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Distributive shock

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https://www.readbyqxmd.com/read/29158484/the-hsf1-parp13-parp1-complex-facilitates-dna-repair-and-promotes-mammary-tumorigenesis
#1
Mitsuaki Fujimoto, Ryosuke Takii, Eiichi Takaki, Arpit Katiyar, Ryuichiro Nakato, Katsuhiko Shirahige, Akira Nakai
Poly(ADP-ribose) polymerase 1 (PARP1) is involved in DNA repair, chromatin structure, and transcription. However, the mechanisms that regulate PARP1 distribution on DNA are poorly understood. Here, we show that heat shock transcription factor 1 (HSF1) recruits PARP1 through the scaffold protein PARP13. In response to DNA damage, activated and auto-poly-ADP-ribosylated PARP1 dissociates from HSF1-PARP13, and redistributes to DNA lesions and DNA damage-inducible gene loci. Histone deacetylase 1 maintains PARP1 in the ternary complex by inactivating PARP1 through deacetylation...
November 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/29148802/ppb-peptide-mediated-sirna-loaded-stable-nucleic-acid-lipid-nanoparticles-on-targeting-therapy-of-hepatic-fibrosis
#2
Zongxiang Jia, Yan Gong, Yufang Pi, Xueying Liu, Lipeng Gao, Liqing Kang, Jing Wang, Fan Yang, Jie Tang, Weiyue Lu, Qinghua Li, Wei Zhang, Zhiqiang Yan, Lei Yu
Hepatic fibrosis is a necessary process in the development of liver diseases such as hepatic cirrhosis and its complications, which has become a serious threat to human health. Currently, antifibrotic drug treatment is ineffective, and one of the reasons should be the lack of liver targeting ability. In this report, polypeptide pPB modified stable nucleic acid lipid nanoparticles (pPB-SNALP) were prepared to selectively deliver siRNAs against heat shock protein 47 (HSP47) to liver for targeted therapy of hepatic fibrosis...
November 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29148083/macroscopic-and-microscopic-analyses-in-flexor-tendons-of-the-tarsometatarso-phalangeal-joint-of-ostrich-struthio-camelus-foot-with-energy-storage-and-shock-absorption
#3
Rui Zhang, Dianlei Han, Gang Luo, Lei Ling, Guoyu Li, Qiaoli Ji, Jianqiao Li
Flexor tendons function as energy storage and shock absorption structures in the tarsometatarso-phalangeal joint (TMTPJ) of ostrich feet during high-speed and heavy-load locomotion. In this study, mechanisms underlying the energy storage and shock absorption of three flexor tendons of the third toe were studied using histology and scanning electron microscopy (SEM). Macroscopic and microscopic structures of the flexor tendons in different positions of TMTPJ were analyzed. Histological slices showed collagen fiber bundles of all flexor tendons in the middle TMTPJ were arranged in a linear-type, but in the proximal and distal TMTPJ, a wavy-type arrangement was found in the tendon of the M...
November 17, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/29147069/expression-profiling-of-long-noncoding-rna-splice-variants-in-human-microvascular-endothelial-cells-lipopolysaccharide-effects-in-vitro
#4
Imran H Chowdhury, Hema P Narra, Abha Sahni, Kamil Khanipov, Casey L C Schroeder, Jignesh Patel, Yuriy Fofanov, Sanjeev K Sahni
Endothelial cell interactions with lipopolysaccharide (LPS) involve both activating and repressing signals resulting in pronounced alterations in their transcriptome and proteome. Noncoding RNAs are now appreciated as posttranscriptional and translational regulators of cellular signaling and responses, but their expression status and roles during endothelial interactions with LPS are not well understood. We report on the expression profile of long noncoding (lnc) RNAs of human microvascular endothelial cells in response to LPS...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29142251/reverse-stress-testing-interbank-networks
#5
Daniel Grigat, Fabio Caccioli
We reverse engineer dynamics of financial contagion to find the scenario of smallest exogenous shock that, should it occur, would lead to a given final systemic loss. This reverse stress test can be used to identify the potential triggers of systemic events, and it removes the arbitrariness in the selection of shock scenarios in stress testing. We consider in particular the case of distress propagation in an interbank market, and we study a network of 44 European banks, which we reconstruct using data collected from banks statements...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141498/incidence-and-natural-progression-of-neurogenic-shock-following-traumatic-spinal-cord-injury
#6
Ian A Ruiz, Jordan W Squair, Aaron A Phillips, Christine D Lukac, Dayan Huang, Patrick Oxciano, Dong Yan, Andrei V Krassioukov
Neurogenic shock, a distributive type of circulatory shock following spinal cord injury (SCI), results in profound hypotension. The consequent hemodynamic instability complicates clinical management, delays surgical intervention, and impacts neurological outcome. Moreover, the reported incidence of this condition varies significantly. Here, we establish the true incidence of neurogenic shock by comparing the most common clinical definitions used to diagnose the condition. Further, we characterize the acute progression and recovery of neurogenic shock...
