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Cucinella L, Tedeschi S, Memoli S, Cassani C, Martini E, Nappi RE. Pharmacokinetic evaluation of fezolinetant for the treatment of vasomotor symptoms caused by menopause. Expert Opin Drug Metab Toxicol 2024. [PMID: 39391998 DOI: 10.1080/17425255.2024.2416046] [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: 08/04/2024] [Revised: 10/01/2024] [Accepted: 10/09/2024] [Indexed: 10/12/2024]
Abstract
INTRODUCTION Vasomotor symptoms (VMS) affect the majority of menopausal women, with possible negative impact on several domains of quality of life (QoL). Although menopausal hormone therapy (MHT) represents an effective treatment, the risk-benefit profile is not favorable for every woman. Non-hormonal options are limited in number and efficacy. AREAS COVERED Fezolinetant is a novel oral non-hormonal drug recently approved for treatment of moderate-severe VMS. It acts as an antagonist of neurokinin 3 receptor (NK3R), the main target of neurokinin B (a tachykinin over-expressed by kisspeptin/neurokinin B/dynorphin [KNDy] neurons after menopausal hypoestrogenism), involved in modulation of thermoregulatory hypothalamic center. In here, we report pharmacodynamics and pharmacokinetic properties of fezolinetant as well efficacy and safety data from available clinical trials. EXPERT OPINION Fezolinetant has shown efficacy in reducing frequency and severity of VMS with a positive impact on sleep and health related QoL and acceptable safety and tolerability profile. Given the limited availability of effective non-hormonal options for VMS, fezolinetant could potentially represent a game-changer for care of menopausal women, especially when relative or absolute contraindications to MHT use are present. Further studies to gain more information about safety profile and potential extra-VMS benefits or disadvantages are warranted in real-life clinical practice.
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Affiliation(s)
- Laura Cucinella
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
- Research Center for Reproductive Medicine, Gynecological Endocrinology and Menopause, IRCCS S. Matteo Foundation, Pavia, Italy
| | - Sara Tedeschi
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Stefano Memoli
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Chiara Cassani
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
- Unit of Obstetrics and Gynecology, IRCCS S. Matteo Foundation, Pavia, Italy
| | - Ellis Martini
- Research Center for Reproductive Medicine, Gynecological Endocrinology and Menopause, IRCCS S. Matteo Foundation, Pavia, Italy
| | - Rossella E Nappi
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
- Research Center for Reproductive Medicine, Gynecological Endocrinology and Menopause, IRCCS S. Matteo Foundation, Pavia, Italy
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Mączka K, Stasiak O, Przybysz P, Grymowicz M, Smolarczyk R. The Impact of the Endocrine and Immunological Function of Adipose Tissue on Reproduction in Women with Obesity. Int J Mol Sci 2024; 25:9391. [PMID: 39273337 PMCID: PMC11395521 DOI: 10.3390/ijms25179391] [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: 07/15/2024] [Revised: 08/21/2024] [Accepted: 08/27/2024] [Indexed: 09/15/2024] Open
Abstract
Obesity, which leads to metabolic dysregulation and body function impairment, emerges as one of the pressing health challenges worldwide. Excessive body fat deposits comprise a dynamic and biologically active organ possessing its own endocrine function. One of the mechanisms underlying the pathophysiology of obesity is low-grade systemic inflammation mediated by pro-inflammatory factors such as free fatty acids, lipopolysaccharides, adipokines (including leptin, resistin and visfatin) and cytokines (TNF-α, IL-1β, Il-6), which are secreted by adipose tissue. Together with obesity-induced insulin resistance and hyperandrogenism, the exacerbated immune response has a negative impact on the hypothalamic-pituitary-gonadal axis at all levels and directly affects reproduction. In women, it results in disrupted ovarian function, irregular menstrual cycles and anovulation, contributing to infertility. This review focuses on the abnormal intracellular communication, altered gene expression and signaling pathways activated in obesity, underscoring its multifactorial character and consequences at a molecular level. Extensive presentation of the complex interplay between adipokines, cytokines, immune cells and neurons may serve as a foundation for future studies in search of potential sites for more targeted treatment of reproductive disorders related to obesity.
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Affiliation(s)
- Katarzyna Mączka
- Department of Gynecological Endocrinology, Medical University of Warsaw, 00-315 Warsaw, Poland
- Doctoral School, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Olga Stasiak
- Department of Gynecological Endocrinology, Medical University of Warsaw, 00-315 Warsaw, Poland
| | - Paulina Przybysz
- Department of Gynecological Endocrinology, Medical University of Warsaw, 00-315 Warsaw, Poland
| | - Monika Grymowicz
- Department of Gynecological Endocrinology, Medical University of Warsaw, 00-315 Warsaw, Poland
| | - Roman Smolarczyk
- Department of Gynecological Endocrinology, Medical University of Warsaw, 00-315 Warsaw, Poland
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Salmeri N, Viganò P, Cavoretto P, Marci R, Candiani M. The kisspeptin system in and beyond reproduction: exploring intricate pathways and potential links between endometriosis and polycystic ovary syndrome. Rev Endocr Metab Disord 2024; 25:239-257. [PMID: 37505370 DOI: 10.1007/s11154-023-09826-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/18/2023] [Indexed: 07/29/2023]
Abstract
Endometriosis and polycystic ovary syndrome (PCOS) are two common female reproductive disorders with a significant impact on the health and quality of life of women affected. A novel hypothesis by evolutionary biologists suggested that these two diseases are inversely related to one another, representing a pair of diametrical diseases in terms of opposite alterations in reproductive physiological processes but also contrasting phenotypic traits. However, to fully explain the phenotypic features observed in women with these conditions, we need to establish a potential nexus system between the reproductive system and general biological functions. The recent discovery of kisspeptin as pivotal mediator of internal and external inputs on the hypothalamic-pituitary-gonadal axis has led to a new understanding of the neuroendocrine upstream regulation of the human reproductive system. In this review, we summarize the current knowledge on the physiological roles of kisspeptin in human reproduction, as well as its involvement in complex biological functions such as metabolism, inflammation and pain sensitivity. Importantly, these functions are known to be dysregulated in both PCOS and endometriosis. Within the evolving scientific field of "kisspeptinology", we critically discuss the clinical relevance of these discoveries and their potential translational applications in endometriosis and PCOS. By exploring the possibilities of manipulating this complex signaling system, we aim to pave the way for novel targeted therapies in these reproductive diseases.
