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Hull MA, Nunamaker EA, Reynolds PS. Effects of Refined Handling on Reproductive Indices of BALB/cJ and CD-1 IGS Mice. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2024; 63:3-9. [PMID: 38154807 PMCID: PMC10844741 DOI: 10.30802/aalas-jaalas-23-000028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/13/2023] [Accepted: 11/06/2023] [Indexed: 12/30/2023]
Abstract
Current mouse handling methods during cage change procedures can cause stress and potentially compromise animal welfare. Our previous study of breeding C57BL/6J mice found modest increases in pup production and a significant reduction in preweaning litter losses when mice were handled using a tunnel as compared with a tail-lift with padded forceps. The current study evaluated how these 2 handling methods affected reproduction by 2 additional mouse strains, BALB/cJ (a low- to intermediate-fecundity strain) and CD-1 IGS (a high-fecundity stock). We predicted that refined handling would have minimal effects on the high-fecundity line with a satisfactory production rate and greater effects on the low-fecundity line. Handling method (tunnel compared with tail-lift) was randomly assigned to monogamous breeding pairs of mice. Reproductive metrics (litter size at birth and weaning, numbers of litters, litter attrition, between-litter intervals, pup wean- ing weight, and sex ratio) were prospectively monitored for 80 BALB/cJ and 77 CD-1 pairs that were bred continuously for 6 mo. Both strains of mice were highly productive, exceeding previously published breeding data. However, neither strain demonstrated operational or statistically significant differences between handling methods for any reproduction metric. As we detected no negative effects in these 2 strains and the benefits are clear in other strains, refined handling should be considered for all breeding mice.
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Affiliation(s)
- Margaret A Hull
- Animal Care Services, University of Florida, Gainesville, Florida
| | - Elizabeth A Nunamaker
- Global Animal Welfare and Training, Charles River Laboratories, Wilmington, Massachusetts; and
| | - Penny S Reynolds
- Statistics in Anesthesiology Research Core, Department of Anesthesiology, College of Medicine, Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida
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He Q, Zheng Q, Liu Y, Miao Y, Zhang Y, Xu T, Bai S, Zhao X, Yang X, Xu Z. High-Salt Diet Causes Defective Oocyte Maturation and Embryonic Development to Impair Female Fertility in Mice. Mol Nutr Food Res 2023; 67:e2300401. [PMID: 37863820 DOI: 10.1002/mnfr.202300401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 09/05/2023] [Indexed: 10/22/2023]
Abstract
SCOPE High salinity has been reported to induce many human disorders in tissues and organs to interfere with their normal physiological functions. However, it is unknown how salinity affects the development of female germ cells. This study suggests that a high-salt diet (HSD) may weaken oocyte quality to impair female fertility in mice and investigates the underlying mechanisms. METHODS AND RESULTS C57BL/6 female mice are fed with a regular diet (Control) or a high-salt diet (HSD). Oocyte maturation, fertilization rate, embryonic development, and female fertility are evaluated. In addition, the spindle organization, actin polymerization, and kinetochore-microtubule attachment of oocytes are examined in both groups. Moreover, single-cell transcriptome data are used to demonstrate how HSD alters the transcript levels of genes. The observations confirm that HSD leads to female subfertility due to the deterioration of oocyte and embryo quality. The mechanism underlying reveals HSD compromises the oocytes' autophagy, apoptosis level, and mitochondrial function. CONCLUSION The work illustrates that a high concentration of salt diet results in oocyte meiotic arrest, fertilization failure, and early developmental defection that embryos undergo to reduce female fertility in mice by perturbing the level of autophagy and apoptosis, mitochondrial function in oocytes.
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Affiliation(s)
- Qinyuan He
- Institute for Fetology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
- Department of Obstetrics and Gynecology, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210003, China
| | - Qiutong Zheng
- Institute for Fetology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
- Maternal and Child Health Care Hospital of Wuxi, Wuxi, Jiangsu, 214002, China
| | - Yanping Liu
- Center of Reproduction and Genetics, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, Jiangsu, 215006, China
| | - Yilong Miao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Yumeng Zhang
- Institute for Fetology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Ting Xu
- Institute for Fetology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Shufen Bai
- Department of Obstetrics and Gynecology, Nanjing Pukou District Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, 210000, China
| | - Xia Zhao
- Department of Reproductive Medicine, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu, 210009, China
| | - Xiaojun Yang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Zhice Xu
- Institute for Fetology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
- Maternal and Child Health Care Hospital of Wuxi, Wuxi, Jiangsu, 214002, China
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Levinson AL, Igonina TN, Rozhkova IN, Brusentsev EY, Amstislavsky SY. Psycho-emotional stress, folliculogenesis, and reproductive technologies: clinical and experimental data. Vavilovskii Zhurnal Genet Selektsii 2022; 26:431-441. [PMID: 36128573 PMCID: PMC9450030 DOI: 10.18699/vjgb-22-53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/21/2022] [Accepted: 03/31/2022] [Indexed: 11/19/2022] Open
Abstract
Modern life, especially in large cities, exposes people to a high level of noise, high density of population, disrupted sleeping, large amount of excessive and controversial information as well as to other negative factors; all this may cause chronic psycho-emotional stress. The latest publications often use the term “Syndrome of megalopolis”, which means disruption of sleeping, high anxiety, and altered reproductive function. Medical treatment of infertility may also be considered as a stress factor, especially when infertility lasts for years and is aggravated with emotional frustration. Long-lasting distress may worsen health in general and suppress reproductive function, in particular. The review presents the data on the effects of maternal stress on folliculogenesis, especially when assisted reproductive technologies (ARTs) are used. Clinical data are presented alongside data from laboratory animal experiments. Different maternal stress models are taken into account in respect of their inf luence on oocyte maturation and embryo development. The interfering of psycho-emotional stress and reproductive function is the focus of the review. In these situations, exogenous hormones compensate for the stress-related disruption of the hypothalamic-pituitary-gonadal axis. When ARTs are implemented, stress-induced disruption of oogenesis is realized not via a decrease in hypothalamic and pituitary hormones, but by other ways, which involve paracrine mechanisms described in this review. Based on the literature analysis, one may conclude that stress negatively affects oocyte maturation in the ovary and suppresses subsequent embryo development. The role of some ovarian paracrine factors, such as BDNF, GDF-9, HB-EGF, TNF-α, and some others has been elucidated
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Affiliation(s)
- A. L. Levinson
- Novosibirsk Center of Reproductive Medicine; Novosibirsk State University
| | - T. N. Igonina
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
| | - I. N. Rozhkova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
| | - E. Yu. Brusentsev
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
| | - S. Ya. Amstislavsky
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences; Novosibirsk State University
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Zhu H, Shi L, Wang R, Cui L, Wang J, Tang M, Qian H, Wei M, Wang L, Zhou H, Xu W. Global Research Trends on Infertility and Psychology From the Past Two Decades: A Bibliometric and Visualized Study. Front Endocrinol (Lausanne) 2022; 13:889845. [PMID: 35903282 PMCID: PMC9317298 DOI: 10.3389/fendo.2022.889845] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Objectives The aim of this study was to evaluate the global scientific output of research on infertility and psychology; explore the current status and trends in this field through the cooperation of authors, countries, and institutions; shed light on the direction of clinical infertility research in the future, and provide inspiration for targeted diagnosis and treatment of infertility. Methods Research publications on infertility and psychology from the past two decades were retrieved from the Web of Science Core Collection (WoSCC). Bibliometric analyses were performed using VOSviewer software and the bibliometrix R package. Network maps were generated to evaluate the collaborations between different authors, countries, institutions, and keywords. Results A total of 151 articles related to the study of infertility and psychology were identified. We observed a gradual increase in the number of publications from 2001 to 2021, and the trend has been relatively stable in the past eight years. Human Reproduction (England), as the leading journal publishing the most papers (29 articles), was cited in the most journals (1208 times). Boivin J was the most prolific author (16 articles), with the largest number of citations (890 times) and the highest h-index (14) during the past decades. Boivin J was also the leader with the highest publication frequency and more active cooperation with other top authors. The United Kingdom (34 papers) and Cardiff University (25 articles) contributed the most publications and were the leading contributors in this field. Active cooperation between countries and between institutions was observed, and analyses of articles and references were also shown. The main hot topics included matters related to women (39 times), in-vitro salt (31 times), infertility (30 times), couples (25 times), and impact (24 times). Conclusion Our study results provide a comprehensive overview of the development of scientific literature, allowing relevant authors and research teams to recognize the current research status in this field. At the same time, infertility and psychology may soon become hotspots and should be closely monitored.
