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https://www.readbyqxmd.com/read/28538443/an-airway-management-protocol-after-anterior-cervical-spine-surgery-analysis-the-results-of-risk-factors-associated-with-airway-complication
#1
Moinay Kim, Il Choi, Jin Hoon Park, Sang Ryong Jeon, Seung Chul Rhim, Sung Woo Roh
STUDY DESIGN: Retrospective comparative cohort analysis. OBJECTIVE: To evaluate the effect of postoperative airway management protocol (ASAN Extubation Protocol, AEP) on incidence of airway complications for patients undergoing anterior cervical spine surgery (ACSS). SUMMARY OF BACKGROUND DATA: Postoperative airway compromise remains crucial for patients undergoing ACSS. Despite the potential severity of these complications, the data in the published literature addressing this issue is sparse...
May 19, 2017: Spine
https://www.readbyqxmd.com/read/28536266/two-proteins-for-the-price-of-one-structural-studies-of-the-dual-destiny-preproalbumin-with-sunflower-trypsin-inhibitor-1
#2
Bastian Franke, Amy M James, Mehdi Mobli, Michelle L Colgrave, Joshua S Mylne, K Johan Rosengren
Seed storage proteins are both an important source of nutrition for humans and essential for seedling establishment. Interestingly, unusual napin-type 2S seed storage albumin precursors in sunflower contain a sequence that is released as a macrocyclic peptide during post-translational processing. The mechanism by which such peptides emerge from linear precursors proteins has received increased attention, however the structural characterization of intact precursor proteins has been limited. Here we report the 3D NMR structure of the Helianthus annuus PreproAlbumin With Sunflower trypsin inhibitor-1 (PawS1), and provide new insights into the processing of this remarkable dual-destiny protein...
May 23, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28532068/synthetic-peptides-derived-from-salivary-proteins-and-the-control-of-surface-charge-densities-of-dental-surfaces-improve-the-inhibition-of-dental-calculus-formation
#3
Bernd Grohe
Peptides descended from the salivary proteins statherin and histatin were recently identified in saliva and the acquired enamel pellicle (AEP), a proteomic layer coated on enamel. In particular, the statherin phosphopeptide DpSpSEEKFLR (DSS) was found to adsorb to enamel-like hydroxyapatite and inhibit plaque-related crystal formation. To determine the mechanism of these processes, we studied peptide-crystal interactions based on the sequences DSS and RKFHEKHHSHRGYR (RKF). The latter is a basic histatin sequence showing antimicrobial effects...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28516227/impairment-in-mismatch-negativity-but-not-repetition-suppression-in-schizophrenia
#4
Brian A Coffman, Sarah M Haigh, Tim K Murphy, Dean F Salisbury
Schizophrenia is characterized by impaired auditory-evoked potentials (AEPs), mismatch negativity (MMN), and sensory gating of AEPs to repeated stimuli (repetition suppression, RS). In the predictive modeling framework, MMN and RS reflect encoding of prediction error and model sharpening, respectively. We compared P50, N100, P200 RS, and pitch and duration MMN in 26 participants diagnosed with schizophrenia (SZ) and 26 matched healthy controls (HC), and assessed relationships between MMN, RS, and SZ diagnosis...
