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Conditioned place preference

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https://www.readbyqxmd.com/read/29130470/-the-influence-of-social-stress-on-the-reinforcing-effect-of-ecstasy-under-the-conditioned-place-preference-paradigm-the-role-played-by-age-dose-and-type-of-stress
#1
REVIEW
M P Garcia-Pardo, J E de la Rubia, M A Aguilar
INTRODUCTION: Addiction to drugs is a chronic illness with severe repercussions for those that consume them and to date has no known cure. Psychostimulants, such as ecstasy, are the most widely consumed illegal drugs among adolescents and young adults. AIMS: To describe and to analyse the different variables that can influence the effects of social stress and the reinforcing properties of ecstasy. Likewise, it also seeks to evaluate whether the effects of social stress on conditioned place preference (induced by ecstasy) are similar to those deriving from other psychostimulants, such as cocaine...
November 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/29129726/examining-object-recognition-and-object-in-place-memory-in-plateau-zokors-eospalax-baileyi
#2
Ibrahim M Hegab, Yuchen Tan, Chan Wang, Baohui Yao, Haifang Wang, Weihong Ji, Junhu Su
Recognition memory is important for the survival and fitness of subterranean rodents due to the barren underground conditions that require avoiding the burden of higher energy costs or possible conflict with conspecifics. Our study aims to examine the object and object/place recognition memories in plateau zokors (Eospalax baileyi) and test whether their underground life exerts sex-specific differences in memory functions using Novel Object Recognition (NOR) and Object-in-Place (OiP) paradigms. Animals were tested in the NOR with short (10min) and long-term (24h) inter-trial intervals (ITI) and in the OiP for a 30-min ITI between the familiarization and testing sessions...
November 10, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/29129606/transgenerational-blunting-of-morphine-induced-corticosterone-secretion-is-associated-with-dysregulated-gene-expression-in-male-offspring
#3
Fair M Vassoler, Anika M Toorie, Elizabeth M Byrnes
A number of parental experiences, even when occurring prior to conception, have been shown to induce transgenerational effects beyond the first generation. In the case of exposure to drugs of abuse, studies in rodents suggest that offspring demonstrate significant differences in how they respond to the drug to which their parent was exposed. We have previously observed significant alterations in morphine analgesia, conditioned place preference and self-administration in the offspring of females exposed to morphine during adolescent development...
November 9, 2017: Brain Research
https://www.readbyqxmd.com/read/29126301/coagulation-testing-in-the-core-laboratory
#4
William E Winter, Sherri D Flax, Neil S Harris
Primary hemostasis begins with endothelial injury. VWF, produced by endothelial cells, binds to platelets and links them to subendothelial collagen. Platelet-derived ADP and thromboxane activate non-adhered platelets via their GPIIb/IIIa receptors, allowing these platelets to participate in platelet aggregation. Secondary hemostasis is initiated with the binding of factor VII to extravascular tissue factor (TF). Factors II, VII, IX and X are vitamin K-dependent factors. The role of vitamin K is to assist in the addition of gamma carboxylate groups to glutamic acids in the "GLA" domains of these factors...
November 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29116553/effect-of-sinomenine-on-the-morphine-dependence-and-related-neural-mechanisms-in-mice
#5
Miao Fang, Junkui Li, Daoqi Zhu, Chaohua Luo, Chan Li, Chen Zhu, Menglin Fan, Ken Kin-Lam Yung, Zhixian Mo
Evidence suggests that the dopamine receptor rate-limiting enzyme, tyrosine hydroxylase (TH), and the glutamate receptor, N-methyl-D-aspartate receptor 2B (NR2B), contribute to morphine dependence. Previous studies show that chronic exposure to morphine changes the expression of opioid receptors. In this study, we focus on the effects of sinomenine on morphine-dependent mice and its related neural mechanisms. Conditioned place preference (CPP) mouse model was established using morphine (9 mg/kg, s.c.), and their expression levels of TH and NR2B were observed by immunohistochemistry...
November 8, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/29111331/mating-and-social-exposure-induces-an-opioid-dependent-conditioned-place-preference-in-male-but-not-in-female-prairie-voles-microtus-ochrogaster
#6
M Ulloa, W Portillo, N F Díaz, L J Young, F J Camacho, V M Rodríguez, R G Paredes
In rodents, sexual stimulation induces a positive affective state that is evaluated by the conditioned place preference (CPP) test. Opioids are released during sexual behavior and modulate the rewarding properties of this behavior. Prairie voles (Microtus ochrogaster) are a socially monogamous species, in which copulation with cohabitation for 6h induces a pair bond. However, the mating-induced reward state that could contribute to the establishment of the long-term pair bond has not been evaluated in this species...
