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An Overview of the Molecular Cues and Their Intracellular Signaling Shared by Cancer and the Nervous System: From Neurotransmitters to Synaptic Proteins, Anatomy of an All-Inclusive Cooperation. Int J Mol Sci 2022; 23:ijms232314695. [PMID: 36499024 PMCID: PMC9739679 DOI: 10.3390/ijms232314695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022] Open
Abstract
We propose an overview of the molecular cues and their intracellular signaling involved in the crosstalk between cancer and the nervous system. While "cancer neuroscience" as a field is still in its infancy, the relation between cancer and the nervous system has been known for a long time, and a huge body of experimental data provides evidence that tumor-nervous system connections are widespread. They encompass different mechanisms at different tumor progression steps, are multifaceted, and display some intriguing analogies with the nervous system's physiological processes. Overall, we can say that many of the paradigmatic "hallmarks of cancer" depicted by Weinberg and Hanahan are affected by the nervous system in a variety of manners.
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Staes N, Guevara EE, Hopkins WD, Schapiro SJ, Eens M, Sherwood CC, Bradley BJ. The Role of Serotonergic Gene Methylation in Regulating Anxiety-Related Personality Traits in Chimpanzees. BIOLOGY 2022; 11:1673. [PMID: 36421387 PMCID: PMC9687614 DOI: 10.3390/biology11111673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/11/2022] [Accepted: 11/16/2022] [Indexed: 11/19/2022]
Abstract
While low serotonergic activity is often associated with psychological disorders such as depression, anxiety, mood, and personality disorders, variations in serotonin also contribute to normal personality differences. In this study, we investigated the role of blood DNA methylation levels at individual CpG sites of two key serotonergic genes (serotonin receptor gene 1A, HTR1A; serotonin transporter gene, SLC6A4) in predicting the personalities of captive chimpanzees. We found associations between methylation at 9/48 CpG sites with four personality dimensions: Dominance, Reactivity/Dependability, Agreeableness, and Openness. Directionality of effects were CpG location-dependent and confirmed a role of serotonergic methylation in reducing anxiety (Dominance) and aggression-related personality (Reactivity/Undependability) while simultaneously promoting prosocial (Agreeableness) and exploratory personalities (Openness). Although early-life adversity has been shown to impact serotonergic methylation patterns in other species, here, atypical early social rearing experiences only had a modest impact on CpG methylation levels in this chimpanzee sample. The precise environmental factors impacting serotonergic methylation in chimpanzees remain to be identified. Nevertheless, our study suggests a role in shaping natural variation in animal personalities. The results of this study offer a basis for future hypothesis-driven testing in additional populations and species to better understand the impact of ecology and evolution on complex behavioral traits.
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Affiliation(s)
- Nicky Staes
- Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Washington, DC 20052, USA
- Behavioural Ecology and Ecophysiology Group, Department of Biology, University of Antwerp, 2610 Antwerp, Belgium
- Centre for Research and Conservation, Royal Zoological Society of Antwerp, Koningin Astridplein 26, 2018 Antwerp, Belgium
| | - Elaine E. Guevara
- Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Washington, DC 20052, USA
| | - William D. Hopkins
- Michale E. Keeling Center for Comparative Medicine and Research, The University of Texas MD Anderson Cancer Center, Bastrop, TX 78602, USA
| | - Steven J. Schapiro
- Michale E. Keeling Center for Comparative Medicine and Research, The University of Texas MD Anderson Cancer Center, Bastrop, TX 78602, USA
| | - Marcel Eens
- Behavioural Ecology and Ecophysiology Group, Department of Biology, University of Antwerp, 2610 Antwerp, Belgium
| | - Chet C. Sherwood
- Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Washington, DC 20052, USA
| | - Brenda J. Bradley
- Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Washington, DC 20052, USA
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Woo S, Nah S, Kim M, Kim S, Lee D, Moon J, Han S. Risk of Epilepsy in Children Presenting to Emergency Departments with Their First Afebrile Seizure: A Retrospective Multicenter Study. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9111741. [PMID: 36421191 PMCID: PMC9689254 DOI: 10.3390/children9111741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022]
Abstract
Seizure is one of the most common neurologic disorders in pediatric emergency department visits. Early detection of epilepsy development in children with afebrile seizures is important. We identified predictors of epilepsy development in children with their first afebrile seizure. In this retrospective multicenter study, we enrolled pediatric patients aged 1 month to 18 years who presented with afebrile seizures at the emergency department from January 2017 to December 2020. Multivariable logistic regression analysis was performed to identify factors associated with epilepsy development. A total of 417 pediatric patients were enrolled, 161 (38.6%) of whom developed epilepsy. From the multivariable logistic regression analysis, older age at onset (2−5 years, odds ratio [OR] 2.611, p = 0.010; 11−15 years, OR 3.138, p = 0.003; 16−18 years, OR 4.292, p = 0.002), longer seizure duration of more than 10 min (OR 4.869, p = 0.006), two or more seizures (OR 2.378, p = 0.004), lethargy (OR 2.341, p = 0.021), and a lactate level > 2.27 mg/dL (OR 4.205, p < 0.001) were significant predictors for the development of epilepsy in children experiencing their first afebrile seizure.
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Affiliation(s)
- Seungho Woo
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
| | - Sangun Nah
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
| | - Minsol Kim
- Department of Pediatrics, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
| | - Sangil Kim
- Department of Emergency Medicine, Soonchunhyang University Seoul Hospital, Seoul 04401, Korea
| | - Dongwook Lee
- Department of Emergency Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Korea
| | - Jieun Moon
- Department of Biostatistics, Clinical Trial Center, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
| | - Sangsoo Han
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
- Correspondence:
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Co-Expression of Adaptor Protein FAM159B with Different Markers for Neuroendocrine Cells: An Immunocytochemical and Immunohistochemical Study. Int J Mol Sci 2022; 23:ijms232113503. [DOI: 10.3390/ijms232113503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/23/2022] [Accepted: 11/03/2022] [Indexed: 11/06/2022] Open
Abstract
Little is known about the adaptor protein FAM159B. Recently, FAM159B was shown to be particularly expressed in neuroendocrine cells and tissues, such as pancreatic islets and neuroendocrine cells of the bronchopulmonary and gastrointestinal tracts, as well as in different types of neuroendocrine tumours. To gain insights into possible interactions of FAM159B with other proteins and/or receptors, we analysed the co-expression of FAM159B and various neuroendocrine-specific markers in the cancer cell lines BON-1, PC-3, NCI-h82, OH-1, and A431 and also in human pancreatic tissues and pancreatic neuroendocrine tumours. The markers included prominent markers of neuroendocrine differentiation, such as chromogranin A (CgA), neuron-specific enolase (NSE), synaptophysin (SYP), insulinoma-associated protein 1 (INSM1), neural cell adhesion molecule 1 (NCAM1), serotonin (5-HT), somatostatin-14/28 (SST), and several receptors that are typically expressed by neuroendocrine cells, such as dopamine receptor 2 (D2R), somatostatin receptor (SSTR) 1, 2, 3, 4 and 5, and regulator of G-protein signalling 9 (RGS9). FAM159B was expressed evenly throughout the cytosol in all five cancer cell lines. Immunocytochemical and immunohistochemical analyses revealed co-expression of FAM159B with SYP, INSM1, RGS9, D2R, SSTR2, SSTR3, SSTR4, and SSTR5 and strong overlapping co-localisation with NSE. Double-labelling and co-immunoprecipitation Western blot analyses confirmed a direct association between FAM159B and NSE. These results suggest the involvement of FAM159B in several intracellular signalling pathways and a direct or indirect influence on diverse membrane proteins and receptors.
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Mohammadpour-Haratbar A, Zare Y, Rhee KY. Electrochemical biosensors based on polymer nanocomposites for detecting breast cancer: Recent progress and future prospects. Adv Colloid Interface Sci 2022; 309:102795. [DOI: 10.1016/j.cis.2022.102795] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 10/03/2022] [Accepted: 10/03/2022] [Indexed: 12/13/2022]
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dos Santos CV, Kerkhoff J, Tomazelli CA, Wenceslau CF, Sinhorin AP, de Jesus Rodrigues D, Carneiro FS, Bomfim GF. Vasoconstrictor and hemodynamic effects of a methanolic extract from Rhinella marina toad poison. Toxicon 2022; 218:57-65. [PMID: 36113683 PMCID: PMC9832923 DOI: 10.1016/j.toxicon.2022.08.018] [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: 05/04/2022] [Revised: 08/10/2022] [Accepted: 08/28/2022] [Indexed: 01/13/2023]
Abstract
Rhinella marina toad is abundant in Brazil. Its poison contains cardiac glycosides called bufadienolides, which are extensively investigated for their bioactivity. Our aim was to characterize the vasoactivity of Rhinella marina poison (RmP) on the aorta of male Wistar rats. For this, the RmP was first collected and processed to obtain an alcoholic extract. To determine cardiovascular effects of RmP, we performed in vivo tests by administering RmP intravenously in doses of 0.1-0.8 mg/kg. Vascular reactivity was also performed through concentration-response curves to RmP (10 ng/mL to 200 μg/mL) in aortic segments with and without endothelium. RmP induced a concentration-dependent contraction in rat aorta which was partly endothelium-mediated. Nitric oxide contributes with this response in view that incubation with L-NAME increased the contractile response. Additionally, treatment with indomethacin [cyclooxygenase, (COX) inhibitor], nifedipine (L-type voltage-gated calcium channels blocker), and BQ-123 (ETA receptors antagonist) decreased maximum response, and ketanserin (5-HT2 receptors antagonist) decreased pEC50, suggesting active participation of these pathways in the contractile response. On the other hand, apocynin (NADPH oxidase inhibitor) did not alter contractility. Incubation with prazosin (α1-adrenergic receptor antagonist) abolished the contractile response, suggesting that the RmP-induced contraction is dependent on the adrenergic pathway. In the Na+/K+ ATPase protocol, a higher Emax was observed in the RmP experimental group, suggesting that RmP potentiated Na+/K+ATPase hyperpolarizing response. When this extract was injected (i.v.) in vivo, increase in blood pressure and decrease in heart rate were observed. The results were immediate and transitory, and occurred in a dose-dependent manner. Overall, these data suggest that the poison extract of R. marina toad has an important vasoconstrictor action and subsequent vasopressor effects, and its use can be investigated to some cardiovascular disorders.
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Affiliation(s)
- Cintia Vieira dos Santos
- NUPADS – Health Education and Research Center, Institute of Health Sciences, Federal University of Mato Grosso, 78550-728, Sinop, MT, Brazil,Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo, 14049-900, Ribeirão Preto, SP, Brazil
| | - Jacqueline Kerkhoff
- Institute of Natural, Humanities and Social Sciences, Federal University of Mato Grosso, 78577-267, Sinop, MT, Brazil
| | - Caroline Aparecida Tomazelli
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, 05508-000, São Paulo, SP, Brazil
| | - Camilla Ferreira Wenceslau
- Cardiovascular Translational Research Center, Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, SC, 29209, USA
| | - Adilson Paulo Sinhorin
- Institute of Natural, Humanities and Social Sciences, Federal University of Mato Grosso, 78577-267, Sinop, MT, Brazil
| | - Domingos de Jesus Rodrigues
- Institute of Natural, Humanities and Social Sciences, Federal University of Mato Grosso, 78577-267, Sinop, MT, Brazil
| | - Fernando Silva Carneiro
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo, 14049-900, Ribeirão Preto, SP, Brazil
| | - Gisele Facholi Bomfim
- NUPADS – Health Education and Research Center, Institute of Health Sciences, Federal University of Mato Grosso, 78550-728, Sinop, MT, Brazil,Corresponding author. Av. Alexandre Ferronato, 1200, Setor Industrial, 78550-728, Sinop, Mato Grosso, Brazil. (G.F. Bomfim)
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Caniceiro AB, Bueschbell B, Schiedel AC, Moreira IS. Class A and C GPCR Dimers in Neurodegenerative Diseases. Curr Neuropharmacol 2022; 20:2081-2141. [PMID: 35339177 PMCID: PMC9886835 DOI: 10.2174/1570159x20666220327221830] [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: 09/14/2021] [Revised: 02/21/2022] [Accepted: 03/23/2022] [Indexed: 11/22/2022] Open
Abstract
Neurodegenerative diseases affect over 30 million people worldwide with an ascending trend. Most individuals suffering from these irreversible brain damages belong to the elderly population, with onset between 50 and 60 years. Although the pathophysiology of such diseases is partially known, it remains unclear upon which point a disease turns degenerative. Moreover, current therapeutics can treat some of the symptoms but often have severe side effects and become less effective in long-term treatment. For many neurodegenerative diseases, the involvement of G proteincoupled receptors (GPCRs), which are key players of neuronal transmission and plasticity, has become clearer and holds great promise in elucidating their biological mechanism. With this review, we introduce and summarize class A and class C GPCRs, known to form heterodimers or oligomers to increase their signalling repertoire. Additionally, the examples discussed here were shown to display relevant alterations in brain signalling and had already been associated with the pathophysiology of certain neurodegenerative diseases. Lastly, we classified the heterodimers into two categories of crosstalk, positive or negative, for which there is known evidence.
