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Malvasi A, Ballini A, Tinelli A, Fioretti B, Vimercati A, Gliozheni E, Baldini GM, Cascardi E, Dellino M, Bonetti M, Cicinelli E, Vitagliano A, Damiani GR. Oxytocin augmentation and neurotransmitters in prolonged delivery: An experimental appraisal. Eur J Obstet Gynecol Reprod Biol X 2024; 21:100273. [PMID: 38274243 PMCID: PMC10809121 DOI: 10.1016/j.eurox.2023.100273] [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: 11/12/2023] [Accepted: 12/22/2023] [Indexed: 01/27/2024] Open
Abstract
The uterus is a highly innervated organ, and during labor, this innervation is at its highest level. Oxytocinergic fibers play an important role in labor and delivery and, in particular, the Lower Uterine Segment, cervix, and fundus are all controlled by motor neurofibers. Oxytocin is a neurohormone that acts on receptors located on the membrane of the smooth cells of the myometrium. During the stages of labor and delivery, its binding causes myofibers to contract, which enables the fundus of the uterus to act as a mediator. The aim of this study was to investigate the presence of oxytocinergic fibers in prolonged and non-prolonged dystocic delivery in a cohort of 90 patients, evaluated during the first and second stages of labor. Myometrial tissue samples were collected and evaluated by electron microscopy, in order to quantify differences in neurofibers concentrations between the investigated and control cohorts of patients. The authors of this experiment showed that the concentration of oxytocinergic fibers differs between non-prolonged and prolonged dystocic delivery. In particular, in prolonged dystocic delivery, compared to non-prolonged dystocic delivery, there is a lower amount of oxytocin fiber. The increase in oxytocin appeared to be ineffective in patients who experienced prolonged dystocic delivery, since the dystocic labor ended as a result of the altered presence of oxytocinergic fibers detected in this group of patients.
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Affiliation(s)
- Antonio Malvasi
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70121 Bari, Italy
- Unit of Obstetrics and Gynecology, University of Bari, Bari, Italy
| | - Andrea Ballini
- Department of clinical and experimental medicine, University of Foggia, Foggia, 71122, Italy
| | - Andrea Tinelli
- Department of Obstetrics and Gynecology and CERICSAL (CEntro di RIcerca Clinico SALentino), Veris Delli Ponti Hospital, 73020 Scorrano, Italy
| | - Bernard Fioretti
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via dell'Elce di Sotto 8, 06132 Perugia, Italy
| | - Antonella Vimercati
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70121 Bari, Italy
- Unit of Obstetrics and Gynecology, University of Bari, Bari, Italy
| | - Elko Gliozheni
- Section of Obstetrics and Gynecology, Department of Medicine and Surgery, University of Perugia, 06156 Perugia, Italy
- University of Medicine of Tirana, Department of Obstetrics and Gynecology, Tirana, Albania
| | - Giorgio Maria Baldini
- Momo Fertilife, IVF Clinic, Bisceglie, 76011, Italy
- University of Bari Aldo Moro, 70121, Bari, Italy
| | - Eliano Cascardi
- Department of Precision and Regenerative Medicine and Ionian Area, University of Bari “Aldo Moro”, Policlinico of Bari, Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Miriam Dellino
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70121 Bari, Italy
- Unit of Obstetrics and Gynecology, University of Bari, Bari, Italy
| | - Monica Bonetti
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70121 Bari, Italy
- Unit of Obstetrics and Gynecology, University of Bari, Bari, Italy
| | - Ettore Cicinelli
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70121 Bari, Italy
- Unit of Obstetrics and Gynecology, University of Bari, Bari, Italy
| | - Amerigo Vitagliano
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70121 Bari, Italy
- Unit of Obstetrics and Gynecology, University of Bari, Bari, Italy
| | - Gianluca Raffaello Damiani
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70121 Bari, Italy
- Unit of Obstetrics and Gynecology, University of Bari, Bari, Italy
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Kacar E, Tan F, Sahinturk S, Zorlu G, Serhatlioglu I, Bulmus O, Ercan Z, Kelestimur H. Modulation of Melatonin Receptors Regulates Reproductive Physiology: The Impact of Agomelatine on the Estrus Cycle, Gestation, Offspring, and Uterine Contractions in Rats. Physiol Res 2023; 72:793-807. [PMID: 38215065 PMCID: PMC10805256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 08/22/2023] [Indexed: 01/14/2024] Open
