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Freeman AR, Arenas S, Lee DN, Singh B, Ophir AG. Characterization of oxytocin and vasopressin receptors in the Southern giant pouched rat and comparison to other rodents. Front Endocrinol (Lausanne) 2024; 15:1390203. [PMID: 38803478 PMCID: PMC11128605 DOI: 10.3389/fendo.2024.1390203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/26/2024] [Indexed: 05/29/2024] Open
Abstract
Vasopressin and oxytocin are well known and evolutionarily ancient modulators of social behavior. The distribution and relative densities of vasopressin and oxytocin receptors are known to modulate the sensitivity to these signaling molecules. Comparative work is needed to determine which neural networks have been conserved and modified over evolutionary time, and which social behaviors are commonly modulated by nonapeptide signaling. To this end, we used receptor autoradiography to determine the distribution of vasopressin 1a and oxytocin receptors in the Southern giant pouched rat (Cricetomys ansorgei) brain, and to assess the relative densities of these receptors in specific brain regions. We then compared the relative receptor pattern to 23 other species of rodents using a multivariate ANOVA. Pouched rat receptor patterns were strikingly similar to hamsters and voles overall, despite the variation in social organization among species. Uniquely, the pouched rat had dense vasopressin 1a receptor binding in the caudate-putamen (i.e., striatum), an area that might impact affiliative behavior in this species. In contrast, the pouched rat had relatively little oxytocin receptor binding in much of the anterior forebrain. Notably, however, oxytocin receptor binding demonstrated extremely dense binding in the bed nucleus of the stria terminalis, which is associated with the modulation of several social behaviors and a central hub of the social decision-making network. Examination of the nonapeptide system has the potential to reveal insights into species-specific behaviors and general themes in the modulation of social behavior.
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Affiliation(s)
- Angela R. Freeman
- Department of Psychology, Cornell University, Ithaca, NY, United States
- Department of Biology, Salisbury University, Salisbury, MD, United States
| | - Samanta Arenas
- Department of Psychology, Cornell University, Ithaca, NY, United States
| | - Danielle N. Lee
- Department of Psychology, Cornell University, Ithaca, NY, United States
- Department of Biological Sciences, Southern Illinois University Edwardsville, Edwardsville, IL, United States
| | - Bhupinder Singh
- Department of Psychology, Cornell University, Ithaca, NY, United States
- Comparative Medicine Resources, Rutgers University, New Brunswick, NJ, United States
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Olazábal DE, Sandberg NY. Variation in the density of oxytocin receptors in the brain as mechanism of adaptation to specific social and reproductive strategies. Gen Comp Endocrinol 2020; 286:113337. [PMID: 31734142 DOI: 10.1016/j.ygcen.2019.113337] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 11/13/2019] [Accepted: 11/13/2019] [Indexed: 01/10/2023]
Abstract
Most species have predominant forms of social and reproductive behavior driven by many years of selection pressures and evolution. For example, rodent species can live in small or large groups, behave more tolerant or aggressively toward conspecifics (including newborns), and form or not bonds with other members of the group (including sexual partners). Any of those behavioral adaptations could result in good fitness for the species, but could also require compromises such as sharing resources, greater parental investment, increased risk of predation, etc. We propose that the oxytocin (OXT) system, among others neuroendocrine peptides, is at the basis of a neural mechanism that adapts and predisposes species to a particular social and reproductive form of living. In this review we will show evidence that the variability in the density of receptors for OXT (OXTR) in the nucleus accumbens (NAc) and the lateral septum (LS) predisposes species to adopt at least 4 different social and reproductive strategies in rodents. Large or medium size groups with lower conspecific spacing (preferred separation distance maintained by adult conspecifics), and high levels of promiscuity are characterized by low levels of OXTR in the NAc and LS (e.g. Ratus norvegicus, Ctenomys sociabilis, Scotinomys teguina, Cavia porcellus); small size groups with higher conspecific spacing and low levels of promiscuity are characterized by high OXTR in the NAc and the LS (e.g. Peromyscus californicus); large or medium groups with lower conspecific spacing and low levels of promiscuity characterized by high levels of OXTR in the NAc but low levels in the LS (e.g. Microtus ochrogaster, Heterocephalus glaber, Microtus kikuchii); and small or medium size groups with higher conspecific spacing and high levels of promiscuity characterized by low levels of OXTR in the NAc and high OXTR in the LS (e.g. Mus musculus, Ctenomys haigi, Peromyscus maniculatus, Microtus pennsylvanicus, Microtus montanus). Careful analysis of the distribution of OXTR, and other peptides receptors, in the brain can contribute to understand its function but also to predict reproductive and social strategies of species.