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Affiliation(s)
- Ana B. Caniceiro
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal; ,These authors contributed equally to this work.
| | - Beatriz Bueschbell
- PhD Programme in Experimental Biology and Biomedicine, Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Casa Costa Alemão, 3030-789 Coimbra, Portugal; ,These authors contributed equally to this work.
| | - Anke C. Schiedel
- Department of Pharmaceutical & Medicinal Chemistry, Pharmaceutical Institute, University of Bonn, D-53121 Bonn, Germany;
| | - Irina S. Moreira
- University of Coimbra, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal; ,Center for Neuroscience and Cell Biology, Center for Innovative Biomedicine and Biotechnology, 3004-504 Coimbra, Portugal,Address correspondence to this author at the Center for Neuroscience and Cell Biology, Center for Innovative Biomedicine and Biotechnology, 3004-504 Coimbra, Portugal; E-mail:
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Monteiro BP, Lascelles BDX, Murrell J, Robertson S, Steagall PVM, Wright B. 2022
WSAVA
guidelines for the recognition, assessment and treatment of pain. J Small Anim Pract 2022. [DOI: 10.1111/jsap.13566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- B. P. Monteiro
- Department of Clinical Sciences, Faculty of Veterinary Medicine Université de Montréal 3200 rue Sicotte, Saint‐Hyacinthe Quebec Canada
| | - B. D. X. Lascelles
- Comparative Pain Research Laboratory and Surgery Section North Carolina State University 4700 Hillsborough Street Raleigh NC USA
| | - J. Murrell
- Highcroft Veterinary Referrals 615 Wells Rd, Whitchurch Bristol BS149BE UK
| | - S. Robertson
- Senior Medical Director Lap of Love Veterinary Hospice 17804 N US Highway 41 Lutz FL 33549 USA
| | - P. V. M. Steagall
- Department of Clinical Sciences, Faculty of Veterinary Medicine Université de Montréal 3200 rue Sicotte, Saint‐Hyacinthe Quebec Canada
| | - B. Wright
- Mistral Vet 4450 Thompson Pkwy Fort Collins CO 80534 USA
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Legan TB, Lavoie B, Mawe GM. Direct and indirect mechanisms by which the gut microbiota influence host serotonin systems. Neurogastroenterol Motil 2022; 34:e14346. [PMID: 35246905 PMCID: PMC9441471 DOI: 10.1111/nmo.14346] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 02/22/2022] [Indexed: 12/18/2022]
Abstract
Mounting evidence highlights the pivotal role of enteric microbes as a dynamic interface with the host. Indeed, the gut microbiota, located in the lumen of the gastrointestinal (GI) tract, influence many essential physiological processes that are evident in both healthy and pathological states. A key signaling molecule throughout the body is serotonin (5-hydroxytryptamine; 5-HT), which acts in the GI tract to regulate numerous gut functions including intestinal motility and secretion. The gut microbiota can modulate host 5-HT systems both directly and indirectly. Direct actions of gut microbes, evidenced by studies using germ-free animals or antibiotic administration, alter the expression of key 5-HT-related genes to promote 5-HT biosynthesis. Indirectly, the gut microbiota produce numerous microbial metabolites, whose actions can influence host serotonergic systems in a variety of ways. This review summarizes the current knowledge regarding mechanisms by which gut bacteria act to regulate host 5-HT and 5-HT-mediated gut functions, as well as implications for 5-HT in the microbiota-gut-brain axis.
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Affiliation(s)
- Theresa B Legan
- Department of Neurological Sciences, University of Vermont, Burlington, Vermont, USA
| | - Brigitte Lavoie
- Department of Neurological Sciences, University of Vermont, Burlington, Vermont, USA
| | - Gary M Mawe
- Department of Neurological Sciences, University of Vermont, Burlington, Vermont, USA
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Woldańska-Okońska M, Koszela K. Chronic-Exposure Low-Frequency Magnetic Fields (Magnetotherapy and Magnetic Stimulation) Influence Serum Serotonin Concentrations in Patients with Low Back Pain-Clinical Observation Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:9743. [PMID: 35955097 PMCID: PMC9368470 DOI: 10.3390/ijerph19159743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 08/05/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
(1) Background: The influence of serotonin on many regulatory mechanisms has not been sufficiently studied. The use of a physical method, assuming the possibility of its action on increasing the concentration of serotonin, may be the direction of therapy limiting the number of antidepressants used. The aim of the research was to study the effects of low-frequency magnetic fields of different characteristics on the circadian profile of serotonin in men with low back pain. (2) Methods: 16 men with back pain syndrome participated in the study. The patients were divided into two groups. In group 1, magnetotherapy (2.9 mT, 40 Hz, square wave, bipolar) was applied at 10.00 a.m. In group 2, the M2P2 magnetic stimulation program of the Viofor JPS device was used. Treatments in each group lasted 3 weeks, 5 days each, with breaks for Saturday and Sunday. The daily serotonin profile was determined the day before the exposure and the day after the last treatment. Blood samples (at night with red light) were collected at 8:00, 12:00, 16:00, 24:00, and 4:00. The patients did not suffer from any chronic or acute disease and were not taking any medications. (3) Results: In group 1, a significant increase in serotonin concentration was observed after 15 treatments at 4:00. In group 2, a significant increase in serotonin concentration was observed at 8:00 after the end of the treatments. In comparison between magnetotherapy and magnetic stimulation, the time points at which differences appeared after the application of serotonin occurred due to the increase in its concentrations after the application of magnetic stimulation. (4) Conclusions: Magnetotherapy and magnetic stimulation, acting in a similar way, increase the concentration of serotonin. Weak magnetic fields work similarly to the stronger ones used in TMS. It is possible to use them in the treatment of mental disorders or other diseases with low serotonin concentrations.
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Affiliation(s)
| | - Kamil Koszela
- Neuroorthopedics and Neurology Clinic and Polyclinic, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland
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Domingues RR, Beard AD, Connelly MK, Wiltbank MC, Hernandez LL. Fluoxetine-induced perinatal morbidity in a sheep model. Front Med (Lausanne) 2022; 9:955560. [PMID: 35991651 PMCID: PMC9386076 DOI: 10.3389/fmed.2022.955560] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 07/21/2022] [Indexed: 11/13/2022] Open
Abstract
Selective serotonin reuptake inhibitors (SSRI) are the most common antidepressants used by pregnant women. However, adverse pregnancy outcomes have been described in women taking SSRI during pregnancy—placental lesions, premature birth, poor neonatal adaptation. We aimed to investigate the effects of fluoxetine (Prozac® most commonly used SSRI) treatment during the last month of gestation on pregnancy complications, placental and neonatal health in a non-depressed sheep model. On day 119 ± 1 postbreeding (experimental day 0; E0) of a 151-day expected gestation, Hampshire ewes were randomly assigned to receive fluoxetine (n = 9 ewes, 15 lambs; daily intravenously treatment with 10 mg/kg on E0 and E1 and 5 mg/kg daily thereafter until parturition) or to a control group (n = 10; 14 lambs; vehicle only). Blood samples from ewes were collected throughout the experimental period and postpartum; blood from lambs were collected postpartum. Analysis of variance was used for statistical analysis. Fluoxetine treatment reduced placentome growth during the last month of pregnancy. Gestation length was decreased by 4.5 days in fluoxetine-treated ewes. Birthweight was reduced in lambs exposed to fluoxetine in utero; weights remained decreased until postnatal day 3. Placentome diameter by birthweight ratio was not different between groups suggesting that the decreased placentome diameter was accompanied by decreased lamb birthweight. During the first week postnatal, lambs exposed to fluoxetine in utero had decreased blood pH and decreased total carbon dioxide, bicarbonate, and base excess and increased lactate (days 3–6), collectively indicative of metabolic acidemia. Additionally, ionized calcium was decreased between postnatal days 0 to 4 in lambs exposed to fluoxetine in utero. Using a non-depressed animal model clearly defines a role for SSRI on the occurrence of perinatal complications and neonatal morbidity. The decreased placentome diameter, shortened gestation, decreased birthweight, decreased calcium levels, and neonatal acidemia suggest the occurrence of intrauterine growth restriction. The persistence of neonatal acidemia for several days postpartum suggests poor neonatal adaptation to extrauterine environment.
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Affiliation(s)
- Rafael R. Domingues
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Adam D. Beard
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Meghan K. Connelly
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
| | - Milo C. Wiltbank
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Laura L. Hernandez
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, United States
- *Correspondence: Laura L. Hernandez
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Taniya MA, Chung HJ, Al Mamun A, Alam S, Aziz MA, Emon NU, Islam MM, Hong STS, Podder BR, Ara Mimi A, Aktar Suchi S, Xiao J. Role of Gut Microbiome in Autism Spectrum Disorder and Its Therapeutic Regulation. Front Cell Infect Microbiol 2022; 12:915701. [PMID: 35937689 PMCID: PMC9355470 DOI: 10.3389/fcimb.2022.915701] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 06/22/2022] [Indexed: 12/14/2022] Open
Abstract
Autism spectrum disorder (ASD) is a neurological disorder that affects normal brain development. The recent finding of the microbiota–gut–brain axis indicates the bidirectional connection between our gut and brain, demonstrating that gut microbiota can influence many neurological disorders such as autism. Most autistic patients suffer from gastrointestinal (GI) symptoms. Many studies have shown that early colonization, mode of delivery, and antibiotic usage significantly affect the gut microbiome and the onset of autism. Microbial fermentation of plant-based fiber can produce different types of short-chain fatty acid (SCFA) that may have a beneficial or detrimental effect on the gut and neurological development of autistic patients. Several comprehensive studies of the gut microbiome and microbiota–gut–brain axis help to understand the mechanism that leads to the onset of neurological disorders and find possible treatments for autism. This review integrates the findings of recent years on the gut microbiota and ASD association, mainly focusing on the characterization of specific microbiota that leads to ASD and addressing potential therapeutic interventions to restore a healthy balance of gut microbiome composition that can treat autism-associated symptoms.
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Affiliation(s)
- Masuma Afrin Taniya
- Department of Life Sciences, School of Environment and Life Science, Independent University, Dhaka, Bangladesh
| | - Hea-Jong Chung
- Gwanju Center, Korea Basic Science Institute, Gwanju, South Korea
- *Correspondence: Hea-Jong Chung, ; Jian Xiao,
| | - Abdullah Al Mamun
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Safaet Alam
- Drugs and Toxins Research Division, BCSIR Laboratories, Rajshahi, Bangladesh Council of Scientific and Industrial Research, Rajshahi, Bangladesh
| | - Md. Abdul Aziz
- Department of Pharmacy, Faculty of Pharmacy and Health Sciences, State University of Bangladesh, Dhaka, Bangladesh
| | - Nazim Uddin Emon
- Department of Pharmacy, Faculty of Science and Engineering, International Islamic University Chittagong, Chattogram, Bangladesh
| | - Md. Minarul Islam
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, South Korea
| | - Seong-T shool Hong
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, South Korea
| | - Bristy Rani Podder
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh
| | - Anjuman Ara Mimi
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Suzia Aktar Suchi
- Department of Pharmacy, College of Pharmacy, Chosun University, Gwangju, South Korea
| | - Jian Xiao
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
- Department of Hand Surgery and Peripheral Neurosurgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- *Correspondence: Hea-Jong Chung, ; Jian Xiao,
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Cai Y, Li X, Zhou H, Zhou J. The serotonergic system dysfunction in diabetes mellitus. Front Cell Neurosci 2022; 16:899069. [PMID: 35910256 PMCID: PMC9331500 DOI: 10.3389/fncel.2022.899069] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
Most peripheral serotonin (5-HT) is synthesized in enterochromaffin cells, and most circulating 5-HT is stored in platelets. As a monoamine, 5-HT has several functions in various non-neuronal and neuronal systems. In the central nervous system, it functions as a neurotransmitter to modulate feeding behavior and mood. Numerous clinical trials have focused on increasing 5-HT activation in the central nervous system, including those involving anti-obesity drugs currently in the market, although severe side effects on peripheral system can lead to the withdrawal of certain drugs. Recent studies have revealed that both the peripheral and central serotonergic systems play a vital role in diabetes and its complications. This review summarizes the roles of the serotonergic system in blood glucose regulation, diabetic macroangiopathy, diabetic peripheral neuropathy, and diabetic encephalopathy, indicating its potential clinical significance as a therapeutic target for the treatment of diabetes and its complications.
