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Xiang Y, Liu S, Wan S, Chen Q, Song Y, Feng G, Zhang X, Bai L, Zhu Y. Interleukin-1 increases SERPINE1 expression in human granulosa-lutein cell via P50/P52 signaling pathways. Mol Cell Endocrinol 2024; 591:112274. [PMID: 38777211 DOI: 10.1016/j.mce.2024.112274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 05/16/2024] [Accepted: 05/18/2024] [Indexed: 05/25/2024]
Abstract
It has been reported that immune factors are associated with the occurrence of polycystic ovary syndrome (PCOS). Interleukin-1 (IL-1) is a member of the interleukin family that widely participates in the regulation of the inflammatory response in the immune system. In addition, it has been reported that aberrant IL-1 accumulation in serum is associated with the occurrence of PCOS. However, little is known about how IL-1 participates in the pathogenesis of PCOS. In the present study, we demonstrated that the immune microenvironment was altered in follicular fluid from PCOS patients and that the expression levels of two IL-1 cytokines, IL-1α and IL-1β were increased. Transcriptome analysis revealed that IL-1α and IL-1β treatment induced primary human granulosa-lutein (hGL) cell inflammatory response and increased the expression of serpin family E member 1 (SERPINE1). Mechanistically, we demonstrated that IL-1α and IL-1β upregulated SERPINE1 expression through IL-1R1-mediated activation of downstream P50 and P52 signaling pathways in human granulosa cells. Our study highlighted the role of immune state changes in the occurrence of PCOS and provided new insight into the treatment of patients with IL-1-induced ovarian function disorders.
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Affiliation(s)
- Yu Xiang
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Shuangying Liu
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Shan Wan
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Qingqing Chen
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Yang Song
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Guofang Feng
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Xinyue Zhang
- Center for Reproductive Medicine, The First Hospital of Jilin University, Changchun, Jilin, 130015, China
| | - Long Bai
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China.
| | - Yimin Zhu
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Zhejiang Key Laboratory of Maternal and Infant Health, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China.
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Vercellini P, Bandini V, Viganò P, Di Stefano G, Merli CEM, Somigliana E. Proposal for targeted, neo-evolutionary-oriented, secondary prevention of early-onset endometriosis and adenomyosis. Part I: pathogenic aspects. Hum Reprod 2024; 39:1-17. [PMID: 37951243 PMCID: PMC10876119 DOI: 10.1093/humrep/dead229] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 10/17/2023] [Indexed: 11/13/2023] Open
Abstract
The potential for repeated ovulation and menstruation is thought to have provided a Darwinian advantage during the Palaeolithic. Reproductive conditions remained relatively stable until the pre-industrial era, characterized by late menarche, very young age at first birth, multiple pregnancies, and prolonged periods of lactational amenorrhoea. For hundreds of thousands of years, menstruators experienced few ovulatory cycles, even though they were genetically adapted to ovulate and menstruate every month. In the post-industrial era, the age at menarche gradually declined, the age at first birth progressively increased, and breastfeeding became optional and often of short duration. This created a mismatch between genetic adaptation and socio-environmental evolution, so that what was initially a probable reproductive advantage subsequently contributed to increased susceptibility to diseases associated with lifetime oestrogen exposure, such as ovarian, endometrial and breast cancer and, hypothetically, also those associated with the number of ovulatory menstruations, such as endometriosis and adenomyosis. The incidence of endometriosis shows a steep and progressive increase around the age of 25 years, but given the consistently reported delay in diagnosis, the actual incidence curve should be shifted to the left, supporting the possibility that the disease has its roots in adolescence. This raises the question of whether, from an evolutionary point of view, anovulation and amenorrhoea should not still be considered the physiological state, especially in the postmenarchal period. However, an increase in the frequency of endometriosis in recent decades has not been demonstrated, although this deserves further epidemiological investigation. In addition, as endometriosis occurs in a minority of individuals exposed to retrograde menstruation, other important pathogenic factors should be scrutinised. Research should be resumed to explore in more detail the transtubal reflux of not only blood, but also endometrial cells, and whether they are systematically present in the peritoneal fluid after menstruation. If repetitive ovulatory menstruation during the early reproductive years is shown to increase the risk of endometriosis and adenomyosis development and progression in susceptible individuals, hormonal interventions could be used as secondary prevention in symptomatic adolescents.
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Affiliation(s)
- Paolo Vercellini
- Department of Clinical Sciences and Community Health, Academic Centre for Research on Adenomyosis and Endometriosis, Università degli Studi, Milano, Italy
- Gynecology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Veronica Bandini
- Department of Clinical Sciences and Community Health, Academic Centre for Research on Adenomyosis and Endometriosis, Università degli Studi, Milano, Italy
| | - Paola Viganò
- Department of Clinical Sciences and Community Health, Academic Centre for Research on Adenomyosis and Endometriosis, Università degli Studi, Milano, Italy
- Gynecology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Giorgia Di Stefano
- Gynecology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano, Italy
| | | | - Edgardo Somigliana
- Department of Clinical Sciences and Community Health, Academic Centre for Research on Adenomyosis and Endometriosis, Università degli Studi, Milano, Italy
- Gynecology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano, Italy
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Fattahi A, Zarezadeh R, Rastgar Rezaei Y, Mettler L, Nouri M, Schmutzler AG, Salmassi A. Expression of interleukin-1β and its receptor in human granulosa cells and their association with steroidogenesis. Tissue Cell 2023; 85:102230. [PMID: 37820554 DOI: 10.1016/j.tice.2023.102230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 09/28/2023] [Accepted: 09/28/2023] [Indexed: 10/13/2023]
Abstract
This study aimed to investigate whether interleukin 1β (IL-1β) and soluble IL-1 receptor 2 (sIL-1R2) are expressed in human granulosa cells (GCs) and relate to ovarian steroidogenesis. Ninety-six women undergoing in vitro fertilization (IVF) were recruited. RT-PCR and immunocytochemistry were used to detect mRNAs and proteins of IL-1β and IL-1R2, respectively. The steroidogenesis of primary cultured GCs was evaluated following treatment with either IL-1β alone or IL-1β and FSH in combination. There were positive correlations between serum IL-1β and serum progesterone (r = 0.220, p = 0.032) and follicular fluid (FF) estradiol (r = 0.242, p = 0.018). Additionally, serum and FF sIL-1R2 were negatively and positively correlated with FF estradiol (r = -0.376, p = 0.005) and FF progesterone (r = 0.434, p = 0.001), respectively. The mRNA and protein expression of IL-1β and IL-1R2 became evident in GCs. IL-1β alone significantly increased estradiol secretion from GCs, but in the presence of FSH, it could notably promote progesterone secretion in addition to estradiol. In conclusion, IL-1β and sIL-1R2 are expressed in human GCs and substantially contribute to ovarian steroidogenesis, suggesting that the IL-1β system may be a potential target for optimizing ovarian hyperstimulation and steroidogenesis in IVF cycles.
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Affiliation(s)
- Amir Fattahi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Zarezadeh
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yeganeh Rastgar Rezaei
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Liselotte Mettler
- Department of Gynecology & Obstetrics, University Hospitals Schleswig-Holstein, Campus Kiel, Germany
| | - Mohammad Nouri
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Andreas G Schmutzler
- Department of Gynecology & Obstetrics, University Hospitals Schleswig-Holstein, Campus Kiel, Germany.
| | - Ali Salmassi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Gynecology & Obstetrics, University Hospitals Schleswig-Holstein, Campus Kiel, Germany.
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Yi Y, Fu J, Xie S, Zhang Q, Xu B, Wang Y, Wang Y, Li B, Zhao G, Li J, Li Y, Zhao J. Association between ovarian reserve and spontaneous miscarriage and their shared genetic architecture. Hum Reprod 2023; 38:2247-2258. [PMID: 37713654 DOI: 10.1093/humrep/dead180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/07/2023] [Indexed: 09/17/2023] Open
Abstract
STUDY QUESTION Can potential mechanisms involved in the likely concurrence of diminished ovarian reserve (DOR) and miscarriage be identified using genetic data? SUMMARY ANSWER Concurrence between ovarian reserve and spontaneous miscarriage was observed, and may be attributed to shared genetic risk loci enriched in antigen processing and presentation and autoimmune disease pathways. WHAT IS KNOWN ALREADY Previous studies have shown that lower serum anti-Müllerian hormone (AMH) levels are associated with increased risk of embryo aneuploidy and spontaneous miscarriage, although findings have not been consistent across all studies. A recent meta-analysis suggested that the association between DOR and miscarriage may not be causal, but rather a result of shared underlying causes such as clinical conditions or past exposure. Motivated by this hypothesis, we conducted the present analysis to explore the concurrence between DOR and miscarriage, and to investigate potential mechanisms using genetic data. STUDY DESIGN, SIZE, DURATION Three data sources were used in the study: the clinical IVF data were retrospectively collected from an academically affiliated Reproductive Medicine Center (17 786 cycles included); the epidemiological data from the UK Biobank (UKB), which is a large-scale, population-based, prospective cohort study (35 316 white women included), were analyzed; and individual-level genotype data from the UKB were extracted for further analysis. PARTICIPANTS/MATERIALS, SETTING, METHODS There were three modules of analysis. First, clinical IVF data were used to test the association between ovarian reserve biomarkers and the subsequent early spontaneous miscarriage risk. Second, the UKB data were used to test the association of spontaneous miscarriage history and early menopause. Third, individual-level genotype data from the UKB were analyzed to identify specific pleiotropic genes which affect the development of miscarriage and menopause. MAIN RESULTS AND THE ROLE OF CHANCE In the analysis of clinical IVF data, the risk of early spontaneous miscarriage was 1.57 times higher in the group with AMH < 1.1 ng/ml group (P < 0.001), 1.62 times for antral follicular count <5 (P < 0.001), and 1.39 times for FSH ≥10 mIU/ml (P < 0.001) in comparison with normal ovarian reserve groups. In the analysis of UKB data, participants with a history of three or more miscarriages had a one-third higher risk of experiencing early menopause (odds ratio: 1.30, 95% CI 1.13-1.49, P < 0.001), compared with participants without spontaneous miscarriage history. We identified 158 shared genetic risk loci that affect both miscarriage and menopause, which enrichment analysis showed were involved in antigen processing and presentation and autoimmune disease pathways. LIMITATIONS, REASONS FOR CAUTION The analyses of the UKB data were restricted to participants of European ancestry, as 94.6% of the cohort were of white ethnicity. Further studies are needed in non-white populations. Additionally, maternal age at the time of spontaneous miscarriage was not available in the UKB cohort, therefore we adjusted for age at baseline assessment in the models instead. It is known that miscarriage rate in IVF is higher compared to natural conception, highlighting a need for caution when generalizing our findings from the IVF cohort to the general population. WIDER IMPLICATIONS OF THE FINDINGS Our findings have implications for IVF clinicians in terms of patient counseling on the prognosis of IVF treatment, as well as for genetic counseling regarding miscarriage. Our results highlight the importance of further research on the shared genetic architecture and common pathophysiological basis of DOR and miscarriage, which may lead to new therapeutic opportunities. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by the Hunan Youth Science and Technology Innovation Talent Project (2020RC3060), the International Postdoctoral Exchange Fellowship Program (Talent-Introduction Program, YJ20220220), the fellowship of China Postdoctoral Science Foundation (2022M723564), and the Natural Science Foundation of Hunan Province, China (2023JJ41016). This work has been accepted for poster presentation at the 39th Annual Meeting of ESHRE, Copenhagen, Denmark, 25-28 June 2023 (Poster number: P-477). The authors declare no conflict of interest. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Yan Yi
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
| | - Jing Fu
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
| | - Shi Xie
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
| | - Qiong Zhang
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
| | - Bin Xu
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
| | - Yonggang Wang
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
| | - Yijing Wang
- Department of Geriatrics, Bioinformatics Center, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Bin Li
- Department of Geriatrics, Bioinformatics Center, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- Centre for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Xiangya Hospital, Central South University, Changsha, China
| | - Guihu Zhao
- Department of Geriatrics, Bioinformatics Center, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- Centre for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Xiangya Hospital, Central South University, Changsha, China
| | - Jinchen Li
- Department of Geriatrics, Bioinformatics Center, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- Centre for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Xiangya Hospital, Central South University, Changsha, China
| | - Yanping Li
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
| | - Jing Zhao
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, China
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Wan S, Chen Q, Xiang Y, Sang Y, Tang M, Song Y, Feng G, Ye B, Bai L, Zhu Y. Interleukin-1 increases cyclooxygenase-2 expression and prostaglandin E2 production in human granulosa-lutein cell via nuclear factor kappa B/P65 and extracellular signal-regulated kinase 1/2 signaling pathways. Mol Cell Endocrinol 2023; 566-567:111891. [PMID: 36801432 DOI: 10.1016/j.mce.2023.111891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/03/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023]
Abstract
A multitude of cytokines have been reported to participate in the folliculogenesis process in female. Interleukin-1 (IL-1), belonging to interleukin family, is originally identified as an important immune factor involved in inflammation response. Besides the immunity system, IL-1 is also expressed in reproductive system. However, the role of IL-1 in regulating ovarian follicle function remains to be elucidated. In the current study, using the primary human granulosa-lutein (hGL) and immortalized human granulosa-like tumor cell line (KGN) models, we demonstrated that both IL-1α and IL-1β increased prostaglandin E2 (PGE2) production via upregulating its cyclooxygenase (COX) enzyme COX-2 expression in human granulosa cells. Mechanistically, IL-1α and IL-1β treatment activated nuclear factor kappa B (NF-κB) signaling pathway. Using the specific siRNA to knock down endogenous gene expression, we found that the inhibition of p65 expression abolished IL-1α and IL-1β-induced upregulation of COX-2 expression whereas knockdown of p50 and p52 had no effect. Moreover, our results also showed that IL-1α and IL-1β promoted the nuclear translocation of p65. ChIP assay demonstrated the transcriptional regulation of p65 on COX-2 expression. Additionally, we also found that IL-1α and IL-1β could activate the extracellular signal-regulated kinase 1/2 (ERK1/2) signaling pathway. The inhibition of ERK1/2 signaling pathway activation reversed IL-1α and IL-1β-induced upregulation of COX-2 expression. Our findings shed light on the cellular and molecular mechanisms by which IL-1 modulates the COX-2 expression through NF-κB/P65 and ERK1/2 signaling pathways in human granulosa cells.
