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https://www.readbyqxmd.com/read/28812595/compulsive-like-sufentanil-vapor-self-administration-in-the-rat
#1
Janaina Cm Vendruscolo, Brendan J Tunstall, Stephanie A Carmack, Brooke E Schmeichel, Emily G Lowery-Gionta, Maury Cole, Olivier George, Sophia Vandewater, Michael Taffe, George F Koob, Leandro F Vendruscolo
Opioid misuse is at historically high levels in the United States, with inhalation (ie, smoking, and vaping) being one of the most common routes of consumption. We developed and validated a novel preclinical model of opioid self-administration by inhalation that does not require surgery and reliably produces somatic and motivational signs of dependence. Rats were trained to perform an operant response (nosepoke) to receive 10 s of vaporized sufentanil, a potent opioid, in 2 h daily sessions. Rats readily and concentration-dependently self-administered vaporized sufentanil...
August 16, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28811663/monitoring-molecular-response-in-adult-t-cell-leukemia-by-high-throughput-sequencing-analysis-of-htlv-1-clonality
#2
M Artesi, A Marçais, K Durkin, N Rosewick, V Hahaut, F Suarez, A Trinquand, L Lhermitte, V Asnafi, V A Fenoel, A Burny, M Georges, O Hermine, A Van den Broeke
Leukemia accepted article preview online, 16 August 2017. doi:10.1038/leu.2017.260.
August 16, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28811653/meal-timing-effects-on-insulin-sensitivity-and-intrahepatic-triglycerides-during-weight-loss
#3
R I Versteeg, M T Ackermans, A J Nederveen, E Fliers, M J Serlie, S E la Fleur
BACKGROUND: Several human and rodent studies suggest that in addition to the amount of energy consumed, timing of food intake contributes to body weight regulation. Consuming most energy in the morning has favorable effects on weight loss and weight maintenance. Whether this also affects glucose metabolism and liver fat independently from weight loss is unknown. OBJECTIVE: We hypothesized that during weight loss, consuming most energy in the morning improves insulin sensitivity and reduces hepatic fat content more than consuming most energy in the evening...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811652/sources-of-variability-in-childhood-obesity-indicators-and-related-behaviors
#4
P T Katzmarzyk, S T Broyles, J-P Chaput, M Fogelholm, G Hu, E V Lambert, C Maher, J Maia, T Olds, V Onywera, O L Sarmiento, M Standage, M S Tremblay, C Tudor-Locke
The purpose of this study was to describe sources of variability in obesity-related variables in 6022 children aged 9-11 y from 12 countries. The study design involved recruitment of students, nested within schools, which were nested within study sites. Height, weight and waist circumference (WC) were measured and BMI was calculated; sleep duration and total and in-school moderate-to-vigorous physical activity (MVPA) and sedentary time were measured by accelerometry; and diet scores were obtained by questionnaire...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811651/inkt-cells-prevent-obesity-induced-hepatic-steatosis-in-mice-in-a-c-c-chemokine-receptor-7-dependent-manner
#5
H M Kim, R Lee, E S Lee, M H Kwon, J H Huh, B-E Kwon, E-K Park, S-Y Chang, M-N Kweon, P-H Kim, H-J Ko, C H Chung
Non-alcoholic fatty liver disease and non-alcoholic steatohepatitis are characterized by an increase in hepatic triglyceride content with infiltration of immune cells, which can cause steatohepatitis and hepatic insulin resistance. C-C chemokine receptor 7 (CCR7) is primarily expressed in immune cells, and CCR7 deficiency leads to the development of multi-organ autoimmunity, chronic renal disease, and autoimmune diabetes. Here, we investigated the effect of CCR7 on hepatic steatosis in a mouse model and its underlying mechanism...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811650/diet-induced-obesity-leads-to-metabolic-dysregulation-in-offspring-via-endoplasmic-reticulum-stress-in-a-sex-specific-manner
#6
J H Park, Y Yoo, M Cho, J Lim, A M Lindroth, Y J Park
BACKGROUND/OBJECTIVES: Exposure to metabolic stress has been suggested to influence the susceptibility to metabolic disorders in offspring according to epidemiological and animal studies. Nevertheless, molecular mechanisms remain unclear. We investigated impacts of diet-induced paternal obesity on metabolic phenotypes in offspring and its underlying molecular mechanism. SUBJECTS/METHODS: Male founder mice (F0), fed with control diet (CD) or high fat diet (HFD), were mated with CD-fed females...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811625/interleukin-7-in-the-transition-of-bone-marrow-progenitors-to-the-thymus
#7
Adam W Plumb, Abdalla Sheikh, Douglas A Carlow, Hermann J Ziltener, Ninan Abraham
Interleukin-7 (IL-7) is essential for the development of T cells in humans and mice where deficiencies in IL-7 signaling result in severe immunodeficiency. T cells require IL-7 at multiple points during development however it is unclear when IL-7 is first necessary. We observed that mice with impaired IL-7 signaling had a large reduction in the number of early thymic progenitors (ETPs) while mice that overexpress IL-7 had greatly increased numbers of ETPs. These results indicated that the development of ETPs is sensitive to IL-7...