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Laureano-Melo R, Dos-Santos RC, da Conceição RR, de Souza JS, da Silva Almeida C, Reis LC, Marinho BG, Giannocco G, Ahmed RG, da Silva Côrtes W. Neonatal D-fenfluramine treatment promotes long-term behavioral changes in adult mice. Int J Dev Neurosci 2022; 82:486-498. [PMID: 35718760 DOI: 10.1002/jdn.10204] [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: 01/03/2022] [Revised: 05/27/2022] [Accepted: 06/01/2022] [Indexed: 11/10/2022] Open
Abstract
Serotonin exerts a significant role in the mammalian central nervous system embryogenesis and brain ontogeny. Therefore, we investigate the effect of neonatal treatment of d-fenfluramine (d-FEN), a serotonin (5-HT) releaser, on the behavioral expression of adult male Swiss mice. For this purpose, we divided pregnant female Swiss mice into two groups (n = 6 each and ~35 g). Their offspring were treated with d-FEN (3 mg/kg, s.c.) from postnatal days (PND) 5 to 20. At PND 21, one male puppy of each litter was euthanized; the midbrain and the hippocampus were dissected for RNA analysis. At PND 70, the male offspring underwent a behavioral assessment in the open field, elevated plus-maze, light-dark box, tail suspension, and rotarod test. The programmed animals had a decrease in 5HT1a, serotonin transporter (SERT), and brain-derived neurotrophic factor (BDNF) expression in the mesencephalic raphe region. Alternatively, there was a reduction only in the tryptophan hydroxylase (TPH2) and BDNF expression in the hippocampus. In the light-dark box test, offspring of the treated group had higher latency to light and less time on the light side than the control. Also, it was observed less time of immobility in the tail suspension test. We also observed low motor skill learning in the rotarod test. These findings suggest that programming with d-FEN during the neonatal period alters a mesencephalic and hippocampal serotonergic system, promoting anxiety, antidepressant behavior, low coordination, and motor learning in adults.
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Affiliation(s)
- Roberto Laureano-Melo
- Multicenter and Regular Graduate Program in Physiological Sciences, Department of Physiological Sciences, Institute of Biology, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil.,Behavioral Physiopharmacology Laboratory, Barra Mansa Center University, Rio de Janeiro, Brazil
| | - Raoni Conceição Dos-Santos
- Multicenter and Regular Graduate Program in Physiological Sciences, Department of Physiological Sciences, Institute of Biology, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil
| | - Rodrigo Rodrigues da Conceição
- Molecular and Translational Endocrinology Laboratory, Department of Medicine, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Janaina Sena de Souza
- Molecular and Translational Endocrinology Laboratory, Department of Medicine, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Claudio da Silva Almeida
- Multicenter and Regular Graduate Program in Physiological Sciences, Department of Physiological Sciences, Institute of Biology, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil
| | - Luís Carlos Reis
- Multicenter and Regular Graduate Program in Physiological Sciences, Department of Physiological Sciences, Institute of Biology, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil
| | - Bruno Guimarães Marinho
- Multicenter and Regular Graduate Program in Physiological Sciences, Department of Physiological Sciences, Institute of Biology, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil
| | - Gisele Giannocco
- Molecular and Translational Endocrinology Laboratory, Department of Medicine, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Ragab Gaber Ahmed
- Division of Anatomy and Embryology, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Wellington da Silva Côrtes
- Multicenter and Regular Graduate Program in Physiological Sciences, Department of Physiological Sciences, Institute of Biology, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil
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Leong KH, Yip HT, Kuo CF, Tsai SY. Treatments of chronic fatigue syndrome and its debilitating comorbidities: a 12-year population-based study. J Transl Med 2022; 20:268. [PMID: 35690765 PMCID: PMC9187893 DOI: 10.1186/s12967-022-03461-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/25/2022] [Indexed: 12/03/2022] Open
Abstract
Background This study aims to provide 12-year nationwide epidemiology data to investigate the epidemiology and comorbidities of and therapeutic options for chronic fatigue syndrome (CFS) by analyzing the National Health Insurance Research Database. Methods 6306 patients identified as having CFS during the 2000–2012 period and 6306 controls (with similar distributions of age and sex) were analyzed. Result The patients with CFS were predominantly female and aged 35–64 years in Taiwan and presented a higher proportion of depression, anxiety disorder, insomnia, Crohn’s disease, ulcerative colitis, renal disease, type 2 diabetes, gout, dyslipidemia, rheumatoid arthritis, Sjogren syndrome, and herpes zoster. The use of selective serotonin receptor inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), Serotonin antagonist and reuptake inhibitors (SARIs), Tricyclic antidepressants (TCAs), benzodiazepine (BZD), Norepinephrine-dopamine reuptake inhibitors (NDRIs), muscle relaxants, analgesic drugs, psychotherapies, and exercise therapies was prescribed significantly more frequently in the CFS cohort than in the control group. Conclusion This large national study shared the mainstream therapies of CFS in Taiwan, we noticed these treatments reported effective to relieve symptoms in previous studies. Furthermore, our findings indicate that clinicians should have a heightened awareness of the comorbidities of CFS, especially in psychiatric problems.
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Affiliation(s)
- Kam-Hang Leong
- Department of Medicine, Mackay Medical College, New Taipei City, 252, Taiwan.,Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, 21205, USA
| | - Hei-Tung Yip
- Management Office for Health Data, China Medical University Hospital, Taichung City, 404, Taiwan
| | - Chien-Feng Kuo
- Department of Medicine, Mackay Medical College, New Taipei City, 252, Taiwan.,Institute of Infectious Disease, Mackay Memorial Hospital, Taipei City, 104, Taiwan.,Department of Nursing, Nursing and Management, MacKay Junior College of Medicine, New Taipei City, 25245, Taiwan
| | - Shin-Yi Tsai
- Department of Medicine, Mackay Medical College, New Taipei City, 252, Taiwan. .,Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, 21205, USA. .,Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, 252, Taiwan. .,Institute of Long-Term Care, Mackay Medical College, New Taipei City, 252, Taiwan. .,Department of Department of Laboratory Medicine, Mackay Memorial Hospital, Taipei, 104, Taiwan.
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66
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Zeng T, Su HA, Liu YL, Li JF, Jiang DX, Lu YY, Qi YX. Serotonin modulates insect gut bacterial community homeostasis. BMC Biol 2022; 20:105. [PMID: 35550116 PMCID: PMC9103294 DOI: 10.1186/s12915-022-01319-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 04/29/2022] [Indexed: 01/12/2023] Open
Abstract
Background Metazoan guts are in permanent contact with microbial communities. However, the host mechanisms that have developed to manage the dynamic changes of these microorganisms and maintain homeostasis remain largely unknown. Results Serotonin (5-hydroxytryptamine [5-HT]) was found to modulate gut microbiome homeostasis via regulation of a dual oxidase (Duox) gene expression in both Bactrocera dorsalis and Aedes aegypti. The knockdown of the peripheral 5-HT biosynthetic gene phenylalanine hydroxylase (TPH) increased the expression of Duox and the activity of reactive oxygen species, leading to a decrease in the gut microbiome load. Moreover, the TPH knockdown reduced the relative abundance of the bacterial genera Serratia and Providencia, including the opportunistic pathogens, S. marcescens and P. alcalifaciens in B. dorsalis. Treatment with 5-hydroxytryptophan, a precursor of 5-HT synthesis, fully rescued the TPH knockdown-induced phenotype. Conclusions The findings reveal the important contribution of 5-HT in regulating gut homeostasis, providing new insights into gut–microbe interactions in metazoans. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-022-01319-x.
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Affiliation(s)
- Tian Zeng
- Department of Entomology, College of Plant Protection, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou, 510642, China
| | - Hong-Ai Su
- Department of Entomology, College of Plant Protection, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou, 510642, China
| | - Ya-Lan Liu
- Department of Entomology, College of Plant Protection, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou, 510642, China
| | - Jian-Fang Li
- Department of Entomology, College of Plant Protection, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou, 510642, China
| | - Ding-Xin Jiang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou, China
| | - Yong-Yue Lu
- Department of Entomology, College of Plant Protection, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou, 510642, China.
| | - Yi-Xiang Qi
- Department of Entomology, College of Plant Protection, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou, 510642, China.
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Blažević A, Iyer AM, van Velthuysen MLF, Hofland J, van Koestveld PM, Franssen GJH, Feelders RA, Zajec M, Luider TM, de Herder WW, Hofland LJ. Aberrant tryptophan metabolism in stromal cells is associated with mesenteric fibrosis in small intestinal neuroendocrine tumors. Endocr Connect 2022; 11:EC-22-0020. [PMID: 35275095 PMCID: PMC9066570 DOI: 10.1530/ec-22-0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 03/10/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Increased levels of serotonin secretion are associated with mesenteric fibrosis (MF) in small intestinal neuroendocrine tumors (SI-NETs). However, the profibrotic potential of serotonin differs between patients, and in this study, we aimed to gain an understanding of the mechanisms underlying this variability. To this end, we analyzed the proteins involved in tryptophan metabolism in SI-NETs. METHODS Proteomes of tumor and stroma from primary SI-NETs and paired mesenteric metastases of patients with MF (n = 6) and without MF (n = 6) were identified by liquid chromatography-mass spectrometry (LC-MS). The differential expression of proteins involved in tryptophan metabolism between patients with and without MF was analyzed. Concurrently, monoamine oxidase A (MAO-A) expression was analyzed in the tumor and stromal compartment by immunohistochemistry (IHC) and reported as intensity over area (I/A). RESULTS Of the 42 proteins involved in tryptophan metabolism, 20 were detected by LC-MS. Lower abundance of ten proteins was found in mesenteric metastases stroma in patients with MF. No differential expression was found in primary SI-NETs. In patients with MF, IHC showed lower MAO-A expression in the stroma of the primary SI-NETs (median 4.2 I/A vs 6.5 I/A in patients without MF, P = 0.003) and mesenteric metastases (median 2.1 I/A vs 2.8 I/A in patients without MF, P= 0.019). CONCLUSION We found a decreased expression of tryptophan and serotonin-metabolizing enzymes in the stroma in patients with MF, most notably in the mesenteric stroma. This might account for the increased profibrotic potential of serotonin and explain the variability in the development of SI-NET-associated fibrotic complications.
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Affiliation(s)
- Anela Blažević
- Department of Internal Medicine, Section Endocrinology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Anand M Iyer
- Department of Internal Medicine, Section Endocrinology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | | | - Johannes Hofland
- Department of Internal Medicine, Section Endocrinology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Peter M van Koestveld
- Department of Internal Medicine, Section Endocrinology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Gaston J H Franssen
- Department of Surgery, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Richard A Feelders
- Department of Internal Medicine, Section Endocrinology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Marina Zajec
- Laboratory of Neuro-Oncology/Clinical & Cancer Proteomics, Department of Neurology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Theo M Luider
- Laboratory of Neuro-Oncology/Clinical & Cancer Proteomics, Department of Neurology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Wouter W de Herder
- Department of Internal Medicine, Section Endocrinology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | - Leo J Hofland
- Department of Internal Medicine, Section Endocrinology, Erasmus University Medical Center and Erasmus MC Cancer Institute, Rotterdam, Netherlands
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The Interaction between Serotonin Transporter Allelic Variation and Maternal Care Modulates Instagram Sociability in a Sample of Singaporean Users. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19095348. [PMID: 35564743 PMCID: PMC9105050 DOI: 10.3390/ijerph19095348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 04/12/2022] [Accepted: 04/24/2022] [Indexed: 02/01/2023]
Abstract
Human social interactions ensure recognition and approval from others, both in offline and online environments. This study applies a model from behavioral genetics on Instagram sociability to explore the impact of individual development on behavior on social networks. We hypothesize that sociable attitudes on Instagram resulted from an interaction between serotonin transporter gene alleles and the individual’s social relationship with caregivers. We assess the environmental and genetic components of 57 Instagram users. The self-report questionnaire Parental Bonding Instrument is adopted to determine the quality of parental bonding. The number of posts, followed users (“followings”), and followers are collected from Instagram as measures of online social activity. Additionally, the ratio between the number of followers and followings (“Social Desirability Index”) was calculated to estimate the asymmetry of each user’s social network. Finally, buccal mucosa cell samples were acquired, and the polymorphism rs25531 (T/T homozygotes vs. C-carriers) within the serotonin transporter gene was examined. In the preliminary analysis, we identified a gender effect on the number of followings. In addition, we specifically found a gene–environment interaction on the standardized Instagram “Social Desirability Index” in line with our predictions. Users with the genotype more sensitive to environmental influences (T/T homozygotes) showed a higher Instagram “Social Desirability Index” than nonsensitive ones (C-carriers) when they experienced positive maternal care. This result may contribute to understanding online social behavior from a gene*environment perspective.