November 8, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/29106571/retrieval-induced-upregulation-of-tet3-in-pyramidal-neurons-of-the-dorsal-hippocampus-mediates-cocaine-associated-memory-reconsolidation
#7
Cao Liu, Xue Sun, Zhilin Wang, Qiumin Le, Peipei Liu, Changyou Jiang, Feifei Wang, Lan Ma
Background: Memory retrieval refers to re-exposure to information previously encoded and stored in the brain. Following retrieval, a once-consolidated memory destabilizes and undergoes reconsolidation, during which gene expression changes to restabilize memory. Investigating epigenetic regulation during reconsolidation could provide insights into normal memory formation and pathological memory associated with psychiatric disorders. Methods: We used cocaine-induced conditioned place preference (CPP) to assess the cocaine-associated memory of mice and used chemogenetic methods to manipulate the activity of the pyramidal neurons in the dHC...
November 2, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29103813/corrigendum-to-trpv1-modulates-morphine-induced-conditioned-place-preference-via-p38-mapk-in-the-nucleus-accumbens-behav-brain-res-334-2017-26-33
#8
Sa-Ik Hong, Thi-Lien Nguyen, Shi-Xun Ma, Hyoung-Chun Kim, Seok-Yong Lee, Choon-Gon Jang
No abstract text is available yet for this article.
November 2, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29101988/acr-appropriateness-criteria-%C3%A2-penetrating-neck%C3%A2-injury
#9
Jason W Schroeder, Thomas Ptak, Amanda S Corey, Osmanuddin Ahmed, Walter L Biffl, Joseph A Brennan, Ankur Chandra, Michael Ginsburg, Michael Hanley, Christopher H Hunt, Michele M Johnson, Tabassum A Kennedy, Nandini D Patel, Bruno Policeni, Charles Reitman, Michael L Steigner, Shirley I Stiver, Richard Strax, Matthew T Whitehead, Karin E Dill
In patients with penetrating neck injuries with clinical soft injury signs, and patients with hard signs of injury who do not require immediate surgery, CT angiography of the neck is the preferred imaging procedure to evaluate extent of injury. Other modalities, such as radiography and fluoroscopy, catheter-based angiography, ultrasound, and MR angiography have their place in the evaluation of the patient, depending on the specific clinical situation and question at hand. The ACR Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29098671/similarities-and-differences-in-diagnostic-criterion
#10
Zhengde Wei, Xiaochu Zhang
In this chapter, the main content is to discuss the similarities and differences in diagnostic criteria between substance and non-substance addictions. Firstly, diagnostic criteria of substance addiction were introduced, mainly focused on Diagnostic and Statistical Manual for the Mental Disorders, fifth edition (DSM-5). Then, we described the diagnostic criteria of several non-substance addictions, including gambling disorder, internet addiction, food addiction and hypersexual disorder. Depending on the proof, substance and non-substance addictions have many similarities in symptoms...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29095883/patterns-of-patient-and-healthcare-provider-viewpoints-regarding-participation-in-hiv-cure-related-clinical-trials-findings-from-a-multicentre-french-survey-using-q-methodology-anrs-apsec
#11
Christel Protière, Bruno Spire, Marion Mora, Isabelle Poizot-Martin, Marie Préau, Marjolaine Doumergue, Philippe Morlat, David Zucman, Cécile Goujard, François Raffi, Olivier Lambotte, Marie Suzan-Monti
CONTEXT: Despite huge advances in the fight against HIV concerning diagnosis, clinical efficacy of antiretroviral treatments (ART), patient survival and quality of life, there is still no cure. Recent developments in HIV cure research have opened the way for clinical trials which could lead to a temporary or definitive end to ART. However, ethical questions exist about related trial-participation risks. The main goal of the ANRS-APSEC survey was, using Q-methodology, to investigate the viewpoints of people living with HIV (PLWH) and HIV healthcare providers (HHP) regarding motivations for and barriers to participation in HIV Cure-related clinical trials (HCRCT)...
