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Neri L, Marziani B, Sebastiani P, Del Beato T, Colanardi A, Legge MP, Aureli A. Aggressiveness in Italian Children with ADHD: MAOA Gene Polymorphism Involvement. Diseases 2024; 12:70. [PMID: 38667528 PMCID: PMC11049508 DOI: 10.3390/diseases12040070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
ADHD is a neurodevelopmental disorder that children and adults can develop. A complex interplay of genetic and environmental factors may underlie interindividual variability in ADHD and potentially related aggressive behavior. Using high-resolution molecular biology techniques, we investigated the impact of some MAOA and SLC6A4 variations on ADHD and aggressive behavior in a group of 80 Italian children with ADHD and in 80 healthy controls. We found that homozygous genotypes of MAOA rs6323 and rs1137070 were associated with an increased risk of ADHD (p = 0.02 and p = 0.03, respectively), whereas the heterozygous genotypes (GT of rs6323 and CT of rs1137030) (p = 0.0002 and p = 0.0006) were strongly linked to a lower risk of developing this disorder. In patients with aggressive behavior, we highlighted only a weak negative association of both MAOA polymorphisms (heterozygous genotypes) with aggressiveness, suggesting that these genotypes may be protective towards specific changes in behavior (p = 0.05). Interestingly, an increase in the GG genotype of rs6323 (p = 0.01) and a decrease in GT genotype (p = 0.0005) was also found in patients without aggressive behavior compared to controls. Regarding 5HTT gene genotyping, no allele and genotype differences have been detected among patients and controls. Our work shows that defining a genetic profile of ADHD may help in the early detection of patients who are more vulnerable to ADHD and/or antisocial and aggressive behavior and to design precision-targeted therapies.
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Affiliation(s)
- Ludovico Neri
- Neurology and Psychiatry Unit for Children and Adolescents, San Salvatore Hospital, via L. Natali, 1, Coppito, 67100 L’Aquila, Italy; (L.N.); (M.P.L.)
| | - Beatrice Marziani
- Emergency Medicine Department, Sant’Anna University Hospital, Via A. Moro, 8, Cona, 44124 Ferrara, Italy;
| | - Pierluigi Sebastiani
- CNR Institute of Translational Pharmacology, Via Carducci 32, 67100 L’Aquila, Italy; (P.S.); (T.D.B.); (A.C.)
| | - Tiziana Del Beato
- CNR Institute of Translational Pharmacology, Via Carducci 32, 67100 L’Aquila, Italy; (P.S.); (T.D.B.); (A.C.)
| | - Alessia Colanardi
- CNR Institute of Translational Pharmacology, Via Carducci 32, 67100 L’Aquila, Italy; (P.S.); (T.D.B.); (A.C.)
| | - Maria Pia Legge
- Neurology and Psychiatry Unit for Children and Adolescents, San Salvatore Hospital, via L. Natali, 1, Coppito, 67100 L’Aquila, Italy; (L.N.); (M.P.L.)
| | - Anna Aureli
- CNR Institute of Translational Pharmacology, Via Carducci 32, 67100 L’Aquila, Italy; (P.S.); (T.D.B.); (A.C.)
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Tan HX, Md Kamal A, Thurairajasingam S, Phipps ME. Addressing Emotional Dysregulation and Potential Pharmacogenetic Implication of 5-HTTLPR Genotype in Attention Deficit Hyperactivity Disorder. Complex Psychiatry 2023; 9:70-88. [PMID: 37404870 PMCID: PMC10315004 DOI: 10.1159/000529732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 02/08/2023] [Indexed: 08/24/2023] Open
Abstract
Background This review unpacks the emotional presentation of externalizing behaviors in attention deficit hyperactivity disorder (ADHD), by diving into the psychophysiology, neurophysiology, and neurogenetics in relation to executive function. The correlations among these three variables are identified, showing that standard assessments for ADHD leave out the emotional dysregulation element. This may lead to suboptimal management outcomes during the developmental progression into adolescence and adulthood. Summary The emotional impulsivity manifestation in adolescence and adulthood related to the under-managed emotional dysregulation in childhood is found to be associated with subtle confounding impact of 5-HTTLPR (serotonin-transporter-linked promoter region) genotype. The genotype of interest affects the neurochemistry, neurophysiology, and psychophysiology of the cognition for executive function. The established practice of using methylphenidate in treating ADHD surprisingly has a neurogenetic effect in targeting the genotype of interest. Methylphenidate provides neuroprotective effects throughout the neurodevelopment timeline from childhood to adulthood. Key Messages The emotional dysregulation element in ADHD which is often overlooked should be addressed to improve the prognostic outcomes in adolescence and adulthood.