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Affiliation(s)
- Hongkun Zhu
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Lingli Shi
- Department of Reproduction, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Rong Wang
- Department of Laboratory Medicine, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Lijuan Cui
- Department of Pathology, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Jiahui Wang
- Department of Reproduction, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Mengyu Tang
- Department of Reproduction, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Haiqing Qian
- Department of Reproduction, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Minggang Wei
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Lihong Wang
- Department of Reproduction, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Huifang Zhou
- Department of Gynaecology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Wenting Xu
- Nanjing University of Chinese Medicine, Nanjing, China
- Department of Reproduction, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
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Hull MA, Reynolds PS, Nunamaker EA. Effects of non-aversive versus tail-lift handling on breeding productivity in a C57BL/6J mouse colony. PLoS One 2022; 17:e0263192. [PMID: 35089969 PMCID: PMC8797240 DOI: 10.1371/journal.pone.0263192] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 01/13/2022] [Indexed: 11/18/2022] Open
Abstract
Non-aversive handling is a well-documented refinement measure for improving rodent welfare. Because maternal stress is related to reduced productivity, we hypothesized that welfare benefits associated with non-aversive handling would translate to higher production and fewer litters lost in a laboratory mouse breeding colony. We performed a randomized controlled trial to examine the effects of a standard method of handling (tail-lift with forceps) versus non-aversive handling with transfer tunnels ('tunnel-handled') on breeding performance in 59 C57BL/6J mouse pairs. Intervention assignments could not be concealed from technicians, but were concealed from assessors and data analyst. An operationally significant effect of tunnel-handling (large enough differences to warrant programmatic change) was defined before study initiation as a 5% increase in productivity, or one extra pup over the reproductive lifetime of each pair. Pairs were randomly allocated to handling intervention and cage rack location, and monitored over an entire 6-month breeding cycle. For each group, we measured number of pups born and weaned, and number of entire litters lost prior to weaning. Differences between transfer methods were estimated by two-level hierarchical mixed models adjusted for parental effects and parity. Compared to tail-lift mice, tunnel-handled mice averaged one extra pup per pair born (+1.0; 95% CI 0.9, 1.1; P = 0.41) and weaned (+1.1, 95% CI 0.9, 1.2; P = 0.33). More tunnel-handled pairs successfully weaned all litters produced (13/29 pairs, 45% vs 4/30 pairs, 13%; P = 0.015), averaged fewer litter losses prior to weaning (11/29 pairs [38%] vs 26/30 pairs [87%]; P <0.001), and had a 20% lower risk of recurrent litter loss. The increase in numbers of pups produced and weaned with tunnel handling met threshold requirement for operational significance. These data and projected cost savings persuaded management to incorporate tunnel handling as standard of care across the institution. These data also suggest that overlooked husbandry practices such as cage transfer may be major confounders in studies of mouse models.
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Affiliation(s)
- Margaret A. Hull
- Animal Care Services, University of Florida, Gainesville, Florida, United States of America
| | - Penny S. Reynolds
- Department of Anesthesiology; Statistics in Anesthesiology Research (STAR) Core, College of Medicine, University of Florida, Gainesville, Florida, United States of America
| | - Elizabeth A. Nunamaker
- Animal Care Services, University of Florida, Gainesville, Florida, United States of America
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Asghari Z, Zavareh S, Lashkarbolouki T, Elahdadi M, Mehdizadeh B. Neonatal Maternal Separation Alters Gelatinase Activity in Mouse Ovarian Preantral Follicles. CELL JOURNAL 2021; 23:750-755. [PMID: 34979064 PMCID: PMC8753102 DOI: 10.22074/cellj.2021.7337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 04/15/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVE The early life environment is critical for normal growth and development for future reproductive function. This study aims to investigate the effect of neonatal maternal separation (MS) on gelatinase activity of mouse ovarian follicles. MATERIALS AND METHODS In this experimental study, infants from female NMRI mice were randomly allocated into two groups immediately after birth: i. MS isolated from their mothers for 6 hours per day, from postpartum days 2 to 16) and ii. Control (undisturbed during the 16 days). Ovarian tissues were dissected to perform differential counts of the ovarian follicle type by haematoxylin and eosin staining. The isolated follicles were cultured for 12 days. Gelatinase activity and the gene expressions of matrix metalloproteinases, MMP2 and MMP9, and their tissue inhibitors, TIMP1 and TIMP2, were evaluated by zymography and real-time polymerase chain reaction (PCR), respectively. RESULTS Follicle counts at the different developmental stages were significantly different between the control and MS groups. There was a significant decrease in gelatinase activity in the MS group compared to the control group. The MS group showed significantly decreased gene expression levels of MMP2 and MMP9 compared to the control group. In contrast, the gene expression levels of TIMP1 and TIMP2 significantly increased in the MS group compared to the control group. CONCLUSION MS is a stressor agent that compromises ovarian follicle development, at least via disruption of gelatinase activity and its related gene expressions.