2017: PloS One
https://www.readbyqxmd.com/read/29094432/mu-opioid-receptors-in-gabaergic-neurons-of-the-forebrain-promote-alcohol-reward-and-drinking
#12
Sami Ben Hamida, Laura-Joy Boulos, Michael McNicholas, Pauline Charbogne, Brigitte Lina Kieffer
Mu opioid receptors (MORs) are widely distributed throughout brain reward circuits and their role in drug and social reward is well established. Substantial evidence has implicated MOR and the endogenous opioid system in alcohol reward, but circuit mechanisms of MOR-mediated alcohol reward and intake behavior remain elusive, and have not been investigated by genetic approaches. We recently created conditional knockout (KO) mice targeting the Oprm1 gene in GABAergic forebrain neurons. These mice (Dlx-MOR KO) show a major MOR deletion in the striatum, whereas receptors in midbrain (including the Ventral Tegmental Area or VTA) and hindbrain are intact...
November 2, 2017: Addiction Biology
https://www.readbyqxmd.com/read/29093669/cocaine-and-caffeine-effects-on-the-conditioned-place-preference-test-concomitant-changes-on-early-genes-within-the-mouse-prefrontal-cortex-and-nucleus-accumbens
#13
Javier A Muñiz, José P Prieto, Betina González, Máximo H Sosa, Jean L Cadet, Cecilia Scorza, Francisco J Urbano, Verónica Bisagno
Caffeine is the world's most popular psychostimulant and is frequently used as an active adulterant in many illicit drugs including cocaine. Previous studies have shown that caffeine can potentiate the stimulant effects of cocaine and cocaine-induced drug seeking behavior. However, little is known about the effects of this drug combination on reward-related learning, a key process in the maintenance of addiction and vulnerability to relapse. The goal of the present study was thus to determine caffeine and cocaine combined effects on the Conditioned Place Preference (CPP) test and to determine potential differential mRNA expression in the Nucleus Accumbens (NAc) and medial prefrontal cortex (mPFC) of immediate-early genes (IEGs) as well as dopamine and adenosine receptor subunits...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29093348/the-role-of-dopaminergic-signaling-in-the-medial-prefrontal-cortex-for-the-expression-of-cocaine-induced-conditioned-place-preference-in-rats
#14
Fumiya Shinohara, Hironori Kamii, Masabumi Minami, Katsuyuki Kaneda
The expression phase of cocaine-induced conditioned place preference (CPP) represents a cocaine-seeking behavior triggered by contextual cues associated with the rewarding effects of cocaine. However, the exact mechanisms underlying the cocaine CPP expression remain unclear. Here, we investigated the role of dopaminergic (DAergic) transmission in the medial prefrontal cortex (mPFC) for the expression of cocaine CPP. An intra-ventral tegmental area (VTA) injection of a cocktail of γ-aminobutyric acid (GABA)B and GABAA receptor agonists (baclofen and muscimol, respectively) immediately before the posttest inhibited the expression of cocaine CPP...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29089442/extinction-of-contextual-cocaine-memories-requires-cav1-2-within-d1r-expressing-cells-and-recruits-hippocampal-cav1-2-dependent-signaling-mechanisms
#15
Caitlin E Burgdorf, Kathryn C Schierberl, Anni S Lee, Delaney K Fischer, Tracey A Van Kempen, Vladimir Mudragel, Richard L Huganir, Teresa A Milner, Michael J Glass, Anjali M Rajadhyaksha
Exposure to cocaine-associated contextual cues significantly contributes to relapse. Extinction of these contextual associations, which involves a new form of learning, reduces cocaine-seeking behavior, however the molecular mechanisms underlying this process remain largely unknown. We report that extinction, but not acquisition of cocaine conditioned place preference (CPP) in male mice increased Cav1.2 L-type Ca(2+) channel mRNA and protein in postsynaptic density (PSD) fractions of the hippocampus, a brain region involved in drug-context associations...