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Affiliation(s)
- Shan Wan
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Qingqing Chen
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Yu Xiang
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Yimiao Sang
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Minyue Tang
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Yang Song
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Guofang Feng
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Bingru Ye
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China
| | - Long Bai
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China.
| | - Yimin Zhu
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310002, China; Key Laboratory of Reproductive Genetics (Ministry of Education) and Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310002, China.
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Gallino L, Hauk V, Castagnola L, Vota D, Pascuali N, Parborell F, May M, Fontana V, Merech F, Naguila Z, Waschek J, Leirós CP, Ramhorst R. Vasoactive intestinal peptide deficiency promotes ovarian dysfunction associated to a proinflammatory microenvironment reminiscent of premature aging. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166585. [PMID: 36423894 DOI: 10.1016/j.bbadis.2022.166585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 10/15/2022] [Accepted: 10/20/2022] [Indexed: 11/23/2022]
Abstract
Complex immune regulation during pregnancy is required to ensure a successful pregnancy outcome. Vasoactive intestinal peptide (VIP) has local immunoregulatory effects on the ovary, uterus and maternal-fetal interface that favor a tolerogenic maternal microenvironment. Since the VIP Knockout (KO) mice are subfertile, we investigated the mechanisms underlying the effects of VIP deficiency on ovarian physiology and immune homeostasis. Therefore, we studied VIP KO, deficient (HT) and wild type (WT) female mice in estrus at 3 or 8 months of age. Young KO mice showed abnormal cycle timing and regularity associated with dysfunctional ovaries. Ovaries presented higher number of atretic follicles and reduced number of corpora lutea leading to a lower ovulation rates. Part of the VIP KO mice (25 %) failed to ovulate or ovulated oocytes incompetent to be fertilized (50 %). In particular, ovaries of young KO mice exhibited features of premature aging accompanied by a pro-inflammatory milieu with increased levels of IL-1β. A unique macrophage subpopulation identified as "foamy macrophages" was found. On the other hand, aged VIP KO females did not gain body weight probably due to the sustained production of E2. Finally, the adoptive transfer of FOXP3+ cells to infertile VIP KO females resulted in their selective recruitment to the ovary. It increased FOXP3/RORγt and TGFβ/IL-6 ratio improving ovarian microenvironment and pregnancy rate. The present results suggest that VIP contributes to ovarian homeostatic mechanisms required for a successful pregnancy.
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Affiliation(s)
- Lucila Gallino
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Vanesa Hauk
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Lara Castagnola
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Daiana Vota
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | | | | | - Maria May
- ININFA, Universidad de Buenos Aires, CONICET, Argentina
| | - Vanina Fontana
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Fatima Merech
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Zaira Naguila
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - James Waschek
- The David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Claudia Perez Leirós
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Rosanna Ramhorst
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina.
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Immunoendocrine abnormalities in the female reproductive system, and lung steroidogenesis during experimental pulmonary tuberculosis. Tuberculosis (Edinb) 2023; 138:102274. [PMID: 36463716 DOI: 10.1016/j.tube.2022.102274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Tuberculosis (TB) caused by Mycobacterium tuberculosis mainly affects the lungs, but can spread to other organs. TB chronically activates the immune and endocrine systems producing remarkable functional changes.So far, it is unknown whether pulmonary non-disseminated TB cause changes in the female reproductive system and lung endocrinology. OBJECTIVE To investigate whether pulmonary TB produces immunoendocrine alterations of the female mice reproductive organs, and lung estradiol synthesis. METHODS BALB/c mice were infected intratracheally with Mycobacterium tuberculosis (Mtb) strain H37Rv. Groups of six non-infected and infected animals were euthanized on different days. Bacillary loads were determined in the lungs, ovaries and uterus. Immunohistochemistry and morphometry studies were performed in histological sections. Serum estradiol wasassayed, and supernatantfrom cultured lung cells was analyzed by Thin Layer Chromatography (TLC). RESULTS Mtb only grew in lung tissue. Histopathology revealed abnormal folliculogenesis and decreased corpora lutea. Altered ovarian expression of IL-6, IL-1β was found. The infection increased serum estradiol. Estradiol synthesis by infected lung cells triplicate after 30 pi days.Aromatase immunostaining was found in the alveolar and bronchial epithelium, being stronger in the infected lungs, mainly in macrophages. CONCLUSION Pulmonary TB affects the histophysiology of the female reproductive system in absence of its local infection, and disturbslung endocrinology.
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Chen J, Wu S, Wang M, Zhang H, Cui M. A review of autoimmunity and immune profiles in patients with primary ovarian insufficiency. Medicine (Baltimore) 2022; 101:e32500. [PMID: 36595863 PMCID: PMC9794221 DOI: 10.1097/md.0000000000032500] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Primary ovarian insufficiency (POI) is a complicated clinical syndrome characterized by progressive deterioration of ovarian function. Autoimmunity is one of the main pathogenic factors affecting approximately 10% to 55% of POI cases. This review mainly focuses on the role of autoimmunity in the pathophysiology of POI and the potential therapies for autoimmunity-related POI. This review concluded that various markers of ovarian reserve, principally anti-Müllerian hormone, could be negatively affected by autoimmune diseases. The presence of lymphocytic oophoritis, anti-ovarian autoantibodies, and concurrent autoimmune diseases, are the main characteristics of autoimmune POI. T lymphocytes play the most important role in the immune pathogenesis of POI, followed by disorders of other immune cells and the imbalance between pro-inflammatory and anti-inflammatory cytokines. A comprehensive understanding of immune characteristics of patients with autoimmune POI and the underlying mechanisms is essential for novel approaches of treatment and intervention for autoimmune POI.
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Affiliation(s)
- Junyu Chen
- Departments of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
| | - Shan Wu
- Departments of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
- Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University, School of Medicine, Hangzhou, China
| | - Mengqi Wang
- Departments of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
| | - Haoxian Zhang
- Department of Pharmacy, Xuchang Central Hospital, Xuchang, China
| | - Manhua Cui
- Departments of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
- * Correspondence: Manhua Cui, Department of Gynecology and Obstetrics, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, Jilin 130022, China (e-mail: )
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9
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Lin X, Tong X, Zhang Y, Gu W, Huang Q, Zhang Y, Zhuo F, Zhao F, Jin X, Li C, Huang D, Zhang S, Dai Y. Decreased Expression of EZH2 in Granulosa Cells Contributes to Endometriosis-Associated Infertility by Targeting IL-1R2. Endocrinology 2022; 164:6916877. [PMID: 36524678 PMCID: PMC9825353 DOI: 10.1210/endocr/bqac210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022]
Abstract
The mechanism by which endometriosis, a common gynecological disease characterized by chronic pelvic pain and infertility, causes infertility remains elusive. Luteinized unruptured follicle syndrome, the most common type of ovulatory dysfunction, is a cause of endometriosis-associated infertility involving reduced numbers of retrieved and mature oocytes. Ovulation is controlled by luteinizing hormone and paracrine signals produced within the follicle microenvironment. Generally, interleukin (IL)-1β is elevated in endometriosis follicular fluid, whereby it amplifies ovulation signals by activating extracellular-regulated kinase 1/2 and CCAAT/enhancer binding protein β pathways. However, this amplification of ovulation by IL-1β does not occur in patients with endometriosis. To illuminate the mechanism of ovulatory dysfunction in endometriosis, we analyzed the effect of oxidative stress and IL-1β expression on endometriosis follicles. We found that oxidative stress decreased EZH2 expression and reduced H3K27Me3 levels in endometriosis ovarian granulosa cells (GCs). Selective Ezh2 depletion in mice ovarian GCs reduced fertility by disturbing cumulus-oocyte complex expansion and reducing epidermal growth factor-like factor expression. Gene expression and H3K27Me3 ChIP-sequencing (ChIP-Seq) of GCs revealed IL-1 receptor 2 (IL-1R2), a high-affinity IL-1β-receptor that suppresses IL-1β-mediated inflammatory cascades during ovulation, as a crucial target gene of the EZH2-H3K27Me3 axis. Moreover, IL-1β addition did not restore ovulation upon Ezh2 knockdown, indicating a vital function of IL-1R2 in endometriosis. Thus, our findings show that reducing EZH2 and H3K27Me3 in GCs suppressed ovulatory signals by increasing IL-1R2 expression, which may ultimately contribute to endometriosis-associated infertility.
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Affiliation(s)
| | | | - Yinli Zhang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
- Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Shangcheng District, Hangzhou 310016, China
| | - Weijia Gu
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
| | - Qianmeng Huang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No. 109 Xueyuan WestRoad, Lucheng District, Wenzhou 325000, China
| | - Yi Zhang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
| | - Feng Zhuo
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
- Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Shangcheng District, Hangzhou 310016, China
| | - Fanxuan Zhao
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
| | - Xiaoying Jin
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
- Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Shangcheng District, Hangzhou 310016, China
| | - Chao Li
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
- Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Shangcheng District, Hangzhou 310016, China
| | - Dong Huang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Shangcheng District, Hangzhou 310016, China
- Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Shangcheng District, Hangzhou 310016, China
| | - Songying Zhang
- Correspondence: Yongdong Dai, PhD, Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 Qingchun East Rd, Shangcheng District, Hangzhou 310016, China. ; or Songying Zhang, MD, Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 Qingchun East Rd, Shangcheng District, Hangzhou 310016, China.
| | - Yongdong Dai
- Correspondence: Yongdong Dai, PhD, Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 Qingchun East Rd, Shangcheng District, Hangzhou 310016, China. ; or Songying Zhang, MD, Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 Qingchun East Rd, Shangcheng District, Hangzhou 310016, China.
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10
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Al-Obaidi MT, Thamer E, Ibraheem QA. Interleukin-1β, 27 Level in Stimulated and Non-stimulated PCOS Infertile Women (Cross-Sectional Study). Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.9973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Polycystic ovary syndrome (PCOS) stands for highly prevalent female endocrine pathology. Females suffering from PCOS have a significantly higher number of inflammatory markers. The IL-1 family members enormously affect the innate immune system. Objectives: Study the changes in the levels of Interleukin- 1ß and Interleukin- 27 in the stimulated and non-stimulated cycle (by gonadotrophin) in polycystic ovarian syndrome women. Methods: Fifty-eight infertile women with polycystic ovary syndrome (PCOS) have been included in this research article. Twenty-nine of them did not undergo ovulation induction (OI) protocols, while the other twenty-nine were under ovulation induction (OI) therapy. Interleukin-1ß and Interleukin -27 measured in both groups, in the stimulated cycle just prior to administration of HCG and on the second day of the menstrual cycle in the non-stimulated females. Results: Both interleukins have been significantly more significant in the ovulation stimulated group than the non-stimulated one, with P-value of (0.04) for Interleukin -1ß and (0.02) for interleukin-27. Conclusion: The ovulation processes involve an increase in the inflammatory process, as demonstrated by the rise in these interleukins' levels. This increase is more prominent in the process of ovulation induction.
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11
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Li G, Huang S, Liu X, Du Q. Potential biomarkers and molecular mechanisms in preeclampsia progression. Open Life Sci 2022; 17:529-543. [PMID: 35647297 PMCID: PMC9123303 DOI: 10.1515/biol-2022-0053] [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: 06/02/2021] [Revised: 01/11/2022] [Accepted: 01/21/2022] [Indexed: 11/15/2022] Open
Abstract
Abstract
This study aimed to explore potential biomarkers and molecular mechanisms in preeclampsia (PE) progression. Gene expression profiles of GSE147776 and GSE96984 were downloaded, followed by the identification of common differentially expressed genes (co-DEGs) and common differentially expressed lncRNAs (co-DElncRNAs) in PE patients between the two datasets. Key genes were identified using gene set enrichment analysis (GSEA), followed by functional enrichment analyses. Subsequently, the miRNAs of key genes and miRNA-related lncRNAs were predicted, followed by the construction of the lncRNA–miRNA–gene ceRNA network. Furthermore, the key genes associated with different gestational stages were identified. As a result, 192 co-DEGs and 16 co-DElncRNAs were revealed from the two datasets. Based on two outstanding PE-associated pathways, including glaucoma and PE, identified by GSEA, ten key genes, including IGFBP1, CORIN, and C3, were revealed. Key genes, including IL1A and IL1B, were enriched in the developmental process involved in reproduction. Furthermore, ceRNAs, such as LINC00473-miR-4476-IL1A, LINC00473-miR-1291-IL1B, and NAV2-AS4-miR-6131-REN, were identified. Moreover, REN expression was significantly upregulated in the first- and second-trimester placentae compared to C-section-term placentae. In conclusion, these key genes may serve as novel biomarkers for PE. The detection of REN expression may help in the early prediction of PE and the initiation of prophylactic medical treatment.
