L P Dwoskin

Summary

Affiliation: University of Kentucky
Country: USA

Publications

  1. ncbi request reprint Individual differences in response to novelty predict prefrontal cortex dopamine transporter function and cell surface expression
    Jun Zhu
    College of Pharmacy, University of Kentucky, 725 Rose Street, Lexington, KY 40536 0082, USA
    Eur J Neurosci 26:717-28. 2007
  2. ncbi request reprint (S)-(-)-Cotinine, the major brain metabolite of nicotine, stimulates nicotinic receptors to evoke [3H]dopamine release from rat striatal slices in a calcium-dependent manner
    L P Dwoskin
    College of Pharmacy and Graduate Center for Toxicology, University for Kentucky, Lexington 40536 0082, USA
    J Pharmacol Exp Ther 288:905-11. 1999
  3. ncbi request reprint A novel mechanism of action and potential use for lobeline as a treatment for psychostimulant abuse
    Linda P Dwoskin
    College of Pharmacy, University of Kentucky, Rose Street, Lexington, KY 40536 0082, USA
    Biochem Pharmacol 63:89-98. 2002
  4. ncbi request reprint Nornicotine, a nicotine metabolite and tobacco alkaloid: desensitization of nicotinic receptor-stimulated dopamine release from rat striatum
    L P Dwoskin
    College of Pharmacy and Graduate Center for Toxicology, University of Kentucky, Lexington 40536 0082, USA
    Eur J Pharmacol 428:69-79. 2001
  5. ncbi request reprint Competitive neuronal nicotinic receptor antagonists: a new direction for drug discovery
    L P Dwoskin
    Division of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536 0082, USA
    J Pharmacol Exp Ther 298:395-402. 2001
  6. ncbi request reprint Acute and chronic effects of nornicotine on locomotor activity in rats: altered response to nicotine
    L P Dwoskin
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Psychopharmacology (Berl) 145:442-51. 1999
  7. pmc Region-specific effects of N,N'-dodecane-1,12-diyl-bis-3-picolinium dibromide on nicotine-induced increase in extracellular dopamine in vivo
    S Rahman
    Center for Drug Abuse Research Translation, University of Kentucky, Lexington, KY, USA
    Br J Pharmacol 153:792-804. 2008
  8. ncbi request reprint Effects of nornicotine enantiomers on intravenous S(-)-nicotine self-administration and cardiovascular function in rats
    D J Stairs
    Department of Psychology, University of Kentucky, BBSRB, Room 253, Lexington, KY 40536 0509, USA
    Psychopharmacology (Berl) 190:145-55. 2007
  9. ncbi request reprint Lobeline attenuates d-methamphetamine self-administration in rats
    S B Harrod
    Department of Psychology, University of Kentucky, Lexington, Kentucky 40506, USA
    J Pharmacol Exp Ther 298:172-9. 2001
  10. ncbi request reprint Contributory role for nornicotine in nicotine neuropharmacology: nornicotine-evoked [3H]dopamine overflow from rat nucleus accumbens slices
    T A Green
    Department of Psychology, University of Kentucky, Lexington, KY 40536-0082, USA
    Biochem Pharmacol 62:1597-603. 2001

Collaborators

Detail Information

Publications99

  1. ncbi request reprint Individual differences in response to novelty predict prefrontal cortex dopamine transporter function and cell surface expression
    Jun Zhu
    College of Pharmacy, University of Kentucky, 725 Rose Street, Lexington, KY 40536 0082, USA
    Eur J Neurosci 26:717-28. 2007
    ....
  2. ncbi request reprint (S)-(-)-Cotinine, the major brain metabolite of nicotine, stimulates nicotinic receptors to evoke [3H]dopamine release from rat striatal slices in a calcium-dependent manner
    L P Dwoskin
    College of Pharmacy and Graduate Center for Toxicology, University for Kentucky, Lexington 40536 0082, USA
    J Pharmacol Exp Ther 288:905-11. 1999
    ..Thus, (S)-(-)-cotinine likely contributes to the neuropharmacological effects of nicotine and tobacco use...
  3. ncbi request reprint A novel mechanism of action and potential use for lobeline as a treatment for psychostimulant abuse
    Linda P Dwoskin
    College of Pharmacy, University of Kentucky, Rose Street, Lexington, KY 40536 0082, USA
    Biochem Pharmacol 63:89-98. 2002
    ..The development of lobeline and lobeline analogs with targeted selectivity at VMAT2 represents a novel class of therapeutic agents having good potential as efficacious treatments for methamphetamine abuse...
  4. ncbi request reprint Nornicotine, a nicotine metabolite and tobacco alkaloid: desensitization of nicotinic receptor-stimulated dopamine release from rat striatum
    L P Dwoskin
    College of Pharmacy and Graduate Center for Toxicology, University of Kentucky, Lexington 40536 0082, USA
    Eur J Pharmacol 428:69-79. 2001
    ..but with approximately 12-fold lower potency. Cross-desensitization suggests involvement of common nicotinic receptor subtypes. Therefore, S-(-)-nicotine metabolites, such as nornicotine, have neuropharmacologically relevant effects...