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Affiliation(s)
- Daniel E Olazábal
- Departamento de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
| | - Natalia Y Sandberg
- Departamento de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
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Kelly AM, Hiura LC, Ophir AG. Rapid nonapeptide synthesis during a critical period of development in the prairie vole: plasticity of the paraventricular nucleus of the hypothalamus. Brain Struct Funct 2018. [PMID: 29523998 DOI: 10.1007/s00429-018-1640-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Vasopressin (VP) and oxytocin (OT) are involved in modulating basic physiology and numerous social behaviors. Although the anatomical distributions of nonapeptide neurons throughout development have been described, the functional roles of VP and OT neurons during development are surprisingly understudied, and it is unknown whether they exhibit functional changes throughout early development. We utilized an acute social isolation paradigm to determine if VP and OT neural responses in eight nonapeptide cell groups differ at three different stages of early development in prairie voles. We tested pups at ages that are representative of the three rapid growth stages of the developing brain: postnatal day (PND)2 (closed eyes; poor locomotion), PND9 (eye opening; locomotion; peak brain growth spurt), and PND21 (weaning). Neural responses were examined in pups that (1) were under normal family conditions with their parents and siblings, (2) were isolated from their parents and siblings and then reunited, and (3) were isolated from their parents and siblings. We found that VP and OT neural activity (as assessed via Fos co-localization) did not differ in response to social condition across development. However, remarkably rapid VP and OT synthesis in response to social isolation was observed only in the paraventricular nucleus of the hypothalamus (PVN) and only in PND9 pups. These results suggest that PVN nonapeptide neurons exhibit distinct cellular properties during a critical period of development, allowing nonapeptide neurons to rapidly upregulate peptide production in response to stressors on a much shorter timescale than has been observed in adult animals.
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Affiliation(s)
- Aubrey M Kelly
- Department of Psychology, Cornell University, 229 Uris Hall, Ithaca, NY, 14853, USA.
| | - Lisa C Hiura
- Department of Psychology, Cornell University, 229 Uris Hall, Ithaca, NY, 14853, USA
| | - Alexander G Ophir
- Department of Psychology, Cornell University, 229 Uris Hall, Ithaca, NY, 14853, USA
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Pan YJ, Wang DX, Yang J, He XL, Xiao NM, Ma RQ, Wang CH, Lin BC. Oxytocin in hypothalamic supraoptic nucleus is transferred to the caudate nucleus to influence pain modulation. Neuropeptides 2016; 58:61-5. [PMID: 27045802 DOI: 10.1016/j.npep.2016.03.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 12/20/2015] [Accepted: 03/21/2016] [Indexed: 11/25/2022]
Abstract
Oxytocin (OXT), which is synthesized and secreted in the hypothalamic supraoptic nucleus (SON), is the most important bioactive substance in SON regulating pain process. Our previous study has pointed that OXT in the caudate nucleus (CdN) plays a role in pain modulation. The communication was designed to investigate the source of OXT in the rat CdN during pain process using the methods of push-pull perfusion and radioimmunoassay. The results showed that (1) pain stimulation increased the OXT concentration in the CdN perfusion liquid; (2) SON cauterization inhibited the increase of OXT concentration in CdN perfusion liquid induced by the pain stimulation, which role in both sides of SON cauterization was stronger than that in one side of SON cauterization; and (3) SON microinjection of l-glutamate sodium, which excited the SON neurons, increased OXT concentration in the CdN perfusion liquid. The data suggested that OXT in the CdN was influenced by SON during pain process, i.e., OXT in the SON might be transferred to the CdN to influence pain modulation.