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Affiliation(s)
- Noemi Salmeri
- Gynecology and Obstetrics Unit, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Paola Viganò
- Infertility Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via M. Fanti 6, 20122, Milan, Italy.
| | - Paolo Cavoretto
- Gynecology and Obstetrics Unit, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Roberto Marci
- Gynecology & Obstetrics, University of Ferrara, 44121, Ferrara, Italy
| | - Massimo Candiani
- Gynecology and Obstetrics Unit, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
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Thejaswini MP, Patra MK, Sharma R, Raza MRA, Sasidharan JK, Karikalan M, Dubal ZB, Ghosh SK, Gaur GK, Singh SK, Krishnaswamy N. Enhancement of progesterone biosynthesis via kisspeptin stimulation: Upregulation of steroidogenic transcripts and phosphorylated extracellular signal-regulated kinase (p-ERK1/2) expression in the buffalo luteal cells. Theriogenology 2024; 220:108-115. [PMID: 38507824 DOI: 10.1016/j.theriogenology.2024.03.007] [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: 08/31/2023] [Revised: 03/11/2024] [Accepted: 03/13/2024] [Indexed: 03/22/2024]
Abstract
The presence of Kisspeptin (Kp) and its receptors in the corpus luteum (CL) of buffalo has recently been demonstrated. In this study, we investigated the role of Kp in the modulation of progesterone (P4) synthesis in vitro. The primary culture of bubaline luteal cells (LCs) was treated with 10, 50, and 100 nM of Kp and Kp antagonist (KpA) alongside a vehicle control. The combined effect of Kp and KpA was assessed at 100 nM concentration. Intracellular response to Kp treatment in the LCs was assessed by examining transcript profiles (LHR, STAR, CYP11A1, HSD3B1, and ERK1/2) using quantitative polymerase chain reaction (qPCR). In addition, the immunolocalization of ERK1/2 and phosphorylated ERK1/2 (p-ERK1/2) in the LCs was studied using immunocytochemistry. Accumulation of P4 from the culture supernatant was determined using enzyme-linked immunosorbent assay (ELISA). The results indicated that LCs had a greater p-ERK1/2 expression in the Kp treatment groups. A significant increase in the P4 concentration was recorded at 50 nM and 100 nM Kp, while KpA did not affect the basal concentration of P4. However, the addition of KpA to the Kp-treated group at 100 nM concentration suppressed the Kp-induced P4 accumulation into a concentration similar to the control. There was significant upregulation of ERK1/2 and CYP11A1 expressions in the Kp-treated LCs at 100 nM (18.1 and 37fold, respectively, p < 0.01). However, the addition of KpA to Kp-treated LCs modulated ERK1/2, LHR, STAR, CYP11A1, and HSD3B1 at 100 nM concentration. It can be concluded that Kp at 100 nM stimulated P4 production, while the addition of KpA suppressed Kp-induced P4 production in the buffalo LCs culture. Furthermore, an increment in p-ERK1/2 expression in the LCs indicated activation of the Kp signaling pathway was associated with luteal steroidogenesis.
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Affiliation(s)
- M P Thejaswini
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, 243 122, India
| | - M K Patra
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, 243 122, India; Livestock Production and Management Section, ICAR, IVRI, Izatnagar, 243 122, India.
| | - R Sharma
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, 243 122, India
| | - Md R A Raza
- Livestock Production and Management Section, ICAR, IVRI, Izatnagar, 243 122, India
| | - J K Sasidharan
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, 243 122, India
| | - M Karikalan
- Centre for Wildlife Conservation, Management, and Disease Surveillance, ICAR-IVRI, Izatnagar, 243 122, India
| | - Z B Dubal
- Division of Veterinary Public Health, ICAR-IVRI, Izatnagar, 243 122, India
| | - S K Ghosh
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, 243 122, India
| | - G K Gaur
- Livestock Production and Management Section, ICAR, IVRI, Izatnagar, 243 122, India
| | - S K Singh
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, 243 122, India
| | - N Krishnaswamy
- Indian Veterinary Research Institute, Hebbal, Bengaluru, 560 024, India
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Ergun Y, Imamoglu AG, Cozzolino M, Demirkiran C, Basar M, Garg A, Yildirim RM, Seli E. Mitochondrial Unfolded Protein Response Gene Clpp Is Required for Oocyte Function and Female Fertility. Int J Mol Sci 2024; 25:1866. [PMID: 38339144 PMCID: PMC10855406 DOI: 10.3390/ijms25031866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 01/28/2024] [Accepted: 02/02/2024] [Indexed: 02/12/2024] Open
Abstract
Mitochondrial unfolded protein stress response (mtUPR) plays a critical role in regulating cellular and metabolic stress response and helps maintain protein homeostasis. Caseinolytic peptidase P (CLPP) is one of the key regulators of mtUPR and promotes unfolded protein degradation. Previous studies demonstrated that global deletion of Clpp resulted in female infertility, whereas no impairment was found in the mouse model with targeted deletion of Clpp in cumulus/granulosa cells. These results suggest the need to delineate the function of Clpp in oocytes. In this study, we aimed to further explore the role of mtUPR in female reproductive competence and senescence using a mouse model. Oocyte-specific targeted deletion of Clpp in mice resulted in female subfertility associated with metabolic and functional abnormalities in oocytes, thus highlighting the importance of CLPP-mediated protein homeostasis in oocyte competence and reproductive function.
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Affiliation(s)
- Yagmur Ergun
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
- IVIRMA Global Research Alliance, IVIRMA New Jersey, Marlton, NJ 07920, USA
| | - Aysegul Gizem Imamoglu
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
| | - Mauro Cozzolino
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
- IVIRMA Global Research Alliance, IVI Roma, 00169 Rome, Italy
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), 46026 Valencia, Spain
| | - Cem Demirkiran
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
| | - Murat Basar
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale Fertility Center, Orange, CT 06477, USA
| | - Akanksha Garg
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2BX, UK
| | - Raziye Melike Yildirim
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
| | - Emre Seli
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT 06510, USA
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale Fertility Center, Orange, CT 06477, USA
- IVIRMA Global Research Alliance, IVIRMA New Jersey, Basking Ridge, NJ 07920, USA
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Wu HM, Chen LH, Chiu WJ, Tsai CL. Kisspeptin Regulates Cell Invasion and Migration in Endometrial Cancer. J Endocr Soc 2024; 8:bvae001. [PMID: 38264268 PMCID: PMC10805434 DOI: 10.1210/jendso/bvae001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Indexed: 01/25/2024] Open
Abstract
Kisspeptin (a product of the KISS1 gene and its receptor) plays an important role in obstetrics, gynecology, and cancer cell metastasis and behavior. In hypothalamic-pituitary-gonadal axis and placentation, Kisspeptin/Kisspeptin receptor affects hormone release and represses trophoblast invasion into maternal deciduae. Endometrial cancer is one of the common gynecological cancers and is usually accompanied by metastasis, the risk factor that causes death. Recently, research has demonstrated that Kisspeptin/Kisspeptin receptor expression in aggressive-stage endometrial cancer tissues. However, the detailed mechanism of Kisspeptin/Kisspeptin receptor in regulating the motility of endometrial cancers is not well understood. In this study, we use endometrial cancer cell lines RL95-2, Ishikawa, HEC-1-A, and HEC-1-B as models to explore the molecular mechanism of Kisspeptin on cell motility. First, we discovered that Kisspeptin/Kisspeptin receptor was expressed in endometrial cancer cells, and Kisspeptin significantly regulated the migration and invasion of endometrial cancer cells. Furthermore, we explored the epithelial-mesenchymal transition marker expression and the underlying signals were regulated on Kisspeptin treatment. In conclusion, we suggest that Kisspeptin regulates endometrial cancer cell motility via FAK and Src expression and the ERK1/2, N-Cadherin, E-Cadherin, beta-Catenin, Twist, and matrix metalloproteinase signaling pathways. We expect these molecules could be candidates for the development of new approaches and therapeutic targets.
