first time, the isolation of endophytic actinomycetes from the macrofungus Ganoderma applanatum. To increase the efficiency of screening, novel actinomycin D (Act D) molecularly-imprinted polymers were adsorbed to the surface of Fe3 O4 @SiO2 magnetic microspheres (MMIPs) and using in the isolation. A monolithic column prepared with magnetic molecularly imprinted polymers was employed to adsorb actinomycin D and its analogues for selective analysis and identification via MS/MS spectroscopy...
May 16, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29777655/long-term-outcomes-in-systemic-sclerosis-associated-pulmonary-arterial-hypertension-from-the-pulmonary-hypertension-assessment-and-recognition-of-outcomes-in-scleroderma-registry-pharos
#6
Kathleen D Kolstad, Shufeng Li, Virginia Steen, Lorinda Chung
BACKGROUND: Pulmonary arterial hypertension (PAH) is a leading cause of death in patients with systemic sclerosis (SSc). The purpose of this study was to assess long-term outcomes in patients with SSc-PAH. METHODS: Pulmonary Hypertension Assessment and Recognition of Outcomes in Scleroderma is a prospective registry of SSc patients at high risk for or with incident pulmonary hypertension based on right heart catheterization (RHC). Incident World Health Organization Group I PAH patients were analyzed...
May 16, 2018: Chest
https://www.readbyqxmd.com/read/29777634/characterisation-of-the-outer-membrane-proteome-of-francisella-noatunensis-subsp-orientalis
#7
Khalid Shahin, Kim D Thompson, Neil F Inglis, Kevin Mclean, Jose Gustavo Ramirez-Paredes, Sean J Monaghan, Rowena Hoare, Michael Fontaine, Matthijs Metselaar, Alexandra Adams
AIMS: The aims of the current study were to characterise the outer membrane proteins (OMPs) of Francisella noatunensis subsp. orientalis (Fno) STIR-GUS-F2f7, and identify proteins recognised by sera from tilapia, Oreochromis niloticus, (L) that survived experimental challenge with Fno. METHODS AND RESULTS: The composition of the OMPs of a virulent strain of Fno (STIR-GUS- F2f7), isolated from diseased red Nile tilapia in UK, was examined. The sarcosine-insoluble OMP fraction was screened with tilapia hyper-immune sera by western blot analysis following separation of the proteins by 1D SDS-PAGE...
May 19, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29777608/osteocalcin-value-to-identify-subclinical-atherosclerosis-over-atherosclerotic-cardiovascular-disease-ascvd-risk-score-in-middle-aged-and-elderly-chinese-asymptomatic-men
#8
Yiting Xu, Xiaojing Ma, Qin Xiong, Xueli Zhang, Yun Shen, Yuqian Bao
BACKGROUND: Our study examined whether osteocalcin contributed to identifying carotid intima-media thickness (C-IMT) over the atherosclerotic cardiovascular disease (ASCVD) risk score. METHODS: We recruited 618 middle-aged and elderly men from communities in Shanghai. Serum osteocalcin levels were determined using an electrochemiluminescence immunoassay. C-IMT was measured by ultrasonography. RESULTS: The study included 245 men with low ASCVD risk and 373 men with moderate-to-high ASCVD risk...
May 19, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29777584/neuropsychiatric-expression-and-catatonia-in-22q11-2-deletion-syndrome-an-overview-and-case-series
#9
Nancy J Butcher, Erik Boot, Anthony E Lang, Danielle Andrade, Jacob Vorstman, Donna McDonald-McGinn, Anne S Bassett
Individuals with 22q11.2 deletion syndrome (22q11.2DS) are at elevated risk of developing treatable psychiatric and neurological disorders, including anxiety disorders, schizophrenia, seizures, and movement disorders, often beginning in adolescence or early to mid-adulthood. Here, we provide an overview of neuropsychiatric features associated with 22q11.2DS in adulthood. Results of a new case series of 13 individuals with 22q11.2DS and catatonic features together with 5 previously reported cases support a potential association of this serious psychomotor phenotype with the 22q11...
