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Rodríguez-Vega A, Dutra-Tavares AC, Souza TP, Semeão KA, Filgueiras CC, Ribeiro-Carvalho A, Manhães AC, Abreu-Villaça Y. Nicotine Exposure in a Phencyclidine-Induced Mice Model of Schizophrenia: Sex-Selective Medial Prefrontal Cortex Protein Markers of the Combined Insults in Adolescent Mice. Int J Mol Sci 2023; 24:14634. [PMID: 37834084 PMCID: PMC10572990 DOI: 10.3390/ijms241914634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/20/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Tobacco misuse as a comorbidity of schizophrenia is frequently established during adolescence. However, comorbidity markers are still missing. Here, the method of label-free proteomics was used to identify deregulated proteins in the medial prefrontal cortex (prelimbic and infralimbic) of male and female mice modelled to schizophrenia with a history of nicotine exposure during adolescence. Phencyclidine (PCP), used to model schizophrenia (SCHZ), was combined with an established model of nicotine minipump infusions (NIC). The combined insults led to worse outcomes than each insult separately when considering the absolute number of deregulated proteins and that of exclusively deregulated ones. Partially shared Reactome pathways between sexes and between PCP, NIC and PCPNIC groups indicate functional overlaps. Distinctively, proteins differentially expressed exclusively in PCPNIC mice reveal unique effects associated with the comorbidity model. Interactome maps of these proteins identified sex-selective subnetworks, within which some proteins stood out: for females, peptidyl-prolyl cis-trans isomerase (Fkbp1a) and heat shock 70 kDa protein 1B (Hspa1b), both components of the oxidative stress subnetwork, and gamma-enolase (Eno2), a component of the energy metabolism subnetwork; and for males, amphiphysin (Amph), a component of the synaptic transmission subnetwork. These are proposed to be further investigated and validated as markers of the combined insult during adolescence.
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Affiliation(s)
- Andrés Rodríguez-Vega
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-170, RJ, Brazil; (A.R.-V.); (A.C.D.-T.); (T.P.S.); (K.A.S.); (C.C.F.); (A.C.M.)
| | - Ana Carolina Dutra-Tavares
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-170, RJ, Brazil; (A.R.-V.); (A.C.D.-T.); (T.P.S.); (K.A.S.); (C.C.F.); (A.C.M.)
| | - Thainá P. Souza
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-170, RJ, Brazil; (A.R.-V.); (A.C.D.-T.); (T.P.S.); (K.A.S.); (C.C.F.); (A.C.M.)
| | - Keila A. Semeão
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-170, RJ, Brazil; (A.R.-V.); (A.C.D.-T.); (T.P.S.); (K.A.S.); (C.C.F.); (A.C.M.)
| | - Claudio C. Filgueiras
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-170, RJ, Brazil; (A.R.-V.); (A.C.D.-T.); (T.P.S.); (K.A.S.); (C.C.F.); (A.C.M.)
| | - Anderson Ribeiro-Carvalho
- Departamento de Ciências, Faculdade de Formação de Professores da Universidade do Estado do Rio de Janeiro, São Gonçalo 24435-005, RJ, Brazil;
| | - Alex C. Manhães
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-170, RJ, Brazil; (A.R.-V.); (A.C.D.-T.); (T.P.S.); (K.A.S.); (C.C.F.); (A.C.M.)
| | - Yael Abreu-Villaça
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-170, RJ, Brazil; (A.R.-V.); (A.C.D.-T.); (T.P.S.); (K.A.S.); (C.C.F.); (A.C.M.)
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Dutra-Tavares AC, Manhães AC, Semeão KA, Maia JG, Couto LA, Filgueiras CC, Ribeiro-Carvalho A, Abreu-Villaça Y. Does nicotine exposure during adolescence modify the course of schizophrenia-like symptoms? Behavioral analysis in a phencyclidine-induced mice model. PLoS One 2021; 16:e0257986. [PMID: 34587208 PMCID: PMC8480744 DOI: 10.1371/journal.pone.0257986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 09/14/2021] [Indexed: 01/18/2023] Open
Abstract
The first symptoms of schizophrenia (SCHZ) are usually observed during adolescence, a developmental period during which first exposure to psychoactive drugs also occurs. These epidemiological findings point to adolescence as critical for nicotine addiction and SCHZ comorbidity, however it is not clear whether exposure to nicotine during this period has a detrimental impact on the development of SCHZ symptoms since there is a lack of studies that investigate the interactions between these conditions during this period of development. To elucidate the impact of a short course of nicotine exposure across the spectrum of SCHZ-like symptoms, we used a phencyclidine-induced adolescent mice model of SCHZ (2.5mg/Kg, s.c., daily, postnatal day (PN) 38-PN52; 10mg/Kg on PN53), combined with an established model of nicotine minipump infusions (24mg/Kg/day, PN37-44). Behavioral assessment began 4 days after the end of nicotine exposure (PN48) using the following tests: open field to assess the hyperlocomotion phenotype; novel object recognition, a declarative memory task; three-chamber sociability, to verify social interaction and prepulse inhibition, a measure of sensorimotor gating. Phencyclidine exposure evoked deficits in all analyzed behaviors. Nicotine history reduced the magnitude of phencyclidine-evoked hyperlocomotion and impeded the development of locomotor sensitization. It also mitigated the deficient sociability elicited by phencyclidine. In contrast, memory and sensorimotor gating deficits evoked by phencyclidine were neither improved nor worsened by nicotine history. In conclusion, our results show for the first time that nicotine history, restricted to a short period during adolescence, does not worsen SCHZ-like symptoms evoked by a phencyclidine-induced mice model.
