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Cinciripini PM, Wetter DW, Wang J, Yu R, Kypriotakis G, Kumar T, Robinson JD, Cui Y, Green CE, Bergen AW, Kosten TR, Scherer SE, Shete S. Deep sequencing of candidate genes identified 14 variants associated with smoking abstinence in an ethnically diverse sample. Sci Rep 2024; 14:6385. [PMID: 38493193 PMCID: PMC10944542 DOI: 10.1038/s41598-024-56750-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 03/11/2024] [Indexed: 03/18/2024] Open
Abstract
Despite the large public health toll of smoking, genetic studies of smoking cessation have been limited with few discoveries of risk or protective loci. We investigated common and rare variant associations with success in quitting smoking using a cohort from 8 randomized controlled trials involving 2231 participants and a total of 10,020 common and 24,147 rare variants. We identified 14 novel markers including 6 mapping to genes previously related to psychiatric and substance use disorders, 4 of which were protective (CYP2B6 (rs1175607105), HTR3B (rs1413172952; rs1204720503), rs80210037 on chr15), and 2 of which were associated with reduced cessation (PARP15 (rs2173763), SCL18A2 (rs363222)). The others mapped to areas associated with cancer including FOXP1 (rs1288980) and ZEB1 (rs7349). Network analysis identified significant canonical pathways for the serotonin receptor signaling pathway, nicotine and bupropion metabolism, and several related to tumor suppression. Two novel markers (rs6749438; rs6718083) on chr2 are flanked by genes associated with regulation of bodyweight. The identification of novel loci in this study can provide new targets of pharmacotherapy and inform efforts to develop personalized treatments based on genetic profiles.
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Affiliation(s)
- Paul M Cinciripini
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
| | - David W Wetter
- Department of Department of Population Health Sciences, University of Utah and Huntsman Cancer Institute, Salt Lake City, Utah, 84112, USA
| | - Jian Wang
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Robert Yu
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - George Kypriotakis
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
| | - Tapsi Kumar
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jason D Robinson
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Yong Cui
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Charles E Green
- Department of Pediatrics, The University of Texas Medical School at Houston, Houston, TX, 77030, USA
| | | | - Thomas R Kosten
- Department of Psychiatry, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Steven E Scherer
- Department of Molecular and Human Genetics, Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Sanjay Shete
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
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Kim SY, Kim HN, Jeon SW, Lim WJ, Kim SI, Lee YJ, Kim SY, Kim YK. Association between genetic variants of the norepinephrine transporter gene (SLC6A2) and bipolar I disorder. Prog Neuropsychopharmacol Biol Psychiatry 2021; 107:110227. [PMID: 33340618 DOI: 10.1016/j.pnpbp.2020.110227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 12/11/2020] [Accepted: 12/15/2020] [Indexed: 11/19/2022]
Abstract
We aimed to investigate the associations between genetic variants of the norepinephrine transporter gene (NET, also known as SLC6A2) and diagnosis of bipolar I disorder. In addition, we examined the relationship between the genetic variants and manic and psychotic symptoms in patients with bipolar I disorder. The three SNPs rs28386840, rs2242446, and rs5569 were genotyped in 326 patients: patients with bipolar I disorder (n = 160) and a control group (n = 166). Subsequently, multivariate logistic regression analysis adjusting for age and sex was conducted to identify independent influences of the SNPs on diagnosis of bipolar I disorder. A possible association between manic and psychotic symptoms and variants of SLC6A2 was also investigated in patients with bipolar I disorder. The rs28836840 SNP in the 5'-UTR of SLC6A2 was significantly associated with bipolar I disorder and with severity of manic and psychotic symptoms in this disorder. Individuals carrying a T allele in the rs28836840 SNP were likely to have a lower risk of bipolar I disorder or lower severity of manic and psychotic symptoms in patients with bipolar I disorder (bipolar I disorder diagnosis: OR = 0.643, 95% Cl = 0.468-0.883, p = 0.006; manic symptoms: β = -2.457, 95% Cl = -4.674 ~ -0.239, p = 0.031; psychotic symptoms: β = -2.501, 95% Cl = -4.700 ~ -0.301, p = 0.027). For the rs2242446 and rs5569 SNPs, there were no significant differences between patients with bipolar I disorder and those without. Our results revealed associations of the rs28386840 SNP with bipolar I disorder diagnosis and with severity of manic and psychotic symptoms. However, the findings reported here require replication in larger samples and various ethnic groups.
