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Pharmacology, Biochemistry, and Behavior

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https://www.readbyqxmd.com/read/28735686/nicotine-pretreatment-reduced-cocaine-induced-cpp-and-its-reinstatement-in-a-sex-and-dose-related-manner-in-adult-c57bl-6j-mice
#1
Prableen K Singh, Kabirullah Lutfy
Previous preclinical studies have shown that nicotine pretreatment during adolescence increases the reinforcing actions of cocaine. However, little is known about the effect of prior nicotine administration on cocaine-induced conditioned place preference (CPP) and its reinstatement in adult mice. Besides, little information is available regarding the role of sex in this cross-talk between nicotine and cocaine. Thus, we examined if nicotine administration during adulthood would differentially alter cocaine-induced CPP, its extinction and reinstatement in male versus female mice and if the dose of nicotine is important in this regard...
July 20, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28720521/increased-entrances-to-side-compartments-indicate-incubation-of-craving-in-morphine-induced-rat-and-tree-shrew-cpp-models
#2
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/28720520/neural-systems-mediating-the-inhibition-of-cocaine-seeking-behaviors
#3
REVIEW
Victória A Ewald, Ryan T LaLumiere
Over the past decades, research has targeted the neurobiology regulating cocaine-seeking behaviors, largely in the hopes of identifying potential targets for the treatment of cocaine addiction. Although much of this work has focused on those systems driving cocaine seeking, recently, studies examining the inhibition of cocaine-related behaviors have made significant progress in uncovering the neural systems that attenuate cocaine seeking. Such systems include the infralimbic cortex, nucleus accumbens shell, and hypothalamus...
July 15, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28716656/atomoxetine-in-abstinent-cocaine-users-cognitive-subjective-and-cardiovascular-effects
#4
Elise E DeVito, Aryeh I Herman, Noah S Konkus, Huiping Zhang, Mehmet Sofuoglu
No pharmacotherapies are approved for the treatment of cocaine use disorders (CUD). Behavioral treatments for CUD are efficacious for some individuals, but recovery rates from CUD remain low. Cognitive impairments in CUD have been linked with poorer clinical outcomes. Cognitive enhancing pharmacotherapies have been proposed as promising treatments for CUD. Atomoxetine, a norepinephrine transporter inhibitor, shows potential as a treatment for CUD based on its efficacy as a cognitive enhancer in other clinical populations and impact on addictive processes in preclinical and human laboratory studies...
July 14, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28712749/nicotine-and-cocaine-triggered-methamphetamine-reinstatement-in-female-and-male-sprague-dawley-rats
#5
Steven T Pittenger, Shinnyi Chou, Scott T Barrett, Isabella Catalano, Maxwell Lydiatt, Rick A Bevins
Preclinical studies have demonstrated a return to methamphetamine (meth)-seeking behavior (reinstatement) induced by injections of meth administered by the experimenter (drug-prime). Notably, females tend to be more sensitive to drug-prime; often displaying more reinstatement behavior when compared to males. While meth-primed reinstatement of meth-seeking behavior has been established, little is known about the ability of other drugs of abuse to substitute for meth during drug-primed reinstatement; nicotine and cocaine were the focus of the present work...
July 13, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28709784/individual-decision-making-in-the-causal-pathway-to-addiction-contributions-and-limitations-of-rodent-models
#6
REVIEW
Serge H Ahmed
The causal pathway from vulnerability to drug use and addiction involves a complex interaction between genetic, environmental, and behavioral factors. An individual can intervene on this causal pathway by two major types of individual decision. There is the inaugural, momentous decision to use a drug for the first time. This decision is influenced by both prior knowledge on the drug and its expected effects, and also by prior self-knowledge on one's own vulnerability. After an individual has used a drug for the first time, there is the decision to repeat drug use...
July 12, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28709783/role-of-the-lateral-habenula-in-memory-through-online-processing-of-information
#7
REVIEW
Victor Mathis, Lucas Lecourtier
Our memory abilities, whether they involve short-term working memory or long-term episodic or procedural memories, are essential for our well-being, our capacity to adapt to constraints of our environment and survival. Therefore, several key brain regions and neurotransmitter systems are engaged in the processing of sensory information to either maintain such information in working memory so that it will quickly be used, and/or participate in the elaboration and storage of enduring traces useful for longer periods of time...
