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https://www.readbyqxmd.com/read/28726800/role-of-nicotinamide-n-methyltransferase-in-dorsal-striatum-in-cocaine-place-preference
#1
Li Luo, Fei-Fei Shang, Hailei Long, Linhong Jiang, Ruiming Zhu, Qian Zhao, Hui Gu, Jueying Kong, Wei Xu, Yinglan Zhao, Xiaobo Cen
Nicotinamide N-methyltransferase (NNMT) transfers the methyl from S-adenosyl-L-methionine (SAM) to nicotinamide (NA) to produce S-adenosyl-L-homocysteine (SAH) and 1-methylnicotinamide (MeN). NNMT has been implicated in a variety of diseases; however, the role of NNMT in drug addiction is largely unknown. Here, we found that the expression of Nnmt was significantly upregulated in the dorsal striatum (DS) of cocaine-conditioned mice. Cocaine significantly decreased SAM/SAH ratio levels in the DS, which was accompanied with the decreased activities of Rac1 and RhoA...
July 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28720615/assessment-of-the-effectiveness-and-safety-of-ethosuximide-in-the-treatment-of-abdominal-pain-related-to-irritable-bowel-syndrome-ibset-protocol-of-a-randomised-parallel-controlled-double-blind-and-multicentre-trial
#2
Nicolas Kerckhove, Julien Scanzi, Bruno Pereira, Denis Ardid, Michel Dapoigny
INTRODUCTION: Irritable bowel syndrome (IBS) is characterised by the association of abdominal chronic pain with bowel habit disorders in the absence of identifiable organic disease. This is the first reason for consultation in gastroenterology, with an estimated prevalence of 10%-15% in industrialised countries. Although this is a benign gastrointestinal disease, its chronicity profoundly impacts the patient's quality of life and causes considerable health spending. Actual medical treatments are poorly efficient on IBS-related abdominal pain, making it a major public health concern...
July 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28720521/increased-entrances-to-side-compartments-indicate-incubation-of-craving-in-morphine-induced-rat-and-tree-shrew-cpp-models
#3
Yongmei Sun, Zijiao Pan, Yuanye Ma
In humans, cues associated with the rewarding effect of drugs of abuse induce drug craving and activate drug-associated memories after prolonged abstinence. In animal studies with the self-administration (SA) paradigm, responses to drug-associated cues increase within time after extinction, a phenomenon described as incubation of craving. Conditioned place preference (CPP) is widely used to measure the rewarding effect of drugs and the reward memory thereof. However, little is known whether responses to drug associated cues progressively increase after abstinence from the drugs in the CPP paradigm...
July 15, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28713112/effect-of-casein-phosphopeptide-amorphous-calcium-phosphate-and-three-calcium-phosphate-on-enamel-microhardness
#4
En Hr Haghgou, Roza Haghgoo, Mohamad R Roholahi, Zahra Ghorbani
AIM: This study aims to investigate the effect of casein phos-phopeptide-amorphous calcium phosphate and three calcium phosphate (CPP-ACP and TCP) on increasing the microhardness of human enamel after induction of erosion. MATERIALS AND METHODS: A total of 26 healthy human-impacted third molar teeth were chosen, and their hardness measured using a microhardness testing machine. The samples were immersed in Coca Cola (pH = 4.7) for 8 minutes. Then, micro-hardness was measured again, and these samples were randomly divided into four groups (two control groups and two experimental groups)...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28711854/exploration-of-the-possible-effect-on-survival-of-lead-time-associated-with-implementation-of-cancer-patient-pathways-among-symptomatic-first-time-cancer-patients-in-denmark
#5
Henry Jensen, Peter Vedsted
BACKGROUND: Implementation of standardised cancer patient pathways (CPPs) has provided faster diagnosis of cancer. Cancer survival has improved during the same time period. Concern has been raised that the faster diagnosis may have introduced lead-time bias by elongating the period from diagnosis to death. AIM: We aimed to analyse the possible effect of lead time on survival due to expedited cancer diagnosis after the implementation of national CPPs among incident cancer patients diagnosed through Danish primary care...
