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https://www.readbyqxmd.com/read/28644037/lower-risk-cannabis-use-guidelines-a-comprehensive-update-of-evidence-and-recommendations
#1
Benedikt Fischer, Cayley Russell, Pamela Sabioni, Wim van den Brink, Bernard Le Foll, Wayne Hall, Jürgen Rehm, Robin Room
BACKGROUND: Cannabis use is common in North America, especially among young people, and is associated with a risk of various acute and chronic adverse health outcomes. Cannabis control regimes are evolving, for example toward a national legalization policy in Canada, with the aim to improve public health, and thus require evidence-based interventions. As cannabis-related health outcomes may be influenced by behaviors that are modifiable by the user, evidence-based Lower-Risk Cannabis Use Guidelines (LRCUG)-akin to similar guidelines in other health fields-offer a valuable, targeted prevention tool to improve public health outcomes...
June 23, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28643758/effects-of-ef-24-rad001-and-paclitaxel-on-the-expression-profiles-of-apoptotic-and-anti-apoptotic-genes
#2
Ebru Alp, Akin Yilmaz, Hacer Ilke Onen, Emine Sevda Menevse
CONTEXT: Cancer cells exert differential responses to chemotherapeutics and inhibitors. To the best of our knowledge, a few or no research has been performed until now to determine the effect of EF-24 and RAD001 on MDA-MB-231 breast cancer cells with regard to mRNA expression of apoptotic and anti-apoptotic genes. AIMS: In this study, we aimed to investigate the mRNA expression levels of apoptotic (caspase 2 [CASP2], CASP8, and CASP9) and anti-apoptotic (B-cell lymphoma 2 [BCL2] and BCL2-like protein 1 [BCL2L1]) genes after exposure to paclitaxel, EF-24, and RAD001 in MDA-MB-231 cells...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28641568/an-expanding-role-of-biomarkers-in-pulmonary-arterial-hypertension
#3
Mustafa Yildiz, Alparslan Sahin, Michael Behnes, İbrahim Akin
BACKGROUND: Pulmonary arterial hypertension (PAH), is a chronic disease which may cause or result from mulitple cardiopulmonary disorders. The disease has complex pathophysiological mechanisms and involves many systematic, cellular and molecular changes. Therefore, it is crutial to find out underlying mechanisms and detect biomarkers to achieve early and proper diagnosis, evaluate of disease severity, for follow-up and monitor response to treatment. Many biomarker for PAH have been investigated but yet no such biomarker has been found specific and easily accessible to use for the patients...
June 14, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28641567/biomarkers-in-acute-aortic-syndromes
#4
Mustafa Yildiz, Dogac Oksen, Michael Behnes, Ibrahim Akin
BACKGROUND: Acute aortic syndromes, being mostly underdiagnosed due to unspecific symptoms, are associated with high morbidity and mortality. Diagnosis carried out by transesophageal echocardiography, computed tomography and magnetic resonance imaging. However, there are lots of biochemical assays being investigated, but none of them used reliably to identify acute aortic syndromes. Biomarkers could accelerate the diagnostic time with cost effective way and could get place in definitive diagnostic algorithm of acute aortic syndrome...
June 14, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28641514/clinically-relevant-biomarkers-in-acute-heart-failure-an-update
#5
Agnibh Mukherji, Uzair Ansari, Martin Borggrefe, Ibrahim Akin, Michael Behnes
Acute heart failure (AHF) has been one of the fields, where owing to difficulties in diagnosis, prognostic stratification and management the associated morbidity and mortality remains unusually high. The advent of novel biomarkers apart from the traditional B-type natriuretic peptide and N-terminal proBNP involved in myocardial injury, neuro-hormonal activation, and ventricular remodeling augurs immense hope in redefining our approach towards AHF. METHODS: Biomarkers like midregional proatrial natriuretic peptide, soluble ST2, highly-sensitive troponin, and midregional proadrenomedullin are some such examples that have passed various stages of substantiation while there is an array of potential biomarkers in nascent stages like osteopontin, CTGF, GDF-15 and TGF beta-1 awaiting further reiteration...
June 22, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28641441/the-closo-si12c12-molecule-from-cluster-to-crystal-effects-of-hydrogenation-and-oligomerization-on-excited-states
#6
Xiaofeng F Duan, Larry W Burggraf
Excited state properties of chain and cyclic oligomers of closo-Si12C12 moieties are calculated using time-dependent density functional theory methods. Ultraviolet, visible, and near-infrared photo-absorption properties are described for oligomers that form by linking closo-Si12C12 monomer moieties through Si-Si bonds. Natural transition orbitals for electron and hole states of stationary-state excitons in oligomers were compared to understand how exciton states are influenced by oligomer structure. Depending on the structure, some prominent excited states have large electron-hole charge separation while others do not; some exhibit exciton delocalization while others do not...
