Research Topics
| F WeissSummaryAffiliation: The Scripps Research Institute Country: USA Publications
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Publications
Neurobiology of craving, conditioned reward and relapseFriedbert Weiss
The Scripps Research Institute, Department of Neuropharmacology, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Curr Opin Pharmacol 5:9-19. 2005..Recent research has substantially advanced our understanding of the neurobiological factors responsible for drug craving and relapse, with promising therapeutic implications...
Behavioral neurobiology of alcohol addiction: recent advances and challengesFriedbert Weiss
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, California 92037, USA
J Neurosci 22:3332-7. 2002..More recently, increasing attention has been directed toward the understanding of neurobiological and environmental factors in susceptibility to relapse...
Enduring resistance to extinction of cocaine-seeking behavior induced by drug-related cuesF Weiss
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
Neuropsychopharmacology 25:361-72. 2001..Finally, the results support a role of DA neurotransmission in cue-induced cocaine-seeking behavior...
Compulsive drug-seeking behavior and relapse. Neuroadaptation, stress, and conditioning factorsF Weiss
Department of Neuropharmacology, Scripps Research Institute, La Jolla, California 92037, USA
Ann N Y Acad Sci 937:1-26. 2001..This finding emphasizes that it will be important to consider the simultaneous effects of multiple environmental triggers for relapse in the development of treatment and medication strategies...
Control of cocaine-seeking behavior by drug-associated stimuli in rats: effects on recovery of extinguished operant-responding and extracellular dopamine levels in amygdala and nucleus accumbensF Weiss
Department of Neuropharmacology, Scripps Research Institute, La Jolla, CA 92037, USA
Proc Natl Acad Sci U S A 97:4321-6. 2000..The results demonstrate that cocaine-predictive stimuli elicit robust and persistent cocaine-seeking behavior, and that this effect may involve activation of dopamine transmission in the NAcc and amygdala...
Opposite effects of stress on dopamine release in the limbic system of drug-naive and chronically amphetamine-treated ratsF Weiss
The Scripps Research Institute, Department of Neuropharmacology, La Jolla, CA 92037, USA
Eur J Pharmacol 337:219-22. 1997..The results suggest that chronic amphetamine impairs the dopaminergic response to stress and that this dopaminergic deficit may play a role in stress-induced drug-seeking behavior and relapse...
Activation of group II metabotropic glutamate receptors attenuates both stress and cue-induced ethanol-seeking and modulates c-fos expression in the hippocampus and amygdalaYu Zhao
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, La Jolla, California 92037, USA
J Neurosci 26:9967-74. 2006..The results implicate group II mGluRs as a shared neuropharmacological substrate for ethanol-seeking elicited by both drug cues and stress and identify group II mGluRs as promising treatment targets for relapse prevention...
Additive effect of stress and drug cues on reinstatement of ethanol seeking: exacerbation by history of dependence and role of concurrent activation of corticotropin-releasing factor and opioid mechanismsXiu Liu
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, California 92037, USA
J Neurosci 22:7856-61. 2002..The results document that stress and drug-related environmental stimuli interact to augment the resumption of drug seeking after extinction and suggest that this effect results from concurrent activation of opioid and CRF transmission...
Extracellular serotonin is decreased in the nucleus accumbens during withdrawal from cocaine self-administrationL H Parsons
Department of Neuropharmacology, Scripps Research Institute, La Jolla, CA 92037, USA
Behav Brain Res 73:225-8. 1996..The severity of this decrease is contingent on the length of time cocaine is self-administered...
Effect of selective blockade of mu(1) or delta opioid receptors on reinstatement of alcohol-seeking behavior by drug-associated stimuli in ratsRoberto Ciccocioppo
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
Neuropsychopharmacology 27:391-9. 2002..Moreover, the data suggest that drugs aimed at the delta opioid receptor may offer advantages in the treatment and prevention of relapse compared with agents that also block the mu(1) receptor...
Changes in levels of regional CRF-like-immunoreactivity and plasma corticosterone during protracted drug withdrawal in dependent ratsE P Zorrilla
CVN7, Department of Neuropharmacology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Psychopharmacology (Berl) 158:374-81. 2001..One proposed mechanism for these alterations is dysregulation of corticotropin-releasing factor (CRF) neurocircuitry...
Behavioral and neurochemical effects of 3-OH-pip-BTCP, an active metabolite of BTCP in ratsR Martin-Fardon
The Scripps Research Institute, Department of Neuropharmacology CVN-15, 10550 North Torrey Pines Road, La Jolla CA 92037, USA
Neuroreport 12:4165-9. 2001....
