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https://www.readbyqxmd.com/read/29334656/activated-protein-c-suppresses-osteoclast-differentiation-via-endothelial-protein-c-receptor-protease-activated-receptor-1-sphingosine-1-phosphate-receptor-and-apolipoprotein-e-receptor-2
#1
Kakunoshin Yoshida, Nobuyuki Akita, Takayuki Okamoto, Kunihiro Asanuma, Atsumasa Uchida, Akihiro Sudo, Motomu Shimaoka, Koji Suzuki, Tatsuya Hayashi
INTRODUCTION: Bone remodeling relies on a delicate balance between formation and resorption of bone tissues, processes in which bone-forming osteoblasts and bone-resorbing osteoclasts play central roles. Recently, we reported that anticoagulant activated protein C (APC) promotes osteoblast proliferation, but the role of the blood coagulation system in bone remodeling remains unclear. In this study, to further elucidate the relationship between bone remodeling and blood coagulation, we investigated the effect of APC on osteoclast differentiation...
January 3, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29334653/depletion-study-withdrawal-period-calculation-and-bioaccumulation-of-sulfamethazine-in-tilapia-oreochromis-niloticus-treated-with-medicated-feed
#2
Kátia S D Nunes, José H Vallim, Márcia R Assalin, Sonia C N Queiroz, Lourival C Paraíba, Claudio M Jonsson, Felix G R Reyes
The residue depletion of sulfamethazine (SMZ) was evaluated in tilapia (Oreochromis niloticus) after 11 days of administration of medicated feed containing SMZ, at the dose of 422 mg/kg body weight (bw). The determination of SMZ in feed and tilapia fillet was carried out using the QuEChERS approach for sample preparation, and high performance liquid chromatography with diode array detector (HPLC-DAD) and ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QToF-MS) for quantitation, respectively...
January 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29334513/opioid-use-disorders-attributed-to-tramadol-among-egyptian-university-students
#3
Medhat M Bassiony, Mohamed Abdelghani, Ghada M Salah El-Deen, Mervat S Hassan, Hayam El-Gohari, Usama M Youssef
BACKGROUND: Tramadol use is an overwhelming problem in Egypt with tremendous medical and social consequences especially among youth. Use liability among Egyptian university students is underevaluated. This study aimed to estimate the prevalence and associated correlates of tramadol use among students from Zagazig University, Egypt. METHODS: A cross-sectional study included a total of 1135 undergraduate students, from 10 colleges in Zagazig University. Participants were randomly selected and assessed for tramadol use using The Drug Use Disorders Identification Test (DUDIT) and The Drug Use Disorders Identification Test-Extended (DUDIT-E)...
January 12, 2018: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/29334416/investigating-causal-associations-between-use-of-nicotine-alcohol-caffeine-and-cannabis-a-two-sample-bidirectional-mendelian-randomization-study
#4
Karin J H Verweij, Jorien L Treur, Jacqueline M Vink
BACKGROUND AND AIMS: Epidemiological studies consistently show co-occurrence of use of different addictive substances. Whether these associations are causal or due to overlapping underlying influences remains an important question in addiction research. Methodological advances have made it possible to use published genetic associations to infer causal relationships between phenotypes. In this exploratory study, we used Mendelian randomization (MR) to examine the causality of well-established associations between nicotine, alcohol, caffeine, and cannabis use...
January 15, 2018: Addiction
https://www.readbyqxmd.com/read/29334019/chemical-stabilization-of-polymers-implications-for-dermal-exposure-to-additives
#5
N Bartsch, M Girard, L Schneider, V Van De Weijgert, A Wilde, O Kappenstein, B Vieth, C Hutzler, A Luch
Technical benefits of additives in polymers stand in marked contrast to their associated health risks. Here, a multi-analyte method based on gas chromatography coupled to tandem mass spectrometry (GC-MS/MS) was developed to quantify polymer additives in complex matrices such as low-density polyethylene (LDPE) and isolated human skin layers after dermal exposure ex vivo. That way both technical aspects and dermal exposure were investigated. The effects of polymer additivation on the material were studied using the example of LDPE...
