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Dignam JP, Sharma S, Stasinopoulos I, MacLean MR. Pulmonary arterial hypertension: Sex matters. Br J Pharmacol 2024; 181:938-966. [PMID: 37939796 DOI: 10.1111/bph.16277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 11/10/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a complex disease of multifactorial origin. While registries have demonstrated that women are more susceptible to the disease, females with PAH have superior right ventricle (RV) function and a better prognosis than their male counterparts, a phenomenon referred to as the 'estrogen paradox'. Numerous pre-clinical studies have investigated the involvement of sex hormones in PAH pathobiology, often with conflicting results. However, recent advances suggest that abnormal estrogen synthesis, metabolism and signalling underpin the sexual dimorphism of this disease. Other sex hormones, such as progesterone, testosterone and dehydroepiandrosterone may also play a role. Several non-hormonal factor including sex chromosomes and epigenetics have also been implicated. Though the underlying pathophysiological mechanisms are complex, several compounds that modulate sex hormones levels and signalling are under investigation in PAH patients. Further elucidation of the estrogen paradox will set the stage for the identification of additional therapeutic targets for this disease.
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Affiliation(s)
- Joshua P Dignam
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
| | - Smriti Sharma
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
| | - Ioannis Stasinopoulos
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
- Mass Spectrometry Core, Edinburgh Clinical Research Facility, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, Scotland, UK
| | - Margaret R MacLean
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, Scotland, UK
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Geraci F, Passiatore R, Penzel N, Laudani S, Bertolino A, Blasi G, Graziano ACE, Kikidis GC, Mazza C, Parihar M, Rampino A, Sportelli L, Trevisan N, Drago F, Papaleo F, Sambataro F, Pergola G, Leggio GM. Sex dimorphism controls dysbindin-related cognitive dysfunctions in mice and humans with the contribution of COMT. Mol Psychiatry 2024:10.1038/s41380-024-02527-3. [PMID: 38532008 DOI: 10.1038/s41380-024-02527-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024]
Abstract
Cognitive dysfunctions are core-enduring symptoms of schizophrenia, with important sex-related differences. Genetic variants of the DTBPN1 gene associated with reduced dysbindin-1 protein (Dys) expression negatively impact cognitive functions in schizophrenia through a functional epistatic interaction with Catechol-O-methyltransferase (COMT). Dys is involved in the trafficking of dopaminergic receptors, crucial for prefrontal cortex (PFC) signaling regulation. Moreover, dopamine signaling is modulated by estrogens via inhibition of COMT expression. We hypothesized a sex dimorphism in Dys-related cognitive functions dependent on COMT and estrogen levels. Our multidisciplinary approach combined behavioral-molecular findings on genetically modified mice, human postmortem Dys expression data, and in vivo fMRI during a working memory task performance. We found cognitive impairments in male mice related to genetic variants characterized by reduced Dys protein expression (pBonferroni = 0.0001), as well as in male humans through a COMT/Dys functional epistatic interaction involving PFC brain activity during working memory (t(23) = -3.21; pFDR = 0.004). Dorsolateral PFC activity was associated with lower working memory performance in males only (p = 0.04). Also, male humans showed decreased Dys expression in dorsolateral PFC during adulthood (pFDR = 0.05). Female Dys mice showed preserved cognitive performances with deficits only with a lack of estrogen tested in an ovariectomy model (pBonferroni = 0.0001), suggesting that genetic variants reducing Dys protein expression could probably become functional in females when the protective effect of estrogens is attenuated, i.e., during menopause. Overall, our results show the differential impact of functional variants of the DTBPN1 gene interacting with COMT on cognitive functions across sexes in mice and humans, underlying the importance of considering sex as a target for patient stratification and precision medicine in schizophrenia.
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Affiliation(s)
- Federica Geraci
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy
| | - Roberta Passiatore
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, 21205, Baltimore, MD, USA
| | - Nora Penzel
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
| | - Samuele Laudani
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy
| | - Alessandro Bertolino
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
- Psychiatric Unit - University Hospital, 70124, Bari, Italy
| | - Giuseppe Blasi
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
- Psychiatric Unit - University Hospital, 70124, Bari, Italy
| | - Adriana C E Graziano
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy
| | - Gianluca C Kikidis
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, 21205, Baltimore, MD, USA
| | - Ciro Mazza
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
| | - Madhur Parihar
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, 21205, Baltimore, MD, USA
| | - Antonio Rampino
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
- Psychiatric Unit - University Hospital, 70124, Bari, Italy
| | - Leonardo Sportelli
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, 21205, Baltimore, MD, USA
- Department of Human Genetics, Radboud University Nijmegen, 6525 GD, Nijmegen, The Netherlands
| | - Nicolò Trevisan
- Department of Neuroscience (DNS), University of Padova, 35121, Padova, Italy
| | - Filippo Drago
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy
| | - Francesco Papaleo
- Genetics of Cognition Laboratory, Neuroscience area, Istituto Italiano di Tecnologia, Genova, Italy
| | - Fabio Sambataro
- Department of Neuroscience (DNS), University of Padova, 35121, Padova, Italy
| | - Giulio Pergola
- Department of Translational Biomedicine and Neuroscience, University of Bari Aldo Moro, 70124, Bari, Italy
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, 21205, Baltimore, MD, USA
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, 21205, Baltimore, MD, USA
| | - Gian Marco Leggio
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy.
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Recław R, Chmielowiec K, Suchanecka A, Boroń A, Chmielowiec J, Strońska-Pluta A, Kowalski MT, Masiak J, Trybek G, Grzywacz A. The Influence of Genetic Polymorphic Variability of the Catechol-O-methyltransferase Gene in a Group of Patients with a Diagnosis of Behavioural Addiction, including Personality Traits. Genes (Basel) 2024; 15:299. [PMID: 38540358 PMCID: PMC10969953 DOI: 10.3390/genes15030299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 02/24/2024] [Accepted: 02/24/2024] [Indexed: 04/02/2024] Open
Abstract
Gambling Disorder (GD) is characterised by a harmful, enduring, and recurrent involvement in betting-related behaviours. Therefore, GD shares similar biological mechanisms and symptoms to substance use disorders (SUD). Therefore, in this study, we chose the behavioural addictions group. During the examination and recruitment to the study, it turned out that all the people undergoing treatment for gambling addiction were also addicted to amphetamines, which is consistent with the biological mechanism related to cerebral neurotransmission. The aim of the study was to investigate the association of the COMT gene polymorphism with behavioral addiction. The study group consisted of 307 participants: 107 men with gambling disorder and amphetamine dependency (mean age = 27.51, SD = 5.25) and 200 non-addicted, nor dependent, free from neuro-psychiatric disorders control group men (mean age = 20.20, SD = 4.51). Both groups were subjected to psychometric evaluation using the State-Trait Anxiety Inventory and the NEO Five-Factor Personality Inventory. Genomic DNA was extracted from venous blood following standard protocols. Determination of the rs4680 polymorphism in the COMT gene was performed using the real-time PCR technique. Statistically significant differences in the frequency of rs4680 genotypes were found in the tested sample of subjects compared with the control group (p = 0.03543). Subjects with gambling disorder and amphetamine use disorder compared to the control group obtained higher scores in the assessment of the STAI trait scale (p = 0.0019), state scale (p < 0.0000), and NEO-FFI Neuroticism scale (p < 0.0000). Significantly lower results were obtained for the NEO-FFI Agreeability scale (p < 0.0000). Additionally, a significant statistical impact of gambling disorder and amphetamine use disorder, and the COMT rs4680 genotype was demonstrated for the score of the STAI trait (p = 0.0351) and state (p = 0.0343) and the NEO-FFI Conscientiousness scale (p = 0.0018). We conclude that COMT and its polymorphic variant influence the development of addiction. Still, considering its multifactorial and polygenic nature, it should be combined with other factors such as personality.
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Affiliation(s)
- Remigiusz Recław
- Foundation Strong in the Spirit, 60 Sienkiewicza St., 90-058 Łódź, Poland;
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Aleksandra Suchanecka
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Agnieszka Boroń
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Aleja Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland;
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Aleksandra Strońska-Pluta
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Michał Tomasz Kowalski
- Clinical Department of Cardiology, Nowa Sól Multidisciplinary Hospital, 67-100 Nowa Sol, Poland;
| | - Jolanta Masiak
- II Department of Psychiatry and Psychiatric Rehabilitation, Medical University of Lublin, 1 Głuska St., 20-059 Lublin, Poland;
| | - Grzegorz Trybek
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland;
- Maxillofacial Surgery Clinic, 4th Military Clinical Hospital in Wroclaw, ul. Rudolfa Weigla 5, 50-981 Wrolaw, Poland
| | - Anna Grzywacz
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
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Doyle MR, Dirik S, Martinez AR, Hughes TE, Iyer MR, Sneddon EA, Seo H, Cohen SM, de Guglielmo G. Catechol-O-Methyltransferase inhibition and alcohol use disorder: Evaluating the efficacy of tolcapone in ethanol-dependent rats. Neuropharmacology 2024; 242:109770. [PMID: 37858886 PMCID: PMC10873029 DOI: 10.1016/j.neuropharm.2023.109770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/05/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
Alcohol Use Disorder (AUD) is a significant public health issue in the United States. It affects millions of individuals and their families and contributes to substantial societal and economic burdens. Despite the availability of some pharmacological treatments, there is still a pressing need to develop more effective therapeutic strategies to address the diverse range of symptoms and challenges associated with AUD. Catechol-O-methyltransferase (COMT) inhibition recently emerged as a promising new approach to treating AUD due to its potential to improve cognitive effects commonly associated with AUD. Tolcapone, an FDA-approved COMT inhibitor, has shown some promise for treating AUD; however, its ability to decrease drinking in ethanol-dependent rats has not been well-established. In this study, we evaluated the effects of tolcapone on operant, oral ethanol self-administration in non-dependent and dependent rats, and in rats that self-administered oral saccharin. To induce dependence, rats underwent the chronic intermittent exposure to vapor model, and their drinking levels were assessed during acute withdrawal from ethanol. Our results demonstrated that tolcapone attenuated responding for ethanol in dependent rats only, without affecting self-administration in non-dependent rats or rats self-administering saccharin. Moreover, we found that tolcapone was differentially effective in different estrous phases in female rats. These findings suggest that COMT inhibition, specifically using tolcapone, may be a valuable pharmacotherapy for treating AUD, particularly in individuals who are physically dependent on alcohol. Further research is needed to elucidate the precise mechanisms underlying the observed effects and to assess the potential of COMT inhibitors in a broader population of individuals with AUD.
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Affiliation(s)
- Michelle R Doyle
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA; The Scripps Research Institute, La Jolla, CA, USA.
| | - Selen Dirik
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Angelica R Martinez
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Talyn E Hughes
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Mohini R Iyer
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Elizabeth A Sneddon
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Hyeonglim Seo
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
| | - Seth M Cohen
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
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Šanjug J, Kuna K, Goldštajn MŠ, Dunkić LF, Carek A, Negovetić Vranić D. Relationship between COMT Gene Polymorphism, Anxiety, and Pain Perception during Labour. J Clin Med 2023; 12:6298. [PMID: 37834942 PMCID: PMC10573766 DOI: 10.3390/jcm12196298] [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: 08/23/2023] [Revised: 09/22/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND The COMT gene polymorphism is associated with neurological and psychiatric disorders and pain perception. The present study investigates the existence of anxiety and pain perception in relation to the COMT (catechol-O-methyltransferase) gene polymorphism in labouring women (during "natural" childbirth) with or without inhaled analgesia. METHODS A total of 181 women who chose vaginal birth were enrolled in this study. To present the difference in pain perception, the parturients were divided into one group (n = 90) that chose labour analgesia with inhaled nitrous oxide (50% nitrous oxide and 50% oxygen) and one group (n = 91) without analgesia. The blood samples were taken during the pregnancy as a part of routine pregnancy controls in the hospital. The COMT gene polymorphism was detected with the PCR technique. The pain perception of parturients was self-evaluated two times according to the VAS (Visual Analogue Scale), and anxiety as a personality trait was determined with the STAI-T (State Trait Anxiety Inventory). Pain perception as well as anxiety were compared according to COMT genotypes. RESULTS In the 181 pregnant women, there were 40 women (22%) of wild homozygotes (GG) of COMT, 95 women (53%) of mutant heterozygotes (GA), and 46 women (25%) of mutant homozygotes (AA). A negative association of pain perception with the GA (mutant heterozygote) polymorphism of the COMT gene versus the wild-type (GG polymorphism) was observed. The GA polymorphism of the COMT gene was associated with 0.46 units lower pain perception compared to the wild type (GG). The anxiety trait score in group AA was lower than in groups GA and GG. The difference reached statistical significance only when comparing AA versus GA (p > 0.042). Analgesic efficacy of nitrous oxide was noticed in 22% of labouring women who reported moderate pain (VAS score 4-7). CONCLUSIONS The COMT gene polymorphism was associated with pain perception and anxiety among parturients. The COMT gene polymorphism GA was associated with negative pain perception among labouring women. Nitrous oxide showed statistical significance in anxiolytic efficacy during labour in women with mild anxiety as a personality trait. Anxiolytic efficacy of nitrous oxide has shown better efficacy in parturients with the COMT gene polymorphism AA.