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Affiliation(s)
- Yang-Juan Pan
- The Second Affiliated Hospital of Xinxiang Medical University (Henan Provincial Mental Hospital), Xinxiang, Henan 453002, China
| | - Da-Xin Wang
- Jiangsu Su Bei People's Hospital (Clinical College of Yangzhou University), Yangzhou, Jiangsu 225001, China
| | - Jun Yang
- Jiangsu Su Bei People's Hospital (Clinical College of Yangzhou University), Yangzhou, Jiangsu 225001, China; Xinxiang Institute for New Medicine, Xinxiang, Henan 435003, China; Standard Technological Co., Ltd., Xinxiang, Henan 435003, China.
| | - Xue-Ling He
- Xinxiang Institute for New Medicine, Xinxiang, Henan 435003, China
| | - Nai-Min Xiao
- Xinjiang Hongda Food & Beverage Co. Ltd., Xinjiang, Shanxi 043112, China
| | - Rui-Qing Ma
- Standard Technological Co., Ltd., Xinxiang, Henan 435003, China
| | - Chang-Hong Wang
- The Second Affiliated Hospital of Xinxiang Medical University (Henan Provincial Mental Hospital), Xinxiang, Henan 453002, China
| | - Bao-Cheng Lin
- Department of Neurobiology, Second Military Medical University, Shanghai 200433, China
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Vaidyanathan R, Hammock EA. Oxytocin receptor dynamics in the brain across development and species. Dev Neurobiol 2016; 77:143-157. [DOI: 10.1002/dneu.22403] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 05/19/2016] [Accepted: 05/27/2016] [Indexed: 12/20/2022]
Affiliation(s)
- Radhika Vaidyanathan
- Department of Psychology; Florida State University; Tallahassee FL
- Program in Neuroscience, Florida State University; Tallahassee FL
| | - Elizabeth A.D. Hammock
- Department of Psychology; Florida State University; Tallahassee FL
- Program in Neuroscience, Florida State University; Tallahassee FL
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Veening JG, Olivier B. Intranasal administration of oxytocin: behavioral and clinical effects, a review. Neurosci Biobehav Rev 2013; 37:1445-65. [PMID: 23648680 PMCID: PMC7112651 DOI: 10.1016/j.neubiorev.2013.04.012] [Citation(s) in RCA: 133] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Revised: 04/22/2013] [Accepted: 04/24/2013] [Indexed: 12/11/2022]
Abstract
The mechanisms behind the effects of IN-applied substances need more attention. The mechanisms involved in the brain-distribution of IN-OT are completely unexplored. The possibly cascading effects of IN-OT on the intrinsic OT-system require serious investigation. IN-OT induces clear and specific changes in neural activation. IN-OT is a promising approach to treat certain clinical symptoms.
The intranasal (IN-) administration of substances is attracting attention from scientists as well as pharmaceutical companies. The effects are surprisingly fast and specific. The present review explores our current knowledge about the routes of access to the cranial cavity. ‘Direct-access-pathways’ from the nasal cavity have been described but many additional experiments are needed to answer a variety of open questions regarding anatomy and physiology. Among the IN-applied substances oxytocin (OT) has an extensive history. Originally applied in women for its physiological effects related to lactation and parturition, over the last decade most studies focused on their behavioral ‘prosocial’ effects: from social relations and ‘trust’ to treatment of ‘autism’. Only very recently in a microdialysis study in rats and mice, the ‘direct-nose-brain-pathways’ of IN-OT have been investigated directly, implying that we are strongly dependent on results obtained from other IN-applied substances. Especially the possibility that IN-OT activates the ‘intrinsic’ OT-system in the hypothalamus as well needs further clarification. We conclude that IN-OT administration may be a promising approach to influence human communication but that the existing lack of information about the neural and physiological mechanisms involved is a serious problem for the proper understanding and interpretation of the observed effects.
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Affiliation(s)
- Jan G Veening
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P.O. Box 80082, 3508 TB, Utrecht, The Netherlands; Department of Anatomy (109), Radboud University of Medical Sciences, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands.
