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Ishaq S, Zahid S, Ahmed T. Sex-specific effects of neuromodulatory drugs on normal and stress-induced social dominance and aggression in rats. Psychopharmacology (Berl) 2023:10.1007/s00213-023-06503-7. [PMID: 37994914 DOI: 10.1007/s00213-023-06503-7] [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: 05/10/2023] [Accepted: 11/07/2023] [Indexed: 11/24/2023]
Abstract
BACKGROUND Social hierarchies are important for individual's well-being, professional and domestic growth, harmony of the society, as well as survival and morbidity. Studies have revealed sexual dimorphism in the social abilities; however, data is limited on the sex-specific effects of various drugs used to treat psychiatric disorders and social deficits. OBJECTIVE The present study aimed at evaluating the sex-dependent effects of Risperidone (antipsychotic that targets D2 dopaminergic, 5HT2A serotonergic, and α-adrenergic receptors), Donepezil (a reversible acetylcholinesterase inhibitor), and Paroxetine (a selective serotonin reuptake inhibitor) on social hierarchy in rats under normal and stressed states. METHODS 8-12 weeks old male and female Wistar rats were divided into sex-wise 4-4 groups, i.e., 1. control group, 2. Risperidone treated group (3 mg/kg/day), 3. Donepezil treated group (5 mg/kg/day), and Paroxetine treated group (10 mg/kg/day). Rats were treated with these drugs in phase I for 21 days in distilled drinking water, followed by a no (drugs) treatment break of 10 days. After the break phase II started with the administration of drugs (same as in phase I) along with tilt-cage stress for 21 days. Home cage activity assessment was performed once a week during both phases (I & II), while tube dominance and resident intruder tests were performed at the end of each phase. RESULTS In phase I in both sexes, Risperidone treatment decreased social interaction and motor activity while Paroxetine treatment increased these in both sexes compared to their respective control groups. Social dominance and aggression were reduced after treatment with both of these drugs. In contrast, Donepezil treatment caused an increase in motor activity in females whereas reduced motor activity in males. Furthermore, Donepezil treatment caused reduction in interaction but increased social dominance and aggression were observed in both sexes. In phase II, stress led to an overall decrease in motor activity and social interaction of animals. Treatment with Risperidone, Paroxetine, and Donepezil caused a sex-specific effect on, motor activity, social interaction, and social exploration. CONCLUSION These results showed that Risperidone has stronger effects on male social behavior whereas Paroxetine and Donepezil differentially affect social abilities in both sexes during normal and stressed situations.
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Affiliation(s)
- Sara Ishaq
- Neurobiology Laboratory, Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan
| | - Saadia Zahid
- Neurobiology Laboratory, Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan
| | - Touqeer Ahmed
- Neurobiology Laboratory, Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan.
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Ishaq S, Ahmed T. Sexually Dimorphic Effects of Neuromodulatory Drugs on Normal and Stress-Induced Social Interaction in Rats. Brain Sci 2023; 13:1378. [PMID: 37891747 PMCID: PMC10604924 DOI: 10.3390/brainsci13101378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 10/29/2023] Open
Abstract
Social behavior is a complex term which involves different interactions between various individuals of a community. It is controlled by different neurotransmitter systems in a sexually dimorphic way. Certain environmental factors, like stress, cause various neurological disorders with associated social abnormalities in a sexually dimorphic way. Multiple drugs are used in clinical settings to treat behavioral disorders. However, the sexually dimorphic effects of these drugs, particularly on social behavior, still need to be studied. The present study was designed to investigate the sex-dependent effects of Risperidone, Donepezil, and Paroxetine in 8-12 weeks old male and female rats under normal and stressed conditions. There were four male and four female groups, i.e., control group (no drug treatment), Risperidone (3 mg/kg/day) treated group, Donepezil (5 mg/kg/day) treated group, and Paroxetine (10 mg/kg/day) treated group. Each group received its respective drug during phase 1 for 21 days, followed by a 10-day break with no drug treatment. After the break, same groups received the same drugs along with tilt-cage stress for an additional 21 days during phase 2. A social preference and novelty test was performed at the end of both phases (1 and 2). During phase 1, Risperidone treatment caused impaired social behavior and reduced locomotion in the male group only, compared to its control group. Donepezil treatment caused a reduction in social interaction, while Paroxetine treatment caused increased social interaction and locomotion in a sex-dependent manner. During phase 2, social novelty was affected in both male and female stress groups. Treatment with drugs along with stress showed differential sex-dependent effects. The study showed a predominant effect of Risperidone on males while there were differential effects of Donepezil and Paroxetine on both sexes. This study has paved the way for the development of more targeted and effective neuromodulatory drugs for use against various psychiatric and social deficits.