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Affiliation(s)
| | - Saeed Zavareh
- School of Biology, Damghan University, Damghan, Iran,Institute of Biological Sciences, Damghan University, Damghan, Iran,P.O.Box: 36716-41167School of BiologyDamghan UniversityDamghanIran
| | - Taghi Lashkarbolouki
- School of Biology, Damghan University, Damghan, Iran,Institute of Biological Sciences, Damghan University, Damghan, Iran
| | - Mahmoud Elahdadi
- School of Biology, Damghan University, Damghan, Iran,Institute of Biological Sciences, Damghan University, Damghan, Iran
| | - Behnoush Mehdizadeh
- Department of Pathology, Mashhad University of Medical Sciences, Mashhad, Iran
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Tsuji A, Ikeda Y, Murakami M, Kitagishi Y, Matsuda S. d-Leucine protects oocytes from chronic psychological stress in mice. Reprod Med Biol 2021; 20:477-484. [PMID: 34646076 PMCID: PMC8499591 DOI: 10.1002/rmb2.12396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 05/17/2021] [Accepted: 05/30/2021] [Indexed: 11/11/2022] Open
Abstract
PURPOSE Psychological stress could negatively influence female reproductive ability. d-Leucine (d-Leu) is a d-type amino acid found in foods and mammalian tissues. We have examined the protective effects of d-Leu on oocyte abnormality induced by psychological stress. METHODS Female mice (6-week-old) were divided into three groups: control, restraint stress (RS), and RS/d-Leu. The RS and RS/d-Leu mice were holed for 3 hours daily during 14 days. RS/d-Leu mice were fed 0.3% d-Leu diet. The oocyte maturation failure was analyzed by shapes of spindles and chromosomes. In addition, levels of heme-oxygenase-1 (HO-1) and superoxide dismutase (SOD) expression in the ovaries were also examined. Whether d-Leu reduces the generation of reactive oxygen species (ROS) in cultured cells, K562 cells were treated with d-Leu, and then ROS in K562 were analyzed. RESULTS Oocyte maturation failure was increased in RS mice. d-Leu reduced abnormal oocytes to control level. The expression levels of HO-1 and SOD2 increased in RS/d-Leu mice compared to those of RS mice. ROS levels were decreased in K562 cells with d-Leu in a dose-dependent manner. CONCLUSIONS We concluded that d-Leu protects oocytes from psychological stress through the induction of HO-1 and SOD2 expression then by reducing oxidative stress.
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Affiliation(s)
- Ai Tsuji
- Department of Food Science and NutritionFaculty of Human Life and EnvironmentNara Woman's UniversityNaraJapan
| | - Yuka Ikeda
- Department of Food Science and NutritionFaculty of Human Life and EnvironmentNara Woman's UniversityNaraJapan
| | - Mutsumi Murakami
- Department of Food Science and NutritionFaculty of Human Life and EnvironmentNara Woman's UniversityNaraJapan
| | - Yasuko Kitagishi
- Department of Food Science and NutritionFaculty of Human Life and EnvironmentNara Woman's UniversityNaraJapan
| | - Satoru Matsuda
- Department of Food Science and NutritionFaculty of Human Life and EnvironmentNara Woman's UniversityNaraJapan
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Raad G, Tanios J, Azoury J, Daher A, Fakih C, Bakos HW. Neurophysiology of cognitive behavioural therapy, deep breathing and progressive muscle relaxation used in conjunction with ART treatments: a narrative review. Hum Reprod Update 2020; 27:324-338. [PMID: 33238001 DOI: 10.1093/humupd/dmaa048] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 09/13/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Infertility is defined as the failure to achieve clinical pregnancy after 12 months of regular unprotected intercourse. It could be due to male or female factors, each requiring different treatment options. ART treatment exposes couples to numerous psychological stressors. Therefore, it has been recommended by the ESHRE Psychology and Counselling Guideline Development Group recently that psychosocial support should be offered as a complementary therapy during infertility treatments. In this context, the efficiency of different psychological interventions, such as cognitive behaviour therapy (CBT), deep breathing (DB), and progressive muscle relaxation (PMR), was evaluated in several clinical trials in terms of couples' mental health and pregnancy outcomes. OBJECTIVE AND RATIONALE The neurophysiology of CBT, DB and PMR, which are used in interventional studies, in both men and women undergoing ART, has not yet been fully elucidated. This review represents a comprehensive report, aiming to collate novel insights into the neurobiological processes and physiological mechanisms that occur during the practice of CBT, DB and PMR. SEARCH METHODS PubMed, Google Scholar and Cochrane Library were interrogated to conduct this comprehensive literature review. The search was carried out using combinations of MeSH terms and keywords: infertility, assisted reproductive techniques, IVF, ICSI, emotions, psychological stress, cognitive behavioural therapy, mind-body therapies and relaxation. Relevant information related to the mechanism of action of stress management techniques were obtained from original articles and reviews published in English without taking into consideration the time of publication. Moreover, as it was not the major focus of the review, only recent systematic reviews (2015-2019) pinpointing the effects of psychological interventions on infertility treatment outcomes were also retrieved from the above-mentioned databases. OUTCOMES CBT, DB and PMR may modify the activity of stress-related brain regions such as the prefrontal cortex, amygdala, hypothalamus and hippocampus, as demonstrated by functional MRI and electroencephalogram studies. Furthermore, applying these techniques was associated with mood improvements and a decline in stress biomarkers, and, hypothetically, reducing stress biomarkers attenuates the stress-induced effects on ART outcomes. WIDER IMPLICATIONS Increasing the knowledge of fertility staff, researchers and physicians regarding the mechanisms of action of these stress management techniques has several advantages. For instance, understanding the underlying neurophysiological pathways would assist practitioners to engage ART couples in the practice of these techniques. Also, it may enhance the quality of the support programmes and psychological research. Accordingly, this will ensure that these interventions reach their full potential and therefore improve clinical outcomes.