June 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28638256/comparison-of-ultrasonography-and-low-dose-computed-tomography-for-the-diagnosis-of-pediatric-urolithiasis-in-the-emergency-department
#7
Recep Sade, Hayri Ogul, Suat Eren, Akin Levent, Mecit Kantarci
OBJECTIVE: This study aimed to compare ultrasonography (US) and low-dose computed tomography (LDCT) for diagnosing pediatric urolithiasis in the emergency department. MATERIALS AND METHODS: This retrospective study was approved by our institutional ethics committee, and informed consent was waived. From March 2016 to March 2017, 100 consecutive patients met the selection criteria and were enrolled in the study. Patients were randomly selected in a 1:1 ratio and were allocated to one of the following two imaging groups: US or abdominal LDCT...
June 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28636816/impacts-of-the-mitochondrial-genome-on-the-relationship-of-long-term-ambient-fine-particle-exposure-with-blood-dna-methylation-age
#8
Jamaji Nwanaji-Enwerem, Elena Colicino, Lingzhen Dai, Akin Cayir, Marco Sanchez-Guerra, Hannah E Laue, Vy T Nguyen, Qian Di, Allan Just, Lifang Hou, Pantel Vokonas, Brent A Coull, Marc Weisskopf, Andrea Baccarelli, Joel Schwartz
The mitochondrial genome has long been implicated in age-related disease, but no studies have examined its role in the relationship of long-term fine particle (PM2.5) exposure and DNA methylation age (DNAm-age) - a novel measure of biological age. In this analysis based on 940 observations between 2000 and 2011 from 552 Normative Aging Study participants, we determined the roles of mitochondrial DNA haplogroup variation and mitochondrial genome abundance in the relationship of PM2.5 with DNAm-age. We used the GEOS-chem transport model to estimate address-specific, one-year PM2...
June 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28635964/elastically-driven-intermittent-microscopic-dynamics-in-soft-solids
#9
Mehdi Bouzid, Jader Colombo, Lucas Vieira Barbosa, Emanuela Del Gado
Soft solids with tunable mechanical response are at the core of new material technologies, but a crucial limit for applications is their progressive aging over time, which dramatically affects their functionalities. The generally accepted paradigm is that such aging is gradual and its origin is in slower than exponential microscopic dynamics, akin to the ones in supercooled liquids or glasses. Nevertheless, time- and space-resolved measurements have provided contrasting evidence: dynamics faster than exponential, intermittency and abrupt structural changes...
June 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28623684/chimeric-reverse-temporal-muscle-and-pericranial-flap-for-double-layer-closure-of-deep-facial-defects
#10
Said Algan, Onder Tan, Murat Kara, Akin Inaloz, Mehmet Akif Cakmak, Osman Enver Aydin
PURPOSE: Volumetric or multiplane defects of the upper and midface remain a challenge for reconstruction because of limited regional flap options. In this study, the authors harvested the reverse temporalis muscle flap and pericranial flap (RTMP flap) based on the same vascular pedicle, the superficial temporal artery, in a chimeric manner to obtain double-layer closure of deep facial defects. MATERIALS AND METHODS: This study was a prospective case series performed in the Department of Plastic Surgery of Ataturk University (Erzurum, Turkey)...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28623249/sequential-self-assembly-of-dna-functionalized-droplets
#11
Yin Zhang, Angus McMullen, Lea-Laetitia Pontani, Xiaojin He, Ruojie Sha, Nadrian C Seeman, Jasna Brujic, Paul M Chaikin
Complex structures and devices, both natural and manmade, are often constructed sequentially. From crystallization to embryogenesis, a nucleus or seed is formed and built upon. Sequential assembly allows for initiation, signaling, and logical programming, which are necessary for making enclosed, hierarchical structures. Although biology relies on such schemes, they have not been available in materials science. Here, we demonstrate programmed sequential self-assembly of DNA functionalized emulsions. The droplets are initially inert because the grafted DNA strands are pre-hybridized in pairs...
