Disease Score gda Association Type Type Original DB Sentence supporting the association PMID PMID Year
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 Biomarker disease BEFREE Brain-derived neurotrophic factor signaling and subgenual anterior cingulate cortex dysfunction in major depressive disorder. 23128924 2012
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 AlteredExpression disease BEFREE In our sample, baseline serum BDNF levels did not predict major depression and the clinical characteristics of the patients did not predict their BDNF levels. 31231276 2019
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 Biomarker disease BEFREE The contribution of 7 polymorphisms from 5 genes (APOE, HSPA1A, SLC6A4, HTR2A, and BDNF) related to risk of MDD or AD development was analyzed. 29703883 2018
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 Biomarker disease BEFREE Genetic variation in IL-1β, IL-2, IL-6, TSPO and BDNF and response to duloxetine or placebo treatment in major depressive disorder. 26556688 2015
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 AlteredExpression disease BEFREE Serum BDNF levels were significantly lower in MDD, and showed an inverse relationship with BDNF methylation only in healthy controls. 26876488 2016
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 Biomarker disease BEFREE The gene encoding brain-derived neurotrophic factor (BDNF) has been suggested as a candidate for major depression, and for depression susceptibility in different neurological and psychiatric diseases. 18179845 2009
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE These results suggest that the interactions of BDNF (rs6265) with NTRK2 (rs1387923, rs2769605 and rs1565445) gene polymorphisms likely play an essential role in the development of TRD in Han Chinese MDD patients. 23137999 2013
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 AlteredExpression disease BEFREE We evaluated the serum BDNF and GDNF levels before and after 12 weeks of antidepressant treatment in MDD outpatients. 29945425 2018
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE Several studies have linked 5-HT1A C1019G and BDNF G196A (Val66Met) gene polymorphisms to major depressive disorder (MDD) and the actions of antidepressants. 17401528 2007
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE Genotyping for BDNF and GDNF polymorphisms was performed in 298 patients with MDD who started 20 mg paroxetine per day and had their plasma concentrations measured after 6 weeks. 24577123 2014
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE We investigated whether single nucleotide polymorphisms (SNPs) associated with neuroplasticity and activity of monoamine neurotransmitters, such as the brain-derived neurotrophic factor (BDNF, rs6265), the serotonin transporter (SLC6A4, rs25531), the tryptophan hydroxylase 1 (TPH1, rs1800532), the 5-hydroxytryptamine receptor 2A (HTR2A, rs6311, rs6313, rs7997012), and the catechol-O-methyltransferase (COMT, rs4680) genes, are associated with efficacy of transcranial direct current stimulation (tDCS) in major depression. 31721892 2019
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE We found no significant association of either the BDNF G196A or MTHFR C677T polymorphisms with major depressive disorder neither in female nor male group of patients. 23255668 2012
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE No association of the Val66Met polymorphism of the brain-derived neurotrophic factor with hippocampal volume in major depression. 19668114 2009
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE Experimental and clinical data suggest that genetic variations in Brain-derived neurotrophic factor (BDNF) gene may increase the risk for PD and MD-D. 21510922 2011
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 Biomarker disease BEFREE BDNF and miRNA in MDD had been investigated widely in the recent years, but the relationships between miRNAs and antidepressants were less studied. 30269040 2018
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE Moreover, there was no significant difference in normalized HCV between 5HTTLPR diallelic and triallelic classifications or between the BDNF Val66Met genotypes in MDD patients, although there was a relationship between BDNF Val66Met and ICV. 21692988 2011
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE We examined the effects of BDNF single nucleotide polymorphisms (SNPs) in response to the antidepressants paroxetine and mirtazapine in a sample of 246 geriatric patients with major depression, treated in a double-blind, randomized, 8-week clinical trial. 23619509 2013
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE Recent meta-analyses point towards a pathogenic role of the Val66Met variant of the brain-derived neurotrophic factor (BDNF) in major depressive disorder, specifically in males. 22033217 2012
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE While BDNF was not associated with major depression as a categorical diagnosis, the BDNF rs7124442 TT genotype was significantly related to worse treatment outcome over 6 wk in major depression (p = 0.01) particularly in anxious depression (p = 0.003) in the German sample. 19236730 2010
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE To examine the effect of the BDNF Val66Met polymorphism on hippocampal and amygdala volumes in patients with major depression and in healthy control subjects. 17404118 2007
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 AlteredExpression disease LHGDN Our study suggests that low BDNF levels may play a pivotal role in the pathophysiology of MDD and that antidepressants may increase BDNF in depressed patients. 12842310 2003
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 AlteredExpression disease BEFREE The findings showed lower levels of endocannabinoids and BDNF in the ventral striata of MDD patients and WKY rats. 31654971 2020
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 Biomarker disease BEFREE Such an association would be consistent with low brain-derived neurotrophic factor mediating the effect of early life adversity on adulthood suicide and major depressive disorder. 29432620 2018
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 GeneticVariation disease BEFREE Total hippocampal volumes did not significantly vary in MDD participants or controls carrying either the BDNF Val66Met 'Met' (386 participants with MDD and 376 controls) or the 5-HTTLPR short 'S' (310 participants with MDD and 230 controls) risk alleles compared to non-carriers. 29778546 2018
CUI: C1269683
Disease: Major Depressive Disorder
Major Depressive Disorder
0.400 Biomarker disease BEFREE 1) The age-related decrease in BDNF transcripts observed in control subjects corresponds with further age-related decreases in BDNF and BDNF-dependent gene expression in MDD subjects; 2) most MDD-related genes are frequently age-regulated in both MDD and control subjects; 3) the effects of MDD and age are positively correlated; 4) most genes that are age-dependent in control subjects display greater age effects in MDD subjects; and 5) the increased prevalence of age effects in MDD corresponds to similar trends in controls, rather than representing de novo age effects. 23570888 2013