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Affiliation(s)
- Hsien-Ming Wu
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital Linkou Medical Center, Taoyuan 333, Taiwan R.O.C
| | - Liang-Hsuan Chen
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital Linkou Medical Center, Taoyuan 333, Taiwan R.O.C
| | - Wei-Jung Chiu
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital Linkou Medical Center, Taoyuan 333, Taiwan R.O.C
| | - Chia-Lung Tsai
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital Linkou Medical Center, Taoyuan 333, Taiwan R.O.C
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Sharma R, Patra MK, Puttanarsappa TM, Hitesh, Raza MRA, Sahu TK, Mathesh K, Dubal ZB, Ghosh SK, Gaur GK, Das GK, Singh SK, Krishnaswamy N. Kisspeptin stimulates oestradiol biosynthesis by upregulating steroidogenic transcripts and proliferation markers in the bubaline granulosa cells in vitro. Reprod Domest Anim 2024; 59:e14523. [PMID: 38268209 DOI: 10.1111/rda.14523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/29/2023] [Accepted: 12/24/2023] [Indexed: 01/26/2024]
Abstract
Kisspeptin (Kp), an upstream regulator of GnRH release, is essential for the development and function of reproductive axis. Previously, we demonstrated the localization of Kp and its receptor (Kiss1r) in the active follicle in the bubaline ovary. Present study aimed to determine the effect of Kp on granulosa cell (GCs) functions, especially oestradiol (E2 ) and progesterone (P4 ) production, and differential expression of genes regulating the proliferation, apoptosis and steroidogenesis in the buffalo. The ovaries with 6-10 mm size follicles obtained from the cyclic buffaloes after slaughtering were used for isolation of GCs for in vitro study. The primary GCs culture was treated with Kp (0, 10, 50 and 100 nM) and incubated for 48 h. Production of E2 and P4 was estimated in the culture supernatant by ELISA. The expression of gonadotropin receptors (FSHR and LHR), steroidogenic genes (STAR, 3β-HSD, CYP19A1), proliferation marker (PCNA), apoptotic factors (CASP3 and BCL2) and Kp signalling molecule (extracellular signal-regulated kinase 1/2, ERK1/2 and p-ERK1/2) was studied in the GCs by qPCR. Significant E2 production was found in the Kp 50 and 100 nM groups (p < .05), whereas P4 production was reduced in Kp 100 nM group (p < .05). There was concomitant upregulation of FSHR, ERK1/2, STAR and CYP19A1 in the Kp 100 nM treated GCs. In addition, Kp at 100 nM stimulated the proliferation of GCs by upregulating the expression of BCL2 (5.0 fold) and PCNA (94.9 fold). Further, high immunoreactivity of p-ERK1/2 was observed in the Kp-treated GCs. It was concluded that Kp at 100 nM concentration stimulated E2 production by upregulating the steroidogenic pathway through ERK1/2, STAR and CYP19A1 and modulating PCNA and BCL2 expressions in the GCs. Further experiments are warranted using Kp antagonist in different combinations to establish the signalling pathway in Kp-mediated steroidogenesis in the GCs for developing strategies to control ovarian functions.
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Affiliation(s)
- Renu Sharma
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
| | - Manas Kumar Patra
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
- Livestock Production and Management Section, ICAR -IVRI, Izatnagar, India
| | - Thejaswini Meda Puttanarsappa
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
| | - Hitesh
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
| | | | - Tarun Kumar Sahu
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
| | - Karikalan Mathesh
- Centre for Wildlife Conservation, Management and Disease Surveillance, ICAR-IVRI, Izatnagar, India
| | | | - Subrata Kumar Ghosh
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
| | | | - Goutam Kumar Das
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
| | - Sanjay Kumar Singh
- Animal Reproduction Division, Indian Council of Agricultural Research (ICAR) -Indian Veterinary Research Institute (IVRI), Izatnagar, India
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Abdelkareem AO, Iews MS, Ait-Allah AS, Rasheed SM, Helmy YA, Habte R, Abdelhafez FF, Bedaiwy MA. Immunohistochemistry of Leukemia Inhibitory Factor and Integrin αVβ3 in Mouse Endometrium Following Kisspeptin-54 Ovulation Trigger. Reprod Sci 2023; 30:3084-3091. [PMID: 37126206 DOI: 10.1007/s43032-023-01243-7] [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: 12/29/2022] [Accepted: 04/09/2023] [Indexed: 05/02/2023]
Abstract
Kisspeptin (KP) is a group of hypothalamic neuropeptides encoded by KISS-1 gene. KP-54, a 54-amino-acid peptide, helps regulate the hypothalamic-pituitary-ovarian axis and plays a potential role in implantation. C57BL/6 J female mice were superovulated via intraperitoneal injection of 5 International Units (IU) pregnant mare serum gonadotrophin (day 1). Forty-eight hours later, mice (5/group) were injected with phosphate-buffered saline (PBS) (group A), 5 IU human chorionic gonadotrophin (hCG) (group B), or 3 nmol KP-54 (group C). On day 7, mice were euthanized and uteri excised to create paraformaldehyde-fixed paraffin-embedded sections that were immunostained for the implantation markers: leukemia inhibitory factor (LIF) and integrin αVβ3 (ITG αVβ3). Slides were scored for intensity of staining in endometrial glandular epithelium (GE) and stromal cells (SCs) via histoscore (H-score). Data were analyzed using the Kruskal-Wallis test followed by the Mann-Whitney U test for pairwise comparisons. LIF expression was significantly higher in GE and SCs of mice triggered with KP-54 compared to placebo (P = .009 for both), but only higher than hCG trigger group in SCs (P = .009). Meanwhile, ITG αVβ3 expression was significantly higher in SCs of mice triggered with KP-54 compared to placebo (P = .028). In conclusion, using KP-54 as an ovulation trigger resulted in higher expression of the implantation markers LIF and ITG αVβ3 in mice endometrium compared to hCG or placebo. This suggests a potential role for KP-54 trigger in improving embryo implantation in clinical IVF. However, further studies are needed to correlate these results with clinical implantation rates and pregnancy outcomes.