  5. ncbi request reprint Competitive neuronal nicotinic receptor antagonists: a new direction for drug discovery
    L P Dwoskin
    Division of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536 0082, USA
    J Pharmacol Exp Ther 298:395-402. 2001
    ..The current perspective summarizes the research that has been carried out with both classical competitive antagonists and more recently developed competitive nicotinic receptor antagonists...
  6. ncbi request reprint Acute and chronic effects of nornicotine on locomotor activity in rats: altered response to nicotine
    L P Dwoskin
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Psychopharmacology (Berl) 145:442-51. 1999
    ..Nornicotine, an active nicotine metabolite, stimulates nicotinic receptors and may produce psychomotor effects similar to nicotine...
  7. pmc Region-specific effects of N,N'-dodecane-1,12-diyl-bis-3-picolinium dibromide on nicotine-induced increase in extracellular dopamine in vivo
    S Rahman
    Center for Drug Abuse Research Translation, University of Kentucky, Lexington, KY, USA
    Br J Pharmacol 153:792-804. 2008
    ..Systemic administration of N,N'-dodecane-1,12-diyl-bis-3-picolinium dibromide (bPiDDB), an antagonist of nicotinic acetylcholine receptors (nAChRs) attenuated the nicotine-induced increase in dopamine levels in nucleus accumbens (NAcc)...
  8. ncbi request reprint Effects of nornicotine enantiomers on intravenous S(-)-nicotine self-administration and cardiovascular function in rats
    D J Stairs
    Department of Psychology, University of Kentucky, BBSRB, Room 253, Lexington, KY 40536 0509, USA
    Psychopharmacology (Berl) 190:145-55. 2007
    ..Previous neurochemical evidence indicates that R(+)-nornicotine is more potent than S(-)-nornicotine in evoking dopamine release in rat nucleus accumbens slices...
  9. ncbi request reprint Lobeline attenuates d-methamphetamine self-administration in rats
    S B Harrod
    Department of Psychology, University of Kentucky, Lexington, Kentucky 40506, USA
    J Pharmacol Exp Ther 298:172-9. 2001
    ..Thus, lobeline may be an effective, novel pharmacotherapy for d-methamphetamine abuse...
  10. ncbi request reprint Contributory role for nornicotine in nicotine neuropharmacology: nornicotine-evoked [3H]dopamine overflow from rat nucleus accumbens slices
    T A Green
    Department of Psychology, University of Kentucky, Lexington, KY 40536-0082, USA
    Biochem Pharmacol 62:1597-603. 2001
    ..Thus, the results of the current study indicate that nornicotine stimulated DA release from nucleus accumbens in a nicotinic receptor-mediated manner, further supporting the hypothesis that nornicotine contributes to tobacco dependence...
  11. ncbi request reprint Lobeline inhibits the neurochemical and behavioral effects of amphetamine
    D K Miller
    College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536-0082, USA
    J Pharmacol Exp Ther 296:1023-34. 2001
    ..Collectively, the results support a role for lobeline as a potential pharmacotherapy for psychostimulant abuse...
  12. pmc Introduction of unsaturation into the N-n-alkyl chain of the nicotinic receptor antagonists, NONI and NDNI: effect on affinity and selectivity
    Sangeetha P Sumithran
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    AAPS J 7:E201-17. 2005
    ....
  13. ncbi request reprint Once weekly administration of nicotine produces long-lasting locomotor sensitization in rats via a nicotinic receptor-mediated mechanism
    D K Miller
    College of Pharmacy, University of Kentucky, Lexington, KY 40536-0082, USA
    Psychopharmacology (Berl) 156:469-76. 2001
    ....
  14. ncbi request reprint bis-Azaaromatic quaternary ammonium analogues: ligands for alpha4beta2* and alpha7* subtypes of neuronal nicotinic receptors
    Joshua T Ayers
    Division of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 12:3067-71. 2002
    ....
  15. ncbi request reprint Environmental enrichment enhances sensitization to GBR 12935-induced activity and decreases dopamine transporter function in the medial prefrontal cortex
    Jun Zhu
    College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Behav Brain Res 148:107-17. 2004
    ..These results suggest that EC-induced changes in activity may be due to decreased DAT function and decreased DA metabolism in the mPFC...
  16. ncbi request reprint Bupropion inhibits nicotine-evoked [(3)H]overflow from rat striatal slices preloaded with [(3)H]dopamine and from rat hippocampal slices preloaded with [(3)H]norepinephrine
    Dennis K Miller
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 302:1113-22. 2002
    ..The combination of nAChR and transporter inhibition produced by bupropion may contribute to its clinical efficacy as a smoking cessation agent...
  17. ncbi request reprint Reboxetine: functional inhibition of monoamine transporters and nicotinic acetylcholine receptors
    Dennis K Miller
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 302:687-95. 2002
    ..Thus, in addition to inhibition of NET function, reboxetine inhibits nAChR function, suggesting that it may have potential as a smoking cessation agent...
  18. pmc Nicotine increases dopamine transporter function in rat striatum through a trafficking-independent mechanism
    Lisa S Middleton
    University of Kentucky, Department of Pharmaceutical Sciences, College of Pharmacy, Lexington, Kentucky 40536 0082, USA
    Eur J Pharmacol 554:128-36. 2007
    ..These results suggest that the nicotine-induced increase in dopamine uptake and clearance in striatum may occur via a trafficking-independent mechanism...