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Affiliation(s)
- Sun-Young Kim
- Department of Psychiatry, Ewha Womans University Seoul Hospital, Ewha Womans University College of Medicine, Seoul, Republic of Korea
| | - Han-Na Kim
- Medical Research Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea; Department of Clinical Research Design and Evaluation, SAIHST, Sungkyunkwan University, Seoul, Republic of Korea
| | - Sang Won Jeon
- Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Weon-Jeong Lim
- Department of Psychiatry, Ewha Womans University Seoul Hospital, Ewha Womans University College of Medicine, Seoul, Republic of Korea
| | - Soo In Kim
- Department of Psychiatry, Ewha Womans University Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, Republic of Korea
| | - Youn Jung Lee
- Department of Psychiatry, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Se Young Kim
- Department of Psychiatry, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea
| | - Yong-Ku Kim
- Department of Psychiatry, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea.
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The association between polymorphism of norepinephrine transporter G1287A and major depressive disorder, antidepressant response: a meta-analysis. Psychiatr Genet 2020; 30:101-109. [PMID: 32459709 DOI: 10.1097/ypg.0000000000000254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Massive research has examined the cause of major depressive disorder (MDD) and accumulating evidence has revealed that the gene for the norepinephrine transporter (NET) is involved in MDDs etiology as well as the antidepressant response. The G1287A (rs5569, GRCh38, Chromosome 16, 55697923) is located in the exon 9 region of the SLC6A2 gene. It was found to be connected with MDD and antidepressant response in people of different genetic ancestries. However, the results are still inconsistent. METHODS A meta-analysis was conducted to evaluate the overall association of rs5569 polymorphisms with MDD and the antidepressant response. RESULTS Sixteen articles that studied the connection between the G1287A polymorphism and MDD or antidepressant response were identified, and their outcomes revealed there was a significant connection between the polymorphisms and MDD and antidepressant response. Our study indicated that the GG genotype may be a protection factor against the development of MDD [odds ratio (OR = 0.78, 95% confidence interval (CI) = 0.64-0.96, P = 0.02 for Asian population; OR = 0.79, 95% CI = 0.63-0.98, P = 0.03 for Han Chinese population] while the GG genotype had a worse antidepressant response (OR = 0.49, 95% CI = 0.25-0.94, P = 0.03). CONCLUSIONS NET G1287A polymorphisms are involved in the etiology of MDD and antidepressant response.
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Shao X, Zhu G. Associations Among Monoamine Neurotransmitter Pathways, Personality Traits, and Major Depressive Disorder. Front Psychiatry 2020; 11:381. [PMID: 32477180 PMCID: PMC7237722 DOI: 10.3389/fpsyt.2020.00381] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 04/16/2020] [Indexed: 12/13/2022] Open
Abstract
Major depressive disorder (MDD) is a complex psychiatric disease requiring multidisciplinary approaches to identify specific risk factors and establish more efficacious treatment strategies. Although the etiology and pathophysiology of MDD are not clear until these days, it is acknowledged that they are almost certainly multifactorial and comprehensive. Monoamine neurotransmitter system dysfunction and specific personality traits are independent risk factors for depression and suicide. These factors also demonstrate complex interactions that influence MDD pathogenesis and symptom expression. In this review, we assess these relationships with the aim of providing a reference for the development of precision medicine.