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Affiliation(s)
- Georges Raad
- IVF Department, Al-Hadi Laboratory and Medical Center, Beirut, Lebanon
| | - Judy Tanios
- Embryology Department, IVF Lebanon, Hazmieh, Lebanon
| | - Joseph Azoury
- Azoury IVF clinic, Mount-Lebanon Hospital, Hazmieh, Lebanon
| | - Alain Daher
- Ob-Gyn department, St Joseph University, Beirut, Lebanon
| | - Chadi Fakih
- IVF Department, Al-Hadi Laboratory and Medical Center, Beirut, Lebanon
| | - Hassan W Bakos
- Monash IVF Group, Sydney, NSW, Australia.,School of Environmental and Life Sciences Faculty of Science, University of Newcastle, NSW, Australia
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Zhai QY, Wang JJ, Tian Y, Liu X, Song Z. Review of psychological stress on oocyte and early embryonic development in female mice. Reprod Biol Endocrinol 2020; 18:101. [PMID: 33050936 PMCID: PMC7552561 DOI: 10.1186/s12958-020-00657-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 10/07/2020] [Indexed: 12/22/2022] Open
Abstract
Psychological stress can cause adverse health effects in animals and humans. Accumulating evidence suggests that psychological stress in female mice is associated with ovarian developmental abnormalities accompanied by follicle and oocyte defects. Oocyte and early embryonic development are impaired in mice facing psychological stress, likely resulting from hormone signalling disorders, reactive oxygen species (ROS) accumulation and alterations in epigenetic modifications, which are primarily mediated by the hypothalamic-pituitary-adrenal (HPA) and hypothalamic-pituitary-ovarian (HPO) axes. The present evidence suggests that psychological stress is increasingly becoming the most common causative factor for female subfertility. Here, we review recent progress on the impact of psychological stress on female reproduction, particularly for oocyte and early embryonic development in female mice. This review highlights the connection between psychological stress and reproductive health and provides novel insight on human subfertility.
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Affiliation(s)
- Qiu-Yue Zhai
- grid.410645.20000 0001 0455 0905School of Basic Medicine, Qingdao University, Qingdao, 266071 China
- grid.410645.20000 0001 0455 0905Qingdao Medical College, Qingdao University, Qingdao, 266071 China
| | - Jun-Jie Wang
- grid.412608.90000 0000 9526 6338College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, 266109 China
| | - Yu Tian
- grid.412608.90000 0000 9526 6338College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, 266109 China
| | - Xiaofang Liu
- grid.43308.3c0000 0000 9413 3760Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071 China
| | - Zhenhua Song
- grid.410645.20000 0001 0455 0905School of Basic Medicine, Qingdao University, Qingdao, 266071 China
- grid.410645.20000 0001 0455 0905Qingdao Medical College, Qingdao University, Qingdao, 266071 China
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10
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Anggreini P, Ardianto C, Rahmadi M, Khotib J. Quercetin attenuates acute predator stress exposure-evoked innate fear and behavioral perturbation. J Basic Clin Physiol Pharmacol 2019; 30:/j/jbcpp.ahead-of-print/jbcpp-2019-0242/jbcpp-2019-0242.xml. [PMID: 31778364 DOI: 10.1515/jbcpp-2019-0242] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 10/23/2019] [Indexed: 06/10/2023]
Abstract
Background Oxidative stress plays a pivotal role in the pathophysiology and pathogenesis of mental diseases, such as depression or anxiety. Psychological stress induced by predatory stimulus is one of the models that explain how induced affective behavior is manifested as a depression-like state. Quercetin is a flavonoid that exhibits potential pharmacological activity on mental diseases. Thus, the present study was designed to investigate the effect of quercetin on innate fear and affective behavior induced by repeated predator stress exposure on mice. Materials and methods ICR mice were exposed to predatory stress for 3 days. Quercetin at a dose of 50 mg/kg was given intraperitoneally along with stress induction. The freezing behavior during the stress induction was analyzed. The anxiety-like and depressive-like behaviors and cognitive and motor functions were examined on the last day of induction. Results Predatory stress increased the affective behaviors (anxiety-like and depressive-like behaviors) and produced freezing behavior without alterations in the cognitive function and exploratory behavior. Treatment with quercetin 50 mg/kg attenuated the freezing, anxiety-like and depressive-like behaviors. Conclusions Repeated predator stress exposure causes both innate fear and depression-like state for the prey animals. Quercetin may have a protective effect against depression and alleviates the fear of traumatic events.
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Affiliation(s)
- Putri Anggreini
- Department of Clinical Pharmacy, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Chrismawan Ardianto
- Department of Clinical Pharmacy, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Mahardian Rahmadi
- Department of Clinical Pharmacy, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Junaidi Khotib
- Department of Clinical Pharmacy, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
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Azizi N, Roshan-Milani S, MahmoodKhani M, Saboory E, Gholinejad Z, Abdollahzadeh N, Sayyadi H, Chodari L. Parental pre-conception stress status and risk for anxiety in rat offspring: specific and sex-dependent maternal and paternal effects. Stress 2019; 22:619-631. [PMID: 31131701 DOI: 10.1080/10253890.2019.1619075] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Prenatal stressful events have long-lasting consequences on behavioral responses of offspring. While the effects of gestational and maternal stress have been extensively studied on psychological alterations in the progeny, little is known about effects of each parent's pre-conception life events on emotional responses in offspring. Here, the effect of maternal and/or paternal pre-conception stress was investigated on anxiogenic responses of offspring. Male and female adult rats were subjected to predatory stress (contactless exposure to a cat for 1 + 1 h per day) for 50 (male, n: 12) and 15 (female, n: 24) consecutive days; controls were not exposed. After the stress procedure, the control and stressed rats were mated to create four types of breeding pairs: control female/control male, stressed female/control male, control female/stressed male, and stressed female/stressed male. On postnatal days 30-31, the offspring were tested on the elevated plus maze and plasma corticosterone concentration was measured. Half of the pups were exposed to acute predatory stress before the elevated plus maze test. In most subgroups, corticosterone and anxiety-like behaviors in the offspring with both or only one parent exposed to pre-gestational stress increased compared to their control counterparts. However, under acute stress conditions, a different sex-dependent pattern of anxiety responses emerged. The combined effects of maternal and paternal stress were not additive. Hence, individual offspring behaviors can be influenced by the former life stress experiences of either parent. Incorporation of genetic and epigenetic aspects in development of neurobehavioral abnormalities and reprograming of the hypothalamic-pituitary-adrenal axis may contribute to this phenomenon. Lay summary Early life stress (including during pregnancy) is known to have long-lasting effects on offspring, including emotional behaviors. Whether individual anxiety behaviors can be influenced by stress experiences of each parent even before a pregnancy is less well-understood. Our findings from this study on rats exposed to predator stress before mating suggest that maternal or paternal adult life events prior to pregnancy can lead to maladaptive behavior in their offspring later in life.
