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Hou W, Ma H, Huang C, Li Y, Li L, Zhang L, Qu Y, Xun Y, Yang Q, He Z, Tai F. Effects of paternal deprivation on empathetic behavior and the involvement of oxytocin receptors in the anterior cingulate cortex. Horm Behav 2024; 162:105536. [PMID: 38522143 DOI: 10.1016/j.yhbeh.2024.105536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 03/04/2024] [Accepted: 03/18/2024] [Indexed: 03/26/2024]
Abstract
Paternal deprivation (PD) impairs social cognition and sociality and increases levels of anxiety-like behavior. However, whether PD affects the levels of empathy in offspring and its underlying mechanisms remain unknown. The present study found that PD increased anxiety-like behavior in mandarin voles (Microtus mandarinus), impaired sociality, reduced the ability of emotional contagion, and the level of consolation behavior. Meanwhile, PD reduced OT neurons in the paraventricular nucleus (PVN) in both male and female mandarin voles. PD decreased the level of OT receptor (OTR) mRNA in the anterior cingulate cortex (ACC) of male and female mandarin voles. Besides, OTR overexpression in the ACC reversed the PD-induced changes in anxiety-like behavior, social preference, emotional contagion, and consolation behavior. Interference of OTR expression in the ACC increased levels of anxiety-like behaviors, while it reduced levels of sociality, emotional contagion, and consolation. These results revealed that the OTR in the ACC is involved in the effects of PD on empathetic behaviors, and provide mechanistic insight into how social experiences affect empathetic behaviors.
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Affiliation(s)
- Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China; School of Environmental and Material Engineering, Yantai University, 264005, China
| | - Huan Ma
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Caihong Huang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yin Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Lu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Lizi Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yishan Qu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yufeng Xun
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Qixuan Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
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2
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Wang Q, Wang Y, Tian Y, Li Y, Han J, Tai F, Jia R. Social environment enrichment alleviates anxiety-like behavior in mice: Involvement of the dopamine system. Behav Brain Res 2024; 456:114687. [PMID: 37778421 DOI: 10.1016/j.bbr.2023.114687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/28/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
Rearing environment plays a vital role in maintaining physical and mental health of both animals and humans. Plenty of studies have proved that physical environment enrichment in adolescence has protective effects on emotion, social behavior, learning and memory deficits. However, the following effects of social environment enrichment in adolescence remain largely elusive. Using the paradigm of companion rotation (CR), the present study found that social environment enrichment reduced anxiety-like behaviors of early adult male C57BL/6J mice. CR group also showed significantly higher expression of tyrosine hydroxylase in the ventral tegmental area and dopamine 1 receptor mRNA in the nucleus accumbens shell than control group. Taken together, these findings demonstrate that CR from adolescence to early adulthood can suppress the level of anxiety and upregulate dopaminergic neuron activity in early adult male C57BL/6J mice.
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Affiliation(s)
- Qun Wang
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Yuqian Wang
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Yaoyao Tian
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Yanyan Li
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Jing Han
- MOE Key Laboratory of Modern Teaching Technology, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Rui Jia
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China.
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3
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Lv Z, Li L, Li Y, Zhang L, Guo X, Huang C, Hou W, Qu Y, Liu L, Li Y, He Z, Tai F. Involvement of Serotonergic Projections from the Dorsal Raphe to the Medial Preoptic Area in the Regulation of the Pup-Directed Paternal Response of Male Mandarin Voles. Int J Mol Sci 2023; 24:11605. [PMID: 37511364 PMCID: PMC10380723 DOI: 10.3390/ijms241411605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/11/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023] Open
Abstract
Male mammals display different paternal responses to pups, either attacking or killing the young offspring, or contrastingly, caring for them. The neural circuit mechanism underlying the between-individual variation in the pup-directed responsiveness of male mammals remains unclear. Monogamous mandarin voles were used to complete the present study. The male individuals were identified as paternal and infanticidal voles, according their behavioral responses to pups. It was found that the serotonin release in the medial preoptic area (MPOA), as well as the serotonergic neuron activity, significantly increased upon licking the pups, but showed no changes after attacking the pups, as revealed by the in vivo fiber photometry of the fluorescence signal from the 5-HT 1.0 sensor and the calcium imaging indicator, respectively. It was verified that the 5-HTergic neural projections to the MPOA originated mainly from the ventral part of the dorsal raphe (vDR). Furthermore, the chemogenetic inhibition of serotonergic projections from the vDR to the MPOA decreased the paternal behaviors and shortened the latency to attack the pups. In contrast, the activation of serotonergic neurons via optogenetics extended the licking duration and inhibited infanticide. Collectively, these results elucidate that the serotonergic projections from the vDR to the MPOA, a previously unrecognized pathway, regulate the paternal responses of virgin male mandarin voles to pups.
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Affiliation(s)
- Zijian Lv
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Lu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yin Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Lizi Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Xing Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Caihong Huang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yishan Qu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Limin Liu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yitong Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
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Wu R, Xu Z, Song Z, Tai F. Providing or receiving alloparental care promote partner preference and alter central oxytocin and dopamine systems in adult mandarin voles. Horm Behav 2023; 152:105366. [PMID: 37116234 DOI: 10.1016/j.yhbeh.2023.105366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 03/15/2023] [Accepted: 04/16/2023] [Indexed: 04/30/2023]
Abstract
Juveniles of cooperative breeding species usually remain in the natal area and provide care to younger siblings, a behavior considered one form of alloparenting in the natural condition. Previous studies have demonstrated the effects of providing or receiving alloparental care on adult behaviors, including anxiety-like behavior, social interaction, and parental behavior, but little is known about the influences on species-typical bonding behaviors, such as pair-bond formation. In this study, we explored this concept using socially monogamous mandarin voles (Lasiopodomys mandarinus). As the oxytocin (OT) and dopamine systems are involved in alloparental and pair-bonding behaviors, we also examined the levels of central OT and tyrosine hydroxylase (TH), as well as OT receptor (OTR) and dopamine D1-type and D2-type receptors (D1R and D2R) mRNA expression in the nucleus accumbens (NAcc) and amygdala to investigate the underlying mechanisms. Our results show that mandarin voles providing alloparental care to younger siblings displayed facilitation of partner preference formation, lower levels of OT expression in the paraventricular nucleus of the hypothalamus (PVN) and lateral hypothalamus (LH), and increased OTR and D2R mRNA expression in the NAcc compared to controls. Individuals receiving alloparental care also demonstrated facilitation of partner preference formation in adult voles. Additionally, alloparental care enhanced OT expression in the PVN, anterior medial preoptic nucleus (MPOAa), medial amygdala (MeA), and TH expression in the ventral tegmental area (VTA) and zona incerta (ZI). Furthermore, males displayed decreased D1R mRNA expression in the NAcc, whereas females showed slightly increased D2R expression in the amygdala. These results demonstrate that providing or received alloparental care can promote partner preference formation in monogamous species and that these changes are associated with altered OT and dopamine levels and their receptors in specific brain regions.
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Affiliation(s)
- Ruiyong Wu
- Department of Animal Behavior, College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, Jiangsu 225009, China; Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China.
| | - Zedong Xu
- Department of Animal Behavior, College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Zhenzhen Song
- Department of Animal Behavior, College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, Jiangsu 225009, China; Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China.
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Shang S, He Z, Hou W, Chen X, Zhao X, Han H, Chen S, Yang S, Tai F. Molecular cloning, expression analysis and functional characterization of chicken cytochrome P450 27A1: A novel mitochondrial vitamin D 3 25-hydroxylase. Poult Sci 2023; 102:102747. [PMID: 37276702 PMCID: PMC10258509 DOI: 10.1016/j.psj.2023.102747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 04/05/2023] [Accepted: 04/19/2023] [Indexed: 06/07/2023] Open
Abstract
Vitamin D3 is hydroxylated by cytochrome P450 (CYP) before exerting biological effects. The chicken CYP involved in vitamin D3 25-hydroxylation has yet to be cloned, and little is known about its functional characteristics, tissue distribution, and cellular expression. We identified a novel, full-length CYP27A1 gene cloned from chicken hepatocyte cDNA that encodes a putative protein of 518 amino acids. Swiss modeling revealed that chicken CYP27A1 has a classic open-fold form. Multisequence homology alignment determined that CYP27A1 contains conserved motifs for substrate recognition and binding. Quantitative real-time PCR analysis in 2-mo-old Partridge Shank broilers demonstrated that CYP27A1 mRNA levels were highest in the liver, followed by the thigh muscles, the breast muscles, and kidneys. The transcripts of CYP27A1 in breast muscles were significantly higher in males than in females. A subcellular localization analysis demonstrated that CYP27A1 was mainly expressed in the mitochondria. In vitro enzyme assays suggested that recombinant CYP27A1 hydroxylates vitamin D3 at the C-25 position to form 25-hydroxyvitamin D3 (25(OH)D3). The Km and Vmax values for CYP27A1-dependent vitamin D3 25-hydroxylation were estimated to be 4.929 μM and 0.389 mol min-1 mg-1 protein, respectively. In summary, these results suggest that CYP27A1 encodes a mitochondrial CYP that plays an important physiologic role in the 25-hydroxylation of vitamin D3 in chickens, providing novel insights into vitamin D3 metabolism in this species.
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Affiliation(s)
- S Shang
- Shaanxi Province Key Laboratory of Bio-Resources, Shaanxi University of Technology, Hanzhong, China; Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China; Qinba State Key Laboratory of Biological Resources and Ecological Environment (Incubation), Hanzhong, China; Qinba Mountain Area Collaborative Innovation Center of Bioresources Comprehensive Development, China
| | - Z He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - W Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - X Chen
- Shaanxi Province Key Laboratory of Bio-Resources, Shaanxi University of Technology, Hanzhong, China
| | - X Zhao
- Hanzhong Central Hospital, Hanzhong, China
| | - H Han
- Shaanxi Province Key Laboratory of Bio-Resources, Shaanxi University of Technology, Hanzhong, China
| | - S Chen
- Shaanxi Province Key Laboratory of Bio-Resources, Shaanxi University of Technology, Hanzhong, China
| | - S Yang
- Shaanxi Province Key Laboratory of Bio-Resources, Shaanxi University of Technology, Hanzhong, China
| | - F Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China.
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6
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Ren L, Tai F. Voluntary wheel running ameliorates abnormalities in social behavior induced by social isolation: involvement of neural and neurochemical responses. Neurosci Lett 2023; 806:137241. [PMID: 37031945 DOI: 10.1016/j.neulet.2023.137241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/05/2023] [Accepted: 04/06/2023] [Indexed: 04/11/2023]
Abstract
Social isolation (SI) can lead to devastating behavioral effects. Increasing evidence has demonstrated that physical activity can improve sociability and brain functions, but whether voluntary exercise can ameliorate SI-induced abnormalities in social behavior and its underlying neuronal mechanisms remains unknown. The present study found that SI during adulthood increased aggression in the resident-intruder test and motivation for social exploration in the three-chamber test. Voluntary wheel running (VWR) could reverse the alterations in social behavior induced by SI in male mice. In addition, SI reduced the number of c-Fos-immunoreactive neurons and increased c-Fos/AVP-labeled neurons in the PVN and c-Fos/TPH2-labeled neurons in the DRN. These alterations could be reversed by VWR. Together, our results reveal that voluntary exercise could ameliorate SI-induced negative effects on social behavior, possibly via alterations of neuronal activation in the brain. This finding provides a potential therapy and targets to prevent or treat the psychological diseases associated with abnormalities in social behaviors.
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Affiliation(s)
- Lu Ren
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, China.