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Affiliation(s)
- Guohua Li
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University , Shanghai , 200092 , China
| | - Shijia Huang
- Department of Obstetrics, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University , Shanghai , 200092 , China
| | - Xiaosong Liu
- Department of Obstetrics, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University , Shanghai , 200092 , China
| | - Qiaoling Du
- Department of Obstetrics, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University , Shanghai , 200092 , China
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12
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Da Luz CM, Da Broi MG, Koopman LDO, Plaça JR, da Silva-Jr WA, Ferriani RA, Meola J, Navarro PA. Transcriptomic analysis of cumulus cells shows altered pathways in patients with minimal and mild endometriosis. Sci Rep 2022; 12:5775. [PMID: 35388025 PMCID: PMC8986826 DOI: 10.1038/s41598-022-09386-4] [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: 09/30/2021] [Accepted: 03/11/2022] [Indexed: 11/09/2022] Open
Abstract
Endometriosis is a chronic inflammatory disorder that is highly associated with infertility. This association seems to be related to oocyte impairment, mainly in the initial stages of endometriosis (minimal and mild), where no distortions or adhesions are present. Nonetheless, invasive oocyte analyses are not routinely feasible; thus, indirect assessment of oocyte quality is highly desirable, and, in this context, cumulus cells (CCs) may be more suitable targets of analysis. CCs are crucial in oocyte development and could be used as an index of oocyte quality. Therefore, this prospective case–control study aimed to shed light on the infertility mechanisms of endometriosis I/II by analyzing the CCs’ mRNA transcription profile (women with endometriosis I/II, n = 9) compared to controls (women with tubal abnormalities or male factor, n = 9). The transcriptomic analyses of CCs from patients with minimal and mild endometriosis revealed 26 differentially expressed genes compared to the controls. The enrichment analysis evidenced some altered molecular processes: Cytokine-cytokine receptor interactions, Chemokine signaling, TNF signaling, NOD-like receptor signaling, NF-kappa B signaling, and inflammatory response. With the exception of CXCL12, all enriched genes were downregulated in CCs from patients with endometriosis. These findings provide a significant achievement in the field of reproductive biology, directing future studies to discover biomarkers of oocyte quality in endometriosis.
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Affiliation(s)
- Caroline Mantovani Da Luz
- Division of Human Reproduction, Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, 3900 Bandeirantes Avenue, Ribeirão Preto, São Paulo, 14049-900, Brazil. .,National Institute of Hormones and Women's Health, CNPq, Porto Alegre, Rio Grande Do Sul, 90035-003, Brazil.
| | - Michele Gomes Da Broi
- Division of Human Reproduction, Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, 3900 Bandeirantes Avenue, Ribeirão Preto, São Paulo, 14049-900, Brazil.,National Institute of Hormones and Women's Health, CNPq, Porto Alegre, Rio Grande Do Sul, 90035-003, Brazil
| | - Larissa de Oliveira Koopman
- Division of Human Reproduction, Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, 3900 Bandeirantes Avenue, Ribeirão Preto, São Paulo, 14049-900, Brazil.,National Institute of Hormones and Women's Health, CNPq, Porto Alegre, Rio Grande Do Sul, 90035-003, Brazil
| | - Jessica Rodrigues Plaça
- Center for Integrative Systems Biology - CISBi, NAP/USP, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Wilson Araújo da Silva-Jr
- Center for Integrative Systems Biology - CISBi, NAP/USP, Ribeirão Preto, São Paulo, 14049-900, Brazil.,Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Rui Alberto Ferriani
- Division of Human Reproduction, Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, 3900 Bandeirantes Avenue, Ribeirão Preto, São Paulo, 14049-900, Brazil.,National Institute of Hormones and Women's Health, CNPq, Porto Alegre, Rio Grande Do Sul, 90035-003, Brazil
| | - Juliana Meola
- Division of Human Reproduction, Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, 3900 Bandeirantes Avenue, Ribeirão Preto, São Paulo, 14049-900, Brazil.,National Institute of Hormones and Women's Health, CNPq, Porto Alegre, Rio Grande Do Sul, 90035-003, Brazil
| | - Paula Andrea Navarro
- Division of Human Reproduction, Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, 3900 Bandeirantes Avenue, Ribeirão Preto, São Paulo, 14049-900, Brazil.,National Institute of Hormones and Women's Health, CNPq, Porto Alegre, Rio Grande Do Sul, 90035-003, Brazil
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13
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Park CJ, Oh JE, Feng J, Cho YM, Qiao H, Ko C. Lifetime changes of the oocyte pool: Contributing factors with a focus on ovulatory inflammation. Clin Exp Reprod Med 2022; 49:16-25. [PMID: 35255655 PMCID: PMC8923630 DOI: 10.5653/cerm.2021.04917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 02/11/2022] [Indexed: 12/24/2022] Open
Abstract
In mammalian species, females are born with a number of oocytes exceeding what they release via ovulation. In humans, an average girl is born with over a thousand times more oocytes than she will ovulate in her lifetime. The reason for having such an excessive number of oocytes in a neonatal female ovary is currently unknown. However, it is well established that the oocyte number decreases throughout the entire lifetime until the ovary loses them all. In this review, data published in the past 80 years were used to assess the current knowledge regarding the changing number of oocytes in humans and mice, as well as the reported factors that contribute to the decline of oocyte numbers. Briefly, a collective estimation indicates that an average girl is born with approximately 600,000 oocytes, which is 2,000 times more than the number of oocytes that she will ovulate in her lifetime. The oocyte number begins to decrease immediately after birth and is reduced to half of the initial number by puberty and almost zero by age 50 years. Multiple factors that are either intrinsic or extrinsic to the ovary contribute to the decline of the oocyte number. The inflammation caused by the ovulatory luteinizing hormone surge is discussed as a potential contributing factor to the decline of the oocyte pool during the reproductive lifespan.
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Affiliation(s)
- Chan Jin Park
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL ,USA.,Epivara Inc., Champaign, IL, USA
| | - Ji-Eun Oh
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL ,USA
| | - Jianan Feng
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL ,USA
| | - Yoon Min Cho
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL ,USA
| | - Huanyu Qiao
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL ,USA
| | - CheMyong Ko
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL ,USA
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Liu H, Jiang C, La B, Cao M, Ning S, Zhou J, Yan Z, Li C, Cui Y, Ma X, Wang M, Chen L, Yu Y, Chen F, Zhang Y, Wu H, Liu J, Qin L. Human amnion-derived mesenchymal stem cells improved the reproductive function of age-related diminished ovarian reserve in mice through Ampk/FoxO3a signaling pathway. Stem Cell Res Ther 2021; 12:317. [PMID: 34078462 PMCID: PMC8173966 DOI: 10.1186/s13287-021-02382-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 05/13/2021] [Indexed: 01/01/2023] Open
Abstract
Background Age-related diminished ovarian reserve (AR-DOR) reduced the quality of oocytes, resulting in decreased female fertility. Aging is tightly related to abnormal distribution and function of mitochondria, while mitophagy is a major process to maintain normal quality and quantity of mitochondria in cells, especially in oocytes which containing a large number of mitochondria to meet the demand of energy production during oocyte maturation and subsequent embryonic development. Ampk/FoxO3a signaling is crucial in the regulation of mitophagy. It is reported mesenchymal stem cells (MSCs) can improve ovarian function. Here we aim to explore if human amnion-derived mesenchymal stem cells (hAMSCs) are effective in improving ovarian function in AR-DOR mice and whether Ampk/FoxO3a signaling is involved. Methods The AR-DOR model mice were established by 32-week-old mice with 3–8 litters, significantly low serum sex hormone levels and follicle counts. The old mice were divided into 5 treatment groups: normal saline (NS, control), 1% human serum albumin (HSA, resolver), low dose (LD, 5.0 × 106cells/kg), middle dose (MD, 7.5 × 106cells/kg), and high dose (HD, 10.0 × 106cells/kg). The prepared hAMSCs were injected through tail vein. Serum sex hormone level, follicle counts, fertilization rate, gestation rate, little size, apoptosis of granulosa and stromal cells, expression level of Sod2, Ampk, and ratio of phosphorylated FoxO3a to total FoxO3a in ovaries were examined. Results Our results show that after hAMSC transplantation, the ovarian function in AR-DOR mice was significantly improved, meanwhile the apoptosis of granulosa and stromal cells in the ovaries was significantly repressed, the expression level of Ampk and the ratio of phosphorylated FoxO3a to total FoxO3a both were significantly increased, meanwhile increased Sod2 expression was also observed. Conclusion Our results demonstrate hAMSC transplantation via tail-injection can improve ovarian function of AR-DOR mice through Ampk/FoxO3a signaling pathway. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02382-x.
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Affiliation(s)
- Hanwen Liu
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Chunyan Jiang
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Boya La
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Meng Cao
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Song Ning
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Jing Zhou
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Zhengjie Yan
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Chuyu Li
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Yugui Cui
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Xiang Ma
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Meilian Wang
- Department of Obstetrics, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Li Chen
- Department of Obstetrics, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Youjia Yu
- Department of Forensic Medicine, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Feng Chen
- Department of Forensic Medicine, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.,Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Yuexin Zhang
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Huimin Wu
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Jiayin Liu
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China.
| | - Lianju Qin
- State Key Laboratory of Reproductive Medicine, Center of Clinical Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, 210029, China.
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15
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Liu Z, Niu C, Li J. Pyroptosis is involved in ovulation of zebrafish. Cell Discov 2021; 7:40. [PMID: 34075020 PMCID: PMC8169692 DOI: 10.1038/s41421-021-00263-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 03/28/2021] [Indexed: 11/24/2022] Open
Affiliation(s)
- Zhiquan Liu
- College of Life Sciences, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Caiyan Niu
- College of Life Sciences, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Jianzhen Li
- College of Life Sciences, Northwest Normal University, Lanzhou, Gansu 730070, China.
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16
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Zerani M, Polisca A, Boiti C, Maranesi M. Current Knowledge on the Multifactorial Regulation of Corpora Lutea Lifespan: The Rabbit Model. Animals (Basel) 2021; 11:ani11020296. [PMID: 33503812 PMCID: PMC7911389 DOI: 10.3390/ani11020296] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/19/2021] [Accepted: 01/21/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Corpora lutea (CL) are temporary endocrine structures that secrete progesterone, which is essential for maintaining a healthy pregnancy. A variety of regulatory factors come into play in modulating the functional lifespan of CL, with luteotropic and luteolytic effects. Many aspects of luteal phase physiology have been clarified, yet many others have not yet been determined, including the molecular and/or cellular mechanisms that maintain the CL from the beginning of luteolysis during early CL development. This paper summarizes our current knowledge of the endocrine and cellular mechanisms involved in multifactorial CL lifespan regulation, using the pseudopregnant rabbit model. Abstract Our research group studied the biological regulatory mechanisms of the corpora lutea (CL), paying particular attention to the pseudopregnant rabbit model, which has the advantage that the relative luteal age following ovulation is induced by the gonadotrophin-releasing hormone (GnRH). CL are temporary endocrine structures that secrete progesterone, which is essential for maintaining a healthy pregnancy. It is now clear that, besides the classical regulatory mechanism exerted by prostaglandin E2 (luteotropic) and prostaglandin F2α (luteolytic), a considerable number of other effectors assist in the regulation of CL. The aim of this paper is to summarize our current knowledge of the multifactorial mechanisms regulating CL lifespan in rabbits. Given the essential role of CL in reproductive success, a deeper understanding of the regulatory mechanisms will provide us with valuable insights on various reproductive issues that hinder fertility in this and other mammalian species, allowing to overcome the challenges for new and more efficient breeding strategies.