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Lenz C, Dörner S, Trottmann F, Hertweck C, Sherwood A, Hoffmeister D. Assessment of Bioactivity-Modulating Pseudo-Ring Formation in Psilocin and Related Tryptamines. Chembiochem 2022; 23:e202200183. [PMID: 35483009 PMCID: PMC9401598 DOI: 10.1002/cbic.202200183] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/27/2022] [Indexed: 11/12/2022]
Abstract
Psilocybin (1) is the major alkaloid found in psychedelic mushrooms and acts as a prodrug to psilocin (2, 4‐hydroxy‐N,N‐dimethyltryptamine), a potent psychedelic that exerts remarkable alteration of human consciousness. In contrast, the positional isomer bufotenin (7, 5‐hydroxy‐N,N‐dimethyltryptamine) differs significantly in its reported pharmacology. A series of experiments was designed to explore chemical differences between 2 and 7 and specifically to test the hypothesis that the C‐4 hydroxy group of 2 significantly influences the observed physical and chemical properties through pseudo‐ring formation via an intramolecular hydrogen bond (IMHB). NMR spectroscopy, accompanied by quantum chemical calculations, was employed to compare hydrogen bond behavior in 4‐ and 5‐hydroxylated tryptamines. The results provide evidence for a pseudo‐ring in 2 and that sidechain/hydroxyl interactions in 4‐hydroxytryptamines influence their oxidation kinetics. We conclude that the propensity to form IMHBs leads to a higher number of uncharged species that easily cross the blood‐brain barrier, compared to 7 and other 5‐hydroxytryptamines, which cannot form IMHBs. Our work helps understand a fundamental aspect of the pharmacology of 2 and should support efforts to introduce it (via the prodrug 1) as an urgently needed therapeutic against major depressive disorder.
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Affiliation(s)
- Claudius Lenz
- Friedrich-Schiller-Universitat Jena, Pharmaceutical Microbiology, GERMANY
| | - Sebastian Dörner
- Friedrich-Schiller-Universität Jena: Friedrich-Schiller-Universitat Jena, Pharmaceutical Microbiology, 07745, Jena, GERMANY
| | - Felix Trottmann
- Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie eV Hans-Knöll-Institut: Leibniz-Institut fur Naturstoff-Forschung und Infektionsbiologie eV Hans-Knoll-Institut, Biomolecular Chemistry, 07745, Jena, GERMANY
| | - Christian Hertweck
- Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie eV Hans-Knöll-Institut: Leibniz-Institut fur Naturstoff-Forschung und Infektionsbiologie eV Hans-Knoll-Institut, Biomolecular Chemistry, GERMANY
| | - Alexander Sherwood
- Usona Institute, Chemistry, 2800 Woods Hollow Road, 53711, Madison, UNITED STATES
| | - Dirk Hoffmeister
- Leibniz-Institut fur Naturstoff-Forschung und Infektionsbiologie eV Hans-Knoll-Institut, Pharmaceutical Microbiology at the Hans-Kn�ll-Institute, Beutenbergstrasse 11a, 07745, Jena, GERMANY
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Landoni M, Dalla Muta A, Di Tella S, Ciuffo G, Di Blasio P, Ionio C. Parenting and the Serotonin Transporter Gene (5HTTLPR), Is There an Association? A Systematic Review of the Literature. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074052. [PMID: 35409736 PMCID: PMC8997909 DOI: 10.3390/ijerph19074052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 02/01/2023]
Abstract
The current systematic review examines whether there is an association between the genetic 5-HTTPLR polymorphism and parenting, and the mechanisms by which this association operates. The literature was searched in various databases such as PubMed, Scopus, and ScienceDirect. In line with our inclusion criteria, nine articles were eligible out of 22. Most of the studies analysed in this review found an association between 5HTTLPR and parenting. Four studies found a direct association between 5-HTTLPR and parenting with conflicting findings: two studies found that mothers carrying the short variant were more sensitive to their infants, while two studies found that parents carrying the S allele were less sensitive. In addition, several studies found strong interaction between genetic and environmental factors, such as childhood stress and disruptive child behaviour, quality of early care experiences, poor parenting environment, and quality of the environment. Only one study found an association between children's 5HTTLPR and parenting. Parenting can be described as a highly complex construct influenced by multiple factors, including the environment, as well as parent and child characteristics. According to the studies, maternal 5-HTTLPR polymorphism is most likely to be associated with sensitive parenting.
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Affiliation(s)
- Marta Landoni
- CRIdee, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (G.C.); (P.D.B.); (C.I.)
- Department of Psychology, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (A.D.M.); (S.D.T.)
- Correspondence:
| | - Alice Dalla Muta
- Department of Psychology, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (A.D.M.); (S.D.T.)
| | - Sonia Di Tella
- Department of Psychology, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (A.D.M.); (S.D.T.)
| | - Giulia Ciuffo
- CRIdee, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (G.C.); (P.D.B.); (C.I.)
| | - Paola Di Blasio
- CRIdee, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (G.C.); (P.D.B.); (C.I.)
- Department of Psychology, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (A.D.M.); (S.D.T.)
| | - Chiara Ionio
- CRIdee, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (G.C.); (P.D.B.); (C.I.)
- Department of Psychology, Università Cattolica del Sacro Cuore, 20123 Milan, Italy; (A.D.M.); (S.D.T.)
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Domingues RR, Wiltbank MC, Hernandez LL. Pregnancy Complications and Neonatal Mortality in a Serotonin Transporter Null Mouse Model: Insight Into the Use of Selective Serotonin Reuptake Inhibitor During Pregnancy. Front Med (Lausanne) 2022; 9:848581. [PMID: 35360732 PMCID: PMC8960382 DOI: 10.3389/fmed.2022.848581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 02/17/2022] [Indexed: 11/13/2022] Open
Abstract
Selective serotonin reuptake inhibitors (SSRI) are widely prescribed to pregnant woman. Although some SSRI compounds are known to cause pregnancy loss and fetal malformations, other SSRI continue to be used by pregnant women. However, several studies have associated the use of SSRI with adverse pregnancy outcomes: intrauterine growth restriction, preterm birth, and neonatal morbidity. Nonetheless, interpretation of studies in humans are typically complicated by the adverse pregnancy outcomes caused by depression itself. Therefore, we used a mutant mouse model with genetic ablation of the serotonin transporter, the target site for SSRI, to unravel the role of the serotonin transporter on pregnancy outcomes. The serotonin transporter null mice had increased pregnancy loss (17.5 vs. 0%), decreased number of pups born (6.6 ± 0.2 vs. 7.5 ± 0.2), and increased neonatal mortality (2.3-fold). Furthermore, preterm birth, dystocia, and fetal malformations were only observed in serotonin transporter null mice. This genetically ablated serotonin transporter mouse recapitulates several adverse pregnancy outcomes similar to those in women undergoing SSRI treatment during gestation. Additionally, neonatal loss in the present study reproduced a sudden infant death phenotype as in humans and mice with altered serotonergic signaling. In conclusion, findings from this study demonstrate a role for serotonin transporter in pregnancy maintenance and neonatal health. Additionally, it suggests that the adverse pregnancy outcomes in women taking SSRI during gestation might be due to altered serotonin transporter function caused by SSRI independent of underlying depression. This is a critical finding, given the number of women prescribed SSRI during pregnancy, and provides the framework for critical research in this area.
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Affiliation(s)
- Rafael R. Domingues
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Milo C. Wiltbank
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Laura L. Hernandez
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, United States
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, United States
- *Correspondence: Laura L. Hernandez,
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Abstract
Cognitive impairment affects up to 80% of patients with Parkinson's disease (PD) and is associated with poor quality of life. PD cognitive dysfunction includes poor working memory, impairments in executive function and difficulty in set-shifting. The pathophysiology underlying cognitive impairment in PD is still poorly understood, but there is evidence to support involvements of the cholinergic, dopaminergic, and noradrenergic systems. Only rivastigmine, an acetyl- and butyrylcholinesterase inhibitor, is efficacious for the treatment of PD dementia, which limits management of cognitive impairment in PD. Whereas the role of the serotonergic system in PD cognition is less understood, through its interactions with other neurotransmitters systems, namely, the cholinergic system, it may be implicated in cognitive processes. In this chapter, we provide an overview of the pharmacological, clinical and pathological evidence that implicates the serotonergic system in mediating cognition in PD.
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Huang Y, Ji Q, Zhu Y, Fu S, Chen S, Chu L, Ren Y, Wang Y, Lei X, Gu J, Tai N, Liu D. Activated Platelets Autocrine 5-Hydroxytryptophan Aggravates Sepsis-Induced Acute Lung Injury by Promoting Neutrophils Extracellular Traps Formation. Front Cell Dev Biol 2022; 9:777989. [PMID: 35111753 PMCID: PMC8801939 DOI: 10.3389/fcell.2021.777989] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/25/2021] [Indexed: 12/12/2022] Open
Abstract
Excessive neutrophil extracellular trap (NET) formation is an important contributor to sepsis-induced acute lung injury (ALI). Recent reports indicate that platelets can induce neutrophil extracellular trap formation. However, the specific mechanism remains unclear. Tph1 gene, which encodes the rate-limiting enzyme for peripheral 5-hydroxytryptophan (5-HT) synthesis, was knocked out in mice to simulate peripheral 5-HT deficiency. Cecal ligation and puncture (CLP) surgery was performed to induce sepsis. We found that peripheral 5-HT deficiency reduced NET formation in lung tissues, alleviated sepsis-induced lung inflammatory injury, and reduced the mortality rate of CLP mice. In addition, peripheral 5-HT deficiency was shown to reduce the accumulation of platelets and NETs in the lung of septic mice. We found that platelets from wild-type (WT), but not Tph1 knockout (Tph1−/−), mice promote lipopolysaccharide (LPS)-induced NET formation. Exogenous 5-HT intervention increased LPS-induced NET formation when Tph1−/− platelets were co-cultured with WT neutrophils. Therefore, our study uncovers a mechanism by which peripheral 5-HT aggravated sepsis-induced ALI by promoting NET formation in the lung of septic mice.
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Affiliation(s)
- Yumeng Huang
- Department of Burn and Plastic Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Qian Ji
- Department of Radiation Oncology, Institute of Oncology, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Yanyan Zhu
- Department of Burn and Plastic Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Shengqiao Fu
- Department of Radiation Oncology, Institute of Oncology, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Shuangwei Chen
- Department of General Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Liangmei Chu
- Department of Radiation Oncology, Institute of Oncology, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Yongfei Ren
- Department of General Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Yue Wang
- Department of General Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Xuan Lei
- Department of Burn and Plastic Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Jia Gu
- Department of Burn and Plastic Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Ningzheng Tai
- Department of Burn and Plastic Surgery, Affiliated Hospital, Jiangsu University, Zhenjiang, China
| | - Dadong Liu
- Department of Intensive Care Unit, Affiliated Hospital, Jiangsu University, Zhenjiang, China
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Chiocchetti R, Galiazzo G, Giancola F, Tagliavia C, Bernardini C, Forni M, Pietra M. Localization of the Serotonin Transporter in the Dog Intestine and Comparison to the Rat and Human Intestines. Front Vet Sci 2022; 8:802479. [PMID: 35071391 PMCID: PMC8766808 DOI: 10.3389/fvets.2021.802479] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/10/2021] [Indexed: 12/23/2022] Open
Abstract
Serotonin is crucial in gastrointestinal functions, including motility, sensitivity, secretion, and the inflammatory response. The serotonin transporter (SERT), responsible for serotonin reuptake and signaling termination, plays a prominent role in gastrointestinal physiology, representing a promising therapeutic target in digestive disorders. Serotonin transporter expression has been poorly investigated in veterinary medicine, under both healthy and pathological conditions, including canine chronic enteropathy, in which the serotonin metabolism seems to be altered. The aim of the present study was to determine the distribution of SERT immunoreactivity (SERT-IR) in the dog intestine and to compare the findings with those obtained in the rat and human intestines. Serotonin transporter-IR was observed in canine enterocytes, enteric neurons, lamina propria cells and the tunica muscularis. Data obtained in dogs were consistent with those obtained in rats and humans. Since the majority of the serotonin produced by the body is synthesized in the gastrointestinal tract, SERT-expressing cells may exert a role in the mechanism of serotonin reuptake.
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Affiliation(s)
- Roberto Chiocchetti
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Ozzano dell'Emilia, Italy
| | - Giorgia Galiazzo
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Ozzano dell'Emilia, Italy
| | - Fiorella Giancola
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Ozzano dell'Emilia, Italy
| | - Claudio Tagliavia
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Ozzano dell'Emilia, Italy
| | - Chiara Bernardini
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Ozzano dell'Emilia, Italy
| | - Monica Forni
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Ozzano dell'Emilia, Italy
| | - Marco Pietra
- Department of Veterinary Medical Sciences (UNI EN ISO 9001:2008), University of Bologna, Ozzano dell'Emilia, Italy
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Becerril-Villanueva E, Olvera-Alvarez MI, Alvarez-Herrera S, Maldonado-García JL, López-Torres A, Ramírez-Marroquín OA, González-Ruiz O, Nogueira-Fernández JM, Mendoza-Contreras JM, Sánchez-García HO, José-Alfallo JA, Valencia Baños A, Torres-Serrano AB, Jiménez-Genchi J, Mendieta-Cabrera D, Pérez-Sánchez G, Pavón L. Screening of SERT and p11 mRNA Levels in Airline Pilots: A Translational Approach. Front Psychiatry 2022; 13:859768. [PMID: 35401250 PMCID: PMC8983845 DOI: 10.3389/fpsyt.2022.859768] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 02/23/2022] [Indexed: 11/18/2022] Open
Abstract
Airline pilots are frequently exposed to numerous flights per week, changes in their circadian rhythms, and extended periods away from home. All these stressors make pilots susceptible to developing psychiatric disorders. Recently, emphasis has been placed on the need for molecular tests that help in the diagnosis of depression. The genes SLC6A4 and S100A10 encode serotonin transporter (SERT) and p11 protein, respectively. Their expression has been frequently associated with stress and depression. In this work, we quantified, by quantitative PCR, the expression of SERT and p11 in peripheral mononuclear cells of airline pilots compared to patients with depression and healthy volunteers. Moreover, by mass spectrometry, we quantified the serum serotonin levels in the same three groups. We found that SERT and p11 were overexpressed in the mononuclear cells of airline pilots and depressed patients compared to healthy volunteers. Although serum serotonin was not different between healthy volunteers and airline pilots, a decreasing trend was observed in the latter. As expected, serum serotonin in the patients was significantly lower. Alterations in SERT and p11 in airline pilots could be related to professional stress, a condition that could potentially affect their long-term mental health.