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Affiliation(s)
- Amr O Abdelkareem
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Obstetrics and Gynecology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Mahmoud S Iews
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Obstetrics and Gynecology, Faculty of Medicine, South Valley University, Qena, Egypt
| | - Abdou S Ait-Allah
- Department of Obstetrics and Gynecology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Salah M Rasheed
- Department of Obstetrics and Gynecology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Yasser A Helmy
- Department of Obstetrics and Gynecology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Ruth Habte
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Faten F Abdelhafez
- Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Mohamed A Bedaiwy
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
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Singh A, Lal B, Kumar P, Parhar IS, Millar RP. Role of Neurokinin B in gametogenesis and steroidogenesis of freshwater catfish, Clarias batrachus. Cell Tissue Res 2023; 393:377-391. [PMID: 37278825 DOI: 10.1007/s00441-023-03788-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/12/2023] [Indexed: 06/07/2023]
Abstract
Neurokinin B (NKB), a recently discovered neuropeptide, plays a crucial role in regulating the kiss-GnRH neurons in vertebrate's brain. NKB is also characterized in gonadal tissues; however, its role in gonads is poorly understood. Therefore, in the present study, the effects of NKB on gonadal steroidogenesis and gametogenesis through in vivo and in vitro approaches using NKB antagonist MRK-08 were evaluated. The results suggest that the NKB antagonist decreases the development of advanced ovarian follicles and germ cells in the testis. In addition, MRK-08 further reduces the production of 17β-estradiol in the ovary and testosterone in the testis under both in vivo and in vitro conditions in a dose-dependent manner. Furthermore, the in vitro MRK-08 treatment of gonadal explants attenuated the expression of steroidogenic marker proteins, i.e., StAR, 3β-HSD, and 17β-HSD dose-dependently. Moreover, the MAP kinase proteins, pERK1/2 & ERK1/2 and pAkt & Akt were also downregulated by MRK-08. Thus, the study suggests that NKB downregulates steroidogenesis by modulating the expressions of steroidogenic marker proteins involving ERK1/2 & pERK1/2 and Akt/pAkt signalling pathways. NKB also appears to regulate gametogenesis by regulating gonadal steroidogenesis in the catfish.
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Affiliation(s)
- Ankur Singh
- Fish Endocrinology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, 221005, Varanasi, India
| | - Bechan Lal
- Fish Endocrinology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, 221005, Varanasi, India.
| | - Pankaj Kumar
- Department of Zoology, Rajiv Gandhi University, Rono Hills, Doimukh, Itanagar, Arunachal Pradesh, India
| | - Ishwar S Parhar
- Brain Research Institute, School of Medicine and Health Sciences, Monash University, Sunway Campus, Malaysia
| | - Robert P Millar
- Centre for Neuroendocrinology, Department of Immunology, University of Pretoria, Pretoria and Department of Integrative Biomedical Sciences, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, South Africa
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10
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Zhang J, Jin L, Kong L, Nie L, Yuan D. Physiological and pathological roles of locally expressed kisspeptin and KISS1R in the endometrium. Hum Reprod 2023:7146150. [PMID: 37105233 DOI: 10.1093/humrep/dead080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/25/2023] [Indexed: 04/29/2023] Open
Abstract
Kisspeptins, encoded by the KISS1 gene, are a family of polypeptides that bind the kisspeptin receptor (KISS1R) to perform biological functions. Produced mainly in the hypothalamus, these neuropeptides regulate the pulsatile secretion of GnRH and trigger the hypothalamus-pituitary-gonadal axis. Other peripheral organs also express kisspeptin, which inhibits metastasis. Kisspeptin and KISS1R are reportedly present in the endometrium and may play roles in limiting the migration and invasion of trophoblasts into the endometrium during pregnancy (decidua) to maintain endometrial homeostasis. A deficiency of kisspeptin and KISS1R in the endometrium can lead to pathological conditions such as endometriosis and endometrial carcinoma. Kisspeptin and KISS1R in the endometrium can also promote endometrial receptivity and decidualization. Overall, kisspeptin and KISS1R are important for maintaining the normal physiological functions of the endometrium. By summarizing the roles of kisspeptin and KISS1R in the endometrium, our review explores the regulatory roles in the peripheral reproductive system of this peptide family that plays broad and profound roles in many physiological processes.
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Affiliation(s)
- Jieyu Zhang
- Department of Physiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Lei Jin
- Department of Physiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Lingnan Kong
- Department of Physiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Li Nie
- Department of Physiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Dongzhi Yuan
- Department of Physiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
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11
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Gomes VCL, Beckers KF, Crissman KR, Landry CA, Flanagan JP, Awad RM, Piero FD, Liu CC, Sones JL. Sexually dimorphic pubertal development and adipose tissue kisspeptin dysregulation in the obese and preeclamptic-like BPH/5 mouse model offspring. Front Physiol 2023; 14:1070426. [PMID: 37035685 PMCID: PMC10076539 DOI: 10.3389/fphys.2023.1070426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 02/22/2023] [Indexed: 04/11/2023] Open
Abstract
Preeclampsia (PE) is a devastating hypertensive disorder of pregnancy closely linked to obesity. Long-term adverse outcomes may occur in offspring from preeclamptic pregnancies. Accordingly, sex-specific changes in pubertal development have been described in children from preeclamptic women, but the underlying mechanisms remain vastly unexplored. Features of PE are spontaneously recapitulated by the blood pressure high subline 5 (BPH/5) mouse model, including obesity and dyslipidemia in females before and throughout pregnancy, superimposed hypertension from late gestation to parturition and fetal growth restriction. A sexually dimorphic cardiometabolic phenotype has been described in BPH/5 offspring: while females are hyperphagic, hyperleptinemic, and overweight, with increased reproductive white adipose tissue (rWAT), males have similar food intake, serum leptin concentration, body weight and rWAT mass as controls. Herein, pubertal development and adiposity were further investigated in BPH/5 progeny. Precocious onset of puberty occurs in BPH/5 females, but not in male offspring. When reaching adulthood, the obese BPH/5 females display hypoestrogenism and hyperandrogenism. Kisspeptins, a family of peptides closely linked to reproduction and metabolism, have been previously shown to induce lipolysis and inhibit adipogenesis. Interestingly, expression of kisspeptins (Kiss1) and their cognate receptor (Kiss1r) in the adipose tissue seem to be modulated by the sex steroid hormone milieu. To further understand the metabolic-reproductive crosstalk in the BPH/5 offspring, Kiss1/Kiss1r expression in male and female rWAT were investigated. Downregulation of Kiss1/Kiss1r occurs in BPH/5 females when compared to males. Interestingly, dietary weight loss attenuated circulating testosterone concentration and rWAT Kiss1 downregulation in BPH/5 females. Altogether, the studies demonstrate reproductive abnormalities in offspring gestated in a PE-like uterus, which appear to be closely associated to the sexually dimorphic metabolic phenotype of the BPH/5 mouse model.