  19. pmc Lobeline analogs with enhanced affinity and selectivity for plasmalemma and vesicular monoamine transporters
    Dennis K Miller
    College of Pharmacy, University of Kentucky, Lexington, KY, 40536 0082, USA
    J Pharmacol Exp Ther 310:1035-45. 2004
    ....
  20. pmc Tetrabenazine inhibition of monoamine uptake and methamphetamine behavioral effects: locomotor activity, drug discrimination and self-administration
    A C Meyer
    Department of Psychology, University of Kentucky, Lexington, KY 40506, USA
    Neuropharmacology 61:849-56. 2011
    ....
  21. ncbi request reprint Nornicotine inhibition of dopamine transporter function in striatum via nicotinic receptor activation
    Lisa S Middleton
    Department of Pharmaceutical Sciences, University of Kentucky, Lexington, Kentucky 40536, USA
    Synapse 61:157-65. 2007
    ..Understanding the actions of nornicotine in brain may have significance for emerging therapeutics and for the management of nicotine dependence...
  22. pmc The novel nicotinic receptor antagonist, N,N'-dodecane-1,12-diyl-bis-3-picolinium dibromide (bPiDDB), inhibits nicotine-evoked [(3)H]norepinephrine overflow from rat hippocampal slices
    Andrew M Smith
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, United States
    Biochem Pharmacol 78:889-97. 2009
    ..Thus, bPiDDB was 200-fold more potent inhibiting nAChRs mediating nicotine-evoked [(3)H]DA release from striatum than those mediating nicotine-evoked [(3)H]NE release from hippocampus...
  23. pmc Lobelane inhibits methamphetamine-evoked dopamine release via inhibition of the vesicular monoamine transporter-2
    Justin R Nickell
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 332:612-21. 2010
    ..The current results reveal that lobelane, a selective VMAT2 inhibitor, inhibits methamphetamine-evoked DA release and is a promising lead for the development of a pharmacotherapeutic for methamphetamine abuse...
  24. pmc Lobelane decreases methamphetamine self-administration in rats
    Nichole M Neugebauer
    Department of Psychology, University of Kentucky, Lexington, KY 40536, USA
    Eur J Pharmacol 571:33-8. 2007
    ....
  25. ncbi request reprint Neuronal nicotinic acetylcholine receptor binding affinities of boron-containing nicotine analogues
    R Xu
    Division of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington 40536-0082, USA
    Bioorg Med Chem Lett 11:1245-8. 2001
    ....
  26. ncbi request reprint Nornicotine is self-administered intravenously by rats
    M T Bardo
    Department of Psychology, University of Kentucky, Lexington, KY 40506, USA
    Psychopharmacology (Berl) 146:290-6. 1999
    ..Nicotine is a tobacco alkaloid known to be important in the acquisition and maintenance of tobacco smoking. However, other constituents in tobacco may contribute to the dependence liability...
  27. ncbi request reprint N-n-alkylpyridinium analogs, a novel class of nicotinic receptor antagonists: selective inhibition of nicotine-evoked [3H] dopamine overflow from superfused rat striatal slices
    Vladimir P Grinevich
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 306:1011-20. 2003
    ....
  28. pmc Lobelane analogues as novel ligands for the vesicular monoamine transporter-2
    Guangrong Zheng
    College of Pharmacy, University of Kentucky, Rose Street, Lexington, KY 40536 0082, USA
    Bioorg Med Chem 13:3899-909. 2005
    ..The most potent analogues in this series were the cis-2,6-piperidino analogues, 25b, 27b, 28b, and 30b, with K(i) values ranging from 430 to 580 nM...
  29. pmc The novel nicotinic receptor antagonist N,N'-dodecane-1,12-diyl-bis-3-picolinium dibromide decreases nicotine-induced dopamine metabolism in rat nucleus accumbens
    Shafiqur Rahman
    Center for Drug Abuse Research Translation, University of Kentucky, Lexington, KY 40506, USA
    Eur J Pharmacol 601:103-5. 2008
    ..These results indicate that bPiDDB inhibits the nicotine-induced increase in DOPAC in reward-relevant brain region targeting nicotinic acetylcholine receptors...
  30. pmc Modeling multiple species of nicotine and deschloroepibatidine interacting with alpha4beta2 nicotinic acetylcholine receptor: from microscopic binding to phenomenological binding affinity
    Xiaoqin Huang
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 725 Rose Street, Lexington, KY 40536, USA
    J Am Chem Soc 127:14401-14. 2005
    ....
  31. pmc Genetics of novelty seeking, amphetamine self-administration and reinstatement using inbred rats
    A C Meyer
    Center for Drug Abuse Research Translation, Lexington, KY 40536 0509, USA
    Genes Brain Behav 9:790-8. 2010
    ..Moreover, these results implicate a genetic influence on the relation between novelty seeking and stimulant self-administration, as well as on the relation between stimulant reward and reinstatement...
  32. ncbi request reprint Accumulation of nicotine and its metabolites in rat brain after intermittent or continuous peripheral administration of [2'-(14)C]nicotine
    O A Ghosheh
    College of Pharmacy, University of Kentucky, Lexington, KY 40536-0082, USA
    Drug Metab Dispos 29:645-51. 2001
    ..Thus, nornicotine accumulation following repeated nicotine administration suggests that this metabolite plays a contributory role in the neuropharmacological effects of nicotine...