August 16, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28809446/deferasirox-for-managing-iron-overload-in-people-with-thalassaemia
#8
REVIEW
Claudia Bollig, Lisa K Schell, Gerta Rücker, Roman Allert, Edith Motschall, Charlotte M Niemeyer, Dirk Bassler, Joerg J Meerpohl
BACKGROUND: Thalassaemia is a hereditary anaemia due to ineffective erythropoiesis. In particular, people with thalassaemia major develop secondary iron overload resulting from regular red blood cell transfusions. Iron chelation therapy is needed to prevent long-term complications.Both deferoxamine and deferiprone are effective; however, a review of the effectiveness and safety of the newer oral chelator deferasirox in people with thalassaemia is needed. OBJECTIVES: To assess the effectiveness and safety of oral deferasirox in people with thalassaemia and iron overload...
August 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28806480/aerosolized-prostacyclins-for-acute-respiratory-distress-syndrome-ards
#9
REVIEW
Arash Afshari, Anders Bastholm Bille, Mikkel Allingstrup
BACKGROUND: Acute respiratory distress syndrome (ARDS) is a critical condition that is associated with high mortality and morbidity. Aerosolized prostacyclin has been used to improve oxygenation despite the limited evidence available so far.This review was originally published in 2010 and updated in 2017. OBJECTIVES: To assess the benefits and harms of aerosolized prostacyclin in adults and children with ARDS. SEARCH METHODS: In this update, we searched CENTRAL (2017, Issue 4); MEDLINE (OvidSP), Embase (OvidSP), ISI BIOSIS Previews, ISI Web of Science, LILACS, CINAHL (EBSCOhost), and three trials registers...
July 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28805798/repeated-aav-mediated-gene-transfer-by-serotype-switching-enables-long-lasting-therapeutic-levels-of-hugt1a1-enzyme-in-a-mouse-model-of-crigler-najjar-syndrome-type-i
#10
L Bočkor, G Bortolussi, A Iaconcig, G Chiaruttini, C Tiribelli, M Giacca, F Benvenuti, L Zentilin, A F Muro
Adeno-associated virus (AAV)-mediated gene therapy is a promising strategy to treat liver-based monogenic diseases. However, two major obstacles limit its success: first, vector dilution in actively dividing cells, such as hepatocytes in neonates/children, due to the non-integrating nature of the vector; second, development of an immune response against the transgene and/or viral vector. Crigler-Najjar Syndrome Type I (CNSI) is a rare monogenic disease with neonatal onset, caused by mutations in the liver-specific UGT1 gene, with toxic accumulation of unconjugated bilirubin in plasma, tissues and brain...
August 14, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28805797/human-genomics-projects-and-precision-medicine
#11
REVIEW
F Carrasco-Ramiro, R Peiró-Pastor, B Aguado
The completion of the Human Genome Project (HGP) in 2001 opened the floodgates to a deeper understanding of medicine. There are dozens of HGP-like projects which involve from a few tens to several million genomes currently in progress, which vary from having specialised goals or a more general approach. However, data generation, storage, management and analysis in public and private cloud computing platforms have raised concerns about privacy and security. The knowledge gained from further research has changed the field of genomics and is now slowly permeating into clinical medicine...