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Affiliation(s)
- Jadranka Šanjug
- Department of Gynaecology and Obstetrics, General Hospital Zabok and War Veterans’ Hospital, Bračak 8, 49210 Zabok, Croatia
| | - Krunoslav Kuna
- Department of Gynaecology and Obstetrics, Sestre Milosrdnice University Hospital Centre, 10000 Zagreb, Croatia;
| | - Marina Šprem Goldštajn
- Department of Obstetrics and Gynecology, Clinical Hospital Center Zagreb, 10000 Zagreb, Croatia
| | - Lidija Fumić Dunkić
- Division of Anesthesiology, Intensive Care and Pain Medicine, Sestre Milosrdnice University Hospital Center, 10000 Zagreb, Croatia;
| | - Andreja Carek
- Department of Fixed Prosthodontics, School of Dental Medicine, University of Zagreb, Gunduliceva 5, 10000 Zagreb, Croatia
| | - Dubravka Negovetić Vranić
- Department of Pediatric Dentistry, School of Dental Medicine, University of Zagreb, Gunduliceva 5, 10000 Zagreb, Croatia
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Mamoun Abdelmageid S, Mousa Alamir F, Yousif Abdelrahman H, Mohamed Abushama H. Association of COMT Val158Met Polymorphism with Fibromyalgia in Khartoum State, Sudan. Pain Res Manag 2023; 2023:7313578. [PMID: 37305098 PMCID: PMC10257546 DOI: 10.1155/2023/7313578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 02/19/2023] [Accepted: 03/24/2023] [Indexed: 06/13/2023]
Abstract
Fibromyalgia (FM) is a disorder characterized by chronic musculoskeletal pain, fatigue, and cognitive problems. Neurotransmitters, mainly catecholamines, appear to be involved in regulating the etiology of FM. Catechol-O-methyltransferase (COMT) is involved in catabolizing catecholamines such as norepinephrine. The most common variant studied in the COMT gene is the valine (Val) to methionine (Met) substitution at codon 158. This is the first study in Sudan addressing FM cases and genetic susceptibility to the disease. We aimed in this study to investigate the frequency of COMT Val 158 Met polymorphism among patients with FM, rheumatoid arthritis, and in healthy individuals. Genomic DNA from forty female volunteers was analyzed: twenty were from primary and secondary FM patients, ten were from rheumatoid arthritis patients, and ten were from healthy control. FM patients' age was ranging from 25 years to 55 with a mean of 41.14 ± 8.90. The mean age of the rheumatoid arthritis patients and healthy individuals was 31.3 ± 7.5 and 38.6 ± 11.2, respectively. Samples were genotyped for COMT single nucleotide polymorphism rs4680 (Val158Met), using the amplification-refractory mutation system (ARMS-PCR). Genotyping data have been analyzed using the Chi-square and Fisher exact test. The most common genotype among the study participants was the heterozygous Val/Met found in all participants. It was the only genotype found in the healthy participants. The genotype Met/Met was found only in FM patients. The genotype Val/Val was found only in rheumatoid patients. Analyses have shown no association between the Met/Met genotype and FM, and this could be due to a small sample size. In a larger sample size, a significant association could be found as this genotype was shown only by FM patients. Moreover, the Val/Val genotype, which is shown only among rheumatoid patients, might protect them from developing FM symptoms.
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Affiliation(s)
| | - Faisal Mousa Alamir
- Department of Zoology, Faculty of Science, University of Khartoum, Khartoum, Sudan
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Janacova L, Stenckova M, Lapcik P, Hrachovinova S, Bouchalova P, Potesil D, Hrstka R, Müller P, Bouchal P. Catechol-O-methyl transferase suppresses cell invasion and interplays with MET signaling in estrogen dependent breast cancer. Sci Rep 2023; 13:1285. [PMID: 36690660 PMCID: PMC9870911 DOI: 10.1038/s41598-023-28078-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 01/12/2023] [Indexed: 01/25/2023] Open
Abstract
Catechol-O-methyl transferase (COMT) is involved in detoxification of catechol estrogens, playing cancer-protective role in cells producing or utilizing estrogen. Moreover, COMT suppressed migration potential of breast cancer (BC) cells. To delineate COMT role in metastasis of estrogen receptor (ER) dependent BC, we investigated the effect of COMT overexpression on invasion, transcriptome, proteome and interactome of MCF7 cells, a luminal A BC model, stably transduced with lentiviral vector carrying COMT gene (MCF7-COMT). 2D and 3D assays revealed that COMT overexpression associates with decreased cell invasion (p < 0.0001 for Transwell assay, p < 0.05 for spheroid formation). RNA-Seq and LC-DIA-MS/MS proteomics identified genes associated with invasion (FTO, PIR, TACSTD2, ANXA3, KRT80, S100P, PREX1, CLEC3A, LCP1) being downregulated in MCF7-COMT cells, while genes associated with less aggressive phenotype (RBPMS, ROBO2, SELENBP, EPB41L2) were upregulated both at transcript (|log2FC|> 1, adj. p < 0.05) and protein (|log2FC|> 0.58, q < 0.05) levels. Importantly, proteins driving MET signaling were less abundant in COMT overexpressing cells, and pull-down confirmed interaction between COMT and Kunitz-type protease inhibitor 2 (SPINT2), a negative regulator of MET (log2FC = 5.10, q = 1.04-7). In conclusion, COMT may act as tumor suppressor in ER dependent BC not only by detoxification of catechol estrogens but also by suppressing cell invasion and interplay with MET pathway.
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Affiliation(s)
- Lucia Janacova
- Department of Biochemistry, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic
| | - Michaela Stenckova
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Petr Lapcik
- Department of Biochemistry, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic
| | - Sarka Hrachovinova
- Department of Biochemistry, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic
| | - Pavla Bouchalova
- Department of Biochemistry, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic
| | - David Potesil
- Proteomics Core Facility, Central European Institute for Technology, Masaryk University, Brno, Czech Republic
| | - Roman Hrstka
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Petr Müller
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Pavel Bouchal
- Department of Biochemistry, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic.
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Powell-Roach KL, Yao Y, Wallace MR, Chamala S, Cruz-Almeida Y, Jhun E, Molokie RE, Wang ZJ, Wilkie DJ. HUMAN STUDY COMT and DRD3 haplotype-associated pain intensity and acute care utilization in adult sickle cell disease. Exp Biol Med (Maywood) 2022; 247:1601-1608. [PMID: 35285297 PMCID: PMC9554168 DOI: 10.1177/15353702221080716] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
A previous exploratory analysis of a COMT gene single-nucleotide polymorphism (SNP) and a DRD3 SNP by our group suggested possible contributions to pain-related acute care utilization in people with sickle cell disease (SCD). Our aim was to extend the analysis to gene-spanning haplotypes of COMT SNPs and DRD3 SNPs to investigate possible associations with pain intensity and pain-related acute care utilization in an SCD cohort. Genotyping was conducted, and clinical data were collected, including self-reported pain intensity using PAINReportIt® (average of current pain and least and worst in past 24 hours, average pain intensity [API]) and medical record-extracted, pain-related acute care utilization data of 130 adults with SCD. Haplotype blocks were identified based on linkage disequilibria (COMT = 7 haploblocks; DRD3 = 8 haploblocks). Regression analyses were tested for association between haplotypes and API and utilization, yielding several significant findings. For COMT block 1 (rs2075507, rs4646310, rs737865), the A-G-G haplotype was associated with higher API compared to the reference A-G-A (p = 0.02), whereas the A-A-A haplotype was associated with higher utilization (p = 0.02). For DRD3 block 2 (rs9817063, rs2134655, rs963468, and rs3773679), relative to reference T-C-G-C, the T-T-G-C haplotype was associated with higher utilization (p = 0.01). For DRD3 block 4 (rs167770, rs324029, and rs324023), the A-G-T haplotype was associated with higher API (p = 0.04) and utilization (p < 0.001) relative to reference G-A-T, whereas the A-A-T haplotype was associated with higher utilization (p = 0.01). We found COMT and DRD3 haplotypes associated with pain-related SCD features, suggesting that in future studies more emphasis be placed on cis effects of SNP alleles in evaluating genetic contributions to SCD pain and acute care utilization for pain.
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Affiliation(s)
- Keesha L Powell-Roach
- Department of Health Promotion and Disease Prevention, College of Nursing, The University of Tennessee Health Science Center, Memphis, TN 38163, USA,Department of Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL 32603, USA,Pain Research and Intervention Center of Excellence (PRICE), University of Florida, Gainesville, FL 32610, USA,Keesha L Powell-Roach.
| | - Yingwei Yao
- Department of Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL 32603, USA
| | - Margaret R Wallace
- Department of Molecular Genetics and Microbiology, College of Medicine, University of Florida, Gainesville, FL 32610, USA,University of Florida Genetics Institute, Gainesville, FL 32608, USA
| | - Srikar Chamala
- Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Yenisel Cruz-Almeida
- Pain Research and Intervention Center of Excellence (PRICE), University of Florida, Gainesville, FL 32610, USA,College of Dentistry, University of Florida, Gainesville, FL 32610, USA
| | - Ellie Jhun
- Clinical Development Team, OneOme, LLC, Minneapolis, MN 55413, USA
| | - Robert E Molokie
- Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA,Jesse Brown VA Medical Center, Chicago, IL 60612, USA
| | - Zajie Jim Wang
- Department of Biopharmaceutical Sciences, College of Pharmacy, University of Illinois, Chicago, IL 60612, USA
| | - Diana J Wilkie
- Department of Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL 32603, USA
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Xavier J, Bastos CR, Camerini L, Amaral PB, Jansen K, de Mattos Souza LD, da Silva RA, Pinheiro RT, Lara DR, Ghisleni G. Interaction between COMT Val 158 Met polymorphism and childhood trauma predicts risk for depression in men. Int J Dev Neurosci 2022; 82:385-396. [PMID: 35441426 DOI: 10.1002/jdn.10186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 02/28/2022] [Accepted: 04/03/2022] [Indexed: 11/08/2022] Open
Abstract
Depression is a disabling illness with complex etiology. While the Catechol-O-Methyltransferase (COMT) gene, in particular the functional Val158 Met polymorphism, has been related to depression, the mechanisms underlying this gene-disease association are not completely understood. Therefore, we explore the association of COMT Val158 Met polymorphism with depression as well as its interaction with childhood trauma in 1,136 young adults from a population-based study carried out in the city of Pelotas-Brazil. The diagnosis was performed through the Mini International Neuropsychiatric Interview 5.0 (MINI 5.0), and trauma was assessed with the childhood trauma questionnaire (CTQ). Total DNA was extracted and genotyped by real-time PCR and the QTLbase dataset was queried to perform large-scale quantitative trait locus (QTL) analysis. Our research showed no direct association between the Val158 Met polymorphism and the diagnosis of depression (women: χ2=0.10, d=1, p=0.751 and men: χ2=0.003, df=1 p=0.956). However, the Met-allele of the Val158 Met polymorphism modified the effect of childhood trauma in men [OR=2.58 (95% CI:1.05-6.29); p=0.038] conferring risk for depression only on those who suffer from trauma. The conditional effect from moderation analysis showed that trauma impacts the risk of depression only in men carrying the Met-allele (Effect: 0.9490, Standard Error (SE): 0.2570; p=0.0002). QTLbase and dataset for Val158 Met polymorphism were consistent for markers that influence chromatin accessibility transcription capacity including histone methylation and acetylation. The changes caused in gene regulation by childhood trauma exposure and polymorphism may serve as evidence of the mechanism whereby the interaction increases susceptibility to this disorder in men.
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Affiliation(s)
- Janaína Xavier
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Clarissa Ribeiro Bastos
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Laísa Camerini
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Paola Bajadares Amaral
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Karen Jansen
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Luciano Dias de Mattos Souza
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Ricardo Azevedo da Silva
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Ricardo Tavares Pinheiro
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Diogo Rizzato Lara
- Department of Cellular and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Gabriele Ghisleni
- Center of Health Sciences, Post-Graduation Program of Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
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10
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Li W, Zhang Q, Cai Y, Chen T, Cheng H. The COMT Genetic Factor Regulates Chemotherapy-Related Prospective Memory Impairment in Survivors With HER2-/+ Breast Cancer. Front Oncol 2022; 12:816923. [PMID: 35211407 PMCID: PMC8861381 DOI: 10.3389/fonc.2022.816923] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 01/12/2022] [Indexed: 12/19/2022] Open
Abstract
Background Previous findings indicated that polymorphism in gene catechol-O-methyltransferase (COMT) had been linked to chemotherapy-related cognitive impairment (CRCI). Nevertheless, the motivation of COMT polymorphisms in regulating cognitive impairment in breast cancer survivors with disparate status of human epidermal growth factor receptor 2 (HER2) was still vague. Objective The current research aimed to evaluate the regulation of the risk by COMT genotype on CRCI in breast cancer survivors with disparate status of HER2. Methods Breast cancer survivors (103 with HER2− and 118 with HER2+) underwent neuropsychological tests before and after chemotherapy, containing event- and time-based prospective memory (EBPM and TBPM). Three single-nucleotide polymorphisms (SNPs) were estimated by providing peripheral blood, containing COMT (rs165599, rs737865, and rs4680). Results The EBPM and TBPM performances was lower as compared with these before chemotherapy (z = −7.712, z = −2.403, respectively, p < 0.01). Furthermore, the EBPM and TBPM performances of HER2− group survivors were lower than those of HER2+ group survivors after chemotherapy (z = −7.181, p < 0.01; z = −2.205 p < 0.05, respectively). The survivors with COMT (rs165599) A/A genotype carriers had a meaningfully poorer chance of memory descend [dominant model: adjusted, OR = 2.21, CI (95%) = 1.156–4.225, p = 0.016] and showed better on TBPM test, relative to G/G genotype. Patients with the COMT (rs737865) A/G and G/G genotype showed protective function than the patients with the A/A and performed better on MMSE and TBPM tests. Conclusion The types of HER2 may be correlated to chemotherapy-related prospective memory impairments in breast cancer survivors. Furthermore, the COMT (rs165599, rs737865) polymorphisms were correlated to the risk of TBPM decline scores and possibly be a potential genetic identifying for increasing risk of CRCI in breast cancer patients with disparate status of HER2.