Abstract
Agomelatine is a pharmaceutical compound that functions as an agonist for melatonin receptors, with a particular affinity for the MT1 and MT2 receptor subtypes. Its mode of action is integral to the regulation of diverse physiological processes, encompassing the orchestration of circadian rhythms, sleep-wake cycles, and mood modulation. In the present study, we delve into the intricate interplay between agomelatine and the modulation of estrus cycles, gestation periods, offspring numbers, and uterine contractions, shedding light on their collective impact on reproductive physiology. Both in vivo and in vitro experiments were performed. Wistar Albino rats, divided into four groups: two non-pregnant groups (D1 and D2) and two pregnant groups (G1 and G2). The D1 and G1 groups served as control groups, while the D2 and G2 groups received chronic agomelatine administration (10 mg/kg). Uterine contractions were assessed in vitro using myometrial strips. Luzindole, a melatonin receptor antagonist, was employed to investigate the pathway mediating agomelatine's effects on uterine contractions. In in vivo studies, chronic agomelatine administration extended the diestrus phase (p<0.05) in non-pregnant rats, prolonged the gestational period (p<0.01), and increased the fetal count (p<0.01) in pregnant rats. Additionally, agomelatine reduced plasma oxytocin and prostoglandin-E levels (p<0.01) during pregnancy. In vitro experiments showed that agomelatine dose-dependently inhibited spontaneous and oxytocin-induced myometrial contractions. Luzindole (2 µM) reverse the agomelatine-induced inhibition of myometrial contractions. These findings suggest that agomelatine holds the potential to modulate diverse reproductive parameters during the gestational period, influencing estrus cycling, gestational progression, offspring development, and the orchestration of uterine contractions.
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Affiliation(s)
- E Kacar
- Firat University, Faculty of Medicine, Physiology Department, Elazig, Turkey
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Zhang S, Zhang YD, Shi DD, Wang Z. Therapeutic uses of oxytocin in stress-related neuropsychiatric disorders. Cell Biosci 2023; 13:216. [PMID: 38017588 PMCID: PMC10683256 DOI: 10.1186/s13578-023-01173-6] [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: 04/20/2023] [Accepted: 11/18/2023] [Indexed: 11/30/2023] Open
Abstract
Oxytocin (OXT), produced and secreted in the paraventricular nucleus and supraoptic nucleus of magnocellular and parvocellular neurons. The diverse presence and activity of oxytocin suggests a potential for this neuropeptide in the pathogenesis and treatment of stress-related neuropsychiatric disorders (anxiety, depression and post-traumatic stress disorder (PTSD)). For a more comprehensive understanding of the mechanism of OXT's anti-stress action, the signaling cascade of OXT binding to targeting stress were summarized. Then the advance of OXT treatment in depression, anxiety, PTSD and the major projection region of OXT neuron were discussed. Further, the efficacy of endogenous and exogenous OXT in stress responses were highlighted in this review. To augment the level of OXT in stress-related neuropsychiatric disorders, current biological strategies were summarized to shed a light on the treatment of stress-induced psychiatric disorders. We also conclude some of the major puzzles in the therapeutic uses of OXT in stress-related neuropsychiatric disorders. Although some questions remain to be resolved, OXT has an enormous potential therapeutic use as a hormone that regulates stress responses.
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Affiliation(s)
- Sen Zhang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China
- College of Physical Education and Health, East China Normal University, Shanghai, China
| | - Ying-Dan Zhang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China
| | - Dong-Dong Shi
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China.
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Zhen Wang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China.
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Institute of Psychological and Behavioral Science, Shanghai Jiao Tong University, Shanghai, China.
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