  33. ncbi request reprint Effect of a novel nicotinic receptor antagonist, N,N'-dodecane-1,12-diyl-bis-3-picolinium dibromide, on nicotine self-administration and hyperactivity in rats
    N M Neugebauer
    Department of Psychology, University of Kentucky, Lexington, KY 40506, USA
    Psychopharmacology (Berl) 184:426-34. 2006
    ..The current experiments examined the acute effect of bPiDDB on nicotine self-administration, sucrose-maintained responding, and nicotine-induced changes in acute and sensitized locomotor activity...
  34. pmc Nicotinic receptor activation increases [3H]dopamine uptake and cell surface expression of dopamine transporters in rat prefrontal cortex
    Jun Zhu
    College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    J Pharmacol Exp Ther 328:931-9. 2009
    ..Thus, results from the present study suggest that the nicotine-induced increases in DAT function and cell surface expression in PFC may mediate some of the behavioral effects of nicotine...
  35. pmc Repeated nicotine administration robustly increases bPiDDB inhibitory potency at alpha6beta2-containing nicotinic receptors mediating nicotine-evoked dopamine release
    Andrew M Smith
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Biochem Pharmacol 80:402-9. 2010
    ..Therefore, bPiDDB and r-bPiDDB appear to target different alpha6beta2-containing nAChR subtypes...
  36. pmc QSAR study on maximal inhibition (Imax) of quaternary ammonium antagonists for S-(-)-nicotine-evoked dopamine release from dopaminergic nerve terminals in rat striatum
    Fang Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, United States
    Bioorg Med Chem 17:4477-85. 2009
    ....
  37. pmc Tris-azaaromatic quaternary ammonium salts: Novel templates as antagonists at nicotinic receptors mediating nicotine-evoked dopamine release
    Guangrong Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 17:6701-6. 2007
    ..2 nM and I(max) of 67%...
  38. ncbi request reprint N-n-alkylnicotinium analogs, a novel class of nicotinic receptor antagonist: inhibition of S(-)-nicotine-evoked [(3)H]dopamine overflow from superfused rat striatal slices
    Lincoln H Wilkins
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 301:1088-96. 2002
    ..2 nM). Thus, modification of the S(-)-nicotine molecule converts this agonist into an antagonist at nAChRs, mediating S(-)-nicotine-evoked DA release in striatum...
  39. ncbi request reprint The effects of a novel nicotinic receptor antagonist N,N-dodecane-1,12-diyl-bis-3-picolinium dibromide (bPiDDB) on acute and repeated nicotine-induced increases in extracellular dopamine in rat nucleus accumbens
    Shafiqur Rahman
    Center for Drug Abuse Research Translation, University of Kentucky, Lexington, KY 40506, USA
    Neuropharmacology 52:755-63. 2007
    ....
  40. ncbi request reprint Modeling subtype-selective agonists binding with alpha4beta2 and alpha7 nicotinic acetylcholine receptors: effects of local binding and long-range electrostatic interactions
    Xiaoqin Huang
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 725 Rose Street, Lexington, KY 40536, USA
    J Med Chem 49:7661-74. 2006
    ..The fundamental insights obtained in the present study should be valuable for future rational design of potential therapeutic agents targeted to specific nAChR subtypes...
  41. ncbi request reprint Effect of bupropion on nicotine self-administration in rats
    Anthony S Rauhut
    Department of Psychology, University of Kentucky, Lexington, KY 40536, USA
    Psychopharmacology (Berl) 169:1-9. 2003
    ..To determine the specificity of bupropion-induced changes in nicotine self-administration, the ability of bupropion to alter sucrose-maintained responding or amphetamine self-administration was determined...
  42. pmc Lobeline esters as novel ligands for neuronal nicotinic acetylcholine receptors and neurotransmitter transporters
    Marhaba Hojahmat
    College of Pharmacy, University of Kentucky, Rose Street, Lexington, KY 40536 0082, USA
    Bioorg Med Chem 18:640-9. 2010
    ..5-fold selectivity for VMAT2 over alpha4beta2 nAChRs. Thus, esterification of the lobeline molecule may be a useful structural modification for the development of lobeline analogs with improved selectivity at VMAT2...
  43. pmc Bis-azaaromatic quaternary ammonium salts as antagonists at nicotinic receptors mediating nicotine-evoked dopamine release: An investigation of binding conformation
    Guangrong Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 17:6734-8. 2007
    ....
  44. pmc Diet-induced obesity: dopamine transporter function, impulsivity and motivation
    V Narayanaswami
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Int J Obes (Lond) 37:1095-103. 2013
    ..A rat model of diet-induced obesity (DIO) was used to determine dopamine transporter (DAT) function, impulsivity and motivation as neurobehavioral outcomes and predictors of obesity...
  45. pmc Pharmacology, distribution and development of muscarinic acetylcholine receptor subtypes in the optic tectum of Rana pipiens
    C M Butt
    School of Biological Sciences, University of Kentucky, 101 T. H. Morgan Building, Lexington, KY 40506-0225, USA
    Neuroscience 104:161-79. 2001
    ..Furthermore, the expression of inhibitory muscarinic subtypes seems to be regulated by different mechanisms than that for excitatory subtypes...