June 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28620716/factors-affecting-responsiveness-to-hepatitis-b-immunization-in-dialysis-patients
#12
Ali Asan, Huriye Demirhan, Hülya Çetin Sorkun, Sevgi Özkan, Mehtap Aydın, Davut Akın, Bengü Tatar, Binali Çatak, Alper Şener, Şükran Köse
BACKGROUND: Hepatitis B virus (HBV) and hepatitis C virus (HCV) infections are widespread health problems all over the world and have high morbidity and mortality. Hemodialysis patients are more frequently exposed to these viruses as they have poor immune system and frequently undergo parenteral interventions. The vaccination against HBV prevents infection and it has been recommended for the prevention of HBV infection in all susceptible dialysis patients. This study aimed to determine the seroprevalence of HBV and HCV infections and analyzed the factors affecting inadequate response to HBV vaccine in dialysis patients...
June 15, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28620370/environmental-t4-family-bacteriophages-evolve-to-escape-abortive-infection-via-multiple-routes-in-a-bacterial-host-employing-altruistic-suicide-through-type-iii-toxin-antitoxin-systems
#13
Bihe Chen, Chidiebere Akusobi, Xinzhe Fang, George P C Salmond
Abortive infection is an anti-phage mechanism employed by a bacterium to initiate its own death upon phage infection. This reduces, or eliminates, production of viral progeny and protects clonal siblings in the bacterial population by an act akin to an "altruistic suicide." Abortive infection can be mediated by a Type III toxin-antitoxin system called ToxINPa consisting of an endoribonuclease toxin and RNA antitoxin. ToxINPa is a heterohexameric quaternary complex in which pseudoknotted RNA inhibits the toxicity of the toxin until infection by certain phages causes destabilization of ToxINPa, leading to bacteriostasis and, eventually, lethality...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28618754/evaluation-and-comparison-of-radiologic-pathologic-findings-in-invasive-cribriform-carcinoma-of-the-breast
#14
Pınar Balci, Işıl Başara Akin, Nevin Köremezli, Merih Güray Durak, Canan Altay, Naciye Sinem Gezer, Ali İbrahim Sevinç
BACKGROUND/AIM: This study aimed to report invasive cribriform carcinoma (ICC) with radiological and histopathologic correlations. MATERIALS AND METHODS: Seventy patients with ICC were classified into two groups; pure ICC patients and patients with >50% cribriform carcinoma component were included in group 1, while patients with <50% cribriform carcinoma component were included in group 2. All patients were reviewed according to American College of Radiology (ACR) breast imaging reporting and data system (BI-RADS) lexicon of mammography (MG), ultrasonography (US), and magnetic resonance imaging (MRI)...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28616708/comparison-of-different-definitions-of-acute-kidney-injury-in-extremely-low-birth-weight-infants
#15
Vikas Chowdhary, Ramya Vajpeyajula, Mohit Jain, Syeda Maqsood, Rupesh Raina, Deepak Kumar, Maroun J Mhanna
BACKGROUND: The definition of acute kidney injury (AKI) has evolved over the years, and three definitions have been adapted including pediatric risk injury failure, loss of kidney function (pRIFLE), Acute Kidney Injury Network (AKIN), and Neonatal Modified Kidney Disease Improving Global Outcomes (KDIGO). We sought to report the prevalence and outcome of (AKI) according to the three existing definitions in extremely low birth weight (ELBW) infants. METHODS: In a retrospective cohort study, medical records of all ELBW infants (<1000 g) admitted to our neonatal intensive care unit (NICU) between Jan 2002 and Dec 2011 were reviewed...
June 14, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28616211/acute-kidney-injury-in-patients-with-severe-sepsis-or-septic-shock-a-comparison-between-the-risk-injury-failure-loss-of-kidney-function-end-stage-kidney-disease-rifle-acute-kidney-injury-network-akin-and-kidney-disease-improving-global-outcomes-kdigo-classifications
#16
Marta Pereira, Natacha Rodrigues, Iolanda Godinho, Joana Gameiro, Marta Neves, João Gouveia, Zélia Costa E Silva, José António Lopes