August 14, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28805796/bifidobacterium-breve-as-a-delivery-vector-of-il-24-gene-therapy-for-head-and-neck-squamous-cell-carcinoma-in-vivo
#12
L Wang, I Vuletic, D Deng, W Crielaard, Z Xie, K Zhou, J Zhang, H Sun, Q Ren, C Guo
Beneficial bacteria are becoming ever more popular gene delivery method for hypoxia- tumor targeting in vivo. In this study we investigated the therapeutic effect of new recombinant Bifidobacterium breve strain expressing IL-24 gene (B.breve-IL24) on head and neck tumor xenograft in mice. Briefly, B.breve transformants were obtained through electro-transformation. Bacteria-tumor targeting ability were analyzed in vivo over different time points (1, 3 and 7 days post- bacteria injection). Furthermore, the therapeutic effect of bacteria on tumor cells in vivo were analyzed as follows: 30 Balb/c nude mice bearing subcutaneous tumor were randomly divided in three groups (Drug group, GFP group and Saline group)...
August 14, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28805209/neuropeptide-s-induces-acute-anxiolysis-by-phospholipase-c-dependent-signaling-within-the-medial-amygdala
#13
Thomas Grund, Inga D Neumann
Neuropeptide S (NPS) is an important anxiolytic substance of the brain. However, the signaling pathways downstream of NPS receptor (NPSR) activation, underlying the behavioral effect of NPS, remain largely unknown. Here, we show that bilateral microinfusion of NPS (0.2 nmol/0.5 μl) into the medial amygdala (MeA) of male adult Wistar rats reduced anxiety-related behavior on both, the elevated plus-maze and the open field. Moreover, as shown in amygdala tissue micropunches intracerebroventricular infusion of NPS (1 nmol/5 μl) I) evoked phosphorylation and synthesis of CaMKIIɑ in relation to reference protein beta-tubulin representing Ca(2+) influx, and II) induced phosphorylation of mitogen-activated protein kinase ERK1/2...
August 14, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28801192/evaluating-findrisc-as-a-screening-tool-for-type-2-diabetes-among-overweight-adults-in-the-preview-nz-cohort
#14
Marta Paulino Silvestre, Yannan Jiang, Katya Volkova, Hannah Chisholm, Wonjoo Lee, Sally Diana Poppitt
AIMS: This study aimed to evaluate the efficacy of a high (≥12) Finnish diabetes risk (FINDRISC) score in identifying undiagnosed prediabetes and type 2 diabetes (T2D) in an New Zealand population of overweight and obese individuals, across a variety of ethnic groups. METHODS: We estimated the efficacy of elevated FINDRISC scores in predicting prediabetes and T2D in 424 overweight adults with no prior diagnosis recruited for the PREVention of diabetes through lifestyle Interventions in Europe and Worldwide (PREVIEW) study...