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Hammock EA, Levitt P. Modulation of parvalbumin interneuron number by developmentally transient neocortical vasopressin receptor 1a (V1aR). Neuroscience 2012; 222:20-8. [PMID: 22820266 PMCID: PMC3444161 DOI: 10.1016/j.neuroscience.2012.07.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Revised: 07/09/2012] [Accepted: 07/11/2012] [Indexed: 11/30/2022]
Abstract
Arginine-vasopressin (AVP) and the vasopressin 1a receptor (V1aR) modulate social behavior and learning and memory in adult animals. Both functions depend upon the normal emergence of the balance of excitation and inhibition (E/I balance) in the neocortex. Here, we tested the hypothesis that V1aR signaling and E/I balance converge through the influence of the neuropeptide on interneuron number achieved in the neocortex. Postnatal mapping of forebrain V1aR binding in male and female mice revealed a transient expression of high levels of receptor in the neocortex and hippocampus in the second and third post-natal weeks. Receptor binding levels in these cortical structures fell dramatically in the adult, maintaining high levels of expression subcortically. Surprisingly, we observed sex differences in the number of calbindin interneurons, and a contribution of V1aR to the number of parvalbumin-immunoreactive neurons in the adult mouse neocortex. These data suggest that individual differences in developmentally transient V1aR signaling and even sex may alter the development of E/I balance in the neocortex, with long-lasting influence on information processing.
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Affiliation(s)
- Elizabeth A.D. Hammock
- Department of Pediatrics, Vanderbilt University School of Medicine & Vanderbilt Kennedy Center, Vanderbilt University, Nashville TN, 37232
| | - Pat Levitt
- Zilkha Neurogenetic Institute, Department of Cell and Neurobiology, Keck School of Medicine of the University of Southern California, Los Angeles, CA 90089
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Yang J, Pan YJ, Zhao Y, Qiu PY, Lu L, Li P, Chen F, Yan XQ, Wang DX. Oxytocin in the rat caudate nucleus influences pain modulation. Peptides 2011; 32:2104-7. [PMID: 21903147 DOI: 10.1016/j.peptides.2011.08.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Revised: 08/20/2011] [Accepted: 08/23/2011] [Indexed: 10/17/2022]
Abstract
Our previous studies have demonstrated that oxytocin (OXT) in the central nervous system plays a role in pain modulation. Many studies have found that caudate nucleus (CdN) enriches OXT and OXT receptors by the methods of historadioautograph and gene expression. The communication was designed to investigate OXT effect in the rat CdN on pain modulation. The results showed that (1) intra-CdN microinjection of OXT receptor antagonist, desGly-NH(2), d(CH(2))(5)[D-Tyr(2), Thr-sup-4]OVT decreased the pain threshold, whereas the local administration of OXT increased the pain threshold in a dose-dependent manner; (2) OXT receptor antagonist can attenuate the analgesic role induced intra-CdN administration of OXT; and (3) pain stimulation could increase OXT concentration in the CdN perfusion liquid. The data suggested that OXT in the CdN was involved in this pain process via OXT receptors.
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Affiliation(s)
- Jun Yang
- College of Pharmacy, Xinxiang Medical University, Xixiang, Henan, China.
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Veening JG, de Jong T, Barendregt HP. Oxytocin-messages via the cerebrospinal fluid: behavioral effects; a review. Physiol Behav 2010; 101:193-210. [PMID: 20493198 DOI: 10.1016/j.physbeh.2010.05.004] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2009] [Revised: 04/21/2010] [Accepted: 05/04/2010] [Indexed: 12/16/2022]
Abstract
The cerebrospinal fluid (CSF) usually is considered as a protective 'nutrient and waste control' system for the brain. Recent findings suggest, however, that the composition of CSF is actively controlled and may play an influential role in the changes in brain activity, underlying different behavioral states. In the present review, we present an overview of available data concerning the release of oxytocin into the CSF, the location of the oxytocin-receptive brain areas and the behavioral effects of intracerebroventricular oxytocin. About 80% of the oxytocin-receptive areas are located close to the ventricular or subarachnoid CSF, including the hypothalamic 'Behavior Control Column' (L.W.Swanson, 2003). As a conclusion we suggest that 'CSF-oxytocin' contributes considerably to the non-synaptic communication processes involved in hypothalamic-, brainstem- and olfactory brain areas and behavioral states and that the flowing CSF is used as a 'broadcasting system' to send coordinated messages to a wide variety of nearby and distant brain areas.
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Affiliation(s)
- Jan G Veening
- Department of Anatomy (109), UMC St Radboud, Nijmegen, The Netherlands.