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Affiliation(s)
- Ana Carolina Dutra-Tavares
- Departamento de Ciências Fisiológicas, Laboratório de Neurofisiologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil
| | - Alex C. Manhães
- Departamento de Ciências Fisiológicas, Laboratório de Neurofisiologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil
| | - Keila A. Semeão
- Departamento de Ciências Fisiológicas, Laboratório de Neurofisiologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil
| | - Julyana G. Maia
- Departamento de Ciências Fisiológicas, Laboratório de Neurofisiologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil
| | - Luciana A. Couto
- Departamento de Ciências Fisiológicas, Laboratório de Neurofisiologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil
| | - Claudio C. Filgueiras
- Departamento de Ciências Fisiológicas, Laboratório de Neurofisiologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil
| | - Anderson Ribeiro-Carvalho
- Departamento de Ciências, Faculdade de Formação de Professores da Universidade do Estado do Rio de Janeiro, São Gonçalo, RJ, Brazil
| | - Yael Abreu-Villaça
- Departamento de Ciências Fisiológicas, Laboratório de Neurofisiologia, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil
- * E-mail: ,
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Sex- and age-dependent differences in nicotine susceptibility evoked by developmental exposure to tobacco smoke and/or ethanol in mice. J Dev Orig Health Dis 2020; 12:940-951. [PMID: 33292889 DOI: 10.1017/s2040174420001191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Either tobacco smoking or alcohol consumption during pregnancy sex-selectively increases susceptibility to drugs of abuse later in life. Considering that pregnant smoking women are frequently intermittent consumers of alcoholic beverages, here, we investigated whether a short-term ethanol exposure restricted to the brain growth spurt period when combined with chronic developmental exposure to tobacco smoke aggravates susceptibility to nicotine in adolescent and adult mice. Swiss male and female mice were exposed to tobacco smoke (SMK; research cigarettes 3R4F, whole-body exposure, 8 h/daily) or ambient air during the gestational period and until the tenth postnatal day (PN). Ethanol (ETOH, 2 g/Kg, 25%, i.p.) or saline was injected in the pups every other day from PN2 to PN10. There were no significant differences in cotinine (nicotine metabolite) and ethanol serum levels among SMK, ETOH and SMK + ETOH groups. During adolescence (PN30) and adulthood (PN90), nicotine (NIC, 0.5 mg/Kg) susceptibility was evaluated in the conditioned place preference and open field tests. NIC impact was more evident in females: SMK, ETOH and SMK + ETOH adolescent females were equally more susceptible to nicotine-induced place preference than control animals. At adulthood, SMK and SMK + ETOH adult females exhibited a nicotine-evoked hyperlocomotor profile in the open field, with a stronger effect in the SMK + ETOH group. Our results indicate that ethanol exposure during the brain growth spurt, when combined to developmental exposure to tobacco smoke, increases nicotine susceptibility with stronger effects in adult females. This result represents a worsened outcome from the early developmental dual exposure and may predispose nicotine use/abuse later in life.
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Hyperactivity and memory/learning deficits evoked by developmental exposure to nicotine and/or ethanol are mitigated by cAMP and cGMP signaling cascades activation. Neurotoxicology 2018; 66:150-159. [PMID: 29653137 DOI: 10.1016/j.neuro.2018.04.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 03/09/2018] [Accepted: 04/03/2018] [Indexed: 01/29/2023]
Abstract
Pregnant smoking women are frequently episodic drinkers. Here, we investigated whether ethanol exposure restricted to the brain growth spurt period when combined with chronic developmental exposure to nicotine aggravates memory/learning deficits and hyperactivity, and associated cAMP and cGMP signaling disruption. To further investigate the role of these signaling cascades, we verified whether vinpocetine (a phosphodiesterase inhibitor) ameliorates the neurochemical and behavioral outcomes. Swiss mice had free access to nicotine (NIC, 50 μg/ml) or water to drink during gestation and until the 8th postnatal day (PN8). Ethanol (ETOH, 5 g/kg, i.p.) or saline were injected in the pups every other day from PN2 to PN8. At PN30, animals either received vinpocetine (20 mg/kg, i.p.) or vehicle before being tested in the step-down passive avoidance or open field. Memory/learning was impaired in NIC, ETOH and NIC + ETOH mice, and vinpocetine mitigated ETOH- and NIC + ETOH-induced deficits. Locomotor hyperactivity identified in ETOH and NIC + ETOH mice was ameliorated by vinpocetine. While cyclic nucleotides levels in cerebral cortex and hippocampus were reduced by NIC, ETOH and NIC + ETOH, this outcome was more consistent in the latter group. As observed for behavior, vinpocetine normalized NIC + ETOH nucleotides levels. pCREB levels were also increased in response to vinpocetine, with stronger effects in the NIC + ETOH group. Exposure to both drugs of abuse worsens behavioral and neurochemical disruption. These findings and the amelioration of deleterious effects by vinpocetine support the idea that cAMP and cGMP signaling contribute to nicotine- and ethanol-induced hyperactivity and memory/learning deficits.