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Affiliation(s)
- Viviane C. L. Gomes
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Kalie F. Beckers
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Kassandra R. Crissman
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Camille A. Landry
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Juliet P. Flanagan
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Reham M. Awad
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Fabio Del Piero
- Department of Pathobiological Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Chin-Chi Liu
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Jenny L. Sones
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
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12
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Guo F, Fernando T, Zhu X, Shi Y. The overexpression of neurokinin B-neurokinin 3 receptor system exerts direct effects on the ovary under PCOS-like conditions to interfere with mitochondrial function. Am J Reprod Immunol 2023; 89:e13663. [PMID: 36453600 DOI: 10.1111/aji.13663] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/13/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
PROBLEM The increased hypothalamic neurokinin B (NKB) level may contribute to the hyperactive LH pulse secretion in Polycystic ovary syndrome (PCOS). However, the expression and role of the neurokinin B-neurokinin 3 receptor (NKB-NK3R) system in the local ovarian tissue of PCOS have not been clarified. We constructed in vivo and in vitro models to elucidate the mechanism of the NKB-NK3R pathway in reproductive endocrine disorders of PCOS. METHOD OF STUDY The granulosa cell line-KGN cells were set in palmitic acid (PA) and dihydrotestosterone (DHT) to simulate the PCOS-like conditions. And we used the high-fat/high-glucose diet to build a PCOS-like mice model and neurokinin 3 receptor antagonist (NK3Ra) was administered to half of the mice. The expression of the NKB-NK3R system, mitochondrial functions, hormone levels, and inflammatory state was evaluated. RESULTS The PCOS-like stimulations induced the NKB-NK3R system and MAPK-ERK pathway overexpression in KGN cells, in an approximate dose and time-dependent manner. The NKB-NK3R system overactivated the MAPK-ERK pathway to increase NNT overexpression, disturb NADH/NADPH pools, aggravate the oxidation state, and decrease ATP production. With overexpression of the NKB-NK3R system in the local ovarian tissue, ovulatory dysfunction, progesterone deficiency, and pro-inflammatory states were apparent in PCOS-like mice. Antagonizing the receptor, NK3R, reversed the adverse reproductive endocrine phenotypes via improving mitochondrial dysfunction. CONCLUSIONS In addition to the central regulation, local ovarian overexpression of the NKB-NK3R system participated in the adverse reproductive endocrine phenotypes, supporting the therapeutic implications of NK3Ra for PCOS.
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Affiliation(s)
- Fei Guo
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Taniya Fernando
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Xiaoyong Zhu
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Yingli Shi
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
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13
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Abdelkareem AO, Gebril SM, AbdelHafez FF, Terry J, Bedaiwy MA. Kisspeptin and kisspeptin receptor immunoreactivity in euploid and aneuploid choriodecidual tissues of recurrent pregnancy losses. F&S SCIENCE 2023; 4:56-64. [PMID: 36243398 DOI: 10.1016/j.xfss.2022.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To study choriodecidual immunoreactivity of kisspeptin (KISS1) and its receptor (KISS1R) in recurrent pregnancy loss (RPL) due to aneuploidy (AnE) and unexplained (UE) RPL in comparison to control elective abortions (EAbs). DESIGN This is a case-control study. SETTING Tertiary care facility and affiliated research institute. PATIENT(S) Patients with either UE RPL (n = 10) or RPL due to AnE (n = 10) vs. a control group of patients who underwent EAb (n = 10). INTERVENTION(S) Immunohistochemistry of archived choriodecidual tissue samples. MAIN OUTCOME MEASURE(S) Histoscores of KISS1 and KISS1R immunoreactivity in the syncytiotrophoblast (SyT), cytotrophoblast (CyT), decidual glands (DeGs), and decidual stroma (DeS) across the 3 study groups. RESULT(S) There was no difference in both maternal and gestational ages among the 3 groups. Kisspeptin immunoreactivity was similar in the SyT, CyT, DeGs, and DeS of all groups. Similarly, KISS1R expression was not different in the DeGs or DeS among all study groups. In addition, there was no difference in KISS1R immunoreactivity in the SyTs and CyTs between patients with RPL due to AnE and those with UE RPL. However, KISS1R was significantly lower in the SyT and CyT of patients with RPL due to AnE and UE RPL than in those who underwent EAb. CONCLUSION(S) The expression of KISS1R is lower in the chorionic tissues of euploid (unexplained) and aneuploid RPLs than in the control group. The current results broaden our understanding of the role played by KISS1 and KISS1R in early placentation. Further investigation is necessary to determine whether KISS1 activity is the cause or a sequel of defective placentation.
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Affiliation(s)
- Amr O Abdelkareem
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Recurrent Pregnancy Loss, BC Women's Hospital, Vancouver, British Columbia, Canada; Department of Obstetrics and Gynecology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Sahar M Gebril
- Department of Histology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Faten F AbdelHafez
- Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Jefferson Terry
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Mohamed A Bedaiwy
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Recurrent Pregnancy Loss, BC Women's Hospital, Vancouver, British Columbia, Canada.
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14
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Blasco V, Pinto FM, Fernández-Atucha A, Dodd NP, Fernández-Sánchez M, Candenas L. Female Infertility Is Associated with an Altered Expression Profile of Different Members of the Tachykinin Family in Human Granulosa Cells. Reprod Sci 2023; 30:258-269. [PMID: 35739351 DOI: 10.1007/s43032-022-00998-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 06/02/2022] [Indexed: 01/11/2023]
Abstract
Neurokinin B (NKB) and its cognate receptor, NK3R, play a key role in the regulation of reproduction. NKB belongs to the family of tachykinins, which also includes substance P and neurokinin A, both encoded by the by the gene TAC1, and hemokinin-1, encoded by the TAC4 gene. In addition to NK3R, tachykinin effects are mediated by NK1R and NK2R, encoded by the genes TACR1 and TACR2, respectively. The role of these other tachykinins and receptors in the regulation of women infertility is mainly unknown. We have analyzed the expression profile of TAC1, TAC4, TACR1, and TACR2 in mural granulosa and cumulus cells from women presenting different infertility etiologies, including polycystic ovarian syndrome, advanced maternal age, low ovarian response, and endometriosis. We also studied the expression of MME, the gene encoding neprilysin, the most important enzyme involved in tachykinin degradation. Our data show that TAC1, TAC4, TACR1, TACR2, and MME expression is dysregulated in a different manner depending on the etiology of women infertility. The abnormal expression of these tachykinins and their receptors might be involved in the decreased fertility of these patients, offering a new insight regarding the diagnosis and treatment of women infertility.