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Affiliation(s)
- Negar Azizi
- a Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences , Urmia , Iran
- b Cellular and Molecular Research Center, Urmia University of Medical Sciences , Urmia , Iran
| | - Shiva Roshan-Milani
- a Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences , Urmia , Iran
- c Neurophysiology Research Center, Urmia University of Medical Sciences , Urmia , Iran
| | - Maryam MahmoodKhani
- b Cellular and Molecular Research Center, Urmia University of Medical Sciences , Urmia , Iran
- c Neurophysiology Research Center, Urmia University of Medical Sciences , Urmia , Iran
| | - Ehsan Saboory
- a Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences , Urmia , Iran
- c Neurophysiology Research Center, Urmia University of Medical Sciences , Urmia , Iran
| | - Zafar Gholinejad
- d Department of Clinical Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences , Urmia , Iran
| | - Naseh Abdollahzadeh
- a Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences , Urmia , Iran
| | - Hojjat Sayyadi
- c Neurophysiology Research Center, Urmia University of Medical Sciences , Urmia , Iran
| | - Leila Chodari
- a Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences , Urmia , Iran
- c Neurophysiology Research Center, Urmia University of Medical Sciences , Urmia , Iran
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12
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Ghatebi M, Zavareh S, Lashkarbolouki T, Elahdadi Salmani M. Implications from early life stress on the development of mouse ovarian follicles: Focus on oxidative stress. J Obstet Gynaecol Res 2019; 45:1506-1514. [PMID: 31207032 DOI: 10.1111/jog.14007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 04/28/2019] [Indexed: 11/28/2022]
Abstract
AIM The early life stress has significant long-term effects on the development of the offspring. This study was undertaken to verify if maternal separation as a stressor agent affects the oxidative status and developmental competence of mouse pre-antral follicles (PF) during in vitro culture period. METHODS Female litters of National Medical Research Institute mice were divided into two groups: maternally separated group (MS), separated from the mothers for 6 h per day from postnatal days 2-16; and the rest considered as the control group, which left undisturbed over the 14 days. The litters were sacrificed and the ovarian tissue was harvested to isolate the PF. The PF were in vitro cultured up to 12th day when ovulation was induced. The developmental parameters and oxidative status (i.e., total antioxidant capacity and Malondialdehyde levels, as well as the activities of superoxide dismutase, glutathione peroxidase and catalase) were assessed. RESULTS The rates of survival, antrum formation, ovulation and oocyte maturation of PF derived from the MS group were significantly lower compared with those of the control group. Furthermore, the Malondialdehyde level of the MS group was significantly higher than that of the control group. By contrast, the total antioxidant capacity level was lower in the MS group with respect to the control group. Also, the activity of superoxide dismutase, glutathione peroxidase and catalase of PF, derived from the MS group, was significantly lower compared with those of the control group. CONCLUSION Early life stress damages the developmental competence of mouse PF through induction of oxidative stress.
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Affiliation(s)
- Mina Ghatebi
- School of Biology, Damghan University, Damghan, Iran
| | - Saeed Zavareh
- School of Biology, Damghan University, Damghan, Iran.,Institute of Biological Sciences, Damghan University, Damghan, Iran
| | - Taghi Lashkarbolouki
- School of Biology, Damghan University, Damghan, Iran.,Institute of Biological Sciences, Damghan University, Damghan, Iran
| | - Mahmoud Elahdadi Salmani
- School of Biology, Damghan University, Damghan, Iran.,Institute of Biological Sciences, Damghan University, Damghan, Iran
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13
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Zhang S, Mesalam A, Lee KL, Song SH, Khan I, Yuan Y, Wenfa LV, Kong IK. Effect of Predator Stress on the Reproductive Performance of Female Mice After Nonsurgical Embryo Transfer. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE 2019; 58:304-310. [PMID: 30971328 DOI: 10.30802/aalas-jaalas-18-000085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Predator Stress Can Exert Detrimental Effects on Female Mammals, Leading to Disrupted Reproduction. Although Many Studies Have Addressed the Effects of Predator Stress on Reproductive Output in Rodents, Few Studies Have Focused on the Effect of Visual or Auditory Stress on Pregnant Females. in This Study, We Investigated the Possible Effect of Predator Stress, Either Visual Only or Combined Visual and Auditory (visual+auditory), on the Reproductive Performance of Female Mice After Nonsurgical Embryo Transfer. Reproductive Performance Was Assessed As Pregnancy Rate, Implantation Rate, Gestation Length, Live Pup Rate, and Neonatal Birth Weight. Moreover, Serum Cortisol and Progesterone Levels in Dams Were Measured by Using Electrochemiluminescence Immunoassay. Exposure to Predator (cat) Stress Did Not Lead to a Significant Change in Pregnancy Rates in the Tested Mice. However, the Stressed Mice Showed Significantly Decreased Implantation Rates Compared with the Control Group. Similarly, the Live Pup Rate and Neonatal Birth Weight Were Significantly Lower in the Group Exposed to Preda- Tor Stress Than in the Control Group. Furthermore, Mice Exposed to Visual+auditory Stress Showed a Significant Reduction in Gestation Length Compared with the Control Mice. Our Data Showed That Predator Visual+auditory Stress As Combined Stimuli Significantly Increased Serum Cortisol Level. in Contrast, Progesterone Levels Did Not Significantly Vary Among the Experimental Groups. Taken Together, Our Findings Imply That Predator Stress Adversely Affects the Reproductive Efficiency of Pregnant Mice By Decreasing the Implantation Rate, Live Birth Rate, and Neonatal Birth Weight and by Prolonging Gestation Length.
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Affiliation(s)
- Shimin Zhang
- Department of Animal Science, Division of Applied Life Science, Gyeongsang National University, Gyeongnam Province, Republic of Korea
| | - Ayman Mesalam
- Department of Animal Science, Division of Applied Life Science, Gyeongsang National University, Gyeongnam Province, Republic of Korea;Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Kyeong-Lim Lee
- Department of Animal Science, Division of Applied Life Science, Gyeongsang National University, Gyeongnam Province, Republic of Korea
| | - Seok-Hwan Song
- Department of Animal Science, Division of Applied Life Science, Gyeongsang National University, Gyeongnam Province, Republic of Korea
| | - Imran Khan
- Department of Animal Science, Division of Applied Life Science, Gyeongsang National University, Gyeongnam Province, Republic of Korea;Department of Chemistry, Bacha Khan University, Charsadda, Khyber Pakhtunkhwa, Pakistan
| | - Yuguo Yuan
- Department of Animal Science, Division of Applied Life Science, Gyeongsang National University, Gyeongnam Province, Republic of Korea; College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, Jiangsu, China
| | - L V Wenfa
- Department of Animal Science, Division of Animal Reproduction and Breeding, Jilin Agricultural University, Changchun, Jilin, China
| | - Il-Keun Kong
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, Gyeongnam, Korea;,
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Divergent medial amygdala projections regulate approach-avoidance conflict behavior. Nat Neurosci 2019; 22:565-575. [PMID: 30804529 PMCID: PMC6446555 DOI: 10.1038/s41593-019-0337-z] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 01/09/2019] [Indexed: 02/07/2023]
Abstract
Avoidance of innate threats is often in conflict with motivations to engage in exploratory approach behavior. The neural pathways that mediate this approach-avoidance conflict are not well resolved. Here we isolated a population of dopamine D1 receptor (D1R)-expressing neurons within the posteroventral region of the medial amygdala (MeApv) in mice that are activated either during approach or during avoidance of an innate threat stimulus. Distinct subpopulations of MeApv-D1R neurons differentially innervate the ventromedial hypothalamus and bed nucleus of the stria terminalis, and these projections have opposing effects on investigation or avoidance of threatening stimuli. These projections are potently modulated through opposite actions of D1R signaling that bias approach behavior. These data demonstrate divergent pathways in the MeApv that can be differentially weighted toward exploration or evasion of threats.