May 17, 2017: Brain Topography
https://www.readbyqxmd.com/read/28511604/duplicated-or-hybridized-peptide-functional-domains-promote-oral-homeostasis
#5
T Basiri, N D Johnson, E B Moffa, Y Mulyar, P L Serra Nunes, M A A M Machado, W L Siqueira
Proteins that have existed for millions of years frequently contain repeats of functional domains within their primary structure, thereby improving their functional capacity. In the evolutionary young statherin protein contained within the in vivo-acquired enamel pellicle (AEP), we identified a single functional domain (DR9) located within the protein N-terminal portion that exhibits a higher affinity for hydroxyapatite and more efficient protection against enamel demineralization compared to other native statherin peptides...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28502691/long-term-seizure-quality-of-life-depression-and-verbal-memory-outcomes-in-a-controlled-mesial-temporal-lobe-epilepsy-surgical-series-using-portuguese-validated-instruments
#6
Luis Dias, Geisa Angelis, Wagner Teixeira, Luiz Casulari
OBJECTIVE: We aimed to evaluate long-term surgical outcomes in patients treated for mesial temporal lobe epilepsy (MTLE) compared to a similar group of patients that underwent a preoperative evaluation. METHODS: Patient interviews were conducted by an independent neuropsychologist and included a socio-demographic questionnaire and validated versions of the Beck Depression Inventory-II (BDI-II), Adverse Events Profile (AEP), Quality of Life in Epilepsy-31 (QOLIE-31), and Rey Auditory Verbal Learning Test (RAVLT)...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28499010/acute-eosinophilic-pneumonia-following-artenimol-piperaquine-exposure
#7
Lisa Fourmont, Matthieu Revest, Elisabeth Polard, Mathieu Lederlin, Philippe Delaval, Benoit Desrues, Pierre Tattevin, Stéphane Jouneau
Acute eosinophilic pneumonia (AEP) has been reported following chloroquine or mefloquine exposure, both structurally related to piperaquine. We report a case of AEP with typical CT scan patterns, hypereosinophilia in blood (9.8 109/l), and bronchoalveolar lavage (78% of 600 000 cells/ml), 10 days after artenimol-piperaquine exposure in a 26-year-old man.
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28427955/preventing-alcohol-and-tobacco-exposed-pregnancies-choices-plus-in-primary-care
#8
Mary M Velasquez, Kirk L von Sternberg, R Louise Floyd, Danielle Parrish, Alicia Kowalchuk, Nanette S Stephens, Britta Ostermeyer, Charles Green, J Paul Seale, Patricia Dolan Mullen
INTRODUCTION: Alcohol and tobacco use are common among U.S. women, yet if used during pregnancy these substances present significant preventable risks to prenatal and perinatal health. Because use of alcohol and tobacco often continue into the first trimester and beyond, especially among women with unintended pregnancies, effective evidence-based approaches are needed to decrease these risk behaviors. This study was designed to test the efficacy of CHOICES Plus, a preconception intervention for reducing the risk of alcohol- and tobacco-exposed pregnancies (AEPs and TEPs)...
April 17, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28414803/new-metric-for-optimizing-continuous-loop-averaging-deconvolution-clad-sequences-under-the-1-f-noise-model
#9
Xian Peng, Han Yuan, Wufan Chen, Tao Wang, Lei Ding
Continuous loop averaging deconvolution (CLAD) is one of the proven methods for recovering transient auditory evoked potentials (AEPs) in rapid stimulation paradigms, which requires an elaborated stimulus sequence design to attenuate impacts from noise in data. The present study aimed to develop a new metric in gauging a CLAD sequence in terms of noise gain factor (NGF), which has been proposed previously but with less effectiveness in the presence of pink (1/f) noise. We derived the new metric by explicitly introducing the 1/f model into the proposed time-continuous sequence...
2017: PloS One
https://www.readbyqxmd.com/read/28406091/daptomycin-associated-eosinophilic-pneumonia-with-rechallenge-a-case-report%C3%A2
#10
Melanie Nickerson, Ashish Bhargava, Pramodini B Kale-Pradhan
PURPOSE: A case of daptomycin-associated acute eosinophilic pneumonia (AEP) with positive rechallenge is reported. SUMMARY: AEP associated with daptomycin is reported in the literature, and the product labeling contains a warning and precaution statement. Criteria for diagnosing daptomycin-induced AEP varies and generally includes bronchoalveolar lavage (BAL) eosinophils ≥ 25%. We report a case of a 70-year-old woman with cough, shortness of breath, and altered mental status who presented ~ 9 days after starting therapy with daptomycin to treat methicillin-resistant Staphylococcus aureus (MRSA) osteomyelitis...