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Piccinni MP, Vicenti R, Logiodice F, Fabbri R, Kullolli O, Pallecchi M, Paradisi R, Danza G, Macciocca M, Lombardelli L, Seracchioli R. Description of the Follicular Fluid Cytokine and Hormone Profiles in Human Physiological Natural Cycles. J Clin Endocrinol Metab 2021; 106:e721-e738. [PMID: 33247906 PMCID: PMC7823236 DOI: 10.1210/clinem/dgaa880] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Indexed: 12/21/2022]
Abstract
PURPOSE Exogenous gonadotrophins administration during in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) cycles could significantly alter the endogenous follicular regulation system and could influence oocyte quality. The analysis of the follicular fluid (FF) cytokine and hormone profiles in physiological natural cycles is crucial to appreciate the role of FF milieu on follicle development. So far, the FF cytokine profile has been analyzed only in controlled ovarian stimulation cycles and in modified natural cycles. Our study defines, in physiological natural cycles, the cytokine and hormone profiles of individual FF aspirated from antral follicles. METHODS A total of 203 FFs obtained from 83 women with regular menstrual cycles undergoing ovarian tissue cryopreservation were analyzed: 115 FFs from Group 1 (10 to 29 years of age) and 88 FFs from Group 2 (30 to 40 years of age). In individual FF, 27 cytokines were measured with xMAP technology, and progesterone, estrone, estradiol, testosterone, androstenedione concentrations were determined by liquid chromatography-tandem mass spectrometry. RESULTS FF hormone profiles were not different in follicular and luteal phase, suggesting that FF hormones are regulated independently of the endogenous gonadotrophins-possibly because 74% of the punctured follicles, which were ≤6 mm, did not require cyclic pituitary function. The follicle size was influenced not only by the FF cytokine profile but also by the FF hormone profile, both of which are dependent on age. MAIN CONCLUSIONS In physiological natural cycles, FF hormones seems to be regulated independently of the endogenous gonadotropins. Age influences FF hormone and cytokine profiles and the compelling relationship between FF hormones and FF cytokines could influence the follicle development.
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Affiliation(s)
- Marie-Pierre Piccinni
- Department of Experimental and Clinical Medicine- University of Florence, Italy. Center of Excellence for Research, Transfer and High Education DENOTHE of the University of Florence, Florence, Italy
- Correspondence: Prof.ssa Marie-Pierre Piccinni, Dipartimento di Medicina Sperimentale e Clinica, Largo Brambilla 3, Firenze 50134, Italy.
| | - Rossella Vicenti
- Gynecology and Physiopathology of Human Reproduction Unit, Department of Medical and Surgical Sciences, University of Bologna, S. Orsola-Malpighi Hospital of Bologna, Bologna, Italy
| | - Federica Logiodice
- Department of Experimental and Clinical Medicine- University of Florence, Italy. Center of Excellence for Research, Transfer and High Education DENOTHE of the University of Florence, Florence, Italy
| | - Raffaella Fabbri
- Gynecology and Physiopathology of Human Reproduction Unit, Department of Medical and Surgical Sciences, University of Bologna, S. Orsola-Malpighi Hospital of Bologna, Bologna, Italy
| | - Ornela Kullolli
- Department of Experimental and Clinical Medicine- University of Florence, Italy. Center of Excellence for Research, Transfer and High Education DENOTHE of the University of Florence, Florence, Italy
| | - Marco Pallecchi
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio,” University of Florence, Italy
| | - Roberto Paradisi
- Gynecology and Physiopathology of Human Reproduction Unit, Department of Medical and Surgical Sciences, University of Bologna, S. Orsola-Malpighi Hospital of Bologna, Bologna, Italy
| | - Giovanna Danza
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio,” University of Florence, Italy
| | - Maria Macciocca
- Gynecology and Physiopathology of Human Reproduction Unit, Department of Medical and Surgical Sciences, University of Bologna, S. Orsola-Malpighi Hospital of Bologna, Bologna, Italy
| | - Letizia Lombardelli
- Department of Experimental and Clinical Medicine- University of Florence, Italy. Center of Excellence for Research, Transfer and High Education DENOTHE of the University of Florence, Florence, Italy
| | - Renato Seracchioli
- Gynecology and Physiopathology of Human Reproduction Unit, Department of Medical and Surgical Sciences, University of Bologna, S. Orsola-Malpighi Hospital of Bologna, Bologna, Italy
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Akamine K, Mekaru K, Gibo K, Nagata C, Nakamura R, Oishi S, Miyagi M, Heshiki C, Aoki Y. Impact of the one-carbon metabolism on oocyte maturation, fertilization, embryo quality, and subsequent pregnancy. Reprod Med Biol 2021; 20:76-82. [PMID: 33488286 PMCID: PMC7812474 DOI: 10.1002/rmb2.12354] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/09/2020] [Accepted: 09/30/2020] [Indexed: 12/26/2022] Open
Abstract
PURPOSE To investigate impact of the one-carbon metabolism (OCM) on oocyte maturity and embryo development. METHODS This prospective study analyzed 18 women who agreed to participate. We measured the OCM biomarkers' concentrations including Vitamin B12 (VB12), folic acid (FA), and homocysteine (Hcy) in serum and follicular fluid (FF), and assessed their correlation. We also evaluated the influence of such OCM biomarker concentrations in mono-FF on oocyte maturation, fertilization, embryo quality, and consequent pregnancy after embryo transfers. RESULTS All biomarkers showed a high concentration variability in different follicles of each woman, but their mean levels correlated with the serum levels. Among the 106 collected oocytes, 92 were mature, 59 were fertilized, and 16 yielded good-quality embryos. We performed 26 single embryo transfers, and 7 patients achieved clinical pregnancies. VB12 concentration (FF) was significantly lower in fertilized than unfertilized oocytes by univariate analysis. In multivariate logistic analysis, a significant correlation was found between FA concentration (FF) <14.25 ng/mL and good-quality embryos and between Hcy concentration (FF) <4.9 nmol/mL and clinical pregnancy. CONCLUSION OCM in FF may affect fertilization, embryo quality, and clinical pregnancy.
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Affiliation(s)
- Kozue Akamine
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
| | - Keiko Mekaru
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
| | - Keiya Gibo
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
| | - Chinatsu Nagata
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
| | - Rie Nakamura
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
| | - Sugiko Oishi
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
| | - Maho Miyagi
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
| | - Chiaki Heshiki
- Okinawa Prefectural Nanbu Medical Center & Children's Medical CenterOkinawaJapan
| | - Yoichi Aoki
- Department of Obstetrics and GynecologyGraduate School of Medical ScienceUniversity of the RyukyusNakagami‐gunJapan
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Zhang Z, Huang L, Brayboy L. Macrophages: an indispensable piece of ovarian health. Biol Reprod 2020; 104:527-538. [PMID: 33274732 DOI: 10.1093/biolre/ioaa219] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 11/10/2020] [Accepted: 12/01/2020] [Indexed: 12/20/2022] Open
Abstract
Macrophages are the most abundant immune cells in the ovary. In addition to their roles in the innate immune system, these heterogeneous tissue-resident cells are responsive to tissue-derived signals, adapt to their local tissue environment, and specialize in unique functions to maintain tissue homeostasis. Research in the past decades has established a strong link between macrophages and various aspects of ovarian physiology, indicating a pivotal role of macrophages in ovarian health. However, unlike other intensively studied organs, the knowledge of ovarian macrophages dates back to the time when the heterogeneity of ontogeny, phenotype, and function of macrophages was not fully understood. In this review, we discuss the evolving understanding of the biology of ovarian tissue-resident macrophages, highlight their regulatory roles in normal ovarian functions, review the association between certain ovarian pathologies and disturbed macrophage homeostasis, and finally, discuss the technologies that are essential for addressing key questions in the field.
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Affiliation(s)
- Zijing Zhang
- Division of Research, Department of Obstetrics and Gynecology, Women & Infants Hospital of Rhode Island, Providence, RI 02905, USA.,Department of Hematology and Oncology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Lu Huang
- Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Lynae Brayboy
- Division of Research, Department of Obstetrics and Gynecology, Women & Infants Hospital of Rhode Island, Providence, RI 02905, USA.,Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Women & Infants Hospital of Rhode Island, Providence, RI 02905, USA.,Department of Molecular Biology, Cell Biology & Biochemistry, Alpert Medical School of Brown University, Providence, RI 02912, USA.,Department of Neuropediatrics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin 10117, Germany
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20
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Saraswathi S, Chaitra BS, Tannavi K, Mamtha R, Sowrabha R, Rao KV, Doddamane M. Proteome analysis of male accessory gland secretions in Leucinodes orbonalis Guenee (Lepidoptera: Crambidae), a Solanum melongena L. pest. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2020; 104:e21672. [PMID: 32232934 DOI: 10.1002/arch.21672] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 06/10/2023]
Abstract
Male accessory gland (MAG) proteins are transferred along with the sperm to females at the time of mating and have diverse effects on female reproductive physiology in a wide range of insects. In this study, we sought to identify the MAG proteins in Leucinodes orbonalis Guenee, a Solanum melongena L. pest, by analyzing the MAG proteins of virgin and mated male moths by nano-LC-ESI-MS/MS techniques. A total of 142 and 131 proteins in virgin and mated males were identified, respectively, among which 17 (12.0%) and 10 (7.6%) proteins were found to show secretory signals in virgin and mated males, respectively. These secretory proteins were shown to be involved in several biological processes in insects, including egg development, sperm-related functions/capacitation, defense, metabolism, and protein chaperoning. To the best of our knowledge, this is the first study to perform a proteome analysis of the MAG proteins of L. orbonalis, and offers an opportunity for further investigation of the functions of these proteins. In insects, certain MAG proteins are known to inhibit mating whereas others accelerate egg-laying. Therefore, the identification of these proteins in L. orbonalis may be useful for pest control.
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Affiliation(s)
| | - B S Chaitra
- Department of Microbiology, Bangalore University, Bengaluru, Karnataka, India
| | - Kiran Tannavi
- Department of Microbiology, Bangalore University, Bengaluru, Karnataka, India
| | - R Mamtha
- Department of Microbiology, Bangalore University, Bengaluru, Karnataka, India
| | - R Sowrabha
- Department of Microbiology, Bangalore University, Bengaluru, Karnataka, India
| | - Karthik V Rao
- Department of Microbiology, Bangalore University, Bengaluru, Karnataka, India
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21
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Pinteaux E, Abdulaal WH, Mufazalov IA, Humphreys NE, Simonsen-Jackson M, Francis S, Müller W, Waisman A. Cell-specific conditional deletion of interleukin-1 (IL-1) ligands and its receptors: a new toolbox to study the role of IL-1 in health and disease. J Mol Med (Berl) 2020; 98:923-930. [PMID: 32468079 PMCID: PMC7343756 DOI: 10.1007/s00109-020-01928-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/15/2020] [Accepted: 05/20/2020] [Indexed: 01/08/2023]
Abstract
The pro-inflammatory cytokine interleukin-1 (IL-1) plays a key role in many physiological processes and during the inflammatory and immune response to most common diseases. IL-1 exists as two agonists, IL-1α and IL-1β that bind to the only signaling IL-1 type 1 receptor (IL-1R1), while a second decoy IL-1 type 2 receptor (IL-1R2) binds both forms of IL-1 without inducing cell signaling. The field of immunology and inflammation research has, over the past 35 years, unraveled many mechanisms of IL-1 actions, through in vitro manipulation of the IL-1 system or by using genetically engineered mouse models that lack either member of the IL-1 family in ubiquitous constitutive manner. However, the limitation of global mouse knockout technology has significantly hampered our understanding of the precise mechanisms of IL-1 actions in animal models of disease. Here we report and review the recent generation of new conditional mouse mutants in which exons of Il1a, Il1b, Il1r1, and Il1r2 genes flanked by loxP sites (fl/fl) can be deleted in cell-/tissue-specific constitutive or inducible manner by Cre recombinase expression. Hence, IL-1αfl/fl, IL-1βfl/fl, IL-1R1fl/fl, and IL-1R2fl/fl mice constitute a new toolbox that will provide a step change in our understanding of the cell-specific role of IL-1 and its receptor in health and disease and the potential development of targeted IL-1 therapies.
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Affiliation(s)
- Emmanuel Pinteaux
- Faculty of Biology, Medicine and Health, University of Manchester, AV Hill Building, Oxford Road, Manchester, M13 9PT, United Kingdom.
| | - Wesam H Abdulaal
- Faculty of Biology, Medicine and Health, University of Manchester, AV Hill Building, Oxford Road, Manchester, M13 9PT, United Kingdom
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, P.O.BOX 80203, Jeddah, 21589, Kingdom of Saudi Arabia
| | - Ilgiz A Mufazalov
- Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg-University of Mainz, Langenbeckstrasse 1, Building 308A, 55131, Mainz, Germany
| | - Neil E Humphreys
- Faculty of Biology, Medicine and Health, University of Manchester, AV Hill Building, Oxford Road, Manchester, M13 9PT, United Kingdom
- Epigenetics and Neurobiology Unit, Adriano Buzzati-Traverso Campus, EMBL-Rome, Via Ramarini, 3200015, Monterotondo, RM, Italy
| | - Maj Simonsen-Jackson
- Faculty of Biology, Medicine and Health, University of Manchester, AV Hill Building, Oxford Road, Manchester, M13 9PT, United Kingdom
| | - Sheila Francis
- Department of Infection, Immunity & Cardiovascular Disease, Medical School, University of Sheffield, S10 2RX, Sheffield, United Kingdom
| | - Werner Müller
- Faculty of Biology, Medicine and Health, University of Manchester, AV Hill Building, Oxford Road, Manchester, M13 9PT, United Kingdom
| | - Ari Waisman
- Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg-University of Mainz, Langenbeckstrasse 1, Building 308A, 55131, Mainz, Germany
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22
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Warma A, Descarreaux M, Chorfi Y, Dupras R, Rémillard R, Ndiaye K. Interleukins' expression profile changes in granulosa cells of preovulatory follicles during the postpartum period in dairy cows. Cytokine X 2020; 2:100022. [PMID: 33604553 PMCID: PMC7885866 DOI: 10.1016/j.cytox.2020.100022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 12/11/2022] Open
Abstract
Interleukin (IL) 4 expression was significantly altered during the postpartum period. IL8 and IL15 were the most significantly induced during the postpartum period. Correlation between increased BHB levels and induction of proinflammatory cytokines. Interleukins analyzed were differentially regulated during follicular development. ILs induced during the post-partum period were also induced 24 h post-hCG injection.