October 31, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29081089/evaluation-of-the-abuse-potential-of-novel-amphetamine-derivatives-with-modifications-on-the-amine-nbna-and-phenyl-eda-pmea-2-apn-sites
#16
Raly James Perez Custodio, Chrislean Jun Botanas, Seong Shoon Yoon, June Bryan de la Peña, Irene Joy Dela Peña, Mikyung Kim, Taeseon Woo, Joung-Wook Seo, Choon-Gon Jang, Yong Ho Kwon, Nam Yong Kim, Yong Sup Lee, Hee Jin Kim, Jae Hoon Cheong
Recently, there has been a rise in the number of amphetamine derivatives that serve as substitutes for controlled substances (e.g. amphetamine and methamphetamine) on the global illegal drug market. These substances are capable of producing rewarding effects similar to their parent drug. In anticipation of the future rise of new and similar psychoactive substances, we designed and synthesized four novel amphetamine derivatives with N-benzyl, N-benzylamphetamine HCl (NBNA) substituent on the amine region, 1,4-dioxane ring, ethylenedioxy-amphetamine HCl (EDA), methyl, para-methylamphetamine HCl (PMEA), and naphthalene, 2-(aminopropyl) naphthalene HCl (2-APN) substituents on the phenyl site...
November 1, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29081007/interplay-of-prefrontal-cortex-and-amygdala-during-extinction-of-drug-seeking
#17
Valeria Oliva, Emilio Cartoni, Emanuele Claudio Latagliata, Stefano Puglisi-Allegra, Gianluca Baldassarre
Extinction of Pavlovian conditioning is a complex process that involves brain regions such as the medial prefrontal cortex (mPFC), the amygdala and the locus coeruleus. In particular, noradrenaline (NA) coming from the locus coeruleus has been recently shown to play a different role in two subregions of the mPFC, the prelimbic (PL) and the infralimbic (IL) regions. How these regions interact in conditioning and subsequent extinction is an open issue. We studied these processes using two approaches: computational modelling and NA manipulation in a conditioned place preference paradigm (CPP) in mice...
October 28, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/29069579/blockade-of-endothelin-receptors-reduces-tumor-induced-ongoing-pain-and-evoked-hypersensitivity-in-a-rat-model-of-facial-carcinoma-induced-pain
#18
Caroline Machado Kopruszinski, Renata Cristiane Dos Reis, Eder Gambeta, Alexandra Acco, Giles Alexander Rae, Tamara King, Juliana Geremias Chichorro
Pain reported by patients with head and neck cancer is characterized as persistent pain with mechanical allodynia. Pain management is inadequate for many patients, highlighting the need for improved therapies. We examined the hypothesis that the mixed endothelin ETA and ETB receptor antagonist, bosentan, reduces tumor-induced ongoing pain and evoked hypersensitivity in a rat model of facial cancer pain. Facial cancer was induced by inoculating a suspension of Walker-256 cells into the rat's right vibrissal pad...
October 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29066971/the-sigma-2-receptor-selective-agonist-siramesine-lu-28-179-decreases-cocaine-reinforced-pavlovian-learning-and-alters-glutamatergic-and-dopaminergic-input-to-the-striatum
#19
Anna M Klawonn, Anna Nilsson, Carl F Rådberg, Sarah H Lindström, Mia Ericson, Björn Granseth, David Engblom, Michael Fritz
Drug addiction is a chronic, debilitating disease that affects millions of people around the world causing a substantial societal burden. Despite decades of research efforts, treatment possibilities remain limited and relapse represents the most treatment-resistant element. Neurosteroid sigma-1 receptors have been meticulously studied in psychostimulant reinforced Pavlovian learning, while the sigma-2 receptor subtype has remained unexplored. Recent development of selective sigma-2 receptor ligands have now made it possible to investigate if the sigma-2 receptor system is a potential target to treat drug addiction...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29066957/effects-of-a-5-ht1b-receptor-agonist-on-locomotion-and-reinstatement-of-cocaine-conditioned-place-preference-after-abstinence-from-repeated-injections-in-mice
#20
Taleen S Der-Ghazarian, Tanessa Call, Samantha N Scott, Kael Dai, Samuel J Brunwasser, Sean N Noudali, Nathan S Pentkowski, Janet L Neisewander
5-HT1B receptors (5-HT1BRs) modulate behavioral effects of cocaine. Here we examined the effects of the 5-HT1BR agonist 5-propoxy-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-pyrrolo[3,2-b]pyridine (CP94253) on spontaneous and cocaine-induced locomotion and on cocaine-primed reinstatement of conditioned place preference (CPP) in male mice given daily repeated injections of either saline or cocaine (15 mg/kg, IP) for 20 days. In the locomotor activity experiment, testing occurred both 1 and 20 days after the final injection...
2017: Frontiers in Systems Neuroscience
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