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Bishop A, Cartwright JE, Whitley GS. Stanniocalcin-1 in the female reproductive system and pregnancy. Hum Reprod Update 2021; 27:1098-1114. [PMID: 34432025 PMCID: PMC8542996 DOI: 10.1093/humupd/dmab028] [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: 07/23/2020] [Revised: 06/15/2021] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Stanniocalcin-1 (STC-1) is a widely expressed glycoprotein hormone involved in a diverse spectrum of physiological and pathophysiological processes including angiogenesis, mineral homeostasis, cell proliferation, inflammation and apoptosis. Over the last 20 years, numerous studies have reported STC-1 expression within female reproductive tissues including the uterus, ovaries and placenta and implicated STC-1 in processes such as ovarian follicular development, blastocyst implantation, vascular remodelling in early pregnancy and placental development. Notably, dysregulation of STC-1 within reproductive tissues has been linked to the onset of severe reproductive disorders including endometriosis, polycystic ovary syndrome, poor trophoblast invasion and placental perfusion in early pregnancy. Furthermore, significant changes in tissue expression and in maternal systemic concentration take place throughout pregnancy and further substantiate the vital role of this protein in reproductive health and disease. OBJECTIVE AND RATIONALE Our aim is to provide a comprehensive overview of the existing literature, to summarise the expression profile and roles of STC-1 within the female reproductive system and its associated pathologies. We highlight the gaps in the current knowledge and suggest potential avenues for future research. SEARCH METHODS Relevant studies were identified through searching the PubMed database using the following search terms: ‘stanniocalcin-1’, ‘placenta’, ‘ovary’, ‘endometrium’, ‘pregnancy’, ‘reproduction’, ‘early gestation’. Only English language papers published between 1995 and 2020 were included. OUTCOMES This review provides compelling evidence of the vital function that STC-1 plays within the female reproductive system. The literature presented summarise the wide expression profile of STC-1 within female reproductive organs, as well as highlighting the putative roles of STC-1 in various functions in the reproductive system. Moreover, the observed link between altered STC-1 expression and the onset of various reproductive pathologies is presented, including those in pregnancy whose aetiology occurs in the first trimester. This summary emphasises the requirement for further studies on the mechanisms underlying the regulation of STC-1 expression and function. WIDER IMPLICATIONS STC-1 is a pleiotropic hormone involved in the regulation of a number of important biological functions needed to maintain female reproductive health. There is also growing evidence that dysregulation of STC-1 is implicated in common reproductive and obstetric disorders. Greater understanding of the physiology and biochemistry of STC-1 within the field may therefore identify possible targets for therapeutic intervention and/or diagnosis.
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Affiliation(s)
- Alexa Bishop
- Centre for Vascular Biology, Molecular and Clinical Sciences Research Institute, St George's, University of London, London, UK
| | - Judith E Cartwright
- Centre for Vascular Biology, Molecular and Clinical Sciences Research Institute, St George's, University of London, London, UK
| | - Guy S Whitley
- Centre for Vascular Biology, Molecular and Clinical Sciences Research Institute, St George's, University of London, London, UK
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PATHAK DEVENDRA, BANSAL NEELAM, GHUMAN SPS. Immuno-localization of estrogen receptor (ER) and progesterone receptor (PR) in the buffalo ovary in relation to their plasma hormonal levels. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2021. [DOI: 10.56093/ijans.v91i9.116460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
In this study, we examined the tissue distribution of estrogen receptor alpha (ERα) and progesterone receptor (PR) in different compartments of the buffalo ovary during follicular and luteal phases of the estrous cycle. The receptors were localized by immunohistochemistry. Image analysis was done to quantify the immune reactivity. ERα was localized in various cell types of buffalo ovaries differentially during follicular and luteal phases of the estrous cycle. Immunoreactivity of ERα was detected in the primordial, primary, secondary and tertiary follicles, atretic follicles, in cells of the deep and superficial stroma, and the tunica albuginea. Specific immunostaining was observed with anti-ERα antibodies in the nuclei of follicular cells/granulosa cells and theca cells. No reaction was observed in the ovarian surface epithelium. In the growing follicle and secondary follicle, the immunoreaction for these receptors was strong. While in the tertiary follicles weak immunoreactions were recorded in the granulosa cells and theca cells. The progesterone receptors (PR) as revealed by immunohistochemistry were localized in the nuclei of different groups of ovarian cells. It was detected in the primordial, primary, secondary and tertiary follicles, atretic follicles, in cells of the deep and superficial stroma, and the tunica albuginea and surface epithelium. PR was localized in follicular cells of preantral and antral follicles, the stroma of the ovary, endothelial cells of blood vessels. PR positivity was found in one or two granulosa cells of primordial and primary follicles, with moderate immunoreaction, but no staining in oocytes. In the antral follicles, both granulosa cells, as well as theca cells, were immunostained for PR. In the obliterative atretic follicles, the invading stromal cells were highly positive for PR. Follicular cells of the primordial follicle and granulosa cells and theca cells of tertiary follicles had statistically higher percentage positive cells in the follicular phase as compared to the luteal phase. No staining was observed in the negative controls.