July 11, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28687200/ceftriaxone-reduces-alcohol-intake-in-outbred-rats-while-upregulating-xct-in-the-nucleus-accumbens-core
#8
Bethany A Stennett, Jan C Frankowski, Joanna Peris, Lori A Knackstedt
Alcohol addiction is a chronic disease characterized by an inability to regulate drinking. A critical brain region involved in alcohol consumption is the nucleus accumbens (NA). Glutamate transmission in this region regulates alcohol consumption and relapse to alcohol-seeking. Across multiple alcohol-administration rodent models, basal extracellular glutamate levels are increased in the NA during early withdrawal. Glutamate transporter 1 (GLT-1) and system xC-, containing the subunit xCT, regulate NA glutamate levels...
July 4, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28669705/incubation-of-cue-induced-reinstatement-of-cocaine-but-not-sucrose-seeking-in-c57bl-6j-mice
#9
Alexandria L Nugent, Ethan M Anderson, Erin B Larson, David W Self
Prior studies have shown that drug-seeking behaviors increase, rather than dissipate, over weeks to months after withdrawal from drug self-administration. This phenomenon - termed incubation - suggests that drug-craving responses elicited by conditioned environmental or discrete cues may intensify over pronged abstinence. While most of this work is conducted in rats with intravenous drug self-administration models, there is less evidence for incubation in mice that have greater utility for molecular genetic analysis and perturbation...
June 29, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28666896/circadian-neurons-in-the-lateral-habenula-clocking-motivated-behaviors
#10
REVIEW
Jorge Mendoza
The main circadian clock in mammals is located in the hypothalamic suprachiasmatic nucleus (SCN), however, central timing mechanisms are also present in other brain structures beyond the SCN. The lateral habenula (LHb), known for its important role in the regulation of the monoaminergic system, contains such a circadian clock whose molecular and cellular mechanisms as well as functional role are not well known. However, since monoaminergic systems show circadian activity, it is possible that the LHb-clock's role is to modulate the rhythmic activity of the dopamine, serotonin and norephinephrine systems, and associated behaviors...
June 28, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28666895/the-microbiome-and-disorders-of-the-central-nervous-system
#11
Valeria D Felice, Siobhain M O'Mahony
Alterations of the gut microbiota have been associated with stress-related disorders including depression and anxiety and irritable bowel syndrome (IBS). More recently, researchers have started investigating the implication of perturbation of the microbiota composition in neurodevelopmental disorders including autism spectrum disorders and Attention-Deficit Hypersensitivity Disorder (ADHD). In this review we will discuss how the microbiota is established and its functions in maintaining health. We also summarize both pre and post-natal factors that shape the developing neonatal microbiota and how they may impact on health outcomes with relevance to disorders of the central nervous system...
June 27, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28666894/pharmacological-comparison-of-traditional-and-non-traditional-cannabinoid-receptor-1-blockers-in-rodent-models-in-vivo
#12
Balázs Varga, Ferenc Kassai, György Szabó, Péter Kovács, János Fischer, István Gyertyán
Cannabinoid receptor 1 (CB1R) antagonists have been proven to be effective anti-obesity drugs; however, psychiatric side effects have halted their pharmaceutical development worldwide. Despite the emergence of next generation CB1R blockers, a preclinical head to head comparison of the anti-obesity and psychiatric side effect profiles of the key compounds has not been performed. Here, we compared classical CB1R antagonists (rimonabant, taranabant, otenabant, ibipinabant, and surinabant) and non-traditional CB1R blockers (the partial agonist O-1269, the neutral antagonists VCHSR and LH-21 and the peripherally acting inverse agonist JD-5037) using an in vivo screening cascade...
June 27, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28666893/neural-underpinnings-of-maladaptive-decision-making-in-addictions
#13
REVIEW
Zoe Guttman, Scott J Moeller, Edythe D London
No abstract text is available yet for this article.
June 27, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28666892/pharmacotherapies-for-decreasing-maladaptive-choice-in-drug-addiction-targeting-the-behavior-and-the-drug
#14
REVIEW
Frank N Perkins, Kevin B Freeman
Drug addiction can be conceptualized as a disorder of maladaptive decision making in which drugs are chosen at the expense of pro-social, nondrug alternatives. The study of decision making in drug addiction has focused largely on the role of impulsivity as a facilitator of addiction, in particular the tendency for drug abusers to choose small, immediate gains over larger but delayed outcomes (i.e., delay discounting). A parallel line of work, also focused on decision making in drug addiction, has focused on identifying the determinants underlying the choice to take drugs over nondrug alternatives (i...
