Gene: TPH2

121278
ADHD7|NTPH
tryptophan hydroxylase 2
protein-coding
12q21.1
Ensembl:ENSG00000139287 MIM:607478 Vega:OTTHUMG00000169677 UniprotKB:Q8IWU9
NG_008279.1
PubMed
CD|ND|AD
19   
NA (AD)  NA (ND)   (Frontal_Cortex)
8.866e-1 (AD)  3.227e-1 (ND)

DNA Methylation

There is no related methylation information for this gene.

Gene Expression in Different Tissues

Temporal and Spatial Expressions (BrainSpan)

Footnote:
SC: sub-cortical regions; SM: sensory-motor regions; FC: frontal cortex; and TP: temporal-parietal cortex
ST1: fetal (13 - 26 postconception weeks), ST2: early infancy to late childhood (4 months to 11 years), and ST3: adolescence to adulthood (13 - 23 years)
The bar shown representes average value of the expressions.

Top Co-expressed Genes in Brain-Frontal Cortex (BA9) (GTEx v7)

Top 10 positively co-expressed genes

Gene Symbol Pearson Correlation Coefficient
KCNH10.78
PPM1E0.778
TRPC50.773
PCDHAC20.772
ARHGAP200.77
SCN8A0.769
KCNH50.766
DCC0.765
CDH70.762
SLC4A80.761

Top 10 negatively co-expressed genes

Gene Symbol Pearson Correlation Coefficient
ACOX2-0.502
STON2-0.502
S100A1-0.495
NFIA-0.493
EYA2-0.482
AKR1C3-0.481
BBOX1-0.469
CARHSP1-0.466
NHSL1-0.463
CYP2J2-0.463