  46. ncbi request reprint Locomotor stimulant effects of nornicotine: role of dopamine
    T A Green
    Department of Psychology, University of Kentucky, Lexington, KY 40506 0044, USA
    Pharmacol Biochem Behav 74:87-94. 2002
    ....
  47. ncbi request reprint Total cotinine in plasma: a stable biomarker for exposure to tobacco smoke
    Jose de Leon
    University of Kentucky Mental Health Research Center at Eastern State Hospital, Lexington, 40508, USA
    J Clin Psychopharmacol 22:496-501. 2002
    ..New studies of total cotinine in plasma using more than two blood collections during the day are needed to definitively establish that it is a stable biomarker for epidemiological studies...
  48. ncbi request reprint Subtype-selective nicotinic receptor antagonists: potential as tobacco use cessation agents
    Linda P Dwoskin
    Division of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 14:1863-7. 2004
    ..bPiDDB represents the current lead compound for development as a tobacco use cessation agent...
  49. ncbi request reprint Lobeline does not serve as a reinforcer in rats
    Steven B Harrod
    Department of Psychology, University of Kentucky, 115 Kastle Hall, Lexington, KY 40506 0044, USA
    Psychopharmacology (Berl) 165:397-404. 2003
    ..Previous results demonstrated that pretreatment with lobeline attenuates d-methamphetamine self-administration in rats...
  50. pmc bis-Pyridinium cyclophanes: novel ligands with high affinity for the blood-brain barrier choline transporter
    Zhenfa Zhang
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Bioorg Med Chem Lett 18:5622-5. 2008
    ..8 microM and 1.4 microM, respectively, and constitute some of the most potent BBB choline transporter ligands reported...
  51. pmc N,N'-Alkane-diyl-bis-3-picoliniums as nicotinic receptor antagonists: inhibition of nicotine-evoked dopamine release and hyperactivity
    Linda P Dwoskin
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 326:563-76. 2008
    ..Further development of nAChR antagonists that inhibit nicotine-evoked DA release and penetrate brain to antagonize DA-mediated locomotor stimulant effects of nicotine as novel treatments for nicotine addiction is warranted...
  52. ncbi request reprint Nicotinic receptor modulation of dopamine transporter function in rat striatum and medial prefrontal cortex
    Lisa S Middleton
    College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, USA
    J Pharmacol Exp Ther 308:367-77. 2004
    ..Thus, nicotine enhances DA clearance in striatum and mPFC in a mecamylamine-sensitive manner, indicating that nAChRs modulate DAT function in these brain regions...
  53. ncbi request reprint Lobeline attenuates locomotor stimulation induced by repeated nicotine administration in rats
    Dennis K Miller
    College of Pharmacy, University of Kentucky, Rose Street, Lexington, KY 40536 0082, USA
    Pharmacol Biochem Behav 74:279-86. 2003
    ....
  54. pmc meso-Transdiene analogs inhibit vesicular monoamine transporter-2 function and methamphetamine-evoked dopamine release
    David B Horton
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 336:940-51. 2011
    ....
  55. ncbi request reprint A pilot study of plasma caffeine concentrations in a US sample of smoker and nonsmoker volunteers
    Jose de Leon
    University of Kentucky UK Mental Health Research Center at Eastern State Hospital, 627 West Fourth Street, Lexington, KY 40508, USA
    Prog Neuropsychopharmacol Biol Psychiatry 27:165-71. 2003
    ..Additional studies are needed to replicate the model. This model may help epidemiologists to correct for the effects of smoking on caffeine intake and pharmacologists to screen for the activity of CYP1A2...
  56. pmc Discovery of a novel nicotinic receptor antagonist for the treatment of nicotine addiction: 1-(3-Picolinium)-12-triethylammonium-dodecane dibromide (TMPD)
    Linda P Dwoskin
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Biochem Pharmacol 74:1271-82. 2007
    ....
  57. ncbi request reprint N-n-alkylnicotinium analogs, a novel class of nicotinic receptor antagonists: interaction with alpha4beta2* and alpha7* neuronal nicotinic receptors
    Lincoln H Wilkins
    College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536 0082, USA
    J Pharmacol Exp Ther 304:400-10. 2003
    ....
  58. ncbi request reprint Mitochondrial toxin inhibition of [(3)H]dopamine uptake into rat striatal synaptosomes
    William F Maragos
    Department of Neurology, Kentucky Clinic, Room L 445, University of Kentucky Medical Center, Lexington, KY 40536, USA
    Biochem Pharmacol 63:1499-505. 2002
    ..e. noncompetitive inhibition of the DAT...
  59. ncbi request reprint Development of subtype-selective ligands as antagonists at nicotinic receptors mediating nicotine-evoked dopamine release
    Peter A Crooks
    Division of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 14:1869-74. 2004
    ..Conformationally restricted analogues exhibit both high affinity and selectivity at this site, and are able to access the brain due to their ability to act as substrates for the blood-brain barrier choline transporter...
  60. ncbi request reprint Nicotinic receptor-based therapeutics and candidates for smoking cessation
    Linda P Dwoskin
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Biochem Pharmacol 78:732-43. 2009
    ..This review summarizes the currently available smoking cessation therapies and discusses emerging potential therapeutic approaches employing pharmacological agents which act as antagonists at nicotinic receptors...