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Affiliation(s)
- Xiaojun Shao
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Gang Zhu
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, China.,Central Laboratory, The First Affiliated Hospital of China Medical University, Shenyang, China
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Rizvi S, Raza ST, Rahman Q, Eba A, Zaidi ZH, Mahdi F. Association of endothelial nitric oxide synthase (eNOS) and norepinephrine transporter (NET) genes polymorphism with type 2 diabetes mellitus. Mol Biol Rep 2019; 46:5433-5441. [PMID: 31377977 DOI: 10.1007/s11033-019-04998-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 07/23/2019] [Indexed: 11/25/2022]
Abstract
Genetic factors in combination with environmental factors play a critical role in the development type 2 diabetes mellitus (T2DM) which is growing as an epidemic globally. In present study we aim to assess the association of eNOS (G894T, rs1799983) and NET (G1287A, rs5569) genes polymorphism with T2DM. A case-control study including a total of 400 North Indian subjects (200 T2DM cases and 200 controls) was performed using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) approach to analyze genetic polymorphism. Alleles/genotype frequencies between cases and controls were compared using χ2 and Student's t-tests. Odds ratios and 95% confidence intervals were calculated by logistic regression to assess the relative association between disease and genotypes. In case of NET gene, GG (P = 0.002 in T2DM males, 0.053 in overall T2DM cases) genotype and G allele (P = 0.003 in T2DM males, 0.027 in overall T2DM cases) were found to be a positive risk factors and AG genotype (P = 0.012 in T2DM males) and A allele (P = 0.003 in T2DM males, P = 0.027 in overall T2DM cases) as negative risk factor for T2DM. No association of eNOS gene polymorphism was found with T2DM (P values of all genotypes and alleles were greater than 0.05). NET gene polymorphism might be associated with the risk of T2DM whereas; eNOS gene polymorphism do not confer any risk of T2DM in North Indian Ethnic group. It is hoped that understanding genetic causes of T2DM will lead to earlier diagnosis, preventive measures and more effective and specific treatment.
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Affiliation(s)
- Saliha Rizvi
- Molecular Biology Lab, Department of Biochemistry, Era's Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, 226003, India
| | - Syed Tasleem Raza
- Molecular Biology Lab, Department of Biochemistry, Era's Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, 226003, India.
| | - Qamar Rahman
- Amity University, Lucknow Campus, Lucknow, India
| | - Ale Eba
- Molecular Biology Lab, Department of Biochemistry, Era's Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, 226003, India
| | - Zeashan H Zaidi
- Department of Statistics, Era's Lucknow Medical College and Hospital, Lucknow, India
| | - Farzana Mahdi
- Molecular Biology Lab, Department of Biochemistry, Era's Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, 226003, India
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Suwała J, Machowska M, Wiela-Hojeńska A. Venlafaxine pharmacogenetics: a comprehensive review. Pharmacogenomics 2019; 20:829-845. [PMID: 31368838 DOI: 10.2217/pgs-2019-0031] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Antidepressant response could be from 42 to 50% genetically determined. Venlafaxine (VEN) was the sixth most-prescribed antidepressant in the USA in 2017. Therefore, we reviewed studies which focused on the pharmacogenetics of VEN and found that there is a lack of guidelines for pharmacogenetic testing for VEN. Within investigated genetic polymorphisms, few of them can be indicated as potential predictors of VEN efficacy and tolerance. However, additional pharmacogenetic studies of VEN should be performed to reproduce already obtained results or explain contradictory ones. The individualization of pharmacotherapy is a key issue in providing patients with the highest possible quality of treatment, therefore pharmacogenetic studies should be one of the components of therapy optimization.