Ethanol-associated olfactory stimuli reinstate ethanol-seeking behavior after extinction and modify extracellular dopamine levels in the nucleus accumbensS N Katner
The Scripps Research Institute, Department of Neuropharmacology, La Jolla, California 92037, USA
Alcohol Clin Exp Res 23:1751-60. 1999..The present study employed an operant response-reinstatement model to examine the effects of ethanol-associated environmental stimuli on alcohol-seeking behavior and extracellular dopamine (DA) levels in the nucleus accumbens (NAcc)...
Dissociation of the effects of MTEP [3-[(2-methyl-1,3-thiazol-4-yl)ethynyl]piperidine] on conditioned reinstatement and reinforcement: comparison between cocaine and a conventional reinforcerR Martin-Fardon
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, SP30 2120, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
J Pharmacol Exp Ther 329:1084-90. 2009..These observations identify mGluR5 as potential treatment targets for cocaine relapse prevention, although the profile of action of mGluR5 antagonists remains to be more closely examined for potential anhedonic effects...
Cocaine-predictive stimulus induces drug-seeking behavior and neural activation in limbic brain regions after multiple months of abstinence: reversal by D(1) antagonistsR Ciccocioppo
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
Proc Natl Acad Sci U S A 98:1976-81. 2001..Moreover, the results implicate D(1)-dependent neural mechanisms within the medial prefrontal cortex and basolateral amygdala as substrates for cocaine-seeking behavior elicited by cocaine-predictive environmental stimuli...
Chronic footshock, but not a physiological stressor, suppresses the alcohol deprivation effect in dependent ratsC V Dayas
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
Alcohol Alcohol 39:190-6. 2004..Moreover, to our knowledge, the effects of different types of stress on the alcohol deprivation effect (ADE), the temporary increase in alcohol consumption seen after periods of abstinence, has not been previously examined...
In vivo CRF release in rat amygdala is increased during cocaine withdrawal in self-administering ratsR M Richter
Department of Neuropharmacology, Scripps Research Institute, La Jolla, California 92037, USA
Synapse 32:254-61. 1999..These results provide evidence that cocaine withdrawal activates CRF neurons in the amygdala, a site that has been implicated in emotional and anxiogenic effects of stress and drug withdrawal syndromes...
Stimuli linked to ethanol availability activate hypothalamic CART and orexin neurons in a reinstatement model of relapseChristopher V Dayas
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, La Jolla, CA, USA
Biol Psychiatry 63:152-7. 2008..However, the potential role of other hypothalamic feeding peptides, such as cocaine- and amphetamine-regulated transcript (CART), in conditioned reinstatement has yet to be explored...
Remission and resurgence of anxiety-like behavior across protracted withdrawal stages in ethanol-dependent ratsYu Zhao
Molecular and Integrative Neurosciences Department, Committee on the Neurobiology of Addictive Disorders, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Alcohol Clin Exp Res 31:1505-15. 2007..The purpose of the present experiment was to characterize susceptibility to stress and anxiogenic stimuli in rats over an extended time period following ethanol withdrawal...
Long-lasting resistance to extinction of response reinstatement induced by ethanol-related stimuli: role of genetic ethanol preferenceR Ciccocioppo
Scripps Research Institute, Department of Neuropharmacology, La Jolla, California, USA
Alcohol Clin Exp Res 25:1414-9. 2001....
Neurochemical characteristics associated with ethanol preference in selected alcohol-preferring and -nonpreferring rats: a quantitative microdialysis studyS N Katner
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, California, USA
Alcohol Clin Exp Res 25:198-205. 2001....
Stimulus conditioned to foot-shock stress reinstates alcohol-seeking behavior in an animal model of relapseXiu Liu
Department of Neuropharmacology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Psychopharmacology (Berl) 168:184-91. 2003..The findings also indicate that susceptibility to ethanol seeking induced by conditioned stress and alcohol cues depends significantly on the history of prior alcohol exposure...
Reinstatement of ethanol-seeking behavior by drug cues following single versus multiple ethanol intoxication in the rat: effects of naltrexoneRoberto Ciccocioppo
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, Calif, USA
Psychopharmacology (Berl) 168:208-15. 2003..An important possibility is that withdrawal reactions also influence the motivation to obtain and consume ethanol...