July 13, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28699510/cell-penetrating-peptides-a-promising-tool-for-the-cellular-uptake-of-macromolecular-drugs
#6
Peipei Zhu, Lan Jin
The lipid bilayer of the plasma membrane is a selective impermeable barrier for the internalization of most macromolecules. Cell penetrating peptides (CPPs) could cross the plasma membrane barrier to deliver various molecules into cells and are considered as a promising tool to deliver macromolecular drugs. However, the exact cellular uptake mechanisms of CPPs are still ambiguous. It was reported that the exact cellular uptake pathway was determined by numerous factors such as the amino acid sequences (hydrophobicity and net charge), extracellular CPP concentration, cargoes' properties, cell type and the temperature...
July 10, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28699412/pressure-autoregulation-measurement-techniques-in-adult-tbi-part-ii-a-scoping-review-of-continuous-methods
#7
Frederick Adam Zeiler, Joseph Donnelly, Leanne Calviello, Peter Smieleweski, David Menon, Marek Czosnyka
To perform systematically a scoping review of the literature on commonly described continuous autoregulation measurement techniques in adult TBI. The goal was to provide an overview of methodology and comprehensive reference library of the available literature for each technique. Five separate small systematic reviews were conducted for each of the continuous techniques: pressure reactivity index (PRx), laser Doppler flowmetry (LDF), near infrared spectroscopy (NIRS) techniques, brain tissue oxygen tension (PbtO2), and thermal diffusion (TD) techniques...
July 12, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28697822/-diagnostic-value-of-baseline-serum-luteinizing-hormone-level-for-central-precocious-puberty-in-girls
#8
Li-Xue Ou-Yang, Fan Yang
OBJECTIVE: To evaluate the diagnostic value of baseline serum luteinizing hormone (LH) level for central precocious puberty (CPP) in girls. METHODS: A total of 279 girls with precocious puberty were subjected to assessment of growth and development, bone age determination, baseline LH test, and follicle-stimulating hormone (FSH) test, gonadotropin-releasing hormone stimulation test, and other related examinations. Of the 279 patients, 175 were diagnosed with CPP and 104 with premature thelarche (PT)...
July 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28695310/central-aortic-pulse-pressure-thrombogenicity-and-cardiovascular-risk
#9
Gailing Chen, Kevin P Bliden, Rahul Chaudhary, Fang Liu, Himabindu Kaza, Eliano P Navarese, Udaya S Tantry, Paul A Gurbel
High central aortic pulse pressure (CPP) and thrombin-induced platelet-fibrin clot strength (TIP-FCS) have been associated with ischemic outcomes in patients with coronary artery disease in separate studies. But, the ischemic risk associated with these factors has never been analyzed in a single study and their interrelation is unknown. The primary aim of the study was to establish cut points for CPP and TIP-FCS measured at the time of catheterization associated with long term major adverse cardiovascular events...
July 10, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28693996/human-epidermal-growth-factor-coupled-to-different-structural-classes-of-cell-penetrating-peptides-a-comparative-study
#10
Jing Chen, Haibin Li, Jianhua Chen
Human epidermal growth factor (hEGF) plays important roles in wound healing. Due to large molecular weight and hydrophilic nature, cellular uptake and skin permeation of hEGF are very poor, significantly limiting its efficacy. By using recombinant technology, four structural classes of cell penetrating peptides (CPPs) were fused at the C-terminus of hEGF, expressed and purified into homogeneity. Comparative studies were conducted to evaluate their activity, cytotoxicity, cellular uptake and skin permeation...