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Abreu-Villaça Y, Manhães AC, Krahe TE, Filgueiras CC, Ribeiro-Carvalho A. Tobacco and alcohol use during adolescence: Interactive mechanisms in animal models. Biochem Pharmacol 2017; 144:1-17. [DOI: 10.1016/j.bcp.2017.06.113] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 06/05/2017] [Indexed: 12/13/2022]
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Krahe TE, Filgueiras CC, da Silva Quaresma R, Schibuola HG, Abreu-Villaça Y, Manhães AC, Ribeiro-Carvalho A. Energy drink enhances the behavioral effects of alcohol in adolescent mice. Neurosci Lett 2017; 651:102-108. [PMID: 28456714 DOI: 10.1016/j.neulet.2017.04.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 04/24/2017] [Accepted: 04/25/2017] [Indexed: 01/15/2023]
Abstract
Mixing alcohol with energy drinks has become increasingly popular among teenagers and young adults due to the prevailing view that the stimulant properties of energy drinks decrease the depressant effects of alcohol. Surprisingly, in spite of energy drinks being heavily marketed to and consumed by adolescents, there is scarcely available preclinical data on the neurobehavioral effects of energy drinks mixed with alcohol during adolescence. Thus, here we examine the effects of the combined exposure to alcohol and energy drink on adolescent mice using a variety of behavioral tasks to assess locomotor activity, righting reflex and motor coordination. At postnatal day 40, male and female Swiss mice were assigned to the following experimental groups: alcohol diluted in energy drink (Ed+Etoh), alcohol diluted in water (Etoh) or controls (Ctrl: energy drink or water). Alcohol and energy drink (Red Bull) concentrations were 4g/kg and 8ml/kg, respectively, and all solutions were administered via oral gavage. When compared to Etoh mice, Ed+Etoh animals displayed greater locomotor activity and increased anxiety-like behaviors in the open-field, lost their righting reflexes sooner and displayed poorer motor coordination in the rotarod. Collectively, our findings indicate that alcohol-induced deficits in adolescent mice are worsened by energy drink and go against the view that the stimulant properties of energy drinks can antagonize the adverse effects of alcohol.
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Affiliation(s)
- Thomas E Krahe
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ, 20550-170, Brazil
| | - Cláudio C Filgueiras
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ, 20550-170, Brazil
| | - Renata da Silva Quaresma
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ, 20550-170, Brazil
| | - Helen Gomes Schibuola
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ, 20550-170, Brazil
| | - Yael Abreu-Villaça
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ, 20550-170, Brazil
| | - Alex C Manhães
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ, 20550-170, Brazil
| | - Anderson Ribeiro-Carvalho
- Departamento de Ciências, Faculdade de Formação de Professores da Universidade do Estado do Rio de Janeiro, Rua Dr. Francisco Portela 1470 - Patronato, São Gonçalo, RJ, 24435-005, Brazil.
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Tarren JR, Bartlett SE. Alcohol and nicotine interactions: pre-clinical models of dependence. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2016; 43:146-154. [PMID: 27740856 DOI: 10.1080/00952990.2016.1197232] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
While the co-morbidity of alcohol (ethanol) and tobacco (nicotine) dependence is well described, the processes that underpin this strong connection are still under debate. With the increasing popularity of electronic cigarettes (e-cigarettes), it is now becoming more important to look to the neurobiological mechanisms involving alcohol and nicotine interactions to effectively treat a new generation of co-dependent individuals. Researchers have already recognized that the neuropathology produced by the combination of nicotine and ethanol is likely to produce an addictive nature very different to that of either one alone, and are employing a mixture of pre-clinical techniques to establish and investigate every stage in the development of both nicotine and ethanol-seeking behaviors. While it is agreed that multiple pathways orchestrate the complex reward profile of alcohol and nicotine co-addiction, several lines of evidence suggest the convergent site of action is within the mesolimbic dopaminergic system, at neuronal nicotinic acetylcholine receptors (nAChRs). A whole host of strategies are currently being employed to discover and unravel previously unknown or ill understood neurobiological processes in the brain, contributing greatly toward the development of novel pharmacotherapies with the aim of improving patient outcomes. This review intends to shed some light on the most influential and most recent pre-clinical work that is leading the charge in modeling this complicated relationship.
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Affiliation(s)
- Josephine R Tarren
- a Institute of Health and Biomedical Innovation, Translational Research Institute, Queensland University of Technology , Woolloongabba , QLD , Australia
| | - Selena E Bartlett
- a Institute of Health and Biomedical Innovation, Translational Research Institute, Queensland University of Technology , Woolloongabba , QLD , Australia
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Arora S, Vohora D. Comparative Evaluation of Partial α2 -Adrenoceptor Agonist and Pure α2 -Adrenoceptor Antagonist on the Behavioural Symptoms of Withdrawal after Chronic Alcohol Administration in Mice. Basic Clin Pharmacol Toxicol 2016; 119:202-9. [PMID: 26867012 DOI: 10.1111/bcpt.12566] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 01/28/2016] [Indexed: 12/22/2022]
Abstract
As an addictive drug, alcohol produces withdrawal symptoms if discontinued abruptly after chronic use. Clonidine (CLN), a partial α2 -adrenergic agonist, and mirtazapine (MRT), an antagonist of α2 -adrenoceptor, both clinically aid alcohol withdrawal. Considering different mechanisms of action of the two drugs, this study was designed to see how far these two mechanistically different drugs differ in their ability to decrease the severity of ethanol withdrawal syndrome. The effect of CLN and MRT on ethanol withdrawal-induced anxiety, depression and memory impairment was analysed using EPM, FST and PAR tests, respectively. Animals received distilled water, ethanol and/or either of the drugs (CLN and MRT) in different doses. Relapse to alcohol use was analysed by CPP test. Animals received ethanol as a conditioning drug and distilled water, CLN or MRT as test drug. CLN and MRT both alleviated anxiety in a dose-dependent manner. MRT (4 mg/kg) was more effective than CLN (0.1 mg/kg) in ameliorating the anxiogenic effect of alcohol withdrawal. However, CLN treatment increased depression. It significantly decreased swimming time and increased immobility time, whereas MRT treatment decreased immobility time and increased climbing and swimming time during abstinence. The effect was dose dependent for both drugs. The results of PAR test show that CLN treatment worsens working memory. Significant increase in SDE and TSZ and decrease in SDL were observed in CLN-treated animals. MRT treatment, on the other hand, improved working memory at both doses. Further, both CLN and MRT alleviated craving. A significant decrease in time spent in the ethanol-paired chamber was seen. MRT treatment at both doses showed better effect than CLN in preventing the development of preference in CPP test. These findings indicate a potential therapeutic use and better profile of mirtazapine over clonidine in improving memory, as well as in alleviating depression, anxiety and craving associated with alcohol withdrawal.