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Affiliation(s)
- Justyna Suwała
- Department of Clinical Pharmacology, Faculty of Pharmacy with Division of Laboratory Diagnostics, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Marta Machowska
- Department of Clinical Pharmacology, Faculty of Pharmacy with Division of Laboratory Diagnostics, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Anna Wiela-Hojeńska
- Department of Clinical Pharmacology, Faculty of Pharmacy with Division of Laboratory Diagnostics, Wroclaw Medical University, 50-556 Wroclaw, Poland
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Sawai A, Motomura T, Oshima T, Sawai S, Fujikawa T, Fujii H, Bannai Y, Takeda Y, Ohno M, Tochikubo O. Influence of Acute Mental Arithmetic Stress on Taste and Pungency. J Nutr Sci Vitaminol (Tokyo) 2019; 65:224-232. [PMID: 31257262 DOI: 10.3177/jnsv.65.224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Mental stress is a known risk factor for disease. This study investigated changes in sensations of taste and pungency before and after mental stress. Thirty healthy male university students rested for 20 min, performed mental arithmetic tasks for 10 min, and then underwent measurement of changes in their taste and ability to discern pungency. Taste was measured with the "Taste Disk®," and pungency was measured by a filter-paper disc method using capsaicin solution. Subjects were not told the order of the reagent solutions used. To quantify pain sensation, a weak current applied to the central inner forearm skin by a Pain Vision® quantitative pain sensation analyzer was gradually increased. The degree of stress was measured by portable electrocardiography (ECG). During mental stress, the cognitive threshold of salty taste, sweet taste, and bitterness was significantly decreased, whereas the sensations of pungency and forearm skin pain were increased and showed significant correlation. Based on sympathetic nerve activity analyzed with the ECG, the subjects were divided into the mental stress group and non-mental stress group. The mental stress group experienced an increase in the pungency threshold and sensation of forearm skin pain with significantly high correlations obtained, whereas no correlation was found between these factors in the non-mental stress group. Acute mental stress increased the sensitivity to taste but decreased the sensitivity to the sensation of pungency on the tongue and pain on the skin. Sympathetic activity activated by stress may affect taste and the sensation of pungency.
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Affiliation(s)
- Asuka Sawai
- Department of Nutrition and Life Science, Kanagawa Institute of Technology
| | - Takuma Motomura
- Department of Nutrition and Life Science, Kanagawa Institute of Technology
| | - Tatsuhiro Oshima
- Department of Nutrition and Life Science, Kanagawa Institute of Technology
| | - Shinya Sawai
- Department of Applied Physics, National Defense Academy
| | - Tetsuya Fujikawa
- Center for Health Service Sciences, Yokohama National University
| | | | - Yuichi Bannai
- Department of Information Media, Kanagawa Institute of Technology
| | - Yuichi Takeda
- Center for Basic Education and Integrated Learning, Kanagawa Institute of Technology
| | - Masato Ohno
- National Institute of Technology, Yonago College
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Kim E, Cho SE, Na KS, Jung HY, Lee KJ, Cho SJ, Han DG. Blue Monday Is Real for Suicide: A Case-Control Study of 188,601 Suicides. Suicide Life Threat Behav 2019; 49:393-400. [PMID: 29349806 DOI: 10.1111/sltb.12429] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 10/30/2017] [Indexed: 11/30/2022]
Abstract
Many studies have reported that suicides tend to occur on Mondays. However, owing to a lack of controls, conclusive findings on the potential effects of a day of the week on suicides have been lacking. We analyzed public data for causes of death from 1997 to 2015 in the Republic of Korea. Accidental death was used as a control group. The probability of suicide on each day of the week according to age group was calculated. A total of 377,204 deaths (188,601 suicides and 188,603 accidental deaths) were used. The frequency of suicide was highest on Monday and decreased throughout the week until Saturday. Accidental death was highest on Saturday and showed no variations according to weekday. For people in their teens and 20s, the probabilities of suicide on Monday were 9% and 10% higher, respectively, than those on Sunday. As age increased, the differences in suicide probability according to the day of the week were attenuated. The so-called Blue Monday effect is real, particularly for people in their teens and 20s. Suicide prevention strategies that aim to attenuate the burden and stress of Mondays should be planned.