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Abd-Elkareem M, Abou-Elhamd AS. Immunohistochemical localization of progesterone receptors alpha (PRA) in ovary of the pseudopregnant rabbit. Anim Reprod 2019; 16:302-310. [PMID: 33224291 PMCID: PMC7673587 DOI: 10.21451/1984-3143-ar2018-0128] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Progesterone plays an important role in the reproductive function and follicular development in mammals. The aim of the present study was to examine the localization of progesterone receptor alpha (PRA) in ovary of pseudopregnant rabbit by immunohistochemical methods. Samples were collected from 14 h. to 18 days of pseudopregnancy. At the first stage of pseudopregnancy (14 h.), the rabbit ovary showed moderate immunostaining of PRA in the granulosa cells and theca interna cells of preovulatory follicle and in the stroma cells. At the middle stage of pseudopregnancy (3-7 days), the rabbit ovary showed strong immunostaining of PRA in ovarian surface epithelial cells, follicular cells of the primary follicle, granulosa cells and theca interna cells of the growing and antral follicles. Moderate immunoexpression of PRA were observed in the large lutein cells and endothelial cells of the corpus haemorrhagicum and corpus luteum and in the stroma cells. At the end of pseudopregnancy (18 days) strong PRA reactions were detected in the small lutein cells of the regressed corpus luteum. Moderate to strong PRA immuno-expression were observed in the proliferated theca interna cells of the atretic antral follicles. The atretic large lutein cells of the regressed corpus luteum showed negative immunostaining for PRA. This study showed that the PRA positive small lutein cells of the regressed corpus luteum and the PRA positive proliferated theca interna cells of the atretic antral follicles were transformed into PRA positive interstitial gland cells. In conclusion, the present study had described the distribution of PRA in the ovary of pseudopregnant rabbit, which is not discussed before in the available literature. It also gives more information about follicular dynamic, formation and origin of interstitial glands, mechanism of ovulation, formation and regression of the corpus luteum.
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Affiliation(s)
- Mahmoud Abd-Elkareem
- Department of Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Assiut University, Egypt
| | - Alaa Sayed Abou-Elhamd
- Department of Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Assiut University, Egypt.,Department of Medical Laboratory Technology, Faculty of Medical applied sciences, Jazan University, KSA
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Nelis H, Wojciechowicz B, Franczak A, Leemans B, D'Herde K, Goossens K, Cornillie P, Peelman L, Van Soom A, Smits K. Steroids affect gene expression, ciliary activity, glucose uptake, progesterone receptor expression and immunoreactive steroidogenic protein expression in equine oviduct explants in vitro. Reprod Fertil Dev 2018; 28:1926-1944. [PMID: 26085435 DOI: 10.1071/rd15044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Accepted: 05/25/2015] [Indexed: 12/15/2022] Open
Abstract
The oviduct undergoes dramatic functional and morphological changes throughout the oestrous cycle of the mare. To unravel the effects of steroids on the morphology, functionality and gene expression of the equine oviduct, an in vitro oviduct explant culture system was stimulated with physiological concentrations of progesterone and 17β-oestradiol. Four conditions were compared: unsupplemented preovulatory explants, preovulatory explants that were stimulated with postovulatory hormone concentrations, unsupplemented postovulatory explants and postovulatory explants that were stimulated with preovulatory hormone concentrations. The modulating effects of both steroids on oviduct explants were investigated and the following parameters examined: (1) ciliary activity, (2) glucose consumption and lactate production pattern, (3) ultrastructure, (4) mRNA expression of embryotrophic genes, (5) steroidogenic capacities of oviductal explants and (6) progesterone receptor expression. The present paper shows that the equine oviduct is an organ with potential steroidogenic capacities, which is highly responsive to local changes in progesterone and 17β-oestradiol concentrations at the level of morphology, functionality and gene expression of the oviduct. These data provide a basis to study the importance of endocrine and paracrine signalling during early embryonic development in the horse.