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Affiliation(s)
- Wen Li
- Cancer Treatment Center, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Qianqian Zhang
- Cancer Treatment Center, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yinlian Cai
- Cancer Treatment Center, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Tingting Chen
- Cancer Treatment Center, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Huaidong Cheng
- Cancer Treatment Center, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
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11
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Philipe de Souza Ferreira L, André da Silva R, Marques Mesquita da Costa M, Moraes de Paiva Roda V, Vizcaino S, Janisset NRLL, Ramos Vieira R, Marcos Sanches J, Maria Soares Junior J, de Jesus Simões M. Sex differences in Parkinson's Disease: An emerging health question. Clinics (Sao Paulo) 2022; 77:100121. [PMID: 36194924 PMCID: PMC9530834 DOI: 10.1016/j.clinsp.2022.100121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/01/2022] [Accepted: 09/19/2022] [Indexed: 12/05/2022] Open
Affiliation(s)
- Luiz Philipe de Souza Ferreira
- Structural and Functional Biology Graduate Program, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM/UNIFESP), São Paulo, SP, Brazil.
| | - Rafael André da Silva
- Biosciences Graduate Program, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista (IBILCE/UNESP), São José do Rio Preto, SP, Brazil
| | | | - Vinicius Moraes de Paiva Roda
- Life Systems Biology Graduate Program, Instituto de Ciências Biomédicas, Universidade de São Paulo (ICB/USP), São Paulo, SP, Brazil
| | - Santiago Vizcaino
- Department of Ophthalmology, University of Texas Southwestern Medical Center, Dallas, United States
| | - Nilma R L L Janisset
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM/UNIFESP), São Paulo, SP, Brazil
| | - Renata Ramos Vieira
- Structural and Functional Biology Graduate Program, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM/UNIFESP), São Paulo, SP, Brazil
| | - José Marcos Sanches
- Department of Ophthalmology, University of Texas Southwestern Medical Center, Dallas, United States
| | - José Maria Soares Junior
- Department of Obstetrics and Gynecology, Faculdade de Medicina, Universidade de São Paulo (FMUSP), São Paulo, SP, Brazil
| | - Manuel de Jesus Simões
- Structural and Functional Biology Graduate Program, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM/UNIFESP), São Paulo, SP, Brazil
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12
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Sheldon RS, Gerull B. Genetic markers of vasovagal syncope. Auton Neurosci 2021; 235:102871. [PMID: 34474354 DOI: 10.1016/j.autneu.2021.102871] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/10/2021] [Accepted: 08/22/2021] [Indexed: 12/18/2022]
Abstract
Vasovagal syncope may have a genetic predisposition. It has a high prevalence in some families, and children of a fainting parent are more likely to faint than those without a parent who faints. Having two fainting parents or a fainting twin increases the likelihood even further. Several genotypes appear to associate with the phenotype of positive tilt tests, but the control subjects are usually those who faint and have negative tilt tests. Twin studies, highly focused genome-wide association studies, and copy number variation studies all suggest there are loci in the genome that associate with vasovagal syncope, although the specific genes, pathways, and proteins are unknown. A recent multigenerational kindred candidate gene study identified 3 genes that associate with vasovagal syncope. The best evidence to date is for central signaling genes involving serotonin and dopamine. Genome-wide association studies to date have not yet been helpful. Our understanding of the genetic correlates of vasovagal syncope leaves ample opportunity for future work.
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Affiliation(s)
- Robert S Sheldon
- Libin Cardiovascular Institute, University of Calgary, Calgary, Canada; Department of Internal Medicine I and Comprehensive Heart Failure Center, University of Würzburg, Germany.
| | - Brenda Gerull
- Libin Cardiovascular Institute, University of Calgary, Calgary, Canada; Department of Internal Medicine I and Comprehensive Heart Failure Center, University of Würzburg, Germany
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13
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Carmichael J, Hicks AJ, Spitz G, Gould KR, Ponsford J. Moderators of gene-outcome associations following traumatic brain injury. Neurosci Biobehav Rev 2021; 130:107-124. [PMID: 34411558 DOI: 10.1016/j.neubiorev.2021.08.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 07/04/2021] [Accepted: 08/13/2021] [Indexed: 12/14/2022]
Abstract
The field of genomics is the principal avenue in the ongoing development of precision/personalised medicine for a variety of health conditions. However, relating genes to outcomes is notoriously complex, especially when considering that other variables can change, or moderate, gene-outcome associations. Here, we comprehensively discuss moderation of gene-outcome associations in the context of traumatic brain injury (TBI), a common, chronically debilitating, and costly neurological condition that is under complex polygenic influence. We focus our narrative review on single nucleotide polymorphisms (SNPs) of three of the most studied genes (apolipoprotein E, brain-derived neurotrophic factor, and catechol-O-methyltransferase) and on three demographic variables believed to moderate associations between these SNPs and TBI outcomes (age, biological sex, and ethnicity). We speculate on the mechanisms which may underlie these moderating effects, drawing widely from biomolecular and behavioural research (n = 175 scientific reports) within the TBI population (n = 72) and other neurological, healthy, ageing, and psychiatric populations (n = 103). We conclude with methodological recommendations for improved exploration of moderators in future genetics research in TBI and other populations.
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Affiliation(s)
- Jai Carmichael
- Monash-Epworth Rehabilitation Research Centre, Epworth HealthCare, Melbourne, Australia; Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.
| | - Amelia J Hicks
- Monash-Epworth Rehabilitation Research Centre, Epworth HealthCare, Melbourne, Australia; Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia
| | - Gershon Spitz
- Monash-Epworth Rehabilitation Research Centre, Epworth HealthCare, Melbourne, Australia; Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia
| | - Kate Rachel Gould
- Monash-Epworth Rehabilitation Research Centre, Epworth HealthCare, Melbourne, Australia; Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia
| | - Jennie Ponsford
- Monash-Epworth Rehabilitation Research Centre, Epworth HealthCare, Melbourne, Australia; Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia
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14
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Diekhof EK, Geana A, Ohm F, Doll BB, Frank MJ. The Straw That Broke the Camel's Back: Natural Variations in 17β-Estradiol and COMT-Val158Met Genotype Interact in the Modulation of Model-Free and Model-Based Control. Front Behav Neurosci 2021; 15:658769. [PMID: 34305543 PMCID: PMC8297616 DOI: 10.3389/fnbeh.2021.658769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 06/08/2021] [Indexed: 12/02/2022] Open
Abstract
The sex hormone estradiol has recently gained attention in human decision-making research. Animal studies have already shown that estradiol promotes dopaminergic transmission and thus supports reward-seeking behavior and aspects of addiction. In humans, natural variations of estradiol across the menstrual cycle modulate the ability to learn from direct performance feedback ("model-free" learning). However, it remains unclear whether estradiol also influences more complex "model-based" contributions to reinforcement learning. Here, 41 women were tested twice - in the low and high estradiol state of the follicular phase of their menstrual cycle - with a Two-Step decision task designed to separate model-free from model-based learning. The results showed that in the high estradiol state women relied more heavily on model-free learning, and accomplished reduced performance gains, particularly during the more volatile periods of the task that demanded increased learning effort. In contrast, model-based control remained unaltered by the influence of hormonal state across the group. Yet, when accounting for individual differences in the genetic proxy of the COMT-Val158Met polymorphism (rs4680), we observed that only the participants homozygote for the methionine allele (n = 12; with putatively higher prefrontal dopamine) experienced a decline in model-based control when facing volatile reward probabilities. This group also showed the increase in suboptimal model-free control, while the carriers of the valine allele remained unaffected by the rise in endogenous estradiol. Taken together, these preliminary findings suggest that endogenous estradiol may affect the balance between model-based and model-free control, and particularly so in women with a high prefrontal baseline dopamine capacity and in situations of increased environmental volatility.
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Affiliation(s)
- Esther K. Diekhof
- Neuroendocrinology and Human Biology Unit, Department of Biology, Faculty of Mathematics, Informatics and Natural Sciences, Institute of Zoology, Universität Hamburg, Hamburg, Germany
| | - Andra Geana
- Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, Providence, RI, United States
- Carney Institute for Brain Science, Brown University, Providence, RI, United States
| | - Frederike Ohm
- Neuroendocrinology and Human Biology Unit, Department of Biology, Faculty of Mathematics, Informatics and Natural Sciences, Institute of Zoology, Universität Hamburg, Hamburg, Germany
| | - Bradley B. Doll
- New York University, New York, NY, United States
- Columbia University, New York, NY, United States
| | - Michael J. Frank
- Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, Providence, RI, United States
- Carney Institute for Brain Science, Brown University, Providence, RI, United States
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15
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Abstract
Pulmonary arterial hypertension (PAH) occurs in women more than men whereas survival in men is worse than in women. In recent years, much research has been carried out to understand these sex differences in PAH. This article discusses clinical and preclinical studies that have investigated the influences of sex, serotonin, obesity, estrogen, estrogen synthesis, and estrogen metabolism on bone morphogenetic protein receptor type II signaling, the pulmonary circulation and right ventricle in both heritable and idiopathic pulmonary hypertension.
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Affiliation(s)
- Hannah Morris
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, Scotland; Institute of Cardiovascular and Medical Sciences, College of Medical Veterinary and Life Sciences, University of Glasgow, Scotland
| | - Nina Denver
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, Scotland
| | - Rosemary Gaw
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, Scotland
| | - Hicham Labazi
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, Scotland
| | - Kirsty Mair
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, Scotland
| | - Margaret R MacLean
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, Scotland.
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16
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Li JY, Li NN, Wang L, Peng JX, Duan LR, Chen CL, Peng R. A compound heterozygous PINK1-associated juvenile Parkinson's disease with pregnancy in Chinese. J Neurol 2021; 268:2223-2227. [PMID: 33491134 DOI: 10.1007/s00415-021-10405-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND PINK1 mutations are the second most common cause of recessive, early-onset Parkinson's disease (EOPD), of which 15% are cases of juvenile PD. PD is a progressive neurological disease that primarily affects middle-aged and older people. Thus PD patients experiencing pregnancy is uncommon, especially in patients with juvenile PD caused by PINK1 mutations. We are first to report a woman from a Chinese family diagnosed with sporadic juvenile PD and treated with levodopa/benserazide throughout pregnancy. METHODS Whole exome sequencing was performed on this patient, and pedigree verification was performed on her parents. This patient received levodopa/benserazide treatment with regular outpatient follow-up exams. RESULTS Whole exome sequencing and Sanger sequencing identified a heterozygous nonsense mutation (c.1474C > T, p.R492X) and a splicing mutation (c.1488 + 1G > A) that were in exon 7 of the PINK1 gene, co-segregating with the PD phenotype and exhibiting an autosomal recessive pattern. With regular outpatient follow-up exams, this patient delivered a healthy boy without complications. Her PD symptoms were stable with the levodopa/benserazide treatment throughout her pregnancy except in the postpartum period. CONCLUSION Our findings further demonstrated the safety of levodopa with dopa-decarboxylase treatment in PINK1-associated juvenile PD during pregnancy.
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Affiliation(s)
- Jun-Ying Li
- Department of Neurology, West China Hospital, Sichuan University, Sichuan, People's Republic of China
| | - Nan-Nan Li
- Department of Neurology, West China Hospital, Sichuan University, Sichuan, People's Republic of China
| | - Ling Wang
- Department of Neurology, West China Hospital, Sichuan University, Sichuan, People's Republic of China
| | - Jia-Xin Peng
- Department of Neurology, West China Hospital, Sichuan University, Sichuan, People's Republic of China
| | - Li-Ren Duan
- Department of Neurology, West China Hospital, Sichuan University, Sichuan, People's Republic of China
| | - Chao-Lan Chen
- Department of Neurology, West China Hospital, Sichuan University, Sichuan, People's Republic of China
| | - Rong Peng
- Department of Neurology, West China Hospital, Sichuan University, Sichuan, People's Republic of China.
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17
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Mutations and structural variations in Catechol-O-methyltransferase gene of patients exhibiting chronic persistent surgical pain. ACTA ACUST UNITED AC 2021; 68:128-136. [PMID: 33478750 DOI: 10.1016/j.redar.2020.09.012] [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: 04/29/2020] [Revised: 09/08/2020] [Accepted: 09/16/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVES Mutations in the exon 4 of the COMT gene are associated with chronic persistent surgical pain (CPSP). Especially COMT mutated allele G472A (Val158Met) associated with CPSP patients is reported in different ethnic population. The purpose of this study is to evaluate the prevalence of genetic mutations and structural variations in exon 4 of COMT that can be related to the appearance of CPSP in patients under sternotomy. MATERIALS AND METHODS One hundred patients with American Society of Anesthesiologists (ASA) physical status grades i, ii and iii, who underwent sternotomy procedures, were selected to assess the development and magnitude of the CPSP evaluated with pain questionaries' at the end of three months after surgery. This was correlated with COMT allele presence. The exon 4 of COMT gene (that contains the G472A allele) was studied. The polymerase chain reaction (PCR) products were sequenced and mutated sequences were deposited in GenBank®. The structural analysis of COMT was performed using ProCheck® and distortions of three-dimensional tertiary structural orientation was evaluated with root-mean-square deviation (RMSD) score. RESULTS Genetic analysis carried out through PCR showed 220 bp amplicons. The 25% of patients with CPSP showed a Numeric Rating Scale (NRS) > 4 pain score. The 20% of these patients have known Val158Met mutation, 5% of patients showed novel mutations c.382C>G, c.383G>C, p.(Arg128Ala). The mutations in COMT gene contributed major structural variations in COMT leading to the formation of inactive COMT that correlates with CPSP. CONCLUSION The results of the present study showed that both novel and previously reported mutations in COMT gene has strong association with CPSP.
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18
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Wu S, Upadhyay N, Lu J, Jiang X, Li S, Qing Z, Wang J, Liang X, Zhang X, Zhang B. Interaction of Catechol-O-methyltransferase Val 158 Met polymorphism and sex influences association of parietal intrinsic functional connectivity and immediate verbal memory. Brain Behav 2020; 10:e01784. [PMID: 32772512 PMCID: PMC7559624 DOI: 10.1002/brb3.1784] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 07/14/2020] [Accepted: 07/19/2020] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Sex differences modulate catechol-O-methyltransferase (COMT) genotype effect at a synaptic dopamine level, which influences brain function as well as cognitive performance. In this study, we investigated how COMT Val158 Met polymorphism and sex affect intrinsic functional connectivity and memory. METHODS Intrinsic functional networks were extracted using independent component analysis of resting-state functional magnetic resonance imaging data from 186 healthy young COMT-genotyped participants. The association of these functional networks and memory function was tested to investigate whether the effect of COMT × sex interaction influences the association of intrinsic functional connectivity and memory performance. Quadratic curve fit estimation was used to examine the relationship between functional connectivity and speculative dopamine level among groups. RESULTS COMT MM/MV carriers, relative to VV carriers, showed increased functional connectivity in left superior parietal lobule and right inferior frontal gyrus. Further, male MM/MV carriers showed significant higher mean functional connectivity in left inferior parietal lobule relative to male VV carriers and female MM/MV carriers, which was associated with worse immediate verbal recall performance. Additionally, the relationship between inferior parietal lobule functional connectivity and speculative dopamine level among groups fits the quadratic curve. CONCLUSIONS These findings suggest that the interaction of COMT genotype and sex might regulate synaptic dopaminergic concentrations and influence the association of intrinsic functional connectivity and immediate verbal memory in left inferior parietal lobule.
