PMID- 24709918 OWN - NLM STAT- MEDLINE DCOM- 20150220 LR - 20211021 IS - 1473-558X (Electronic) IS - 0959-4965 (Print) IS - 0959-4965 (Linking) VI - 25 IP - 10 DP - 2014 Jul 9 TI - Significantly decreased mRNA levels of BDNF and MEK1 genes in treatment-resistant depression. PG - 753-5 LID - 10.1097/WNR.0000000000000165 [doi] AB - The aim of the current study was to investigate whether the levels of mRNA expression of brain-derived neurotrophin factor (BDNF) and a related gene MEK1 were more obviously decreased in treatment-resistant depression (TRD). In total, 50 patients with major depressive disorder (including 26 with TRD and 24 with treatment-responsive depression) and 48 healthy controls were enrolled. BDNF and MEK1 mRNA levels in blood samples from all patients and controls were measured using reverse transcriptase-PCR. BDNF and MEK1 mRNA levels were significantly reduced in patients with major depressive disorder when compared with healthy controls (BDNF: P<0.01; MEK1: P<0.001), as well as among treatment-resistant depressive patients as compared with treatment-responsive depressive patients (BDNF: P<0.001; MEK1: P<0.01). Our findings support the hypothesis that BDNF and MEK1 mRNA expression levels are more obviously decreased in patients with TRD. FAU - Hong, Wu AU - Hong W AD - aShanghai Mental Health Center, Division of Mood Disorders, Shanghai Jiao Tong University School of Medicine, Shanghai bKey Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Kunming, China cDepartment of Epidemiology and Biostatistics, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA. FAU - Fan, Jinbo AU - Fan J FAU - Yuan, Chengmei AU - Yuan C FAU - Zhang, Chen AU - Zhang C FAU - Hu, Yingyan AU - Hu Y FAU - Peng, Daihui AU - Peng D FAU - Wang, Yong AU - Wang Y FAU - Huang, Jia AU - Huang J FAU - Li, Zezhi AU - Li Z FAU - Yu, Shunying AU - Yu S FAU - Liu, Xiaohua AU - Liu X FAU - Wu, Zhiguo AU - Wu Z FAU - Chen, Jun AU - Chen J FAU - Yi, Zhenghui AU - Yi Z FAU - Xu, Lin AU - Xu L FAU - Fang, Yiru AU - Fang Y LA - eng GR - KL2 RR024990/RR/NCRR NIH HHS/United States GR - UL1 TR000439/TR/NCATS NIH HHS/United States GR - KL2RR024990/RR/NCRR NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't PL - England TA - Neuroreport JT - Neuroreport JID - 9100935 RN - 0 (Brain-Derived Neurotrophic Factor) RN - 0 (RNA, Messenger) RN - 7171WSG8A2 (BDNF protein, human) RN - EC 2.7.12.2 (MAP Kinase Kinase 1) RN - EC 2.7.12.2 (MAP2K1 protein, human) SB - IM MH - Adult MH - Brain-Derived Neurotrophic Factor/*genetics MH - Depressive Disorder, Major/*genetics MH - Depressive Disorder, Treatment-Resistant/*genetics MH - Female MH - Humans MH - MAP Kinase Kinase 1/*genetics MH - Male MH - Middle Aged MH - RNA, Messenger/metabolism PMC - PMC4465888 MID - NIHMS697708 COIS- Conflicts of interest: There are no conflicts of interest. EDAT- 2014/04/09 06:00 MHDA- 2015/02/24 06:00 PMCR- 2015/06/14 CRDT- 2014/04/09 06:00 PHST- 2014/04/09 06:00 [entrez] PHST- 2014/04/09 06:00 [pubmed] PHST- 2015/02/24 06:00 [medline] PHST- 2015/06/14 00:00 [pmc-release] AID - 10.1097/WNR.0000000000000165 [doi] PST - ppublish SO - Neuroreport. 2014 Jul 9;25(10):753-5. doi: 10.1097/WNR.0000000000000165.