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Affiliation(s)
- Eunkyong Kim
- Department of Occupation and Environmental Medicine, Korea Workers' Compensation & Welfare Service Ansan Hospital, Ansan, Korea
| | - Seo-Eun Cho
- Department of Psychiatry, Gachon University Gil Medical Center, Incheon, Korea
| | - Kyoung-Sae Na
- Department of Psychiatry, Gachon University Gil Medical Center, Incheon, Korea.,Incheon Metropolitan Suicide Prevention Center, Incheon, Korea
| | - Han-Yong Jung
- Department of Psychiatry, Soonchunhyang University Bucheon Hospital, Korea
| | - Kang-Joon Lee
- Department of Psychiatry, Inje University Ilsan Paik Hospital, Korea
| | - Seong-Jin Cho
- Department of Psychiatry, Gachon University Gil Medical Center, Incheon, Korea
| | - Dae-Guen Han
- Department of Psychiatry, Gachon University Gil Medical Center, Incheon, Korea
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Cao SX, Li HF, Zhao XF, Pang JY, Liu Q, Xie GR. Association between T-182C, G1287A polymorphism in NET gene and suicidality in major depressive disorder in Chinese patients. Int J Psychiatry Clin Pract 2018; 22:304-309. [PMID: 29703117 DOI: 10.1080/13651501.2017.1406121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Objective: Previous studies have implicated norepinephrine transporter gene (NET) polymorphisms in the etiology of major depressive disorder (MDD). A functional NET T-182C polymorphism (rs2242446) in the promoter region and a synonymous polymorphisms G1287A in the exon 9 (rs5569) were associated with MDD in different populations. However, few studies have focused on the relationship between these polymorphisms and MDD patients with suicidality. The objective of the present study was to examine whether the two polymorphisms are associated with MDD patients with suicidality in the Han Chinese population. Methods: Two hundred and sixty-three suicidal depressed patients and 241 non-suicidal depressed patients who met DSM-IV criteria for MDD were recruited from our hospital. Three hundred and three unrelated, age- and sex-matched healthy control subjects participated in this case-control study. Suicidality was assessed using Mini International Neuropsychiatric Interview (MINI) and the Hamilton rating scale for depression (HAMD). Genotypes of T-182C polymorphism (rs2242446) and G1287A (rs5569) were screened by polymerase chain reaction. Results: No statistical significant differences between patients and controls were found for any of the analysed polymorphisms, either in the genotype or allele distribution. Conclusions: Our results suggest that the investigated polymorphisms are not major susceptibility factors in the etiology of MDD with suicidality. However, the results must be verified in larger samples and different ethnicities.
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Affiliation(s)
- Su-Xia Cao
- a Mental Health Institute of The Second Xiangya Hospital, National Technology Institute of Psychiatry, Key Laboratory of Psychiatry and Mental Health of Hunan Province , Central South University , Changsha , P.R. China
| | - Heng-Fen Li
- b Department of Psychiatry , The First Affiliated Hospital of Zhengzhou University , Zhengzhou , P.R. China
| | - Xiao-Feng Zhao
- b Department of Psychiatry , The First Affiliated Hospital of Zhengzhou University , Zhengzhou , P.R. China
| | - Jian-Yue Pang
- b Department of Psychiatry , The First Affiliated Hospital of Zhengzhou University , Zhengzhou , P.R. China
| | - Qian Liu
- b Department of Psychiatry , The First Affiliated Hospital of Zhengzhou University , Zhengzhou , P.R. China
| | - Guang-Rong Xie
- a Mental Health Institute of The Second Xiangya Hospital, National Technology Institute of Psychiatry, Key Laboratory of Psychiatry and Mental Health of Hunan Province , Central South University , Changsha , P.R. China
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Meta-analysis on the Association Between Norepinephrine Transporter Gene rs2242446, rs5569 Polymorphisms and Risk of Major Depressive Disorder. Arch Med Res 2018; 49:261-269. [PMID: 30292339 DOI: 10.1016/j.arcmed.2018.08.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 08/24/2018] [Indexed: 01/11/2023]
Abstract