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Affiliation(s)
- Sichu Wu
- Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Neeraj Upadhyay
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Jiaming Lu
- Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xueyan Jiang
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Shumei Li
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Zhao Qing
- Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Junxia Wang
- Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xue Liang
- Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xin Zhang
- Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Bing Zhang
- Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
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19
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Wu J, Cheng J, Zhang F, Luo X, Zhang Z, Chen S. Estrogen receptor α is involved in the regulation of ITGA8 methylation in estrogen receptor-positive breast cancer. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:993. [PMID: 32953793 PMCID: PMC7475494 DOI: 10.21037/atm-20-5220] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Background Integrin subunit α 8 (ITGA8) methylation has been associated with the development of several cancers, but its contribution to breast cancer remains unclear. The present study aimed to investigate the methylation status of ITGA8, and the underlying regulatory mechanisms of ITGA8 methylation in breast cancer. Methods ITGA8 expression was investigated using the Gene Expression Profiling Interactive Analysis 2 (GEPIA2) database and the Breast Cancer Gene-Expression Miner v.4.4 (bc-GenExMiner v4.4). The association between ITGA8 expression levels and the survival rate of breast cancer patients was evaluated using The Cancer Genome Atlas (TCGA) database and Gene Expression-based Outcome for Breast Cancer Online (GOBO): Gene Set Analysis. Methylation-specific PCR (MSP) was used to detect the methylation of ITGA8. Protein level of ITGA8 was determined by Western blot analysis. Results ITGA8 was expressed at low levels in human breast cancer cells compared to non-tumorigenic breast cells and breast tissue, and was upregulated in estrogen receptor (ER)-positive tissue compared with ER-negative tissue (P<0.01). ITGA8 gene expression was negatively associated with breast tumor stage and survival rate in all breast cancer patients. However, ER-positive patients with low ITGA8 expression showed poorer distant metastasis-free survival (DMFS) and recurrence-free survival (RFS) rates than patients with high ITGA8 expression. This was not observed in the ER-negative population. Mechanistically speaking, hypermethylation of ITGA8 was discovered in ER-positive breast cancer cells. Administration of the methylation inhibitor, 5-aza-2’-deoxycytidine (5-aza-dC), significantly elevated protein expression of ITGA8 in ER-positive breast cancer cells compared to ER-negative cells. The positive association between ITGA8 status and methylation was also observed in clinical tissue specimens. When treated with 17-beta-estradiol, an antagonist of ERα, 5-aza-dC-induced upregulation of ITGA8 in ER-positive breast cancer cells was no longer observed. Conclusions Low ITGA8 expression in ER-positive breast cancer might be caused by the hypermethylation of ITGA8, a process dependent on ERα. Our findings provide an important foundation for investigations into ITGA8-targeted treatment strategies for ER-positive breast cancer.
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Affiliation(s)
- Jingxun Wu
- Department of Medical Oncology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jianghong Cheng
- Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical University, Xi'an, China
| | - Fuxing Zhang
- Department of General Surgery, The First Affiliated Hospital, Xiamen University, Xiamen, China
| | - Xianyang Luo
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, China.,Xiamen Key Laboratory of Otolaryngology Head and Neck Surgery, Xiamen, China.,Teaching Hospital of Fujian Medical University, Fuzhou, China
| | - Zhiming Zhang
- Department of Medical Oncology, The First Affiliated Hospital of Xiamen University, Xiamen, China.,Teaching Hospital of Fujian Medical University, Fuzhou, China
| | - Shuai Chen
- Department of Medical Oncology, The First Affiliated Hospital of Xiamen University, Xiamen, China.,Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical University, Xi'an, China.,Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, China.,Xiamen Key Laboratory of Otolaryngology Head and Neck Surgery, Xiamen, China.,Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, China
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Hosák L. Role of the COMT gene Val158Met polymorphism in mental disorders: A review. Eur Psychiatry 2020; 22:276-81. [PMID: 17419009 DOI: 10.1016/j.eurpsy.2007.02.002] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2007] [Accepted: 02/07/2007] [Indexed: 01/17/2023] Open
Abstract
AbstractThe Val158Met polymorphism of the COMT gene is functional, easily detectable, and significantly related to metabolism of catecholamines, which underlie pathogenesis of a significant number of mental disorders. Evidence for the role of this polymorphism in schizophrenia, substance dependence, bipolar disorder, obsessive-compulsive disorder, anorexia nervosa and attention deficit hyperactivity disorder is summed up in this review article. The results make it unlikely that the COMT gene plays an important role in these mental disorders, although a minor effect can not be excluded. Future studies on the COMT gene in mentally ill subjects should be stratified by clinical subtypes of the disorder, gender and ethnicity. Studies of endophenotypes instead of the complex disorder seem to be another promising research strategy. Gene-gene and gene-environment interactions should also be considered. The COMT gene is probably not “a gene for” any mental disorder, but the Val158Met polymorphism appears to have pleiotropic effects on human behavior.
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Affiliation(s)
- Ladislav Hosák
- Department of Psychiatry, Charles University in Prague, Faculty of Medicine in Hradec Králové, Czech Republic.
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21
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Sleep Disordered Breathing, a Novel, Modifiable Risk Factor for Hypertensive Disorders of Pregnancy. Curr Hypertens Rep 2020; 22:28. [PMID: 32166454 DOI: 10.1007/s11906-020-1035-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Pathophysiology of hypertensive disorders of pregnancy (HDP), especially preeclampsia, has not been fully elucidated. Most trials aimed at the prevention of preeclampsia have failed to show significant benefit and investigation of novel, modifiable risk factors is sorely needed. Sleep disordered breathing (SDB), a group of disorders for which treatments are available, meets these criteria. SDB impacts about a third of all pregnancies and is associated with hypertension in the general non-pregnant population. RECENT FINDINGS Recent studies have shown a high prevalence of SDB, especially in complicated pregnancies. Several studies have shown that pregnant women with SDB have a higher risk for developing HDP, and these two disorders are associated with similar maternal long-term cardiovascular outcomes. Based on limited animal models of gestational intermittent hypoxia and human studies, SDB and HDP share similar risk factors and some pathophysiological mechanisms. However, there is paucity of studies addressing causality of this association and identifying therapeutic targets for intervention. Maternal SDB represents a novel and modifiable risk factor of HDP. Further studies are needed in order to establish the exact mechanisms underlying this association and to identify specific areas for clinical interventions.
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Michałowska M, Chalimoniuk M, Jówko E, Przybylska I, Langfort J, Toczylowska B, Krygowska-Wajs A, Fiszer U. Gene polymorphisms and motor levodopa-induced complications in Parkinson's disease. Brain Behav 2020; 10:e01537. [PMID: 32022467 PMCID: PMC7066344 DOI: 10.1002/brb3.1537] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/30/2019] [Accepted: 01/04/2020] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE The aim of the study was to evaluate the association of individual and combined single-nucleotide polymorphisms in brain-derived neurotrophic factor (BDNF), dopamine transporter (DAT), and catechol-O-methyltransferase (COMT) genes with the occurrence of motor levodopa-induced complications (MLIC) in Parkinson's disease (PD). MATERIALS AND METHODS We studied 76 patients with PD (MLIC occurred in 56.6%) and 60 controls. Allelic discrimination of rs6265 BDNF (Val66Met), rs397595 DAT (SLC6A3), and rs4680 COMT (Val158Met) genes were genotyped. Odds ratios (OR) and 95% confidence intervals (95% CI) were calculated using multinominal logistic regression. Orthogonal partial least squares (OPLS) analysis and OPLS discriminant analysis (OPLS-DA) were used to analyze qualitative genetic data. RESULTS The risk of PD in subjects with the AG BDNF genotype was increased sixfold (OR = 6.12, 95% CI = 2.88-13.02, p < .0001), and AG BDNF and AG DAT genotypes were correlated with PD in OPLS-DA (VIP > 1). There were no differences in distributions of BDNF, DAT and COMT genotypes between PD groups with and without MLIC, while OPLS model showed that genotype combination of AG BDNF, AG DAT, and GG COMT was correlated with MLIC and genotypes combination of GG BDNF, AA DAT, and AA COMT with lack of MLIC in PD patients (VIP > 1). CONCLUSIONS Our results confirmed the association of rs6265 BDNF (Val66Met) with the risk of PD and suggest a synergic effect of rs6265 BDNF (Val66Met), rs397595 DAT (SLC6A3), and rs4680 COMT (Val158Met) polymorphisms on the occurrence of MLIC.
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Affiliation(s)
- Małgorzata Michałowska
- Department of Neurology and Epileptology, Centre of Postgraduate Medical Education, Orłowski Hospital, Warsaw, Poland
| | - Małgorzata Chalimoniuk
- Department of Physical Education and Health in Biała Podlaska, Józef Piłsudski University of Physical Education in Warsaw, Biała Podlaska, Poland
| | - Ewa Jówko
- Department of Physical Education and Health in Biała Podlaska, Józef Piłsudski University of Physical Education in Warsaw, Biała Podlaska, Poland
| | - Iwona Przybylska
- Department of Physical Education and Health in Biała Podlaska, Józef Piłsudski University of Physical Education in Warsaw, Biała Podlaska, Poland
| | - Józef Langfort
- Institut of Sport Sciences, Jerzy Kukuczka Academy of Physical Education in Katowice, Katowice, Poland
| | - Beata Toczylowska
- Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
| | - Anna Krygowska-Wajs
- Department of Neurology, Jagiellonian University, Collegium Medicum, Cracow, Poland
| | - Urszula Fiszer
- Department of Neurology and Epileptology, Centre of Postgraduate Medical Education, Orłowski Hospital, Warsaw, Poland
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Dharaniprasad G, Samantaray A, Srikanth L, Hanumantha Rao M, Chandra A, Sarma PVGK. Chronic persistent surgical pain is strongly associated with COMT alleles in patients undergoing cardiac surgery with median sternotomy. Gen Thorac Cardiovasc Surg 2020; 68:1101-1112. [PMID: 32100171 DOI: 10.1007/s11748-020-01321-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 02/16/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Catechol-O-methyl transferase (COMT), a catechol-dependent enzyme, plays pivotal role in the development of pain. In different ethnic populations, it is associated with chronic persistent surgical pain (CPSP). In this context, the present study is aimed to assess involvement of COMT allele (Val158Met) in the development of CPSP. METHODOLOGY The patients (n = 216) underwent cardiac surgery with median sternotomy were selected to assess the magnitude of the CPSP evaluated with pain questionnaires' after 3 months from surgery. The exon 4 of COMT gene was PCR amplified and sequenced. The quantitative gene expression of COMT using RT-PCR corroborated the COMT enzyme activity. RESULTS Among 216 patients who underwent sternotomy procedure, 54 patients showed CPSP even after 3 months from surgery. The sequence analysis revealed that, in 25% (54/216) patients having following one or more alleles: c.472G>A (Val158Met) (reported), and novel c.382C>G;c.383G>C (Arg128Ala), c.373C>G (Arg125Gly), c.370G>A (Val124Met), c.359G>C (Gly120Ala), c.349G>A, c.350G>A(Ala117Ser), c.349G>C, c.351C>A (Ala117Pro), c.349G>A (Ala117Thr), c.350G>C (Ala117Gly), and c.405G>C (Ala135Ser) were observed for the first time in Indian population. Distinct CPSP (≥ 4 NRS pain score) was observed in these patients correlating with COMT enzyme activity (7.80 ± 0.92 units/mg) which is 14 times lowered when compared with non-CPSP patient's (n = 162) 110.15 ± 6.41 units/mg. The findings of COMT gene expression using quantitative RT-PCR corroborated the COMT enzyme activity. CONCLUSION The dominant effect of mutant COMT alleles connecting with low enzyme activity resulted in CPSP, warrants COMT genetic analysis prior to surgery was useful to predict the occurrence of CPSP.
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Affiliation(s)
| | - Aloka Samantaray
- Department of Anesthesiology, SVIMS University, Tirupati, Andhra Pradesh, 517507, India.
| | - Lokanathan Srikanth
- Department of Biotechnology, SVIMS University, Tirupati, Andhra Pradesh, India
| | - Mangu Hanumantha Rao
- Department of Anesthesiology, SVIMS University, Tirupati, Andhra Pradesh, 517507, India
| | - Abha Chandra
- Department of C.T. Surgery, SVIMS University, Tirupati, Andhra Pradesh, India
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Dean B, Parkin GM, Gibbons AS. Associations between catechol-O-methyltransferase (COMT) genotypes at rs4818 and rs4680 and gene expression in human dorsolateral prefrontal cortex. Exp Brain Res 2020; 238:477-486. [DOI: 10.1007/s00221-020-05730-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/07/2020] [Indexed: 12/28/2022]
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Tofovic SP, Jackson EK. Estradiol Metabolism: Crossroads in Pulmonary Arterial Hypertension. Int J Mol Sci 2019; 21:ijms21010116. [PMID: 31877978 PMCID: PMC6982327 DOI: 10.3390/ijms21010116] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 12/17/2019] [Indexed: 12/17/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a debilitating and progressive disease that predominantly develops in women. Over the past 15 years, cumulating evidence has pointed toward dysregulated metabolism of sex hormones in animal models and patients with PAH. 17β-estradiol (E2) is metabolized at positions C2, C4, and C16, which leads to the formation of metabolites with different biological/estrogenic activity. Since the first report that 2-methoxyestradiol, a major non-estrogenic metabolite of E2, attenuates the development and progression of experimental pulmonary hypertension (PH), it has become increasingly clear that E2, E2 precursors, and E2 metabolites exhibit both protective and detrimental effects in PH. Furthermore, both experimental and clinical data suggest that E2 has divergent effects in the pulmonary vasculature versus right ventricle (estrogen paradox in PAH). The estrogen paradox is of significant clinical relevance for understanding the development, progression, and prognosis of PAH. This review updates experimental and clinical findings and provides insights into: (1) the potential impacts that pathways of estradiol metabolism (EMet) may have in PAH; (2) the beneficial and adverse effects of estrogens and their precursors/metabolites in experimental PH and human PAH; (3) the co-morbidities and pathological conditions that may alter EMet and influence the development/progression of PAH; (4) the relevance of the intracrinology of sex hormones to vascular remodeling in PAH; and (5) the advantages/disadvantages of different approaches to modulate EMet in PAH. Finally, we propose the three-tier-estrogen effects in PAH concept, which may offer reconciliation of the opposing effects of E2 in PAH and may provide a better understanding of the complex mechanisms by which EMet affects the pulmonary circulation–right ventricular interaction in PAH.