  61. pmc Phenyl ring-substituted lobelane analogs: inhibition of [³H]dopamine uptake at the vesicular monoamine transporter-2
    Justin R Nickell
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    J Pharmacol Exp Ther 336:724-33. 2011
    ..Thus, modification of the lobelane molecule affords potent, selective inhibitors of VMAT2 function and reveals two distinct pharmacological targets on VMAT2...
  62. ncbi request reprint Environmental enrichment decreases cell surface expression of the dopamine transporter in rat medial prefrontal cortex
    Jun Zhu
    College of Pharmacy, Univeristy of Kentucky, Lexington, Kentucky 40536 0082, USA
    J Neurochem 93:1434-43. 2005
    ....
  63. pmc Novel bis-2,2,6,6-tetramethylpiperidine (bis-TMP) and bis-mecamylamine antagonists at neuronal nicotinic receptors mediating nicotine-evoked dopamine release
    Zhenfa Zhang
    College of Pharmacy, Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 20:1420-3. 2010
    ....
  64. ncbi request reprint Review of the pharmacology and clinical profile of bupropion, an antidepressant and tobacco use cessation agent
    Linda P Dwoskin
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    CNS Drug Rev 12:178-207. 2006
    ..Extensive hepatic metabolism of bupropion produces three pharmacologically active metabolites, which may contribute to its clinical profile...
  65. ncbi request reprint QSAR modeling of mono- and bis-quaternary ammonium salts that act as antagonists at neuronal nicotinic acetylcholine receptors mediating dopamine release
    Fang Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem 14:3017-37. 2006
    ..1 microM at nAChR subtypes responsible for mediating nicotine-evoked dopamine release, demonstrating that the ANN QSAR model is a valuable aid to drug discovery...
  66. pmc Quinlobelane: a water-soluble lobelane analogue and inhibitor of VMAT2
    Ashish P Vartak
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Bioorg Med Chem Lett 20:3584-7. 2010
    ..The quinolyl group was the only replacement for the phenyl group in lobelane that retained VMAT2 inhibition...
  67. ncbi request reprint Reboxetine: attenuation of intravenous nicotine self-administration in rats
    Anthony S Rauhut
    Department of Psychology, University of Kentucky, Lexington, KY 40536 0082, USA
    J Pharmacol Exp Ther 303:664-72. 2002
    ..The reboxetine-induced decrease in nicotine self-administration and sucrose-maintained responding may be the result of inhibition of norepinephrine transporters and/or neuronal nicotinic receptor function...
  68. ncbi request reprint Age and sex differences in the locomotor effect of repeated methylphenidate in rats classified as high or low novelty responders
    T E Wooters
    Department of Psychology, BBSRB, University of Kentucky, Lexington, KY 40536 0509, USA
    Psychopharmacology (Berl) 188:18-27. 2006
    ..Rats displaying high levels of activity in an inescapable novel environment (high responders; HR) are more sensitive to the locomotor effect of stimulant drugs than rats displaying low levels of activity (low responders; LR)...
  69. pmc Synthesis and evaluation of a series of homologues of lobelane at the vesicular monoamine transporter-2
    Guangrong Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Rose Street, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 18:6509-12. 2008
    ..These results indicate that the intramolecular distances between the piperidine ring and two phenyl rings in lobelane analogues are an important criterion for retention of high affinity at VMAT2...
  70. pmc Tetrakis-azaaromatic quaternary ammonium salts: novel subtype-selective antagonists at neuronal nicotinic receptors that mediate nicotine-evoked dopamine release
    Zhenfa Zhang
    Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 18:5753-7. 2008
    ..Three tetrakis analogs, 11j, 11f, and 11g, were identified as potent (IC(50)=3, 28 and 56nM, respectively) antagonists at these receptors. These compounds represent a novel structural class of nicotinic receptor antagonists...
  71. pmc Computational neural network analysis of the affinity of N-n-alkylnicotinium salts for the alpha4beta2* nicotinic acetylcholine receptor
    Fang Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, USA
    J Enzyme Inhib Med Chem 24:157-68. 2009
    ..The generated neural network model with the 85 molecule training set may also be of value for future predictions of K(i) values for new virtual compounds, which can then be identified, subsequently synthesized, and tested experimentally...
  72. pmc The promiscuity of the dopamine transporter: implications for the kinetic analysis of [3H]serotonin uptake in rat hippocampal and striatal synaptosomes
    Seth D Norrholm
    College of Pharmacy, Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY 40536 0082, USA
    Neuropharmacology 53:982-9. 2007
    ..These findings have important implications regarding the analysis of monoaminergic reuptake in brain regions exhibiting heterogeneous transporter expression...
  73. pmc Synthesis and evaluation of a series of tropane analogues as novel vesicular monoamine transporter-2 ligands
    Guangrong Zheng
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 15:4463-6. 2005
    ..The trop-2-ene analogues 4a and 4b exhibited good affinity and high selectivity for VMAT2...
  74. ncbi request reprint Identification and synthesis of novel alkaloids from the root system of Nicotiana tabacum: affinity for neuronal nicotinic acetylcholine receptors
    Xiaochen Wei
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Life Sci 78:495-505. 2005
    ..The results also demonstrate that these compounds act as antagonists at nAChRs mediating nicotine-evoked dopamine release from rat striatum...