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Affiliation(s)
- Hao Xuan Tan
- Medical Education Unit, Jeffrey Cheah School of Medicine and Health Sciences, Monash University (Sunway Campus), Subang Jaya, Malaysia
| | - Adam Md Kamal
- Medical Department, Mackay Hospital and Health Service, Mackay, QLD, Australia
| | | | - Maude Elvira Phipps
- Department of Human Genetics, Jeffrey Cheah School of Medicine and Health Sciences, Monash University (Sunway Campus), Subang Jaya, Malaysia
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Boscutti A, Pigoni A, Delvecchio G, Lazzaretti M, Mandolini GM, Girardi P, Ferro A, Sala M, Abbiati V, Cappucciati M, Bellani M, Perlini C, Rossetti MG, Balestrieri M, Damante G, Bonivento C, Rossi R, Finos L, Serretti A, Brambilla P. The Influence of 5-HTTLPR, BDNF Rs6265 and COMT Rs4680 Polymorphisms on Impulsivity in Bipolar Disorder: The Role of Gender. Genes (Basel) 2022; 13:genes13030482. [PMID: 35328036 PMCID: PMC8954186 DOI: 10.3390/genes13030482] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/28/2022] [Accepted: 03/02/2022] [Indexed: 02/04/2023] Open
Abstract
Impulsivity has been proposed as an endophenotype for bipolar disorder (BD); moreover, impulsivity levels have been shown to carry prognostic significance and to be quality-of-life predictors. To date, reports about the genetic determinants of impulsivity in mood disorders are limited, with no studies on BD individuals. Individuals with BD and healthy controls (HC) were recruited in the context of an observational, multisite study (GECOBIP). Subjects were genotyped for three candidate single-nucleotide polymorphisms (SNPs) (5-HTTLPR, COMT rs4680, BDNF rs6265); impulsivity was measured through the Italian version of the Barratt Impulsiveness Scale (BIS-11). A mixed-effects regression model was built, with BIS scores as dependent variables, genotypes of the three polymorphisms as fixed effects, and centers of enrollment as random effect. Compared to HC, scores for all BIS factors were higher among subjects with euthymic BD (adjusted β for Total BIS score: 5.35, p < 0.001). No significant interaction effect was evident between disease status (HC vs. BD) and SNP status for any polymorphism. Considering the whole sample, BDNF Met/Met homozygosis was associated with lower BIS scores across all three factors (adjusted β for Total BIS score: −10.2, p < 0.001). A significant 5-HTTLPR x gender interaction was found for the SS genotype, associated with higher BIS scores in females only (adjusted β for Total BIS score: 12.0, p = 0.001). Finally, COMT polymorphism status was not significantly associated with BIS scores. In conclusion, BD diagnosis did not influence the effect on impulsivity scores for any of the three SNPs considered. Only one SNP—the BDNF rs6265 Met/Met homozygosis—was independently associated with lower impulsivity scores. The 5-HTTLPR SS genotype was associated with higher impulsivity scores in females only. Further studies adopting genome-wide screening in larger samples are needed to define the genetic basis of impulsivity in BD.
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Affiliation(s)
- Andrea Boscutti
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
| | - Alessandro Pigoni
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda-Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.P.); (G.D.); (M.L.); (G.M.M.); (A.F.); (M.G.R.)
- Social and Affective Neuroscience Group, MoMiLab, IMT School for Advanced Studies Lucca, 55100 Lucca, Italy
| | - Giuseppe Delvecchio
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda-Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.P.); (G.D.); (M.L.); (G.M.M.); (A.F.); (M.G.R.)
| | - Matteo Lazzaretti
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda-Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.P.); (G.D.); (M.L.); (G.M.M.); (A.F.); (M.G.R.)
| | - Gian Mario Mandolini
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda-Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.P.); (G.D.); (M.L.); (G.M.M.); (A.F.); (M.G.R.)
| | - Paolo Girardi
- Department of Developmental Psychology and Socialization, University of Padua, 35131 Padua, Italy; (P.G.); (L.F.)