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Affiliation(s)
- Shivani Arora
- Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard University, New Delhi, India
| | - Divya Vohora
- Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard University, New Delhi, India
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Dutra-Tavares AC, Manhães AC, Silva JO, Nunes-Freitas AL, Conceição EPS, Moura EG, Lisboa PC, Filgueiras CC, Abreu-Villaça Y, Ribeiro-Carvalho A. Locomotor response to acute nicotine in adolescent mice is altered by maternal undernutrition during lactation. Int J Dev Neurosci 2015; 47:278-85. [PMID: 26482122 DOI: 10.1016/j.ijdevneu.2015.10.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 09/14/2015] [Accepted: 10/12/2015] [Indexed: 11/25/2022] Open
Abstract
Undernutrition during brain development causes long lasting alterations in different neurotransmitter systems that may alter responses to psychoactive drugs. Despite the recognized effects of early undernutrition on the cholinergic system, no evidence that demonstrates the influence of this insult on nicotine susceptibility has been reported. We investigated the effects of protein/calorie restriction during lactation on the susceptibility to nicotine in adolescent mice. Dams were randomly assigned to one of the following groups: Control (C, 20 litters)--free access to standard laboratory diet (23% protein); Protein Restricted (PR, 12 litters)--free access to a isoenergetic, 8% protein diet; Calorie Restricted (CR, 12 litters)--access to standard laboratory diet in restricted quantities (mean ingestion of PR: pair-fed group). Undernutrition extended from postnatal day 2 (PN2) to weaning (PN21). At PN30, animals either received an i.p. injection of nicotine (0.5mg/Kg) or saline and were immediately placed in open field (OF). After the OF, adrenal glands and serum were collected for the analyses of stress-related endocrine parameters and leptin concentration. PR and CR offspring showed less body mass gain and visceral fat mass. PR offspring presented reduced serum leptin concentration. In the OF, nicotine increased locomotor activity of C and PR, but not of CR. CR and PR offspring showed decreased adrenal catecholamine content, which was not dependent on nicotine exposure. Our results indicate that early undernutrition interferes with nicotine-elicited locomotor effects in adolescent mice and suggest that endocrine parameters alterations in malnourished animals do not influence the behavioral response to nicotine.
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Affiliation(s)
- Ana C Dutra-Tavares
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Alex C Manhães
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Juliana O Silva
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - André L Nunes-Freitas
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Ellen P S Conceição
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Egberto G Moura
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Patrícia C Lisboa
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Cláudio C Filgueiras
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Yael Abreu-Villaça
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
| | - Anderson Ribeiro-Carvalho
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar - Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil; Departamento de Ciências, Faculdade de Formação de Professores da Universidade do Estado do Rio de Janeiro, Rua Dr. Francisco Portela 1470-Patronato, São Gonçalo, RJ 24435-005, Brazil.
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Florek E, Kulza M, Piekoszewski W, Gomółka E, Jawień W, Teżyk A, Napierała M. Influence of tobacco smoke exposure on pharmacokinetics of ethyl alcohol in alcohol preferring and non-preferring rats. Pharmacol Rep 2015; 67:921-7. [PMID: 26398386 DOI: 10.1016/j.pharep.2015.02.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Revised: 02/14/2015] [Accepted: 02/17/2015] [Indexed: 11/18/2022]
Abstract
BACKGROUND A vast majority of people who abuse alcohol are also defined as "heavy smokers". Tobacco smokes induces CYP1A1, CYP1A2, CYP2A6 isoenzymes, but on the other hand, ethanol activates CYP2E1, which can be important during combined, chronic use of both of them. The aim of the study was to evaluate the influence of tobacco smoke xenobiotics on ethanol pharmacokinetics and the level of its metabolites in alcohol preferring and non-preferring rats. METHODS Ethanol, acetaldehyde, methanol, n-propanol and n-butanol were determined in whole blood by means of gas chromatography. Cotinine in serum was determined by LC-MS/MS. A non-compartmental analysis (cotinine, acetaldehyde) and Widmark equation (ethanol) were used for pharmacokinetic parameters calculation. RESULTS Ethanol levels were lower in animals exposed to tobacco smoke compared to rats receiving this xenobiotic, without a prior exposure to tobacco smoke. Lower values of the studied pharmacokinetic parameters were observed in the alcohol preferring males compared to the non-alcohol preferring rats. Both n-propanol and n-butanol had higher values of the pharmacokinetic parameters analyzed in the animals exposed to tobacco smoke and ethanol compared to those, which ethanol was administered only once. CONCLUSIONS An increase in maximum concentration and the area under concentration-time curve for ethanol after its administration to rats preferring alcohol and exposed to tobacco smoke are accompanied by a decrease in the volume of distribution. The changes in the volume of distribution may be caused by an increase in the first-pass effect, in the intestinal tract and/or in the liver. The acetaldehyde elimination rate constant was significantly higher in alcohol-preferring animals.