January 15, 2018: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29334004/examining-residence-status-as-a-risk-factor-for-health-risk-behaviors-among-college-students
#6
Angelo M DiBello, Madeline B Benz, Mary Beth Miller, Jennifer E Merrill, Kate B Carey
OBJECTIVE: The current study aimed to evaluate college student residence as a unique risk factor for a range of negative health behaviors. PARTICIPANTS: We examined data from 63,555 students (66% female) from 157 campuses who completed the National College Health Assessment Survey in Spring 2011. METHODS: Participants answered questions about the frequency of recent use of alcohol, tobacco, marijuana, and illicit drugs as well as sexual risk behavior in the last 30 days...
January 15, 2018: Journal of American College Health: J of ACH
https://www.readbyqxmd.com/read/29333902/patterns-of-nps-use-and-risk-reduction-in-slovenia
#7
Matej Sande, Mina Paš, Klara Nahtigal, Simona Šabić
BACKGROUND: The following study presents factors influencing the decision to use/not to use new psychoactive substances (NPS), various patterns of NPS use, the problems experienced by users, and the methods for reducing the risks associated with NPS use. OBJECTIVES: The study seeks to provide an in-depth look into the characteristics of NPS use and support the planning of targeted interventions in the field of NPS. METHODS: The study involved 19 in-depth interviews carried out with 25 individuals divided into three subsamples in order to gain insight into the various experiences of NPS users...
January 15, 2018: Substance Use & Misuse
https://www.readbyqxmd.com/read/29333890/cigarette-smoking-and-quit-attempts-among-latinos-in-substance-use-disorder-treatment
#8
Anna Pagano, Noah Gubner, Thao Le, Joseph Guydish
BACKGROUND: Differences in tobacco use behaviors have been identified between Latinos and non-Latino whites in the general US population. Little is known about cigarette smoking and quitting behaviors of Latinos in treatment for substance use disorders (SUDs), who represent two major tobacco-vulnerable groups. OBJECTIVES: To compare, in a national sample of persons enrolled in SUD treatment, demographic, drug use, and smoking and quitting prevalence and behaviors between Latinos and non-Latino whites...
January 15, 2018: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/29333692/measuring-spatial-and-temporal-trends-of-nicotine-and-alcohol-consumption-in-australia-using-wastewater-based-epidemiology
#9
Foon Yin Lai, Coral Gartner, Wayne Hall, Steve Carter, Jake O'Brien, Benjamin J Tscharke, Frederic Been, Cobus Gerber, Jason White, Phong Thai, Raimondo Bruno, Jeremy Prichard, K Paul Kirkbride, Jochen F Mueller
BACKGROUND AND AIMS: Tobacco and alcohol consumption remain priority public health issues worldwide. As participation in population-based surveys has fallen, it is increasingly challenging to estimate accurately the prevalence of alcohol and tobacco use. Wastewater-based epidemiology (WBE) is an alternative approach for estimating substance use at the population level that does not rely on survey participation. This study examined spatio-temporal patterns in nicotine (a proxy for tobacco) and alcohol consumption in the Australian population via WBE...
January 14, 2018: Addiction
https://www.readbyqxmd.com/read/29333677/diminished-alternative-reinforcement-as-a-mechanism-linking-conduct-problems-and-substance-use-in-adolescence-a-longitudinal-examination
#10
Rubin Khoddam, Junhan Cho, N J Jackson, Adam M Leventhal
AIMS: To determine whether diminished alternative reinforcement (i.e., engagement and enjoyment from substance-free activities) mediated the longitudinal association of conduct problems with substance use in early-mid adolescence. DESIGN: Structural equation modeling tested whether the association between Wave 1 (baseline) conduct problems and Wave 3 (24-month follow-up) substance use outcomes was mediated by diminished alternative reinforcement at Wave 2 (12-month follow-up)...