June 27, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28652199/good-night-sleep-tight-the-effects-of-sleep-deprivation-on-spatial-associative-learning-in-zebrafish
#15
Jaquelinne Pinheiro-da-Silva, Steven Tran, Priscila Fernandes Silva, Ana Carolina Luchiari
Learning and memory are vital to an animal's survival, and numerous factors can disrupt cognitive performance. Sleep is an evolutionarily conserved physiological process known to be important for the consolidation of learning and memory. The zebrafish has emerged as a powerful model organism sharing organizational and functional characteristics with other vertebrates, providing great translational relevance. In our study, we used a simple spatial associative learning task to quantify the effects of sleep deprivation (partial vs...
June 23, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28648819/%C3%AE-9-tetrahydrocannabinol-%C3%AE-9-thc-administration-after-neonatal-exposure-to-phencyclidine-potentiates-schizophrenia-related-behavioral-phenotypes-in-mice
#16
Guadalupe Rodríguez, Nichole M Neugebauer, Katherine Lan Yao, Herbert Y Meltzer, John G Csernansky, Hongxin Dong
The clinical onset of schizophrenia often coincides with cannabis use in adolescents and young adults. However, the neurobiological consequences of this co-morbidity are not well understood. In this study, we examined the effects of Δ9-THC exposure during early adulthood on schizophrenia-related behaviors using a developmental mouse model of schizophrenia. Phencyclidine (PCP) or saline was administered once in neonatal mice (at P7; 10mg/kg). In turn, Δ9-THC or saline was administered sub-acutely later in life to cohorts of animals who had received either PCP or saline (P55-80, 5mg/kg)...
June 23, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28647565/review-of-the-cytology-and-connections-of-the-lateral-habenula-an-avatar-of-adaptive-behaving
#17
REVIEW
Daniel S Zahm, David H Root
The cytology and connections of the lateral habenula (LHb) are reviewed. The habenula is first introduced, after which the cytology of the LHb is discussed mainly with reference to cell types, general topography and descriptions of subnuclei. An overview of LHb afferent connections is given followed by some details about the projections to LHb from a number of structures. An overview of lateral habenula efferent connections is given followed by some details about the projections from LHb to a number of structures...
June 21, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28647564/effects-of-chronic-forced-swim-stress-on-behavioral-properties-in-rats-with-neonatal-repeated-mk-801-treatment
#18
Kouichi Kawabe
The two-hit hypothesis has been used to explain the onset mechanism of schizophrenia. It assumes that predisposition to schizophrenia is originally attributed to vulnerability in the brain which stems from genetic or early developmental factors, and that onset is triggered by exposure to later detrimental factors such as stress in adolescence or adulthood. Based on this hypothesis, the present study examined whether rats that had received neonatal repeated treatment with an N-methyl-d-aspartate (NMDA) receptor antagonist (MK-801), an animal model of schizophrenia, were vulnerable to chronic stress...
June 21, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28642069/chronic-choline-supplementation-improves-cognitive-and-motor-performance-via-modulating-oxidative-and-neurochemical-status-in-rats
#19
Saiqa Tabassum, Saida Haider, Saara Ahmad, Syeda Madiha, Tahira Parveen
Choline, an essential nutrient, accounts for multiple functions in the body and brain. While its beneficial effects on healthy adults are not clear, choline supplementation is important during pregnancy for brain development, in elderly patients for support of cognitive performance and in patients with neurological disorders to reduce memory deficits. Thus, the aim of this study is to investigate whether choline administration in healthy adult rats beneficially impacts cognitive and locomotor performance, and associated oxidative and neurochemical outcomes...
June 19, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28642068/chloramphenicol-decreases-cb1-receptor-expression-in-the-nucleus-accumbens-and-prefrontal-cortex-and-prevents-amphetamine-induced-conditioned-place-preference-in-rats
#20
Octavio Amancio-Belmont, Diego Pérez-Vázquez, Alejandra E Ruiz-Contreras, Miguel Pérez de la Mora, Pavel E Rueda-Orozco, Mónica Méndez-Díaz, Oscar E Prospero-Garcia
Drug dependence seems to involve a learning and memory process. Since learning and memory depend on protein synthesis, drug dependence may depend on protein synthesis, too. Drug-induced reward is a crucial effect for the development of drug-dependence. We used chloramphenicol (CAP, a protein synthesis inhibitor), to evaluate its effects on amphetamine (amph)-seeking behavior, on CB1R expression and on protein synthesis in general, in specific areas of the brain. Two groups of Wistar adult male rats were subjected to amph-induced conditioned place preference (CPP)...
June 19, 2017: Pharmacology, Biochemistry, and Behavior
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