  75. pmc Pyrrolidine analogues of lobelane: relationship of affinity for the dihydrotetrabenazine binding site with function of the vesicular monoamine transporter 2 (VMAT2)
    Ashish P Vartak
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 725 Rose Street, Lexington, Kentucky 40536, USA
    J Med Chem 52:7878-82. 2009
    ..e., the DTBZ binding site and an alternative site on VMAT2 to inhibit transporter function...
  76. pmc N-n-alkylnicotinium analogs, a novel class of antagonists at alpha 4 beta 2* nicotinic acetylcholine receptors: inhibition of S(-)-nicotine-evoked 86Rb+ efflux from rat thalamic synaptosomes
    Lincoln H Wilkins
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    AAPS J 7:E922-30. 2005
    ..Thus, NDNI is a competitive, selective antagonist at alpha4beta2* nAChRs...
  77. pmc Des-keto lobeline analogs with increased potency and selectivity at dopamine and serotonin transporters
    Guangrong Zheng
    College of Pharmacy, University of Kentucky, Lexington, 40536 0082, USA
    Bioorg Med Chem Lett 16:5018-21. 2006
    ..The enantiomers 8R-hydroxylobel-9-ene (3a) and 10S-hydroxylobel-7-ene (3c) exhibited high potency and selectivity at SERT and DAT, respectively...
  78. pmc Computational neural network analysis of the affinity of lobeline and tetrabenazine analogs for the vesicular monoamine transporter-2
    Fang Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
    Bioorg Med Chem 15:2975-92. 2007
    ..The developed models are expected to be useful in the rational design of new chemical entities as ligands of VMAT2 and for directing synthesis of new molecules in the future...
  79. pmc Lobeline attenuates neonatal ethanol-mediated changes in hyperactivity and dopamine transporter function in the prefrontal cortex in rats
    A M Smith
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Neuroscience 206:245-54. 2012
    ..Collectively, these findings provide support that lobeline may be a useful pharmacotherapy for some of the deficits associated with neonatal ethanol exposure...
  80. ncbi request reprint Lobeline produces conditioned taste avoidance in rats
    S B Harrod
    Department of Psychology, University of Kentucky, 115 Kastle Hall, Lexington, KY 40506 0044, USA
    Pharmacol Biochem Behav 78:1-5. 2004
    ..e., 3.0 mg/kg) also produced reliable CTA for milk and salt solution. These findings suggest a need to develop lobeline analogs that reduce METH self-administration, but do not produce CTA following the consumption of a novel solution...
  81. pmc Defunctionalized lobeline analogues: structure-activity of novel ligands for the vesicular monoamine transporter
    Guangrong Zheng
    College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536 0082, USA
    J Med Chem 48:5551-60. 2005
    ....
  82. pmc Pharmacokinetics of the novel nicotinic receptor antagonist N,N'-dodecane-1,12-diyl-bis-3-picolinium dibromide in the rat
    Zaineb A Fadhel Albayati
    Department of Pharmaceutical Sciences, College of Pharmacy, Lexington, KY 40536 0082, USA
    Drug Metab Dispos 36:2024-9. 2008
    ....
  83. pmc Bis-azaaromatic quaternary ammonium salts as ligands for the blood-brain barrier choline transporter
    Guangrong Zheng
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    Bioorg Med Chem Lett 20:3208-10. 2010
    ..The preliminary structure-activity relationships obtained from this study suggest that incorporating a linear, conformationally restricted linker into the molecule improves affinity for the BBB-ChT...
  84. ncbi request reprint Renin-angiotensin system and sympathetic nervous system in cardiac pressure-overload hypertrophy
    W S Akers
    Division of Pharmacy Practice and Science, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, USA
    Am J Physiol Heart Circ Physiol 279:H2797-806. 2000
    ..Thus activation of the renin-angiotensin system is an early response to pressure overload and may contribute to the initial development of cardiac hypertrophy and sympathetic activation in the compensated heart...
  85. pmc Molecular modeling of mono- and bis-quaternary ammonium salts as ligands at the alpha4beta2 nicotinic acetylcholine receptor subtype using nonlinear techniques
    Joshua T Ayers
    College of Pharmacy, University of Kentucky, Lexington, KY 40536 0082, USA
    AAPS J 7:E678-85. 2005
    ..These QSAR approaches may be a useful to screen and select in silico new drug candidates from larger compound libraries to be further evaluated in in vitro biological assays...
  86. pmc N,N-disubstituted piperazines: synthesis and affinities at alpha4beta2(*) and alpha7(*) neuronal nicotinic acetylcholine receptors
    Jianhong Chen
    Shanghai Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 294 Tai Yuan Road, China
    Bioorg Med Chem Lett 13:97-100. 2003
    ..Thus, linking together a pyridine pi-system and a cyclic amine moiety via a piperazine ring affords compounds with low affinity, but good selectivity for alpha4beta2(*) nicotinic receptors...
  87. ncbi request reprint Plasma cotinine, 3'-hydroxycotinine, and their glucuronides in white and black smokers
    Jose de Leon
    J Clin Psychopharmacol 23:209-11. 2003
  88. ncbi request reprint Active transport of high-affinity choline and nicotine analogs into the central nervous system by the blood-brain barrier choline transporter
    David D Allen
    Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University HSC, Amarillo, Texas 79106, USA
    J Pharmacol Exp Ther 304:1268-74. 2003
    ..Thus, NONI may have utility as a smoking cessation agent, given its ability to inhibit nAChRs mediating nicotine-evoked dopamine release centrally, and to be distributed to brain via the BBB choline transporter...