BACKGROUND AND AIMS The association between norepinephrine transporter (NET) gene polymorphisms and the risk of major depressive disorder (MDD) has been investigated extensively, but with contradictory findings. MATERIALS/METHODS To clarify such contradiction, a comprehensive meta-analysis was conducted by searching PubMed, EMBASE, Web of Science and China Knowledge Resource Integrated Database. Odd ratios (ORs) and 95% confidence intervals (Cis) were used to evaluate the strength of the association. RESULTS Totally 23 case-control studies regarding rs2242446 and rs5569 polymorphisms were included. Overall analysis and subgroup analysis indicated no significant association between NET gene rs2242446 polymorphism and MDD risk. However, recessive and homozygous models revealed a significant association between NET rs5569 polymorphism and increased risk of MDD. The stratified analysis further indicated significant associations in Asians, hospital-based studies and studies with other genotyping methods. CONCLUSIONS In conclusion, NET gene rs5569 polymorphism could increase the risk of MDD, especially among Asians.
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Knisely MR, Conley YP, Kober KM, Smoot B, Paul SM, Levine JD, Miaskowski C. Associations Between Catecholaminergic and Serotonergic Genes and Persistent Breast Pain Phenotypes After Breast Cancer Surgery. THE JOURNAL OF PAIN 2018; 19:1130-1146. [DOI: 10.1016/j.jpain.2018.04.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 03/04/2018] [Accepted: 04/12/2018] [Indexed: 12/20/2022]
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Abstract
PURPOSE OF REVIEW The rising suicide rate in the USA will not be reversed without improved risk assessment and prevention practices. To date, the best method for clinicians to assess a patient's risk for suicide is screening for past suicide attempts in the patient and their family. However, neuroimaging, genomic, and biochemical studies have generated a body of findings that allow description of an initial heuristic biological model for suicidal behavior that may have predictive value. RECENT FINDINGS We review studies from the past 3 years examining potential biological predictors of suicide attempt behavior. We divide findings into two major categories: (1) structural and functional brain imaging findings and (2) biochemical and genomic findings encompassing several systems, including major neurotransmitters (serotonin, catecholamines, GABA, and glutamate), the hypothalamic pituitary adrenal (HPA) axis, the inflammasome, lipids, and neuroplasticity. The biomarkers that appear promising for assessing suicide risk in clinical settings include indices of serotonergic function, inflammation, neuronal plasticity, and lipids.
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Yousefi P, Huen K, Davé V, Barcellos L, Eskenazi B, Holland N. Sex differences in DNA methylation assessed by 450 K BeadChip in newborns. BMC Genomics 2015; 16:911. [PMID: 26553366 PMCID: PMC4640166 DOI: 10.1186/s12864-015-2034-y] [Citation(s) in RCA: 122] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 10/08/2015] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND DNA methylation is an important epigenetic mark that can potentially link early life exposures to adverse health outcomes later in life. Host factors like sex and age strongly influence biological variation of DNA methylation, but characterization of these relationships is still limited, particularly in young children. METHODS In a sample of 111 Mexican-American subjects (58 girls , 53 boys), we interrogated DNA methylation differences by sex at birth using the 450 K BeadChip in umbilical cord blood specimens, adjusting for cell composition. RESULTS We observed that ~3% of CpG sites were differentially methylated between girls and boys at birth (FDR P < 0.05). Of those CpGs, 3031 were located on autosomes, and 82.8% of those were hypermethylated in girls compared to boys. Beyond individual CpGs, we found 3604 sex-associated differentially methylated regions (DMRs) where the majority (75.8%) had higher methylation in girls. Using pathway analysis, we found that sex-associated autosomal CpGs were significantly enriched for gene ontology terms related to nervous system development and behavior. Among hits in our study, 35.9% had been previously reported as sex-associated CpG sites in other published human studies. Further, for replicated hits, the direction of the association with methylation was highly concordant (98.5-100%) with previous studies. CONCLUSIONS To our knowledge, this is the first reported epigenome-wide analysis by sex at birth that examined DMRs and adjusted for confounding by cell composition. We confirmed previously reported trends that methylation profiles are sex-specific even in autosomal genes, and also identified novel sex-associated CpGs in our methylome-wide analysis immediately after birth, a critical yet relatively unstudied developmental window.