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Affiliation(s)
- Stevan P. Tofovic
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, BST E1240, 200 Lothrop Street, Pittsburgh, PA 15261, USA
- Department of Pharmacology and Chemical Biology University of Pittsburgh School of Medicine, 100 Technology Drive, PA 15219, USA;
- Correspondence: ; Tel.: +1-412-648-3363
| | - Edwin K. Jackson
- Department of Pharmacology and Chemical Biology University of Pittsburgh School of Medicine, 100 Technology Drive, PA 15219, USA;
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Hall KT, Battinelli E, Chasman DI, Ridker PM, Psaty BM, Rotter JI, Kaptchuk TJ, Tracy RP, Wassel CL, Mukamal KJ. Catechol-O-Methyltransferase and Cardiovascular Disease: MESA. J Am Heart Assoc 2019; 8:e014986. [PMID: 31838976 PMCID: PMC6951085 DOI: 10.1161/jaha.119.014986] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background Genetic variation in catechol‐O‐methyltransferase (COMT), a key enzyme in estrogen and catecholamine metabolism, has plausible physiological links to cardiovascular disease (CVD) and its risk factors. In WHS (Women's Health Study), COMT variants rs4818 and rs4680 were associated with a lower risk of CVD among women receiving placebo but not aspirin, suggesting a possible role of COMT in thrombosis. Methods and Results To evaluate potential pathways linking COMT with CVD, and COMT effect modification of aspirin in prevention, we examined COMT association with CVD risk and subclinical measures, coronary artery calcium, and carotid intima‐media thickness in MESA (Multi‐Ethnic Study of Atherosclerosis). In 65 957 person‐years of follow‐up, during which 498 events occurred, COMT rs4818 was associated with lower CVD risk (hazard ratio, 0.85; 95% CI, 0.74–0.97 [P=0.02]). This association remained virtually unchanged after adjusting for common CVD risk factors. Fibrinogen was the only risk factor associated with rs4818 (β, −3.65; SE, 1.35 mg/dL [P=0.007]). Results were directionally similar but not significant for rs4680. Adjusted hazard ratios for COMT rs4818 CVD association were 0.79 (95% CI, 0.65–0.95; P=0.02) among individuals who used aspirin <3 days per week and 0.89 (95% CI, 0.71–1.13; P=0.34) among more frequent users (Pinteraction=0.39). Neither intima‐media thickness nor coronary artery calcium was associated with COMT. Conclusions In a multiethnic prospective cohort of men and women, the COMT rs4818G allele was associated with lower CVD risk and lower fibrinogen levels but not with radiographic measures of subclinical atherosclerosis. These results suggest a plausible role of COMT in the latter stages of CVD.
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Affiliation(s)
- Kathryn T Hall
- Division of Preventive Medicine Department of Medicine Brigham and Women's Hospital Harvard Medical School Boston MA
| | - Elisabeth Battinelli
- Division of Hematology Department of Medicine Brigham and Women's Hospital Harvard Medical School Boston MA
| | - Daniel I Chasman
- Division of Preventive Medicine Department of Medicine Brigham and Women's Hospital Harvard Medical School Boston MA
| | - Paul M Ridker
- Division of Preventive Medicine Department of Medicine Brigham and Women's Hospital Harvard Medical School Boston MA
| | - Bruce M Psaty
- Cardiovascular Health Research Unit Department of Medicine University of Washington Seattle WA.,Kaiser Permanente Washington Health Research Institute Seattle WA
| | - Jerome I Rotter
- Departments of Pediatrics and Medicine The Institute for Translational Genomics and Population Sciences Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center Torrance CA
| | - Ted J Kaptchuk
- Division of General Medicine and Primary Care Beth Israel Deaconess Medical Center Harvard Medical School Boston MA
| | - Russell P Tracy
- Laboratory for Clinical Biochemistry Research University of Vermont, College of Medicine Colchester VT
| | | | - Kenneth J Mukamal
- Division of General Medicine and Primary Care Beth Israel Deaconess Medical Center Harvard Medical School Boston MA
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Sheldon RS, Sandhu RK. The Search for the Genes of Vasovagal Syncope. Front Cardiovasc Med 2019; 6:175. [PMID: 31850372 PMCID: PMC6892747 DOI: 10.3389/fcvm.2019.00175] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 11/14/2019] [Indexed: 11/29/2022] Open
Abstract
Only humans faint, and not all do so. Syncope tends to recur, and the predisposition to syncope can persist over many decades. Observations such as these have suggested that there may be a genetic predisposition to vasovagal syncope. It seems to have a high prevalence in some families; having a parent who faints increases the likelihood of an offspring fainting, and this is increased even further if both biological parents faint. Numerous studies have correlated a number of genotypes with positive tilt tests. However, the control subjects are usually those who faint, but have negative tilt tests, making the conclusions about association with the clinical phenotype less certain. Twin studies, highly focused genome-wide association studies, and gene duplicate studies all suggest there are sites in the genome that associate with vasovagal syncope, although the specific genes, pathways, and proteins are unknown. A recent large, candidate gene study of kindreds with high, multigenerational prevalence of the vasovagal syncope identified 3 genes that associate with vasovagal syncope. Our understanding of the genetic correlates of vasovagal syncope is in its infancy, with much to be understood.
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Affiliation(s)
- Robert S Sheldon
- The Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, AB, Canada.,The Mazankowski Heart Institute, University of Alberta, Edmonton, AB, Canada
| | - Roopinder K Sandhu
- The Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, AB, Canada.,The Mazankowski Heart Institute, University of Alberta, Edmonton, AB, Canada
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Sheldon R, Rose MS, Ritchie D, Martens K, Maxey C, Jagers J, Parboosingh J, Gerull B. Genetic Association Study in Multigenerational Kindreds With Vasovagal Syncope: Evidence for Involvement of Sex-Specific Serotonin Signaling. Circ Arrhythm Electrophysiol 2019; 12:e006884. [PMID: 30636478 DOI: 10.1161/circep.118.006884] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Several studies suggest that vasovagal syncope has a genetic origin, but this is unclear. We assessed whether plausible gene variants associate with vasovagal syncope. METHODS We studied 160 subjects in 9 kindreds comprising 82 fainters and 78 controls. The diagnosis was ascertained with the Calgary Syncope Score. Common genetic variants were genotyped for 12 genes for vascular signaling, potassium channels, the HTR1A(serotonin 5-HT1A receptor), SLC6A4(serotonin reuptake transporter), and COMT(catecholamine O-methyltransferase). Sex-specific associations between genotypes and phenotypes were tested. RESULTS In 9 out of 12 variants, there was no significant association between genotype and phenotype. However, the HTR1A(-1019) G alleles associated with syncope in males, but not in females ( P=0.005). CC and GG males had 9% versus 77% likelihoods of syncope. The SLC6A4 promoter L alleles associated with decreased syncope in males but increased in females ( P=0.059). The LL and SS males had 25% and 47% syncope likelihoods, whereas females had 75% and 50% syncope likelihoods. The COMT c.472 A alleles associated with decreased syncope in males but increased in females ( P=0.017). The GG and AA males had 50% and 15% syncope likelihoods, whereas females had 52% and 73% syncope likelihoods. CONCLUSIONS There is a sex-dependent effect of alleles of serotonin signaling and vasovagal syncope, supporting the serotonin hypothesis of the physiology of vasovagal syncope.
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Affiliation(s)
- Robert Sheldon
- Libin Cardiovascular Institute of Calgary, Alberta, Canada (R.S., M.S.R., D.R., K.M., C.M., J.J., B.G.)
| | - M Sarah Rose
- Libin Cardiovascular Institute of Calgary, Alberta, Canada (R.S., M.S.R., D.R., K.M., C.M., J.J., B.G.)
| | - Debbie Ritchie
- Libin Cardiovascular Institute of Calgary, Alberta, Canada (R.S., M.S.R., D.R., K.M., C.M., J.J., B.G.)
| | - Kristina Martens
- Libin Cardiovascular Institute of Calgary, Alberta, Canada (R.S., M.S.R., D.R., K.M., C.M., J.J., B.G.)
| | - Connor Maxey
- Libin Cardiovascular Institute of Calgary, Alberta, Canada (R.S., M.S.R., D.R., K.M., C.M., J.J., B.G.)
| | - Jennie Jagers
- Libin Cardiovascular Institute of Calgary, Alberta, Canada (R.S., M.S.R., D.R., K.M., C.M., J.J., B.G.)
| | - Jillian Parboosingh
- Alberta Children's Hospital Research Institute, University of Calgary, Canada (J.P.)
| | - Brenda Gerull
- Libin Cardiovascular Institute of Calgary, Alberta, Canada (R.S., M.S.R., D.R., K.M., C.M., J.J., B.G.).,Department Kardiovasculare Genetik, University Hospital Würzburg and University Würzburg, Germany (B.G.)
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29
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Hernández-Hernández OT, Martínez-Mota L, Herrera-Pérez JJ, Jiménez-Rubio G. Role of Estradiol in the Expression of Genes Involved in Serotonin Neurotransmission: Implications for Female Depression. Curr Neuropharmacol 2019; 17:459-471. [PMID: 29956632 PMCID: PMC6520586 DOI: 10.2174/1570159x16666180628165107] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 05/23/2018] [Accepted: 06/25/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND In women, changes in estrogen levels may increase the incidence and/or symptomatology of depression and affect the response to antidepressant treatments. Estrogen therapy in females may provide some mood benefits as a single treatment or might augment clinical response to antidepressants that inhibit serotonin reuptake. OBJECTIVE We analyzed the mechanisms of estradiol action involved in the regulation of gene expression that modulates serotonin neurotransmission implicated in depression. METHOD Publications were identified by a literature search on PubMed. RESULTS The participation of estradiol in depression may include regulation of the expression of tryptophan hydroxylase-2, monoamine oxidase A and B, serotonin transporter and serotonin-1A receptor. This effect is mediated by estradiol binding to intracellular estrogen receptor that interacts with estrogen response elements in the promoter sequences of tryptophan hydroxylase-2, serotonin transporter and monoamine oxidase-B. In addition to directly binding deoxyribonucleic acid, estrogen receptor can tether to other transcription factors, including activator protein 1, specificity protein 1, CCAAT/enhancer binding protein β and nuclear factor kappa B to regulate gene promoters that lack estrogen response elements, such as monoamine oxidase-A and serotonin 1A receptor. CONCLUSION Estradiol increases tryptophan hydroxylase-2 and serotonin transporter expression and decreases the expression of serotonin 1A receptor and monoamine oxidase A and B through the interaction with its intracellular receptors. The understanding of molecular mechanisms of estradiol regulation on the protein expression that modulates serotonin neurotransmission will be helpful for the development of new and more effective treatment for women with depression.
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Affiliation(s)
- Olivia Tania Hernández-Hernández
- Consejo Nacional de Ciencia y Tecnologia Research Fellow Instituto Nacional de Psiquiatria Ramon de la Fuente Muniz, Calzada Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Delegacion Tlalpan, 14370, Ciudad de Mexico, Mexico
| | - Lucía Martínez-Mota
- Laboratorio de Farmacologia Conductual, Direccion de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatria Ramon de la Fuente Muniz, Calzada Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Delegacion Tlalpan, 14370, Ciudad de Mexico, Mexico
| | - José Jaime Herrera-Pérez
- Laboratorio de Farmacologia Conductual, Direccion de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatria Ramon de la Fuente Muniz, Calzada Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Delegacion Tlalpan, 14370, Ciudad de Mexico, Mexico
| | - Graciela Jiménez-Rubio
- Laboratorio de Farmacologia Conductual, Direccion de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatria Ramon de la Fuente Muniz, Calzada Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Delegacion Tlalpan, 14370, Ciudad de Mexico, Mexico
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Júlio-Costa A, Martins AAS, Wood G, de Almeida MP, de Miranda M, Haase VG, Carvalho MRS. Heterosis in COMT Val158Met Polymorphism Contributes to Sex-Differences in Children's Math Anxiety. Front Psychol 2019; 10:1013. [PMID: 31156495 PMCID: PMC6530072 DOI: 10.3389/fpsyg.2019.01013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 04/16/2019] [Indexed: 01/03/2023] Open
Abstract
Math anxiety (MA) is a phobic reaction to math activities, potentially impairing math achievement. Higher frequency of MA in females is explainable by the interaction between genetic and environmental factors. The molecular-genetic basis of MA has not been investigated. The COMT Val158Met polymorphism, which affects dopamine levels in the prefrontal cortex, has been associated with anxiety manifestations. The valine allele is associated with lower, and the methionine allele with higher, dopamine availability. In the present study, the effects of sex and COMT Val158Met genotypes on MA were investigated: 389 school children aged 7-12 years were assessed for intelligence, numerical estimation, arithmetic achievement and MA and genotyped for COMT Val158Met polymorphism. The Math Anxiety Questionnaire (MAQ) was used to assess the cognitive and affective components of MA. All genotype groups of boys and girls were comparable regarding genotype frequency, age, school grade, numerical estimation, and arithmetic abilities. We compared the results of all possible genetic models: codominance (Val/Val vs. Val/Met vs. Met/Met), heterosis (Val/Met vs. Val/Val plus Met/Met), valine dominance (Val/Val plus Val/Met vs. Met/Met), and methionine dominance (Met/Met plus Val/Met vs. Val/Val). Models were compared using AIC and AIC weights. No significant differences between girls and boys and no effects of the COMT Val158Met polymorphism on numerical estimation and arithmetic achievement were observed. Sex by genotype effects were significant for intelligence and MA. Intelligence scores were higher in Met/Met girls than in girls with at least one valine allele (valine dominance model). The best fitting model for MA was heterosis. In Anxiety Toward Mathematics, heterozygous individuals presented MA levels close to the grand average regardless of sex. Homozygous boys were significantly less and homozygous girls significantly more math anxious. Heterosis has been seldom explored, but in recent years has emerged as the best genetic model for some phenotypes associated with the COMT Val158Met polymorphism. This is the first study to investigate the genetic-molecular basis of MA.