  89. ncbi request reprint 3D-QSAR study of bis-azaaromatic quaternary ammonium analogs at the blood-brain barrier choline transporter
    Werner J Geldenhuys
    Department of Pharmaceutical Sciences, Texas Tech University Health Sciences Center, School of Pharmacy, 1300 S Coulter Dr, Amarillo, TX, 79106 1712, USA
    Bioorg Med Chem 13:4253-61. 2005
    ..506 and the non-cross-validated r2 was 0.804. This new model was able to better predict BBB-choline transporter affinity of hemicholinium-3 (predicted 65 microM, actual 54 microM), when compared to an earlier model (predicted 316 microM)...
  90. pmc The characterization of a novel rigid nicotine analog with alpha7-selective nAChR agonist activity and modulation of agonist properties by boron inclusion
    Roger L Papke
    University of Florida, College of Medicine, 1600 SW Archer Road, Gainesville, FL 32610, USA
    Bioorg Med Chem Lett 15:3874-80. 2005
    ....
  91. ncbi request reprint The pharmacological activity of nicotine and nornicotine on nAChRs subtypes: relevance to nicotine dependence and drug discovery
    Roger L Papke
    Pharmacology and Therapeutics, University of Florida, College of Medicine, Gainesville, Florida 32610, USA
    J Neurochem 101:160-7. 2007
    ..Thus, understanding the actions of nornicotine in the brain may have significance for both emerging therapeutics and the management of nicotine dependence...
  92. ncbi request reprint Effects of environmental enrichment on behavior and dopamine transporter function in medial prefrontal cortex in adult rats prenatally treated with cocaine
    Nichole M Neugebauer
    Department of Psychology, University of Massachusetts, Boston, MA 02125, USA
    Brain Res Dev Brain Res 153:213-23. 2004
    ....
  93. ncbi request reprint Carrier-mediated transport of the quaternary ammonium neuronal nicotinic receptor antagonist n,n'-dodecylbispicolinium dibromide at the blood-brain barrier
    Paul R Lockman
    Department of Pharmaceutical Sciences, Texas Tech University Health Sciences Center, 1300 S Coulter Dr, Amarillo, TX 79106 1712, USA
    J Pharmacol Exp Ther 324:244-50. 2008
    ..The current results suggest that bPiDDB uses the BBB choline transporter for approximately 90% of its permeation into brain, and they demonstrate the carrier-mediated BBB penetration of a novel bisquaternary ammonium nAChR antagonist...
  94. ncbi request reprint Tolerance does not develop to the decrease in nicotine self-administration produced by repeated bupropion administration
    Anthony S Rauhut
    Department of Psychology, Dickinson College, Carlisle, PA 17013, USA
    Nicotine Tob Res 7:901-7. 2005
    ..These results indicate that the rat nicotine self-administration paradigm is a useful animal model for assessing smoking cessation pharmacotherapies...
  95. pmc Extending the analysis of nicotinic receptor antagonists with the study of alpha6 nicotinic receptor subunit chimeras
    Roger L Papke
    Department of Pharmacology and Therapeutics, University of Florida, College of Medicine, P O Box 100267, JHMHSC, 1600 SW Archer Road, Gainesville, FL 32610 0267, USA
    Neuropharmacology 54:1189-200. 2008
    ..Our data extend the information available on prototypical nAChR antagonists, and establish the alpha4/6 chimera as a useful new tool for screening drugs as selective nAChR antagonists...
  96. pmc A general procedure for the enantioselective synthesis of the minor tobacco alkaloids nornicotine, anabasine, and anatabine
    Joshua T Ayers
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, USA
    AAPS J 7:E752-8. 2005
    ..Using this approach, the R-(+)- and S-(-)-enantiomers of the above minor tobacco alkaloids were obtained in good overall chemical yield and excellent enantomeric excess...
  97. pmc Vesicular monoamine transporter 2: role as a novel target for drug development
    Guangrong Zheng
    College of Pharmacy, University of Kentucky, Department of Pharmaceutical Sciences, Lexington, KY 40536 0082, USA
    AAPS J 8:E682-92. 2006
    ..The molecular structure of VMAT2 and its relevance to ligand binding are briefly discussed...
  98. pmc Indirect trapping of the retroconjugate addition reaction intermediate involved in the epimerization of lobeline: application to the synthesis of (-)-sedamine
    Guangrong Zheng
    College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536 0082, USA
    J Org Chem 69:8514-7. 2004
    ..This strategy was applied to the conversion of (-)-lobeline to (-)-sedamine in high overall yield...
  99. ncbi request reprint N, N -disubstituted piperazines and homopiperazines: synthesis and affinities at alpha4beta2* and alpha7* neuronal nicotinic acetylcholine receptors
    Jianhong Chen
    Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 725 Rose Street, Lexington, KY 40536 0082, USA
    J Enzyme Inhib Med Chem 21:667-80. 2006
    ..0 microM), and 8-24 (K(i) = 12.8 microM). Thus, linking together a pyridine pi-system and a cyclic amine moiety via a homopiperazine ring affords compounds with low affinity but with good selectivity for alpha4beta2* nAChRs...