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Schorscher-Petcu A, Dupré A, Tribollet E. Distribution of vasopressin and oxytocin binding sites in the brain and upper spinal cord of the common marmoset. Neurosci Lett 2009; 461:217-22. [DOI: 10.1016/j.neulet.2009.06.016] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Revised: 05/17/2009] [Accepted: 06/09/2009] [Indexed: 10/20/2022]
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Beery AK, Lacey EA, Francis DD. Oxytocin and vasopressin receptor distributions in a solitary and a social species of tuco-tuco (Ctenomys haigi andCtenomys sociabilis). J Comp Neurol 2008; 507:1847-59. [DOI: 10.1002/cne.21638] [Citation(s) in RCA: 117] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Gould BR, Zingg HH. Mapping oxytocin receptor gene expression in the mouse brain and mammary gland using an oxytocin receptor–LacZ reporter mouse. Neuroscience 2003; 122:155-67. [PMID: 14596857 DOI: 10.1016/s0306-4522(03)00283-5] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The hypothalamic nonapeptide oxytocin (OT) has an established role as a circulating hormone but can also act as a neurotransmitter and as a neuromodulator by interacting with its central OT receptor (OTR). To understand the role of the OTR in the mouse brain we investigated the expression of the OTR gene at the cellular level. We targeted the lacZ reporter gene to the OTR gene locus downstream of the endogenous OTR regulatory elements. Using lactating mouse mammary gland as a control for OTR promoter directed specificity of lacZ gene expression, X-gal histochemistry on tissue sections confirmed that gene expression was restricted to the myoepithelial cells. We also identified for the first time in mice the expression of the OTR gene in neighbouring adipocytes. Further, investigation in the mouse brain identified numerous nuclei containing neurons expressing the OTR gene. Whilst some of these regions had been described for rat or sheep, the OTR-LacZ reporter mouse enabled the identification of novel sites of central OTR gene expression. These regions include the accessory olfactory bulb, the medial septal nucleus, the posterolateral cortical amygdala nucleus, the posterior aspect of the basomedial amygdala nucleus, the medial part of the supramammillary nucleus, the dorsotuberomammillary nucleus, the medial and lateral entorhinal cortices, as well as specific dorsal tegmental, vestibular, spinal trigeminal, and solitary tract subnuclei. By mapping the distribution of OTR gene expression, depicted through histochemical detection of beta-galactosidase, we were able to identify single OTR gene expressing neurons and small neuron clusters that would have remained undetected by conventional approaches. These novel sites of OTR gene expression suggest additional functions of the oxytocinergic system in the mouse. These results lay the foundation for future investigation into the neural role of the OTR and provide a useful model for further study of oxytocin functions in the mouse.
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Affiliation(s)
- B R Gould
- Laboratory of Molecular Endocrinology, Royal Victoria Hospital, McGill University, 687 Pine Avenue West, Montreal, Quebec, Canada H3A 1A1
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Abstract
The present study was conducted on rats with inflammation induced by subcutaneous injection of carrageenan into the left hindpaw. Intrathecal administration of oxytocin produced dose-dependent increases in the hindpaw withdrawal latency (HWL) to thermal and mechanical stimulation in rats with inflammation. The antinociceptive effect of oxytocin was blocked by intrathecal administration of atosiban, a selective oxytocin antagonist, indicating that oxytocin receptor mediates oxytocin-induced antinociception in the spinal cord. The oxytocin-induced antinociceptive effect was attenuated by intrathecal administration of the opioid antagonist naloxone, suggesting an involvement of the endogenous opioid system in oxytocin-induced antinociception in the spinal cord of rats with inflammation. Furthermore, the antinociceptive effect of oxytocin was attenuated by intrathecal injections of the mu-receptor antagonist beta-funaltrexamine and the kappa-receptor antagonist nor-binaltorphimine, but not by the delta-receptor antagonist naltrindole, illustrating that mu- and kappa-receptors, but not delta-receptor, are involved in oxytocin-induced antinociception in the spinal cord of rats with inflammation. Moreover, intrathecal administration of atosiban alone induced a hyperalgesia in rats with inflammation, indicating that endogenous oxytocin is involved in the transmission and regulation of nociceptive information in the spinal cord of rats with inflammation. The present study showed that both exogenous and endogenous oxytocin displayed antinociception in the spinal cord in rats with inflammation, and mu- and kappa-receptors were involved in oxytocin-induced antinociception.
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Affiliation(s)
- Shuang Quan Yu
- Neurobiology Laboratory, College of Life Sciences, and Center for Brain and Cognitive Science and National Laboratory of Biomembrane and Membrane Biotechnology, Peking University, 100871, Beijing, China
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