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Affiliation(s)
- Sara Ishaq
- Neurobiology Laboratory, Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
| | - Touqeer Ahmed
- Neurobiology Laboratory, Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
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Yang R, Ye S, Zhang S, Huang H, Zhang Y, Yang Y, Xie S, He L, Yang Y, Shi J. Serotonin and dopamine depletion in distinct brain regions may cause anxiety in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-treated mice as a model of early Parkinson's disease. Neuroreport 2023; 34:551-559. [PMID: 37384936 PMCID: PMC10309109 DOI: 10.1097/wnr.0000000000001922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 05/12/2023] [Indexed: 07/01/2023]
Abstract
In this study, we aimed to evaluate the association of early anxious behavior with serotonin, dopamine, and their metabolites in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) murine model of Parkinson's disease. Forty C57BL/6 male mice were randomly divided into the control group (n = 20) and the model group (n = 20). Mice in the model group were injected intraperitoneally with MPTP. The light-dark box (LDB) and elevated plus-maze were used to monitor anxious behavior. The association of early anxious behavior with neurotransmitters in the prefrontal cortex, hippocampus, and striatum was evaluated. In our murine model, MPTP induced a decreased level of 5-hydroxytryptamine and its metabolite 5-hydroxyindoleacetic acid (5-HIAA) in the prefrontal cortex, hippocampus, and striatum (all P < 0.05); however, it only induced a decreased level of dopamine and its metabolite homovanillic acid (HVA) in the striatum (both P < 0.001), with a negative correlation in the hippocampus and a positive correlation in the cortex and striatum. In the LDB, 5-hydroxytryptamine levels in the cortex and dopamine and HVA levels in the striatum were negatively correlated with anxious behavior. Moreover, in the elevate plus-maze, 5-hydroxytryptamine and 5-HIAA in the cortex and dopamine and HVA in the striatum were positively correlated with the ratio of the time spent in open arms. In the murine model of early Parkinson's disease, the balance between dopamine and 5-hydroxytryptamine systems varied among brain regions. The depletion of 5-hydroxytryptamine in the cortex and dopamine in the striatum may be associated with anxiety behaviors in MPTP-treated mice.