| | - Adele Ferro
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda-Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.P.); (G.D.); (M.L.); (G.M.M.); (A.F.); (M.G.R.)
| | - Michela Sala
- Mental Health Department, Azienda Sanitaria Locale Alessandria, 15121 Alessandria, Italy;
| | - Vera Abbiati
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy;
| | - Marco Cappucciati
- Department of Mental Health and Substance Abuse, Azienda Sanitaria Locale Piacenza, 29121 Piacenza, Italy;
| | - Marcella Bellani
- Section of Psychiatry, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy;
| | - Cinzia Perlini
- Section of Clinical Psychology, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy;
| | - Maria Gloria Rossetti
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda-Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.P.); (G.D.); (M.L.); (G.M.M.); (A.F.); (M.G.R.)
- Section of Psychiatry, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy;
| | - Matteo Balestrieri
- Psychiatry Unit, Department of Medicine, University of Udine, 33100 Udine, Italy;
| | - Giuseppe Damante
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy;
| | - Carolina Bonivento
- IRCCS “E. Medea”, Polo Friuli-Venezia Giulia, San Vito al Tagliamento, 33078 Pordenone, Italy;
| | - Roberta Rossi
- Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio FBF, 25125 Brescia, Italy;
| | - Livio Finos
- Department of Developmental Psychology and Socialization, University of Padua, 35131 Padua, Italy; (P.G.); (L.F.)
| | - Alessandro Serretti
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, 40123 Bologna, Italy;
| | - Paolo Brambilla
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda-Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.P.); (G.D.); (M.L.); (G.M.M.); (A.F.); (M.G.R.)
- Correspondence:
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Almeida HS, Mitjans M, Arias B, Vieta E, Ríos J, Benabarre A. Genetic differences between bipolar disorder subtypes: A systematic review focused in bipolar disorder type II. Neurosci Biobehav Rev 2020; 118:623-630. [DOI: 10.1016/j.neubiorev.2020.07.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 07/07/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022]
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Li J, Chen Y, Xiang Q, Xiang J, Tang Y, Tang L. 5HTTLPR polymorphism and postpartum depression risk: A meta-analysis. Medicine (Baltimore) 2020; 99:e22319. [PMID: 32991440 PMCID: PMC7523802 DOI: 10.1097/md.0000000000022319] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 08/04/2020] [Accepted: 08/20/2020] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE Postpartum depression (PPD) is an episode of major depressive disorder that affecting women of childbearing age. 5-HTTLPR is 1 of the most extensively investigated polymorphisms in PPD. However, the previous results were inconsistent and inclusive. Hence, we performed a meta-analysis to precisely evaluate the association between 5-HTTLPR polymorphism and PPD susceptibility. METHODS The studies were retrieved through databases including PubMed, web of science, EMASE, and CNKI. The odd ratios (ORs) and 95% confidence interval (CIs) were applied for evaluating the genetic association between 5-HTTLPR (L/S) polymorphism and PPD risk. RESULTS Six studies with 519 cases and 737 controls were enrolled in the present study. The frequencies of allelic (OR = 0.72, 95%CI = 0.60-0.85, P = .0001) and dominant (OR = 0.57, 95%CI = 0.44-0.73, P = .004) models of 5-HTTLPR polymorphism significantly decreased in patients with PPD than those in the healthy controls. Subgroup analysis based on ethnicity revealed that the allelic (OR = 0.71, 95%CI = 0.60-0.85, P = .0001) and dominant (OR = 0.51, 95%CI = 0.32-0.79, P = .003) models of 5-HTTLPR polymorphism were significantly associated with PPD risk in Asian population (P > .05). No evidence was observed between the recessive model of 5-HTTLPR polymorphism and PPD risk (P > .05). CONCLUSIONS The allelic and dominant models of 5-HTTLPR polymorphism might be protective factors for PPD. To confirm these results, larger number of association studies or multicenter case-control studies are necessary in the future.