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Affiliation(s)
- Paul Yousefi
- School of Public Health, University of California, 733 University Hall, School of Public Health, UC, Berkeley, CA, 94720-7360, USA
| | - Karen Huen
- School of Public Health, University of California, 733 University Hall, School of Public Health, UC, Berkeley, CA, 94720-7360, USA
| | - Veronica Davé
- School of Public Health, University of California, 733 University Hall, School of Public Health, UC, Berkeley, CA, 94720-7360, USA
| | - Lisa Barcellos
- School of Public Health, University of California, 733 University Hall, School of Public Health, UC, Berkeley, CA, 94720-7360, USA
| | - Brenda Eskenazi
- School of Public Health, University of California, 733 University Hall, School of Public Health, UC, Berkeley, CA, 94720-7360, USA
| | - Nina Holland
- School of Public Health, University of California, 733 University Hall, School of Public Health, UC, Berkeley, CA, 94720-7360, USA.
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Hohmann S, Hohm E, Treutlein J, Blomeyer D, Jennen-Steinmetz C, Schmidt MH, Esser G, Banaschewski T, Brandeis D, Laucht M. Association of norepinephrine transporter (NET, SLC6A2) genotype with ADHD-related phenotypes: findings of a longitudinal study from birth to adolescence. Psychiatry Res 2015; 226:425-33. [PMID: 25724484 DOI: 10.1016/j.psychres.2014.12.029] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Revised: 12/16/2014] [Accepted: 12/18/2014] [Indexed: 10/24/2022]
Abstract
Variation in the gene encoding for the norepinephrine transporter (NET, SLC6A2) has repeatedly been linked with ADHD, although there is some inconsistency regarding the association with specific genes. The variants for which most consistent association has been found are the NET variants rs3785157 and rs28386840. Here, we tested for their association with ADHD diagnosis and ADHD-related phenotypes during development in a longitudinal German community sample. Children were followed from age 4 to age 15, using diagnostic interviews to assess ADHD. Between the ages of 8 and 15 years, the Child Behavior Checklist (CBCL) was administered to the primary caregivers. The continuous performance task (CPT) was performed at age 15. Controlling for possible confounders, we found that homozygous carriers of the major A allele of the functional promoter variant rs28386840 displayed a higher rate of ADHD lifetime diagnosis. Moreover, homozygous carriers of the minor T allele of rs3785157 were more likely to develop ADHD and showed higher scores on the CBCL externalizing behavior scales. Additionally, we found that individuals heterozygous for rs3785157 made fewer omission errors in the CPT than homozygotes. This is the first longitudinal study to report associations between specific NET variants and ADHD-related phenotypes during the course of development.
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Affiliation(s)
- Sarah Hohmann
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Erika Hohm
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Jens Treutlein
- Molecular Genetics Laboratory, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Dorothea Blomeyer
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Christine Jennen-Steinmetz
- Department of Biostatistics, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Martin H Schmidt
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Günter Esser
- Department of Psychology, University of Potsdam, Potsdam, Germany
| | - Tobias Banaschewski
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Daniel Brandeis
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany; Department of Child and Adolescent Psychiatry, University of Zurich, Zurich, Switzerland
| | - Manfred Laucht
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany; Department of Psychology, University of Potsdam, Potsdam, Germany.
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