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7
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Hou W, Huang S, Li L, Guo X, He Z, Shang S, Jia Z, Zhang L, Qu Y, Huang C, Li Y, Li Y, Lv Z, Tai F. Oxytocin treatments or activation of the paraventricular nucleus-the shell of nucleus accumbens pathway reduce adverse effects of chronic social defeat stress on emotional and social behaviors in Mandarin voles. Neuropharmacology 2023; 230:109482. [PMID: 36893984 DOI: 10.1016/j.neuropharm.2023.109482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 02/12/2023] [Accepted: 03/02/2023] [Indexed: 03/09/2023]
Abstract
Chronic social stress can cause psychological disease. Although oxytocin (OT) has been showed to modulate effects of chronic social defeat stress (CSDS) on emotional and social behaviors, however, how OT circuits mediate effects of CSDS on emotional and social abnormalities remains unclear. Here, we found that repeated intraperitoneal OT administration in the process of CSDS buffered adverse effects of CSDS on emotional and social behaviors in mandarin voles (Microtus mandarinus) of both sexes except no effect on depression-like behavior of males. Repeated OT treatments during CSDS prevented decrease of oxytocin receptors in nucleus accumbens (NAc) in females, but produced no effects on males. Furthermore, using designer receptors exclusively activated by designer drugs (DREADDs)-based chemogenetic tools, we determined that the activation of the paraventricular nucleus (PVN)-the shell of NAc (NAcs) projections before social defeat during CSDS process significantly prevented the increase of the anxiety-like behaviors and social avoidance induced by CSDS in both sexes, and reversed the depressive-like behaviors induced by CSDS only in females. Besides, optogenetic activation of PVN-NAcs projections after CSDS reduced anxiety-like behaviors and increased levels of sociality. Collectively, we suggest that PVN-NAcs projections modulate emotional and social behaviors during or after the process of CSDS sex-specifically, although AAV viruses did not specifically infect OT neurons. These findings offer potential targets for preventing or treating emotional and social disorders induced by chronic stress.
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Affiliation(s)
- Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Shuying Huang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Lu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Xing Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Shufeng Shang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China; College of Bioscience and Engineering, Shaanxi University of Technology, Hanzhong, 723000, China
| | - Ziyan Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Lizi Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Yishan Qu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Caihong Huang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Yin Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Yitong Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Zijian Lv
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China.
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8
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Liu L, Liu T, Jia R, Zhang L, Lv Z, He Z, Qu Y, Sun S, Tai F. Downregulation of fatty acid oxidation led by Hilpda increases G2/M arrest/delay-induced kidney fibrosis. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166701. [PMID: 36990128 DOI: 10.1016/j.bbadis.2023.166701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/07/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023]
Abstract
Hypoxia-regulated proximal tubular epithelial cells (PTCs) G2/M phase arrest/delay was involved in production of renal tubulointerstitial fibrosis (TIF). TIF is a common pathological manifestation of progression in patients with chronic kidney disease (CKD), and is often accompanied by lipid accumulation in renal tubules. However, cause-effect relationship between hypoxia-inducible lipid droplet-associated protein (Hilpda), lipid accumulation, G2/M phase arrest/delay and TIF remains unclear. Here we found that overexpression of Hilpda downregulated adipose triglyceride lipase (ATGL) promoted triglyceride overload in the form of lipid accumulation, leading to defective fatty acid β-oxidation (FAO), ATP depletion in a human PTC cell line (HK-2) under hypoxia and in mice kidney tissue treated with unilateral ureteral obstruction (UUO) and unilateral ischemia-reperfusion injury (UIRI). Hilpda-induced lipid accumulation caused mitochondrial dysfunction, enhanced expression of profibrogenic factors TGF-β1, α-SMA and Collagen I elevation, and reduced expression of G2/M phase-associated gene CDK1, as well as increased CyclinB1/D1 ratio, resulted in G2/M phase arrest/delay and profibrogenic phenotypes. Hilpda deficiency in HK-2 cell and kidney of mice with UUO had sustained expression of ATGL and CDK1 and reduced expression of TGF-β1, Collagen I and CyclinB1/D1 ratio, resulting in the amelioration of lipid accumulation and G2/M arrest/delay and subsequent TIF. Expression of Hilpda correlated with lipid accumulation, was positively associated with tubulointerstitial fibrosis in tissue samples from patients with CKD. Our findings suggest that Hilpda deranges fatty acid metabolism in PTCs, which leads to G2/M phase arrest/delay and upregulation of profibrogenic factors, and consequently promote TIF which possibly underlie pathogenesis of CKD.
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Li Y, Yang Y, He ZX, Hou WJ, Guo X, Li L, Huang CH, Tai F. Effects of chronic social defeat on social interaction and partner preference in mandarin voles. BEHAVIOUR 2023. [DOI: 10.1163/1568539x-bja10208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Abstract
Different types of stress produce different effects on social relationships between partners. Chronic social defeat has been found to alter the emotional and social behaviours, whether it affects partner preference remains unclear. Using monogamous mandarin voles (Microtus mandarinus), the present study found that 14 days of social defeat to male vole could increase social avoidance in sociality test, and reduced attacking, intimate, sniffing and exploratory behaviours, but increased avoidance defensive, immobile behaviours in social interaction test. In addition, this treatment significantly reduced side-by-side contact with partner throughout cohabitation period, and reduced the attacking behaviour to strangers after 11 days’ cohabitation. Furthermore, in mandarin vole with chronic social defeat, partner preference was abolished on 5 and 7 days’ cohabitation indicating that pair bonding stability was impaired by chronic social defeat. Moreover, although mandarin voles spent longer time rescuing partner than stranger in both groups, chronic social defeat did not affect rescuing significantly. Impairment of pair bonding may be due to abnormalities in social interaction induced by chronic social defeat. This finding provides some insights into mechanisms underlying effects of prolong social stress on social relationships between partners.
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Affiliation(s)
- Yin Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
| | - Zhi Xiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
| | - Wen Juan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
| | - Xing Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
| | - Lu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
| | - Cai Hong Huang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, P.R. China
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10
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Zhu Y, Wang Y, Wang Y, Feng Y, Wang Q, Wang Q, Tian Y, Tai F, Jia R. Effects of cross-fostering experience on emotion in adolescent Kunming mice. BEHAVIOUR 2023. [DOI: 10.1163/1568539x-bja10200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Abstract
Parent–infant bonds are critical early postnatal environment in mammals. Unstable parent–infant bonds, such as maternal separation, paternal deprivation, and neonatal social isolation have negative effects on emotion, cognition, addiction, and social behaviours in the animal’s whole lifespan. Another unstable parent–infant bond, cross-fostering, in which pups were randomly exchanged to other parents has mostly focused on kin recognition and anxiety-like behavioural changes in adult. But its effects on adolescence, particularly on autism spectrum disorder, are poorly understood. Whole cross-fostering model was used in the present study. The results showed that with cross-fostering, adolescent Kunming mice buried more marbles, expressed higher levels of anxiety and depression. Cross-fostering attenuated prosocial behaviours and reduced the activity of adolescence when encountering another individual in social interaction test. Taken together, our results demonstrate that experiencing whole cross-fostering in early life is more likely to induce autism-, anxiety-, and depression- like behaviours in adolescence.
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Affiliation(s)
- Yunmeng Zhu
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
| | - Yuqian Wang
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
| | - Yuyu Wang
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
| | - Yiqin Feng
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
| | - Qun Wang
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
| | - Qiao Wang
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
| | - Yaoyao Tian
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
| | - Fadao Tai
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
- MOE Key Laboratory of Modern Teaching Technology, Shaanxi Normal University, Xi’an, Shaanxi 710062, P.R. China
| | - Rui Jia
- Institute of Brain and Behavioural Science, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710119, P.R. China
- MOE Key Laboratory of Modern Teaching Technology, Shaanxi Normal University, Xi’an, Shaanxi 710062, P.R. China
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11
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Abdel-qadir H, Tai F, Croxford R, Austin P, Amir E, Calvillo-Arguelles O, Ross H, Lee D, Thavendiranathan P. THE CHARACTERISTICS AND PROGNOSIS OF HEART FAILURE ASSOCIATED WITH CHEMOTHERAPY FOR EARLY BREAST CANCER: A POPULATION-BASED MATCHED COHORT STUDY. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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12
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Feng Y, Yang Y, Wang Y, Lv X, Zhang X, Wang Y, Zhu Y, Wang Q, He Z, Tai F, Jia R. Sex-dependent effects of pair bond interruption on anxiety- and depression-like behaviors in adult mandarin voles. Behav Processes 2021; 192:104497. [PMID: 34499983 DOI: 10.1016/j.beproc.2021.104497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 08/20/2021] [Accepted: 09/03/2021] [Indexed: 11/19/2022]
Abstract
Stable and positive social bonds are pretty vital to the development of animals. Instability and disruptions of social bonds, such as maternal separation and social isolation, always produce disastrous influence on physiology, neuroendocrine and behaviors. Pair bond is one of the most important social bonds in adulthood. But the different effects of pair bond interruption between males and females are rarely studied. In the present study, the monogamous mandarin voles (Microtus mandarinus) were used to confirm the time window of pair bond formation. After that, voles were separated from their partner for 1 or 2 weeks. Then anxiety- and depression-like behaviors were investigated by using open field test, light-dark box test, tail suspension test and forced swimming test, respectively. The results showed that: (1) cohabitation for 5 days is sufficient and necessary for mandarin voles to form pair bond; (2) loss of partner is always crucial for the effects of pair bond interruption, while social isolation works in certain behavioral tests.; (3) pair bond interruption for 2 weeks significantly increased the level of anxiety and depression in adult males, but not female mandarin voles. Overall, this research suggested that loss of partner plays a key role in pair bond interruption in male mandarin voles.
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Affiliation(s)
- Yiqin Feng
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Yuying Yang
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Yuan Wang
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Xiaohuan Lv
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Xin Zhang
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Yuqian Wang
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Yunmeng Zhu
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Qiao Wang
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Zhixiong He
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Fadao Tai
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China.
| | - Rui Jia
- Institute of Brain and Behavioral Science, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China; MOE Key Laboratory of Modern Teaching Technology, Shaanxi Normal University, Xi'an, Shaanxi, 710062, China.
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13
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Cai W, Ma H, Xun Y, Hou W, Wang L, Zhang X, Ran Y, Yuan W, Guo Q, Zhang J, Li L, Yang Y, Li Y, Lv Z, He Z, Jia R, Tai F. Involvement of the dopamine system in paternal behavior induced by repeated pup exposure in virgin male ICR mice. Behav Brain Res 2021; 415:113519. [PMID: 34389426 DOI: 10.1016/j.bbr.2021.113519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 07/06/2021] [Accepted: 08/07/2021] [Indexed: 10/20/2022]
Abstract
Like mothers, fathers play a vital role in the development of the brain and behavior of offspring in mammals with biparental care. Unlike mothers, fathers do not experience the physiological processes of pregnancy, parturition, or lactation before their first contact with offspring. Whether pup exposure can induce the onset of paternal behavior and the underlying neural mechanisms remains unclear. By using Slc:ICR male mice exhibiting maternal-like parental care, the present study found that repeated exposure to pups for six days significantly increased the total duration of paternal behavior and shortened the latency to retrieve and care for pups. Repeated pup exposure increased c-Fos-positive neurons and the levels of dopamine- and TH-positive neurons in the nucleus accumbens (NAc). In addition, inhibition of dopamine projections from the ventral tegmental area to the NAc using chemogenetic methods reduced paternal care induced by repeated pup exposure. In conclusion, paternal behavior in virgin male ICR mice can be initiated by repeated pup exposure via sensitization, and the dopamine system may be involved in this process.
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Affiliation(s)
- Wenqi Cai
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Huan Ma
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Yufeng Xun
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Wenjuan Hou
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Limin Wang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Xueni Zhang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Yufeng Ran
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Wei Yuan
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Qianqian Guo
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Jing Zhang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Laifu Li
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Yang Yang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Yitong Li
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Zijian Lv
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Zhixiong He
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Rui Jia
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China.
| | - Fadao Tai
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, China.