January 14, 2018: Addiction
https://www.readbyqxmd.com/read/29333664/increased-non-fatal-overdose-risk-associated-with-involuntary-drug-treatment-in-a-longitudinal-study-with-people-who-inject-drugs
#11
Claudia Rafful, Ricardo Orozco, Gudelia Rangel, Peter Davidson, Dan Werb, Leo Beletsky, Steffanie A Strathdee
AIM: To assess the effect of involuntary drug treatment (IDT) on non-fatal overdose among people who inject drugs (PWID). DESIGN: Longitudinal study. SETTING: Tijuana, Mexico. PARTICIPANTS: Baseline sample of 671 PWID included 258 (38.4%) women and 413 (61.6%) men. MEASUREMENTS: Primary independent variables were reported recent (i.e., past 6 months) non-fatal overdose event (dependent variable) and IDT...
January 14, 2018: Addiction
https://www.readbyqxmd.com/read/29333632/binding-of-cu-and-cu2-with-peptides-peptides-oxytocin-arg8-vasopressin-bradykinin-angiotensin-i-substance-p-somatostatin-and-neurotensin
#12
Thankan Jayasekharan, Shyam L Gupta, Vikas Dhiman
The intrinsic binding ability of seven natural peptides (oxytocin, arg8 -vasopressin, bradykinin, angiotensin-I, substance-P, somatostatin, and neurotensin) with copper in two different oxidation states (CuI/II ) derived from different Cu+/2+ precursor sources have been investigated for their charge dependent binding characteristics. The peptide-CuI/II complexes, [M - (n-1)H + nCuI ] and [M - (2n-1)H + nCuII ] are prepared/generated by the reaction of peptides with CuI solution/Cu-target and CuSO4 solution, and are analyzed using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS)...
January 15, 2018: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/29333572/possible-protective-effect-of-the-algae-spirulina-against-nephrotoxicity-induced-by-cyclosporine-a-and-or-gamma-radiation-in-rats
#13
Maha M Aziz, Nihad I Eid, Ahmed S Nada, Nour El-Din Amin, Afaf A Ain-Shoka
The present study was conducted to evaluate the possible protective role of the algae spirulina (Sp) against nephrotoxicity and oxidative stress which are the main secondary effects induced by the immunosuppressant drug CSA and/or ionizing radiation. In this study, male rats were given Sp (1 g/kg) either for 15 days before irradiation (6.5 Gy) or 5 days before and 10 days concomitant with CSA (25 mg/kg). Markers used to assess renal injury included serum creatinine, urea, glucose, albumin, protein, and lipid profile as well as kidney content of reduced glutathione (GSH); lipid peroxidation (thiobarbituric acid reactive substances (TBARS)); nitrite and superoxide dismutase (SOD) activity...
January 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29333325/physicochemical-characterization-of-porcine-bone-derived-grafting-material-and-comparison-with-bovine-xenografts-for-dental-applications
#14
Jung Heon Lee, Gyu Sung Yi, Jin Woong Lee, Deug Joong Kim
Purpose: The physicochemical properties of a xenograft are very important because they strongly influence the bone regeneration capabilities of the graft material. Even though porcine xenografts have many advantages, only a few porcine xenografts are commercially available, and most of their physicochemical characteristics have yet to be reported. Thus, in this work we aimed to investigate the physicochemical characteristics of a porcine bone grafting material and compare them with those of 2 commercially available bovine xenografts to assess the potential of xenogenic porcine bone graft materials for dental applications...
December 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29333201/dispositional-mindfulness-shame-and-compulsive-sexual-behaviors-among-men-in-residential-treatment-for-substance-use-disorders
#15
Meagan J Brem, Ryan C Shorey, Scott Anderson, Gregory L Stuart
Approximately 31% of men in treatment for a substance use disorders (SUD) engage in compulsive sexual behavior (CSB). Shame, a well-documented consequence of CSB, increases the likelihood of relapse following treatment for SUDs. Despite the risk of relapse, prior research has not investigated factors that may attenuate the relation between CSB and shame. Dispositional mindfulness is one such factor known to mitigate shame. However, researchers have yet to examine dispositional mindfulness as a moderator of the relationship between CSB and shame among a sample of men in treatment for SUDs...
