KEGG   PATHWAY: map05034Help
Entry
map05034                    Pathway                                

Name
Alcoholism
Description
Alcoholism, also called dependence on alcohol (ethanol), is a chronic relapsing disorder that is progressive and has serious detrimental health outcomes. As one of the primary mediators of the rewarding effects of alcohol, dopaminergic ventral tegmental area (VTA) projections to the nucleus accumbens (NAc) have been identified. Acute exposure to alcohol stimulates dopamine release into the NAc, which activates D1 receptors, stimulating PKA signaling and subsequent CREB-mediated gene expression, whereas chronic alcohol exposure leads to an adaptive downregulation of this pathway, in particular of CREB function. The decreased CREB function in the NAc may promote the intake of drugs of abuse to achieve an increase in reward and thus may be involved in the regulation of positive affective states of addiction. PKA signaling also affects NMDA receptor activity and may play an important role in neuroadaptation in response to chronic alcohol exposure.
Class
Human Diseases; Substance dependence
BRITE hierarchy
Pathway map
map05034  Alcoholism
map05034

Ortholog table
Disease
H01611  Alcohol dependence
Other DBs
GO: 0045471
Reference
  Authors
Spanagel R
  Title
Alcoholism: a systems approach from molecular physiology to addictive behavior.
  Journal
Physiol Rev 89:649-705 (2009)
DOI:10.1152/physrev.00013.2008
Reference
  Authors
Newton PM, Messing RO
  Title
Intracellular signaling pathways that regulate behavioral responses to ethanol.
  Journal
Pharmacol Ther 109:227-37 (2006)
DOI:10.1016/j.pharmthera.2005.07.004
Reference
  Authors
Mailliard WS, Diamond I
  Title
Recent advances in the neurobiology of alcoholism: the role of adenosine.
  Journal
Pharmacol Ther 101:39-46 (2004)
DOI:10.1016/j.pharmthera.2003.10.002
Reference
  Authors
Ron D, Jurd R
  Title
The "ups and downs" of signaling cascades in addiction.
  Journal
Sci STKE 2005:re14 (2005)
DOI:10.1126/stke.3092005re14
Reference
  Authors
Diana M, Brodie M, Muntoni A, Puddu MC, Pillolla G, Steffensen S, Spiga S, Little HJ
  Title
Enduring effects of chronic ethanol in the CNS: basis for alcoholism.
  Journal
Alcohol Clin Exp Res 27:354-61 (2003)
DOI:10.1097/01.ALC.0000057121.36127.19
Reference
  Authors
Moonat S, Starkman BG, Sakharkar A, Pandey SC
  Title
Neuroscience of alcoholism: molecular and cellular mechanisms.
  Journal
Cell Mol Life Sci 67:73-88 (2010)
DOI:10.1007/s00018-009-0135-y
Reference
  Authors
Pandey SC
  Title
The gene transcription factor cyclic AMP-responsive element binding protein: role in positive and negative affective states of alcohol addiction.
  Journal
Pharmacol Ther 104:47-58 (2004)
DOI:10.1016/j.pharmthera.2004.08.002
Reference
  Authors
Zhang TA, Maldve RE, Morrisett RA
  Title
Coincident signaling in mesolimbic structures underlying alcohol reinforcement.
  Journal
Biochem Pharmacol 72:919-27 (2006)
DOI:10.1016/j.bcp.2006.04.022
Reference
  Authors
Maldve RE, Zhang TA, Ferrani-Kile K, Schreiber SS, Lippmann MJ, Snyder GL, Fienberg AA, Leslie SW, Gonzales RA, Morrisett RA
  Title
DARPP-32 and regulation of the ethanol sensitivity of NMDA receptors in the nucleus accumbens.
  Journal
Nat Neurosci 5:641-8 (2002)
DOI:10.1038/nn877
Reference
  Authors
Lovinger DM
  Title
NMDA receptors lose their inhibitions.
  Journal
Nat Neurosci 5:614-6 (2002)
DOI:10.1038/nn0702-614
Reference
  Authors
Hyman SE, Malenka RC, Nestler EJ
  Title
Neural mechanisms of addiction: the role of reward-related learning and memory.
  Journal
Annu Rev Neurosci 29:565-98 (2006)
DOI:10.1146/annurev.neuro.29.051605.113009
Reference
  Authors
Berke JD, Hyman SE
  Title
Addiction, dopamine, and the molecular mechanisms of memory.
  Journal
Neuron 25:515-32 (2000)
DOI:10.1016/S0896-6273(00)81056-9
Reference
  Authors
Clapp P, Bhave SV, Hoffman PL
  Title
How Adaptation of the Brain to Alcohol Leads to Dependence: A Pharmacological Perspective.
  Journal
Alcohol Res Health 31:310-339 (2008)
Reference
  Authors
Jeanes ZM, Buske TR, Morrisett RA
  Title
In vivo chronic intermittent ethanol exposure reverses the polarity of synaptic plasticity in the nucleus accumbens shell.
  Journal
J Pharmacol Exp Ther 336:155-64 (2011)
DOI:10.1124/jpet.110.171009
Reference
  Authors
Lee AM, Messing RO
  Title
Protein kinases and addiction.
  Journal
Ann N Y Acad Sci 1141:22-57 (2008)
DOI:10.1196/annals.1441.022
Reference
  Authors
Repunte-Canonigo V, Lutjens R, van der Stap LD, Sanna PP
  Title
Increased expression of protein kinase A inhibitor alpha (PKI-alpha) and decreased PKA-regulated genes in chronic intermittent alcohol exposure.
  Journal
Brain Res 1138:48-56 (2007)
DOI:10.1016/j.brainres.2006.09.115
Reference
  Authors
Logrip ML, Janak PH, Ron D
  Title
Dynorphin is a downstream effector of striatal BDNF regulation of ethanol intake.
  Journal
FASEB J 22:2393-404 (2008)
DOI:10.1096/fj.07-099135
Reference
  Authors
Shukla SD, Velazquez J, French SW, Lu SC, Ticku MK, Zakhari S
  Title
Emerging role of epigenetics in the actions of alcohol.
  Journal
Alcohol Clin Exp Res 32:1525-34 (2008)
DOI:10.1111/j.1530-0277.2008.00729.x
Reference
  Authors
Pascual M, Boix J, Felipo V, Guerri C
  Title
Repeated alcohol administration during adolescence causes changes in the mesolimbic dopaminergic and glutamatergic systems and promotes alcohol intake in the adult rat.
  Journal
J Neurochem 108:920-31 (2009)
DOI:10.1111/j.1471-4159.2008.05835.x
Reference
  Authors
Li J, Cheng Y, Bian W, Liu X, Zhang C, Ye JH
  Title
Region-specific induction of FosB/DeltaFosB by voluntary alcohol intake: effects of naltrexone.
  Journal
Alcohol Clin Exp Res 34:1742-50 (2010)
DOI:10.1111/j.1530-0277.2010.01261.x
KO pathway
ko05034   

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