July 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28690987/the-influence-of-gonadotropin-releasing-hormone-agonist-treatment-on-the-body-weight-and-body-mass-index-in-girls-with-idiopathic-precocious-puberty-and-early-puberty
#11
Sung Woo Kim, Young Bae Kim, Jeong Eun Lee, Na Ri Kim, Weon Kyung Lee, Jae Kyun Ku, Eun Jeong Kim, Sun Hee Jung, Woo Yeong Chung
PURPOSE: This study aimed to investigate the influence of gonadotropin releasing hormone agonist (GnRHa) treatment on the weight and body mass index (BMI) of girls who were diagnosed with idiopathic central precocious puberty (CPP) or early puberty (EP). METHODS: Patients who were younger than 8 years of age at diagnosis were classified as CPP and patients aged between 8 and 9 years at diagnosis were classified as EP. Of 129 patients, 34 were diagnosed with CPP and 95 were diagnosed with EP...
June 2017: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/28689366/micro-ct-and-fe-sem-enamel-analyses-of-calcium-based-agent-application-after-bleaching
#12
Mauricio Neves Gomes, Flávia Pires Rodrigues, Nick Silikas, Carlos Eduardo Francci
OBJECTIVES: The objective of the present study is to evaluate the effects of casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) on bleached enamel. MATERIALS AND METHODS: A bleaching agent (35% hydrogen peroxide) was applied, 4 × 8 min on premolar teeth (n = 8). A CPP-ACP paste was applied for 7 days. Prior and post-treatment, microtomography images were obtained and 3D regions of interest (ROIs) were selected, from outer enamel, extending to 110...
July 8, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28688728/community-policies-and-programs-to-prevent-obesity-and-child-adiposity
#13
Edward A Frongillo, Stephen B Fawcett, Lorrene D Ritchie, S Sonia Arteaga, Catherine M Loria, Russell R Pate, Lisa V John, Warren J Strauss, Maria Gregoriou, Vicki L Collie-Akers, Jerry A Schultz, Andrew J Landgraf, Jyothi Nagaraja
INTRODUCTION: Evidence regarding impact of community policies and programs (CPPs) to prevent child obesity is limited, and which combinations of strategies and components are most important is not understood. The Healthy Communities Study was an observational study to assess relationships of characteristics and intensity of CPPs with adiposity, diet, and physical activity in children, taking advantage of variation across the U.S. in community actions to prevent child obesity. The study examined the association of CPPs to prevent child obesity with measured BMI and waist circumference, hypothesizing that communities with more-comprehensive CPPs would have children with lower adiposity...
July 5, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28684840/prevention-of-secondary-caries-using-silver-diamine-fluoride-treatment-and-casein-phosphopeptide-amorphous-calcium-phosphate-modified-glass-ionomer-cement
#14
(no author information available yet)
Treatment of the cavity with silver diamine fluoride before placement of glass ionomer cement containing CPP-ACP enhances anticariogenic effect in vitro.
July 7, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28684370/a-primary-pigmented-choroid-plexus-papilloma-located-within-the-sella-turcica-case-report-and-literature-review
#15
Xuan Gong, Chao Liu, Longbo Zhang, Zhenyan Li, Christopher M Bartley, Zhixiong Liu
BACKGROUND: Choroid plexus papillomas (CPPs) are rare benign tumors and the pigmented subtype is even more rarely observed. CASE DESCRIPTION: We present the case of a 43-year-old woman with complaints of headache and progressive left monocular visual deterioration, whose initial plain CT showed an ovate high density tumor located within in sellar region. MRI revealed a homogeneously contrast-enhancing tumor extending from the sella turcica to the suprasellar cistern...