November 15, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29139278/improving-pain-control-in-diabetic-neuropathy
#7
Peter Paisley, Mick Serpell
Diabetic neuropathy is thought to affect 1.9% of the world’s population and 50% of patients with a diagnosis of diabetes mellitus which would equate to 2.25 million people in the UK. The term diabetic neuropathy includes multiple distinct clinical entities that have been classified under the broad headings of focal and multifocal neuropathies and symmetrical neuropathies. Peripheral diabetic neuropathy, a chronic distal symmetrical predominantly sensory neuropathy, is the most common form of diabetic neuropathy...
March 2017: Practitioner
https://www.readbyqxmd.com/read/29133071/red-blood-cell-distribution-width-is-associated-with-mortality-in-elderly-patients-with-sepsis
#8
An-Yi Wang, Hon-Ping Ma, Wei-Fong Kao, Shin-Han Tsai, Cheng-Kuei Chang
INTRODUCTION: RDW is a prognostic biomarker and associated with mortality in cardiovascular disease, stroke and metabolic syndrome. For elderly patients, malnutrition and multiple comorbidities exist, which could affect the discrimination ability of RDW in sepsis. The main purpose of our study was to evaluate the prognostic value of RDW in sepsis among elderly patients. METHODS: This was a retrospective cohort study conducted in emergency department intensive care units (ED-ICU) between April 2015 and November 2015...
November 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29126631/antioxidant-response-to-heat-stress-in-seagrasses-a-gene-expression-study
#9
O Tutar, L Marín-Guirao, J M Ruiz, G Procaccini
Seawater warming associated to the ongoing climate change threatens functioning and survival of keystone coastal benthic species such as seagrasses. Under elevated temperatures, the production of reactive oxygen species (ROS) is increased and plants must activate their antioxidant defense mechanisms to protect themselves from oxidative damage. Here we explore from a molecular perspective the ability of Mediterranean seagrasses to activate heat stress response mechanisms, with particular focus on antioxidants...
October 27, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29125500/bessel-like-functional-distributions-in-brain-average-evoked-potentials
#10
Antonio Capolupo, Robert Kozma, Andrés Olivares Del Campo, Giuseppe Vitiello
Average evoked potential data recorded as impulse responses of brains to electric shocks show Bessel-like functional distributions which we analyze in terms of couples of damped/amplified oscillators. This reproduces results obtained in terms of ordinary differential equations (Freeman K-sets) and offers the possibility of a direct connection with the dissipative model of brain in the quantum gauge field theory paradigm. We study the control mechanism by fine tuning the model parameters and the brain property of discriminating between two similar behaviors or perceptions...
November 7, 2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/29124112/concise-informed-consent-to-increase-data-and-biospecimen-access-may-accelerate-innovative-alzheimer-s-disease-treatments
#11
REVIEW
Ann M Hake, Penny A Dacks, Stephen P Arnerić
Introduction: Informed consent forms that restrict the distribution of data and samples have been an impediment to advancing Alzheimer's disease (AD) understandings and treatments. The Coalition Against Major Disease public-private partnership developed concise addenda to responsibly broaden data access of informed consent forms. Methods: Coalition Against Major Disease members identified key elements for ensuring data and biospecimen access, and patient privacy protection according to applicable US law...
November 2017: Alzheimer's & Dementia: Translational Research & Clinical Interventions
https://www.readbyqxmd.com/read/29120554/accommodation-to-diagnosis-of-trigeminal-neuralgia
#12
Vanja Bašić Kes, Lucija Zadro Matovina
Trigeminal neuralgia is one of the most common causes of facial pain. It implies short lasting episodes of unilateral electric shock-like pain with abrupt onset and termination, in the distribution of one or more divisions of the trigeminal nerve that are triggered by innocuous stimuli. Most cases of trigeminal neuralgia are caused by compression of the trigeminal nerve root. Depending on the etiology, trigeminal neuralgia can be classified as classic trigeminal neuralgia or painful trigeminal neuropathy. It may be precipitated by some actions at trigger zones...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29118875/a-fatal-case-of-intra-abdominal-hemorrhage-following-diagnostic-blind-percutaneous-liver-biopsy-in-a-patient-with-peliosis-hepatis
#13
Saptarshi Biswas, Shekhar Gogna, Prem Patel
Peliosis hepatis (PH) is a rare vascular condition of the liver characterized by the presence of cystic blood filled cavities distributed randomly throughout the liver parenchyma. We describe a case of a 42-year-old previously healthy male patient, airlifted to us in a state of hemorrhagic shock after undergoing percutaneous diagnostic liver biopsy for lesions seen on CT scan. Repeat CT scan with IV contrast on presentation in our hospital showed intraperitoneal bleeding. Hepatic angiography failed to identify any specific bleeding source...