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14
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He Z, Zhang L, Hou W, Zhang X, Young LJ, Li L, Liu L, Ma H, Xun Y, Lv Z, Li Y, Jia R, Li J, Tai F. Paraventricular Nucleus Oxytocin Subsystems Promote Active Paternal Behaviors in Mandarin Voles. J Neurosci 2021; 41:6699-6713. [PMID: 34226275 PMCID: PMC8336703 DOI: 10.1523/jneurosci.2864-20.2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 06/03/2021] [Accepted: 06/07/2021] [Indexed: 11/21/2022] Open
Abstract
Paternal care plays a critical role in the development of brain and behaviors in offspring in monogamous species. However, the neurobiological mechanisms, especially the neuronal circuity, underlying paternal care is largely unknown. Using socially monogamous male mandarin voles (Microtus mandarinus) with high levels of paternal care, we found that paraventricular nucleus of the hypothalamus (PVN) to ventral tegmental area (VTA) or nucleus accumbens (NAc) oxytocin (OT) neurons are activated during paternal care. Chemogenetic activation/inhibition of the PVN OT projection to VTA promoted/decreased paternal care, respectively. Chemogenetic inhibition of the PVN to VTA OT pathway reduced dopamine (DA) release in the NAc of male mandarin voles during licking and grooming of pups as revealed by in vivo fiber photometry. Optogenetic activation/inhibition of the VTA to NAc DA pathway possibly enhanced/suppressed paternal behaviors, respectively. Furthermore, chemogenetic activation/inhibition of PVN to NAc OT circuit enhanced/inhibited paternal care. This finding is a first step toward delineating the neuronal circuity underlying paternal care and may have implications for treating abnormalities in paternal care associated with paternal postpartum depression or paternal abuse.SIGNIFICANCE STATEMENT Paternal behavior is essential for offspring survival and development in some mammalian species. However, the circuit mechanisms underlying the paternal brain are poorly understood. We show that manipulation of paraventricular nucleus of the hypothalamus (PVN) to ventral tegmental area (VTA) oxytocin (OT) projections as well as VTA to nucleus accumbens (NAc) DA projections promote paternal behaviors. Inhibition the PVN to VTA OT pathway reduces DA release in the NAc during pup licking and grooming. PVN to NAc OT circuit is also essential for paternal behaviors. Our findings identify two new neural circuits that modulate paternal behaviors.
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Affiliation(s)
- Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Lizi Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Xin Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Larry J Young
- Department of Psychiatry and Behavioral Sciences, Silvio O. Conte Center for Oxytocin and Social Cognition, Center for Translational Social Neuroscience, Yerkes National Primate Research Center, Emory University, Atlanta, Georgia 30033
- Center for Social Neural Networks, University of Tsukuba, Tsukuba 305-8555, Japan
| | - Laifu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Limin Liu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Huan Ma
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yufeng Xun
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zijian Lv
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yitong Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Jingang Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
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15
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Tai F, Bobotsis RP, Sachdeva M, Chan AW. A descriptive evaluation of resident prescription writing errors and self-perceived learning needs in dermatology. Clin Exp Dermatol 2021; 46:1093-1096. [PMID: 33914949 DOI: 10.1111/ced.14720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 04/24/2021] [Accepted: 04/26/2021] [Indexed: 11/30/2022]
Abstract
Prescribing errors in medical practice are common, and may be preventable in a significant proportion of cases. The literature on dermatological prescription errors is scarce. We sought to determine the rate and causes of resident prescribing errors in an outpatient dermatology practice, and surveyed residents' self-perceived prescription writing learning needs. All prescription errors were tabulated at the Ricky Kanee Schachter Dermatology Clinic (Women's College Hospital) from November 2019 to January 2020. There was an overall prescribing error rate of 1.58% (23/1457), with no significant difference between topical and systemic drugs (1.85% and 0.86%, respectively; P = 0.20) or between written prescriptions and those created by the electronic medical record (1.66% and 1.29%, respectively; P = 0.84). The survey response rate was 26.2% (22/82), with respondents reporting their overall confidence in dermatology prescription writing as (mean ± SD) 7.14 ± 1.75 out of 10. While the resident prescribing error rate was relatively low, multiple errors were avoidable, and residents agree that targeted dermatology-specific training in prescription writing is needed.
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Affiliation(s)
- F Tai
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - R P Bobotsis
- Division of Dermatology, University of Toronto, Toronto, ON, Canada
| | - M Sachdeva
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - A W Chan
- Division of Dermatology, University of Toronto, Toronto, ON, Canada.,Women's College Research Institute, Women's College Hospital, University of Toronto, Toronto, ON, Canada
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16
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Hou W, Ma H, Xun Y, Zhang X, Cai W, Huang S, He Z, Tai F, Jia R. Sex-Dependent Effects of Chronic Social Defeat on Emotional and Social Behaviors, and Parameters of Oxytocin and Vasopressin Systems in Mandarin Voles ( Microtus mandarinus). Front Neurosci 2021; 15:625116. [PMID: 34045941 PMCID: PMC8144301 DOI: 10.3389/fnins.2021.625116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 03/23/2021] [Indexed: 11/13/2022] Open
Abstract
In the regulation of emotional and social behaviors, both oxytocin (OT) and vasopressin (AVP) are sex specific. Although significant sex differences have been reported in the context of behavioral and hormonal responses to social stress, such differences in response to chronic social defeat stress (CSDS) and the underlying neural mechanisms remain largely unknown. By investigating monogamous mandarin voles (Microtus mandarinus), CSDS was found to decrease the percentages of time spent in the central area of the open field, in the open arms of the elevated plus maze, as well as in the light area of the light and dark boxes in both male and female voles. CSDS also increased the observed level of social withdrawal in both sex groups. However, CSDS exposure increased the percentages of immobile time in both the tail suspension test and the forced swim test and reduced the locomotor activity in the open field (in females only). Along with these behavioral changes, the oxytocin receptor (OTR) levels in the nucleus accumbens (NAc) were significantly lower in CSDS-exposed voles of both sexes; however, in males, the levels of OTR in the paraventricular nucleus (PVN) were reduced. CSDS-exposed males showed lower levels of V1aR in the NAc than CSDS-exposed females. Furthermore, induced by a single social defeat event, CSDS reduced c-Fos and OT double labeling in the PVN of females but increased c-Fos and AVP double-labeled neurons in the PVN of males exposed to a single social defeat event. Collectively, the present study indicates that OT and AVP systems may play important regulatory roles in the sex differences of behavioral performances in response to CSDS. These findings suggest mandarin voles as a useful animal model for studying sex-specific behavioral performance and the underlying neurobiological mechanisms of stress-related mental disorders in preclinical studies.
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Affiliation(s)
- Wenjuan Hou
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Huan Ma
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Yufeng Xun
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Xin Zhang
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Wenqi Cai
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Shuying Huang
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Zhixiong He
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Fadao Tai
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
| | - Rui Jia
- Laboratory for Brain and Behavioral Science, Shaanxi Normal University, Xi'an, China
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17
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Zhang X, Xun Y, Wang L, Zhang J, Hou W, Ma H, Cai W, Li L, Guo Q, Li Y, Lv Z, Jia R, Tai F, He Z. Involvement of the dopamine system in the effect of chronic social isolation during adolescence on social behaviors in male C57 mice. Brain Res 2021; 1765:147497. [PMID: 33894223 DOI: 10.1016/j.brainres.2021.147497] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 03/22/2021] [Accepted: 04/18/2021] [Indexed: 01/10/2023]
Abstract
In the early stage of life, experiencing social isolation can generate long-lasting deleterious effects on behaviors and brain development. However, the effects of chronic social isolation during adolescence on social behaviors and its underlying neurobiological mechanisms remain unclear. The present study found that four weeks of social isolation during adolescence impaired social recognition ability in the three-chamber test and five-trial social recognition test, and increased aggressive-like behaviors, but reduced environmental exploration, as showed in the social interaction test. Chronic social isolation decreased levels of dopamine D2 receptor in the shell of the nucleus accumbens (NAcc) and medial prefrontal cortex. It also reduced TH in the NAcc. Using in vivo fiber photometry, it was also found that isolated mice displayed a reduction in NAcc shell activity upon exploring unfamiliar social stimuli. An injection of a 100 ng dose of the D2R agonist quinpirole into the shell of the NAcc reversed behavioral abnormalities induced by chronic social isolation. These data suggest that the dopamine system is involved in alterations in social behaviors induced by chronic social isolation. This finding sheds light on the mechanism underlying abnormalities in social behavior induced by adolescent chronic social isolation and provides a promising target to treat mental diseases relevant to social isolation.
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Affiliation(s)
- Xueni Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yufeng Xun
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Jing Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Huan Ma
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenqi Cai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Laifu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Qianqian Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yitong Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zijian Lv
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
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18
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Wang Z, Liu W, Tai F. Circadian Activity Patterns and Time Budgets of the Complex-Toothed Flying Squirrel (Trogopterus xanthipes) in Different Seasons. PAK J ZOOL 2021. [DOI: 10.17582/journal.pjz/20200323070344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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19
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Lian T, Zhang X, Wang X, Wang R, Gao H, Tai F, Yu Q. Neonatal exposure to chlordecone alters female social behaviors and central estrogen alpha receptor expression in socially monogamous mandarin voles. Toxicol Res (Camb) 2020; 9:173-181. [PMID: 32670549 DOI: 10.1093/toxres/tfaa014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/24/2020] [Accepted: 03/18/2020] [Indexed: 11/15/2022] Open
Abstract
Chlordecone (CD) is one of the common persistent organic pollutants in nature and has a profound impact on the environment and on public health. Accumulating evidence has demonstrated that neonatal exposure of CD influences adult physiology and behavior due to its estrogenic properties. Using socially monogamous mandarin voles as an experimental animal model, the present study aimed to evaluate the impact of neonatal exposure to CD on female social behaviors and central estrogen receptor alpha (ERα) expression in adulthood. After receiving a single subcutaneous injection with sesame seed oil (female control group), 17 beta-estradiol (E2 group), or CD group on postnatal Day 1, the social behaviors of adult animals and ERα expression in specific brain regions were assessed. The data indicated that CD or E2-treated female animals displayed increased affiliative behaviors and decreased aggressive behaviors with regard to the unfamiliar females in the social interaction test. In addition, CD or E2-treated female voles exhibited significant preferences to females over males in the sexual preference test. Moreover, CD-treated female animals exhibited higher levels of ERα expression in the bed nucleus of the stria terminalis, the central amygdala, the medial amygdala and the medial preoptic area compared with those of the control voles. The results suggested that neonatal exposure to CD may masculinize female social behaviors, possibly via CD-induced changes in the ERα expression of relevant brain regions.