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Affiliation(s)
- Enrique Becerril-Villanueva
- Laboratorio de Psicoinmunología, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - María Irma Olvera-Alvarez
- Laboratorio de Psicoinmunología, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico.,Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | - Samantha Alvarez-Herrera
- Laboratorio de Psicoinmunología, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Jose Luis Maldonado-García
- Laboratorio de Psicoinmunología, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Adolfo López-Torres
- Centro de Investigaciones Científicas, Instituto de Química Aplicada, Universidad del Papaloapan, Oaxaca, Mexico
| | | | - Octavio González-Ruiz
- Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | - José Manuel Nogueira-Fernández
- Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | - José Manuel Mendoza-Contreras
- Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | - Héctor Omar Sánchez-García
- Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | - José Antonio José-Alfallo
- Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | - Atenodoro Valencia Baños
- Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | - Ana Berta Torres-Serrano
- Dirección General de Protección y Medicina Preventiva en el Transporte, Secretaría de Comunicaciones y Transportes, Ciudad de México, Mexico
| | | | - Danelia Mendieta-Cabrera
- Servicios Clínicos, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Gilberto Pérez-Sánchez
- Laboratorio de Psicoinmunología, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
| | - Lenin Pavón
- Laboratorio de Psicoinmunología, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, Mexico
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76
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Karbownik MS, Hicks SD. The Association of Salivary Serotonin With Mood and Cardio-Autonomic Function: A Preliminary Report. Front Psychiatry 2022; 13:788153. [PMID: 35711584 PMCID: PMC9193578 DOI: 10.3389/fpsyt.2022.788153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 05/02/2022] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Serotonin plays an important role in mood regulation and depression. However, it is not clear whether the levels of serotonin in saliva are related to current mood. AIM To test the association of salivary serotonin concentrations with mood, as well as cardiovascular and autonomic parameters. MATERIALS AND METHODS Saliva samples were obtained from collegiate runners and output parameters were examined before and after physical activity. RESULTS Salivary serotonin concentration was negatively associated with current mood (β = -0.32, 95%CI -0.62 to -0.02, p = 0.037, analysis adjusted for potential confounders), but insignificantly with measured cardiovascular and autonomic parameters. CONCLUSIONS Salivary serotonin may reflect current mood. The results are preliminary and require further evaluation.
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Affiliation(s)
| | - Steven Daniel Hicks
- Division of Academic General Pediatrics, Penn State College of Medicine, Hershey, PA, United States
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Kim HE, Shim HJ, Jung C, Shin IS, Kim JM, Yun SJ. Correlations of psychological distress with plasma cytokine levels and gene mutations in acral and non-acral melanoma. Front Psychiatry 2022; 13:1024206. [PMID: 36405903 PMCID: PMC9669704 DOI: 10.3389/fpsyt.2022.1024206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND The presence of psychological distress has negatively affected the course and prognosis of melanoma. Psychological distress is influenced by cytokines and gene mutations, particularly in cancer, but no studies have investigated this phenomenon in melanoma patients. This study investigated the correlations of psychological distress, plasma cytokine levels, and gene mutations in melanoma patients, focusing on melanoma sites and TNM stages. METHODS This study prospectively evaluated melanoma patients who visited Chonnam National University Hwasun Hospital from September 2020 to March 2021. Melanoma sites were divided into acral and non-acral sites. Anxiety and depression were evaluated using the Hospital Anxiety and Depression Scale, and quality of life was evaluated with EuroQol-5 Dimensions. Plasma cytokine levels, and depression- and cytokine-related gene mutations were analyzed. RESULTS This study included 151 melanoma patients. Anxiety was found in 14.6% of the patients, and depression in 29.8%. The melanoma sites were not significantly associated with anxiety, depression, or quality of life. However, psychological distress was significantly associated with the plasma cytokines IL-2, IL-4, IL-5, IL-10, IL-12, TNF-α and IFN-γ. COMT, SLC6A4, SLC6A3, and IL-12b gene mutations were also associated with melanoma sites and TNM stage, anxiety, and QOL. CONCLUSION Psychological distress was associated with plasma cytokine levels and depression- and cytokine-related gene mutations. Using psychiatric intervention and emotional support, cytokine levels related to melanoma can be changed, which may have positive effects on the prognosis and treatment of melanoma. More careful follow-up, evaluation, and management are needed for patients with gene mutations.
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Affiliation(s)
- Hong Euy Kim
- Department of Dermatology, Chonnam National University Medical School, Gwangju, South Korea
| | - Hyun Jung Shim
- Department of Hemato-Oncology, Chonnam National University Medical School, Gwangju, South Korea
| | - Chaeyong Jung
- Department of Anatomy, Chonnam National University Medical School, Gwangju, South Korea
| | - Il Seon Shin
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, South Korea
| | - Jae-Min Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, South Korea
| | - Sook Jung Yun
- Department of Dermatology, Chonnam National University Medical School, Gwangju, South Korea
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78
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Overcoming Depression with 5-HT2A Receptor Ligands. Int J Mol Sci 2021; 23:ijms23010010. [PMID: 35008436 PMCID: PMC8744644 DOI: 10.3390/ijms23010010] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/17/2021] [Accepted: 12/18/2021] [Indexed: 01/25/2023] Open
Abstract
Depression is a multifactorial disorder that affects millions of people worldwide, and none of the currently available therapeutics can completely cure it. Thus, there is a need for developing novel, potent, and safer agents. Recent medicinal chemistry findings on the structure and function of the serotonin 2A (5-HT2A) receptor facilitated design and discovery of novel compounds with antidepressant action. Eligible papers highlighting the importance of 5-HT2A receptors in the pathomechanism of the disorder were identified in the content-screening performed on the popular databases (PubMed, Google Scholar). Articles were critically assessed based on their titles and abstracts. The most accurate papers were chosen to be read and presented in the manuscript. The review summarizes current knowledge on the applicability of 5-HT2A receptor signaling modulators in the treatment of depression. It provides an insight into the structural and physiological features of this receptor. Moreover, it presents an overview of recently conducted virtual screening campaigns aiming to identify novel, potent 5-HT2A receptor ligands and additional data on currently synthesized ligands acting through this protein.
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79
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Liu HM, Ma LL, Li C, Cao B, Jiang Y, Han L, Xu R, Lin J, Zhang D. The molecular mechanism of chronic stress affecting the occurrence and development of breast cancer and potential drug therapy. Transl Oncol 2021; 15:101281. [PMID: 34875482 PMCID: PMC8652015 DOI: 10.1016/j.tranon.2021.101281] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 12/14/2022] Open
Abstract
According to the 2020 data released by the International Agency for Research on Cancer, breast cancer has surpassed lung cancer as the world's most newly diagnosed first-time cancer. Compared with patients with other types of cancer, those with breast cancer experience greater mental stress and more severe psychological impacts because of the life-threatening diagnosis, physical changes, treatment side effects, and family and social life dysfunctions. These usually manifest as anxiety, depression, nervousness, and insomnia, all of which elicit stress responses. Particularly under chronic stress, the continuous release of neurotransmitters from the neuroendocrine system can have a highly profound impact on the occurrence and prognosis of breast cancer. However, because of the complex mechanisms underlying chronic stress and the variability in individual tolerance, evidence of the role of chronic stress in the occurrence and evolution of breast cancer remains unclear. This article reviewed previous research on the correlation between chronic stress and the occurrence and development of breast cancer, particularly the molecular mechanism through which chronic stress promotes breast cancer via neurotransmitters secreted by the nervous system. We also review the progress in the development of potential drugs or blockers for the treatment of breast cancer by targeting the neuroendocrine system.
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Affiliation(s)
- Hui-Min Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China
| | - Le-le Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China
| | - Chunyu Li
- National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Bo Cao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China; National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Yifang Jiang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Road Shierqiao, Chengdu 610072, China
| | - Li Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China
| | - Runchun Xu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China.
| | - Junzhi Lin
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Road Shierqiao, Chengdu 610072, China.
| | - Dingkun Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China.
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80
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John Jayakumar JAK, Panicker MM. The roles of serotonin in cell adhesion and migration, and cytoskeletal remodeling. Cell Adh Migr 2021; 15:261-271. [PMID: 34494935 PMCID: PMC8437456 DOI: 10.1080/19336918.2021.1963574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 07/04/2021] [Accepted: 07/29/2021] [Indexed: 11/22/2022] Open
Abstract
Serotonin is well known as a neurotransmitter. Its roles in neuronal processes such as learning, memory or cognition are well established, and also in disorders such as depression, schizophrenia, bipolar disorder, and dementia. However, its effects on adhesion and cytoskeletal remodelling which are strongly affected by 5-HT receptors, are not as well studied with some exceptions for e.g. platelet aggregation. Neuronal function is strongly dependent on cell-cell contacts and adhesion-related processes. Therefore the role played by serotonin in psychiatric illness, as well as in the positive and negative effects of neuropsychiatric drugs through cell-related adhesion can be of great significance. In this review, we explore the role of serotonin in some of these aspects based on recent findings.
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Affiliation(s)
- Joe Anand Kumar John Jayakumar
- Manipal Academy of Higher Education, Manipal, India
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bengaluru, India
| | - Mitradas M. Panicker
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bengaluru, India
- Present Address - Department of Physiology and Biophysics, School of Medicine, University of California, Irvine, USA
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81
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Movassaghi CS, Perrotta KA, Yang H, Iyer R, Cheng X, Dagher M, Fillol MA, Andrews AM. Simultaneous serotonin and dopamine monitoring across timescales by rapid pulse voltammetry with partial least squares regression. Anal Bioanal Chem 2021; 413:6747-6767. [PMID: 34686897 PMCID: PMC8551120 DOI: 10.1007/s00216-021-03665-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 09/11/2021] [Accepted: 09/14/2021] [Indexed: 11/12/2022]
Abstract
Many voltammetry methods have been developed to monitor brain extracellular dopamine levels. Fewer approaches have been successful in detecting serotonin in vivo. No voltammetric techniques are currently available to monitor both neurotransmitters simultaneously across timescales, even though they play integrated roles in modulating behavior. We provide proof-of-concept for rapid pulse voltammetry coupled with partial least squares regression (RPV-PLSR), an approach adapted from multi-electrode systems (i.e., electronic tongues) used to identify multiple components in complex environments. We exploited small differences in analyte redox profiles to select pulse steps for RPV waveforms. Using an intentionally designed pulse strategy combined with custom instrumentation and analysis software, we monitored basal and stimulated levels of dopamine and serotonin. In addition to faradaic currents, capacitive currents were important factors in analyte identification arguing against background subtraction. Compared to fast-scan cyclic voltammetry-principal components regression (FSCV-PCR), RPV-PLSR better differentiated and quantified basal and stimulated dopamine and serotonin associated with striatal recording electrode position, optical stimulation frequency, and serotonin reuptake inhibition. The RPV-PLSR approach can be generalized to other electrochemically active neurotransmitters and provides a feedback pipeline for future optimization of multi-analyte, fit-for-purpose waveforms and machine learning approaches to data analysis.
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Affiliation(s)
- Cameron S Movassaghi
- Department of Chemistry & Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Katie A Perrotta
- Department of Chemistry & Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Hongyan Yang
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, and Hatos Center for Neuropharmacology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Rahul Iyer
- Department of Electrical Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xinyi Cheng
- Department of Chemistry & Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Merel Dagher
- Molecular Toxicology Interdepartmental Program, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Miguel Alcañiz Fillol
- Interuniversity Research Institute for Molecular Recognition and Technological Development, Universitat Politècnica de València - Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.
| | - Anne M Andrews
- Department of Chemistry & Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, and Hatos Center for Neuropharmacology, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Molecular Toxicology Interdepartmental Program, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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Circadian Rhythm Dysregulation and Restoration: The Role of Melatonin. Nutrients 2021; 13:nu13103480. [PMID: 34684482 PMCID: PMC8538349 DOI: 10.3390/nu13103480] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 11/17/2022] Open
Abstract
Sleep is an essential component of overall human health but is so tightly regulated that when disrupted can cause or worsen certain ailments. An important part of this process is the presence of the well-known hormone, melatonin. This compound assists in the governing of sleep and circadian rhythms. Previous studies have postulated that dysregulation of melatonin rhythms is the driving force behind sleep and circadian disorders. A computer-aided search spanning the years of 2015–2020 using the search terms melatonin, circadian rhythm, disorder yielded 52 full text articles that were analyzed. We explored the mechanisms behind melatonin dysregulation and how it affects various disorders. Additionally, we examined associated therapeutic treatments including bright light therapy (BLT) and exogenous forms of melatonin. We found that over the past 5 years, melatonin has not been widely investigated in clinical studies thus there remains large gaps in its potential utilization as a therapy.