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Affiliation(s)
- Víctor Blasco
- Instituto de Investigaciones Químicas, CSIC-US, Seville, Spain
- IVI-RMA Sevilla, Seville, Spain
| | | | | | - Nicolás Prados Dodd
- IVI-RMA Sevilla, Seville, Spain
- IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
- Departamento de Biología Molecular E Ingeniería Bioquímica, Universidad Pablo de Olavide, Seville, Spain
| | - Manuel Fernández-Sánchez
- IVI-RMA Sevilla, Seville, Spain.
- IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain.
- Departamento de Biología Molecular E Ingeniería Bioquímica, Universidad Pablo de Olavide, Seville, Spain.
- Departamento de Cirugía, Universidad de Sevilla, Seville, Spain.
| | - Luz Candenas
- Instituto de Investigaciones Químicas, CSIC-US, Seville, Spain
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15
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Kelsey T. Models and Biomarkers for Ovarian Ageing. Subcell Biochem 2023; 103:185-199. [PMID: 37120469 DOI: 10.1007/978-3-031-26576-1_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
The human ovarian reserve is defined by the number of non-growing follicles (NGFs) in the ovary, with the age-related decline in NGF population determining age at menopause for healthy women. In this chapter, the concept of ovarian reserve is explored in detail, with a sequence of models described that in principle allow any individual to be compared to the general population. As there is no current technology that can count the NGFs in a living ovary, we move our focus to biomarkers for the ovarian reserve. Using serum analysis and ultrasound it is possible to measure anti-Müllerian hormone (AMH), follicle-stimulating hormone (FSH), and ovarian volume (OV) and to count numbers of antral follicles (AFC). These are compared, with ovarian volume being the closest to a true biomarker for a wide range of ages and with AMH and AFC being the most popular for post-pubertal and pre-menopausal ages. The study of genetic and subcellular biomarkers for the ovarian reserve has produced less concrete results. Recent advances are described and compared in terms of limitations and potential. The chapter concludes with an overview of the future study indicated by our current knowledge and by current controversy in the field.
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Affiliation(s)
- Tom Kelsey
- School of Computer Science, University of St Andrews, St Andrews, UK.
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16
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Dai T, Kang X, Yang C, Mei S, Wei S, Guo X, Ma Z, Shi Y, Chu Y, Dan X. Integrative Analysis of miRNA-mRNA in Ovarian Granulosa Cells Treated with Kisspeptin in Tan Sheep. Animals (Basel) 2022; 12:2989. [PMID: 36359113 PMCID: PMC9656243 DOI: 10.3390/ani12212989] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024] Open
Abstract
Kisspeptin is a peptide hormone encoded by the kiss-1 gene that regulates animal reproduction. Our studies revealed that kisspeptin can regulate steroid hormone production and promote cell proliferation in ovarian granulosa cells of Tan sheep, but the mechanism has not yet been fully understood. We speculated that kisspeptin might promote steroid hormone production and cell proliferation by mediating the expression of specific miRNA and mRNA in granulosa cells. Accordingly, after granulosa cells were treated with kisspeptin, the RNA of cells was extracted to construct a cDNA library, and miRNA-mRNA sequencing was performed. Results showed that 1303 expressed genes and 605 expressed miRNAs were identified. Furthermore, eight differentially expressed miRNAs were found, and their target genes were significantly enriched in progesterone synthesis/metabolism, hormone biosynthesis, ovulation cycle, and steroid metabolism regulation. Meanwhile, mRNA was significantly enriched in steroid biosynthesis, IL-17 signaling pathway, and GnRH signaling pathway. Integrative analysis of miRNA-mRNA revealed that the significantly different oar-let-7b targets eight genes, of which EGR1 (early growth response-1) might play a significant role in regulating the function of granulosa cells, and miR-10a regulates lipid metabolism and steroid hormone synthesis by targeting HNRNPD. Additionally, PPI analysis revealed genes that are not miRNA targets but crucial to other biological processes in granulosa cells, implying that kisspeptin may also indirectly regulate granulosa cell function by these pathways. The findings of this work may help understand the molecular mechanism of kisspeptin regulating steroid hormone secretion, cell proliferation, and other physiological functions in ovarian granulosa cells of Tan sheep.
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17
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Masumi S, Lee EB, Dilower I, Upadhyaya S, Chakravarthi VP, Fields PE, Rumi MAK. The role of Kisspeptin signaling in Oocyte maturation. Front Endocrinol (Lausanne) 2022; 13:917464. [PMID: 36072937 PMCID: PMC9441556 DOI: 10.3389/fendo.2022.917464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 08/02/2022] [Indexed: 11/24/2022] Open
Abstract
Kisspeptins (KPs) secreted from the hypothalamic KP neurons act on KP receptors (KPRs) in gonadotropin (GPN) releasing hormone (GnRH) neurons to produce GnRH. GnRH acts on pituitary gonadotrophs to induce secretion of GPNs, namely follicle stimulating hormone (FSH) and luteinizing hormone (LH), which are essential for ovarian follicle development, oocyte maturation and ovulation. Thus, hypothalamic KPs regulate oocyte maturation indirectly through GPNs. KPs and KPRs are also expressed in the ovarian follicles across species. Recent studies demonstrated that intraovarian KPs also act directly on the KPRs expressed in oocytes to promote oocyte maturation and ovulation. In this review article, we have summarized published reports on the role of hypothalamic and ovarian KP-signaling in oocyte maturation. Gonadal steroid hormones regulate KP secretion from hypothalamic KP neurons, which in turn induces GPN secretion from the hypothalamic-pituitary (HP) axis. On the other hand, GPNs secreted from the HP axis act on the granulosa cells (GCs) and upregulate the expression of ovarian KPs. While KPs are expressed predominantly in the GCs, the KPRs are in the oocytes. Expression of KPs in the ovaries increases with the progression of the estrous cycle and peaks during the preovulatory GPN surge. Intrafollicular KP levels in the ovaries rise with the advancement of developmental stages. Moreover, loss of KPRs in oocytes in mice leads to failure of oocyte maturation and ovulation similar to that of premature ovarian insufficiency (POI). These findings suggest that GC-derived KPs may act on the KPRs in oocytes during their preovulatory maturation. In addition to the intraovarian role of KP-signaling in oocyte maturation, in vivo, a direct role of KP has been identified during in vitro maturation of sheep, porcine, and rat oocytes. KP-stimulation of rat oocytes, in vitro, resulted in Ca2+ release and activation of the mitogen-activated protein kinase, extracellular signal-regulated kinase 1 and 2. In vitro treatment of rat or porcine oocytes with KPs upregulated messenger RNA levels of the factors that favor oocyte maturation. In clinical trials, human KP-54 has also been administered successfully to patients undergoing assisted reproductive technologies (ARTs) for increasing oocyte maturation. Exogenous KPs can induce GPN secretion from hypothalamus; however, the possibility of direct KP action on the oocytes cannot be excluded. Understanding the direct in vivo and in vitro roles of KP-signaling in oocyte maturation will help in developing novel KP-based ARTs.