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Affiliation(s)
- Ting Lian
- Institute of Basic and Translational Medicine, Xi'an Medical University, Xinwang Road, Weiyang District, Xi'an 710021, China.,Research Center for Prevention and Treatment of Respiratory Disease, School of Clinical Medicine, Xi'an Medical University, Xinwang Road, Weiyang District, Xi'an 710021, China
| | - Xudong Zhang
- China-Nepal Friendship Medical Research center of Rajiv Kumar Jha, Xi'an Medical University, Xinwang Road,Weiyang District, Xi'an 710021, China
| | - Xiye Wang
- Research Center for Prevention and Treatment of Respiratory Disease, School of Clinical Medicine, Xi'an Medical University, Xinwang Road, Weiyang District, Xi'an 710021, China
| | - Rong Wang
- Department of Pharmacology, Xi'an Medical University, Xinwang Road,Weiyang District, Xi'an 710021, China
| | - Huan Gao
- Department of Pharmacology, Xi'an Medical University, Xinwang Road,Weiyang District, Xi'an 710021, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Science, Shaanxi Normal University, Changan South Road, Yanta District, Xi'an 710062, China
| | - Qi Yu
- Institute of Basic and Translational Medicine, Xi'an Medical University, Xinwang Road, Weiyang District, Xi'an 710021, China
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20
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Hou W, He Z, Yang Y, Yuan W, Wang L, Zhang J, Zhang X, Cai W, Guo Q, Tai F. The involvement of oxytocin in the effects of chronic social defeat stress on emotional behaviours in adult female mandarin voles. Eur J Neurosci 2020; 52:2853-2872. [PMID: 32011013 DOI: 10.1111/ejn.14691] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/31/2019] [Accepted: 01/23/2020] [Indexed: 12/26/2022]
Abstract
Chronic social defeat stress (CSDS) can induce anxiety and depression in male rodents, but the prevalence of anxiety and depression is much higher in females, and effects of CSDS on adult females and its underlying mechanism remain unclear. Oxytocin is a stress-buffering hormone in the brain that modulates the physiological effects of stress. Strikingly, research regarding the effect of oxytocin on emotional changes caused by CSDS is still lacking in females. Thus, we focused on the involvement of the oxytocin system in changes in emotional regulation induced by CSDS in female voles. Seventy-day-old female mandarin voles (Microtus mandarinus) were exposed to aggressive adult females for 14 days, and the effects of CSDS on emotion and regulation of oxytocin system were characterized. In addition, we injected vehicle, oxytocin and oxytocin receptor antagonist into the nucleus accumbens (Nacc) of female voles to investigate the involvement of Nacc oxytocin in the effect of CSDS on emotion. Herein, we reported that CSDS increased anxiety and depression-like behaviour and the circulating level of corticosterone, but decreased the number of oxytocin projections and the protein and mRNA expression levels of oxytocin receptor in the Nacc. Injection of oxytocin into the Nacc reversed the effects of CSDS on anxiety-like and depressive-like behaviour, whereas combined injections of oxytocin and oxytocin receptor antagonist eliminated these effects. In conclusion, CSDS increases the levels of anxiety and depression possibly via a reduction in oxytocin projections and the oxytocin receptor level in the Nacc. Nacc oxytocin may be involved in the effects of CSDS on emotional behaviours.
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Affiliation(s)
- Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Jing Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Xueni Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wenqi Cai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Qianqian Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
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Guo Q, Wang L, Yuan W, Li L, Zhang J, Hou W, Yang Y, Zhang X, Cai W, Ma H, Xun Y, Jia R, He Z, Tai F. Different effects of chronic social defeat on social behavior and the brain CRF system in adult male C57 mice with different susceptibilities. Behav Brain Res 2020; 384:112553. [PMID: 32057826 DOI: 10.1016/j.bbr.2020.112553] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 02/09/2020] [Accepted: 02/10/2020] [Indexed: 12/16/2022]
Abstract
Chronic social defeat stress (CSDS) has been found to produce different impacts on anxiety-like behaviors, spatial cognitive function and memory in rodents with different susceptibilities. However, the impacts of chronic social defeat on social behaviors in adult male mice with different susceptibilities to social defeat and the underlying mechanisms in the brain remain unclear. In the present study, we found that ten days of social defeat reduced the tendency of susceptible adult male C57 mice to approach an unfamiliar individual and increased their avoidance of an unfamiliar CD-1 mouse but had no effects on resilient individuals. In addition, CSDS enhanced anxiety-like behavior in susceptible animals, but produced no effects in the resilient group. Meanwhile, CSDS increased the number of corticotropin-releasing factor (CRF)-positive neurons in the paraventricular nucleus of the hypothalamus and CRF-R2-positive neurons in the accumbens nucleus shell in both resilient and susceptible animals. CSDS increased the number of CRF-R1-positive neurons and CRF-R1 mRNA expression in the prelimbic cortex (PrL) and the number of CRF-R2-positive neurons in the basolateral amygdala, but reduced the number of CRF-R2-positive neurons and mRNA expression in the PrL in susceptible animals. Therefore, the different effects of CSDS on sociability and anxiety-like behavior in mice with different susceptibilities may be associated with region- and type-specific alterations in CRF receptor levels. These findings help us understand the underlying mechanism by which social stress affects emotion and social behavior and provides an important basis for the treatment of disorders of social and emotional behavior caused by social stress.
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Affiliation(s)
- Qianqian Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Laifu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Jing Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Xueni Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Wenqi Cai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Huan Ma
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - YuFeng Xun
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China.
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China; Cognition Neuroscience and Learning Division, Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi'an, 710062, China.
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22
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Yuan W, Li L, Hou W, He Z, Wang L, Zhang J, Yang Y, Cai W, Guo Q, Zhang X, Jia R, Lian Z, Tai F. Preweaning Paternal Deprivation Impacts Parental Responses to Pups and Alters the Serum Oxytocin and Corticosterone Levels and Oxytocin Receptor, Vasopressin 1A Receptor, Oestrogen Receptor, Dopamine Type I Receptor, Dopamine Type II Receptor Levels in Relevant Brain Regions in Adult Mandarin Voles. Neuroendocrinology 2020; 110:292-306. [PMID: 31256151 DOI: 10.1159/000501798] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/27/2019] [Indexed: 11/19/2022]
Abstract
Although maternal separation and neonatal paternal deprivation (PD) have been found to exert a profound and persistent effects on the physiological and behavioural development of offspring, whether preweaning PD (PPD; from PND 10 to 21) affects maternal and parental responses to pups and the underlying neuroendocrine mechanism are under-investigated. Using monogamous mandarin voles (Microtus mandarinus), the present study found that PPD increased the latency to approach a pup-containing ball, decreased the total durations of sniffing and contacting a pup-containing ball and walking and increased the total duration of inactivity in both sexes. Moreover, PPD decreased serum oxytocin levels and increased corticosterone levels, but only in females. Furthermore, in both males and females, PPD decreased the expression of oxytocin receptor mRNA and protein in the medial preoptic area (MPOA), nucleus accumbens (NAcc) and medial prefrontal cortex (mPFC), but increased it in the medial amygdala (MeA) and decreased the expression of oestrogen receptor mRNA and protein in the MPOA. PPD increased the expression of dopamine type I receptor in the NAcc, but decreased it in the mPFC. PPD decreased dopamine type II receptor (D2R) in the NAcc both in males and females, but increased D2R in the mPFC in females and decreased D2R protein expression in males. Moreover, PPD decreased vasopressin 1A receptor (V1AR) in the MPOA, MeA and mPFC, but only in males. Our results suggest that the reduction of parental responses to pups induced by PPD may be associated with the sex-specific alteration of several neuroendocrine parameters in relevant brain regions.
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Affiliation(s)
- Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
- Provincial Key Laboratory of Acupuncture and Medications, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Laifu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Jing Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wenqi Cai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Qianqian Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Xueni Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
- Cognition Neuroscience and Learning Division, Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi'an, China
| | - Zhenmin Lian
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China,
- Cognition Neuroscience and Learning Division, Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi'an, China,
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Wang L, He Z, Zhu Z, Yuan W, Cai W, Li L, Zhang J, Hou W, Yang Y, Zhang X, Guo Q, Wang X, Lian Z, Tai F. The serotonin system in the hippocampus CA3 involves in effects of CSDS on social recognition in adult female mandarin voles (Microtus mandarinus). Prog Neuropsychopharmacol Biol Psychiatry 2019; 95:109704. [PMID: 31330217 DOI: 10.1016/j.pnpbp.2019.109704] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 06/28/2019] [Accepted: 07/17/2019] [Indexed: 12/27/2022]
Abstract
Chronic social defeat stress (CSDS) exacerbated the development of stress-related psychiatric disorders, and the social recognition dysfunction is the core feature of many psychiatric disorders. However, the effects of CSDS on female social recognition and the underlying neural mechanisms remain unclear. Using highly aggressive adult female mandarin voles (Microtus mandarinus) as animal model, the aim of this work is to investigate the effects of CSDS on social recognition in adult female rodents and the neurobiological mechanisms underlying these effects. Our results indicate the CSDS disrupted the normal social recognition in adult female voles. Meanwhile, defeated voles exhibited increased neural activity in the DG, CA1 and CA3 of the hippocampus. Furthermore, CSDS reduced levels of serotonin (5-HT) and serotonin 1A receptors (5-HT1AR) in the CA3. We also discovered that microinjection of 8-OH-DPAT into the CA3 effectively reversed the social recognition deficits induced by CSDS, and an infusion of WAY-100635 into the CA3 of control female voles impaired social recognition. Moreover, targeted activation of the 5-HT neuron projection from the DRN to CA3 by long-term administration of CNO significantly prevented the CSDS induced social recognition deficits. Taken together, our study demonstrated that CSDS induced social recognition deficits in adult female voles, and these effects were mediated by the action of 5-HT on the 5-HT1AR in the hippocampus CA3. The projection from the DRN to CA3 may be involved in social recognition deficits induced by CSDS.
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Affiliation(s)
- Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhenxiang Zhu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenqi Cai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Laifu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Jing Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Xueni Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Qianqian Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Xia Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhenmin Lian
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
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Hennessy MB, Tai F, Carter KA, Watanasriyakul WT, Gallimore DM, Molina AL, Schiml PA. Central oxytocin alters cortisol and behavioral responses of guinea pig pups during isolation in a novel environment. Physiol Behav 2019; 212:112710. [PMID: 31629763 DOI: 10.1016/j.physbeh.2019.112710] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/26/2019] [Accepted: 10/14/2019] [Indexed: 12/17/2022]
Abstract
The neuropeptide oxytocin plays key roles in social bonding and stress reduction, and thus appears to be a likely mediator of maternal buffering of infant stress responses. In the guinea pig, the presence of the mother in a threatening environment buffers cortisol elevations as well as active (vocalizing) and passive (e.g. crouching) responses typical of isolation in this species; yet, effects of OT in guinea pig pups under any conditions have not been reported. Here, we examined the ability of intracerebroventricular (ICV) OT to moderate plasma cortisol levels and behavior in guinea pig pups isolated in a brightly lit, novel environment, and the ability of a highly selective OT antagonist (OTA) to reduce buffering by the mother. We found that ICV OT moderated cortisol levels and vocalizations, but increased time spent in the crouched stance, particularly in females. In addition, OT modulated other ongoing behaviors in a sex-dependent fashion. In females, OT reduced duration of walking and rearing, and increased time spent quiet, while in males OT increased duration of rearing. OTA, however, was without effect on cortisol levels or behavior. These findings, including sex differences in response, extend results from other species to the guinea pig. Further, while demonstrating that exogenous OT is sufficient to reduce biobehavioral stress responses typical of isolated guinea pig infants, the results suggest that endogenous OT is not necessary for maternal buffering of infant responses in this species.
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Affiliation(s)
- Michael B Hennessy
- Department of Psychology, Wright State University, 335 Fawcett Hall, 3640 Col Glenn Hwy, Dayton, OH 45435, United States.