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15
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Sun J, Guo Y, Zhang Q, Bu S, Li B, Wang Q, Lai D. Chronic restraint stress disturbs meiotic resumption through APC/C-mediated cyclin B1 excessive degradation in mouse oocytes. Cell Cycle 2018; 17:1591-1601. [PMID: 29911914 DOI: 10.1080/15384101.2018.1471316] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Psychological stress, which exerts detrimental effects on human reproduction, may compromise the meiotic competence of oocytes. Meiotic resumption, germinal vesicle breakdown (GVBD), is the first milestone to confer meiotic competence to oocytes. In the practice of assisted reproductive technology (ART), the timing for GVBD is associated with the rates of cleavage and blastocyst formation. However, whether chronic stress compromises oocyte competence by influencing GVBD and the underlying mechanisms are unclear. In the present study, a chronic restraint stress (CRS) mouse model was used to investigate the effects of stress on oocyte meiotic resumption, as well as the mechanisms. Following a 4-week chronic restraint stress in female mice, the percentage of abnormal bipolar spindles increased and indicated compromised oocyte competence in the CRS group. Furthermore, we identified a decreased percentage of GVBD and prolonged time of GVBD in the CRS mouse oocytes compared with the control group. CRS simultaneously reduced the expression of cyclin B1 (CCNB1), which represents a regulatory subunit of M-phase/mature promoting factor (MPF). However, MG132, an inhibitor of anaphase-promoting complex/cyclosome (APC/C), could rescue the prolonged time of GVBD and increase the expression level of CCNB1 of oocytes from the CRS mice. Collectively, our results demonstrated that stress disturbed meiotic resumption through APC/C-mediated CCNB1 degradation, thus providing a novel understanding for stress-related oocyte quality decline; moreover, it may provide a non-invasive approach to select high-quality gametes and novel targets for molecular therapy to treat stress-related female infertility.
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Affiliation(s)
- Junyan Sun
- a The International Peace Maternity and Child Health Hospital, School of Medicine , Shanghai Jiaotong University , Shanghai , China
| | - Ying Guo
- a The International Peace Maternity and Child Health Hospital, School of Medicine , Shanghai Jiaotong University , Shanghai , China
| | - Qiuwan Zhang
- a The International Peace Maternity and Child Health Hospital, School of Medicine , Shanghai Jiaotong University , Shanghai , China
| | - Shixia Bu
- a The International Peace Maternity and Child Health Hospital, School of Medicine , Shanghai Jiaotong University , Shanghai , China
| | - Boning Li
- a The International Peace Maternity and Child Health Hospital, School of Medicine , Shanghai Jiaotong University , Shanghai , China
| | - Qian Wang
- a The International Peace Maternity and Child Health Hospital, School of Medicine , Shanghai Jiaotong University , Shanghai , China
| | - Dongmei Lai
- a The International Peace Maternity and Child Health Hospital, School of Medicine , Shanghai Jiaotong University , Shanghai , China
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16
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Gong S, Sun GY, Zhang M, Yuan HJ, Zhu S, Jiao GZ, Luo MJ, Tan JH. Mechanisms for the species difference between mouse and pig oocytes in their sensitivity to glucorticoids. Biol Reprod 2018; 96:1019-1030. [PMID: 28419184 DOI: 10.1093/biolre/iox026] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Accepted: 04/11/2017] [Indexed: 02/07/2023] Open
Abstract
Although in vitro exposure to physiological concentrations of glucorticoids did not affect maturation of mouse oocytes, it significantly inhibited nuclear maturation of pig oocytes. Studies on this species difference in oocyte sensitivity to glucocorticoids will contribute to our understanding of how stress/glucocorticoids affect oocytes. We showed that glucorticoid receptors (NR3C1) were expressed in both oocytes and cumulus cells (CCs) of both pigs and mice; however, while cortisol inhibition of oocyte maturation was overcome by NR3C1 inhibitor RU486 in pigs, it could not be relieved by RU486 in mice. The mRNA level of 11β-hydroxysteroid dehydrogenase 1 (HSD11B1) was significantly higher than that of HSD11B2 in pig cumulus-oocyte complexes (COCs), whereas HSD11B2 was exclusively expressed in mouse COCs. Pig and mouse cumulus-denuded oocytes (DOs) expressed HSD11B2 predominantly and exclusively, respectively. In the presence of cortisol, although inhibiting HSD11B2 decreased maturation rates of COCs in both species, inhibiting HSD11B1 improved maturation of pig COCs while having no effect on mouse COCs. Cortisol-cortisone interconversion observation confirmed high HSD11B1 activities in pig oocytes but none in mouse oocytes, a higher HSD11B2 activity in mouse than in pig oocytes, and a rapid cortisol-cortisone interconversion in pig COCs catalyzed by HSD11B1 from CCs and HSD11B2 from DOs. In conclusion, the species difference in glucocorticoid sensitivity between pig and mouse oocytes is caused by their different contents/ratios of HSD11B1 and HSD11B2, which maintain different concentrations of active glucocorticoids. While cortisol inhibited pig oocytes by interacting with NR3C1, glucocorticoid suppression of mouse oocytes was apparently not mediated by NR3C1.
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Affiliation(s)
- Shuai Gong
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Guang-Yi Sun
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Min Zhang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Hong-Jie Yuan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Shuai Zhu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Guang-Zhong Jiao
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Ming-Jiu Luo
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Jing-He Tan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
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17
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Effects of LPS-induced immune activation prior to trauma exposure on PTSD-like symptoms in mice. Behav Brain Res 2017; 323:117-123. [DOI: 10.1016/j.bbr.2017.01.048] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 01/19/2017] [Accepted: 01/30/2017] [Indexed: 02/02/2023]
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18
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Reiter CP, Christy AC, Olsen CH, Bentzel DE. Effect of Home Cage Bedding in the Induction Chamber on Serum Cortisol and Corticosterone Levels in Response to Isoflurane-induced Anesthesia in C57BL/6J Mice. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2017; 56:118-121. [PMID: 28315639 PMCID: PMC5361035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 10/13/2016] [Accepted: 11/28/2016] [Indexed: 06/06/2023]
Abstract
Mice are routinely anesthetized with isoflurane in an induction chamber. The AVMA Guidelines for the Euthanasia of Animals states that distress should be minimized during euthanasia but does not address this point in regard to induction of anesthesia. Here we evaluated the potential for familiar surroundings to reduce the adrenocortical response of mice during anesthesia induction with isoflurane. However, adding bedding from the animals' home cage to the induction chamber failed to significantly reduce serum cortisol or corticosterone levels in male and female C57BL/6J mice. These results indicate that familiar surroundings do not appear sufficient to reduce the adrenocortical response of mice during anesthesia induction with isoflurane.