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Affiliation(s)
- Annelise Júlio-Costa
- Departamento de Psicologia, FAFICH, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Programa de Pós-graduação em Neurociências, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Aline Aparecida Silva Martins
- Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Programa de Pós-Graduação em Genética, Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Guilherme Wood
- Instituto Nacional de Ciência e Tecnologia sobre Comportamento, Cognição e Ensino (INCT-ECCE), São Carlos, Brazil
- Department of Neuropsychology, Institute of Psychology, University of Graz, Graz, Austria
| | - Máira Pedroso de Almeida
- Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Programa de Pós-Graduação em Genética, Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Marlene de Miranda
- Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Programa de Pós-Graduação em Genética, Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Vitor Geraldi Haase
- Departamento de Psicologia, FAFICH, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Programa de Pós-graduação em Neurociências, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Instituto Nacional de Ciência e Tecnologia sobre Comportamento, Cognição e Ensino (INCT-ECCE), São Carlos, Brazil
- Programa de Pós-Graduação em Psicologia: Cognição e Comportamento, Departamento de Psicologia, FAFICH, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Programa de Pós-Graduação em Saúde da Criança e Adolescente, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maria Raquel Santos Carvalho
- Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Programa de Pós-Graduação em Genética, Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Brancher JA, Spada PP, Meger MN, Fatturri AL, Dalledone M, Bertoli FMDP, Deeley K, Scariot R, Vieira AR, Küchler EC, de Souza JF. The association of genetic polymorphisms in serotonin transporter and catechol‐O‐methyltransferase on temporomandibular disorders and anxiety in adolescents. J Oral Rehabil 2019; 46:597-604. [DOI: 10.1111/joor.12783] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 02/15/2019] [Accepted: 02/21/2019] [Indexed: 12/25/2022]
Affiliation(s)
| | | | | | | | | | | | - Kathleen Deeley
- Department of Oral Biology, School of Dental Medicine University of Pittsburgh Pittsburgh Pennsylvania
| | - Rafaela Scariot
- School of Health Sciences Universidade Positivo Curitiba Brazil
| | - Alexandre Rezende Vieira
- Department of Oral Biology, School of Dental Medicine University of Pittsburgh Pittsburgh Pennsylvania
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Wu Q, Odwin-Dacosta S, Cao S, Yager JD, Tang WY. Estrogen down regulates COMT transcription via promoter DNA methylation in human breast cancer cells. Toxicol Appl Pharmacol 2019; 367:12-22. [DOI: 10.1016/j.taap.2019.01.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 01/03/2019] [Accepted: 01/21/2019] [Indexed: 12/13/2022]
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Ren X, Zhang L, Xiao Q, Huang D, Liu Q, Zhang Y. Association between COMT polymorphism, labor anxiety, and analgesia in pregnant women. J Pain Res 2019; 12:779-785. [PMID: 30881091 PMCID: PMC6398968 DOI: 10.2147/jpr.s192719] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Background COMT gene polymorphism is associated with mental disorders and sensitivity to pain. In this study, we investigated the association between the COMT gene polymorphism and labor anxiety and analgesia in pregnant women. Subjects and methods A total of 425 pregnant women undergoing labor analgesia were selected from May 2016 to February 2018. The COMT gene polymorphism was detected through the PCR with restriction fragment length polymorphism technique before childbirth. According to a COMT genotype, the enrolled pregnant women were subdivided into the Val/Val (allele GG) group, the Met/Met (allele AA) group, and the Val/Met (allele GA) group. Then, the intervertebral space of all pregnant women was injected with 3 mL of 2% lidocaine +6 mL of 0.08% ropivacaine and 6 µg of fentanyl. Labor analgesia was administered as follows: 80 mg of 0.08% ropivacaine +100 µg of fentanyl + normal saline to 100 mL. The general characteristics of the women were examined and recorded. In addition, the State Anxiety Inventory (SAI), VAS, Ramsay sedation score, and epinephrine and norepinephrine levels were compared and analyzed. Results A total of 391 pregnant women were enrolled in this study; among these pregnant women, there were 180 pregnant women in the GG group, 132 in the GA group, and 99 in the AA group. The minor allele frequency of COMT polymorphism among these pregnant women was 32.8%. Compared with the GG group, the SAI and VAS scores were higher, the Ramsay sedation score was lower, and the epinephrine and norepinephrine levels were higher in AA and GA groups (P<0.05). Nonetheless, there was no statistically significant difference in the SAI, VAS, Ramsay sedation score, and epinephrine and norepinephrine levels between the groups AA and GA (P>0.05). Conclusion The COMT gene polymorphism was associated with labor anxiety and analgesia among pregnant women, and the Val158Met mutation in the COMT gene could lead to worse labor anxiety and less-effective labor analgesia in pregnant women.
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Affiliation(s)
- Xiaohui Ren
- Department of Anesthesiology, Neijiang City Central Maternal and Child Health Care Hospital, Neijiang 641000, Sichuan, China.,Department of Anesthesiology and Pain Management, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China, ;
| | - Le Zhang
- Department of Anesthesiology, Sichuan Provincial Armed Police Corps Hospital, Leshan 614000, Sichuan, China
| | - Qiuxia Xiao
- Department of Anesthesiology and Pain Management, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China, ;
| | - Daxue Huang
- Department of Anesthesiology, Neijiang City Central Maternal and Child Health Care Hospital, Neijiang 641000, Sichuan, China
| | - Qing Liu
- Department of Anesthesiology and Pain Management, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China, ;
| | - Ying Zhang
- Department of Anesthesiology and Pain Management, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China, ;
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Bertotto LB, Dasgupta S, Vliet S, Dudley S, Gan J, Volz DC, Schlenk D. Evaluation of the estrogen receptor alpha as a possible target of bifenthrin effects in the estrogenic and dopaminergic signaling pathways in zebrafish embryos. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:2424-2431. [PMID: 30336432 PMCID: PMC6283662 DOI: 10.1016/j.scitotenv.2018.10.079] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 10/05/2018] [Accepted: 10/06/2018] [Indexed: 05/14/2023]
Abstract
Bifenthrin (BF) is a pyrethroid insecticide widely used in urban and agricultural applications. Previous studies in embryos of zebrafish have shown that BF can affect estradiol biosynthesis and the dopaminergic system. To examine the role of the estrogen receptor (ER) in the endocrine effects of BF, embryos were exposed for 96 h to a mixture of 0.15 and 1.5 μg/L BF and an ER agonist (17α-ethynylestradiol - EE2) at 0.09 μg/L. Transcripts related to estrogenic (vitellogenin VTG) and dopaminergic (tyrosine hydroxylase (TH), dopamine receptor 1 (DR1), monoamine oxidase (MAO), and catechol-O-methyltransferase b (COMTb)) signaling pathways were investigated by qRT-PCR. Dopamine (DA) and its metabolites (homovanillic acid (HVA) and 3,4-dihydroxyphenylacetic acid (DOPAC)) were also measured. There was a significant increase in VTG, DR1, MAO and COMTb mRNA levels and HVA-DA ratios within all zebrafish embryos exposed to EE2, including EE2 alone, 0.15 μg/L BF + EE2 and 1.5 μg/L BF + EE2. A significant decrease in homogenate concentrations of DA was observed within all zebrafish embryos exposed to EE2, which included EE2 alone, 0.15 μg/L BF + EE2 and 1.5 μg/L BF + EE2. Co-exposure of BF with EE2 failed to diminish estrogenic or dopaminergic signaling in embryos. Additionally, embryos with diminished ERα expression by morpholino injection were exposed to 0.15 μg/L BF, 1.5 μg/L BF and 0.09 μg/L EE2, with subsequent gene expression measurements. ERα knockdown did not prevent the effects of BF, indicating ERα may have a limited role in the estrogenic and dopaminergic effects caused by BF in zebrafish embryos.
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Affiliation(s)
- Luísa Becker Bertotto
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA.
| | - Subham Dasgupta
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - Sara Vliet
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - Stacia Dudley
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - Jay Gan
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - David C Volz
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - Daniel Schlenk
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
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Kalinderi K, Papaliagkas V, Fidani L. Pharmacogenetics and levodopa induced motor complications. Int J Neurosci 2018; 129:384-392. [DOI: 10.1080/00207454.2018.1538993] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Kallirhoe Kalinderi
- Department of General Biology, Medical School Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Vasileios Papaliagkas
- Laboratory of Clinical Neurophysiology, Aristotle University of Thessaloniki AHEPA University Hospital, Thessaloniki, Greece
| | - Liana Fidani
- Department of General Biology, Medical School Aristotle University of Thessaloniki, Thessaloniki, Greece
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Canadas A, Santos M, Pinto R, Medeiros R, Dias-Pereira P. Catechol-o-methyltransferase genotypes are associated with progression and biological behaviour of canine mammary tumours. Vet Comp Oncol 2018; 16:664-669. [DOI: 10.1111/vco.12438] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/26/2018] [Accepted: 07/30/2018] [Indexed: 12/29/2022]
Affiliation(s)
- Ana Canadas
- Department of Pathology and Molecular Immunology, Instituto Ciências Biomédicas Abel Salazar, ICBAS-UPorto; University of Porto; Porto Portugal
| | - Marta Santos
- Department of Microscopy, Instituto Ciências Biomédicas Abel Salazar, ICBAS-UPorto; University of Porto; Porto Portugal
| | - Ricardo Pinto
- Molecular Oncology and Viral Pathology Group; IPO-Porto Research Centre, Portuguese Institute of Oncology of Porto (IPO-Porto); Porto Portugal
| | - Rui Medeiros
- Molecular Oncology and Viral Pathology Group; IPO-Porto Research Centre, Portuguese Institute of Oncology of Porto (IPO-Porto); Porto Portugal
- Faculty of Medicine; University of Porto; Porto Portugal
- FP-ENAS Research Unit, UFP Energy, Environment and Health Research Unit, CEBIMED, Biomedical Research Centre; University Fernando Pessoa; Porto Portugal
- LPCC, Research Department; Portuguese League Against Cancer (LPPC-NRN); Porto Portugal
| | - Patrícia Dias-Pereira
- Department of Pathology and Molecular Immunology, Instituto Ciências Biomédicas Abel Salazar, ICBAS-UPorto; University of Porto; Porto Portugal
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Dumas JA, Makarewicz JA, Bunn J, Nickerson J, McGee E. Dopamine-dependent cognitive processes after menopause: the relationship between COMT genotype, estradiol, and working memory. Neurobiol Aging 2018; 72:53-61. [PMID: 30212711 DOI: 10.1016/j.neurobiolaging.2018.08.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 08/07/2018] [Accepted: 08/08/2018] [Indexed: 12/11/2022]
Abstract
The present study examined how a gene related to functioning of the dopaminergic system, catechol-O-methyltransferase (COMT), and estradiol were related to brain functioning in healthy postmenopausal women. Participants were 118 healthy, cognitively normal postmenopausal women between the ages of 50-60 years. All women provided a blood sample for COMT and estradiol analyses and underwent a magnetic resonance imaging scan. Working memory performance and related brain activation were measured with BOLD functional magnetic resonance imaging during the N-back task. Results were examined across each COMT genotype and a median split was performed on the circulating estradiol levels to create high and low estradiol groups for each genotype. COMT genotype and estradiol level were hypothesized to be proxy measures for brain dopamine levels with the Met/Met and high estradiol group having the most dopamine and Val/Val and low estradiol group having the least dopamine. The functional magnetic resonance imaging results showed that the N-back task activated the expected bilateral frontal and bilateral parietal working memory network. However, no main effects of COMT genotype or estradiol group were found. There was COMT-estradiol interaction found in a small area of decreased activation in the right precentral gyrus (Brodmann Area 6) that was related to the increasing hypothesized dopamine level. Specifically, women with a Met/Met genotype in the high estradiol group had the least activation in this frontal lobe working memory region. Women with a Val/Val genotype in the low estradiol group had greater activation in this region relative to the other groups. Performance on the N-back task did not show any group differences. These data indicate that after menopause COMT genotype and potentially the menopause-related changes to the dopaminergic system are not related to cognition. Future studies should examine how the relationship between COMT, estradiol, and cognition around the menopause transition as there appear to be differences in this relationship for premenopausal and postmenopausal women.