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China; Cognition Neuroscience and Learning Division, Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, China
| | - Kendra A Carter
- Department of Psychology, Wright State University, 335 Fawcett Hall, 3640 Col Glenn Hwy, Dayton, OH 45435, United States
| | - W Tang Watanasriyakul
- Department of Psychology, Wright State University, 335 Fawcett Hall, 3640 Col Glenn Hwy, Dayton, OH 45435, United States
| | - Darci M Gallimore
- Department of Psychology, Wright State University, 335 Fawcett Hall, 3640 Col Glenn Hwy, Dayton, OH 45435, United States
| | - Andrea L Molina
- Department of Psychology, Wright State University, 335 Fawcett Hall, 3640 Col Glenn Hwy, Dayton, OH 45435, United States
| | - Patricia A Schiml
- Department of Psychology, Wright State University, 335 Fawcett Hall, 3640 Col Glenn Hwy, Dayton, OH 45435, United States
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25
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He Z, Young L, Ma XM, Guo Q, Wang L, Yang Y, Luo L, Yuan W, Li L, Zhang J, Hou W, Qiao H, Jia R, Tai F. Increased anxiety and decreased sociability induced by paternal deprivation involve the PVN-PrL OTergic pathway. eLife 2019; 8:44026. [PMID: 31084703 PMCID: PMC6516825 DOI: 10.7554/elife.44026] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 04/14/2019] [Indexed: 12/22/2022] Open
Abstract
Early adverse experiences often have devastating consequences. However, whether preweaning paternal deprivation (PD) affects emotional and social behaviors and their underlying neural mechanisms remain unexplored. Using monogamous mandarin voles, we found that PD increased anxiety-like behavior and attenuated social preference in adulthood. PD also decreased the number of oxytocin (OT)-positive neurons projecting from the paraventricular nucleus (PVN) and reduced the levels of the medial prefrontal cortex OT receptor protein in females and of the OT receptor and V1a receptor proteins in males. Intra-prelimbic cortical OT injections reversed the PD-induced changes in anxiety-like behavior and social preferences. Optogenetic activation of the prelimbic cortex OT terminals from PVN OT neurons reversed the PD-induced changes in emotion and social preference behaviors, whereas optogenetic inhibition was anxiogenic and impaired social preference in naive voles. These findings demonstrate that PD increases anxiety-like behavior and attenuates social preferences through the involvement of PVN OT neuron projections to the prelimbic cortex. Parental care early in life is essential for normal development of the brain in humans and some other animals. It also lays the ground work for healthy behaviors later in life. Many studies have looked at the importance of a mother’s care, but less attention has been paid to the role played by fathers. Research shows that children who grow up without a father are at risk of emotional and behavioral problems later in life. But it is not clear how missing a father’s care affects brain development. Oxytocin, a chemical produced by a part of the brain called the paraventricular nucleus, plays a key role in parental bonding. Another part of the brain called the prelimbic cortex regulates many emotions and many complex behaviors. Studying animals, like the mandarin vole, that form strong bonds with both parents is one way to learn more about how the loss of paternal care affects oxytocin or emotional and behavioral health. Now, He et al. show that mandarin voles raised without a father are more anxious and socialize less with other voles than those raised with a father. The voles deprived of paternal care also have fewer oxytocin-producing cells in the paraventricular nucleus and fewer receptors for oxytocin in the prelimbic cortex. Injecting oxytocin into the prelimbic cortex eliminated the anxious and antisocial behavior seen in the voles lacking paternal care. Using a technique called optogenetics to restore the release of oxytocin in the prelimbic cortex reduced anxious behavior and restored normal social interactions. Using the same approach to interfere with communication between the paraventricular nucleus and prelimbic cortex in voles raised with a father also triggered anxious and antisocial behavior. The experiments reveal that fathers play an important role in brain and behavioral development in mandarin voles. He et al. show that a lack of paternal care leads to deficits in oxytocin and a poor communication between the paraventricular nucleus and prelimbic cortex that contribute to emotional and social abnormalities in the voles. More studies are needed to determine father’s care has similar effects in humans. But if this relationship is confirmed, it might lead scientists to develop new strategies for treating psychiatric disorders in people deprived of paternal care.
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Affiliation(s)
- Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Larry Young
- Department of Psychiatry and Behavioral Sciences, Silvio O. Conte Center for Oxytocin and Social Cognition, Center for Translational Social Neuroscience, Yerkes National Primate Research Center, Emory University, Atlanta, United States.,Center for Social Neural Networks, University of Tsukuba, Tsukuba, Japan
| | - Xin-Ming Ma
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China.,Department of Neuroscience, University of Connecticut Health Center, Farmington, United States
| | - Qianqian Guo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Luo Luo
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Laifu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Jing Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Hui Qiao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
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Yuan W, He Z, Hou W, Wang L, Li L, Zhang J, Yang Y, Jia R, Qiao H, Tai F. Role of oxytocin in the medial preoptic area (MPOA) in the modulation of paternal behavior in mandarin voles. Horm Behav 2019; 110:46-55. [PMID: 30836063 DOI: 10.1016/j.yhbeh.2019.02.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 02/15/2019] [Accepted: 02/19/2019] [Indexed: 11/15/2022]
Abstract
Parental care plays an important role in individual survival and development in mammals. Many studies have focused on the mechanisms underlying maternal behavior. However, the underlying neural mechanisms of paternal behavior are less understood. Using monogamous mandarin voles (Microtus mandarinus), the present study found that fathers initiated more paternal behavior and the virgin male showed more infanticide. Moreover fathers had shorter latency to approach a pup at the postnatal day (PND) 10 than PND1, PND20 than nonfathers. Fathers had a shorter latency to take care of unfamiliar pups than nonfathers. They had higher levels of paternal behavior at PND 10 than PND1 and PND20 toward the mandarin vole pups. Fathers had a significantly higher serum concentration of oxytocin (OT) than virgin males. Both RT-PCR and Western blot results indicated that the levels of the oxytocin receptor (OTR) in the medial preoptic area (MPOA) of fathers were significantly higher than in virgin males, but the levels of vasopressin 1a receptor (V1AR) mRNA and protein expression in the MPOA did not show significant differences. Microinjection of an oxytocin receptor antagonist into the MPOA significantly reduced the total duration of paternal behavior and increased the latency to approach the pup and initiate paternal behavior. Our results indicated that OT plays a key role in the modulation of paternal behavior via the MPOA.
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Affiliation(s)
- Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Laifu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Jing Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Hui Qiao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
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27
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Wang L, Zhu Z, Hou W, Zhang X, He Z, Yuan W, Yang Y, Zhang S, Jia R, Tai F. Serotonin Signaling Trough Prelimbic 5-HT1A Receptors Modulates CSDS-Induced Behavioral Changes in Adult Female Voles. Int J Neuropsychopharmacol 2018; 22:208-220. [PMID: 30445535 PMCID: PMC6403097 DOI: 10.1093/ijnp/pyy093] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 11/02/2018] [Accepted: 11/14/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Most previous studies have focused on the effects of social defeat in male juvenile individuals. Whether chronic social defeat stress in adulthood affects female emotion and the underlying mechanisms remains unclear. METHODS Using highly aggressive adult female mandarin voles (Microtus mandarinus), the present study aimed to determine the effects of chronic social defeat stress on anxiety- and depression-like behaviors in adult female rodents and investigate the neurobiological mechanisms underlying these effects. RESULTS Exposure of adult female voles to social defeat stress for 14 days reduced the time spent in the central area of the open field test and in the open arms of the elevated plus maze and lengthened the immobility time in the tail suspension and forced swimming tests, indicating increased anxiety- and depression-like behaviors. Meanwhile, defeated voles exhibited increased neural activity in the prelimbic cortex of the medial prefrontal cortex. Furthermore, chronic social defeat stress reduced serotonin projections and levels of serotonin 1A receptors in the medial prefrontal cortex-prelimbic cortex. Intra-prelimbic cortex microinjections of the serotonin 1A receptor agonist 8-OH-DPAT reversed the alterations in emotional behaviors, whereas injections of the serotonin 1A receptor antagonist WAY-100635 into the prelimbic cortex of control voles increased the levels of anxiety- and depression-like behaviors. CONCLUSIONS Taken together, our results demonstrated that chronic social defeat stress increased anxiety- and depression-like behaviors in adult female voles, and these effects were mediated by the action of serotonin on the serotonin 1A receptors in the prelimbic cortex. The serotonin system may be a promising target to treat emotional disorders induced by chronic social defeat stress.
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Affiliation(s)
- Limin Wang
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Zhenxiang Zhu
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Wenjuan Hou
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Xueni Zhang
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Zhixiong He
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Wei Yuan
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Yang Yang
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Siyi Zhang
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Rui Jia
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China
| | - Fadao Tai
- College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi, China,Correspondence: Fadao Tai, PhD, Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710062, China ()
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He Z, Guo Q, Yang Y, Wang L, Zhang S, Yuan W, Li L, Zhang J, Hou W, Yang J, Jia R, Tai F. Pre-weaning paternal deprivation impairs social recognition and alters hippocampal neurogenesis and spine density in adult mandarin voles. Neurobiol Learn Mem 2018; 155:452-462. [DOI: 10.1016/j.nlm.2018.09.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Revised: 08/30/2018] [Accepted: 09/19/2018] [Indexed: 12/20/2022]
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Wang B, Wang L, Wang K, Tai F. The effects of fathering experience on paternal behaviors and levels of central expression of oxytocin and dopamine-2 type receptors in mandarin voles. Physiol Behav 2018; 193:35-42. [DOI: 10.1016/j.physbeh.2018.02.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 02/07/2018] [Accepted: 02/20/2018] [Indexed: 10/17/2022]
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Wu R, Song Z, Tai F. Parent-offspring cohabitation after weaning inhibits partner preference and alters central oxytocin and dopamine systems in adult mandarin vole. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2018; 204:593-604. [PMID: 29671049 DOI: 10.1007/s00359-018-1262-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 04/11/2018] [Accepted: 04/13/2018] [Indexed: 02/04/2023]
Abstract
In some mammals, offspring may live with their parents for a very long time after weaning, but little is known about the effect of post-weaning parent-offspring cohabitation on the behavioral and neurobiological development of offspring. Here, we explored the effect of this experience on partner preference in adult mandarin vole (Microtus mandarinus). Levels of central oxytocin (OT), tyrosine hydroxylase (TH), as well as OT receptor (OTR), dopamine D1-type and D2-type receptors (D1R and D2R) mRNA expression in the nucleus accumbens (NAcc) and medial amygdala (MeA) were also measured. Our data showed that post-weaning living with parents inhibited the preference to partner over an unfamiliar opposite-sex conspecific. Voles with this experience possessed more OT-but less TH-immunoreactive neurons as compared to the control. Additionally, males with this experience had less D2R and OTR mRNA expression in the NAcc than the control while females had less D2R mRNA expression in the NAcc, but more OTR mRNA expression in the MeA. These findings demonstrate that post-weaning parent-offspring cohabitation inhibits the partner preference formation at adulthood, and these changes may be associated with alterations in the levels of central OT and DA, and their receptor mRNA expression in specific brain regions.
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Affiliation(s)
- Ruiyong Wu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, Shaanxi, China. .,Department of Animal Behavior, College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
| | - Zhenzhen Song
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, Shaanxi, China.,Department of Animal Behavior, College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, Shaanxi, China. .,Department of Psychology, Wright State University, Dayton, OH, USA.
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Wang L, Hou W, He Z, Yuan W, Yang J, Yang Y, Jia R, Zhu Z, Zhou Y, Tai F. Effects of chronic social defeat on social behaviors in adult female mandarin voles (Microtus mandarinus): Involvement of the oxytocin system in the nucleus accumbens. Prog Neuropsychopharmacol Biol Psychiatry 2018; 82:278-288. [PMID: 29126982 DOI: 10.1016/j.pnpbp.2017.11.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 11/03/2017] [Accepted: 11/06/2017] [Indexed: 01/31/2023]
Abstract
Chronic social defeat affects many aspects of behavior. Most previous studies have focused on effects on males and defeat during adolescence. The extents to which chronic social defeat can impact female social behavior in adulthood and the neural mechanisms of such effects are poorly understood. Using highly social and aggressive female mandarin voles (Microtus mandarinus), the present study found that chronic social defeat reduced social preference in adult females, and that the defeated voles exhibited a high level of freeze, self-grooming and defensive behavior, as well as reduced exploration, intimacy and aggression during social interactions. Furthermore, chronic social defeat reduced levels of oxytocin (OT) and OT receptors (OTR) in the shell region of the nucleus accumbens (NACC). Intra-NACC shell OT microinjections reversed alterations in social behavior induced by chronic social defeat, whereas injections of an OTR antagonist (OTR-A) blocked the effects of OT. Taken together, our data demonstrate that chronic social defeat suppresses measures of sociability, and that these effects are mediated by the action of OT on the OTR in the NACC. NACC OT may be a promising target to treat socio-emotional disorders induced by chronic social stress.