July 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28682946/cerebral-alterations-following-experimental-multiple-trauma-and-hemorrhagic-shock
#16
Nina Vogt, Christiane Herden, Elke Roeb, Martin Roderfeld, Daphne Eschbach, Thorsten Steinfeldt, Hinnerk Wulf, Steffen Ruchholtz, Eberhard Uhl, Karsten Schöller
Multiple trauma (MT) associated with hemorrhagic shock (HS) might lead to cerebral hypoperfusion and brain damage. We investigated cerebral alterations using a new porcine MT/HS model without traumatic brain injury (TBI) and assessed the neuroprotective properties of mild therapeutic hypothermia. Male pigs underwent standardized MT with HS (45% or 50% loss of blood volume) and resuscitation after 90/120 minutes (T90/T120). In additional groups (TH90/TH120) mild hypothermia (33°C) was induced following resuscitation...
July 4, 2017: Shock
https://www.readbyqxmd.com/read/28681698/a-randomised-controlled-trial-to-investigate-the-remineralising-potential-of-tooth-mousse%C3%A2-in-orthodontic-patients
#17
Andrew P Garry, Norah L Flannigan, Lee Cooper, Gleb Komarov, Girvan Burnside, Sue M Higham
OBJECTIVE: To investigate the remineralisation of enamel subsurface lesions treated with fluoride toothpaste (1450 ppm) or a combination of fluoride toothpaste in addition to Tooth Mousse™. DESIGN: An in situ, cross-over, randomised controlled trial. SETTING: Orthodontic department at Liverpool University Dental Hospital, UK. PARTICIPANTS: Twelve patients receiving fixed orthodontic treatment. METHODS: Demineralised subsurface enamel lesions were placed in a carrier and attached onto a fixed orthodontic appliance...
July 6, 2017: Journal of Orthodontics
https://www.readbyqxmd.com/read/28681200/microrna-expression-signature-of-methamphetamine-use-and-addiction-in-the-rat-nucleus-accumbens
#18
Maw Shin Sim, Tomoko Soga, Vijayapandi Pandy, Yuan Seng Wu, Ishwar S Parhar, Zahurin Mohamed
Methamphetamine (METH) is a highly addictive psycho-stimulant that induces behavioral changes due to high level of METH-induced dopamine in the brain. Nucleus accumbens (NAc) plays an important role in these changes, especially in drug addiction. However, little is known about the underlying molecular mechanisms of METH-induced addiction. The objective of this study was to establish a behavioral model of METH use and addiction using escalating doses of METH over 15 days and to determine the global miRNA expression profiling in NAc of METH-addicted rats...
July 5, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28680401/cannabidiol-is-a-potential-therapeutic-for-the-affective-motivational-dimension-of-incision-pain-in-rats
#19
Karina Genaro, Débora Fabris, Ana L F Arantes, Antônio W Zuardi, José A S Crippa, Wiliam A Prado
Background: Pain involves different brain regions and is critically determined by emotional processing. Among other areas, the rostral anterior cingulate cortex (rACC) is implicated in the processing of affective pain. Drugs that interfere with the endocannabinoid system are alternatives for the management of clinical pain. Cannabidiol (CBD), a phytocannabinoid found in Cannabis sativa, has been utilized in preclinical and clinical studies for the treatment of pain. Herein, we evaluate the effects of CBD, injected either systemically or locally into the rACC, on mechanical allodynia in a postoperative pain model and on the negative reinforcement produced by relief of spontaneous incision pain...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28680394/abnormal-development-of-dendrites-in-adult-born-rat-hippocampal-granule-cells-induced-by-cyclophosphamide
#20
Lin Wu, Dandan Guo, Qi Liu, Fei Gao, Xiaochen Wang, Xueying Song, Fuwu Wang, Ren-Zhi Zhan
Although development of cognitive decline in cancer patients who receive chemotherapy is common, the underlying mechanism(s) remains to be identified. As abnormalities in adult hippocampal neurogenesis may serve as substrate for cognitive dysfunction, the present study examines the effect of cyclophosphamide (CPP), a widely prescribed chemotherapeutic agent, on dendritic development of adult-born hippocampal granule cells in the rat. CPP was intraperitoneally injected into male Sprague-Dawley rats once a week for four consecutive weeks...
2017: Frontiers in Cellular Neuroscience
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