The postpartum period in dairy cows is associated with a state of temporary negative energy balance and could induce functional changes into ovarian granulosa cells (GC) resulting in significant impact on the ovarian function and fertility. Yet, the regulation of interleukin receptors (ILRs) in GC as well as ILs expression profile during the postpartum period have not been fully investigated. We hypothesized that the postpartum period is associated with changes in ILs expression profile that could affect follicular development and ovulation rate. First, we aimed to investigate the expression and regulation of different IL and IL receptors in GC at different stages of follicular development and then analyse the changes in target ILs expression profile induced during the postpartum period. In the first objective, normal cycling cows were selected and GC were collected from small follicles (SF), dominant follicles at day 5 of the estrous cycle (DF), and ovulatory follicles, 24 h following hCG injection (OF). In the second objective, dairy cows between 50 and 70 days postpartum were randomly selected, and β-hydroxybutyrate (BHB) concentrations were measured in blood samples in order to assign cows to the BHB+ group (>1.4 mmol/L) or BHB− group (<1.2 mmol/L). GC were collected from preovulatory follicles by transvaginal aspiration. Total RNA was extracted from GC of all groups for analysis of target ILs and ILRs expression. Steady-state mRNA levels of IL4R was strongest in the DF, while IL15R expression was greatest in the OF, and IL21R showed increased steady-state mRNA levels in the corpus luteum as compared to the different groups of follicles. Overall, expression of IL1A, IL1B, IL8, IL15, IL23 and TNFα was stronger in OF as compared to DF, while IL4 and IL10 expression was stronger in SF than in DF. Similarly, expression of IL1A, IL1B, IL8, IL15, IL23, and TNFα were significantly stronger in GC of BHB+ cows than in the control, while IL4 expression was significantly reduced in BHB+ as compared to control cows. We have established an IL expression profile, which suggest a correlation with BHB levels during the postpartum period. Additionally, we have demonstrated a differential regulation of target ILRs in GC at different stages of follicular development. Overall, these data provide a better understanding of the changes that could affect follicular development and ovulation during the postpartum period and lay the ground for further investigations.
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Affiliation(s)
- Aly Warma
- Centre de recherche en reproduction et fertilité, Département de biomédecine vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec J2S 2M2, Canada
| | - Marianne Descarreaux
- Centre de recherche en reproduction et fertilité, Département de biomédecine vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec J2S 2M2, Canada
| | - Younes Chorfi
- Centre de recherche en reproduction et fertilité, Département de biomédecine vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec J2S 2M2, Canada
| | - Raynald Dupras
- MediVet, Clinique vétérinaire Centre-du-Québec Inc., Notre-Dame-du-Bon-Conseil, Québec J0C 1A0, Canada
| | - Roxane Rémillard
- MediVet, Clinique vétérinaire Centre-du-Québec Inc., Notre-Dame-du-Bon-Conseil, Québec J0C 1A0, Canada
| | - Kalidou Ndiaye
- Centre de recherche en reproduction et fertilité, Département de biomédecine vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec J2S 2M2, Canada
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23
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Fox CW, Zhang L, Sohni A, Doblado M, Wilkinson MF, Chang RJ, Duleba AJ. Inflammatory Stimuli Trigger Increased Androgen Production and Shifts in Gene Expression in Theca-Interstitial Cells. Endocrinology 2019; 160:2946-2958. [PMID: 31599939 PMCID: PMC6855291 DOI: 10.1210/en.2019-00588] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 09/27/2019] [Indexed: 12/16/2022]
Abstract
Polycystic ovary syndrome (PCOS) is a common reproductive endocrine disorder characterized by theca cell hyperplasia and excessive androgen production. An increasing body of evidence has pointed to a close association between PCOS and low-grade chronic systemic inflammation. However, the mechanistic basis for this linkage is unknown. Therefore, we evaluated the effects of the inflammatory agents lipopolysaccharide (LPS) and IL-1β on rat theca-interstitial cells (TICs). We found that incubation with either LPS or IL-1β elicited a dose-dependent increase in both TIC viability and androgen production. Using RNA sequencing analysis, we found that both of these inflammatory agents also triggered profound and widespread shifts in gene expression. Using a stringent statistical cutoff, LPS and IL-1β elicited differential expression of 5201 and 5953 genes, respectively. Among the genes upregulated by both LPS and IL-1β were key regulatory genes involved in the cholesterol and androgen biosynthesis pathways, including Cyp17a1, Cyp11a1, Hsd3b, and Hmgcr. This provides a molecular explanation for the mechanism of action of inflammatory agents leading to increased androgen production. Gene ontology and pathway analysis revealed that both LPS and IL-1β regulated genes highly enriched for many common functions, including the immune response and apoptosis. However, a large number of genes (n = 2222) were also uniquely regulated by LPS and IL-1β, indicating that these inflammatory mediators have substantial differences in their mechanism of action. Together, these findings highlight the potential molecular mechanisms through which chronic low-grade inflammation contributes to the pathogenesis of androgen excess in PCOS.
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Affiliation(s)
- Chelsea W Fox
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, La Jolla, California
| | - Lingzhi Zhang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, La Jolla, California
| | - Abhishek Sohni
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, La Jolla, California
| | - Manuel Doblado
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, La Jolla, California
| | - Miles F Wilkinson
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, La Jolla, California
| | - R Jeffrey Chang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, La Jolla, California
| | - Antoni J Duleba
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, La Jolla, California
- Correspondence: Antoni J. Duleba, MD, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, School of Medicine, 9500 Gilman Drive, 0633, La Jolla, California 92093. E-mail:
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Immunological microenvironment alterations in follicles of women with proven severe endometriosis undergoing in vitro fertilization. Mol Biol Rep 2019; 46:4675-4684. [PMID: 31529342 DOI: 10.1007/s11033-019-04753-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 03/08/2019] [Indexed: 10/26/2022]
Abstract
The purpose of this study was to test the hypothesis that different cytokine profiles may exist in the follicular fluid of endometriosis (EM) patients undergoing in vitro fertilization (IVF), as these differences may provide insights into the pathogenesis of the disease. This was a cross-sectional study conducted at the reproductive center of a medical university hospital. The study included 49 patients receiving IVF. 20 infertile women with proven EM and 29 women without diagnosed EM (control group) were evaluated. Follicular fluid (FF) and serum were collected at the time of follicle aspiration and the concentrations of 38 cytokines were determined by multiplexed immunoassay. The results indicated that the levels of IL-4, IL-13, IL-3 and IL-1α were significantly increased in the FF of women with EM, while levels of IFN-γ, IL-17A, MDC and MIP-1α were decreased compared with in the control subjects. In conclusions, the immune microenvironment of the FF in patients with EM is altered. This may contribute to the pathologic mechanism responsible for the poor outcome of IVF in patients with EM.
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25
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Duffy DM, Ko C, Jo M, Brannstrom M, Curry TE. Ovulation: Parallels With Inflammatory Processes. Endocr Rev 2019; 40:369-416. [PMID: 30496379 PMCID: PMC6405411 DOI: 10.1210/er.2018-00075] [Citation(s) in RCA: 233] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 11/18/2018] [Indexed: 12/14/2022]
Abstract
The midcycle surge of LH sets in motion interconnected networks of signaling cascades to bring about rupture of the follicle and release of the oocyte during ovulation. Many mediators of these LH-induced signaling cascades are associated with inflammation, leading to the postulate that ovulation is similar to an inflammatory response. First responders to the LH surge are granulosa and theca cells, which produce steroids, prostaglandins, chemokines, and cytokines, which are also mediators of inflammatory processes. These mediators, in turn, activate both nonimmune ovarian cells as well as resident immune cells within the ovary; additional immune cells are also attracted to the ovary. Collectively, these cells regulate proteolytic pathways to reorganize the follicular stroma, disrupt the granulosa cell basal lamina, and facilitate invasion of vascular endothelial cells. LH-induced mediators initiate cumulus expansion and cumulus oocyte complex detachment, whereas the follicular apex undergoes extensive extracellular matrix remodeling and a loss of the surface epithelium. The remainder of the follicle undergoes rapid angiogenesis and functional differentiation of granulosa and theca cells. Ultimately, these functional and structural changes culminate in follicular rupture and oocyte release. Throughout the ovulatory process, the importance of inflammatory responses is highlighted by the commonalities and similarities between many of these events associated with ovulation and inflammation. However, ovulation includes processes that are distinct from inflammation, such as regulation of steroid action, oocyte maturation, and the eventual release of the oocyte. This review focuses on the commonalities between inflammatory responses and the process of ovulation.
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Affiliation(s)
- Diane M Duffy
- Department of Physiological Sciences, Eastern Virginia Medical School, Norfolk, Virginia
| | - CheMyong Ko
- Department of Comparative Biosciences, University of Illinois Urbana Champaign, Urbana, Illinois
| | - Misung Jo
- Department of Obstetrics and Gynecology, University of Kentucky, Lexington, Kentucky
| | - Mats Brannstrom
- Department of Obstetrics and Gynecology, University of Gothenburg, Gothenburg, Sweden.,Stockholm IVF, Stockholm, Sweden
| | - Thomas E Curry
- Department of Obstetrics and Gynecology, University of Kentucky, Lexington, Kentucky
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Gérard N, Robin E. Cellular and molecular mechanisms of the preovulatory follicle differenciation and ovulation: What do we know in the mare relative to other species. Theriogenology 2019; 130:163-176. [PMID: 30921545 DOI: 10.1016/j.theriogenology.2019.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 02/19/2019] [Accepted: 03/14/2019] [Indexed: 02/06/2023]
Abstract
Terminal follicular differentiation and ovulation are essential steps of reproduction. They are induced by the increase in circulating LH, and lead to the expulsion from the ovary of oocytes ready to be fertilized. This review summarizes our current understanding of cellular and molecular pathways that control ovulation using a broad mammalian literature, with a specific focus to the mare, which is unique in some aspects of ovarian function in some cases. Essential steps and key factors are approached. The first part of this review concerns LH, receptors and signaling, addressing the description of the equine gonadotropin and cloning, signaling pathways that are activated following the binding of LH to its receptors, and implication of transcription factors which better known are CCAAT-enhancer-binding proteins (CEBP) and cAMP response element-binding protein (CREB). The second and major part is devoted to the cellular and molecular actors within follicular cells during preovulatory maturation. We relate to 1) molecules involved in vascular permeability and vasoconstriction, 2) involvement of neuropeptides, such as kisspeptin, neurotrophins and neuronal growth factor, neuropeptide Y (NPY), 3) the modification of steroidogenesis, steroids intrafollicular levels and enzymes activity, 4) the local inflammation, with the increase in prostaglandins synthesis, and implication of leukotrienes, cytokines and glucocorticoids, 5) extracellular matrix remodelling with involvement of proteases, antiproteases and inhibitors, as well as relaxin, and finaly 6) the implication of oxytocine, osteopontin, growth factors and reactive oxygen species. The third part describes our current knowledge on molecular aspect of in vivo cumulus-oocyte-complexe maturation, with a specific focus on signaling pathways, paracrine factors, and intracellular regulations that occur in cumulus cells during expansion, and in the oocyte during nuclear and cytoplasmic meiosis resumption. Our aim was to give an overall and comprehensive map of the regulatory mechanisms that intervene within the preovulatory follicle during differentiation and ovulation.
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Affiliation(s)
- Nadine Gérard
- PRC, INRA, CNRS, IFCE, Université de Tours, 37380, Nouzilly, France.
| | - Elodie Robin
- PRC, INRA, CNRS, IFCE, Université de Tours, 37380, Nouzilly, France
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Somigliana E, Viganò P, Benaglia L, Busnelli A, Paffoni A, Vercellini P. Ovarian stimulation and endometriosis progression or recurrence: a systematic review. Reprod Biomed Online 2019; 38:185-194. [DOI: 10.1016/j.rbmo.2018.11.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 07/27/2018] [Accepted: 11/12/2018] [Indexed: 12/21/2022]
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El-Domany WB, Radwan HA, Ateya AI, Ramadan HH, Marghani BH, Nasr SM. Genetic Polymorphisms in LTF/EcoRI and TLR4/AluI loci as candidates for milk and reproductive performance assessment in Holstein cattle. Reprod Domest Anim 2019; 54:678-686. [PMID: 30663809 DOI: 10.1111/rda.13408] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 01/14/2019] [Indexed: 11/29/2022]
Abstract
The aim of this study was to explore the genetic polymorphisms in LTF/EcoRI and TLR4/AluI loci and their association with milk and reproductive performance in Holstein cattle. A randomly selected 800 Holstein dairy cows from two dairy farms (400 animals each) in Egypt were used. Based on the two farm records, association between LTF/EcoRI genotypes and milk performance traits (order of lactation, daily milk yield, days in milk, corrected milk at 305 day and dry period) was carried out. Meanwhile, exploring of TLR4/AluI genotypes effect was done on data for reproductive performance (age at first freshening, calving interval, number of services per conception, ovarian rebound and days open). DNA was extracted from blood samples collected from Holstein dairy cows of the both farms and restriction analysis of 301-bp PCR products of LTF gene revealed two genotypes: AA genotype (301 bp) and AB genotype (301, 201 and 100 bp). Meanwhile, restriction analysis of 382-bp PCR products of TLR4 gene digested with AluI yielded two alleles (A and B) and three genotypes (AA, AB and BB). The A allele was indicated by two bands at 300 and 82 bp, and the B allele resulted in three fragments of 160, 140 and 82 bp. There was a significant association (p ≤ 0.05) between LTF genotypes and milk performance traits except for days in milk. The TLR4 genotypes had significant effects (p ≤ 0.05) on age at first freshening, calving interval, number of services per conception, ovarian rebound and days open. Ordinal logistic regression statistical model also revealed that it is possible to calculate high reproductive performance traits and to predict favourable dairy cows based on LTF and TLR4 genotypes. This research reveals the effectiveness of LTF/EcoRI and TLR4/AluI loci as candidates for reproductive performance assessment in Holstein cattle.
