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https://www.readbyqxmd.com/read/28545475/urinary-neprilysin-in-the-critically-ill-patient
#1
Sahra Pajenda, Karl Mechtler, Ludwig Wagner
BACKGROUND: Critically ill patients in intensive care face hazardous conditions. Among these, acute kidney injury (AKI) is frequently seen as a result of sepsis. Early diagnosis of kidney injury is of the utmost importance in the guidance of interventions or avoidance of treatment-induced kidney injury. On these grounds, we searched for markers that could indicate proximal tubular cell injury. METHODS: Urine samples of 90 patients admitted to the intensive or intermediate care unit were collected over 2 to 5 days...
May 25, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28534394/sonochemical-synthesis-of-zinc-oxide-core-shell-nanorod-radial-p-n-homojunction-ultraviolet-photodetector
#2
Phani Kiran Vabbina, Raju Sinha, Arash Ahmadivand, Mustafa Karabiyik, Burak Gerislioglu, Osama Awadallah, Nezih Pala
We report for the first time, on the growth of homogeneous radial p-n junction in ZnO core-shell configuration with a p-doped ZnO nanoshell structure grown around a high quality un-intentionally n-doped ZnO nanorods using sonochemistry. The simultaneous decomposition of Phosphorous (P), Zinc (Zn) and Oxygen (O) from their respective precursors during sonication allows for the successful incorporation of P atoms in to the ZnO lattice. The as formed p-n junction shows a rectifying current - voltage characteristic consistent with a p-n junction with a threshold voltage of 1...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28531966/how-do-disturbances-and-climate-effects-on-carbon-and-water-fluxes-differ-between-multi-aged-and-even-aged-coniferous-forests
#3
Xuguang Tang, Hengpeng Li, Mingguo Ma, Li Yao, Matthias Peichl, Altaf Arain, Xibao Xu, Michael Goulden
Disturbances and climatic changes significantly affect forest ecosystem productivity, water use efficiency (WUE) and carbon (C) flux dynamics. A deep understanding of terrestrial feedbacks to such effects and recovery mechanisms in forests across contrasting climatic regimes is essential to predict future regional/global C and water budgets, which are also closely related to the potential forest management decisions. However, the resilience of multi-aged and even-aged forests to disturbances has been debated for >60years because of technical measurement constraints...
May 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28529243/over-expression-of-mir-21-and-lower-pten-levels-in-wilms-tumor-with-aggressive-behavior
#4
Mingyu Cui, Wei Liu, Lijuan Zhang, Feng Guo, Yang Liu, Fang Chen, Ting Liu, Rui Ma, Rongde Wu
Wilms' tumor (WT) is the most common pediatric kidney tumor. MiR-21 is one of the most frequently overexpressed microRNAs in solid tumors, while phosphatase and tensin homolog deleted from chromosome 10 (PTEN) is the most highly mutated tumor suppressor gene. The aim of this study was to investigate the relationship between miR-21 and PTEN in WT. The expression levels of miR-21 and the PTEN protein were determined by qRT-PCR and Western blot analyses in WT specimens, respectively. In WT tissues, the miR-21 expression levels were significantly higher and the PTEN protein levels were significantly lower, compared to the adjacent non-tumorous renal tissues...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28524743/nanoparticle-exposures-from-nano-enabled-toner-based-printing-equipment-and-human-health-state-of-science-and-future-research-needs
#5
Sandra Vanessa Pirela, John Martin, Dhimiter Bello, Philip Demokritou
Toner formulations used by laser printers (LP) and photocopiers (PC), collectively called "toner-based printing equipment" (TPE), are nano-enabled products (NEP) because they contain several engineered nanomaterials (ENM) that improve toner performance. It has been shown that during consumer use (printing), these ENM are released in the air, together with other semi-volatile organic nanoparticles, and newly formed gaseous co-pollutants such as volatile organic compounds (VOC). The aim of this review is to detail and analyze physico-chemical and morphological (PCM), as well as the toxicological properties of particulate matter (PM) emissions from TPE...