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Affiliation(s)
- Hilde Nelis
- Ghent University, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Bartosz Wojciechowicz
- University of Warmia and Mazury, Department of Animal Physiology, Faculty of Biology and Biotechnology, Oczapowskiego St. 1A, 10-719 Olsztyn, Poland
| | - Anita Franczak
- University of Warmia and Mazury, Department of Animal Physiology, Faculty of Biology and Biotechnology, Oczapowskiego St. 1A, 10-719 Olsztyn, Poland
| | - Bart Leemans
- Ghent University, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Katharina D'Herde
- Ghent University, Department of Basic Medical Sciences, De Pintelaan 185 4B3, 9000 Ghent, Belgium
| | - Karen Goossens
- Ghent University, Department of Nutrition, Genetics and Ethology, Faculty of Veterinary Medicine, Heidestraat 19, 9820 Merelbeke, Belgium
| | - Pieter Cornillie
- Ghent University, Department of Morphology, Faculty of Veterinary Medicine, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Luc Peelman
- Ghent University, Department of Nutrition, Genetics and Ethology, Faculty of Veterinary Medicine, Heidestraat 19, 9820 Merelbeke, Belgium
| | - Ann Van Soom
- Ghent University, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Katrien Smits
- Ghent University, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Salisburylaan 133, 9820 Merelbeke, Belgium
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Cell-specific immuno-localization of progesterone receptor alpha in the rabbit ovary during pregnancy and after parturition. Anim Reprod Sci 2017; 180:100-120. [DOI: 10.1016/j.anireprosci.2017.03.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 03/10/2017] [Indexed: 02/01/2023]
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Nelis H, Vanden Bussche J, Wojciechowicz B, Franczak A, Vanhaecke L, Leemans B, Cornillie P, Peelman L, Van Soom A, Smits K. Steroids in the equine oviduct: synthesis, local concentrations and receptor expression. Reprod Fertil Dev 2015; 28:RD14483. [PMID: 25751414 DOI: 10.1071/rd14483] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 01/20/2015] [Indexed: 12/17/2022] Open
Abstract
Steroids play an important role in mammalian reproduction and early pregnancy. Although systemic changes in steroid concentrations have been well documented, it is not clear how these correlate with local steroid concentrations in the genital tract. We hypothesised that, in the horse, the preimplantation embryo may be subjected to high local steroid concentrations for several days. Therefore, we measured progesterone, 17-hydroxyprogesterone, 17?-oestradiol, testosterone and 17?-testosterone concentrations in equine oviductal tissue by ultra-HPLC coupled with tandem mass spectrometry, and progesterone, 17?-oestradiol, oestrone and testosterone concentrations in oviduct fluid by radioimmunoassay, with reference to cycle stage and side of ovulation. Progesterone concentrations were high in oviductal tissue and fluid ipsilateral to the ovulation side during dioestrus, whereas other steroid hormone concentrations were not influenced by the side of ovulation. These results suggest that the high ipsilateral progesterone concentration is caused by: (1) contributions from the follicular fluid in the oviduct and diffusion of follicular fluid steroids after ovulation; (2) local transfer of steroids via blood or lymph; (3) local synthesis of progesterone in the oviduct, as evidenced by the expression of steroidogenic enzymes; and (4) a paracrine contribution from follicular cells. These data provide a basis for the study of the importance of endocrine and paracrine signalling during early embryonic development in the horse.