April 13, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28396594/human-primpol-activity-is-enhanced-by-rpa
#11
María I Martínez-Jiménez, Antonio Lahera, Luis Blanco
Human PrimPol is a primase belonging to the AEP superfamily with the unique ability to synthesize DNA primers de novo, and a non-processive DNA polymerase able to bypass certain DNA lesions. PrimPol facilitates both mitochondrial and nuclear replication fork progression either acting as a conventional TLS polymerase, or repriming downstream of blocking lesions. In vivo assays have shown that PrimPol is rapidly recruited to sites of DNA damage by interaction with the human replication protein A (RPA). In agreement with previous findings, we show here that the higher affinity of RPA for ssDNA inhibits PrimPol activities in short ssDNA templates...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28394257/cooperative-gene-activation-by-af4-and-dot1l-drives-mll-rearranged-leukemia
#12
Hiroshi Okuda, Boban Stanojevic, Akinori Kanai, Takeshi Kawamura, Satoshi Takahashi, Hirotaka Matsui, Akifumi Takaori-Kondo, Akihiko Yokoyama
The eleven-nineteen leukemia (ENL) protein family, composed of ENL and AF9, is a common component of 3 transcriptional modulators: AF4-ENL-P-TEFb complex (AEP), DOT1L-AF10-ENL complex (referred to as the DOT1L complex) and polycomb-repressive complex 1 (PRC1). Each complex associates with chromatin via distinct mechanisms, conferring different transcriptional properties including activation, maintenance, and repression. The mixed-lineage leukemia (MLL) gene often fuses with ENL and AF10 family genes in leukemia...
May 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28388882/an-abdominal-ectopic-pregnancy-following-a-frozen-thawed-art-cycle-a-case-report-and-review-of-the-literature
#13
Atsushi Yanaihara, Shirei Ohgi, Kenichirou Motomura, Yuko Hagiwara, Tae Mogami, Keisuke Saito, Takumi Yanaihara
BACKGROUND: Ectopic pregnancy (EP) occurs in 1% of pregnancies and is reported to be more common in in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) pregnancies. An abdominal ectopic pregnancy (AEP) is a rare form of EP, and there are few reports of an AEP after IVF/ICSI. In this case report, a rare case of AEP after frozen-thawed cycle of ICSI is presented. CASE PRESENTATION: After a frozen-thawed cycle of ICSI, the beta-human chorionic gonadotropin (HCG) level at 4 weeks 0 days of gestation was 3...
April 7, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28387007/preventing-alcohol-exposed-pregnancies-a-randomized-controlled-trial-of-a-self-administered-version-of-project-choices-with-college-students-and-nonstudents
#14
Linda Carter Sobell, Mark B Sobell, Kenneth Johnson, Nicholas Heinecke, Sangeeta Agrawal, Burt Bolton
BACKGROUND: Alcohol-exposed pregnancies (AEPs) are a preventable cause of birth defects and developmental disabilities for which many women are at risk. The initial 5-session Project CHOICES intervention was found to prevent AEPs. In the ensuing decade, there have been several additional CHOICES-like studies. This study, Project Healthy CHOICES, had 2 objectives: (i) to compare outcomes for students versus nonstudents; and (ii) to test a self-administered mail-based version of the Project CHOICES intervention...