Drugs/Compounds

ID Drug Name Drug Type CAS Num Status Role
DB12095Telotristat ethylSmall Molecule1033805-22-9Approved|InvestigationalTarget
DB00150L-TryptophanSmall Molecule73-22-3Approved|Nutraceutical|WithdrawnEnzyme
ID Drug Name Action PubMed
D016604Aflatoxin B1Aflatoxin B1 results in decreased methylation of TPH2 gene27153756
D000643Ammonium ChlorideAmmonium Chloride affects the expression of TPH2 mRNA16483693
D000929Antidepressive Agents, Tricyclic"Antidepressive Agents, Tricyclic results in increased expression of TPH2 mRNA"20374287
D001280AtrazineAtrazine results in decreased expression of TPH2 mRNA25929836
D004958Estradiol[Estradiol co-treated with Fluoxetine] results in increased expression of TPH2 mRNA21382399
D004958EstradiolEstradiol results in increased expression of TPH2 mRNA21382399
C543008bis(4-hydroxyphenyl)sulfonebis(4-hydroxyphenyl)sulfone results in increased expression of TPH2 mRNA26186136
C006780bisphenol Abisphenol A results in increased expression of TPH2 mRNA23567477
C006780bisphenol Abisphenol A results in decreased expression of TPH2 mRNA25181051|2614162
C006780bisphenol Abisphenol A results in increased expression of TPH2 mRNA24066056
C006780bisphenol Abisphenol A results in increased expression of TPH2 protein24066056
D0151248-Bromo Cyclic Adenosine Monophosphate8-Bromo Cyclic Adenosine Monophosphate results in increased expression of TPH2 mRNA22079614
D002110CaffeineCaffeine results in increased expression of TPH2 mRNA22449533
D002110Caffeine"[Caffeine co-treated with 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine] results in increased expression of TPH2 mRNA"20230807
D002110Caffeine"Caffeine inhibits the reaction [1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine results in increased expression of TPH2 mRNA]"20230807
D004026DieldrinDieldrin results in decreased expression of TPH2 mRNA23041725
D000431EthanolEthanol promotes the reaction [mephedrone results in decreased expression of TPH2 protein]26747301
D000431EthanolEthanol results in decreased expression of TPH2 protein26747301
D005473FluoxetineTPH2 protein affects the susceptibility to Fluoxetine16982082
D005473FluoxetineFluoxetine affects the expression of TPH2 mRNA17321503
D005473FluoxetineFluoxetine results in increased expression of TPH2 mRNA20374287
D005473Fluoxetine[Estradiol co-treated with Fluoxetine] results in increased expression of TPH2 mRNA21382399
D005473FluoxetineFluoxetine affects the expression of TPH2 mRNA17950541
D005473FluoxetineFluoxetine results in decreased expression of TPH2 mRNA16982082|2174092
D005473FluoxetineFluoxetine results in increased expression of TPH2 mRNA11901216
D005473FluoxetineTPH2 results in increased susceptibility to Fluoxetine17950541
D005492Folic AcidFolic Acid results in increased expression of TPH2 mRNA25006883
D012701SerotoninTPH2 protein affects the abundance of Serotonin20722968
D018021Lithium ChlorideLithium Chloride results in decreased expression of TPH2 mRNA19840776
D018021Lithium ChlorideLithium Chloride results in decreased expression of TPH2 protein19840776
D008550MelatoninTPH2 protein affects the chemical synthesis of Melatonin15281067
C548233mephedroneEthanol promotes the reaction [mephedrone results in decreased expression of TPH2 protein]26747301
C548233mephedronemephedrone results in decreased expression of TPH2 protein26747301
C548233mephedronemephedrone results in decreased expression of TPH2 protein25817894
D008694MethamphetamineTPH2 protein affects the susceptibility to Methamphetamine20722968
D008741Methyl MethanesulfonateMethyl Methanesulfonate results in increased expression of TPH2 mRNA26011545
D0156321-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine"1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine results in increased expression of TPH2 mRNA"20230807
D0156321-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine"[Caffeine co-treated with 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine] results in increased expression of TPH2 mRNA"20230807
D0156321-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine"Caffeine inhibits the reaction [1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine results in increased expression of TPH2 mRNA]"20230807
D0156321-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine"[Nicotine co-treated with 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine] results in increased expression of TPH2 mRNA"20230807
D0156321-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine"Nicotine inhibits the reaction [1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine results in increased expression of TPH2 mRNA]"20230807
C063509N-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamideN-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamide inhibits the reaction [Sertraline results in increased expression of TPH2 mRNA]11901216
D009538Nicotine"[Nicotine co-treated with 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine] results in increased expression of TPH2 mRNA"20230807
D009538Nicotine"Nicotine inhibits the reaction [1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine results in increased expression of TPH2 mRNA]"20230807
C025589ochratoxin Aochratoxin A results in increased expression of TPH2 mRNA27346841
C086401pentabromodiphenyl etherpentabromodiphenyl ether results in decreased expression of TPH2 mRNA27001416
D011441PropylthiouracilPropylthiouracil results in decreased expression of TPH2 mRNA24780913
D020280SertralineN-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamide inhibits the reaction [Sertraline results in increased expression of TPH2 mRNA]11901216
D020280SertralineSertraline results in increased activity of TPH2 protein11901216
D020280SertralineSertraline results in increased expression of TPH2 mRNA11901216
D020280SertralineSertraline results in increased expression of TPH2 protein11901216
D001335Vehicle EmissionsVehicle Emissions results in decreased methylation of TPH2 gene25560391

GO/Pathway

GO ID GO Term Qualifier Evidence PubMed
GO:0004510tryptophan 5-monooxygenase activity-IEA-  
GO:0005506iron ion binding-IEA-  
GO ID GO Term Qualifier Evidence PubMed
GO:0007623circadian rhythm-IEA-  
GO:0009072aromatic amino acid family metabolic process-IEA-  
GO:0014823response to activity-IEA-  
GO:0031667response to nutrient levels-IEA-  
GO:0042427serotonin biosynthetic process-IEA-  
GO:0043627response to estrogen-IEA-  
GO:0051384response to glucocorticoid-IEA-  
GO:0051592response to calcium ion-IEA-  
GO:0055114oxidation-reduction process-IEA-  
GO:0071285cellular response to lithium ion-IEA-  
GO ID GO Term Qualifier Evidence PubMed
GO:0005829cytosol-TAS-  
GO:0043005neuron projection-IEA-  
KEGG ID KEGG Term
hsa00380Tryptophan metabolism
hsa01100Metabolic pathways
Reactome ID Reactome Term Evidence
R-HSA-1430728MetabolismTAS
R-HSA-209776Amine-derived hormonesTAS
R-HSA-209931Serotonin and melatonin biosynthesisTAS
R-HSA-71291Metabolism of amino acids and derivativesTAS