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Martin I, Rodrigues MMP, Fujihara CJ, Marques Filho WC, Oba E, Laufer-Amorim R, Ferreira JCP. Localization patterns of steroid and luteinizing hormone receptors in the corpus luteum of Nelore (Bos taurus indicus) cows throughout the estrous cycle. Livest Sci 2013. [DOI: 10.1016/j.livsci.2013.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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D'Haeseleer M, Simoens P, Van den Broeck W. Cell-specific localization of progesterone receptors in the bovine ovary at different stages of the oestrous cycle. Anim Reprod Sci 2007; 98:271-81. [PMID: 16650698 DOI: 10.1016/j.anireprosci.2006.03.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2005] [Revised: 02/21/2006] [Accepted: 03/07/2006] [Indexed: 11/19/2022]
Abstract
This immunohistochemical study describes the localization of progesterone receptors (PR) in the bovine ovary of 23 cows at different stages of the oestrous cycle. In primordial, primary and secondary follicles the score for PR in the follicle cells increased progressively with the maturation of the follicle. In vital tertiary follicles and cystic atretic follicles a moderate score for PR was found, while in obliterative atretic follicles the score was much lower. Scores were high in corpora hemorrhagica, low in corpora lutea and still lower in corpora albicantia. Low PR scores were also found in the tunica albuginea and surface epithelium. Cyclic variations of PR immunoreactivity were manifest in most ovarian tissues. Follicular scores for PR were high in oestrus and decreased during the following stages, whereas scores in corpora lutea cells varied according to a characteristic pattern with high levels during oestrus and metoestrus. The variations in the scores for PR in the different ovarian cell types suggest a cell-specific and cycle-dependent influence of progesterone. A negative correlation was found between the PR scores and the plasma progesterone concentration.
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Affiliation(s)
- M D'Haeseleer
- Department of Morphology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium
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Abstract
In mammals, the ovaries have the highest levels of stanniocalcin (STC) gene expression, most or all of which is confined to androgen-producing thecal-interstitial cells (TICs). Ovarian TICs also synthesize a different STC that consists of three high molecular weight species collectively known as big STC. Upon release in response to LH stimulation, TIC-derived big STC is sequestered locally by target cells, particularly steroidogenic cells of the corpus luteum, via a receptor-mediated process. Although there is little or no STC gene expression in luteal cells in the in vivo setting, this report describes how the gene is turned on, STC mRNA becomes readily detectable, and big STC is secreted when bovine luteal cells are cultured in vitro. STC gene expression and secretion were both positively regulated by activation of the adenylate cyclase/protein kinase A signaling pathway (forskolin and 8-bromo-cAMP). However, prostaglandin E2 was the only natural luteal cell ligand capable of replicating the effects of forskolin and 8-bromo-cAMP (LH had no consistent effect). Sex steroids such as 17beta-estradiol, androstenedione, and progesterone significantly decreased luteal cell STC expression and secretion. However, only androstenedione was capable of reducing STC production and secretion to undetectable levels. This report is the first to show that once removed from their normal context within the ovary, luteal cells are capable of synthesizing and secreting big STC. It is also the first to delineate the regulatory mechanisms involved in STC production and secretion by luteal cells. These results therefore suggest that under certain physiological conditions, the corpus luteum could very well serve as a source of STC production.
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Affiliation(s)
- Mark Paciga
- Department of Physiology and Pharmacology, Faculty of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada N6A 5C1
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Van Den Broeck W, Coryn M, Simoens P, Lauwers H. Cell-specific distribution of oestrogen receptor-alpha in the bovine ovary. Reprod Domest Anim 2002; 37:291-3. [PMID: 12354182 DOI: 10.1046/j.1439-0531.2002.00352.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In this study, the expression of estrogen receptor alpha (ERalpha) in the bovine ovary is described. ERalpha was visualized by immunohistochemistry on paraffin sections of ovaries obtained from 11 non-pregnant and 2 pregnant animals. In general, ERalpha was not observed in cells of primordial, primary and secondary follicles, whereas weak expression was noticed in cells of healthy and arteric tertiary follicles. In corpora lutea cells the expression of ERalpha was obvious. Intermediate to high ERalpha expression was present in thecal cells and in cells of the superficial and deep stroma, tunica albuginea and surface epithelium. Furthermore, the expression of ERalpha in stroma and tunica albuginea cells was in general, highest in cows with the lowest plasma progesterone levels, and lowest in cows with the highest plasma progesterone levels. Remarkably, the ERalpha expression in pregnant cows was in general, lower than in non-pregnant cows with similar plasma progesterone levels. The relatively high expression of ERalpha in thecal and stromal cells in comparison with that in follicle cells suggests an indirect effect of estrogen on the follicular development. However, the exact function of ERalpha in the bovine ovary together with the cycle-dependent variations in ERalpha expression remain to be elucidated.
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Affiliation(s)
- W Van Den Broeck
- Department of Morphology; Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
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