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Polymorphisms of COMT and CREB1 are associated with treatment-resistant depression in a Chinese Han population

  • Psychiatry and Preclinical Psychiatric Studies - Original Article
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Abstract

Genetic factors play a crucial role for the pathophysiology of treatment-resistant depression (TRD). It has been established that Catechol-O-methyltransferase (COMT) and cyclic amp-response element-binding protein (CREB) are associated with antidepressant response. The aim of this study was to explore the association between single nucleotide polymorphisms (SNPs) in COMT and CREB1 genes and TRD in a Chinese population. We recruited 181 patients with major depressive disorder (MDD) and 80 healthy controls, including 81 TRD patients. Depressive symptoms were assessed with the Hamilton Depression Rating Scale-17 (HDRS). Genotyping was performed using mass spectrometry. Genetic analyses were conducted by PLINK Software. The distribution of COMT SNP rs4818 allele and genotypes were significantly different between TRD and controls. Statistical differences in allele frequencies were observed between TRD and non-TRD groups, including rs11904814 and rs6740584 in CREB1 gene, rs4680 and rs4818 in COMT gene. There were differences in the distribution of HDRS total scores among different phenotypes of CREB1 rs11904814, CREB1 rs6740584, COMT rs4680 and rs4818. Gene–gene interaction effect of COMTCREB1 (rs4680 × rs6740584) revealed significant epistasis in TRD. There findings indicate that COMT and CREB1 polymorphisms influence the risk of TRD and affect the severity of depressive symptoms of MDD.

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Acknowledgements

We thank all the study participants for their cooperation. These sources had no further role in this study design, data collection, and statistical analysis, drafting of the report, and submitting the paper for publication. Thanks to Jaelin Rippe for contributing to this article.

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Study concept and design: JL, SL. Acquisition of data: SL, LN, YQ, YM, SL, NG, HC. Statistical analysis: YW, SL. Drafting of the manuscript: YW, SL, JL. Study supervision: JL.

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Correspondence to Jie Li.

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Wang, Y., Li, S., Niu, L. et al. Polymorphisms of COMT and CREB1 are associated with treatment-resistant depression in a Chinese Han population. J Neural Transm 129, 85–93 (2022). https://doi.org/10.1007/s00702-021-02415-y

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  • DOI: https://doi.org/10.1007/s00702-021-02415-y

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