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Affiliation(s)
- Wael B El-Domany
- Department of Theriogenology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Hend A Radwan
- Department of Animal Husbandry and Wealth Development, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Ahmed I Ateya
- Department of Animal Husbandry and Wealth Development, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Hazem H Ramadan
- Department of Hygiene and Zoonoses, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Basma H Marghani
- Department of Physiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Sherif M Nasr
- Department of Animal Husbandry and Wealth Development, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
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29
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Bapayeva G, Poddighe D, Terzic S, Zhumadilova A, Kulbayeva S, Terzic M. Organochlorine pesticides exposure in female adolescents: potential impact on sexual hormones and interleukin-1 levels. Immunol Res 2018; 66:756-760. [PMID: 30519792 DOI: 10.1007/s12026-018-9049-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The objective of this study was to assess the potential impact of organochlorine pesticides (OCPs) on IL-1 axis in exposed female adolescents through an observational cross-sectional study. The study was conducted in Sary-Agach District (OCPs exposed girls) and Sairam District (OCPs unexposed controls), South Kazakhstan. The study included 524 female adolescents aged 10-17 years (OCPs exposed, n = 253; OCPs unexposed, n = 271). The main outcome was assessment of OCPs blood levels (correlating to pubertal development and sexual hormonal status) and IL-1 levels. The delayed sexual development and the hormonal profile in OCPs exposed female adolescents correlated to the blood levels of OCPs. Interestingly, serum IL-1α and IL-1β in girls living in contaminated areas correlated to OCPs blood levels as well. Both OCPs and IL-1 blood levels in exposed female adolescents resulted to be increased, but further research is required to establish if that might represent an additional factor contributing to puberty disorders and/or reproductive health issues.
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Affiliation(s)
- Gauri Bapayeva
- Department of Obstetrics and Gynecology, National Research Center of Mother and Child Health, University Medical Center, 32 Turan Avenue, Astana, 010000, Kazakhstan
| | - Dimitri Poddighe
- Department of Medicine, Nazarbayev University School of Medicine, 5/1 Kerey and Zhanibek Khans str., Astana, 010000, Kazakhstan.
| | - Sanja Terzic
- Department of Medicine, Nazarbayev University School of Medicine, 5/1 Kerey and Zhanibek Khans str., Astana, 010000, Kazakhstan
| | - Akmaral Zhumadilova
- Department of Hygiene and Epidemiology, South Kazakhstan Medical Academy, Al-Farabi Square, 1, Shimkent, 160019, Kazakhstan
| | - Saltanat Kulbayeva
- Department of Obstetrics and Gynecology, South Kazakhstan Medical Academy, Al-Farabi Square, 1, Shimkent, 160019, Kazakhstan
| | - Milan Terzic
- Department of Obstetrics and Gynecology, National Research Center of Mother and Child Health, University Medical Center, 32 Turan Avenue, Astana, 010000, Kazakhstan.,Department of Medicine, Nazarbayev University School of Medicine, 5/1 Kerey and Zhanibek Khans str., Astana, 010000, Kazakhstan
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Dickson MJ, Hager CL, Al-Shaibi A, Thomas PQ, Baumgard LH, Ross JW, Keating AF. Impact of heat stress during the follicular phase on porcine ovarian steroidogenic and phosphatidylinositol-3 signaling. J Anim Sci 2018; 96:2162-2174. [PMID: 29684161 DOI: 10.1093/jas/sky144] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Environmental conditions that impede heat dissipation and increase body temperature cause heat stress (HS). The study objective was to evaluate impacts of HS on the follicular phase of the estrous cycle. Postpubertal gilts (126.0 ± 21.6 kg) were orally administered altrenogest to synchronize estrus, and subjected to either 5 d of thermal-neutral (TN; 20.3 ± 0.5 °C; n = 6) or cyclical HS (25.4 - 31.9 °C; n = 6) conditions during the follicular phase preceding behavioral estrus. On d 5, blood samples were obtained, gilts were euthanized, and ovaries collected. Fluid from dominant follicles was aspirated and ovarian protein homogenates prepared for protein abundance analysis. HS decreased feed intake (22%; P = 0.03) and while plasma insulin levels did not differ, the insulin:feed intake ratio was increased 3-fold by HS (P = 0.02). Insulin receptor protein abundance was increased (29%; P < 0.01), but insulin receptor substrate 1, total and phosphorylated protein kinase B, superoxide dismutase 1, and acyloxyacyl hydrolase protein abundance were unaffected by HS (P > 0.05). Plasma and follicular fluid 17β-estradiol, progesterone, and lipopolysaccharide-binding protein concentrations as well as abundance of steroid acute regulatory protein, cytochrome P450 19A1, and multidrug resistance-associated protein 1 were not affected by HS (P > 0.05). HS increased estrogen sulfotransferase protein abundance (44%; P = 0.02), toll-like receptor 4 (36%; P = 0.05), and phosphorylated REL-associated protein (31%; P = 0.02). Regardless of treatment, toll-like receptor 4 protein was localized to mural granulosa cells in the porcine ovary. In conclusion, HS altered ovarian signaling in postpubertal gilts during their follicular phase in ways that likely contributes to seasonal infertility.
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Affiliation(s)
| | - Candice L Hager
- Iowa State University Department of Animal Science, Ames, IA
| | - Ahmad Al-Shaibi
- Iowa State University Department of Animal Science, Ames, IA
| | - Porsha Q Thomas
- Iowa State University Department of Animal Science, Ames, IA
| | | | - Jason W Ross
- Iowa State University Department of Animal Science, Ames, IA
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Paulino LRFM, Cunha EV, Barbalho Silva AW, Souza GB, Lopes EPF, Donato MAM, Peixoto CA, Matos-Brito BG, van den Hurk R, Silva JRV. Effects of tumour necrosis factor-alpha and interleukin-1 beta on in vitro development of bovine secondary follicles. Reprod Domest Anim 2018; 53:997-1005. [DOI: 10.1111/rda.13199] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 08/30/2017] [Accepted: 04/02/2018] [Indexed: 11/29/2022]
Affiliation(s)
| | - Ellen V. Cunha
- Biotechnology Nucleus of Sobral - NUBIS; Federal University of Ceara; Sobral Brazil
| | | | - Glaucinete B. Souza
- Biotechnology Nucleus of Sobral - NUBIS; Federal University of Ceara; Sobral Brazil
| | - Ewerton P. F. Lopes
- Biotechnology Nucleus of Sobral - NUBIS; Federal University of Ceara; Sobral Brazil
| | | | | | - Bruno G. Matos-Brito
- Biotechnology Nucleus of Sobral - NUBIS; Federal University of Ceara; Sobral Brazil
| | - Robert van den Hurk
- Department of Pathobiology; Faculty of Veterinary; Utrecht University; Utrecht The Netherlands
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32
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Vitamin D deficiency and high serum IL-6 concentration as risk factors for tubal factor infertility in Chinese women. Nutrition 2018; 49:24-31. [DOI: 10.1016/j.nut.2017.11.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 11/21/2017] [Accepted: 11/27/2017] [Indexed: 12/11/2022]
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33
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Takahashi T, Hagiwara A, Ogiwara K. Prostaglandins in teleost ovulation: A review of the roles with a view to comparison with prostaglandins in mammalian ovulation. Mol Cell Endocrinol 2018; 461:236-247. [PMID: 28919301 DOI: 10.1016/j.mce.2017.09.019] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 09/01/2017] [Accepted: 09/13/2017] [Indexed: 12/20/2022]
Abstract
Prostaglandins are well known to be central regulators of vertebrate ovulation. Studies addressing the role of prostaglandins in mammalian ovulation have established that they are involved in the processes of oocyte maturation and cumulus oocyte complex expansion. In contrast, despite the first indication of the role of prostaglandins in teleost ovulation appearing 40 years ago, the mechanistic background of their role has long been unknown. However, studies conducted on medaka over the past decade have provided valuable information. Emerging evidence indicates an indispensable role of prostaglandin E2 and its receptor subtype Ptger4b in the process of follicle rupture. In this review, we summarize studies addressing the role of prostaglandins in teleost ovulation and describe recent advances. To help understand differences from and similarities to ovulation in mammalian species, the findings on the roles of prostaglandins in mammalian ovulation are discussed in parallel.
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Affiliation(s)
- Takayuki Takahashi
- Laboratory of Reproductive and Developmental Biology, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan.
| | - Akane Hagiwara
- Laboratory of Reproductive and Developmental Biology, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Katsueki Ogiwara
- Laboratory of Reproductive and Developmental Biology, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
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Lussier JG, Diouf MN, Lévesque V, Sirois J, Ndiaye K. Gene expression profiling of upregulated mRNAs in granulosa cells of bovine ovulatory follicles following stimulation with hCG. Reprod Biol Endocrinol 2017; 15:88. [PMID: 29100496 PMCID: PMC5670713 DOI: 10.1186/s12958-017-0306-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 10/16/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Ovulation and luteinization of follicles are complex biological processes initiated by the preovulatory luteinizing hormone surge. The objective of this study was to identify genes that are differentially expressed in bovine granulosa cells (GC) of ovulatory follicles. METHODS Granulosa cells were collected during the first follicular wave of the bovine estrous cycle from dominant follicles (DF) and from ovulatory follicles (OF) obtained 24 h following injection of human chorionic gonadotropin (hCG). A granulosa cell subtracted cDNA library (OF-DF) was generated using suppression subtractive hybridization and screened. RESULTS Detection of genes known to be upregulated in bovine GC during ovulation, such as ADAMTS1, CAV1, EGR1, MMP1, PLAT, PLA2G4A, PTGES, PTGS2, RGS2, TIMP1, TNFAIP6 and VNN2 validated the physiological model and analytical techniques used. For a subset of genes that were identified for the first time, gene expression profiles were further compared by semiquantitative RT-PCR in follicles obtained at different developmental stages. Results confirmed an induction or upregulation of the respective mRNAs in GC of OF 24 h after hCG-injection compared with those of DF for the following genes: ADAMTS9, ARAF, CAPN2, CRISPLD2, FKBP5, GFPT2, KIT, KITLG, L3MBLT3, MRO, NUDT10, NUDT11, P4HA3, POSTN, PSAP, RBP1, SAT1, SDC4, TIMP2, TNC and USP53. In bovine GC, CRISPLD2 and POSTN mRNA were found as full-length transcript whereas L3MBLT3 mRNA was alternatively spliced resulting in a truncated protein missing the carboxy-terminal end amino acids, 774KNSHNEL780. Conversely, L3MBLT3 is expressed as a full-length mRNA in a bovine endometrial cell line. The 774KNSHNEL780 sequence is well conserved in all mammalian species and follows a SAM domain known to confer protein/protein interactions, which suggest a key function for these amino acids in the epigenetic control of gene expression. CONCLUSIONS We conclude that we have identified novel genes that are upregulated by hCG in bovine GC of OF, thereby providing novel insight into peri-ovulatory regulation of genes that contribute to ovulation and/or luteinization processes.