April 7, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28377708/increased-evoked-potentials-to-arousing-auditory-stimuli-during-sleep-implication-for-the-understanding-of-dream-recall
#15
Raphael Vallat, Tarek Lajnef, Jean-Baptiste Eichenlaub, Christian Berthomier, Karim Jerbi, Dominique Morlet, Perrine M Ruby
High dream recallers (HR) show a larger brain reactivity to auditory stimuli during wakefulness and sleep as compared to low dream recallers (LR) and also more intra-sleep wakefulness (ISW), but no other modification of the sleep macrostructure. To further understand the possible causal link between brain responses, ISW and dream recall, we investigated the sleep microstructure of HR and LR, and tested whether the amplitude of auditory evoked potentials (AEPs) was predictive of arousing reactions during sleep...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28377706/cortical-measures-of-binaural-processing-predict-spatial-release-from-masking-performance
#16
Melissa A Papesh, Robert L Folmer, Frederick J Gallun
Binaural sensitivity is an important contributor to the ability to understand speech in adverse acoustical environments such as restaurants and other social gatherings. The ability to accurately report on binaural percepts is not commonly measured, however, as extensive training is required before reliable measures can be obtained. Here, we investigated the use of auditory evoked potentials (AEPs) as a rapid physiological indicator of detection of interaural phase differences (IPDs) by assessing cortical responses to 180° IPDs embedded in amplitude-modulated carrier tones...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28361683/comparative-network-stratification-analysis-for-identifying-functional-interpretable-network-biomarkers
#17
Chuanchao Zhang, Juan Liu, Qianqian Shi, Tao Zeng, Luonan Chen
BACKGROUND: A major challenge of bioinformatics in the era of precision medicine is to identify the molecular biomarkers for complex diseases. It is a general expectation that these biomarkers or signatures have not only strong discrimination ability, but also readable interpretations in a biological sense. Generally, the conventional expression-based or network-based methods mainly capture differential genes or differential networks as biomarkers, however, such biomarkers only focus on phenotypic discrimination and usually have less biological or functional interpretation...
March 14, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28345579/inhibition-of-delta-secretase-improves-cognitive-functions-in-mouse-models-of-alzheimer-s-disease
#18
Zhentao Zhang, Obiamaka Obianyo, Elfriede Dall, Yuhong Du, Haian Fu, Xia Liu, Seong Su Kang, Mingke Song, Shan-Ping Yu, Chiara Cabrele, Mario Schubert, Xiaoguang Li, Jian-Zhi Wang, Hans Brandstetter, Keqiang Ye
δ-secretase, also known as asparagine endopeptidase (AEP) or legumain, is a lysosomal cysteine protease that cleaves both amyloid precursor protein (APP) and tau, mediating the amyloid-β and tau pathology in Alzheimer's disease (AD). Here we report the therapeutic effect of an orally bioactive and brain permeable δ-secretase inhibitor in mouse models of AD. We performed a high-throughput screen and identified a non-toxic and selective δ-secretase inhibitor, termed compound 11, that specifically blocks δ-secretase but not other related cysteine proteases...
March 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28322452/macrocyclization-by-asparaginyl-endopeptidases
#19
REVIEW
Amy M James, Joel Haywood, Joshua S Mylne
Contents I. II. III. IV. References SUMMARY: Plant asparaginyl endopeptidases (AEPs) are important for the post-translational processing of seed storage proteins via cleavage of precursor proteins. Some AEPs also function as peptide bond-makers during the biosynthesis of several unrelated classes of cyclic peptides, namely the kalata-type cyclic peptides, PawS-Derived Peptides and cyclic knottins. These three families of gene-encoded peptides have different evolutionary origins, but all have recruited AEPs for their maturation...
March 21, 2017: New Phytologist
https://www.readbyqxmd.com/read/28286263/acute-eosinophilic-pneumonia-correlation-of-clinical-characteristics-with-underlying-cause
#20
Federica De Giacomi, Paul A Decker, Robert Vassallo, Jay H Ryu
BACKGROUND: Acute eosinophilic pneumonia (AEP) is an uncommon disease, often indistinguishable from acute respiratory distress syndrome or community-acquired pneumonia at initial presentation. AEP can be idiopathic but identifiable causes include medications and inhalational exposures including cigarette smoke. METHODS: Using a computer-assisted search, we retrospectively identified and reviewed the medical records of all patients diagnosed with AEP between January 1, 1998 and June 30, 2016 at our institution...
March 9, 2017: Chest
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