May 19, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28514954/needle-exchange-programs-for-the-prevention-of-hepatitis-c-virus-infection-in-people-who-inject-drugs-a-systematic-review-with-meta-analysis
#6
Stephen M Davis, Shay Daily, Alfgeir L Kristjansson, George A Kelley, Keith Zullig, Adam Baus, Danielle Davidov, Melanie Fisher
BACKGROUND: Previous research on the effectiveness of needle exchange programs (NEP) in preventing hepatitis C virus (HCV) in people who inject drugs (PWID) has shown mixed findings. The purpose of this study was to use the meta-analytic approach to examine the association between NEP use and HCV prevention in PWIDs. METHODS: Study inclusion criteria were (1) observational studies, (2) PWIDs, (3) NEP use, (4) HCV status ascertained by serological testing, (5) studies published in any language since January 1, 1989, and (6) data available for measures of association...
May 17, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28507471/seroepidemiological-study-of-toxoplasma-gondii-infection-in-a-population-of-iranian-epileptic-patients
#7
Jalal Babaie, Mohammad Sayyah, Kourosh Gharagozli, Ehsan Mostafavi, Majid Golkar
Epilepsy is one of the most common neurologic disorders. Underlying cause of epilepsy is unknown in 60 % of the patients. Toxoplasma gondii is an intracellular parasite which is capable of forming tissue cysts in brain of chronically infected hosts including humans. Some epidemiological studies suggested an association between toxoplasmosis and acquisition of epilepsy. In this study we determined seroprevalence of latent Toxoplasma infection in a population of Iranian epileptic patients. Participants were classified in three groups as Iranian epileptic patients (IEP, n = 414), non-epileptic patients who had other neurologic disorders (NEP, n = 150), and healthy people without any neurologic disorders (HP, n = 63)...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28489665/the-nogo-receptor-inhibits-proliferation-migration-and-axonal-extension-by-transcriptionally-regulating-wnk1-in-pc12-cells
#8
Tao Yang, Kai Zhao, Haifeng Shu, Xin Chen, Jingmin Cheng, Song Li, Ziyi Zhao, Yongqin Kuang, Sixun Yu
Neuronal regeneration and axonal regrowth mechanisms in the injured mammalian central nervous system are largely unknown. As part of a major pathway for inhibiting axonal regeneration, activated neuronal glycosylphosphatidylinositol-anchored Nogo receptor (NgR) interacts with LINGO-1 and p75NTR to form a complex at the cell surface. However, it was found in our previous report that upregulation of NgR stimulated by injury plays a key role in neuronal regeneration in the neonatal cortex freeze-lesion model, but its downstream signalling remains elusive...
May 6, 2017: Neuroreport
https://www.readbyqxmd.com/read/28489317/pharmacogenomics-of-angiotensin-receptor-neprilysin-inhibitor-and-its-long-term-side-effects
#9
REVIEW
Chayakrit Krittanawong, Takeshi Kitai
The development of the promising agent sacubitril/valsartan, known as an angiotensin receptor blocker-neprilysin inhibitor (ARNI), to improve heart failure (HF) management, may benefit morbidity, mortality, and readmission rates in patients with HF. The PARADIGM-HF trial demonstrated that the ARNI can reduce morbidity and mortality in patients with heart failure with reduced ejection fraction (HFrEF), while ongoing PARAMOUNT and PARAGON-HF trials determined whether the ARNI has morbidity and mortality benefits in patients with heart failure with preserved ejection fraction (HFpEF)...