CCK-8 injected into the nucleus accumbens attenuates the supersensitive locomotor response to apomorphine in 6-OHDA and chronic-neuroleptic treated ratsF Weiss
Research Institute of Scripps Clinic, Department of Molecular and Experimental Medicine, La Jolla, CA 92037
Psychopharmacology (Berl) 99:409-15. 1989..These results provide further evidence that CCK-8 modulates mesolimbic DA activity by functionally opposing the postsynaptic effects of DA in the region of the nucleus accumbens...
Coloboma hyperactive mutant mice exhibit regional and transmitter-specific deficits in neurotransmissionJ Raber
Department of Neuropharmacology, Scripps Research Institute, La Jolla, California, USA
J Neurochem 68:176-86. 1997..These results suggest that reduced SNAP-25 expression may contribute to a region-specific and neurotransmitter-specific deficiency in neurotransmitter release...
Substance dependence as a compulsive behaviorG F Koob
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
J Psychopharmacol 12:39-48. 1998..Challenges for the future involve not only elucidation of the neurobiological substrates of the different behavioral components of addiction, but better animal models of these components with which to effect such studies...
Subtype-selective corticotropin-releasing factor receptor agonists exert contrasting, but not opposite, effects on anxiety-related behavior in ratsY Zhao
Committee on the Neurobiology of Addictive Disorders, and Molecular and Integrative Neurosciences Department, The Scripps Research Institute, 10550 N Torrey Pines Rd, La Jolla, CA 92037, USA
J Pharmacol Exp Ther 323:846-54. 2007..With increasing CRF1 activation, however, the behavioral expression of anxiety qualitatively changes from "coping" to "noncoping" and offensive, agonistic behaviors...
Distinct patterns of neural activation associated with ethanol seeking: effects of naltrexoneChristopher V Dayas
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, La Jolla, California 92037, USA
Biol Psychiatry 61:979-89. 2007....
Differential effects of sigma1 receptor blockade on self-administration and conditioned reinstatement motivated by cocaine vs natural rewardRemi Martin-Fardon
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Neuropsychopharmacology 32:1967-73. 2007..The findings support a role for sigma(1) receptors in regulating conditioned responses to cocaine-related contextual stimuli and identify this receptor as a potential treatment target for the prevention of craving and relapse...
Rats with extended access to cocaine exhibit increased stress reactivity and sensitivity to the anxiolytic-like effects of the mGluR 2/3 agonist LY379268 during abstinenceHarinder Aujla
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, La Jolla, CA 92037, USA
Neuropsychopharmacology 33:1818-26. 2008....
The dorsal subiculum mediates the acquisition of conditioned reinstatement of cocaine-seekingRemi Martin-Fardon
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, La Jolla, CA 92037, USA
Neuropsychopharmacology 33:1827-34. 2008....
Operant behavior and alcohol levels in blood and brain of alcohol-dependent ratsNicholas W Gilpin
Committee on Neurobiology of Addictive Disorders, The Scripps Research Institute, 10550 N Torrey Pines Rd, La Jolla, CA 92037, USA
Alcohol Clin Exp Res 33:2113-23. 2009..The purpose of the present investigation was to more clearly define blood-alcohol parameters associated with alcohol dependence produced by alcohol vapor inhalation and alcohol-containing liquid diet...
Role of innate and drug-induced dysregulation of brain stress and arousal systems in addiction: Focus on corticotropin-releasing factor, nociceptin/orphanin FQ, and orexin/hypocretinRemi Martin-Fardon
The Scripps Research Institute, Molecular and Integrative Neurosciences Department, SP30 2120, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Brain Res 1314:145-61. 2010....
Effects of the mGlu2/3 agonist LY379268 and the mGlu5 antagonist MTEP on ethanol seeking and reinforcement are differentially altered in rats with a history of ethanol dependenceNimish Sidhpura
The Scripps Research Institute, Molecular and Integrative Neurosciences Department, La Jolla, California 92037, USA
Biol Psychiatry 67:804-11. 2010....
Neural plasticity and addiction: PI3-kinase and cocaine behavioral sensitizationEmanuela Izzo
Department of Neuropharmacology, The Scripps Research Institute, 10550 N. Torrey Pines Rd, CVN12, La Jolla, California 92103, USA
Nat Neurosci 5:1263-4. 2002..Our results show that PI3K is required for the expression, but not the induction, of behavioral sensitization to cocaine...
Priming with BTCP, a dopamine reuptake blocker, reinstates cocaine-seeking and enhances cocaine cue-induced reinstatementRemi Martin-Fardon
The Scripps Research Institute, Department of Neuropharmacology, CVN 15, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Pharmacol Biochem Behav 82:46-54. 2005..The results suggest that, in cocaine abstinent rats, BTCP produces cocaine-like effects...