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Affiliation(s)
- Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Jinfeng Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yang Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhenxiang Zhu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yue Zhou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
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Toit ED, Tai F, Peart J, Headrick J. The Impact of Comorbid Obesity and Depression on Myocardial Tolerance to Ischaemia/Reperfusion. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Dong N, Du P, Hao X, He Z, Hou W, Wang L, Yuan W, Yang J, Jia R, Tai F. Involvement of GABA A receptors in the regulation of social preference and emotional behaviors by oxytocin in the central amygdala of female mandarin voles. Neuropeptides 2017; 66:8-17. [PMID: 28764883 DOI: 10.1016/j.npep.2017.07.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 05/19/2017] [Accepted: 07/24/2017] [Indexed: 12/31/2022]
Abstract
The central nucleus of the amygdala (CeA) is the main output of the amygdala and plays an important role in behavioral and neuroendocrine responses to stress. Receptors for the neuropeptide oxytocin (OT) and GABAA are found in high concentration in the CeA. The mechanisms underlying regulation of CeA OT in emotional and social behavior remain unclear. In this study we evaluated the effects of intra-CeA OT administration of different doses (0.1, 1 and 10ng/side), OT receptor antagonist (OTR-A) (1, 10 and 100ng/side) and OT plus OTR-A on social and emotional behavior using a social preference paradigm, open field test and elevated plus maze test in female monogamous mandarin voles (Microtus mandarinus). We then examined whether different doses of the GABAA receptor antagonist bicuculline (5, 10 and 100ng/side) affected the behavioral changes induced by intra-CeA microinjection of OT (1ng/side). We found that administration of OT to the CeA increased social preference, central area investigation times in the open field test, and visits, transitions and time spent in the open arms in the elevated plus maze test; all responses were dose-dependent. Administration of OT plus OTR-A to the CeA produced no effects. Administration of bicuculline in combination with OT to the CeA decreased social preference, central area investigation times in the open field test, and visits, transitions and time spent in the open arms of the elevated plus maze test. These data suggest that OT in the CeA facilitates sociality and reduces levels of anxiety by interacting with local GABAA receptors.
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Affiliation(s)
- Na Dong
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Peirong Du
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Xin Hao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Limin Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Jinfeng Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China.
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710100, China.
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He Z, Hou W, Hao X, Dong N, Du P, Yuan W, Yang J, Jia R, Tai F. Oxytocin receptor antagonist treatments alter levels of attachment to mothers and central dopamine activity in pre-weaning mandarin vole pups. Psychoneuroendocrinology 2017; 84:124-134. [PMID: 28710956 DOI: 10.1016/j.psyneuen.2017.06.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 06/25/2017] [Accepted: 06/28/2017] [Indexed: 11/15/2022]
Abstract
Oxytocin (OT) is known to be important in mother-infant bonding. Although the relationship between OT and filial attachment behavior has been studied in a few mammalian species, the effects on infant social behavior have received little attention in monogamous species. The present study examined the effects of OT receptor antagonist (OTA) treatment on attachment behavior and central dopamine (DA) activity in male and female pre-weaning mandarin voles (Microtus mandarinus). Our data showed that OTA treatments decreased the attachment behavior of pups to mothers, measured using preference tests at postnatal day 14, 16, 18 and 20. OTA treatments reduced serum OT concentration in pre-weaning pups and decreased tyrosine hydroxylase (TH) levels in the ventral tegmental area (VTA), indicating a decrease in central DA activity. In male and female pups, OTA reduced DA levels, DA 1-type receptor (D1R) and DA 2-type receptor (D2R) protein expression in the nucleus accumbens (NAcc). Our results indicate that OTA treatment inhibits the attachment of pre-weaning pups to mothers. This inhibition is possibly associated with central DA activity and levels of two types of dopamine receptor in the NAcc.
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Affiliation(s)
- Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Xin Hao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Na Dong
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Peirong Du
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Wei Yuan
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Jinfeng Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China
| | - Rui Jia
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China; Cognition Neuroscience and Learning Division, Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi'an, 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China; Cognition Neuroscience and Learning Division, Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi'an, 710062, China.
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Schuster S, Bishop M, Tam C, Waller E, Borchmann P, Mcguirk J, Jäger U, Jaglowski S, Andreadis C, Westin J, Fleury I, Bachanova V, Foley S, Ho P, Mielke S, Holte H, Anak O, Pacaud L, Awasthi R, Tai F, Salles G, Maziarz R. GLOBAL PIVOTAL PHASE 2 TRIAL OF THE CD19-TARGETED THERAPY CTL019 IN ADULT PATIENTS WITH RELAPSED OR REFRACTORY (R/R) DIFFUSE LARGE B-CELL LYMPHOMA (DLBCL)-AN INTERIM ANALYSIS. Hematol Oncol 2017. [DOI: 10.1002/hon.2437_6] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- S.J. Schuster
- Lymphoma Program, Abramson Cancer Center; University of Pennsylvania; Philadelphia USA
| | - M.R. Bishop
- Hematopoietic Cellular Therapy Program; The University of Chicago Medicine; Chicago USA
| | - C. Tam
- Division of Hematology and Oncology; Peter MacCallum Cancer Centre; Melbourne Australia
| | - E.K. Waller
- Department of Hematology and Medical Oncology; Emory University School of Medicine; Atlanta USA
| | - P. Borchmann
- Department of Internal Medicine; University Hospital of Cologne; Cologne Germany
| | - J. Mcguirk
- Department of Blood and Bone Marrow Transplant; The University of Kansas Cancer Center; Kansas City USA
| | - U. Jäger
- Department of Medicine I, Division of Hematology and Hemostaseology; Medical University of Vienna; Vienna Austria
| | - S. Jaglowski
- Department of Internal Medicine; The Ohio State University Wexner Medical Center; Columbus USA
| | - C. Andreadis
- Helen Diller Family Comprehensive Cancer Center; University of California San Francisco Medical Center; San Francisco USA
| | - J. Westin
- Department of Lymphoma/Myeloma; The University of Texas MD Anderson Cancer Center; Houston USA
| | - I. Fleury
- Department of Medicine, University of Montreal; Maisonneuve-Rosemont Hospital CIUSSS East; Montreal Canada
| | - V. Bachanova
- Department of Medicine; University of Minnesota; Minneapolis USA
| | - S.R. Foley
- Department of Medicine; McMaster University; Hamilton Canada
| | - P.J. Ho
- Institute of Haematology; Royal Prince Alfred Hospital & Sydney University; Sydney Australia
| | - S. Mielke
- Medizinische Klinik und Poliklinik II; Universitatsklinikum Würzburg; Würzburg Germany
| | - H. Holte
- Department of Oncology; Oslo University Hospital; Oslo Norway
| | - O. Anak
- Global Drug Development; Novartis Pharma AG; Basel Switzerland
| | - L. Pacaud
- Global Drug Development; Novartis Pharma AG; Basel Switzerland
| | - R. Awasthi
- PK Sciences; Novartis Pharmaceuticals Corporation; East Hanover USA
| | - F. Tai
- Biostatistics; Novartis Pharmaceuticals Corporation; East Hanover USA
| | - G. Salles
- Hospices Civils de Lyon; Université de Lyon; Lyon France
| | - R. Maziarz
- Center for Hematologic Malignancies, Knight Cancer Institute; Oregon Health & Science University; Portland USA
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He Z, Zhang S, Yu C, Li Y, Jia R, Tai F. Emotional attachment of pre-weaning pups to mothers and fathers in mandarin voles. Behav Processes 2017; 135:87-94. [DOI: 10.1016/j.beproc.2016.12.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 12/15/2016] [Accepted: 12/19/2016] [Indexed: 10/20/2022]
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Shen C, Zhu B, Yao T, Li Z, Zhang Y, Yan J, Wang B, Bie X, Tai F. A 30-InDel Assay for Genetic Variation and Population Structure Analysis of Chinese Tujia Group. Sci Rep 2016; 6:36842. [PMID: 27833167 PMCID: PMC5104975 DOI: 10.1038/srep36842] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 10/19/2016] [Indexed: 01/10/2023] Open
Abstract
In the present study, thirty autosomal insertion and deletion polymorphic loci were simultaneously amplified and genotyped in a multiplex system, and their allelic frequencies as well as several forensic parameters were obtained in a sample of 236 unrelated healthy Tujia individuals. All the loci were in Hardy-Weinberg equilibrium after applying a Bonferroni correction and all pair-wise loci showed no significant linkage disequilibrium. These loci were observed to be relatively informative and discriminating, quite efficient for forensic applications. Allelic frequencies of 30 loci were compared between the Tujia group and other reference populations, and the results of analysis of molecular variance indicated the Tujia group showed the least significant differences with the Shanghai Han at one locus, and the most with Central Spanish population at 22 loci. We analyzed the population genetic structure by the principal component analysis, the clustering of STRUCTURE program and a Neighbor-Joining tree, and then evaluated the genetic relationships among Tujia and other 15 populations.
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Affiliation(s)
- Chunmei Shen
- Blood Center of Shaanxi Province, Xi'an, Shaanxi 710061, P. R. China.,Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, P. R. China
| | - Bofeng Zhu
- Department of Forensic Genetics, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, P. R. China.,Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P. R. China.,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P. R. China
| | - Tianhua Yao
- Department of General Dentistry, Stomatological Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P. R. China
| | - Zhidan Li
- Department of Endodontics, Stomatological Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P. R. China
| | - Yudang Zhang
- Institute of Forensic Science of Anhui Public Security Department, Hefei, Anhui 230061, P. R. China
| | - Jiangwei Yan
- Key Laboratory of Genome Sciences, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, P. R. China
| | - Bo Wang
- College of Biological Technology, Xi'an University, Xi'an, Shaanxi 710065, P. R. China
| | - Xiaohua Bie
- Department of Neurosurgery, Hong-hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P. R. China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, P. R. China
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Li Y, Song Z, Ding Y, Xin Y, Wu T, Su T, He R, Tai F, Lian Z. Effects of formaldehyde exposure on anxiety-like and depression-like behavior, cognition, central levels of glucocorticoid receptor and tyrosine hydroxylase in mice. Chemosphere 2016; 144:2004-2012. [PMID: 26551198 DOI: 10.1016/j.chemosphere.2015.10.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 10/21/2015] [Accepted: 10/25/2015] [Indexed: 06/05/2023]
Abstract
Formaldehyde exposure is toxic to the brains of mammals, but the mechanism remains unclear. We investigated the effects of inhaled formaldehyde on anxiety, depression, cognitive capacity and central levels of glucocorticoid receptor and tyrosine hydroxylase in mice. After exposure to 0, 1 or 2 ppm gaseous formaldehyde for one week, we measured anxiety-like behavior using open field and elevated plus-maze tests, depression-like behavior using a forced swimming test, learning and memory using novel object recognition tests, levels of glucocorticoid receptors in the hippocampus and tyrosine hydroxylase in the Arc, MPOA, ZI and VTA using immuhistochemistry. We found that inhalation of 1 ppm formaldehyde reduced levels of anxiety-like behavior. Inhalation of 2 ppm formaldehyde reduced body weight, but increased levels of depression-like behavior, impaired novel object recognition, and lowered the numbers of glucocorticoid receptor immonureactive neurons in the hippocampus and tyrosine hydroxylase immonureactive neurons in the ventral tegmental area and the zona incerta, medial preoptic area. Different concentrations of gaseous formaldehyde result in different effects on anxiety, depression-like behavior and cognition ability which may be associated with alterations in hippocampal glucocorticoid receptors and brain tyrosine hydroxylase levels.