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Affiliation(s)
- Cara P Reiter
- Center for Laboratory Animal Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland;,
| | - Amanda C Christy
- Center for Laboratory Animal Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Cara H Olsen
- Department of Preventive Medicine and Biometrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - David E Bentzel
- Center for Laboratory Animal Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
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19
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Gao Y, Chen F, Kong QQ, Ning SF, Yuan HJ, Lian HY, Luo MJ, Tan JH. Stresses on Female Mice Impair Oocyte Developmental Potential:Effects of Stress Severity and Duration on Oocytes at the Growing Follicle Stage. Reprod Sci 2016; 23:1148-1157. [DOI: 10.1177/1933719116630416] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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20
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Jarcho MR, Massner KJ, Eggert AR, Wichelt EL. Behavioral and physiological response to onset and termination of social instability in female mice. Horm Behav 2016; 78:135-40. [PMID: 26597994 DOI: 10.1016/j.yhbeh.2015.11.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 11/05/2015] [Accepted: 11/16/2015] [Indexed: 12/13/2022]
Abstract
Chronic stress has been associated with several negative health outcomes and psychopathological conditions. One source of chronic stress might be from ones social environment (e.g., being excluded from a group, losing a loved one, etc.). Specifically, social instability, or frequent changes in the social environment, can result in both physiological and behavioral stress responses. Corticosterone is the primary stress-responsive biomarker in rodents, and it reflects the activity of the hypothalamic-pituitary-adrenal (HPA) axis. Historically, research on the effects of stress has relied on collection of blood, saliva, or other bodily fluids that yield information about moment-to-moment changes in stress physiology. Recently, new sampling techniques involving quantification of glucocorticoids in hair has allowed researchers to view patterns of stress physiology over extended periods of time. This study assessed the effects of chronic social instability on corticosterone levels in female mice. Mice that were subjected to social instability showed elevated hair corticosterone compared to baseline levels and as compared to controls. Additionally, when mice were returned to stable social environments, corticosterone levels returned to levels comparable to baseline and to control animals. This suggests that the corticosterone in hair from female mice can serve as a useful biomarker of chronic stress, and that social instability is a sufficient stressor to elicit an extended HPA response.
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Affiliation(s)
- M R Jarcho
- Neuroscience Program, Loras College, Dubuque, IA 52001, United States.
| | - K J Massner
- Neuroscience Program, Loras College, Dubuque, IA 52001, United States
| | - A R Eggert
- Neuroscience Program, Loras College, Dubuque, IA 52001, United States
| | - E L Wichelt
- Neuroscience Program, Loras College, Dubuque, IA 52001, United States
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21
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Aronsen GP, Beuerlein MM, Watts DP, Bribiescas RG. Redtail and red colobus monkeys show intersite urinary cortisol concentration variation in Kibale National Park, Uganda. CONSERVATION PHYSIOLOGY 2015; 3:cov006. [PMID: 27293691 PMCID: PMC4778450 DOI: 10.1093/conphys/cov006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 01/27/2015] [Accepted: 02/02/2015] [Indexed: 05/25/2023]
Abstract
Non-invasive measurement of urinary cortisol is a proven method of evaluating the impact of environmental stressors on wild primates. Variation in cortisol concentrations can reflect physiological stress, and prolonged elevation of circulating cortisol can significantly affect individual and population-level health. In a previous study, we found that urinary cortisol concentrations in grey-cheeked mangabeys (Lophocebus albigena) were higher at a highly disturbed site (Mainaro) in Kibale National Park, Uganda compared with a minimally disturbed site (Ngogo) in the same habitat. Here, we expand on this research, reporting on cortisol concentrations in two other cercopithecid monkeys (Cercopithecus ascanius and Piliocolobus rufomitratus) at the same two sites. We hypothesized that C. ascanius would show no difference between sites, given its preference for secondary forests, while P. rufomitratus would have higher cortisol concentrations at the disturbed site. Contrary to expectations, both species exhibited significantly higher cortisol concentrations at Ngogo (minimally disturbed) compared with Mainaro (disturbed). We suggest that these results may be caused by inter- or intragroup social dynamics, intersite differences in predation rate, fruit/food availability and chemistry, or a combination of these factors. These initial evaluations of urinary cortisol concentrations provide testable hypotheses on habitat disturbance and Kibale primate ecophysiology.
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Affiliation(s)
- Gary P. Aronsen
- Department of Anthropology, Yale University, New Haven, CT, USA
| | | | - David P. Watts
- Department of Anthropology, Yale University, New Haven, CT, USA
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22
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Geraghty AC, Kaufer D. Glucocorticoid Regulation of Reproduction. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015. [PMID: 26215998 DOI: 10.1007/978-1-4939-2895-8_11] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
It is well accepted that stress, measured by increased glucocorticoid secretion, leads to profound reproductive dysfunction. In times of stress, glucocorticoids activate many parts of the fight or flight response, mobilizing energy and enhancing survival, while inhibiting metabolic processes that are not necessary for survival in the moment. This includes reproduction, an energetically costly procedure that is very finely regulated. In the short term, this is meant to be beneficial, so that the organism does not waste precious energy needed for survival. However, long-term inhibition can lead to persistent reproductive dysfunction, even if no longer stressed. This response is mediated by the increased levels of circulating glucocorticoids, which orchestrate complex inhibition of the entire reproductive axis. Stress and glucocorticoids exhibits both central and peripheral inhibition of the reproductive hormonal axis. While this has long been recognized as an issue, understanding the complex signaling mechanism behind this inhibition remains somewhat of a mystery. What makes this especially difficult is attempting to differentiate the many parts of both of these hormonal axes, and new neuropeptide discoveries in the last decade in the reproductive field have added even more complexity to an already complicated system. Glucocorticoids (GCs) and other hormones within the hypothalamic-pituitary-adrenal (HPA) axis (as well as contributors in the sympathetic system) can modulate the hypothalamic-pituitary-gonadal (HPG) axis at all levels-GCs can inhibit release of GnRH from the hypothalamus, inhibit gonadotropin synthesis and release in the pituitary, and inhibit testosterone synthesis and release from the gonads, while also influencing gametogenesis and sexual behavior. This chapter is not an exhaustive review of all the known literature, however is aimed at giving a brief look at both the central and peripheral effects of glucocorticoids on the reproductive function.