Animal models of motivation for drinking in rodents with a focus on opioid receptor neuropharmacologyGeorge F Koob
Department of Neuropharmacology, Scripps Research Institute, La Jolla, California 92037, USA
Recent Dev Alcohol 16:263-81. 2003....
BTCP is a potent reinforcer in rats: comparison of behavior maintained on fixed- and progressive-ratio schedulesRemi Martin-Fardon
Department of Neuropharmacology, The Scripps Research Institute, CVN 15, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Pharmacol Biochem Behav 72:343-53. 2002..The results demonstrate that rats readily acquire responding maintained by BTCP and suggest that BTCP may have greater reinforcing effects than cocaine at equimolar concentrations...
3-OH-pip-BTCP, a metabolite of the potent DA uptake blocker BTCP, exerts cocaine-like action in ratsRemi Martin-Fardon
Departmentof Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
Neuroreport 14:2439-44. 2003..Together, these results suggest that 3-OH-pip-BTCP shares similar reinforcing effects with cocaine and therefore may serve as a substitutive drug and possible agonist therapy for cocaine addiction...
Reversal of ethanol-seeking behavior by D1 and D2 antagonists in an animal model of relapse: differences in antagonist potency in previously ethanol-dependent versus nondependent ratsXiu Liu
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, California 92037, USA
J Pharmacol Exp Ther 300:882-9. 2002..The results also indicate that chronic ethanol exposure produces changes in D1 and D2 receptor function that lead to enhanced sensitivity to the behavioral effects of antagonists for these receptors...
Preferential effects of the metabotropic glutamate 2/3 receptor agonist LY379268 on conditioned reinstatement versus primary reinforcement: comparison between cocaine and a potent conventional reinforcerMarco A S Baptista
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, California 92037, USA
J Neurosci 24:4723-7. 2004..As such, the results identify group II mGluRs as a pharmacotherapeutic target for craving and relapse prevention associated with cocaine cue exposure...
Behavioral and functional evidence of metabotropic glutamate receptor 2/3 and metabotropic glutamate receptor 5 dysregulation in cocaine-escalated rats: factor in the transition to dependenceYue Hao
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, La Jolla, California, USA
Biol Psychiatry 68:240-8. 2010..We examined here whether neuroadaptive dysregulation of metabotropic glutamate receptor function is a factor in escalating cocaine self-administration...
Nitric oxide synthesis inhibition attenuates conditioned reinstatement of ethanol-seeking, but not the primary reinforcing effects of ethanolXiu Liu
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, California, USA
Alcohol Clin Exp Res 28:1194-9. 2004..However, the results implicate NO-dependent neurotransmission in alcohol-seeking responses elicited by drug-related contextual stimuli...
Attenuation of ethanol self-administration and of conditioned reinstatement of alcohol-seeking behaviour by the antiopioid peptide nociceptin/orphanin FQ in alcohol-preferring ratsRoberto Ciccocioppo
Department of Pharmacological Sciences and Experimental Medicine, University of Camerino, Via Scalzino 3, 62032 Camerino, Italy
Psychopharmacology (Berl) 172:170-8. 2004....
Stimuli associated with a single cocaine experience elicit long-lasting cocaine-seekingRoberto Ciccocioppo
Department of Pharmacological Science and Experimental Medicine, University of Camerino, 62032 Camerino MC, Italy
Nat Neurosci 7:495-6. 2004..In contrast, conditioned stimuli that were associated with a highly palatable non-drug reinforcer elicited modest behavioral responses that extinguished within 3 months...
Dysregulation of nociceptin/orphanin FQ activity in the amygdala is linked to excessive alcohol drinking in the ratDaina Economidou
Department of Experimental Medicine and Public Health, University of Camerino, Camerino MC, Italy
Biol Psychiatry 64:211-8. 2008....
Subchronic cannabinoid agonist (WIN 55,212-2) treatment during cocaine abstinence alters subsequent cocaine seeking behaviorGustavo González-Cuevas
Laboratorio de Psicobiologia, Facultad de Psicologia, Universidad Complutense de Madrid, Campus de Somosaguas S N, E 28223, Pozuelo de Alarcon, Madrid, Spain
Neuropsychopharmacology 32:2260-6. 2007..However, further studies will be necessary to understand possible implications of these findings for a role of the cannabinoid system as a treatment target for human cocaine abuse...