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83
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Sarrouilhe D, Defamie N, Mesnil M. Is the Exposome Involved in Brain Disorders through the Serotoninergic System? Biomedicines 2021; 9:1351. [PMID: 34680468 PMCID: PMC8533279 DOI: 10.3390/biomedicines9101351] [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: 07/22/2021] [Revised: 09/17/2021] [Accepted: 09/23/2021] [Indexed: 11/24/2022] Open
Abstract
Serotonin (5-hydroxytryptamine, 5-HT) is a biogenic monoamine acting as a neurotransmitter in the central nervous system (CNS), local mediator in the gut, and vasoactive agent in the blood. It has been linked to a variety of CNS functions and is implicated in many CNS and psychiatric disorders. The high comorbidity between some neuropathies can be partially understood by the fact that these diseases share a common etiology involving the serotoninergic system. In addition to its well-known functions, serotonin has been shown to be a mitogenic factor for a wide range of normal and tumor cells, including glioma cells, in vitro. The developing CNS of fetus and newborn is particularly susceptible to the deleterious effects of neurotoxic substances in our environment, and perinatal exposure could result in the later development of diseases, a hypothesis known as the developmental origin of health and disease. Some of these substances affect the serotoninergic system and could therefore be the source of a silent pandemic of neurodevelopmental toxicity. This review presents the available data that are contributing to the appreciation of the effects of the exposome on the serotoninergic system and their potential link with brain pathologies (neurodevelopmental, neurodegenerative, neurobehavioral disorders, and glioblastoma).
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Affiliation(s)
- Denis Sarrouilhe
- Laboratoire de Physiologie Humaine, Faculté de Médecine et Pharmacie, 6 Rue de la Milétrie, Bât D1, TSA 51115, CEDEX 09, 86073 Poitiers, France
| | - Norah Defamie
- Laboratoire STIM, ERL7003 CNRS-Université de Poitiers, 1 Rue G. Bonnet–TSA 51106, CEDEX 09, 86073 Poitiers, France; (N.D.); (M.M.)
| | - Marc Mesnil
- Laboratoire STIM, ERL7003 CNRS-Université de Poitiers, 1 Rue G. Bonnet–TSA 51106, CEDEX 09, 86073 Poitiers, France; (N.D.); (M.M.)
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84
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Enteric Microbiota-Mediated Serotonergic Signaling in Pathogenesis of Irritable Bowel Syndrome. Int J Mol Sci 2021; 22:ijms221910235. [PMID: 34638577 PMCID: PMC8508930 DOI: 10.3390/ijms221910235] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/18/2021] [Accepted: 09/19/2021] [Indexed: 12/12/2022] Open
Abstract
Irritable bowel syndrome (IBS) is a chronic functional disorder that affects the gastrointestinal tract. Details regarding the pathogenesis of IBS remain largely unknown, though the dysfunction of the brain-gut-microbiome (BGM) axis is a major etiological factor, in which neurotransmitters serve as a key communication tool between enteric microbiota and the brain. One of the most important neurotransmitters in the pathology of IBS is serotonin (5-HT), as it influences gastrointestinal motility, pain sensation, mucosal inflammation, immune responses, and brain activity, all of which shape IBS features. Genome-wide association studies discovered susceptible genes for IBS in serotonergic signaling pathways. In clinical practice, treatment strategies targeting 5-HT were effective for a certain portion of IBS cases. The synthesis of 5-HT in intestinal enterochromaffin cells and host serotonergic signaling is regulated by enteric resident microbiota. Dysbiosis can trigger IBS development, potentially through aberrant 5-HT signaling in the BGM axis; thus, the manipulation of the gut microbiota may be an alternative treatment strategy. However, precise information regarding the mechanisms underlying the microbiota-mediated intestinal serotonergic pathway related to the pathogenesis of IBS remains unclear. The present review summarizes current knowledge and recent progress in understanding microbiome–serotonin interaction in IBS cases.
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85
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Yu Y, Zhao F. Microbiota-gut-brain axis in autism spectrum disorder. J Genet Genomics 2021; 48:755-762. [PMID: 34373221 DOI: 10.1016/j.jgg.2021.07.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/27/2021] [Accepted: 07/05/2021] [Indexed: 12/17/2022]
Abstract
Extensive studies, largely during the past decade, identify the dynamic and bidirectional interaction between the bacteria resident in the intestines and their host brain along the "microbiota-gut-brain axis". This interaction modulates the development and function of the central nervous system and is implicated in neurological disorders. As a neurodevelopmental disorder, autism spectrum disorder (ASD) is considered a historically defect in the brain. With accumulating evidence showing how the microorganisms modulate neural activities, more and more research is focusing on the role of the gut microbiota in mitigating ASD symptoms and the underlying mechanisms. In this review, we describe the intricate and crucial pathways via which the gut microbiota communicates with the brain, the microbiota-gut-brain axis, and summarize the specific pathways that mediate the crosstalk of the gut microbiota to the brain in ASD.
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Affiliation(s)
- You Yu
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China
| | - Fangqing Zhao
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Schneider MA, Heeb L, Beffinger MM, Pantelyushin S, Linecker M, Roth L, Lehmann K, Ungethüm U, Kobold S, Graf R, van den Broek M, Vom Berg J, Gupta A, Clavien PA. Attenuation of peripheral serotonin inhibits tumor growth and enhances immune checkpoint blockade therapy in murine tumor models. Sci Transl Med 2021; 13:eabc8188. [PMID: 34524861 DOI: 10.1126/scitranslmed.abc8188] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Marcel André Schneider
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Laura Heeb
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Michal Mateusz Beffinger
- Institute of Laboratory Animal Science, University of Zürich, Wagistrasse 12, CH-8952 Schlieren, Switzerland
| | - Stanislav Pantelyushin
- Institute of Laboratory Animal Science, University of Zürich, Wagistrasse 12, CH-8952 Schlieren, Switzerland
| | - Michael Linecker
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Lilian Roth
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland.,Surgical Oncology Research Laboratory, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Kuno Lehmann
- Surgical Oncology Research Laboratory, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Udo Ungethüm
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Sebastian Kobold
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Ludwig-Maximilians-Universität München, Lindwurmstrasse 2a, D-80337 Munich, Germany.,German Center for Translational Cancer Research (DKTK), partner site Munich, Pettenkoferstr. 8a, D-80336 Munich, Germany
| | - Rolf Graf
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Maries van den Broek
- Institute of Experimental Immunology, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Johannes Vom Berg
- Institute of Laboratory Animal Science, University of Zürich, Wagistrasse 12, CH-8952 Schlieren, Switzerland
| | - Anurag Gupta
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
| | - Pierre-Alain Clavien
- Laboratory of the Swiss Hepato-Pancreatico-Biliary (HPB) and Transplantation Centre, Department of Surgery, University Hospital and University of Zürich, Raemistrasse 100, CH-8091 Zürich, Switzerland
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87
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Aniulis P, Podlipskyte A, Smalinskiene A, Aniuliene R, Jievaltas M. Association of gene polymorphisms with women urinary incontinence. Open Med (Wars) 2021; 16:1190-1197. [PMID: 34514165 PMCID: PMC8389500 DOI: 10.1515/med-2021-0332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 06/04/2021] [Accepted: 06/25/2021] [Indexed: 11/16/2022] Open
Abstract
Aim of study was set to investigate the association of women urinary incontinence (UI) with serotonin receptor HTR2A T102C and beta 3-adrenergic receptor ADRB3 Trp64Arg genes polymorphisms. The study included 110 women with Urge, Stress, and Mixed UI types and the control group – 105 continent women. Both groups have filled in the ICIQ-FLUTS questionnaire and their blood genotyping was performed. Urge UI subgroup was older and had higher body mass index (BMI) in comparison to other UI types and control group. More than half of all women had family history of UI in Stress UI and Mixed UI subgroups. The frequency of HTR2A T102C gene polymorphism’s minor allele C and genotype CC was significantly more expressed in Urge UI subgroup, as compared with control group (C-77.3 vs 58.7%, p = 0.007 and CC-57.6 vs 31.1%, p = 0.015). The ADRB3 Trp64Arg gene polymorphism did not differ between groups. The regression analysis revealed CC genotype (OR = 3.06, 95% CI: 1.11–8.43; p = 0.030) and allele C (OR = 2.53, 95% CI: 1.16–5.53; p = 0.020) were risk factors for development of Urge UI. We conclude that HTR2A T102C gene polymorphism affected the development of Urge UI.
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Affiliation(s)
- Povilas Aniulis
- Urology Clinic, Medical Academy, Lithuanian University of Health Sciences, A. Mickeviciaus Str. 9, Kaunas LT-44307, Lithuania
| | - Aurelija Podlipskyte
- Laboratory of Behavioral Medicine, Neuroscience Institute, Lithuanian University of Health Sciences, Palanga LT-00135, Lithuania
| | - Alina Smalinskiene
- Institute of Biology Systems And Genetic Research, Lithuanian University Of Health Sciences, Kaunas LT-44307, Lithuania
| | - Rosita Aniuliene
- Obstetrics And Gynecology Clinic, Medical Academy, Lithuanian University of Health Sciences, Kaunas LT-44307, Lithuania
| | - Mindaugas Jievaltas
- Urology Clinic, Medical Academy, Lithuanian University of Health Sciences, A. Mickeviciaus Str. 9, Kaunas LT-44307, Lithuania
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88
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Connelly MK, Cheng AA, Hernandez LL. Graduate Student Literature Review: Serotonin and calcium metabolism: A story unfolding. J Dairy Sci 2021; 104:13008-13019. [PMID: 34531048 DOI: 10.3168/jds.2021-20610] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 07/26/2021] [Indexed: 12/25/2022]
Abstract
The peripartum period is characterized by dynamic shifts in metabolic, mineral, and immune metabolism as the dairy cow adapts to the demands of lactation. Emphasis over the past decade has been placed on understanding the biology of the large shift in calcium metabolism in particular. Moreover, research has also focused on exploring the role of serotonin during the transition period and lactation and further unraveling its relationship with calcium. This review aimed to demonstrate the integration of calcium physiology during the peripartal period and throughout lactation. More specifically, we sought to discuss the knowledge gained in recent years on calcium metabolism, mammary calcium transport, serotonin metabolism, and the serotonin-calcium axis. Herein we also discuss the challenges and limitations of current research and where that leaves the present understanding of the serotonin-calcium axis as we seek to move forward and continue exploring this interesting relationship.
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Affiliation(s)
- M K Connelly
- Department of Animal and Dairy Sciences, University of Wisconsin, Madison 53706.
| | - A A Cheng
- Department of Animal and Dairy Sciences, University of Wisconsin, Madison 53706
| | - L L Hernandez
- Department of Animal and Dairy Sciences, University of Wisconsin, Madison 53706
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89
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Connelly M, Hernandez L. Elevated serotonin alters whole-blood expression of serotonin receptor and metabolism genes in the lactating dairy cow. JDS COMMUNICATIONS 2021; 2:289-294. [PMID: 36338386 PMCID: PMC9623722 DOI: 10.3168/jdsc.2021-0108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 05/18/2021] [Indexed: 06/16/2023]
Abstract
Serotonin's role as a hormone has been demonstrated through modulating calcium metabolism, energy homeostasis, and immune function in the preweaned and lactating bovine. Recently, manipulation of the serotonergic axis in calves via administration of 5-hydroxy-l-tryptophan (5-HTP), the serotonin precursor, elicited immunomodulatory effects and regulated serotonin transport and metabolism genes in leukocytes. However, serotonin's ability to modulate whole-blood gene expression in lactating dairy cows is unknown. Our objective was to explore the effect of infusing 5-HTP on whole-blood expression of genes regulating serotonin transport (reuptake transporter), signaling (receptors), metabolism (synthesis and degradation), and cytokines in dairy cows. Twelve lactating multiparous Holstein dairy cows were blocked by parity, milk production, and days in milk in a randomized complete block design and randomly assigned to intravenous infusion of either 1 L of 1.5 mg/kg 5-HTP dissolved in saline (n = 6) or 1 L of saline solution (n = 6) for 3 consecutive days. Whole blood was collected at 48, 56, and 72 h relative to termination of first infusion to analyze whole-blood gene expression. Infusion of 5-HTP increased whole-blood mRNA expression of monoamine oxidase-A and serotonin receptor 7 across the experimental period. Forty-eight hours from termination of first infusion, the mRNA of monoamine oxidase-A, serotonin reuptake transporter, and serotonin receptor 7 were increased in blood relative to the control. Interleukin-8 concentrations and mRNA were unchanged in response to 5-HTP infusion. Collectively, these data suggest that infusion of 5-HTP may alter mRNA of serotonin metabolism, transport, and signaling genes in whole blood of lactating dairy cows.