Interactions (STRING v10.5, Interaction Score >= 0.400)

Publications (Co-occurrence of gene symbol strings and ANCO-Dependence terms)

PMID Title (Year) Author Journal
16759340Analysis of variations in the tryptophan hydroxylase-2 (TPH2) gene in cocaine dependence. (2006 Mar)Dahl JPAddict Biol
19734157Clinical and genetic risk factors for suicide under the influence of alcohol in a Polish sample. (2009 Sep-Oct)Fudalej SAlcohol Alcohol
22925276Modifying the role of serotonergic 5-HTTLPR and TPH2 variants on disulfiram treatment of cocaine addiction: a preliminary study. (2012 Nov)Nielsen DAGenes Brain Behav
18826444Serotonergic genes and amygdala activity in response to negative affective facial stimuli in Korean women. (2008 Nov)Lee BTGenes Brain Behav
18405071Alcohol dependence and polymorphisms of serotonin-related genes: association studies. (2008 Jan)Mokrovic GColl Antropol
23995203Tryptophan hydroxylase 2 (TPH 2) single nucleotide polymorphisms, suicide, and alcohol-related suicide. (2013 Sep)Zupanc TPsychiatr Danub
19742166Epistasis between IL1A, IL1B, TNF, HTR2A, 5-HTTLPR and TPH2 variations does not impact alcohol dependence disorder features. (2009 Jul)Drago AInt J Environ Res Public Health
19170664Association between Val66Met brain-derived neurotrophic factor (BDNF) gene polymorphism and post-treatment relapse in alcohol dependence. (2009 Apr)Wojnar MAlcohol Clin Exp Res
26232682Genetic variability in tryptophan hydroxylase 2 gene in alcohol dependence and alcohol-related psychopathological symptoms. (2015 Sep 14)Plemenitas ANeurosci Lett
21797889The relationship between rs3779084 in the dopa decarboxylase (DDC) gene and alcohol consumption is mediated by drinking motives in regular smokers. (2012 Jan)Kristjansson SDAlcohol Clin Exp Res
24067926Congenital brain serotonin deficiency leads to reduced ethanol sensitivity and increased ethanol consumption in mice. (2014 Feb)Sachs BDNeuropharmacology
21182896TPH2 polymorphisms and alcohol-related suicide. (2011 Feb 18)Zupanc TNeurosci Lett
26954509Cigarette Smoking and Tryptophan Hydroxylase 2 mRNA in the Dorsal Raphe Nucleus in Suicides. (2016 Jul 2)Bach HArch Suicide Res
26073764Ethanol consumption in the Sprague-Dawley rat increases sensitivity of the dorsal raphe nucleus to 5,7-dihydroxytryptamine. (2015 Dec 15)Vasudeva RKBehav Brain Res
21621273Association of polymorphisms in HTR2A, HTR1A and TPH2 genes with suicide attempts in alcohol dependence: a preliminary report. (2011 Nov 30)Wrzosek MPsychiatry Res
17251907SNP- and haplotype analysis of the tryptophan hydroxylase 2 gene in alcohol-dependent patients and alcohol-related suicide. (2007 Aug)Zill PNeuropsychopharmacology
17986837The role of the TPH1 and TPH2 genes for nicotine dependence: a genetic association study in two different age cohorts. (2007)Reuter MNeuropsychobiology
26013962Serotonin Transporter and Tryptophan Hydroxylase Gene Variations Mediate Working Memory Deficits of Cocaine Users. (2015 Dec)Havranek MMNeuropsychopharmacology
19361870TPH2 gene variants and anxiety during alcohol detoxification outcome. (2009 May 15)Serretti APsychiatry Res