PURPOSE: Using the Risk, Injury, Failure, Loss of kidney function, End-stage kidney disease (RIFLE), Acute Kidney Injury Network (AKIN) and Kidney Disease: Improving Global Outcomes (KDIGO) systems, the incidence of acute kidney injury (AKI) and their ability to predict in-hospital mortality in severe sepsis or septic shock was compared. MATERIALS AND METHODS: We performed a retrospective analysis of 457 critically ill patients with severe sepsis or septic shock hospitalized between January 2008 and December 2014...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28615438/cupriphication-of-gold-to-sensitize-d-10-d-10-metal-metal-bonds-and-near-unity-phosphorescence-quantum-yields
#17
Rossana Galassi, Mukunda M Ghimire, Brooke M Otten, Simone Ricci, Roy N McDougald, Ruaa M Almotawa, Dieaa Alhmoud, Joshua F Ivy, Abdel-Monem M Rawashdeh, Vladimir N Nesterov, Eric W Reinheimer, Lee M Daniels, Alfredo Burini, Mohammad A Omary
Outer-shell s(0)/p(0) orbital mixing with d(10) orbitals and symmetry reduction upon cupriphication of cyclic trinuclear trigonal-planar gold(I) complexes are found to sensitize ground-state Cu(I)-Au(I) covalent bonds and near-unity phosphorescence quantum yields. Heterobimetallic Au4Cu2 {[Au4(μ-C(2),N(3)-EtIm)4Cu2(µ-3,5-(CF3)2Pz)2], (4a)}, Au2Cu {[Au2(μ-C(2),N(3)-BzIm)2Cu(µ-3,5-(CF3)2Pz)], (1) and [Au2(μ-C(2),N(3)-MeIm)2Cu(µ-3,5-(CF3)2Pz)], (3a)}, AuCu2 {[Au(μ-C(2),N(3)-MeIm)Cu2(µ-3,5-(CF3)2Pz)2], (3b) and [Au(μ-C(2),N(3)-EtIm)Cu2(µ-3,5-(CF3)2Pz)2], (4b)} and stacked Au3/Cu3 {[Au(μ-C(2),N(3)-BzIm)]3[Cu(µ-3,5-(CF3)2Pz)]3, (2)} form upon reacting Au3 {[Au(μ-C(2),N(3)-(N-R)Im)]3 ((N-R)Im = imidazolate; R = benzyl/methyl/ethyl = BzIm/MeIm/EtIm)} with Cu3 {[Cu(μ-3,5-(CF3)2Pz)]3 (3,5-(CF3)2Pz = 3,5-bis(trifluoromethyl)pyrazolate)}...
June 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28613199/efficacy-of-18-f-2-fluoro-2-deoxy-d-glucose-positron-emission-tomography-computerized-tomography-for-bone-marrow-infiltration-assessment-in-the-initial-staging-of-lymphoma
#18
Ali Ozan Öner, Evrim Sürer Budak, Funda Aydın, Ozan Salim, Orhan Kemal Yücel, Bahar Akkaya, Tayfur Toptaş, Adil Boz, Akın Yıldız, Fırat Güngör, Levent Undar
OBJECTIVE: Currently (18)F-2-fluoro-2-deoxy-D-glucose ((18)F-FDG) positron emission tomography/computerized tomography (PET/CT) is being successfully used for staging and follow-up of Hodgkin's lymphoma (HL) and non-Hodgkin's lymphoma (NHL). Various studies have demonstrated that PET/CT effectively detects bone marrow involvement (BMI) and is concordant with bone marrow biopsy (BMB) findings, thus it is deemed as a complementary method. This study was aimed to evaluate(18)F-FDG-PET/CT efficiency for detection of BMI in HL and NHL...
June 1, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28612927/the-il-1ra-gene-variable-number-tandem-repeat-variant-is-associated-with-susceptibility-to-temporomandibular-disorders-in-turkish-population
#19
Mehmet Kemal Tumer, Ayse Feyda Nursal, Akin Tekcan, Kaan Yerliyurt, Anastasia Geyko, Serbulent Yigit
BACKGROUND: Temporomandibular joint disorders (TMD) are a group of disorders involving temporomandibular joint and related structures. Interleukine-1 receptor antagonist (IL-1Ra) is an important anti-inflammatory molecule that competes with other interleukin-1 molecules. This study was designed to investigate the possible association of the IL-1Ra VNTR variant with the risk of TMD in the Turkish population. METHODS: Peripheral blood samples were collected from 100 patients with TMD (23 males, 77 females) and 110 healthy individuals (35 males, 75 females)...
June 14, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28606544/mining-marine-shell-wastes-for-polyelectrolyte-chitosan-anti-biofoulants-fabrication-of-high-performance-economic-and-ecofriendly-anti-biofouling-coatings
#20
Reda F M Elshaarawy, Fatma H A Mustafa, Lasse van Geelen, Amaal E A Abou-Taleb, Hermine R Z Tadros, Rainer Kalscheuer, Christoph Janiak
Banning organotins as antifouling biocides in 2003 was the starting point for many researchers to search for novel economic and environmentally-friendly anti-fouling biocides. In our present contribution, we have successfully functionalized a natural biopolymer, chitosan (CS), isolated from marine wastes with polyelectrolyte brushes akin to ionic liquids. These antifouling biopolymers anchoring polyelectrolyte brushes were in vitro assessed for their ability to eradicate or inhibit the Staphylococcal/Escherichia biofilms...
September 15, 2017: Carbohydrate Polymers
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