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Affiliation(s)
- Julie A Dumas
- Department of Psychiatry, University of Vermont Robert Larner, M.D. College of Medicine, Burlington, VT.
| | - Jenna A Makarewicz
- Department of Psychiatry, University of Vermont Robert Larner, M.D. College of Medicine, Burlington, VT
| | - Janice Bunn
- Department of Medical Biostatistics, University of Vermont Robert Larner, M.D. College of Medicine, Burlington, VT
| | - Joshua Nickerson
- Department of Diagnostic Radiology, School of Medicine, Oregon Health and Science University, Portland, OR
| | - Elizabeth McGee
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Vermont Robert Larner, M.D. College of Medicine, Burlington, VT
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Sindermann C, Luo R, Zhang Y, Kendrick KM, Becker B, Montag C. The COMT Val158Met Polymorphism and Reaction to a Transgression: Findings of Genetic Associations in Both Chinese and German Samples. Front Behav Neurosci 2018; 12:148. [PMID: 30127727 PMCID: PMC6088175 DOI: 10.3389/fnbeh.2018.00148] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 06/27/2018] [Indexed: 12/17/2022] Open
Abstract
After a transgression, people often either tend to avoid the transgressor or seek revenge. These tendencies can be investigated via a trait approach and surprisingly little is known about their biological underpinnings. One promising candidate gene polymorphism, which may influence individual differences in avoidance of a transgressor and vengefulness, is the COMT Val158Met (rs4680) polymorphism known to affect dopaminergic signaling and among others brain activity in situations in which people punish others for their behavior. We therefore investigated the molecular genetics of individual differences in Avoidance Motivation and vengefulness with a focus on this polymorphism. Possible genetic associations were first investigated in a sample of N = 730 Chinese participants (n = 196 females) using buccal cells to extract the DNA for genotyping. To replicate the findings we carried out a parallelized investigation in a sample of N = 585 German participants (n = 399 females). Chinese and German versions of the TRIM-12 and the Vengeance Scale were implemented to assess individual differences in tendencies to react to a transgression. Results show that Met allele carriers of the COMT Val158Met polymorphism (Val/Met and Met/Met) score significantly higher on the tendency to avoid a transgressor in the Chinese male and female samples, with an especially pronounced effect in the female subgroup. The same effect could be found in the German sample, again especially in females. Additionally, carrying a Met allele was associated with higher vengefulness in the Chinese sample only, especially in males. The present findings indicate that the COMT Val158Met polymorphism might influence individual differences in the motivation to avoid transgressors across cultures, especially in females. However, its association with vengefulness seems to be more complex and may exhibit some cultural and gender specific effects.
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Affiliation(s)
- Cornelia Sindermann
- Department of Molecular Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Ruixue Luo
- MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | - Yingying Zhang
- MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | - Keith M Kendrick
- MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | - Benjamin Becker
- MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | - Christian Montag
- Department of Molecular Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany.,MOE Key Laboratory for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
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39
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Almas A, Forsell Y, Millischer V, Möller J, Lavebratt C. Association of Catechol-O-methyltransferase (COMT Val 158Met) with future risk of cardiovascular disease in depressed individuals - a Swedish population-based cohort study. BMC MEDICAL GENETICS 2018; 19:126. [PMID: 30045690 PMCID: PMC6060560 DOI: 10.1186/s12881-018-0645-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 07/12/2018] [Indexed: 12/19/2022]
Abstract
Background Catechol-O-methyltransferase (COMT Val158Met) has been implicated in both depression and cardiovascular disease. The purpose of this study was to assess if COMT Val158Met, which influences the COMT enzyme activity, has an effect on the risk of cardiovascular disease (CVD) in individuals with a history of depression and also to determine if the risk differs depending on gender. Methods Data from a longitudinal cohort study of mental health among Swedish adults was used. Depression was assessed twice 3 years apart for each participant, in 1998–2001 and 2001–2003. Saliva DNA was contributed by 4349 (41.7%) of the participants and 3525 was successfully genotyped for COMT Val158Met. Participants were followed up until December 2014 from the National Patient register with regard to cardiovascular outcomes (hypertensive or ischemic heart disease, and stroke). Results Those with depression and the high COMT enzyme activity genotype (Val/Val) had almost a three-fold increased risk of later CVD (OR 3.6; 95% CI: 2.0-6.6) compared to those non-depressed carrying the Val/Val allele. This effect on risk for CVD was higher in women compared to men (OR 7.0; 95% CI: 3.0-14.0 versus OR 2.1; 95% CI: 1.0-6.8). Both additive interaction (attributable proportion (AP) = 0.56; 95% CI: 0.24-0.90 and synergy index (SI) = 4.39; 1.0-18.7) and multiplicative interaction (log likelihood test p = 0.1) was present between depression and COMT Val158Met in predicting risk of later CVD. Conclusion High COMT activity genotype Val158Met increased the risk of CVD in depressed persons. The risk was higher in women compared to men.
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Affiliation(s)
- Aysha Almas
- Department of Public Health Sciences, Karolinska Institutet, 171 77, Stockholm, Sweden. .,Department of Medicine, Aga Khan University, Karachi, Pakistan.
| | - Yvonne Forsell
- Department of Public Health Sciences, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Vincent Millischer
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.,Neurogenetics Unit, Center for Molecular Medicine, Karolinska University Hospital, L8:00, 171 76, Stockholm, Sweden
| | - Jette Möller
- Department of Public Health Sciences, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Catharina Lavebratt
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden. .,Neurogenetics Unit, Center for Molecular Medicine, Karolinska University Hospital, L8:00, 171 76, Stockholm, Sweden.
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40
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Hupfeld KE, Vaillancourt DE, Seidler RD. Genetic markers of dopaminergic transmission predict performance for older males but not females. Neurobiol Aging 2018; 66:180.e11-180.e21. [PMID: 29525179 PMCID: PMC5924602 DOI: 10.1016/j.neurobiolaging.2018.02.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 01/08/2018] [Accepted: 02/06/2018] [Indexed: 10/18/2022]
Abstract
Mobility and memory declines with aging can limit independence. Several single-nucleotide polymorphisms have been associated with cognitive performance, but studies investigating motor function are scant. We examined 4 single-nucleotide polymorphisms involved in dopaminergic metabolism: BDNF (Val66Met), DRD3 (Ser9Gly), DBH (C>T), and COMT (Val158Met) for their relationship to motor and cognitive function in healthy older adults (n = 4605 and n = 7331) who participated in the U.S. Health and Retirement Study. Individuals with genotypes associated with reduced dopamine metabolism exhibited poorer balance and memory. We found the most pronounced effects in the oldest participants (aged 85+ years), supporting the notion that age-related declines in dopamine availability contribute to magnified genotype effects with advancing age. Moreover, males demonstrated stronger associations than did females between a number of beneficial dopamine alleles and cognitive scores, suggesting that sex differences in dopaminergic transmission interact with genotype to influence performance. These findings point to common genetic variants related to dopaminergic metabolism that characterizes individual differences in motor and cognitive function in older adults.
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Affiliation(s)
- Kathleen E Hupfeld
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA.
| | - David E Vaillancourt
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA; Center for Movement Disorders and Neurorestoration, Department of Neurology, University of Florida, Gainesville, FL, USA; Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Rachael D Seidler
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA; School of Kinesiology, University of Michigan, Ann Arbor, MI, USA
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Effects of COMT genotype and tolcapone on lapses of sustained attention after sleep deprivation in healthy young men. Neuropsychopharmacology 2018; 43:1599-1607. [PMID: 29472644 PMCID: PMC5983551 DOI: 10.1038/s41386-018-0018-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 01/15/2018] [Accepted: 01/20/2018] [Indexed: 12/26/2022]
Abstract
Tolcapone, a brain penetrant selective inhibitor of catechol-O-methyltransferase (COMT) devoid of psychostimulant properties, improves cognition and cortical information processing in rested volunteers, depending on the genotype of the functional Val158Met polymorphism of COMT. The impact of this common genetic variant on behavioral and neurophysiological markers of increased sleep need after sleep loss is controversial. Here we investigated the potential usefulness of tolcapone to mitigate consequences of sleep deprivation on lapses of sustained attention, and tested the hypothesis that dopamine signaling in the prefrontal cortex (PFC) causally contributes to neurobehavioral and neurophysiological markers of sleep homeostasis in humans. We first quantified in 73 young male volunteers the impact of COMT genotype on the evolution of attentional lapses during 40 h of extended wakefulness. Subsequently, we tested in an independent group of 30 young men whether selective inhibition of COMT activity with tolcapone counteracts attentional and neurophysiological markers of elevated sleep need in a genotype-dependent manner. Neither COMT genotype nor tolcapone affected brain electrical activity in wakefulness and sleep. By contrast, COMT genotype and tolcapone modulated the sleep loss-induced impairment of vigilant attention. More specifically, Val/Met heterozygotes produced twice as many lapses after a night without sleep than Met/Met homozygotes. Unexpectedly, tolcapone further deteriorated the sleep loss-induced performance deficits when compared to placebo, particularly in Val/Met and Met/Met genotypes. The findings suggest that PFC dopaminergic tone regulates sustained attention after sleep loss according to an inverse U-shape relationship, independently of neurophysiological markers of elevated sleep need.
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Tammimäki A, Aonurm-Helm A, Männistö PT. Delayed O-methylation of l-DOPA in MB-COMT-deficient mice after oral administration of l-DOPA and carbidopa. Xenobiotica 2018; 48:325-331. [PMID: 28375049 DOI: 10.1080/00498254.2017.1315781] [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: 03/04/2017] [Accepted: 04/02/2017] [Indexed: 06/07/2023]
Abstract
1. Catechol-O-methyltransferase (COMT) is involved in the O-methylation of l-DOPA, dopamine, and other catechols. The enzyme is expressed in two isoforms: soluble (S-COMT), which resides in the cytoplasm, and membrane-bound (MB-COMT), which is anchored to intracellular membranes. 2. To obtain specific information on the functions of COMT isoforms, we studied how a complete MB-COMT deficiency affects the total COMT activity in the body, peripheral l-DOPA levels, and metabolism after l-DOPA (10 mg kg-1) plus carbidopa (30 mg kg-1) administration by gastric tube in wild-type (WT) and MB-COMT-deficient mice. l-DOPA and 3-O-methyl-l-DOPA (3-OMD) levels were assayed in plasma, duodenum, and liver. 3. We showed that the selective lack of MB-COMT did not alter the total COMT activity, COMT enzyme kinetics, l-DOPA levels, or the total O-methylation of l-DOPA but delayed production of 3-OMD in plasma and peripheral tissues.
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Affiliation(s)
- Anne Tammimäki
- a Division of Pharmacology and Pharmacotherapy , Faculty of Pharmacy, University of Helsinki , Finland and
| | - Anu Aonurm-Helm
- b Division of Pharmacology and Toxicology , Institute of Biomedicine and Translational Medicine, Faculty of Medicine, University of Tartu , Tartu , Estonia
| | - Pekka T Männistö
- a Division of Pharmacology and Pharmacotherapy , Faculty of Pharmacy, University of Helsinki , Finland and
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A Dopamine Pathway Gene Risk Score for Cognitive Recovery Following Traumatic Brain Injury: Methodological Considerations, Preliminary Findings, and Interactions With Sex. J Head Trauma Rehabil 2018; 31:E15-29. [PMID: 26580694 DOI: 10.1097/htr.0000000000000199] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
OBJECTIVES With evidence of sexual dimorphism involving the dopamine (DA)-pathway, and the importance of DA pathways in traumatic brain injury (TBI) recovery, we hypothesized that sex × DA-gene interactions may influence cognition post-TBI. PARTICIPANTS Adult survivors of severe TBI (n = 193) consecutively recruited from a level 1 trauma center. DESIGN Risk allele assignments were made for multiple DA pathway genes using a sex-specific stratified approach. Genetic risk alleles, and their impacts on cognition, were assessed at 6 and 12 months postinjury using unweighted, semiweighted, and weighted gene risk score (GRS) approaches. MAIN MEASURES A cognitive composite score generated from 8 standardized neuropsychological tests targeting multiple cognitive domains. RESULTS A significant sex × gene interaction was observed at 6 and 12 months for ANKK1 rs1800497 (6M: P = .002, 12M: P = .001) and COMT rs4680 (6M: P = .048; 12M: P = .004); DRD2 rs6279 (P = .001) and VMAT rs363226 (P = .043) genotypes were independently associated with cognition at 6 months, with trends for a sex × gene interaction at 12 months. All GRS methods were significant predictors of cognitive performance in multivariable models. Weighted GRS multivariate models captured the greatest variance in cognition: R = 0.344 (6 months); R = 0.441 (12 months), significantly increasing the variance captured from the base prediction models. CONCLUSIONS A sex-specific DA-pathway GRS may be a valuable tool when predicting cognitive recovery post-TBI. Future work should validate these findings and explore how DA-pathway genetics may guide therapeutic intervention.
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McCane AM, DeLory MJ, Timm MM, Janetsian-Fritz SS, Lapish CC, Czachowski CL. Differential COMT expression and behavioral effects of COMT inhibition in male and female Wistar and alcohol preferring rats. Alcohol 2018; 67:15-22. [PMID: 29310047 PMCID: PMC5818329 DOI: 10.1016/j.alcohol.2017.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Revised: 08/14/2017] [Accepted: 08/15/2017] [Indexed: 10/19/2022]
Abstract
Polymorphisms of the catechol-O-methyl transferase (COMT) gene have been associated with alcoholism, suggesting that alterations in the metabolism of catecholamines may be a critical component of the neuropathology of alcoholism. In the current experiments, the COMT inhibitor tolcapone was utilized in an operant behavioral model of reinforcer-seeking and drinking to determine if this compound was capable of remediating the excessive seeking and drinking phenotype of the alcohol-preferring P rat. Tolcapone was administered to male and female alcohol-reinforced P and Wistar rats. Additionally, tolcapone was administered to male sucrose-reinforced P and Wistar rats to determine if its effects also extended to a natural reinforcer. Animals were trained to make an operant response that resulted in 20 min uninterrupted access to the reinforcer solutions. Tolcapone had no effect in female rats on either seeking or consumption of ethanol. However, reductions of both reinforcer seeking and consumption were observed in male P rats, but only of seeking in Wistars. In separate experiments, using reinforcer naïve male and female animals, COMT expression was assessed via Western Blot analysis. Sex differences in COMT expression were also observed, where male P rats exhibited a marked reduction in protein expression relative to females in the PFC. Sex differences were not observed for Wistars or in the striatum and hippocampus. These data complement our previous findings in which tolcapone reduced cue-evoked responses in P rats and further suggest clinical utility of COMT inhibitors in the treatment of addiction disorders, specifically in male high drinkers.