May 10, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28472869/ion-beam-nanostructuring-of-hgcdte-ternary-compound
#10
Aleksey B Smirnov, Rada K Savkina, Ruslana S Udovytska, Oleksandr I Gudymenko, Vasyl P Kladko, Andrii A Korchovyi
Systematic study of mercury cadmium telluride thin films subjected to the ion beam bombardment was carried out. The evolution of surface morphology of (111) Hg1 - x Cd x Te (x ~ 0.223) epilayers due to 100 keV B(+) and Ag(+) ion irradiation was studied by AFM and SEM methods. X-ray photoelectron spectroscopy and X-ray diffraction methods were used for the investigation of the chemical compound and structural properties of the surface and subsurface region. It was found that in the range of nanoscale, arrays of holes and mounds on Hg0...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28466999/sarsasapogenin-aa13-ameliorates-a%C3%AE-induced-cognitive-deficits-via-improving-neuroglial-capacity-on-a%C3%AE-clearance-and-antiinflammation
#11
Cui Huang, Dong Dong, Qian Jiao, Hui Pan, Lei Ma, Rui Wang
AIMS: Sarsasapogenin has been reported to improve dementia symptoms somehow, probably through modulating the function of cholinergic system, suppressing neurofibrillary tangles, and inhibiting inflammation. However, the role of sarsasapogenin in response to beta-amyloid (Aβ) remains to be delineated. This study aimed to determine the therapeutic effect of sarsasapogenin-13 (AA13, a sarsasapogenin derivative) on learning and memory impairments in Aβ-injected mice, as well as the role of AA13 in neuroglia-mediated antiinflammation and Aβ clearance...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28459126/localization-of-nerve-entry-points-as-targets-to-block-spasticity-of-the-deep-posterior-compartment-muscles-of-the-leg
#12
Shuaiyu Hu, Lifan Zhuo, Xiaoming Zhang, Shengbo Yang
To identify the optimal body surface puncture locations and the depths of nerve entry points (NEPs) in the deep posterior compartment muscles of the leg, 60 lower limbs of thirty adult cadavers were dissected in prone position. A curved line on the skin surface joining the lateral to the medial epicondyles of the femur was taken as a horizontal reference line (H). Another curved line joining the lateral epicondyle of the femur to the lateral malleolus was designated the longitudinal reference line (L). Following dissection, the NEPs were labeled with barium sulfate and then subjected to spiral computed tomography scanning...
April 29, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28440068/correlates-of-verbal-and-physical-aggression-among-patrons-of-licensed-venues-in-australia
#13
Shannon Hyder, Kerri Coomber, Amy Pennay, Nicolas Droste, Ashlee Curtis, Richelle Mayshak, Tina Lam, William Gilmore, Tanya Chikritzhs, Peter G Miller
INTRODUCTION AND AIMS: The current study aimed to examine the association between patron demographics and substance use, and experiences of verbal and physical aggressive incidents within the last 3 months among patrons of night-time entertainment precincts (NEP) in Australia. DESIGN AND METHODS: Patron interviews (n = 4216) were conducted around licensed venues in the NEPs of five Australian cities. Seven correlates of verbal and physical aggressive incidents were examined: gender, age, occupation, blood alcohol concentration, pre-drinking, energy drink use and illicit drug use in the current session...
April 25, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28436710/ischemic-ulcer-pain-is-both-nociceptive-and-neuropathic-pain-based-on-a-discriminant-function-analysis-using-the-mcgill-pain-questionnaire
#14
Takamichi Kogure, Masahiko Sumitani, Hiroaki Abe, Jun Hozumi, Reo Inoue, Kazuhito Mietani, Kazuo Kawahara, Yoshitsugu Yamada
The McGill Pain Questionnaire (MPQ) is composed of 78 words reflecting the mechanisms underlying chronic pain conditions. Ischemic ulcer pain is generally regarded as a nociceptive and inflammatory pain condition. However, it is sometimes refractory to nonsteroidal anti-inflammatory drug (NSAID) and opioid treatment. We categorized ischemic pain into nociceptive/inflammatory pain (NocP) or neuropathic pain (NeP), on the basis of patients' descriptions of their pain using the MPQ. We investigated pain characteristics of 365 patients with NeP and 124 with NocP using the 78 words of the MPQ...
April 24, 2017: Journal of Pain & Palliative Care Pharmacotherapy
https://www.readbyqxmd.com/read/28434761/improvement-in-nutritional-status-in-patients-with-chronic-kidney-disease-4-by-a-nutrition-education-program-with-no-impact-on-renal-function-and-determined-by-male-sex
#15
Almudena Pérez-Torres, Elena González Garcia, Helena Garcia-Llana, Gloria Del Peso, Ana María López-Sobaler, Rafael Selgas
OBJECTIVE: Protein-energy wasting (PEW) is associated with increased morbidity and mortality and a rapid deterioration of kidney function in patients with chronic kidney disease (CKD). However, there is little information regarding the effect of nutrition intervention. The aims of this study were to evaluate the efficacy and safety of a nutrition education program (NEP) in patients with nondialysis dependent CKD (NDD-CKD), based on the diagnostic criteria for PEW proposed by the International Society of Renal Nutrition and Metabolism...