October 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/29110981/distributive-shock-in-a-neonate-with-diffuse-infantile-hepatic-hemangioma
#14
James Brown, Rajan Arora, Usha Sethuraman
BACKGROUND: Hemangiomas are common cutaneous findings on healthy infants. These vascular malformations are generally benign, though in rare circumstances they can potentially be fatal. This is particularly true when the hemangiomas are large or numerous and occurring in visceral organs. Previously unrecognized visceral hemangiomas are part of the differential for any neonate presenting unexpectedly in shock. CASE REPORT: A 10-day-old neonate presented to the pediatric emergency department with difficulty breathing...
October 27, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29100590/anemia-and-the-risk-of-life-threatening-ventricular-tachyarrhythmias-from-the-israeli-implantable-cardioverter-defibrillator-registry
#15
Ido Goldenberg, Alon Barsheshet, Avishag Laish-Farkash, Moshe Swissa, Jorge E Schliamser, Yoav Michowitz, Michael Glikson, Mahmoud Suleiman
Anemia was shown to be associated with increased risk for adverse events in patients with heart failure (HF). However, there are limited data on the association between anemia and the risk for ventricular arrhythmias (VAs) in patients with an implantable cardioverter defibrillator (ICD). The present study population comprised 2,352 patients who were enrolled and prospectively followed up in the Israeli ICD Registry. The risk for a first appropriate ICD shock for VA was assessed by the presence of anemia, categorized at the lower tertile of hemoglobin distribution (≤12 g/dL [n = 753])...
October 5, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29095963/comparative-evaluation-of-a-four-implant-supported-polyetherketoneketone-framework-prosthesis-a-three-dimensional-finite-element-analysis-based-on-cone-beam-computed-tomography-and-computer-aided-design
#16
Ki-Sun Lee, Sang-Wan Shin, Sang-Pyo Lee, Jong-Eun Kim, Jee-Hwan Kim, Jeong-Yol Lee
PURPOSE: The purpose of this pilot study was to evaluate and compare polyetherketoneketone (PEKK) with different framework materials for implant-supported prostheses by means of a three-dimensional finite element analysis (3D-FEA) based on cone beam computed tomography (CBCT) and computer-aided design (CAD) data. MATERIALS AND METHODS: A geometric model that consisted of four maxillary implants supporting a prosthesis framework was constructed from CBCT and CAD data of a treated patient...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29093190/upper-thermal-limits-of-growth-in-brook-trout-and-their-relationship-to-stress-physiology
#17
Joseph G Chadwick, Stephen D McCormick
Despite the threat of climate change, the physiological mechanisms responsible for reduced performance at high temperatures remain unclear for most species. Elevated but sublethal temperatures may act via endocrine and cellular stress responses to limit performance in important life-history traits such as growth. Here, brook trout (Salvelinus fontinalis) subjected to chronically elevated or daily oscillating temperatures were monitored for growth and physiological stress responses. Growth rate decreased at temperatures above 16°C and was negative at 24°C, with an estimated upper limit for positive growth of 23...
November 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29092188/design-and-fabrication-of-distributed-bragg-reflector-multilayers-for-dynamic-pressure-sensing
#18
Gyuhyon Lee, David A Scripka, Brent Wagner, Naresh N Thadhani, Zhitao Kang, Christopher J Summers
A novel 2D-surface shock pressure sensor is designed and tested based on 1D-Photonic Crystal, i.e., Distributed Bragg Reflector Multilayer (DBR/ML) structures. The fast opto-mechanical response of these structures to changes in layer thicknesses and refractive indices are ideally suited for dynamic pressure sensing. They offer the potential to minimize acoustic impedance mismatch between the material layers, and most importantly, the potential to monitor both temporal and spatial (lateral) variations during shock compression...
October 30, 2017: Optics Express
https://www.readbyqxmd.com/read/29091629/temperature-characterization-of-a-radiating-gas-layer-using-digital-single-lens-reflex-camera-based-two-color-ratio-pyrometry
#19
Sneh Deep, Yedhu Krishna, Gopalan Jagadeesh
The two-color ratio pyrometry technique using a digital single-lens reflex camera has been used to measure the time-averaged and path-integrated temperature distribution in the radiating shock layer in a high-enthalpy flow. A 70 mm diameter cylindrical body with a 70 mm long spike was placed in a hypersonic shock tunnel, and the region behind the shock layer was investigated. The systematic error due to contributions from line emissions was corrected by monitoring the emission spectrum from this region using a spectrometer...
October 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/29084071/a-study-of-red-cell-distribution-width-in-neonatal-sepsis
#20
Dalia Monir Ellahony, Muhammad S El-Mekkawy, Marwa M Farag
OBJECTIVES: The objective of this study was to evaluate a new nontraditional value of the red cell distribution width (RDW) in predicting the clinical outcome of neonatal sepsis. METHODS: In this retrospective study, data were collected from the medical files of 500 full-term neonates with a diagnosis of early onset or late onset sepsis. Baseline RDW and other traditional biomarkers, including C-reactive protein (CRP), total leucocytic count, and platelet count were analyzed in light of the clinical data...
October 27, 2017: Pediatric Emergency Care
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