May 19, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29777554/development-and-feasibility-testing-of-an-avatar-based-education-application-for-patients-with-acute-coronary-syndrome
#10
Jintana Tongpeth, Hui Yun Du, Robyn A Clark
AIMS: To develop and evaluate an interactive, avatar-based education application, for improving patients' knowledge of, and response to, ACS symptoms. BACKGROUND: A patient's ability to recognise and respond to the symptoms of acute coronary syndrome (ACS) is imperative for seeking timely medical intervention. Innovative patient education interventions are needed to support patient education and patient self-care. METHODS: Participatory action research methods were used to engage consumers with cardiac and IT experts to develop an avatar-based education application...
May 18, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29777327/intensity-discrimination-and-speech-recognition-of-cochlear-implant-users
#11
Colette M McKay, Natalie Rickard, Katherine Henshall
The relation between speech recognition and within-channel or across-channel (i.e., spectral tilt) intensity discrimination was measured in nine CI users (11 ears). Within-channel intensity difference limens (IDLs) were measured at four electrode locations across the electrode array. Spectral tilt difference limens were measured with (XIDL-J) and without (XIDL) level jitter. Only three subjects could perform the XIDL-J task with the amount of jitter required to limit use of within-channel cues. XIDLs (normalized to %DR) were correlated with speech recognition (r = 0...
May 17, 2018: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/29777175/artificial-intelligence-in-radiology
#12
REVIEW
Ahmed Hosny, Chintan Parmar, John Quackenbush, Lawrence H Schwartz, Hugo J W L Aerts
Artificial intelligence (AI) algorithms, particularly deep learning, have demonstrated remarkable progress in image-recognition tasks. Methods ranging from convolutional neural networks to variational autoencoders have found myriad applications in the medical image analysis field, propelling it forward at a rapid pace. Historically, in radiology practice, trained physicians visually assessed medical images for the detection, characterization and monitoring of diseases. AI methods excel at automatically recognizing complex patterns in imaging data and providing quantitative, rather than qualitative, assessments of radiographic characteristics...
May 17, 2018: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/29777138/shining-light-on-molecular-mechanism-for-odor-selectivity-of-cnt-immobilized-olfactory-receptor
#13
Liyun Zhang, Yuan Yuan, Tian Ren, Yanzhi Guo, Chuan Li, Xuemei Pu
Olfactory receptor (OR)-based bioelectronic nose is a new type of bio-affinity sensor applied for detecting numerous odorant molecules. In order to elucidate the effect of the adsorption of nanomaterial carriers on the receptor structure and its selectivity to odors, we used a systematic computation-scheme to study two OR models immobilized onto carbon nanotube. Our result indicates that there is a multistep OR-adsorption process driven by hydrophobic interaction. Many allosteric communication pathways exist between the absorbed residues and the pocket ones, leading to a significant shrinkage of the pocket...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776973/challenges-in-end-of-life-dementia-care
#14
REVIEW
Anne A Fetherston, Grace Rowley, Charlotte L Allan
Dementia is a chronic, progressive disease that is now much more widely recognised and treated. Patients with dementia may require palliative care when they reach the end stage of their illness, or they may have mild-moderate cognitive symptoms comorbid with a life-limiting illness. The variety of presentations necessitates a highly individual approach to care planning, and patients should be encouraged to set their own goals and contribute to advanced care planning where possible. Assessment and management of distressing symptoms at the end of life can be greatly helped by a detailed knowledge of the individuals' prior wishes, interdisciplinary communication and recognition of changes in presentation that may result from new symptoms, for example, onset of pain, nutritional deficits and infection...
May 18, 2018: Evidence-based Mental Health
https://www.readbyqxmd.com/read/29776940/successful-treatment-of-fulminant-neonatal-enteroviral-myocarditis-in-monochorionic-diamniotic-twins-with-cardiopulmonary-support-intravenous-immunoglobulin-and-pocapavir
#15
Shahnawaz M Amdani, Hannah S Kim, Anthony Orvedahl, Audrey Odom John, Ahmed Said, Kathleen Simpson
Neonatal cardiogenic shock most commonly occurs due to critical congenital heart disease, sepsis, metabolic disorder or arrhythmias. In particular, enterovirus infections are common in the neonatal period, and patients can present with fulminant myocarditis. Early recognition is imperative due to its high morbidity and mortality without prompt and aggressive treatment. We present the successful treatment of fulminant neonatal enteroviral myocarditis in a pair of monochorionic diamniotic twins with cardiopulmonary support, intravenous immunoglobulin and pocapavir, an enteroviral capsid inhibitor...