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Affiliation(s)
| | | | | | | | | | | | - M. A. Karim Rumi
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
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18
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Lee EB, Dilower I, Marsh CA, Wolfe MW, Masumi S, Upadhyaya S, Rumi MAK. Sexual Dimorphism in Kisspeptin Signaling. Cells 2022; 11:1146. [PMID: 35406710 PMCID: PMC8997554 DOI: 10.3390/cells11071146] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 02/05/2023] Open
Abstract
Kisspeptin (KP) and kisspeptin receptor (KPR) are essential for the onset of puberty, development of gonads, and maintenance of gonadal function in both males and females. Hypothalamic KPs and KPR display a high degree of sexual dimorphism in expression and function. KPs act on KPR in gonadotropin releasing hormone (GnRH) neurons and induce distinct patterns of GnRH secretion in males and females. GnRH acts on the anterior pituitary to secrete gonadotropins, which are required for steroidogenesis and gametogenesis in testes and ovaries. Gonadal steroid hormones in turn regulate the KP neurons. Gonadal hormones inhibit the KP neurons within the arcuate nucleus and generate pulsatile GnRH mediated gonadotropin (GPN) secretion in both sexes. However, the numbers of KP neurons in the anteroventral periventricular nucleus and preoptic area are greater in females, which release a large amount of KPs in response to a high estrogen level and induce the preovulatory GPN surge. In addition to the hypothalamus, KPs and KPR are also expressed in various extrahypothalamic tissues including the liver, pancreas, fat, and gonads. There is a remarkable difference in circulating KP levels between males and females. An increased level of KPs in females can be linked to increased numbers of KP neurons in female hypothalamus and more KP production in the ovaries and adipose tissues. Although the sexually dimorphic features are well characterized for hypothalamic KPs, very little is known about the extrahypothalamic KPs. This review article summarizes current knowledge regarding the sexual dimorphism in hypothalamic as well as extrahypothalamic KP and KPR system in primates and rodents.
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Affiliation(s)
- Eun Bee Lee
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA; (E.B.L.); (I.D.); (S.M.); (S.U.)
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS 66160, USA; (C.A.M.); (M.W.W.)
| | - Iman Dilower
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA; (E.B.L.); (I.D.); (S.M.); (S.U.)
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS 66160, USA; (C.A.M.); (M.W.W.)
| | - Courtney A. Marsh
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS 66160, USA; (C.A.M.); (M.W.W.)
- Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Michael W. Wolfe
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS 66160, USA; (C.A.M.); (M.W.W.)
| | - Saeed Masumi
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA; (E.B.L.); (I.D.); (S.M.); (S.U.)
| | - Sameer Upadhyaya
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA; (E.B.L.); (I.D.); (S.M.); (S.U.)
| | - Mohammad A. Karim Rumi
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA; (E.B.L.); (I.D.); (S.M.); (S.U.)
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19
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Sharma B, Koysombat K, Comninos AN, Dhillo WS, Abbara A. Use of kisspeptin to trigger oocyte maturation during in vitro fertilisation (IVF) treatment. Front Endocrinol (Lausanne) 2022; 13:972137. [PMID: 36147569 PMCID: PMC9485455 DOI: 10.3389/fendo.2022.972137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/15/2022] [Indexed: 12/04/2022] Open
Abstract
Infertility is a major global health issue and is associated with significant psychological distress for afflicted couples. In vitro fertilisation (IVF) utilises supra-physiological doses of stimulatory hormones to induce the growth of multiple ovarian follicles to enable surgical retrieval of several oocytes for subsequent fertilisation and implantation into the maternal endometrium. The supra-physiological degree of ovarian stimulation can lead to potential risks during IVF treatment, including ovarian hyperstimulation syndrome (OHSS) and multiple pregnancy. The choice of oocyte maturation trigger, such as human chorionic gonadotrophin (hCG) or gonadotrophin releasing hormone agonist (GnRHa), can impact both the efficacy of IVF treatment with a bearing on luteal phase hormonal dynamics and thus the degree of luteal phase support required to maintain optimal pregnancy rates, as well as on safety of treatment with particular respect to the risk of OHSS. Kisspeptin regulates gonadotrophin releasing hormone (GnRH) release and is therefore a key regulator of the hypothalamo-pituitary-gonadal (HPG) axis. Kisspeptin has been shown to be requisite for the occurrence of the physiological ovulatory luteinising hormone (LH) surge. In this review, we discuss the potential use of kisspeptin as a novel trigger of oocyte maturation.