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Affiliation(s)
- Aqilah M McCane
- Department of Psychology, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA.
| | - Michael J DeLory
- Department of Psychology, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - Maureen M Timm
- Department of Psychology, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - Sarine S Janetsian-Fritz
- Department of Psychology, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - Christopher C Lapish
- Department of Psychology, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA; Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Institute for Mathematical Modeling and Computational Sciences, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Cristine L Czachowski
- Department of Psychology, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA; Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Dai H, Jackson CR, Davis GL, Blakely RD, McMahon DG. Is dopamine transporter-mediated dopaminergic signaling in the retina a noninvasive biomarker for attention-deficit/ hyperactivity disorder? A study in a novel dopamine transporter variant Val559 transgenic mouse model. J Neurodev Disord 2017; 9:38. [PMID: 29281965 PMCID: PMC5745861 DOI: 10.1186/s11689-017-9215-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 09/14/2017] [Indexed: 12/14/2022] Open
Abstract
Background Dopamine (DA) is a critical neuromodulator in the retina. Disruption of retinal DA synthesis and signaling significantly attenuates light-adapted, electroretinogram (ERG) responses, as well as contrast sensitivity and acuity. As these measures can be detected noninvasively, they may provide opportunities to detect disease processes linked to perturbed DA signaling. Recently, we identified a rare, functional DA transporter (DAT, SLC6A3) coding substitution, Ala559Val, in subjects with attention-deficit/hyperactivity disorder (ADHD), demonstrating that DAT Val559 imparts anomalous DA efflux (ADE) with attendant physiological, pharmacological, and behavioral phenotypes. To understand the broader impact of ADE on ADHD, noninvasive measures sensitive to DAT reversal are needed. Methods Here, we explored this question through ERG-based analysis of retinal light responses, as well as HPLC measurements of retinal DA in DAT Val559 mice. Results Male mice homozygous (HOM) for the DAT Val559 variant demonstrated increased, light-adapted ERG b-wave amplitudes compared to wild type (WT) and heterozygous (HET) mice, whereas dark-adapted responses were indistinguishable across genotypes. The elevated amplitude of the photopic light responses in HOM mice could be mimicked in WT mice by applying D1 and D4 DA receptor agonists and suppressed in HOM mice by introducing D4 antagonist, supporting elevated retinal DA signaling arising from ADE. Following the challenge with amphetamine, WT exhibited an increase in light-adapted response amplitudes, while HOM did not. Total retinal DA content was similar across genotypes. Interestingly, female DAT Val559 HOM animals revealed no significant difference in photopic ERG responses when compared with WT and HET littermates. Conclusions These data reveal that noninvasive, in vivo evaluation of retinal responses to light can reveal physiological signatures of ADE, suggesting a possible approach to the segregation of neurobehavioral disorders based on the DAT-dependent control of DA signaling.
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Affiliation(s)
- Heng Dai
- Department of Biological Sciences, Vanderbilt University, Box 35-1634 Station B, Nashville, TN, 37235-1634, USA
| | - Chad R Jackson
- Department of Biological Sciences, Vanderbilt University, Box 35-1634 Station B, Nashville, TN, 37235-1634, USA.,Present address: Defense Threat Reduction Agency, 8211 Terminal Road, Lorton, VA, 22079, USA
| | - Gwynne L Davis
- Department of Biomedical Sciences, Charles E. Schmidt College of Medicine and Brain Institute, Florida Atlantic University, Jupiter, FL, 33458, USA
| | - Randy D Blakely
- Department of Biomedical Sciences, Charles E. Schmidt College of Medicine and Brain Institute, Florida Atlantic University, Jupiter, FL, 33458, USA
| | - Douglas G McMahon
- Department of Biological Sciences, Vanderbilt University, Box 35-1634 Station B, Nashville, TN, 37235-1634, USA.
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Bozek T, Blazekovic A, Perkovic MN, Jercic KG, Sustar A, Smircic-Duvnjak L, Outeiro TF, Pivac N, Borovecki F. The influence of dopamine-beta-hydroxylase and catechol O-methyltransferase gene polymorphism on the efficacy of insulin detemir therapy in patients with type 2 diabetes mellitus. Diabetol Metab Syndr 2017; 9:97. [PMID: 29225702 PMCID: PMC5716004 DOI: 10.1186/s13098-017-0295-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 11/22/2017] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Type II diabetes is an important health problem with a complex connection to obesity, leading to a broad range of cardiovascular complications. Insulin therapy often results in weight gain and does not always ensure adequate glycemic control. However, previous studies reported that insulin detemir is an efficient long-acting insulin with a weight sparing effect. The aim of this study was to determine the association of catechol O-methyltransferase (COMT) Val108/158Met and dopamine-beta-hydroxylase (DBH) 1021C/T polymorphisms with the effectiveness of insulin detemir in achieving glucose control and body weight control. Participants and methods: This 52-week observational study included 185 patients with inadequate glycemic control treated with premix insulin analogues, which were replaced with insulin aspart and insulin detemir, and 156 healthy controls. After DNA isolation from blood samples, genotyping of DBH-1021C/T polymorphism (rs1611115) and COMT Val108/158Met polymorphism (rs4680) was performed. RESULTS Our results confirmed that insulin detemir did not lead to weight gain. The most significant finding was that A carriers (the combined AG and AA genotype) of the COMT Val108/158Met achieved significantly better hemoglobin A1c (HbA1c) values compared to patients carrying GG genotype. No association between DBH-1021C/T genotypes and weight and/or glucose control was detected in diabetes patients or in healthy control subjects. CONCLUSIONS This study showed that the presence of one or two A allele of the COMT Val108/158Met was associated with improved glycemic response, and with a better response to insulin detemir therapy in patients with type II diabetes, separating them as best candidates for detemir therapy.
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Affiliation(s)
- Tomislav Bozek
- Vuk Vrhovac University Clinic, Merkur University Hospital, Zagreb, Croatia
| | - Antonela Blazekovic
- Department for Functional Genomics, Center for Translational and Clinical Research, University of Zagreb School of Medicine, University Hospital Center Zagreb, Šalata 2, Zagreb, Croatia
| | | | - Kristina Gotovac Jercic
- Department for Functional Genomics, Center for Translational and Clinical Research, University of Zagreb School of Medicine, University Hospital Center Zagreb, Šalata 2, Zagreb, Croatia
| | - Aleksandra Sustar
- Department of Cardiology, University Hospital Center Rijeka, Rijeka, Croatia
| | | | - Tiago F. Outeiro
- Department of Experimental Neurodegeneration, Center for Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), Center for Biostructural Imaging of Neurodegeneration, University Medical Center Göttingen, Göttingen, Germany
- Max Planck Institute for Experimental Medicine, Göttingen, Germany
| | - Nela Pivac
- Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Fran Borovecki
- Department for Functional Genomics, Center for Translational and Clinical Research, University of Zagreb School of Medicine, University Hospital Center Zagreb, Šalata 2, Zagreb, Croatia
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El-Hage W, Cléry H, Andersson F, Filipiak I, Thiebaut de Schotten M, Gohier B, Surguladze S. Sex-specific effects of COMT Val158Met polymorphism on corpus callosum structure: A whole-brain diffusion-weighted imaging study. Brain Behav 2017; 7:e00786. [PMID: 28948081 PMCID: PMC5607550 DOI: 10.1002/brb3.786] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 06/12/2017] [Accepted: 06/26/2017] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Genetic polymorphisms play a significant role in determining brain morphology, including white matter structure and may thus influence the development of brain functions. The main objective of this study was to examine the effect of Val158Met (rs4680) polymorphism of Catechol-O-Methyltransferase (COMT) gene on white matter connectivity in healthy adults. METHODS We used a whole-brain diffusion-weighted imaging method with Tract-Based Spatial Statistics (TBSS) analysis to examine white matter structural integrity in intrinsic brain networks on a sample of healthy subjects (N = 82). RESULTS Results revealed a sex-specific effect of COMT on corpus callosum (CC): in males only, Val homozygotes had significantly higher fractional anisotropy (FA) compared to Met-carriers. Volume-of-interest analysis showed a genotype by sex interaction on FA in genu and rostral midbody of CC, whereby Val males demonstrated higher FA than Met females. CONCLUSIONS These results demonstrate the key effect of genes by sex interaction, rather than their individual contribution, on the corpus callosum anatomy.
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Affiliation(s)
- Wissam El-Hage
- Université François-Rabelais de ToursInserm UMR U930 'Imagerie et Cerveau' Tours France.,Clinique Psychiatrique Universitaire CHRU de Tours Tours France.,Inserm 1415 Centre d'Investigation Clinique CHRU de Tours Tours France
| | - Helen Cléry
- Université François-Rabelais de ToursInserm UMR U930 'Imagerie et Cerveau' Tours France
| | - Frederic Andersson
- Université François-Rabelais de ToursInserm UMR U930 'Imagerie et Cerveau' Tours France
| | - Isabelle Filipiak
- Université François-Rabelais de ToursInserm UMR U930 'Imagerie et Cerveau' Tours France
| | - Michel Thiebaut de Schotten
- Inserm U1127 UPMC-Paris6 UMR-S 975 CNRS UMR 7225 Brain and Spine Institute Groupe Hospitalier Pitié-Salpetrière Paris France.,Brain Connectivity and Behaviour Group Frontlab, Brain and Spine Institute Paris France
| | | | - Simon Surguladze
- Institute of Psychiatry, Psychology & Neuroscience King's College London London UK.,Social & Affective Neuroscience Laboratory Ilia State University Tbilisi Georgia
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Pellegrini S, Palumbo S, Iofrida C, Melissari E, Rota G, Mariotti V, Anastasio T, Manfrinati A, Rumiati R, Lotto L, Sarlo M, Pietrini P. Genetically-Driven Enhancement of Dopaminergic Transmission Affects Moral Acceptability in Females but Not in Males: A Pilot Study. Front Behav Neurosci 2017; 11:156. [PMID: 28900390 PMCID: PMC5581873 DOI: 10.3389/fnbeh.2017.00156] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 08/08/2017] [Indexed: 11/13/2022] Open
Abstract
Moral behavior has been a key topic of debate for philosophy and psychology for a long time. In recent years, thanks to the development of novel methodologies in cognitive sciences, the question of how we make moral choices has expanded to the study of neurobiological correlates that subtend the mental processes involved in moral behavior. For instance, in vivo brain imaging studies have shown that distinct patterns of brain neural activity, associated with emotional response and cognitive processes, are involved in moral judgment. Moreover, while it is well-known that responses to the same moral dilemmas differ across individuals, to what extent this variability may be rooted in genetics still remains to be understood. As dopamine is a key modulator of neural processes underlying executive functions, we questioned whether genetic polymorphisms associated with decision-making and dopaminergic neurotransmission modulation would contribute to the observed variability in moral judgment. To this aim, we genotyped five genetic variants of the dopaminergic pathway [rs1800955 in the dopamine receptor D4 (DRD4) gene, DRD4 48 bp variable number of tandem repeat (VNTR), solute carrier family 6 member 3 (SLC6A3) 40 bp VNTR, rs4680 in the catechol-O-methyl transferase (COMT) gene, and rs1800497 in the ankyrin repeat and kinase domain containing 1 (ANKK1) gene] in 200 subjects, who were requested to answer 56 moral dilemmas. As these variants are all located in genes belonging to the dopaminergic pathway, they were combined in multilocus genetic profiles for the association analysis. While no individual variant showed any significant effects on moral dilemma responses, the multilocus genetic profile analysis revealed a significant gender-specific influence on human moral acceptability. Specifically, those genotype combinations that improve dopaminergic signaling selectively increased moral acceptability in females, by making their responses to moral dilemmas more similar to those provided by males. As females usually give more emotionally-based answers and engage the "emotional brain" more than males, our results, though preliminary and therefore in need of replication in independent samples, suggest that this increase in dopamine availability enhances the cognitive and reduces the emotional components of moral decision-making in females, thus favoring a more rationally-driven decision process.
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Affiliation(s)
- Silvia Pellegrini
- Department of Experimental and Clinical Medicine, University of PisaPisa, Italy
| | - Sara Palumbo
- Department of Surgical, Medical, Molecular Pathology and Critical Care, University of PisaPisa, Italy
| | | | - Erika Melissari
- Department of Surgical, Medical, Molecular Pathology and Critical Care, University of PisaPisa, Italy
| | - Giuseppina Rota
- Clinical Psychology Branch, Azienda Ospedaliero-Universitaria PisanaPisa, Italy
| | - Veronica Mariotti
- Department of Experimental and Clinical Medicine, University of PisaPisa, Italy
| | - Teresa Anastasio
- Department of Experimental and Clinical Medicine, University of PisaPisa, Italy
| | - Andrea Manfrinati
- Applied Research Division for Cognitive and Psychological Science, European Institute of OncologyMilan, Italy
| | - Rino Rumiati
- Department of Developmental Psychology and Socialization and Center for Cognitive Neuroscience, University of PadovaPadova, Italy
| | - Lorella Lotto
- Department of Developmental Psychology and Socialization and Center for Cognitive Neuroscience, University of PadovaPadova, Italy
| | - Michela Sarlo
- Department of General Psychology and Center for Cognitive Neuroscience, University of PadovaPadova, Italy
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Effect of catechol-O-methyltransferase Val158Met polymorphism on resting-state brain default mode network after acupuncture stimulation. Brain Imaging Behav 2017; 12:798-805. [DOI: 10.1007/s11682-017-9735-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Adolescence is the starting point of sex-dichotomous COMT genetic effects. Transl Psychiatry 2017; 7:e1141. [PMID: 28556830 PMCID: PMC5584523 DOI: 10.1038/tp.2017.109] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 02/28/2017] [Accepted: 04/11/2017] [Indexed: 01/09/2023] Open
Abstract
The catechol-o-methyltransferase (COMT) genetic variations produce pleiotropic behavioral/neuroanatomical effects. Some of these effects may vary among sexes. However, the developmental trajectories of COMT-by-sex interactions are unclear. Here we found that extreme COMT reduction, in both humans (22q11.2 deletion syndrome COMT Met) and mice (COMT-/-), was associated to cortical thinning only after puberty and only in females. Molecular biomarkers, such as tyrosine hydroxylase, Akt and neuronal/cellular counting, confirmed that COMT-by-sex divergent effects started to appear at the cortical level during puberty. These biochemical differences were absent in infancy. Finally, developmental cognitive assessment in 22q11DS and COMT knockout mice established that COMT-by-sex-dichotomous effects in executive functions were already apparent in adolescence. These findings uncover that genetic variations severely reducing COMT result in detrimental cortical and cognitive development selectively in females after their sexual maturity. This highlights the importance of taking into account the combined effect of genetics, sex and developmental stage.
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