TPH2, tryptophan hydroxylase 2, 121278

N. diseases: 137; N. variants: 37
Source: ALL
Disease Score gda Association Type Type Original DB Sentence supporting the association PMID PMID Year
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease CTD_human
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Our findings provide evidence for an involvement of genetic variants of the TPH2 gene in the pathogenesis of MD and might be a hint on the repeatedly discussed duality of the serotonergic system. 15124006 2004
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Loss-of-function mutation in tryptophan hydroxylase-2 identified in unipolar major depression. 15629698 2005
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 AlteredExpression disease BEFREE Neuronal tryptophan hydroxylase mRNA expression in the human dorsal and median raphe nuclei: major depression and suicide. 16192985 2006
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease BEFREE Markers in TPH2 have been implicated in suicide and major depressive disorder, but the results across studies are inconsistent. 16806105 2007
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE We investigated whether variation at the tryptophan hydroxylase-2 (TPH2) gene and its 5' upstream region may predispose to suicide in major depressive disorder (MDD) and whether this predisposition is mediated by impulsive-aggressive behaviors (IABs). 17217922 2007
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Genetic variations in the TPH2 gene have been associated with an increased risk for major depression and suicidal behavior. 17251907 2007
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE There was no association between TPH-2 gene variants and MD in the same population that had shown a strong association with TPH-1. 17692928 2008
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE This SNP and additional SNPs were discovered through a systematic characterization of the genetic architecture of the TPH2 gene for further genetic and functional investigations of its relationship to major depression and other psychopathology. 18180764 2008
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 AlteredExpression disease BEFREE The mechanisms underlying these changes are uncertain, but increased TPH2 expression and serotonin turnover could result from genetic influences, adverse early life experiences, or acute stressful life events, all of which can alter serotonergic neurotransmission and have been implicated in determining vulnerability to major depression. 19120094 2008
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Furthermore, an increased frequency of G allele of TPH2 SNP may be associated with elevated suicidal behavior itself rather than with the diagnosis of major depression and may increase risk of suicidality, independent of diagnosis. 19162119 2009
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Our findings show that TPH2 genetic variants may play a role in MDD susceptibility and in acute therapeutic response to selective serotonin reuptake inhibitors. 19272410 2009
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Although the sample size is small, results from this study suggest that the TPH2 C2755A polymorphism may represent a population-specific risk factor for peripartum major depression and anxiety disorder, perhaps by interacting with hormones. 19588223 2009
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE 5-HTR1A, 5-HTR2A, 5-HTR6, TPH1 and TPH2 polymorphisms and major depression. 19590397 2009
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Those who did not drink alcohol before suicide were more likely to have a diagnosis of major depressive disorder in their medical record and more often had the TT genotype of the tryptophan hydroxylase 2 gene. 19734157 2010
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease BEFREE The study suggested that hopelessness, negative life events and family history of suicide were risk factors of attempted suicide in MDD while the TPH2 rs7305115A remained a significant protective predictor of suicide attempts. 20738857 2010
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Our results suggest that TPH2 variants neither have a major role in MD, BD and schizophrenia nor in response to treatments. 21396719 2011
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease BEFREE In this study, we aimed to investigate the association of tryptophan hydroxylase 2 gene with MDD and its treatment response in the Chinese Han population. 21620479 2011
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE In total, 14 single nucleotide polymorphisms (SNPs) in coding regions of 10 serotonergic genes (HTR1A, HTR1B, HTR1D, HTR2A, HTR3A, HTR3C, HTR3D, HTR3E, HTR5A and TPH2) were genotyped in 308 Chinese Han patients with major depressive disorder. 21937687 2012
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease BEFREE Gene-disease association studies have reported a relationship between TPH2 and major depressive disorder (MDD) in different populations, however subsequent studies have produced contradictory results. 22693556 2012
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease PSYGENET A rare mutation in tryptophan hydroxylase 2 (Tph2), the rate limiting enzyme for 5-HT synthesis, was identified in several patients with major depression, and knock-in mice expressing the analogous mutation (R439H Tph2 KI) show 80% reduction in 5-HT synthesis and tissue levels. 23336047 2013
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 GeneticVariation disease BEFREE Although the majority of first-line antidepressants increase brain serotonin and rare polymorphisms in tryptophan hydroxlase-2 (Tph2), the rate-limiting enzyme in the brain serotonin synthesis pathway, have been identified in cohorts of subjects with major depressive disorder, the circuit level alterations that results from serotonergic hypofunction remain poorly understood. 23467366 2013
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease PSYGENET Although the majority of first-line antidepressants increase brain serotonin and rare polymorphisms in tryptophan hydroxlase-2 (Tph2), the rate-limiting enzyme in the brain serotonin synthesis pathway, have been identified in cohorts of subjects with major depressive disorder, the circuit level alterations that results from serotonergic hypofunction remain poorly understood. 23467366 2013
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease PSYGENET Polymorphisms in the gene encoding the serotonin synthesis enzyme Tph2 have been identified in mental illnesses, including bipolar disorder, major depression, autism, schizophrenia, and ADHD. 24196946 2014
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.600 Biomarker disease PSYGENET Single locus analysis in pooled and ethnically stratified subjects revealed no association between each of the three variants of the TPH2 gene with susceptibility to MDD. 24376086 2015