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29776826/recognition-of-sympathetic-crashing-acute-pulmonary-edema-scape-and-use-of-high-dose-nitroglycerin-infusion
#16
Samantha Paone, Leigha Clarkson, Billy Sin, Sheena Punnapuzha
Sympathetic Crashing Acute Pulmonary Edema (SCAPE), or flash pulmonary edema, is the extreme end of the acute pulmonary edema spectrum. A sympathetic surge occurs as a result of decreased systemic perfusion resulting in further increases in afterload, causing the patient to decompensate. Patients can decompensate quickly, therefore patients require rapid interventions. The use of high-dose nitroglycerin (HDN) has been a topic of interest as it is believed to achieve preload and afterload reduction. However, its use continues to be controversial due to concerns of drug induced hypotension, syncope or paresthesia...
May 10, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29776613/high-resolution-melting-analysis-hrm-for-the-assessment-of-clonality-in-feline-b-cell-lymphomas
#17
Manfred Henrich, Svenja Scheffold, Werner Hecht, Manfred Reinacher
Analysis of clonality is gaining importance in diagnosing lymphomas in veterinary medicine. Usually, PCR for the analysis of antigen receptor rearrangement (PARR) is followed by electrophoretic separation of the PCR products. Aim of this study was to test the feasibility of HRM for the assessment of clonality in B-cell lymphomas of cats. High resolution melting analysis differentiates PCR products by their different melting point using the decrease in fluorescence of an intercalating dye during melting of the PCR product...
June 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29776605/g-protein-coupled-receptor-resensitization-paradigms
#18
Manveen K Gupta, Maradumane L Mohan, Sathyamangla V Naga Prasad
Cellular responses to extracellular milieu/environment are driven by cell surface receptors that transmit the signal into the cells resulting in a synchronized and measured response. The ability to provide such exquisite responses to changes in external environment is mediated by the tight and yet, deliberate regulation of cell surface receptor function. In this regard, the seven transmembrane G protein-coupled receptors (GPCRs) are the largest family of cell surface receptors that regulate responses like cardiac contractility, vision, and olfaction including platelet activation...
2018: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/29776541/dual-channel-coded-microbeads-for-multiplexed-detection-of-biomolecules-using-assembling-of-quantum-dots-and-element-coding-nanoparticles
#19
Bangrong Lu, Qinghua He, Yonghong He, Xuejing Chen, Guangxia Feng, Siyu Liu, Yanhong Ji
To achieve the dual-channel (analog and digital) encoding, microbeads assembled with quantum dots (QDs) and element coding nanoparticles (ECNPs) have been prepared. Dual-spectra, including fluorescence generated from quantum dots (QDs) and laser induced breakdown spectrum obtained from the plasma of ECNPs, including AgO, MgO and ZnO nanoparticles, has been adopted to provide more encoding amounts and more accurate dual recognition for encoded microbeads in multiplexed utilization. The experimental results demonstrate that the single microbead can be decoded in two optical channels...
September 18, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29776429/assessing-adhd-symptoms-in-children-and-adults-evaluating-the-role-of-objective-measures
#20
Theresa S Emser, Blair A Johnston, J Douglas Steele, Sandra Kooij, Lisa Thorell, Hanna Christiansen
BACKGROUND: Diagnostic guidelines recommend using a variety of methods to assess and diagnose ADHD. Applying subjective measures always incorporates risks such as informant biases or large differences between ratings obtained from diverse sources. Furthermore, it has been demonstrated that ratings and tests seem to assess somewhat different constructs. The use of objective measures might thus yield valuable information for diagnosing ADHD. This study aims at evaluating the role of objective measures when trying to distinguish between individuals with ADHD and controls...
May 18, 2018: Behavioral and Brain Functions: BBF
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