April 20, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28429745/high-temperature-terahertz-detectors-realized-by-a-gan-high-electron-mobility-transistor
#16
H W Hou, Z Liu, J H Teng, T Palacios, S J Chua
In this work, a high temperature THz detector based on a GaN high electron mobility transistor (HEMT) with nano antenna structures was fabricated and demonstrated to be able to work up to 200( )°C. The THz responsivity and noise equivalent power (NEP) of the device were characterized at 0.14 THz radiation over a wide temperature range from room temperature to 200 °C. A high responsivity Rv of 15.5 and 2.7 kV/W and a low NEP of 0.58 and 10 pW/Hz(0.5) were obtained at room temperature and 200 °C, respectively...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28426255/pregabalin-for-the-treatment-of-neuropathic-pain-a-narrative-review-for-primary-care-providers
#17
Yvonne D'Arcy, Bill McCarberg, Bruce Parsons, Regina Behar, Andrew Thorpe, Andrea Alexander
Neuropathic pain (NeP) is a distinct type of pain caused by damage to the nervous system itself. This often severe and chronic type of pain requires specific treatments that target the underlying pain pathophysiology. The purpose of the current narrative review is to provide an overview of pregabalin (Lyrica®) for the treatment of NeP including its effects on pain, pain-related sleep interference, and other health-related outcomes, timing of therapeutic effect, safety and tolerability, and dosing. The information provided here, along with that in our companion review [1], will help primary care providers develop more effective NeP treatment strategies...
April 20, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28422517/neuropathic-pain-a-narrative-review-of-etiology-assessment-diagnosis-and-treatment-for-primary-care-providers
#18
Bill McCarberg, Yvonne D'Arcy, Bruce Parsons, Alesia Sadosky, Andrew Thorpe, Regina Behar
Neuropathic pain (NeP) is a distinct type of chronic pain that is a direct result of damage to the nervous system itself. Studies have shown that training on the topic of chronic pain in medical schools is lacking and many practitioners are not confident in their ability to effectively manage patients with such pain. The purpose of this narrative review is to provide a brief high-level overview of NeP for primary healthcare providers that includes a discussion of mechanisms, prevalence, burden, assessment, and treatment...
April 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28419972/neprilysin-inhibitors-a-new-hope-to-halt-the-diabetic-cardiovascular-and-renal-complications
#19
REVIEW
Vajir Malek, Anil Bhanudas Gaikwad
Diabetes is an enormous and ever-growing calamity and a global public health threat of the 21st century. Besides insulin and oral hypoglycaemic drugs, blockage of the renin-angiotensin system (RAS) denotes a key pharmacotherapy for the management of cardiovascular (CVD) and chronic kidney diseases (CKD), which are the leading causes of disability and death among diabetic patients. Neprilysin (NEP) inhibition, auxiliary to RAS blockage increases the bioavailability of natriuretic peptides and benefits the cardio-renal system...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28409157/ferulic-acid-suppresses-amyloid-%C3%AE-production-in-the-human-lens-epithelial-cell-stimulated-with-hydrogen-peroxide
#20
Noriaki Nagai, Sachiyo Kotani, Yu Mano, Akina Ueno, Yoshimasa Ito, Toshio Kitaba, Takumi Takata, Noriko Fujii
It is well known that oxidative stresses induce the production of amyloid β (Aβ) in the brain, lens, and retina, leading to age-related diseases. In the present study, we investigated the effects of ferulic acid on the Aβ levels in H2O2-stimulated human lens epithelial (HLE) SRA 01/04 cells. Three types of Aβ peptides (Aβ1-40, Aβ1-42, and Aβ1-43) were measured by ELISA, and the levels of mRNA for the expressed proteins related to Aβ production (APP, BACE1, and PS proteins) and degradation (ADAM10, NEP, and ECE1 proteins) were determined by quantitative real-time RT-PCR...
2017: BioMed Research International
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