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Affiliation(s)
- Ewa Florek
- Laboratory of Environmental Research, Department of Toxicology, Poznan University of Medical Sciences, Poznań, Poland.
| | - Maksymilian Kulza
- Laboratory of Environmental Research, Department of Toxicology, Poznan University of Medical Sciences, Poznań, Poland
| | - Wojciech Piekoszewski
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Kraków, Poland; Laboratory of High Resolution Mass Spectrometry, Faculty of Chemistry, Jagiellonian University, Kraków, Poland
| | - Ewa Gomółka
- Laboratory of Analytical Toxicology and Drug Monitoring, Jagiellonian University, Kraków, Poland
| | - Wojciech Jawień
- Department of Pharmacokinetics and Physical Pharmacy, Jagiellonian University, Kraków, Poland
| | - Artur Teżyk
- Department of Forensic Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Marta Napierała
- Laboratory of Environmental Research, Department of Toxicology, Poznan University of Medical Sciences, Poznań, Poland
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11
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McClernon FJ, Addicott MA, Sweitzer MM. Smoking abstinence and neurocognition: implications for cessation and relapse. Curr Top Behav Neurosci 2015; 23:193-227. [PMID: 25655892 DOI: 10.1007/978-3-319-13665-3_8] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
In this chapter, we review the last decade of research on the effects of smoking abstinence on various forms of neurocognition, including executive function (working memory, sustained attention, response inhibition), reward processing, and cue-reactivity. In our review we identify smoking abstinence-induced deficits in executive function mediated by effects on frontal circuitry, which in turn is known to be affected by modulation of cholinergic, dopaminergic, and other neurotransmitter systems. We also review evidence that smoking abstinence blunts reactivity to non-drug reinforcers-a finding that is consistent with results in the animal literature. Finally, our review of cue-reactivity indicates that smoking abstinence does not appear to amplify cue-provoked craving, although it may increase attentional bias to smoking-related cues. Inconsistencies across findings and potential contributing factors are discussed. In addition, we review the literature on the effects of nicotine and non-nicotine factors in neurocognition. Finally, we provide a multi-factor model and an agenda for future research on the effects of smoking abstinence on neurocognition. The model includes four distinct yet interacting factors, including: Negative Reinforcement, Drug-Reward Bias, Goal and Skill Interference, and Non-Cognitive Factors. Additional research is needed to further evaluate the scope and time-course of abstinence-induced changes in neurocognition, the mechanisms that underlie these changes and the specific role of these processes in drug reinforcement, lapse, and relapse.
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Affiliation(s)
- F Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, 2608 Erwin Rd Box 3527, Lakeview Pavilion E Ste 300, Durham, NC, 27705-4596, USA,
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Chang SL, Connaghan KP, Wei Y, Li MD. NeuroHIV and use of addictive substances. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2014; 118:403-40. [PMID: 25175871 DOI: 10.1016/b978-0-12-801284-0.00013-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In the past three decades, substance abuse has been identified as a key comorbidity of human immunodeficiency virus-1 (HIV-1) infection. Many studies have found that the use and abuse of addictive substances hastens the progression of HIV-1 infection and HIV-associated neurocognitive disorders. Advances in highly active antiretroviral therapy (HAART) in the mid-1990s have been successful in limiting the HIV-1 viral load and maintaining a relatively healthy immune response, allowing the life expectancy of patients infected with HIV to approach that of the general population. However, even with HAART, HIV-1 viral proteins are still expressed and eradication of the virus, particularly in the brain, the key reservoir organ, does not occur. In the post-HAART era, the clinical challenge in the treatment of HIV infection is inflammation of the central nervous system (CNS) and its subsequent neurological disorders. To date, various explicit and implicit connections have been identified between the neuronal circuitry involved in immune responses and brain regions affected by and implicated in substance abuse. This chapter discusses past and current medical uses of prototypical substances of abuse, including morphine, alcohol, cocaine, methamphetamine, marijuana, and nicotine, and the evidence that systemic infections, particularly HIV-1 infection, cause neurological dysfunction as a result of inflammation in the CNS, which can increase the risk of substance abuse.