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Affiliation(s)
- Ruixi Yang
- Department of Infectious Diseases, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang
| | - Suzhen Ye
- Department of Rehabilitation, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou
| | - Shuping Zhang
- Department of Neurology, Yueqing People’s Hospital, Yueqing
| | - Hanjin Huang
- Department of Neurology, Second Affiliated Hospital of Wenzhou Medical University, Wenzhou
| | - Yun Zhang
- Department of Psychosomatic Medicine
| | - Yao Yang
- Department of Psychosomatic Medicine
| | - Shu Xie
- Department of Psychosomatic Medicine
| | - Lin He
- Department of Psychosomatic Medicine
| | - Yuwei Yang
- Department of Laboratory Medicine, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, China
| | - Jian Shi
- Department of Psychosomatic Medicine
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Madan R, Platto J, Manoharan SR, Monga V. Serotonin Syndrome with Monotherapy of Low-Dose Sertraline in an Adult Patient with Autism Spectrum Disorder. Case Rep Psychiatry 2023; 2023:6610152. [PMID: 37324173 PMCID: PMC10264136 DOI: 10.1155/2023/6610152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 06/17/2023] Open
Abstract
Serotonin syndrome, also known as serotonin toxicity, is associated with increased serotonergic activity in the central and the peripheral nervous system. The symptoms can range from mild to potentially life threatening. Given the widespread use of serotonergic agents, the number of cases is on the rise. It is seen with therapeutic medication use, inadvertent interactions between drugs, and intentional self-poisoning, but still known cases with monotherapy of selective serotonin reuptake inhibitors are uncommon. Another known fact is that elevated whole blood serotonin, or hyperserotonemia, is one of the first biomarkers identified in autism spectrum disorder and is present in more than 25% of affected children. We present a case of a 32-year-old male with a history of autism spectrum disorder and depressive disorder who presented to the emergency department with restless agitation, neuromuscular excitability, and autonomic instability. He had been prescribed sertraline 50 mg which he had taken daily as prescribed for 4 days. On the fourth day, he presented to the emergency department with diffuse muscle stiffness, upper extremity tremors, ocular clonus, and inducible ankle clonus. He was diagnosed with probable serotonin syndrome utilizing Hunter's criteria. Patient's symptoms resolved within 24 hours with intravenous fluids, lorazepam, and discontinuation of sertraline. This case highlights the importance of a high degree of clinical suspicion in patients even on monotherapy of selective serotonin reuptake inhibitors in therapeutic doses, especially in children and adults with autism spectrum disorder. Due to preexisting hyperserotonemia, they may be more susceptible to serotonin syndrome than the general population.
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Affiliation(s)
- Rohit Madan
- University of Arizona College of Medicine, Tucson, Arizona, USA
| | - Jody Platto
- University of Arizona College of Medicine, Tucson, Arizona, USA
| | | | - Varun Monga
- Banner Thunderbird Medical Center, Glendale, Arizona, USA
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Li L, Mi Q. Serotonin Syndrome From Duloxetine Monotherapy: A Case Report. Cureus 2023; 15:e40933. [PMID: 37496538 PMCID: PMC10368303 DOI: 10.7759/cureus.40933] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2023] [Indexed: 07/28/2023] Open
Abstract
Serotonin syndrome is a rare adverse reaction induced by serotonergic drugs. Most instances of the syndrome occur in the context of a serotonergic drug overdose and the combined use of monoamine oxidase inhibitors and other related drugs. We report a case of serotonin syndrome caused by duloxetine alone in an elderly Asian woman and review the literature. A 69-year-old woman was admitted to the hospital due to two months of irritability and reduced energy. She was diagnosed with depressive disorder in the outpatient department and took sertraline 75mg for one month, but there was no significant improvement of symptoms. After admission, sertraline was switched to duloxetine. After taking duloxetine 60mg, the patient developed confusion, inducible clonus, diaphoresis, tremor, hyperreflexia, and increased body temperature and blood pressure. Reviewing her history of drug exposure, physical examination, and associated laboratory tests, we ruled out other possible diseases and established a serotonin syndrome diagnosis. The symptoms and signs associated with serotonin syndrome disappeared within two days after treatments with hydration and diazepam and the withdrawal of duloxetine. Physicians should be watchful for serotonin syndrome, a rare, but in severe cases life-threatening, adverse drug reaction. It may occur with duloxetine monotherapy even at therapeutic doses.