December 2017: Mindfulness
https://www.readbyqxmd.com/read/29333144/did-creatinine-standardization-give-benefits-to-the-evaluation-of-glomerular-filtration-rate
#16
Laurence Piéroni, Anne-Sophie Bargnoux, Jean-Paul Cristol, Etienne Cavalier, Pierre Delanaye
During the last decade, a lot of efforts has been made to improve the evaluation of renal functions. Measured Glomerular Filtration Rate (GFR) remains the only valuable test to confirm or confute the status of chronic kidney disease (CKD) and is recommended by Kidney Disease Global Outcomes guidelines when estimation of GFR is not reliable. However, in routine clinical practice, serum creatinine remains the one of the most prescribed biological parameters and is an undeniable factor, alone or in association with other parameters, of the estimation of GFR...
December 2017: EJIFCC
https://www.readbyqxmd.com/read/29333122/metformin-enhanced-in-vitro-radiosensitivity-associates-with-g2-m-cell-cycle-arrest-and-elevated-adenosine-5-monophosphate-activated-protein-kinase-levels-in-glioblastoma
#17
Sebastian Adeberg, Denise Bernhardt, Semi B Harrabi, Nils H Nicolay, Juliane Hörner-Rieber, Laila König, Michael Repka, Angela Mohr, Amir Abdollahi, Klaus-Josef Weber, Juergen Debus, Stefan Rieken
Background: It is hypothesized that metabolism plays a strong role in cancer cell regulation. We have recently demonstrated improved progression-free survival in patients with glioblastoma who received metformin as an antidiabetic substance during chemoradiation. Although metformin is well-established in clinical use the influence of metformin in glioblastoma is far from being understood especially in combination with other treatment modalities such as radiation and temozolomide. Materials and Methods: In this study, we examined the influence of metformin in combinations with radiation and temozolomide on cell survival (clonogenic survival), cell cycle (routine flow cytometric analysis, FACScan), and phosphorylated Adenosine-5'-monophosphate-activated protein kinase (AMPK) (Phopho-AMPKalpha1 - ELISA) levels in glioblastoma cell lines LN18 and LN229...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29333042/gas-chromatography-mass-spectrometry-profiling-in-methanolic-and-ethyl-acetate-root-and-stem-extract-of-corbichonia-decumbens-forssk-exell-from-thar-desert-of-rajasthan-india
#18
Sunita Arora, Manju Saini
Background: Corbichonia decumbens (Forssk.) Exell (Molluginaceae), recently has moved to Lophiocarpaceae as per angiospermic plant group (APG) III system, is an annual or short-lived, dwarf, glabrous subshrub, prefers to grow on rocky places and on sand-stones in dry, hot areas of Rajasthan. This is the potential plant with medicinal properties. Vegetative organs under study show antioxidant, anti-inflammatory, antiulcer, antimicrobial, and antinociception activity. Objective: This study was carried out to identify the phytoconstituents present in the methanolic and ethyl-acetate extract of root and stem of C...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29333037/curcumin-and-natural-derivatives-inhibit-ebola-viral-proteins-an-in-silico-approach
#19
Shruti Baikerikar
Background: Ebola viral disease is a severe and mostly fatal disease in humans caused by Ebola virus. This virus belongs to family Filoviridae and is a single-stranded negative-sense virus. There is no single treatment for this disease which puts forth the need to identify new therapy to control and treat this fatal condition. Curcumin, one of the bioactives of turmeric, has proven antiviral property. Objective: The current study evaluates the inhibitory activity of curcumin, bisdemethoxycurcumin, demethoxycurcumin, and tetrahydrocurcumin against Zaire Ebola viral proteins (VPs)...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332822/constituting-fully-integrated-colorimetric-analysis-system-for-fe-iii-on-multifunctional-nitrogen-doped-moo3-cellulose-paper
#20
Fan Lin, Jiabai Cai, Yuehai Li, Huiwu Yu, Shunxing Li
Using ammonium molybdate and thiourea as precursors, nitrogen-doped MoO3 was produced by a one-step carbonization and then fixed into the cellulose filter paper (NMCP) with acrylic resin as a fixative. NMCP was designed as a multifunctional nanocomposite, i.e., solid phase adsorbent for Fe(III) preconcentration, photocatalyst for iron species transformation and color interference removal, and colorimetric sensor for Fe(III) determination. After photocatalysis, the complex of Fe-humic substances could be transformed into Fe(III) ions, the interference of colored organic matter (e...
April 1, 2018: Talanta
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