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Affiliation(s)
- Sulie L Chang
- Institute of NeuroImmune Pharmacology, Seton Hall University, South Orange, New Jersey, USA; Department of Biological Sciences, Seton Hall University, South Orange, New Jersey, USA.
| | - Kaitlyn P Connaghan
- Institute of NeuroImmune Pharmacology, Seton Hall University, South Orange, New Jersey, USA
| | - Yufeng Wei
- Institute of NeuroImmune Pharmacology, Seton Hall University, South Orange, New Jersey, USA
| | - Ming D Li
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, Virginia, USA
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13
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Combined exposure to tobacco smoke and ethanol during adolescence leads to short- and long-term modulation of anxiety-like behavior. Drug Alcohol Depend 2013; 133:52-60. [PMID: 23810373 DOI: 10.1016/j.drugalcdep.2013.05.033] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 05/10/2013] [Accepted: 05/30/2013] [Indexed: 11/23/2022]
Abstract
BACKGROUND Tobacco smoking is associated with alcohol drinking and consumption of both drugs typically begins during adolescence. Since anxiety is considered a relevant factor for both smoking and drinking due to its motivating force for a continued consumption, anxiety alterations shared by these two drugs could explain their co-use and co-abuse. METHODS Here, we investigated the short- and long-term effects of adolescent tobacco smoke and/or ethanol exposure on anxiety levels. From postnatal day 30-45, Swiss mice were exposed to tobacco smoke (SMK--whole body exposure, 8 h/day) and/or ethanol (ETOH--25% solution, 2g/kg i.p. injected every other day) as follows: (1) SMK+ETOH exposure; (2) SMK exposure; (3) ETOH exposure; (4) Control. Anxiety levels were assessed with the elevated plus maze and open field tests. RESULTS By the end of exposure, SMK female mice presented an anxiolytic response in the elevated plus maze and this response was intensified by co-exposure to ethanol. A short-term deprivation from SMK elicited an anxiogenic state in females in this maze. Although neither smoke nor ethanol effects persisted one month post-exposure, SMK+ETOH male and female mice exhibited an anxiogenic response in the open field. CONCLUSION Adolescent female mice are more susceptible to the anxiolytic effects of SMK. The stronger effect in SMK+ETOH group suggests that, in females, the combined exposure leads to lower anxiety levels. Anxiety levels do not seem to be relevant during a short-term SMK+ETOH deprivation, however, increased anxiety during long-term smoking and drinking deprivation demonstrate late-emergent effects both in males and females.
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14
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Behavioral effects of combined environmental enrichment and chronic nicotine administration in male NMRI mice. Physiol Behav 2013; 114-115:65-76. [DOI: 10.1016/j.physbeh.2013.03.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Revised: 09/27/2012] [Accepted: 03/12/2013] [Indexed: 12/18/2022]
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15
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Abreu-Villaça Y, de Carvalho Graça AC, Ribeiro-Carvalho A, Naiff VF, Manhães AC, Filgueiras CC. Combined Exposure to Tobacco Smoke and Ethanol in Adolescent Mice Elicits Memory and Learning Deficits Both During Exposure and Withdrawal. Nicotine Tob Res 2012; 15:1211-21. [DOI: 10.1093/ntr/nts250] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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16
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Raoufi N, Piri M, Moshfegh A, Shahin MS. Nicotine improves ethanol-induced impairment of memory: Possible involvement of nitric oxide in the dorsal hippocampus of mice. Neuroscience 2012; 219:82-91. [DOI: 10.1016/j.neuroscience.2012.06.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Revised: 06/02/2012] [Accepted: 06/04/2012] [Indexed: 02/03/2023]
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17
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Exposure to nicotine and ethanol in adolescent mice: Effects on depressive-like behavior during exposure and withdrawal. Behav Brain Res 2011; 221:282-9. [DOI: 10.1016/j.bbr.2011.03.014] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Revised: 03/02/2011] [Accepted: 03/06/2011] [Indexed: 12/26/2022]
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18
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Archer T. Effects of exogenous agents on brain development: stress, abuse and therapeutic compounds. CNS Neurosci Ther 2010; 17:470-89. [PMID: 20553311 DOI: 10.1111/j.1755-5949.2010.00171.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
The range of exogenous agents likely to affect, generally detrimentally, the normal development of the brain and central nervous system defies estimation although the amount of accumulated evidence is enormous. The present review is limited to certain types of chemotherapeutic and "use-and-abuse" compounds and environmental agents, exemplified by anesthetic, antiepileptic, sleep-inducing and anxiolytic compounds, nicotine and alcohol, and stress as well as agents of infection; each of these agents have been investigated quite extensively and have been shown to contribute to the etiopathogenesis of serious neuropsychiatric disorders. To greater or lesser extent, all of the exogenous agents discussed in the present treatise have been investigated for their influence upon neurodevelopmental processes during the period of the brain growth spurt and during other phases uptill adulthood, thereby maintaining the notion of critical phases for the outcome of treatment whether prenatal, postnatal, or adolescent. Several of these agents have contributed to the developmental disruptions underlying structural and functional brain abnormalities that are observed in the symptom and biomarker profiles of the schizophrenia spectrum disorders and the fetal alcohol spectrum disorders. In each case, the effects of the exogenous agents upon the status of the affected brain, within defined parameters and conditions, is generally permanent and irreversible.
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Affiliation(s)
- Trevor Archer
- Department of Psychology, University of Gothenburg, Gothenburg, Sweden.