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90
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Calvi A, Fischetti I, Verzicco I, Belvederi Murri M, Zanetidou S, Volpi R, Coghi P, Tedeschi S, Amore M, Cabassi A. Antidepressant Drugs Effects on Blood Pressure. Front Cardiovasc Med 2021; 8:704281. [PMID: 34414219 PMCID: PMC8370473 DOI: 10.3389/fcvm.2021.704281] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 06/28/2021] [Indexed: 11/16/2022] Open
Abstract
Individuals suffering from depressive disorders display a greater incidence of hypertension compared with the general population, despite reports of the association between depression and hypotension. This phenomenon may depend, at least in part, on the use of antidepressant drugs, which may influence blood pressure through different effects on adrenergic and serotoninergic pathways, as well as on histaminergic, dopaminergic, and cholinergic systems. This review summarizes extant literature on the effect of antidepressant drugs on blood pressure. Selective serotonin reuptake inhibitors are characterized by limited effects on autonomic system activity and a lower impact on blood pressure. Thus, they represent the safest class-particularly among elderly and cardiovascular patients. Serotonin-norepinephrine reuptake inhibitors, particularly venlafaxine, carry a greater risk of hypertension, possibly related to greater effects on the sympathetic nervous system. The norepinephrine reuptake inhibitor reboxetine is considered a safe option because of its neutral effects on blood pressure in long-term studies, even if both hypotensive and hypertensive effects are reported. The dopamine-norepinephrine reuptake inhibitor bupropion can lead to blood pressure increases, usually at high doses, but may also cause orthostatic hypotension, especially in patients with cardiovascular diseases. The norepinephrine-serotonin modulators, mirtazapine and mianserin, have minimal effects on blood pressure but may rarely lead to orthostatic hypotension and falls. These adverse effects are also observed with the serotonin-reuptake modulators, nefazodone and trazodone, but seldomly with vortioxetine and vilazodone. Agomelatine, the only melatonergic antidepressant drug, may also have limited effects on blood pressure. Tricyclic antidepressants have been associated with increases in blood pressure, as well as orthostatic hypotension, particularly imipramine. Oral monoamine-oxidase inhibitors, less frequently skin patch formulations, have been associated with orthostatic hypotension or, conversely, with hypertensive crisis due to ingestion of tyramine-containing food (i.e., cheese reaction). Lastly, a hypertensive crisis may complicate antidepressant treatment as a part of the serotonin syndrome, also including neuromuscular, cognitive, and autonomic dysfunctions. Clinicians treating depressive patients should carefully consider their blood pressure status and cardiovascular comorbidities because of the effects of antidepressant drugs on blood pressure profiles and potential interactions with antihypertensive treatments.
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Affiliation(s)
- Anna Calvi
- Cardiorenal and Hypertension Research Unit, Physiopathology Unit, Clinica Medica Generale e Terapia Medica, Department of Medicine and Surgery (DIMEC), University of Parma, Parma, Italy
| | - Ilaria Fischetti
- Cardiorenal and Hypertension Research Unit, Physiopathology Unit, Clinica Medica Generale e Terapia Medica, Department of Medicine and Surgery (DIMEC), University of Parma, Parma, Italy
| | - Ignazio Verzicco
- Cardiorenal and Hypertension Research Unit, Physiopathology Unit, Clinica Medica Generale e Terapia Medica, Department of Medicine and Surgery (DIMEC), University of Parma, Parma, Italy
| | - Martino Belvederi Murri
- Department of Neuroscience and Rehabilitation, Institute of Psychiatry, University of Ferrara, Ferrara, Italy
| | - Stamatula Zanetidou
- Research Group on Mental and Physical Health of the Elderly (ARISMA), Bologna, Italy
| | - Riccardo Volpi
- Cardiorenal and Hypertension Research Unit, Physiopathology Unit, Clinica Medica Generale e Terapia Medica, Department of Medicine and Surgery (DIMEC), University of Parma, Parma, Italy
| | - Pietro Coghi
- Cardiorenal and Hypertension Research Unit, Physiopathology Unit, Clinica Medica Generale e Terapia Medica, Department of Medicine and Surgery (DIMEC), University of Parma, Parma, Italy
| | - Stefano Tedeschi
- Cardiorenal and Hypertension Research Unit, Physiopathology Unit, Clinica Medica Generale e Terapia Medica, Department of Medicine and Surgery (DIMEC), University of Parma, Parma, Italy
| | - Mario Amore
- Section of Psychiatry, Department of Neuroscience, Ophthalmology, Genetics, and Infant-Maternal Science, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Policlinico San Martino, University of Genoa, Genoa, Italy
| | - Aderville Cabassi
- Cardiorenal and Hypertension Research Unit, Physiopathology Unit, Clinica Medica Generale e Terapia Medica, Department of Medicine and Surgery (DIMEC), University of Parma, Parma, Italy
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91
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Kim BH, Joo Y, Kim MS, Choe HK, Tong Q, Kwon O. Effects of Intermittent Fasting on the Circulating Levels and Circadian Rhythms of Hormones. Endocrinol Metab (Seoul) 2021; 36:745-756. [PMID: 34474513 PMCID: PMC8419605 DOI: 10.3803/enm.2021.405] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 08/04/2021] [Indexed: 01/09/2023] Open
Abstract
Intermittent fasting has become an increasingly popular strategy in losing weight and associated reduction in obesity-related medical complications. Overwhelming studies support metabolic improvements from intermittent fasting in blood glucose levels, cardiac and brain function, and other health benefits, in addition to weight loss. However, concerns have also been raised on side effects including muscle loss, ketosis, and electrolyte imbalance. Of particular concern, the effect of intermittent fasting on hormonal circadian rhythms has received little attention. Given the known importance of circadian hormonal changes to normal physiology, potential detrimental effects by dysregulation of hormonal changes deserve careful discussions. In this review, we describe the changes in circadian rhythms of hormones caused by intermittent fasting. We covered major hormones commonly pathophysiologically involved in clinical endocrinology, including insulin, thyroid hormones, and glucocorticoids. Given that intermittent fasting could alter both the level and frequency of hormone secretion, decisions on practicing intermittent fasting should take more considerations on potential detrimental consequences versus beneficial effects pertaining to individual health conditions.
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Affiliation(s)
- Bo Hye Kim
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul,
Korea
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul,
Korea
| | - Yena Joo
- Seoul National University College of Medicine, Seoul,
Korea
| | - Min-Seon Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Diabetes Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Han Kyoung Choe
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu,
Korea
| | - Qingchun Tong
- Brown Institute of Molecular Medicine and Department of Neurobiology and Anatomy, McGovern Medical School of UTHealth, and MD Anderson Cancer Center & UTHealth Graduate School of Biomedical Sciences, Houston, TX,
USA
| | - Obin Kwon
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul,
Korea
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul,
Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul,
Korea
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92
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Gros M, Gros B, Mesonero JE, Latorre E. Neurotransmitter Dysfunction in Irritable Bowel Syndrome: Emerging Approaches for Management. J Clin Med 2021; 10:jcm10153429. [PMID: 34362210 PMCID: PMC8347293 DOI: 10.3390/jcm10153429] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/13/2021] [Accepted: 07/28/2021] [Indexed: 02/06/2023] Open
Abstract
Irritable bowel syndrome (IBS) is a functional gastrointestinal disorder whose aetiology is still unknown. Most hypotheses point out the gut-brain axis as a key factor for IBS. The axis is composed of different anatomic and functional structures intercommunicated through neurotransmitters. However, the implications of key neurotransmitters such as norepinephrine, serotonin, glutamate, GABA or acetylcholine in IBS are poorly studied. The aim of this review is to evaluate the current evidence about neurotransmitter dysfunction in IBS and explore the potential therapeutic approaches. IBS patients with altered colorectal motility show augmented norepinephrine and acetylcholine levels in plasma and an increased sensitivity of central serotonin receptors. A decrease of colonic mucosal serotonin transporter and a downregulation of α2 adrenoceptors are also correlated with visceral hypersensitivity and an increase of 5-hydroxyindole acetic acid levels, enhanced expression of high affinity choline transporter and lower levels of GABA. Given these neurotransmitter dysfunctions, novel pharmacological approaches such as 5-HT3 receptor antagonists and 5-HT4 receptor agonists are being explored for IBS management, for their antiemetic and prokinetic effects. GABA-analogous medications are being considered to reduce visceral pain. Moreover, agonists and antagonists of muscarinic receptors are under clinical trials. Targeting neurotransmitter dysfunction could provide promising new approaches for IBS management.
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Affiliation(s)
- Mónica Gros
- Centro de Salud Univérsitas, Hospital Clínico Universitario Lozano Blesa, 50009 Zaragoza, Spain;
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), 50009 Zaragoza, Spain; (B.G.); (J.E.M.)
| | - Belén Gros
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), 50009 Zaragoza, Spain; (B.G.); (J.E.M.)
- Servicio de Urgencias, Hospital Universitario Miguel Servet, 50009 Zaragoza, Spain
| | - José Emilio Mesonero
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), 50009 Zaragoza, Spain; (B.G.); (J.E.M.)
- Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Facultad de Veterinaria, Universidad de Zaragoza, 50009 Zaragoza, Spain
- Instituto Agroalimentario de Aragón—IA2—(Universidad de Zaragoza—CITA), 50013 Zaragoza, Spain
| | - Eva Latorre
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), 50009 Zaragoza, Spain; (B.G.); (J.E.M.)
- Instituto Agroalimentario de Aragón—IA2—(Universidad de Zaragoza—CITA), 50013 Zaragoza, Spain
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain
- Correspondence:
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93
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Negri S, Commisso M, Avesani L, Guzzo F. The case of tryptamine and serotonin in plants: a mysterious precursor for an illustrious metabolite. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:5336-5355. [PMID: 34009335 DOI: 10.1093/jxb/erab220] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/13/2021] [Indexed: 06/12/2023]
Abstract
Indolamines are tryptophan-derived specialized metabolites belonging to the huge and ubiquitous indole alkaloids group. Serotonin and melatonin are the best-characterized members of this family, given their many hormonal and physiological roles in animals. Following their discovery in plants, the study of plant indolamines has flourished and their involvement in important processes, including stress responses, growth and development, and reproduction, has been proposed, leading to their classification as a new category of phytohormones. However, the complex indolamine puzzle is far from resolved, particularly the biological roles of tryptamine, the early serotonin precursor representing the central hub of many downstream indole alkaloids. Tryptophan decarboxylase, which catalyzes the synthesis of tryptamine, strictly regulates the flux of carbon and nitrogen from the tryptophan pool into the indolamine pathway. Furthermore, tryptamine accumulates to high levels in the reproductive organs of many plant species and therefore cannot be classed as a mere intermediate but rather as an end product with potentially important functions in fruits and seeds. This review summarizes current knowledge on the role of tryptamine and its close relative serotonin, emphasizing the need for a clear understanding of the functions of, and mutual relations between, these indolamines and their biosynthesis pathways in plants.
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Affiliation(s)
- Stefano Negri
- Department of Biotechnology, University of Verona, Strada Le Grazie, Verona, Italy
| | - Mauro Commisso
- Department of Biotechnology, University of Verona, Strada Le Grazie, Verona, Italy
| | - Linda Avesani
- Department of Biotechnology, University of Verona, Strada Le Grazie, Verona, Italy
| | - Flavia Guzzo
- Department of Biotechnology, University of Verona, Strada Le Grazie, Verona, Italy
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94
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Serotonin Exposure Improves Stress Resistance, Aggregation, and Biofilm Formation in the Probiotic Enterococcus faecium NCIMB10415. MICROBIOLOGY RESEARCH 2021. [DOI: 10.3390/microbiolres12030043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The role of the microbiota–gut–brain axis in maintaining a healthy status is well recognized. In this bidirectional flux, the influence of host hormones on gut bacteria is crucial. However, data on commensal/probiotics are scarce since most reports analyzed the effects of human bioactive compounds on opportunistic strains, highlighting the risk of increased pathogenicity under stimulation. The present investigation examined the modifications induced by 5HT, a tryptophan-derived molecule abundant in the intestine, on the probiotic Enterococcus faecium NCIMB10415. Specific phenotypic modifications concerning the probiotic potential and possible effects of treated bacteria on dendritic cells were explored together with the comparative soluble proteome evaluation. Increased resistance to bile salts and ampicillin in 5HT-stimulated conditions relate with overexpression of specific proteins (among which Zn-beta-lactamases, a Zn-transport protein and a protein involved in fatty acid incorporation into the membrane). Better auto-aggregating properties and biofilm-forming aptitude are consistent with enhanced QS peptide transport. Concerning interaction with the host, E. faecium NCIMB10415 enhanced dendritic cell maturation, but no significant differences were observed between 5HT-treated and untreated bacteria; meanwhile, after 5HT exposure, some moonlight proteins possibly involved in tissue adhesion were found in higher abundance. Finally, the finding in stimulated conditions of a higher abundance of VicR, a protein involved in two-component signal transduction system (VicK/R), suggests the existence of a possible surface receptor (VicK) for 5HT sensing in the strain studied. These overall data indicate that E. faecium NCIMB10415 modifies its physiology in response to 5HT by improving bacterial interactions and resistance to stressors.