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Affiliation(s)
- Anna C Geraghty
- Department of Integrative Biology, University of California, Berkeley, CA, USA
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23
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González R, Kumaresan A, Bergqvist AS, Sjunnesson YCB. Blood plasma collected after adrenocorticotropic hormone administration during the preovulatory period in the sow negatively affects in vitro fertilization by disturbing spermatozoa function. Theriogenology 2014; 83:1128-39. [PMID: 25623229 DOI: 10.1016/j.theriogenology.2014.12.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 12/09/2014] [Accepted: 12/11/2014] [Indexed: 10/24/2022]
Abstract
Successful fertilization is essential for reproduction and might be negatively affected by stressful events, which could alter the environment where fertilization occurs. The aim of the study was to determine whether an altered hormonal profile in blood plasma caused by adrenocorticotropic hormone (ACTH) administration could affect in vitro fertilization in the pig model. In experiment 1, gametes were exposed for 24 hours to plasma from ACTH-treated, non-ACTH-treated sows, or medium with BSA. Fertilization, cleavage, and blastocyst rates were lower in the ACTH group compared with the no ACTH or BSA control groups (P < 0.01). In experiment 2, the exposure of matured oocytes for 1 hour before fertilization to the same treatments did not have an impact on their ability to undergo fertilization or on embryo development. In experiment 3, spermatozoa were incubated for 0, 1, 4, and 24 hours under the same conditions. There was no effect of treatment on sperm viability. The percentage of acrosome-reacted spermatozoa remained higher in the ACTH group compared with the non-ACTH-treated group through the incubation period (P < 0.001). Protein tyrosine phosphorylation (PTP) patterns were also affected by treatment (P < 0.001). The presence of an atypical PTP pattern was higher in the ACTH group at all the analyzed time points compared with the BSA and no ACTH groups (P < 0.001). In conclusion, this altered environment may not affect oocyte competence but might affect the sperm fertilizing ability through alterations in the acrosome reaction and correct sequence of PTP patterns.
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Affiliation(s)
- R González
- Division of Reproduction, Department of Clinical Sciences, Faculty of Veterinary Medicine and Animal Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden.
| | - A Kumaresan
- Division of Reproduction, Department of Clinical Sciences, Faculty of Veterinary Medicine and Animal Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden; Cattle Yard, LPM, National Dairy Research Institute, Karnal, Haryana, India
| | - A S Bergqvist
- Division of Reproduction, Department of Clinical Sciences, Faculty of Veterinary Medicine and Animal Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Y C B Sjunnesson
- Division of Reproduction, Department of Clinical Sciences, Faculty of Veterinary Medicine and Animal Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
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24
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Li M, Christie H, Leatherland J. Modulation of GR activity does not affect the in vitro metabolism of cortisol by rainbow trout ovarian follicles. FISH PHYSIOLOGY AND BIOCHEMISTRY 2014; 40:1887-1897. [PMID: 25148794 DOI: 10.1007/s10695-014-9976-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Accepted: 08/13/2014] [Indexed: 06/03/2023]
Abstract
The goal of the study was to determine whether the metabolic clearance of cortisol from rainbow trout (Oncorhynchus mykiss) ovarian follicles is affected by the level of ovarian steroidogenesis, and whether it involves the activation of glucocorticoid receptors (GRs). Ovarian follicles were incubated in vitro; the adenylate cyclase activator, forskolin, was used to stimulate ovarian steroidogenesis, and the modulation of GR activity was brought about using GR agonists (cortisol and dexamethasone) or the GR antagonist, mifepristone (RU486). The follicles were co-incubated with [2, 4, 6, 7 (3)H] cortisol, and the tritium-labelled steroid products were separated by HPLC. In addition, the rates of expression of genes encoding for the two forms of GR (gr1 and gr2) were measured. Cortisone, cortisol sulphate, and cortisone sulphate were the major glucocorticoid products of cortisol metabolism, indicative of the action of 11β-hydroxysteroid dehydrogenase and glucocorticoid sulphotransferase in the follicular cells. There were no effects of RU486 or forskolin on the rates of [(3)H]cortisol metabolism suggesting that cortisol metabolism by ovarian follicles was independent of GR activation, and not influenced by increased activation of gonadal reproductive steroidogenesis.
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Affiliation(s)
- Mao Li
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, N1G 2W1, Canada
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Saruta J, To M, Hayashi T, Kawashima R, Shimizu T, Kamata Y, Kato M, Takeuchi M, Tsukinoki K. Relationship between brain-derived neurotrophic factor and stress in saliva and salivary glands. JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY MEDICINE AND PATHOLOGY 2014. [DOI: 10.1016/j.ajoms.2013.12.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zhao LH, Cui XZ, Yuan HJ, Liang B, Zheng LL, Liu YX, Luo MJ, Tan JH. Restraint stress inhibits mouse implantation: temporal window and the involvement of HB-EGF, estrogen and progesterone. PLoS One 2013; 8:e80472. [PMID: 24244689 PMCID: PMC3828244 DOI: 10.1371/journal.pone.0080472] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 10/11/2013] [Indexed: 12/03/2022] Open
Abstract
It is known that psychological stress affects reproduction in women, but it is unknown whether the effect is by impairing implantation. Although studies suggest that long periods of auditory or restraint stress may inhibit implantation in rats and mice, the exact stage of pregnancy at which stress impairs implantation is unclear. Furthermore, whether stress impairs implantation by decreasing the heparin-binding epidermal growth factor-like growth factor (HB-EGF), estrogen and/or progesterone and whether by acting on embryos or on the uterus need further investigations. In this study, a 24-h restraint stress was initiated at 15:30 of day 3 (regimen 1) or at 07:30 (regimen 2) or 15:30 of day 4 (regimen 3) of pregnancy (vaginal plug = day 1) to observe effects of restraint stress applied at different peri-implantation stages on implantation. Among the three regimens, whereas regimens 1 and 3 affected neither term pregnancy nor litter size, regimen 2 reduced both. Further observations indicated that regimen 2 of restraint stress also delayed blastocyst hatching and the attachment reaction, decreased serum concentrations of progesterone and estradiol, and down regulated the expression of HB-EGF in both the endometrium and blastocysts. Taken together, the results suggested that restraint stress inhibited mouse implantation in a temporal window-dependent manner and by impairing blastocyst activation and hatching and uterine receptivity via down-regulating HB-EGF, estrogen and progesterone. Thus, the stress applied within the implantation window impaired implantation by acting on both embryos and the uterus.
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Affiliation(s)
- Li-Hua Zhao
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Xiang-Zhong Cui
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Hong-Jie Yuan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Bo Liang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Liang-Liang Zheng
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Yu-Xiang Liu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Ming-Jiu Luo
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
| | - Jing-He Tan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai-an City, P. R. China
- * E-mail:
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