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19
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Oliveira-da-Silva A, Manhães AC, Cristina-Rodrigues F, Filgueiras CC, Abreu-Villaça Y. Hippocampal increased cell death and decreased cell density elicited by nicotine and/or ethanol during adolescence are reversed during drug withdrawal. Neuroscience 2010; 167:163-73. [PMID: 20138127 DOI: 10.1016/j.neuroscience.2010.01.060] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2009] [Revised: 01/27/2010] [Accepted: 01/28/2010] [Indexed: 01/19/2023]
Abstract
We have recently identified hippocampal cell death and reduced neuronal and glial cells densities during adolescent nicotine and ethanol exposures and outcomes reduced in severity when nicotine and ethanol are co-administered during this developmental period. In the present study, we investigated the effects of adolescent nicotine and/or ethanol withdrawal on the following regions of the hippocampus: Granular layer of the Dentate Gyrus (GrDG), Molecular layer (Mol), CA1, CA2 and CA3. From the 30th to the 45th postnatal day (PN30-PN45), C57BL/6 male and female mice were exposed to nicotine free base (NIC) and/or ethanol (ETOH). Four groups were analyzed: (1) concomitant NIC (50 microg/ml in 2% saccharin to drink) and ETOH (25%, 2 g/kg i.p. injected every other day) exposure; (2) NIC exposure; (3) ETOH exposure; (4) vehicle. We evaluated cell degeneration (TUNEL assay), neuronal and glial densities (optical Disector) and region thicknesses two (PN47) and five (PN50) days post-exposure. On PN47, there were increases in the number of TUNEL+ cells in most hippocampal regions of both ETOH and NIC groups. In the NIC+ETOH group there were less severe effects. These results were paralleled by reductions in neuronal and glial cells densities for all treatment groups. In contrast, on PN50, ethanol and/or nicotine withdrawal were associated with compensatory reductions in TUNEL+ cells in all hippocampal regions. These results were paralleled by a reversal of effects on neuronal and glial densities so that there were no longer differences between groups. There were no effects on region thicknesses. These results suggest that deleterious effects of nicotine and/or ethanol are reversed during prolonged withdrawal.
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Affiliation(s)
- A Oliveira-da-Silva
- Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcântara Gomes, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Riley HH, Zalud AW, Diaz-Granados JL. The influence of a chronic adolescent nicotine exposure on ethanol withdrawal severity during adulthood in C3H mice. Alcohol 2010; 44:81-7. [PMID: 20113876 DOI: 10.1016/j.alcohol.2009.10.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2009] [Revised: 10/20/2009] [Accepted: 10/21/2009] [Indexed: 11/18/2022]
Abstract
Animal and human studies have shown tolerance, consumption, relapse, and behavioral interactions between ethanol and nicotine, but little is understood about their interaction, especially as it relates to ethanol withdrawal in adulthood for subjects who have an adolescent history of using these drugs. This study investigated nicotine's influence on ethanol withdrawal seizures in two different age groups of male C3H mice. Adolescent and adult male C3H mice, beginning at postnatal day 28 or 70, respectively, were subjected to a 7-day chronic exposure to ethanol only, ethanol plus nicotine, nicotine only, or vehicle treatment. Six weeks later, all the groups were subjected to chronic exposure to ethanol vapors and the severity of their ethanol withdrawal seizures was assessed by handling-induced convulsions. An adolescent exposure to chronic nicotine resulted in an exacerbation of ethanol withdrawal seizures in adulthood. Given this, adolescence may contain a neurophysiological critical period that is sensitive to nicotine and which may result in an altered response to ethanol dependency in adulthood. These findings have serious implications for the long-term consequences following co-abuse of these drugs during adolescence.
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Affiliation(s)
- Hugh H Riley
- Department of Psychology and Neuroscience, Baylor University, Waco, TX 76798, USA
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21
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Abreu-Villaça Y, Filgueiras CC, Manhães AC. Developmental aspects of the cholinergic system. Behav Brain Res 2010; 221:367-78. [PMID: 20060019 DOI: 10.1016/j.bbr.2009.12.049] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Accepted: 12/26/2009] [Indexed: 01/19/2023]
Abstract
Beyond its importance in sustaining or modulating different aspects of the activity of the central nervous system (CNS), the cholinergic system plays important roles during development. In the current review, we focus on the developmental aspects associated with major components of the cholinergic system: Acetylcholine, choline acetyltransferase, vesicular acetylcholine transporter, high-affinity choline transporter, acetylcholinesterase, nicotinic and muscarinic receptors. We describe when and where each one of these components is first identified in the CNS and the changes in their levels that occur during the course of prenatal and postnatal development. We also describe how these components are relevant to many events that occur during the development of the CNS, including progenitor cells proliferation and differentiation, neurogenesis, gliogenesis, neuronal maturation and plasticity, axonal pathfinding, regulation of gene expression and cell survival. It will be noticed that evidence regarding the developmental aspects of the cholinergic system comes mostly from studies that used agonists, such as nicotine, and antagonists, such as hemicholinium-3. Studies using immunohistochemistry and genetically altered mice also provided valuable information.
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Affiliation(s)
- Yael Abreu-Villaça
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar, Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil.