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95
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Kaswan NK, Mohammed Izham NAB, Tengku Mohamad TAS, Sulaiman MR, Perimal EK. Cardamonin Modulates Neuropathic Pain through the Possible Involvement of Serotonergic 5-HT1A Receptor Pathway in CCI-Induced Neuropathic Pain Mice Model. Molecules 2021; 26:3677. [PMID: 34208700 PMCID: PMC8234694 DOI: 10.3390/molecules26123677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 12/14/2022] Open
Abstract
Cardamonin, a naturally occurring chalcone isolated from Alpinia species has shown to possess strong anti-inflammatory and anti-nociceptive activities. Previous studies have demonstrated that cardamonin exerts antihyperalgesic and antiallodynic properties in chronic constriction injury (CCI)-induced neuropathic pain animal model. However, the mechanisms underlying cardamonin's effect have yet to be fully understood. The present study aims to investigate the involvement of the serotonergic system in cardamonin induced antihyperalgesic and antiallodynic effects in CCI-induced neuropathic pain mice model. The neuropathic pain symptoms in the CCI mice model were assessed using Hargreaves Plantar test and von-Frey filament test on day 14 post-surgery. Central depletion of serotonin along the descending serotonergic pathway was done using ρ-chlorophenylalanine (PCPA, 100 mg/kg, i.p.), an inhibitor of serotonin synthesis for four consecutive days before cardamonin treatment, and was found to reverse the antihyperalgesic and antiallodynic effect produced by cardamonin. Pretreatment of the mice with several 5-HT receptor subtypes antagonists: methiothepin (5-HT1/6/77 receptor antagonist, 0.1 mg/kg), WAY 100635 (5-HT1A receptor antagonist, 1 mg/kg), isamoltane (5-HT1B receptor antagonist, 2.5 mg/kg), ketanserin (5-HT2A receptor antagonist, 0.3 mg/kg), and ondansetron (5-HT3 receptor antagonist, 0.5 mg/kg) were shown to abolish the effect of cardamonin induced antihyperalgesic and antiallodynic effects. Further evaluation of the 5-HT1A receptor subtype protein expressions reveals that cardamonin significantly upregulated its expression in the brainstem and spinal cord. Our results suggest that the serotonergic pathway is essential for cardamonin to exert its antineuropathic effect in CCI mice through the involvement of the 5-HT1A receptor subtype in the central nervous system.
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Affiliation(s)
- Nur Khalisah Kaswan
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.K.K.); (N.A.B.M.I.); (T.A.S.T.M.); (M.R.S.)
| | - Noor Aishah Binti Mohammed Izham
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.K.K.); (N.A.B.M.I.); (T.A.S.T.M.); (M.R.S.)
| | - Tengku Azam Shah Tengku Mohamad
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.K.K.); (N.A.B.M.I.); (T.A.S.T.M.); (M.R.S.)
| | - Mohd Roslan Sulaiman
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.K.K.); (N.A.B.M.I.); (T.A.S.T.M.); (M.R.S.)
| | - Enoch Kumar Perimal
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.K.K.); (N.A.B.M.I.); (T.A.S.T.M.); (M.R.S.)
- Centre of Excellence for Nanoscale BioPhotonics, Australian Research Council, University of Adelaide, Adelaide, SA 5005, Australia
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Molecular Cloning and Functional Characterization of Three 5-HT Receptor Genes ( HTR1B, HTR1E, and HTR1F) in Chickens. Genes (Basel) 2021; 12:genes12060891. [PMID: 34207786 PMCID: PMC8230051 DOI: 10.3390/genes12060891] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/29/2021] [Accepted: 06/02/2021] [Indexed: 02/06/2023] Open
Abstract
The serotonin (5-hydroxytryptamine, 5-HT) signaling system is involved in a variety of physiological functions, including the control of cognition, reward, learning, memory, and vasoconstriction in vertebrates. Contrary to the extensive studies in the mammalian system, little is known about the molecular characteristics of the avian serotonin signaling network. In this study, we cloned and characterized the full-length cDNA of three serotonin receptor genes (HTR1B, HTR1E and HTR1F) in chicken pituitaries. Synteny analyses indicated that HTR1B, HTR1E and HTR1F were highly conserved across vertebrates. Cell-based luciferase reporter assays showed that the three chicken HTRs were functional, capable of binding their natural ligands (5-HT) or selective agonists (CP94253, BRL54443, and LY344864) and inhibiting intracellular cAMP production in a dose-dependent manner. Moreover, activation of these receptors could stimulate the MAPK/ERK signaling cascade. Quantitative real-time PCR analyses revealed that HTR1B, HTR1E and HTR1F were primarily expressed in various brain regions and the pituitary. In cultured chicken pituitary cells, we found that LY344864 could significantly inhibit the secretion of PRL stimulated by vasoactive intestinal peptide (VIP) or forskolin, revealing that HTR1F might be involved in the release of prolactin in chicken. Our findings provide insights into the molecular mechanism and facilitate a better understanding of the serotonergic modulation via HTR1B, HTR1E and HTR1F in avian species.
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Choi Y, Yoon M. The Effects of Androstenone on the Plasma Serotonin, β-Endorphin, and Cortisol Concentrations in Thoroughbred Horses. Animals (Basel) 2021; 11:ani11061694. [PMID: 34200209 PMCID: PMC8226760 DOI: 10.3390/ani11061694] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/28/2021] [Accepted: 06/03/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary The development of horse managing tools is needed to prevent accidents and to improve welfare for domestic horses because the safety hazards for people who are exposed to horses are well documented. Androstenone, a pheromone secreted from boars, changes the behavior of dogs to become less excited. In horses, a previous study showed that a specific receptor for androstenone was expressed in the vomeronasal organ and nasal cavity. Horses treated with androstenone also showed more compliant behaviors. Thus, this study was conducted to investigate the mechanism of androstenone for changing horse behaviors. The change in the plasma concentrations of serotonin, β-endorphin, and cortisol in response to the treatment of androstenone was evaluated using an immunoassay. The results of this study demonstrated that androstenone may control the neuroendocrine system of horses, resulting in behavioral changes. This is the first work that studies the mechanism of pheromone treatment in horses and can be applied for further study about the effect of pheromone therapy on horses. Abstract Androstenone influences the changing behaviors of animals. Previous studies discovered that an androstenone receptor was expressed in horses and treatment with androstenone induced horses to be more compliant. As changes in the level of neuroendocrine factors result in animal behavioral changes, the objective of the study was to monitor the changes in the concentrations of 5-HT, β-endorphin, and cortisol in response to androstenone. Eight thoroughbred horses (five mares and three geldings) were treated with androstenone diluted in jojoba oil (10 µg/mL) and only oil for a control cross-overly. A handler applied the treatments to the horses′ nostril and rubbed for 5 s. Blood samples were collected before, 15, 30, and 60 min after each treatment. The concentrations of each neurotransmitter were analyzed by enzyme-linked immunosorbent assay. The concentrations of each neurotransmitter after the treatment were compared to its baseline concentration. The concentration of 5-HT of the androstenone-treated horses remained consistent throughout the experiment, while the concentration of the control group significantly decreased over time. The plasma concentration of β-endorphin in the androstenone-treated group also remained constant, whereas the concentration increased in the control group. Cortisol levels did not change in either the treated or untreated groups. An androstenone treatment triggers changes in the secretion of 5-HT and β-endorphin in horses.
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98
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Hanel V, Schalla MA, Stengel A. Irritable bowel syndrome and functional dyspepsia in patients with eating disorders - a systematic review. EUROPEAN EATING DISORDERS REVIEW 2021; 29:692-719. [PMID: 34086385 DOI: 10.1002/erv.2847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 12/17/2022]
Abstract
OBJECTIVES The prevalence of eating disorders is rising worldwide. The low body weight in anorexia nervosa as well as the increase in body mass index due to binge eating disorder are contributing to a strikingly high morbidity and mortality. In a similar pattern, the prevalence and burden of the disease of functional gastrointestinal disorders such as functional dyspepsia and irritable bowel syndrome is increasing. As gastrointestinal complaints are commonly reported by patients with eating disorders, the question arose whether there is a relationship between eating disorders and functional gastrointestinal disorders. METHODS To address the need to better understand the interplay between eating disorders and functional gastrointestinal disorders as well as factors that might influence this connection, the data bases Medline, Web of Science and Embase were systematically searched. RESULTS After removal of duplicates the search yielded 388 studies which were screened manually. As a result, 36 publications were selected for inclusion in this systematic review. CONCLUSION The occurrence of functional gastrointestinal disorders like irritable bowel syndrome and functional dyspepsia in patients with eating disorders is considerably high and often associated with psychological, hormonal and functional alterations. In the future, further research addressing the underlying mechanisms accounting for this relationship is required.
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Affiliation(s)
- Vivien Hanel
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Martha A Schalla
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Andreas Stengel
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Tübingen, Germany
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99
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Lin Z, Liu C, Fan E, Zhang Y, Zheng S, Rao Y. An efficient and label-free LC-MS/MS method for assessing drug's activity at dopamine and serotonin transporters using transporter-transfected HEK293T cells. J Psychopharmacol 2021; 35:693-700. [PMID: 33888022 DOI: 10.1177/02698811211008576] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Dopamine transporter (DAT) and serotonin transporter (SERT) are targets for many psychoactive substances. Functional assays including uptake inhibition and release assays often involve radiolabeled compounds like [3H]-dopamine and [3H]-serotonin to assess drug activity at transporters, which have high requirements on handling radioactive samples. AIMS The aim of this study was to establish a label-free method to assess drug activity at DAT and SERT. METHODS A liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method was established using transporter-transfected human embryonic kidney 293T (HEK293T) cells. This method was evaluated by testing the effects of amphetamine and cocaine in the assay procedure. RESULTS The limits of detection of this method were 0.2 nM for both dopamine (DA) and serotonin (5-HT), with good linearities in the range of 0.5-160 nM. Amphetamine and cocaine's IC50 and EC50 on DAT and SERT determined by this method were consistent with previous reports. CONCLUSIONS A rapid, reliable and label-free LC-MS/MS method for assessing drug activity was established, which affords an attractive alternative for those laboratories that do not have a radiation license or capabilities.
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Affiliation(s)
- Zebin Lin
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China.,Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing, China
| | - Chenyang Liu
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China.,Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing, China
| | - Enshan Fan
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yurong Zhang
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Sciences, Shanghai, China
| | - Shuiqing Zheng
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Sciences, Shanghai, China
| | - Yulan Rao
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China
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100
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Sun Z, Wang B, Chen C, Li C, Zhang Y. 5-HT6R null mutatrion induces synaptic and cognitive defects. Aging Cell 2021; 20:e13369. [PMID: 33960602 PMCID: PMC8208783 DOI: 10.1111/acel.13369] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/09/2021] [Accepted: 03/31/2021] [Indexed: 01/01/2023] Open
Abstract
Serotonin 6 receptor (5-HT6R) is a promising target for a variety of human diseases, such as Alzheimer's disease (AD) and schizophrenia. However, the detailed mechanism underlying 5-HT6R activity in the central nervous system (CNS) is not fully understood. In the present study, 5-HT6R null mutant (5-HT6R-/- ) mice were found to exhibit cognitive deficiencies and abnormal anxiety levels. 5-HT6R is considered to be specifically localized on the primary cilia. We found that the loss of 5-HT6R affected the Sonic Hedgehog signaling pathway in the primary cilia. 5-HT6R-/- mice showed remarkable alterations in neuronal morphology, including dendrite complexity and axon initial segment morphology. Neurons lacking 5-HT6R exhibited increased neuronal excitability. Our findings highlight the complexity of 5-HT6R functions in the primary ciliary and neuronal physiology, supporting the theory that this receptor modulates neuronal morphology and transmission, and contributes to cognitive deficits in a variety of human diseases, such as AD, schizophrenia, and ciliopathies.
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Affiliation(s)
- Zehui Sun
- State Key Laboratory of Membrane BiologyCollege of Life SciencesPeking UniversityBeijingChina
| | - Bingjie Wang
- State Key Laboratory of Membrane BiologyCollege of Life SciencesPeking UniversityBeijingChina
| | - Chen Chen
- School of Life SciencesLanzhou UniversityLanzhouChina
| | - Chenjian Li
- State Key Laboratory of Membrane BiologyCollege of Life SciencesPeking UniversityBeijingChina
| | - Yan Zhang
- State Key Laboratory of Membrane BiologyCollege of Life SciencesPeking UniversityBeijingChina,PKU/IDG McGovern Institute for Brain ResearchBeijingChina
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