August 8, 2017: Primary Care Diabetes
https://www.readbyqxmd.com/read/28790949/a-drastic-change-in-background-luminance-or-motion-degrades-the-preview-benefit
#15
Takayuki Osugi, Ikuya Murakami
When some distractors (old items) precede some others (new items) in an inefficient visual search task, the search is restricted to new items, and yields a phenomenon termed the preview benefit. It has recently been demonstrated that, in this preview search task, the onset of repetitive changes in the background disrupts the preview benefit, whereas a single transient change in the background does not. In the present study, we explored this effect with dynamic background changes occurring in the context of realistic scenes, to examine the robustness and usefulness of visual marking...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28783475/prevalence-and-management-of-coracoid-fracture-sustained-during-sporting-activities-and-time-to-return-to-sport-a-systematic-review
#16
Derrick M Knapik, Sunny H Patel, Robert J Wetzel, James E Voos
BACKGROUND: Coracoid fractures sustained during sporting activities are rare. Previous reports are limited to individual case reports, small case series, and retrospective analyses. PURPOSE: To systematically review the literature and identify coracoid fractures sustained during sporting activities to determine fracture prevalence, sporting activities/mechanisms, management, and time to return to sport. STUDY DESIGN: Systematic review. METHODS: A systematic review was conducted investigating all studies in the literature published between January 1970 and April 2017 that reported on athletes sustaining coracoid fractures during sporting activity...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28779894/identification-of-novel-cytokine-biomarkers-of-hexanal-exposure-associated-with-pulmonary-toxicity
#17
Yoon Cho, Mi-Kyung Song, Tae Sung Kim, Jae-Chun Ryu
We aimed to investigate whether exposure to low-molecular-weight saturated aliphatic aldehydes induces an airway inflammation related to lung toxicity. In previous studies, we identified that several aldehydes induced inflammatory responses through the secretion of pro-inflammatory cytokines. Here, we elucidate on whether hexanal exposure induces the lung inflammatory response through the secretion of cytokines. Hexanal is one of the aldehydes, which are major components of indoor environmental irritants. Based on a multiplexed cytokine antibody array, we investigated the cytokine expression profiles to identify the significant biomarkers of hexanal exposure and to predict the possibility of adverse effects on pulmonary toxicity using in vitro and in vivo model systems...
August 2, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28776581/decreased-brain-ph-as-a-shared-endophenotype-of-psychiatric-disorders
#18
Hideo Hagihara, Vibeke S Catts, Yuta Katayama, Hirotaka Shoji, Tsuyoshi Takagi, Freesia L Huang, Akito Nakao, Yasuo Mori, Kuo-Ping Huang, Shunsuke Ishii, Isabella A Graef, Keiichi I Nakayama, Cynthia Shannon Weickert, Tsuyoshi Miyakawa
Although the brains of patients with schizophrenia and bipolar disorder exhibit decreased brain pH relative to those of healthy controls upon postmortem examination, it remains controversial whether this finding reflects a primary feature of the diseases or is a result of confounding factors such as medication and agonal state. To date, systematic investigation of brain pH has not been undertaken using animal models, which can be studied without confounds inherent in human studies. In the present study, we first reevaluated the pH of the postmortem brains of patients with schizophrenia and bipolar disorder by conducting a meta-analysis of existing datasets from ten studies...
August 4, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28776580/effect-of-citalopram-on-emotion-processing-in-humans-a-combined-5-ht1a-11-c-cumi-101-pet-and-functional-mri-study
#19
Sudhakar Selvaraj, Chris Walker, Danilo Arnone, Bo Cao, Paul Faulkner, Philip J Cowen, Jonathan P Roiser, Oliver Howes
A subset of patients started on a selective serotonin reuptake inhibitor (SSRI) initially experience increased anxiety, which can lead to early discontinuation before therapeutic effects are manifest. The neural basis of this early SSRI effect is not known. Presynaptic dorsal raphe neuron (DRN) 5-HT1A receptors are known to play a critical role in affect processing. Thus we investigated the effect of acute citalopram on emotional processing and the relationship between DRN 5-HT1A receptor availability and amygdala reactivity...
August 4, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28776567/-retinoic-acid-and-arsenic-trioxide-sensitize-acute-promyelocytic-leukemia-cells-to-er-stress
#20
S Masciarelli, E Capuano, T Ottone, M Divona, S De Panfilis, C Banella, N I Noguera, A Picardi, G Fontemaggi, G Blandino, F Lo-Coco, F Fazi
Retinoic acid (RA) in association with chemotherapy or with arsenic trioxide (ATO) results in high cure rates of acute promyelocytic leukemia (APL). We show that RA-induced differentiation of human leukemic cell lines and primary blasts dramatically increases their sensitivity to ER stress- inducing drugs at doses that are not toxic in the absence of RA. In addition, we demonstrate that the PERK pathway, triggered in response to ER stress, plays a major protective role. Moreover, low amounts of pharmacologically induced ER stress, are sufficient to strongly increase ATO toxicity...
August 4, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
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