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Affiliation(s)
- Liumin Li
- Department of Psychiatry, Huzhou Third People's Hospital, the Affiliated Hospital of Huzhou University, Huzhou, CHN
| | - Qu Mi
- Department of Psychiatry, Huzhou Third People's Hospital, the Affiliated Hospital of Huzhou University, Huzhou, CHN
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Edinoff AN, Akuly HA, Hanna TA, Ochoa CO, Patti SJ, Ghaffar YA, Kaye AD, Viswanath O, Urits I, Boyer AG, Cornett EM, Kaye AM. Selective Serotonin Reuptake Inhibitors and Adverse Effects: A Narrative Review. Neurol Int 2021; 13:387-401. [PMID: 34449705 PMCID: PMC8395812 DOI: 10.3390/neurolint13030038] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/22/2021] [Accepted: 07/05/2021] [Indexed: 12/27/2022] Open
Abstract
Depression is the most prevalent psychiatric disorder in the world, affecting 4.4% of the global population. Despite an array of treatment modalities, depressive disorders remain difficult to manage due to many factors. Beginning with the introduction of fluoxetine to the United States in 1988, selective serotonin reuptake inhibitors (SSRIs) quickly became a mainstay of treatment for a variety of psychiatric disorders. The primary mechanism of action of SSRIs is to inhibit presynaptic reuptake of serotonin at the serotonin transporter, subsequently increasing serotonin at the postsynaptic membrane in the serotonergic synapse. The six major SSRIs that are marketed in the USA today, fluoxetine, citalopram, escitalopram, paroxetine, sertraline, and fluvoxamine, are a group of structurally unrelated molecules that share a similar mechanism of action. While their primary mechanism of action is similar, each SSRI has unique pharmacokinetics, pharmacodynamics, and side effect profile. One of the more controversial adverse effects of SSRIs is the black box warning for increased risk of suicidality in children and young adults aged 18–24. There is a lack of understanding of the complexities and interactions between SSRIs in the developing brain of a young person with depression. Adults, who do not have certain risk factors, which could be confounding factors, do not seem to carry this increased risk of suicidality. Ultimately, when prescribing SSRIs to any patient, a risk–benefit analysis must factor in the potential treatment effects, adverse effects, and dangers of the illness to be treated. The aim of this review is to educate clinicians on potential adverse effects of SSRIs.
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Affiliation(s)
- Amber N. Edinoff
- Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Science Center Shreveport, Shreveport, LA 71103, USA; (H.A.A.); (T.A.H.)
- Correspondence: ; Tel.: +1-(318)-675-8969
| | - Haseeb A. Akuly
- Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Science Center Shreveport, Shreveport, LA 71103, USA; (H.A.A.); (T.A.H.)
| | - Tony A. Hanna
- Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Science Center Shreveport, Shreveport, LA 71103, USA; (H.A.A.); (T.A.H.)
| | - Carolina O. Ochoa
- School of Medicine, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA; (C.O.O.); (S.J.P.); (Y.A.G.)
| | - Shelby J. Patti
- School of Medicine, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA; (C.O.O.); (S.J.P.); (Y.A.G.)
| | - Yahya A. Ghaffar
- School of Medicine, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA; (C.O.O.); (S.J.P.); (Y.A.G.)
| | - Alan D. Kaye
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA; (A.D.K.); (I.U.); (E.M.C.)
| | - Omar Viswanath
- College of Medicine-Phoenix, University of Arizona, Phoenix, AZ 85004, USA;
- Department of Anesthesiology, Creighton University School of Medicine, Omaha, NE 68124, USA
- Valley Anesthesiology and Pain Consultants—Envision Physician Services, Phoenix, AZ 85004, USA
| | - Ivan Urits
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA; (A.D.K.); (I.U.); (E.M.C.)
- Southcoast Physicians Group Pain Medicine, Southcoast Health, Wareham, MA 02571, USA
| | - Andrea G. Boyer
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC 29464, USA;
| | - Elyse M. Cornett
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA; (A.D.K.); (I.U.); (E.M.C.)
| | - Adam M. Kaye
- Department of Pharmacy Practice, Thomas J. Long School of Pharmacy and Health Sciences, University of the Pacific, Stockton, CA 95211, USA;
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