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Affiliation(s)
- Jianming Li
- Department of Anatomy, Changsha Medical University
- Department of Rehabilitation, Xiangya Boai Rehabilitation Hospital, Changsha
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, China
| | - Yongjun Chen
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, China
| | - Qin Xiang
- Department of Anatomy, Changsha Medical University
- Department of Rehabilitation, Xiangya Boai Rehabilitation Hospital, Changsha
| | - Ju Xiang
- Department of Anatomy, Changsha Medical University
- Department of Rehabilitation, Xiangya Boai Rehabilitation Hospital, Changsha
| | - Yonghong Tang
- Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, China
| | - Liang Tang
- Department of Anatomy, Changsha Medical University
- Department of Rehabilitation, Xiangya Boai Rehabilitation Hospital, Changsha
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Tang L, Li J, Luo H, Bao M, Xiang J, Chen Y, Wang Y. The association of 5HT2A and 5HTTLPR polymorphisms with Alzheimer’s disease susceptibility: a meta-analysis with 6945 subjects. Oncotarget 2018; 9:15077-15089. [PMID: 29599928 PMCID: PMC5871099 DOI: 10.18632/oncotarget.23611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 11/15/2017] [Indexed: 11/25/2022] Open
Abstract
Alzheimer’s disease (AD) is a progressive neurodegenerative disease. Relationships of 5HT2A and 5HTTLPR polymorphisms and AD risk have been widely investigated previously, whereas results derived from these studies were inconclusive and controversial. The aim of this study was to investigate the association of the 5-HT2A and 5HTTLPR polymorphisms and AD using a meta-analysis of existing literatures. Studies were collected using PubMed, Web of Science, the Cochrane Library databases, Chinese National Knowledge Infrastructure (CNKI) and Embase. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess associations. As a result, a total of 7 publications for 5-HT2A T102C and 16 publications for 5HTTLPR (L/S) comprised 3255 cases and 3690 controls fulfilled the inclusion criteria. Significant association was covered between allelic and recessive models of 5-HT2A T102C and AD (allelic model: p = 0.003, OR [95% CI] = 1.23 [1.07, 1.40]; recessive model: p = 0.03, OR [95% CI] = 1.28 [1.02, 1.59]). Subsequently, we conducted subgroup analysis for 5-HT2A T102C polymorphism based on ethnicities and APOE ε4, and identified a significantly increased risk for the allelic and dominant models of 5-HT2A T102C and AD in Asian subgroup (allelic model: p = 0.002, OR [95% CI] = 1.42 [1.14, 1.78]; dominant model: p = 0.02, OR [95% CI] = 1.60 [1.09, 2.35]) and subgroup without APOE ε4 (allelic model: p = 0.02, OR [95% CI] = 1.44 [1.05, 1.99]; dominant model: p = 0.0008, OR [95% CI] = 2.49 [1.46, 4.25]). Nevertheless, the pooled analyses suggested no significant association between allelic, dominant, and recessive models of 5HTTLPR (L/S) and AD (p > 0.05). In conclusion, our meta-analysis demonstrates that 5HT2A C10T, but not 5HTTLPR (L/S), might increase risk for AD.
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Affiliation(s)
- Liang Tang
- Department of Human Anatomy, Histology and Embryology, Institute of Neuroscience, Changsha Medical University, Changsha, PR China
- School of Basic Medical Science, Changsha Medical University, Changsha, PR China
| | - Jianming Li
- Department of Human Anatomy, Histology and Embryology, Institute of Neuroscience, Changsha Medical University, Changsha, PR China
- Department of Neurology, Xiang-Ya Hospital, Central South University, Changsha City, Hunan Province, PR China
| | - Huaiqing Luo
- Department of Human Anatomy, Histology and Embryology, Institute of Neuroscience, Changsha Medical University, Changsha, PR China
- School of Basic Medical Science, Changsha Medical University, Changsha, PR China
| | - Meihua Bao
- Department of Human Anatomy, Histology and Embryology, Institute of Neuroscience, Changsha Medical University, Changsha, PR China
- School of Basic Medical Science, Changsha Medical University, Changsha, PR China
| | - Ju Xiang
- Department of Human Anatomy, Histology and Embryology, Institute of Neuroscience, Changsha Medical University, Changsha, PR China
- School of Basic Medical Science, Changsha Medical University, Changsha, PR China
| | - Yiwei Chen
- Department of Human Anatomy, Histology and Embryology, Institute of Neuroscience, Changsha Medical University, Changsha, PR China
- School of Basic Medical Science, Changsha Medical University, Changsha, PR China
| | - Yan Wang
- Department of Human Anatomy, Histology and Embryology, Institute of Neuroscience, Changsha Medical University, Changsha, PR China
- School of Basic Medical Science, Changsha Medical University, Changsha, PR China
- Experiment Center for Function, Changsha Medical University, Changsha, PR China
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