Alcohol withdrawal and conditioningHilary J Little
Department of Pharmacology, George s Hospital Medical School, Cranmer Terrace, London, SW17 ORE, UK
Alcohol Clin Exp Res 29:453-64. 2005..Finally, Dr. C. Cunningham provided a summary of the concepts involved in the presentations and discussed the conditioning processes that affect behavior during and after alcohol withdrawal...
Stress enhancement of craving during sobriety: a risk for relapseGeorge R Breese
Bowles Center for Alcohol Studies, University of North Carolina School of Medicine, Chapel Hill, North Carolina 27599, USA
Alcohol Clin Exp Res 29:185-95. 2005..Collectively, the presentations provided convincing support for an involvement of stress in the cause of relapse and continuing alcohol abuse and suggested novel pharmacological approaches for treating relapse induced by stress...
The bed nucleus is a neuroanatomical substrate for the anorectic effect of corticotropin-releasing factor and for its reversal by nociceptin/orphanin FQRoberto Ciccocioppo
Department of Pharmacological Sciences and Experimental Medicine, University of Camerino, 62032 Camerino, Italy
J Neurosci 23:9445-51. 2003..These data demonstrate that the BNST is involved in the modulation of CRF-induced anorexia, which is prevented by activation of N/OFQ receptors...
Research Grants
- Neurochemical Basis of Ethanol-Seeking BehaviorFriedbert Weiss; Fiscal Year: 2007..As well, the results will provide information directly relevant for evaluating the potential of Group II mGluRs to serve as treatment drug targets for relapse prevention. ..
- NOVEL METHODS TO EXPLORE MECHANISMS OF COCAINE ABUSEFriedbert Weiss; Fiscal Year: 2004..abstract_text> ..
- NOVEL METHODS TO EXPLORE MECHANISMS OF COCAINE ABUSEFriedbert Weiss; Fiscal Year: 2009..This includes information relevant for novel therapeutic approaches aimed at enhancing the incentive salience of natural rewards to more effectively compete with and substitute for drug-derived reward. ..
- The Nociceptin ORL1 System: Treatment Target for RelapseFriedbert Weiss; Fiscal Year: 2010..This research is expected to advance understanding the biological basis of alcohol dependence, and to reveal novel treatment targets for alcohol abuse and alcoholism ..
- The Nociceptin ORL1 System: Treatment Target for RelapseFriedbert Weiss; Fiscal Year: 2007..abstract_text> ..
- NOVEL TREATMENTS FOR COCAINE DEPENDENCEFriedbert Weiss; Fiscal Year: 2007..This information will be directly relevant for the development of treatments targeting the mGluR system. ..
- Dysregulation of Brain Stress Systems and of RelapseFriedbert Weiss; Fiscal Year: 2007....
- Neural Substrates of Compulsive Ethanol-Seeking BehaviorFriedbert Weiss; Fiscal Year: 2010..understanding the biological basis of alcohol dependence, (b) reveal novel treatment targets for alcohol abuse and alcoholism, and (c) advance basic science understanding of normal and pathological goal- directed behavior, in general ..
- NOVEL METHODS TO EXPLORE MECHANISMS OF COCAINE ABUSEFriedbert Weiss; Fiscal Year: 2010..This includes information relevant for novel therapeutic approaches aimed at enhancing the incentive salience of natural rewards to more effectively compete with and substitute for drug-derived reward. ..
- Neurochemical Basis of Ethanol-Seeking BehaviorFriedbert Weiss; Fiscal Year: 2009..As well, the results will provide information directly relevant for evaluating the potential of Group II mGluRs to serve as treatment drug targets for relapse prevention. ..
- NEUROCHEMICAL BASES OF ETHANOL-SEEKING BEHAVIORFriedbert Weiss; Fiscal Year: 2004....
- NEUROCHEMICAL BASES OF ETHANOL SEEKING BEHAVIORSFriedbert Weiss; Fiscal Year: 1999..More importantly, this information will have direct implications for the development of effective pharmacotherapies for the treatment and prevention of ethanol abuse. ..
- NOVEL TREATMENTS FOR COCAINE DEPENDENCE AN ANIMAL MODELFriedbert Weiss; Fiscal Year: 1992....
- NOVEL TREATMENTS FOR COCAINE DEPENDENCEFriedbert Weiss; Fiscal Year: 2001..It is expected that the results of these studies will assist in the development of more effective pharmacotherapeutic treatment strategies for cocaine abuse, and advance the understanding of the neurobiology of relapse phenomena. ..