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Affiliation(s)
- Jacques G Lussier
- Centre de recherche en reproduction et fertilité, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, Québec, J2S 2M2, Canada.
| | - Mame N Diouf
- Centre de recherche en reproduction et fertilité, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, Québec, J2S 2M2, Canada
- Institut Sénégalais de Recherches Agricoles (ISRA) Laboratoire National de l'Elevage et de Recherches Vétérinaires (LNERV), BP 2057, Dakar-Hann, Sénégal
| | - Valérie Lévesque
- Centre de recherche en reproduction et fertilité, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, Québec, J2S 2M2, Canada
| | - Jean Sirois
- Centre de recherche en reproduction et fertilité, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, Québec, J2S 2M2, Canada
| | - Kalidou Ndiaye
- Centre de recherche en reproduction et fertilité, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, Québec, J2S 2M2, Canada
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Urzua U, Chacon C, Lizama L, Sarmiento S, Villalobos P, Kroxato B, Marcelain K, Gonzalez MJ. Parity History Determines a Systemic Inflammatory Response to Spread of Ovarian Cancer in Naturally Aged Mice. Aging Dis 2017; 8:546-557. [PMID: 28966800 PMCID: PMC5614320 DOI: 10.14336/ad.2017.0110] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 01/10/2017] [Indexed: 01/09/2023] Open
Abstract
Aging intersects with reproductive senescence in women by promoting a systemic low-grade chronic inflammation that predisposes women to several diseases including ovarian cancer (OC). OC risk at menopause is significantly modified by parity records during prior fertile life. To date, the combined effects of age and parity on the systemic inflammation markers that are particularly relevant to OC initiation and progression at menopause remain largely unknown. Herein, we profiled a panel of circulating cytokines in multiparous versus virgin C57BL/6 female mice at peri-estropausal age and investigated how cytokine levels were modulated by intraperitoneal tumor induction in a syngeneic immunocompetent OC mouse model. Serum FSH, LH and TSH levels increased with age in both groups while prolactin (PRL) was lower in multiparous respect to virgin mice, a finding previously observed in parous women. Serum CCL2, IL-10, IL-5, IL-4, TNF-α, IL1-β and IL-12p70 levels increased with age irrespective of parity status, but were specifically reduced following OC tumor induction only in multiparous mice. Animals developed hemorrhagic ascites and tumor implants in the omental fat band and other intraperitoneal organs by 12 weeks after induction, with multiparous mice showing a significantly extended survival. We conclude that previous parity history counteracts aging-associated systemic inflammation possibly by reducing the immunosuppression that typically allows tumor spread. Results suggest a partial impairment of the M2 shift in tumor-associated macrophages as well as decreased stimulation of regulatory B-cells in aged mice. This long term, tumor-concurrent effect of parity on inflammation markers at menopause would be a contributing factor leading to decreased OC risk.
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Affiliation(s)
- Ulises Urzua
- 1Laboratorio de Genómica Aplicada, Facultad de Medicina, Universidad de Chile.,4Programa de Biología Celular y Molecular, ICBM.,5Departamento de Oncología Básica y Clínica, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Carlos Chacon
- 1Laboratorio de Genómica Aplicada, Facultad de Medicina, Universidad de Chile
| | | | - Sebastián Sarmiento
- 1Laboratorio de Genómica Aplicada, Facultad de Medicina, Universidad de Chile
| | - Pía Villalobos
- 1Laboratorio de Genómica Aplicada, Facultad de Medicina, Universidad de Chile
| | - Belén Kroxato
- 1Laboratorio de Genómica Aplicada, Facultad de Medicina, Universidad de Chile
| | - Katherine Marcelain
- 3Programa de Genética Humana, ICBM.,5Departamento de Oncología Básica y Clínica, Facultad de Medicina, Universidad de Chile, Santiago, Chile
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Dang X, Zhu Q, He Y, Wang Y, Lu Y, Li X, Qi J, Wu H, Sun Y. IL-1β Upregulates StAR and Progesterone Production Through the ERK1/2- and p38-Mediated CREB Signaling Pathways in Human Granulosa-Lutein Cells. Endocrinology 2017. [PMID: 28651331 DOI: 10.1210/en.2017-00029] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The proinflammatory cytokine interleukin-1β (IL-1β) may be involved in several ovulation-associated events, such as protease synthesis, prostaglandin production, and steroidogenesis in granulosa cells. However, the exact effect of IL-1β on progesterone synthesis in granulosa cells and the underlying mechanism remain unclear. By using cultured granulosa-lutein cells collected from women undergoing in vitro fertilization or intracytoplasmic sperm injection, we found that IL-1β upregulated steroidogenic acute regulatory protein (StAR) expression and progesterone synthesis in granulosa-lutein cells, which was comparable with luteinizing hormone effect and could be abolished by an IL-1 receptor antagonist. Moreover, IL-1β activated the phosphorylation of cyclic adenosine monophosphate response element-binding protein (CREB), and knockdown of CREB attenuated the induction of StAR expression and progesterone synthesis by IL-1β in granulosa-lutein cells. Furthermore, IL-1β activated the extracellular signal-regulated kinase (ERK)1/2 and p38 pathways and inhibition of the ERK1/2 and p38 pathways attenuated the IL-1β-induced phosphorylation of CREB, StAR expression, and progesterone synthesis in granulosa-lutein cells. In conclusion, IL-1β could upregulate StAR expression and stimulate progesterone biosynthesis through increase in CREB phosphorylation via activating the ERK1/2 and p38 pathways in human granulosa-lutein cells.
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Affiliation(s)
- Xuan Dang
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Qinling Zhu
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Yaqiong He
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Yuan Wang
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Yao Lu
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Xiaoxue Li
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Jia Qi
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Hasiximuke Wu
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
| | - Yun Sun
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai 200135, People's Republic of China
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Effects of rumen-protected methionine and choline supplementation on steroidogenic potential of the first postpartum dominant follicle and expression of immune mediators in Holstein cows. Theriogenology 2017; 96:1-9. [DOI: 10.1016/j.theriogenology.2017.03.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 03/17/2017] [Accepted: 03/22/2017] [Indexed: 11/23/2022]
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38
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Martyniak M, Franczak A, Kotwica G. Interleukin-1 β system in the oviducts of pigs during the oestrous cycle and early pregnancy. Theriogenology 2017; 96:31-41. [DOI: 10.1016/j.theriogenology.2017.03.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 03/03/2017] [Accepted: 03/23/2017] [Indexed: 02/04/2023]
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39
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Stassi AF, Baravalle ME, Belotti EM, Rey F, Gareis NC, Díaz PU, Rodríguez FM, Leiva CJ, Ortega HH, Salvetti NR. Altered expression of cytokines IL-1α, IL-6, IL-8 and TNF-α in bovine follicular persistence. Theriogenology 2017; 97:104-112. [PMID: 28583593 DOI: 10.1016/j.theriogenology.2017.04.033] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 03/21/2017] [Accepted: 04/22/2017] [Indexed: 12/11/2022]
Abstract
In dairy cattle, cystic ovarian disease (COD) is an important cause of subfertility, and two of the main signs are ovulation failure and follicular persistence. The aim of this study was to examine the expression of the cytokines IL-1α, IL-6, IL-8 and TNF-α in ovarian follicular structures at different times of persistence in a model of follicular persistence induced by prolonged treatment with progesterone in dairy cows. Protein expression of IL-1α, IL-6, IL-8 and TNF-α was evaluated by immunohistochemistry. Additionally, IL-6 concentration in follicular fluid and serum was determined by ELISA. IL-1α, IL-6, IL-8 and TNF-α expression was increased in follicles with different persistence times in relation to the control dominant follicles, in granulosa cells. For IL-6, IL-8 and TNF-α, this increase was detected early (P0: expected time of ovulation and/or P5: 5 days of follicular persistence). Additionally, theca cells showed an increase in IL-6 in antral (groups P10 and P15) and persistent follicles (group P10) related to dominant follicles from the control group (p < 0.05). Serum concentration of IL-6 was higher in groups P5, P10 and P15 than in control cows (p < 0.05). The results show evidence that early development of COD in cows is concurrent with altered expression of these cytokines in different ovarian follicular structures and may contribute to the follicular persistence and endocrine changes found in cattle with follicular cysts.
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Affiliation(s)
- A F Stassi
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - M E Baravalle
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - E M Belotti
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - F Rey
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - N C Gareis
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - P U Díaz
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - F M Rodríguez
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - C J Leiva
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - H H Ortega
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina
| | - N R Salvetti
- Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Esperanza, Santa Fe, Argentina.
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Uri-Belapolsky S, Miller I, Shaish A, Levi M, Harats D, Ninio-Many L, Kamari Y, Shalgi R. Interleukin 1-alpha deficiency increases the expression of Follicle-stimulating hormone receptors in granulosa cells. Mol Reprod Dev 2017; 84:460-467. [PMID: 28337831 DOI: 10.1002/mrd.22799] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 03/05/2017] [Indexed: 01/15/2023]
Abstract
Follicle-stimulating hormone receptor (FSHR) is a pivotal regulator of ovarian response to hormonal stimulation. Inflammatory conditions have been linked to lower FSHR expression in granulosa cells (GCs) as well as an attenuated response to hormonal stimulation. The current study aimed to reveal if deficiency and/or blockage of the pro-inflammatory cytokine interleukin 1-alpha (IL1A) increased Fshr expression in rodent GCs. We found elevated Fshr transcript abundance, as assessed by quantitative PCR, in primary GCs isolated from Il1a-knockout compared to wild-type mice, and that the expression of FSHR is significantly higher in Il1a-knockout compared to wild-type ovaries. Supplementing GC cultures with recombinant IL1A significantly lowered Fshr expression in these cells. In accordance with the Fshr expression pattern, proliferation of GCs was higher in follicles from Il1a-knockout mice compared to wild-type mice, as indicated by the MKI67 immunohistochemical staining. Furthermore, treating wild-type mice with anakinra, an IL1 receptor 1 antagonist, significantly increased the expression of Fshr in primary GCs from treated compared to control mice. These data highlight an important interdependency between the potent pro-inflammatory cytokine IL1A and Fshr expression.
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Affiliation(s)
- Shiri Uri-Belapolsky
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.,The Bert W. Strassburger Lipid Center, Sheba Medical Center, Tel-Hashomer, Israel
| | - Irit Miller
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Aviv Shaish
- The Bert W. Strassburger Lipid Center, Sheba Medical Center, Tel-Hashomer, Israel
| | - Mattan Levi
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Dror Harats
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.,The Bert W. Strassburger Lipid Center, Sheba Medical Center, Tel-Hashomer, Israel
| | - Lihi Ninio-Many
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Yehuda Kamari
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.,The Bert W. Strassburger Lipid Center, Sheba Medical Center, Tel-Hashomer, Israel
| | - Ruth Shalgi
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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Salmassi A, Fattahi A, Nouri M, Hedderich J, Schmutzler AG. Expression of mRNA and protein of IL-18 and its receptor in human follicular granulosa cells. J Endocrinol Invest 2017; 40:447-454. [PMID: 27914037 DOI: 10.1007/s40618-016-0590-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 11/25/2016] [Indexed: 12/18/2022]
Abstract
PURPOSE There is no information available about the IL-18 receptor in ovarian follicles, so the present study attempts to demonstrate the expression of IL-18 and its receptor in human granulosa cells (GCs). METHODS To evaluate the concentration of IL-18 in serum and follicular fluid (FF), we collected serum and FF from 102 women undergoing oocyte retrieval. Also, to detect expression of IL-18 and its receptor by luteinized GCs, these cells were pooled six times from a total of twenty individual patients with 5-16 follicles each. The IL-18 concentration was determined by ELISA and the expression of IL-18 and its receptor by immunocytochemistry and reverse transcription polymerase chain reaction. RESULTS Our results showed that the median IL-18 concentration in serum, 159.27 pg/ml (IQR 121.41-210.1), was significantly higher than in FF, 142.1 pg/ml (IQR 95.7-176.5), p < 0.001. Moreover, we found that IL-18 and its receptor are expressed by GCs. CONCLUSION The presence of IL-18 in FF and the expression of IL-18 and its receptor by GCs suggest an important role for this cytokine in ovarian function.
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Affiliation(s)
- A Salmassi
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Gynaecology and Obstetrics, Center for Reproductive Medicine, Women's Hospital, University Hospitals Schleswig-Holstein, Christian-Albrechts-University, Campus Kiel, Arnold-Heller Str. 3, House 24, 24105, Kiel, Germany.
| | - A Fattahi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - M Nouri
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - J Hedderich
- Institute of Medical Informatics and Statistics, University of Kiel, Kiel, Germany
| | - A G Schmutzler
- Department of Gynaecology and Obstetrics, Center for Reproductive Medicine, Women's Hospital, University Hospitals Schleswig-Holstein, Christian-Albrechts-University, Campus Kiel, Arnold-Heller Str. 3, House 24, 24105, Kiel, Germany
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Zangeneh FZ, Naghizadeh MM, Bagheri M, Jafarabadi M. Are CRH & NGF as psychoneuroimmune regulators in women with polycystic ovary syndrome? Gynecol Endocrinol 2017; 33:227-233. [PMID: 27908212 DOI: 10.1080/09513590.2016.1250152] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
PURPOSE Polycystic ovary syndrome (PCOS) affects quality of life and can worsen anxiety and depression either due to the features of PCOS or due to the diagnosis of a chronic disease. Corticotrophin-releasing hormone (CRH) and nerves growth factor (NGF) are the modulator for the actions of the sympathetic nervous and immune systems. METHODS In total, 171 women divided into two groups: study and control groups. Serum CRH, NGF, and interleukins: IL-1α. IL-1β, 17A, and TNFα were determined by ELISA Kits in both groups. RESULTS The results showed that IL-1α (p < 0.001) and β (p = 0.017) significantly increased in PCO group. CRH, NGF, and IL-17α in serum of patients with PCO significantly lower than the control group (p < 0.001). The results of this study indicate: (1) destruction of three cytokines pattern, (2) Reduction of CRH, NGF, and IL-17α in serum of PCO patients can be under the direct influence of the sympathetic nervous system (SAS), and (3) reduction of CRH and NGFα can be reason of psych/emotional distress in women with PCOS. CONCLUSIONS The results of this study confirm (1) low-grade chronic inflammation in PCOS. This impaired cytokine pattern can play a major role in the immune-pathogenesis of PCOS; (2) hyponeurotrophinemia and reduction of CRH in women with PCOS could reflect deficit of neuronal stress-adaptation in these patients.