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Affiliation(s)
- Yani Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China; College of Energy and Environmental Engineering, Yan'an University, Yan'an, Shaanxi 716000, China
| | - Zhuoyi Song
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Yujuan Ding
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Ye Xin
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Tong Wu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Tao Su
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China.
| | - Zhenmin Lian
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
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Zhang S, Yu C, Feng T, Wang B, Tai F. The effects of olfactory and sound signals from dams during prior brief isolation on levels of paternal behaviours in mandarin voles. BEHAVIOUR 2016. [DOI: 10.1163/1568539x-00003338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Although effects of paternal deprivation on offspring have been previously studied, the factors initiating and maintaining paternal care are not very clear. Using socially monogamous mandarin voles, we investigated whether cues from dams affect paternal behaviours. The sires were separated from their pups individually or placed with dams immediately prior to paternal behaviour testing. The results showed that sires kept with dams displayed more huddling behaviour and shorter latency of retrieving than sires isolated individually. Sires placed with dams in a closed box also exhibited less huddling behaviour and longer latency of retrieving than sires placed with dams in an open box. In addition, anosmia, deafness or combination of these two treatments all significantly reduced huddling and licking behaviour compared with sham-operated group respectively. These results suggest that communication between sires and dams especially via olfactory and auditory signals plays an important role in strengthening paternal behaviours.
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Affiliation(s)
- Shuwei Zhang
- Institute of Brain and Behavioural Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710062, P.R. China
| | - Chengjun Yu
- Institute of Brain and Behavioural Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710062, P.R. China
- School of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia 750004, P.R. China
| | - Tuo Feng
- Institute of Brain and Behavioural Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710062, P.R. China
- Shaanxi Institute of Zoology, Xi’an, Shaanxi, 710032, P.R. China
| | - Bo Wang
- Institute of Brain and Behavioural Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710062, P.R. China
- College of Biological Technology, Xi’an University, Xi’an, Shaanxi 710065, P.R. China
| | - Fadao Tai
- Institute of Brain and Behavioural Sciences, College of Life Sciences, Shaanxi Normal University, Xi’an, Shaanxi 710062, P.R. China
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Tai F, Li JW, Sun J, Zheng MH, Wink J, Basta M, Fischer J, Kovach S, Tall J, Håkanson BS, Pålstedt J, Thorell A, Huntington C, Cox T, Blair L, Lincourt A, Prasad T, Kercher K, Heniford BT, Augenstein V, Strömberg H, Hellman P, Sandblom G, Gunnarsson U, Hope W, Bringman S, Chudy M, Romanowski C, Jones P, Jacombs A, Roussos E, Read J, Dardano A, Boesel T, Edye M, Ibrahim N, Lyo V, Tufaga M, Shin UK, Primus F, Harris H, Iesalnieks I, Di Cerbo F, Baladov M, Ikhlawi K, Azoury S, Rodriguez-Unda N, Soares K, Hicks C, Baltodano P, Poruk K, Hu L, Cooney C, Cornell P, Burce K, Eckhauser F, Garvey E, Zuhlke T, Jaroszewski D, Egan J, Jamshidi R, Graziano K, McMahon L, Rodriquez-Unda N, Fattori L, Leva A, Coppola S, Gianotti L, Baccay F, Alemayehu H, Singh J, Lo I, Amin A, Harrington A, Benvenuti H, Cho D, George F, Cate S. Abdominal Wall Miscellaneous. Hernia 2015; 19 Suppl 1:S5-S12. [PMID: 26518860 DOI: 10.1007/bf03355319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- F Tai
- Department of Surgery, Cathay General Hospital, Taipei, Taiwan
| | - J W Li
- Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | | | | | - J Wink
- Division of Plastic Surgery, University of Pennsylvania, Philadelphia, USA
| | - M Basta
- Division of Plastic Surgery, University of Pennsylvania, Philadelphia, USA
| | - J Fischer
- Division of Plastic Surgery, University of Pennsylvania, Philadelphia, USA
| | - S Kovach
- Division of Plastic Surgery, University of Pennsylvania, Philadelphia, USA
| | - J Tall
- Department of Clinical Science, Danderyds Hospital & Department of Surgery, Ersta Hospital, Karolinska Institutet, Stockholm, Sweden.,Department of Surgery, Norrtälje Hospital, Stockholm, Sweden
| | - B S Håkanson
- Department of Clinical Science, Danderyds Hospital & Department of Surgery, Ersta Hospital, Karolinska Institutet, Stockholm, Sweden
| | - J Pålstedt
- Department of Clinical Science, Danderyds Hospital & Department of Surgery, Ersta Hospital, Karolinska Institutet, Stockholm, Sweden
| | - A Thorell
- Department of Clinical Science, Danderyds Hospital & Department of Surgery, Ersta Hospital, Karolinska Institutet, Stockholm, Sweden
| | - C Huntington
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | - T Cox
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | - L Blair
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | - A Lincourt
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | - T Prasad
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | - K Kercher
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | - B T Heniford
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | - V Augenstein
- Department of GI and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, USA
| | | | | | - G Sandblom
- Karolinska Institutet, Stockholm, Sweden
| | | | - W Hope
- Dept of Surgery, New Hanover Regional Medical Center, Wilmington, USA
| | - S Bringman
- Södertälje Hospital, Dept of Surgery, Karolinska Institutet, Södertälje, Sweden
| | - M Chudy
- Dept of Surgery, Ayr Hospital, Ayr, UK
| | - C Romanowski
- Clinical Development, ETHICON, Johnson & Johnson Global Surgery Group, Somerville, USA
| | - P Jones
- Clinical Development, ETHICON, Johnson & Johnson Global Surgery Group, Livingston, UK
| | - A Jacombs
- Australian School of Advanced Medicine, Macquarie University, Sydney, Australia
| | - E Roussos
- Macquarie University Hospital, Sydney, Australia
| | - J Read
- Castlereagh Imaging, Sydney, Australia
| | - A Dardano
- Boca Raton Regional Hospital, Florida, USA
| | - T Boesel
- Macquarie University Hospital, Sydney, Australia.,Univeristy of Western Sydney, Sydney, Australia
| | - M Edye
- Macquarie University Hospital, Sydney, Australia
| | - N Ibrahim
- Macquarie University Hospital, Sydney, Australia
| | - V Lyo
- Division of General Surgery, University of California San Francisco, San Francisco, USA
| | - M Tufaga
- Division of General Surgery, University of California San Francisco, San Francisco, USA
| | - U K Shin
- Division of General Surgery, University of California San Francisco, San Francisco, USA
| | - F Primus
- Division of General Surgery, University of California San Francisco, San Francisco, USA
| | - H Harris
- Division of General Surgery, University of California San Francisco, San Francisco, USA
| | | | | | - M Baladov
- Marienhospital Gelsenkirchen, Gelsenkirchen, Germany
| | - K Ikhlawi
- Marienhospital Gelsenkirchen, Gelsenkirchen, Germany
| | - S Azoury
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA
| | - N Rodriguez-Unda
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicin, Baltimore, USA
| | - K Soares
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA.,School of Medicine, Johns Hopkins University, Baltimore, USA
| | - C Hicks
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA.,School of Medicine, Johns Hopkins University, Baltimore, USA
| | - P Baltodano
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA.,School of Medicine, Johns Hopkins University, Baltimore, USA
| | - K Poruk
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA
| | - L Hu
- School of Medicine, Johns Hopkins University, Baltimore, USA
| | - C Cooney
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicin, Baltimore, USA.,School of Medicine, Johns Hopkins University, Baltimore, USA
| | - P Cornell
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA.,School of Medicine, Johns Hopkins University, Baltimore, USA
| | - K Burce
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA.,Department of Plastic and Reconstructive Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicin, Baltimore, USA.,School of Medicine, Johns Hopkins University, Baltimore, USA
| | - F Eckhauser
- Department of Surgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, USA.,School of Medicine, Johns Hopkins University, Baltimore, USA
| | | | | | | | - J Egan
- Phoenix Children's Hospital, Phoenix, USA
| | - R Jamshidi
- Phoenix Children's Hospital, Phoenix, USA
| | - K Graziano
- Phoenix Children's Hospital, Phoenix, USA
| | - L McMahon
- Phoenix Children's Hospital, Phoenix, USA
| | | | - L Fattori
- Department of Surgery, AO San Gerardo, Monza, Italy
| | | | | | | | - F Baccay
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - H Alemayehu
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - J Singh
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - I Lo
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - A Amin
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - A Harrington
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - H Benvenuti
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - D Cho
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - F George
- Department of General Surgery, New York Medical College, Valhalla, USA
| | - S Cate
- Department of General Surgery, New York Medical College, Valhalla, USA
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Yu P, Zhang H, Li X, He F, Tai F. Early bi-parental separation or neonatal paternal deprivation in mandarin voles reduces adult offspring paternal behavior and alters serum corticosterone levels and neurochemistry. Horm Behav 2015; 73:8-14. [PMID: 26012712 DOI: 10.1016/j.yhbeh.2015.05.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 04/17/2015] [Accepted: 05/16/2015] [Indexed: 11/16/2022]
Abstract
Although the effect of early social environments on maternal care in adulthood has been examined in detail, few studies have addressed the long-term effect on paternal care and its underlying neuroendocrine mechanisms. Here, using monogamous mandarin voles (Microtus mandarinus) that show high levels of paternal care, the effects of early bi-parental separation (EBPS) or neonatal paternal deprivation (NPD) on adult paternal behavior, serum corticosterone levels, and receptor mRNA expression in the nucleus accumbens (NAcc) and medial preoptic area (MPOA) were investigated. Compared to the parental care group (PC), we found that EBPS reduced crouching behavior and increased inactivity, self-grooming, and serum corticosterone levels in adult offspring; and NPD significantly reduced retrieval behavior and increased self-grooming behavior of offspring at adulthood. EBPS displayed more dopamine type I receptor (D1R) mRNA expression in the NAcc, but less oxytocin receptor (OTR) mRNA expression than PC in the MPOA. Both EBPS and NPD exhibited more mRNA expression of estrogen receptor alpha (ERα) than PC in the MPOA. In the EBPS group, increased serum corticosterone concentration was closely associated with reduced crouching behavior, and reduced expression of OTR was closely associated with altered crouching behavior and increased D1R expression. Our results provide substantial evidence that EBPS or NPD has long-term consequences and reduces paternal behavior in adult animals. Importantly the oxytocin system in the MPOA might interact with NAcc dopamine systems to regulate paternal behavior and EBPS may affect interactions between the MPOA and NAcc.
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Affiliation(s)
- Peng Yu
- Institute of Behavioral and Physical Sciences, College of Life Sciences, Northwest Normal University, Lanzhou 730070, Gansu, China; Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, Shaanxi, China
| | - Hui Zhang
- Institute of Behavioral and Physical Sciences, College of Life Sciences, Northwest Normal University, Lanzhou 730070, Gansu, China
| | - Xibo Li
- Institute of Behavioral and Physical Sciences, College of Life Sciences, Northwest Normal University, Lanzhou 730070, Gansu, China
| | - Fengqin He
- Institute of Brain and Behavioral Sciences, College of Biotechnology, Xi'an University of Arts and Science, Xi'an 710065, Shaanxi, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, Shaanxi, China.