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Ribeiro-Carvalho A, Lima C, Medeiros A, Siqueira N, Filgueiras C, Manhães A, Abreu-Villaça Y. Combined exposure to nicotine and ethanol in adolescent mice: effects on the central cholinergic systems during short and long term withdrawal. Neuroscience 2009; 162:1174-86. [DOI: 10.1016/j.neuroscience.2009.05.032] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2009] [Revised: 05/05/2009] [Accepted: 05/16/2009] [Indexed: 11/29/2022]
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23
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Oliveira-da-Silva A, Vieira FB, Cristina-Rodrigues F, Filgueiras CC, Manhães AC, Abreu-Villaça Y. Increased apoptosis and reduced neuronal and glial densities in the hippocampus due to nicotine and ethanol exposure in adolescent mice. Int J Dev Neurosci 2009; 27:539-48. [PMID: 19576279 DOI: 10.1016/j.ijdevneu.2009.06.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2009] [Revised: 06/03/2009] [Accepted: 06/23/2009] [Indexed: 12/11/2022] Open
Abstract
It has been recently shown that nicotine and ethanol interact during adolescence affecting memory/learning and anxiety levels. Considering the role of the hippocampus in both anxiety and memory/learning, we investigated whether adolescent nicotine and/or ethanol administration elicit apoptotic cell death and whether this results in neuronal and/or glial density alterations in the following regions of the hippocampus: granular layer of the dentate gyrus (GrDG), molecular layer (Mol), CA1, CA2 and CA3. From the 30th to the 45th postnatal day, C57BL/6 male and female mice were exposed to nicotine free base (NIC) and/or ethanol (ETOH). Four groups were analyzed: (1) concomitant NIC (50mug/ml in 2% saccharin to drink) and ETOH (25%, 2g/kg i.p. injected every other day) exposure; (2) NIC exposure; (3) ETOH exposure; (4) vehicle. We evaluated cell degeneration (TUNEL assay), neuronal and glial densities (optical disector) and region thicknesses at the end of the period of exposure. Our results demonstrate that ETOH elicited an increase in TUNEL-positive cells relative to the vehicle group in all hippocampal regions. NIC elicited less severe region-dependent effects: the number of TUNEL-positive cells was significantly increased in the Mol and CA1 when compared to the vehicle group. These results were paralleled by reductions in neuronal and glial cells densities, which indicate that both cell types are sensitive to the neurotoxic effects of these drugs. There were no effects on region thicknesses. On the other hand, concomitant NIC and ETOH reduced the adverse effects of the drugs when administered separately. This ability of nicotine and ethanol co-exposure to lessen the adverse effects of nicotine and ethanol may contribute to adolescents co-use and co-abuse of tobacco and alcoholic beverages.
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Affiliation(s)
- Andreia Oliveira-da-Silva
- Laboratório de Neurofisiologia, Departamento de Ciências Fisiológicas, Instituto de Biologia Roberto Alcantara Gomes, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Av. Prof. Manoel de Abreu 444, 5 andar, Vila Isabel, Rio de Janeiro, RJ 20550-170, Brazil
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Hodgson SR, Hofford RS, Wellman PJ, Eitan S. Different affective response to opioid withdrawal in adolescent and adult mice. Life Sci 2008; 84:52-60. [PMID: 19032959 DOI: 10.1016/j.lfs.2008.11.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Revised: 11/03/2008] [Accepted: 11/04/2008] [Indexed: 10/21/2022]
Abstract
AIMS Drug withdrawal is suggested to play a role in precipitating mood disorders in individuals with familial predisposition. Age-related differences in affective responses to withdrawal might explain the increased risk of mental illnesses when drug use begins during adolescence. Since there is a lack of animal research examining the effects of opioid withdrawal during adolescence, the present study examined whether there are age-related differences in affective responses to opioid withdrawal. MAIN METHODS Adolescent and adult mice were injected with two different morphine regimens, namely low and high, which differed in the dosage. Three and nine days following discontinuation of morphine administration, immobility time in the forced swim test (FST) and locomotion (total distance traveled) were evaluated. KEY FINDINGS On withdrawal day 3 (WD3), adolescent mice exhibited a decrease in immobility as compared to controls. No significant differences in immobility were observed on withdrawal day 9 (WD9). This effect on FST behaviors was not due to changes in overall motor activity, since no differences in locomotion were observed on either WD3 or WD9 in adolescent mice. In adults, no differences in either FST or locomotor behaviors were observed on WD3. As expected, on WD9, adult mice exhibited an increase in immobility and a decrease in locomotion. SIGNIFICANCE This study demonstrates age-dependent differences in both FST scores and locomotor behaviors during opioid withdrawal. FST behaviors are classically used to evaluate mood in rodents, thus this study suggests that opioid withdrawal might affect mood differentially across age.
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Affiliation(s)
- Stephen R Hodgson
- Behavioral and Cellular Neuroscience, Department of Psychology, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA
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Manhães AC, Guthierrez MC, Filgueiras CC, Abreu-Villaça Y. Anxiety-like behavior during nicotine withdrawal predict subsequent nicotine consumption in adolescent C57BL/6 mice. Behav Brain Res 2008; 193:216-24. [DOI: 10.1016/j.bbr.2008.05.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2008] [Accepted: 05/28/2008] [Indexed: 11/16/2022]
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Ribeiro-Carvalho A, Lima CS, Filgueiras CC, Manhães AC, Abreu-Villaça Y. Nicotine and ethanol interact during adolescence: Effects on the central cholinergic systems. Brain Res 2008; 1232:48-60. [DOI: 10.1016/j.brainres.2008.07.062] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2008] [Revised: 07/14/2008] [Accepted: 07/17/2008] [Indexed: 10/21/2022]
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Rezayof A, Alijanpour S, Zarrindast MR, Rassouli Y. Ethanol state-dependent memory: Involvement of dorsal hippocampal muscarinic and nicotinic receptors. Neurobiol Learn Mem 2008; 89:441-7. [DOI: 10.1016/j.nlm.2007.10.011] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2007] [Revised: 10/14/2007] [Accepted: 10/31/2007] [Indexed: 11/17/2022]
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