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Affiliation(s)
- F Z Zangeneh
- a Reproductive Health Research Center, Tehran University of Medical Sciences , Tehran , Iran and
| | - M M Naghizadeh
- b Department of Community Medicine , Medical Faculty, Fasa University of Medical Sciences , Fasa , Iran
| | - M Bagheri
- a Reproductive Health Research Center, Tehran University of Medical Sciences , Tehran , Iran and
| | - M Jafarabadi
- a Reproductive Health Research Center, Tehran University of Medical Sciences , Tehran , Iran and
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The Effect of Cysteine-Rich Secretory Protein-3 and Lactoferrin on Endometrial Cytokine mRNA Expression After Breeding in the Horse. J Equine Vet Sci 2017. [DOI: 10.1016/j.jevs.2016.03.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Boby J, Kumar H, Gupta HP, Jan MH, Singh SK, Patra MK, Nandi S, Abraham A, Krishnaswamy N. Endometritis Increases Pro-inflammatory Cytokines in Follicular Fluid and Cervico-vaginal Mucus in the Buffalo Cow. Anim Biotechnol 2016; 28:163-167. [DOI: 10.1080/10495398.2016.1244067] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Jones Boby
- Veterinary Officer, Remount Veterinary Corps, Meerut, Uttar Pradesh, India
| | - Harendra Kumar
- Animal Reproduction, Indian Veterinary Research Institute, Izatnagar, Bareilly, India
| | - Harihar Prasad Gupta
- Animal Reproduction, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, India
| | | | - Sanjay Kumar Singh
- Animal Reproduction, Indian Veterinary Research Institute, Izatnagar, Bareilly, India
| | - Manas Kumar Patra
- Animal Reproduction, Indian Veterinary Research Institute, Izatnagar, Bareilly, India
| | | | - Asha Abraham
- College of Veterinary and Animal Sciences Mannuthy, Mannuthy, India
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Ovario-protective effects of genistein against cyclophosphamide toxicity in rats: Role of anti-müllerian hormone and oestradiol. Eur J Pharmacol 2016; 789:163-171. [DOI: 10.1016/j.ejphar.2016.07.026] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 07/14/2016] [Accepted: 07/15/2016] [Indexed: 01/25/2023]
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Fedorka CE, Scoggin KE, Woodward EM, Squires EL, Ball BA, Troedsson M. The effect of select seminal plasma proteins on endometrial mRNA cytokine expression in mares susceptible to persistent mating-induced endometritis. Reprod Domest Anim 2016; 52:89-96. [PMID: 27686063 DOI: 10.1111/rda.12813] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 08/29/2016] [Indexed: 11/29/2022]
Abstract
In the horse, breeding induces a transient endometrial inflammation. A subset of mares are unable to resolve this inflammation, and they are considered susceptible to persistent mating-induced endometritis PMIE Select seminal plasma proteins cysteine-rich secretory protein-3 (CRISP-3) and lactoferrin have been shown to affect the innate immune response to sperm in vitro. The objective of this study was to determine whether the addition of CRISP-3 and lactoferrin at the time of insemination had an effect on the mRNA expression of endometrial cytokines in susceptible mares after breeding. Six mares classified as susceptible to PMIE were inseminated during four consecutive oestrous cycles with treatments in randomized order of: 1 mg/ml CRISP-3, 150 μg/ml lactoferrin, seminal plasma (positive control) or lactated Ringer's solution (LRS; negative control) to a total volume of 10 ml combined with 1 × 109 spermatozoa pooled from two stallions. Six hours after treatment, an endometrial biopsy was obtained for qPCR analysis of selected genes associated with inflammation (pro-inflammatory cytokines interleukin (IL)-1β, IL-8, tumour necrosis factor (TNF)-α, interferon (INF)-γ, anti-inflammatory cytokines IL-1RN and IL-10, and inflammatory-modulating cytokine IL-6). Seminal plasma treatment increased the mRNA expression of IL-1β (p = .019) and IL-8 (p = .0068), while suppressing the mRNA expression of TNF (p = .0013). Lactoferrin also suppressed the mRNA expression of TNF (p = .0013). In conclusion, exogenous lactoferrin may be considered as one modulator of the complex series of events resulting in the poorly regulated pro-inflammatory response seen in susceptible mares.
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Affiliation(s)
- C E Fedorka
- Department of Veterinary Science, College of Agriculture Food and Environment, University of Kentucky, Lexington, KY, USA
| | - K E Scoggin
- Department of Veterinary Science, College of Agriculture Food and Environment, University of Kentucky, Lexington, KY, USA
| | - E M Woodward
- Department of Clinical Sciences, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - E L Squires
- Department of Veterinary Science, College of Agriculture Food and Environment, University of Kentucky, Lexington, KY, USA
| | - B A Ball
- Department of Veterinary Science, College of Agriculture Food and Environment, University of Kentucky, Lexington, KY, USA
| | - Mht Troedsson
- Department of Veterinary Science, College of Agriculture Food and Environment, University of Kentucky, Lexington, KY, USA
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Melo EO, Cordeiro DM, Pellegrino R, Wei Z, Daye ZJ, Nishimura RC, Dode MAN. Identification of molecular markers for oocyte competence in bovine cumulus cells. Anim Genet 2016; 48:19-29. [PMID: 27650317 DOI: 10.1111/age.12496] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/18/2016] [Indexed: 12/17/2022]
Abstract
Cumulus cells (CCs) have an important role during oocyte growth, competence acquisition, maturation, ovulation and fertilization. In an attempt to isolate potential biomarkers for bovine in vitro fertilization, we identified genes differentially expressed in bovine CCs from oocytes with different competence statuses, through microarray analysis. The model of follicle size, in which competent cumulus-oocyte complexes (COCs) were recovered from bigger follicles (≥8.0 mm in diameter) and less competent ones from smaller follicles (1-3 mm), was used. We identified 4178 genes that were differentially expressed (P < 0.05) in the two categories of CCs. The list was further enriched, through the use of a 2.5-fold change in gene expression as a cutoff value, to include 143 up-regulated and 80 down-regulated genes in CCs of competent COCs compared to incompetent COCs. These genes were screened according to their cellular roles, most of which were related to cell cycle, DNA repair, energy metabolism, metabolism of amino acids, cell signaling, meiosis, ovulation and inflammation. Three candidate genes up-regulated (FGF11, IGFBP4, SPRY1) and three down-regulated (ARHGAP22, COL18A1 and GPC4) in CCs from COCs of big follicles (≥8.1 mm) were selected for qPCR analysis. The selected genes showed the same expression patterns by qPCR and microarray analysis. These genes may be potential genetic markers that predict oocyte competence in in vitro fertilization routines.
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Affiliation(s)
- E O Melo
- Embrapa- Genetic Resources and Biotechnology, Brasília, DF, 70770-917, Brazil
| | - D M Cordeiro
- School of Agriculture and Veterinary Medicine, University of Brasilia, Brasília, DF, 70910-900, Brazil
| | - R Pellegrino
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Z Wei
- Department of Computer Science, New Jersey Institute of Technology, Newark, NJ, 07102, USA
| | - Z J Daye
- Division of Epidemiology and Biostatistics, University of Arizona, Tucson, AZ, 85721, USA
| | - R C Nishimura
- School of Agriculture and Veterinary Medicine, University of Brasilia, Brasília, DF, 70910-900, Brazil
| | - M A N Dode
- Embrapa- Genetic Resources and Biotechnology, Brasília, DF, 70770-917, Brazil
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Ovulation Induction is a More Effective Stimulant on Antiovarian Antibody Production than In Vitro Fertilization. Adv Ther 2016; 33:1408-16. [PMID: 27329382 DOI: 10.1007/s12325-016-0356-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Our aim in this study is to evaluate the effects of in vitro fertilization (IVF), including controlled ovarian hyperstimulation (COH) and the number of oocyte pick-up (OPU) procedures on the development of anti-ovarian antibodies (AOA). METHODS To evaluate the effects of IVF procedures, namely, COH and OPU, serum samples for measuring AOA concentration levels by enzyme-linked immunosorbent assay were collected on the third day of the menstrual cycle, at the end of the COH, and after OPU. RESULTS The AOA levels in IVF patients were significantly higher than the fertile control groups'. In the IVF group, neither COH nor OPU caused any increase in AOA levels when compared to the basal results. AOA levels were higher in patients with a history of 5-8 cycles of ovulation induction, before IVF treatment. There was no relationship between the basal AOA concentrations and the type of infertility, the etiology of infertility or the pregnancy outcomes, whereas there was a relationship between the AOA and the duration of infertility. CONCLUSION AOA levels of IVF patients were found to be higher than the fertile control groups'. AOA was found to be related to infertility in patients who had a longer duration of infertility and repeated ovulation induction procedures without IVF. COH and OPU during an IVF cycle did not cause an increase in AOA levels.
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Ye H, Li X, Zheng T, Liang X, Li J, Huang J, Pan Z, Zheng Y. The effect of the immune system on ovarian function and features of ovarian germline stem cells. SPRINGERPLUS 2016; 5:990. [PMID: 27398269 PMCID: PMC4937004 DOI: 10.1186/s40064-016-2390-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 05/23/2016] [Indexed: 01/30/2023]
Abstract
In addition to its role in maintaining organism homeostasis, the immune system also plays a crucial role in the modulation of ovarian function, as it regulates ovarian development, follicular maturation, ovulation and the formation of the corpus luteum. Ovarian germline stem cells are pluripotent stem cells derived from the ovarian cortex that can differentiate into ovarian germ cells and primary granulosa cells. Recent work has demonstrated that the proliferation and differentiation of ovarian germline stem cells is regulated in part by immune cells and their secreted factors. This paper reviews the role of the immune system in the regulation of ovarian function, the relationship between immune components and ovarian germline stem cells and current research efforts in this field.
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Affiliation(s)
- Haifeng Ye
- Medical Teaching Laboratory Center, Jiangxi Medical College, Nanchang University, Nanchang, China ; The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Xiaoyan Li
- Medical Teaching Laboratory Center, Jiangxi Medical College, Nanchang University, Nanchang, China ; The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Tuochen Zheng
- School of the 1st Clinical Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Xia Liang
- Medical Teaching Laboratory Center, Jiangxi Medical College, Nanchang University, Nanchang, China ; The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Jia Li
- School of Life Science, Nanchang University, Nanchang, China ; Medical Teaching Laboratory Center, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Jian Huang
- Medical Teaching Laboratory Center, Jiangxi Medical College, Nanchang University, Nanchang, China ; The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Zezheng Pan
- Medical Teaching Laboratory Center, Jiangxi Medical College, Nanchang University, Nanchang, China ; Faculty of Basic Medical Science, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Yuehui Zheng
- School of Life Science, Nanchang University, Nanchang, China ; Medical Teaching Laboratory Center, Jiangxi Medical College, Nanchang University, Nanchang, China
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Ou HL, Sun D, Peng YC, Wu YL. Novel effects of the cyclooxygenase-2-selective inhibitor NS-398 on IL-1β-induced cyclooxygenase-2 and IL-8 expression in human ovarian granulosa cells. Innate Immun 2016; 22:452-65. [PMID: 27312705 DOI: 10.1177/1753425916654011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 05/18/2016] [Indexed: 12/15/2022] Open
Abstract
Ovulation is a critical inflammation-like event that is central to ovarian physiology. IL-1β is an immediate early pro-inflammatory cytokine that regulates production of several other inflammatory mediators, such as cyclooxygenase 2 (COX)-2 and IL-8. NS-398 is a selective inhibitor of COX-2 bioactivity and thus this drug is able to mitigate the COX-2-mediated production of downstream prostaglandins and the subsequent inflammatory response. Here we have investigated the action of NS-398 using a human ovarian granulosa cell line, KGN, by exploring IL-1β-regulated COX-2 and IL-8 expression. First, NS-398, instead of reducing inflammation, appeared to further enhance IL-1β-mediated COX-2 and IL-8 production. Using selective inhibitors targeting various signaling molecules, MAPK and NF-κB pathways both seemed to be involved in the impact of NS-398 on IL-1β-induced COX-2 and IL-8 expression. NS-398 also promoted IL-1β-mediated NF-κB p65 nuclear translocation but had no effect on IL-1β-activated MAPK phosphorylation. Flow cytometry analysis demonstrated that NS-398, in combination with IL-1β, significantly enhanced cell cycle progression involving IL-8. Our findings demonstrate a clear pro-inflammatory function for NS-398 in the IL-1β-mediated inflammatory response of granulosa cells, at least in part, owing to its augmenting effect on the IL-1β-induced activation of NF-κB.
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Affiliation(s)
- Hui-Ling Ou
- Department of Physiology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - David Sun
- Department of Obstetrics and Gynecology, Cheng Hsin General Hospital, Taipei, Taiwan
| | - Yen-Chun Peng
- Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Yuh-Lin Wu
- Department of Physiology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
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