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Li Y, Lian Z, Wang B, Tai F, Wu R, Hao P, Qiao X. Natural variation in paternal behavior is associated with central estrogen receptor alpha and oxytocin levels. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2015; 201:285-93. [DOI: 10.1007/s00359-015-0979-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 12/07/2014] [Accepted: 01/09/2015] [Indexed: 01/10/2023]
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43
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Kong L, Wu R, Wang L, Feng W, Cao Y, Tai F. Postpartum repeated separation from pups affects the behavior and neuroendocrine parameters of mandarin vole fathers. Physiol Behav 2015; 139:89-96. [DOI: 10.1016/j.physbeh.2014.11.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 11/04/2014] [Accepted: 11/05/2014] [Indexed: 12/18/2022]
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Wang B, Li Y, Wu R, Zhang S, Tai F. Behavioral responses to pups in males with different reproductive experiences are associated with changes in central OT, TH and OTR, D1R, D2R mRNA expression in mandarin voles. Horm Behav 2015; 67:73-82. [PMID: 25496756 DOI: 10.1016/j.yhbeh.2014.11.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2014] [Revised: 11/10/2014] [Accepted: 11/20/2014] [Indexed: 01/10/2023]
Abstract
Male rodents behave differently toward pups because of different sexual and/or paternal experiences; however, the mechanisms underlying these responses are not well understood. Using socially monogamous mandarin voles (Microtus mandarinus) we investigated the behavioral responses of males with different reproductive experiences (virgin males, paired males and new fathers) to new born pups. Central levels of neuropeptide oxytocin (OT), tyrosine hydroxylase (TH), as well as oxytocin receptor (OTR), dopamine 1-type receptor (D1R) and dopamine 2-type receptor (D2R) mRNA expression in the nucleus accumbens and medial amygdala were also measured in these males. Our data showed that new fathers exhibited more approaching behavior and contained more OT-immunoreactive and TH-immunoreactive neurons. In addition to increased OTR mRNA expression in the nucleus accumbens and medial amygdala, new fathers had higher D1R and D2R mRNA expression in the nucleus accumbens, and less D1R and D2R mRNA expression in the medial amygdala than paired males. These results demonstrate that males with different reproductive experiences display different behavioral responses to pups and that these differences are associated with altered OT and dopamine, and their receptors in specific brain regions.
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Affiliation(s)
- Bo Wang
- College of Life Sciences, Shaanxi Normal University, Xi(')an 710062, Shaanxi China; College of Biological Technology, Xi'an University, Xi'an 710065, Shaanxi China
| | - Yani Li
- College of Life Sciences, Shaanxi Normal University, Xi(')an 710062, Shaanxi China; College of Energy and Environmental Engineering, Yan'an University, Yan'an 716000, Shaanxi China
| | - Ruiyong Wu
- College of Life Sciences, Shaanxi Normal University, Xi(')an 710062, Shaanxi China
| | - Shuwei Zhang
- College of Life Sciences, Shaanxi Normal University, Xi(')an 710062, Shaanxi China
| | - Fadao Tai
- College of Life Sciences, Shaanxi Normal University, Xi(')an 710062, Shaanxi China.
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Qiao X, Yan Y, Tai F, Wu R, Hao P, Fang Q, Zhang S. Levels of central oxytocin and glucocorticoid receptor and serum adrenocorticotropic hormone and corticosterone in mandarin voles with different levels of sociability. Behav Brain Res 2014; 274:226-34. [DOI: 10.1016/j.bbr.2014.08.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Revised: 08/05/2014] [Accepted: 08/09/2014] [Indexed: 12/30/2022]
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46
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Wang J, Tai F, Lai X. Cocaine withdrawal influences paternal behavior and associated central expression of vasopressin, oxytocin and tyrosine hydroxylase in mandarin voles. Neuropeptides 2014; 48:29-35. [PMID: 24238615 DOI: 10.1016/j.npep.2013.10.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Revised: 10/02/2013] [Accepted: 10/20/2013] [Indexed: 11/24/2022]
Abstract
Although the disruptive effects of cocaine on the maternal care are well known, little is known about paternal care in the context of cocaine abuse. Vasopressin (AVP), oxytocin (OT) and dopamine (DA) have been found to regulate paternal behavior and are also involved in cocaine abuse. Mandarin voles (Microtus mandarinus) are socially monogamous and display high levels of paternal care. Here, we investigated whether paternal behavior and associated central levels of AVP, OT and DA were altered following 24 h of withdrawal from 4 day administration of 20 mg/kg/day cocaine. Our data shows that vole fathers did not experience altered levels of locomotion during an open field test. However, compared to controls, cocaine attenuated licking/grooming and contact behavior and shortened the latency to crouching, contact and pup retrieval. Last, fewer AVP and OT immunoreactive neurons in the paraventricular nucleus and more tyrosine hydroxylase immunoreactive neurons in the ventral tegmental area were observed in cocaine-treated fathers. These results indicate that cocaine withdrawal disturbs the expression of partial paternal behavior by altering central levels of AVP, OT and DA.
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Affiliation(s)
- Jianli Wang
- College of Biology Sciences and Engineering, Beifang University of Nationalities, Yinchuan, Ningxia 750021, China.
| | - Fadao Tai
- College of Life Sciences, Shaanxi Normal University, Xian, Shaanxi 710062, China
| | - Xiangjun Lai
- College of Biology Sciences and Engineering, Beifang University of Nationalities, Yinchuan, Ningxia 750021, China; College of Life Sciences, Shaanxi Normal University, Xian, Shaanxi 710062, China
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Wang L, Zhang W, Wu R, Kong L, Feng W, Cao Y, Tai F, Zhang X. Neuroendocrine responses to social isolation and paternal deprivation at different postnatal ages in Mandarin voles. Dev Psychobiol 2014; 56:1214-28. [PMID: 24464494 DOI: 10.1002/dev.21202] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Accepted: 01/02/2014] [Indexed: 02/05/2023]
Abstract
Neonatal isolation and paternal deprivation have long lasting effects on the behavior and neuroendocrine system at adulthood. Whether these effects at adulthood are induced by neonatal changes in relevant neuroendocrine parameters lead by these early-life social experiences is not well understood. Whether monogamous rodents exhibit a stress hypo-responsive period (SHRP) also remains unclear. Using the monogamous mandarin vole, we found that 30 min of isolation did not affect levels of corticosterone (CORT) and adrenocorticotropin (ACTH) at postnatal days 8, 10, and 12 displaying a SHRP, but increased these at postnatal days 4, 14, 16, and 18. Isolation increased vasopressin (AVP)-ir neurons in the paraventricular nucleus (PVN) and supraoptic nucleus (SON) from postnatal days 4 to 12, and up-regulated oxytocin (OT)-ir neurons in the PVN at postnatal days 4 and 8 and SON at postnatal day 4. Paternally deprived pups showed increase in ACTH and CORT after 30 min of social isolation from postnatal days 8 to 14, increase in AVP-ir neurons in the PVN from postnatal days 10 to 14, reduction in OT-ir neurons in the PVN from postnatal days 10 to 14 and in the SON at postnatal days 12 and 14. These results indicate that monogamous mandarin voles display a short SHRP which can be disrupted by paternal deprivation. Central AVP and OT levels may also be altered by paternal deprivation and social isolation. We propose that changes in these neuroendocrine parameters induced by early-life social experiences such as those tested here persist and result.
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Affiliation(s)
- Lu Wang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, Shaanxi, China; Key laboratory of Modern Teaching Technology, Ministry of Education, Xi'an, 710062, Shaanxi, China
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Cao Y, Wu R, Tai F, Zhang X, Yu P, An X, Qiao X, Hao P. Neonatal paternal deprivation impairs social recognition and alters levels of oxytocin and estrogen receptor α mRNA expression in the MeA and NAcc, and serum oxytocin in mandarin voles. Horm Behav 2014; 65:57-65. [PMID: 24291055 DOI: 10.1016/j.yhbeh.2013.11.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 11/17/2013] [Accepted: 11/19/2013] [Indexed: 01/20/2023]
Abstract
Paternal care is necessary for the healthy development of social behavior in monogamous rodents and social recognition underpins social behavior in these animals. The effects of paternal care on the development of social recognition and underlying neuroendocrine mechanisms, especially the involvement of oxytocin and estrogen pathways, remain poorly understood. We investigated the effects of paternal deprivation (PD: father was removed from neonatal pups and mother alone raised the offspring) on social recognition in mandarin voles (Microtus mandarinus), a socially monogamous rodent. Paternal deprivation was found to inhibit the development of social recognition in female and male offspring according to a habituation-dishabituation paradigm. Paternal deprivation resulted in increased inactivity and reduced investigation during new encounters with other animals. Paternal deprivation reduced oxytocin receptor (OTR) and estrogen receptor α (ERα) mRNA expression in the medial amygdala and nucleus accumbens. Paternal deprivation reduced serum oxytocin (OT) concentration in females, but had no effect on males. Our results provide substantial evidence that paternal deprivation inhibits the development of social recognition in female and male mandarin voles and alters social behavior later in life. This is possibly the result of altered expression of central OTR and ERα and serum OT levels caused by paternal deprivation.
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Affiliation(s)
- Yan Cao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Ruiyong Wu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China.
| | - Xia Zhang
- University of Ottawa, Institute of Mental Health Research, Ottawa, Ontario K1Z 7K4, Canada
| | - Peng Yu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Xiaolei An
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Xufeng Qiao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Ping Hao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
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49
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Wu R, Song Z, Wang S, Shui L, Tai F, Qiao X, He F. Early paternal deprivation alters levels of hippocampal brain-derived neurotrophic factor and glucocorticoid receptor and serum corticosterone and adrenocorticotropin in a sex-specific way in socially monogamous mandarin voles. Neuroendocrinology 2014; 100:119-28. [PMID: 25116057 DOI: 10.1159/000366441] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Accepted: 07/31/2014] [Indexed: 11/19/2022]
Abstract
In monogamous mammals, fathers play an important role in the development of the brain and typical behavior in offspring, but the exact nature of this process is not well understood. In particular, little research has addressed whether the presence or absence of paternal care alters levels of hippocampal glucocorticoid receptor (GR) and brain-derived neurotrophic factor (BDNF), and basal levels of serum corticosterone (CORT) and adrenocorticotropin (ACTH). Here, we explored this concept using socially monogamous mandarin voles (Microtus mandarinus), a species in which fathers display high levels of paternal care toward their pups. Our immunohistochemical study shows that paternal deprivation (PD) significantly decreased levels of GR and BDNF protein in the CA1 and CA2/3 of the hippocampus. In the dental gyrus, decreases in GR and BDNF induced by PD were evident in females but not in males. Additionally, enzyme-linked immunosorbent assay results show that PD significantly upregulated levels of serum CORT and ACTH in females, but not males. These findings demonstrate that PD alters HPA axis activity in a sex-specific way. The changes in stress hormones documented here may be associated with alteration in hippocampal BDNF and GR levels.
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Affiliation(s)
- Ruiyong Wu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
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50
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Yu P, An S, Tai F, Wang J, Wu R, Wang B. Early social deprivation impairs pair bonding and alters serum corticosterone and the NAcc dopamine system in mandarin voles. Psychoneuroendocrinology 2013; 38:3128-38. [PMID: 24103891 DOI: 10.1016/j.psyneuen.2013.09.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 09/02/2013] [Accepted: 09/12/2013] [Indexed: 11/27/2022]
Abstract
Early life stress has a long-term negative impact on emotion, learning, memory and adult sexual behavior, and these deficits most likely impair pair bonding. Here, we investigated whether early social deprivation (ED) affects the formation of pair bonds in socially monogamous mandarin voles (Microtus mandarinus). In a partner preference test (PPT), ED-reared adult females and males did not show a preference for their partner, spent more time exploring the cage of an unfamiliar animal and directed high levels of aggression toward unfamiliar animals. In social interaction test, ED increased exploring behavior only in females, but increased movement around the partner and reduced inactivity in both males and females. Three days of cohabitation did not alter serum corticosterone levels in ED-reared males, but increased corticosterone levels in males that received bi-parental care (PC). Interestingly, serum corticosterone levels in ED- and PC-reared females declined after cohabitation. ED significantly increased basal serum corticosterone levels in males, but had no effect on females. ED significantly up-regulated the levels of dopamine and the mRNA expression of dopamine 1-type receptor (D1R) in the nucleus accumbens (NAcc) in females and males. ED suppressed dopamine 2-type receptor mRNA (D2R) expression in females, but increased this in males. After three days of cohabitation, levels of D1R mRNA and D2R mRNA expression changed in opposite directions in PC-reared voles, but in the same direction in ED-reared males, and only the expression of D2R mRNA increased in ED-reared females. Our results indicate that early social deprivation inhibits pair bonding at adulthood. This inhibition is possibly associated with sex-specific alterations in serum corticosterone, levels of dopamine and mRNA expression of two types of dopamine receptors in the NAcc.
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Affiliation(s)
- Peng Yu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
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