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Affiliation(s)
- Bhavna Sharma
- Section of Investigative Medicine, Imperial College London, London, United Kingdom
| | - Kanyada Koysombat
- Section of Investigative Medicine, Imperial College London, London, United Kingdom
| | - Alexander N. Comninos
- Department of Endocrinology, Imperial College Healthcare NHS trust, London, United Kingdom
| | - Waljit S. Dhillo
- Section of Investigative Medicine, Imperial College London, London, United Kingdom
- Department of Endocrinology, Imperial College Healthcare NHS trust, London, United Kingdom
| | - Ali Abbara
- Section of Investigative Medicine, Imperial College London, London, United Kingdom
- Department of Endocrinology, Imperial College Healthcare NHS trust, London, United Kingdom
- *Correspondence: Ali Abbara,
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20
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Santos LC, Dos Anjos Cordeiro JM, Santana LDS, Barbosa EM, Santos BR, da Silva TQM, de Souza SS, Corrêa JMX, Lavor MSL, da Silva EB, Silva JF. Expression profile of the Kisspeptin/Kiss1r system and angiogenic and immunological mediators in the ovary of cyclic and pregnant cats. Domest Anim Endocrinol 2022; 78:106650. [PMID: 34399365 DOI: 10.1016/j.domaniend.2021.106650] [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: 05/24/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 11/03/2022]
Abstract
The Kisspeptin/Kiss1r system has been studied in mammalian ovaries. However, there are still no studies on the modulation of this system and its relationship with angiogenic and immunological mediators in the ovary of domestic cats, especially during pregnancy. We evaluated the expression of Kisspeptin/Kiss1r and angiogenic and immunological mediators during folliculogenesis, luteogenesis and luteal regression of cyclic and pregnant cats. The ovary exhibited moderate to intense expression for Kiss1, VEGF, Flk-1, INFγ and MIF in oocytes and the follicular wall, while Kiss1r expression was low in granulosa cells. In these cells, there was also a greater expression of Kiss1, INFγ and MIF, mainly in secondary follicles, while tertiary and preovulatory follicles exhibited greater expression of VEGF and Flk-1 in this layer. In luteogenesis, Kiss1 immunostaining was higher in mature corpora lutea (MCL) of pregnant cats compared to vacuolated CL (VCL) and corpus albicans (CA). Pregnancy also increased the luteal gene expression of Kiss1 as well as Kiss1, Kiss1r, Flk-1, and MIF immunostaining in MCL, while reduced the area of VEGF expression in VCL and luteal mRNA expression of Mif when compared to non-pregnant animals. In addition, positive gene correlation between Kiss1r and Mif was observed in the CL. Kiss1, Kiss1r, Vegf and Mif expression were lower in the CA of cats in anestrus. These findings reveal that the expression of Kisspeptin/Kiss1r and angiogenic and immunological mediators, in the ovary of domestic cats, depend on the follicular and luteal stage, and the luteal expression of these mediators is influenced by pregnancy.
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Affiliation(s)
- Luciano Cardoso Santos
- Department of Biological Sciences, Centro de Microscopia Eletronica, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | | | - Larissa da Silva Santana
- Department of Biological Sciences, Centro de Microscopia Eletronica, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Erikles Macêdo Barbosa
- Department of Biological Sciences, Centro de Microscopia Eletronica, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Bianca Reis Santos
- Department of Biological Sciences, Centro de Microscopia Eletronica, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Thayná Queiroz Menezes da Silva
- Department of Biological Sciences, Centro de Microscopia Eletronica, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Sophia Saraiva de Souza
- Department of Agricultural Sciences, Hospital Veterinario, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Janaina Maria Xavier Corrêa
- Department of Agricultural Sciences, Hospital Veterinario, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Mário Sergio Lima Lavor
- Department of Agricultural Sciences, Hospital Veterinario, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Elisângela Barboza da Silva
- Department of Agricultural Sciences, Hospital Veterinario, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil
| | - Juneo Freitas Silva
- Department of Biological Sciences, Centro de Microscopia Eletronica, Universidade Estadual de Santa Cruz, 45662-900, Ilheus, Brazil.
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21
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Gloria A, Contri A, Mele E, Fasano S, Pierantoni R, Meccariello R. Kisspeptin Receptor on the Sperm Surface Reflects Epididymal Maturation in the Dog. Int J Mol Sci 2021; 22:ijms221810120. [PMID: 34576283 PMCID: PMC8466692 DOI: 10.3390/ijms221810120] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/14/2021] [Accepted: 09/16/2021] [Indexed: 11/16/2022] Open
Abstract
Alongside the well-known central modulatory role, the Kisspeptin system, comprising Kiss1, its cleavage products (Kisspeptins), and Kisspeptin receptor (Kiss1R), was found to regulate gonadal functions in vertebrates; however, its functional role in the male gamete and its localization during maturation have been poorly understood. The present study analyzed Kisspeptin system in dog testis and spermatozoa recovered from different segments of the epididymis, with focus on Kiss1R on sperm surface alongside the maturation during epididymal transit, demonstrated by modification in sperm kinetic, morphology, and protamination. The proteins Kiss1 and Kiss1R were detected in dog testis. The receptor Kiss1R only was detected in total protein extracts from epididymis spermatozoa, whereas dot blot revealed Kiss1 immunoreactivity in the epidydimal fluid. An increase of the Kiss1R protein on sperm surface along the length of the epididymis, with spermatozoa in the tail showing plasma membrane integrity and Kiss1R protein (p < 0.05 vs. epididymis head and body) was observed by flow cytometry and further confirmed by epifluorescence microscopy and Western blot carried on sperm membrane preparations. In parallel, during the transit in the epididymis spermatozoa significantly modified their ability to move and the pattern of motility; a progressive increase in protaminization also occurred. In conclusion, Kisspeptin system was detected in dog testis and spermatozoa. Kiss1R trafficking toward plasma membrane along the length of the epididymis and Kiss1 in epididymal fluid suggested a new functional role of the Kisspeptin system in sperm maturation and storage.
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Affiliation(s)
- Alessia Gloria
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano d’Accio, 64100 Teramo, Italy;
| | - Alberto Contri
- Faculty of Biosciences and Technologies for Agriculture Food and Environment, University of Teramo, Via Balzarini 1, 64100 Teramo, Italy
- Correspondence: (A.C.); (R.M.)
| | - Elena Mele
- Department of Movement Sciences and Wellbeing, Parthenope University of Naples, 80133 Naples, Italy;
| | - Silvia Fasano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.F.); (R.P.)
| | - Riccardo Pierantoni
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.F.); (R.P.)
| | - Rosaria Meccariello
- Department of Movement Sciences and Wellbeing, Parthenope University of Naples, 80133 Naples, Italy;
- Correspondence: (A.C.); (R.M.)
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22
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Hypothalamic neurokinin signalling and its application in reproductive medicine. Pharmacol Ther 2021; 230:107960. [PMID: 34273412 DOI: 10.1016/j.pharmthera.2021.107960] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/06/2021] [Accepted: 07/08/2021] [Indexed: 12/29/2022]
Abstract
The discovery of the essential requirement for kisspeptin and subsequently neurokinin B signalling for human reproductive function has sparked renewed interest in the neuroendocrinology of reproduction. A key discovery has been a population of cells co-expressing both these neuropeptides and dynorphin in the hypothalamus, directly regulating gonadotropin hormone releasing hormone (GnRH) secretion and thus pituitary secretion of gonadotropins. These neurons also project to the vasomotor centre, and their overactivity in estrogen deficiency results in the common and debilitating hot flushes of the menopause. Several antagonists to the neurokinin 3 receptor, for which neurokinin B is the endogenous ligand, have been developed, and are entering clinical studies in human reproductive function and clinical trials. Even single doses can elicit marked declines in testosterone levels in men, and their use has elicited evidence of the regulation of ovarian follicle growth in women. The most advanced indication is the treatment of menopausal vasomotor symptoms, where these drugs show remarkable results in both the degree and speed of symptom control. A range of other reproductive indications are starting to be explored, notably in polycystic ovary syndrome, the most common endocrinopathy in women.
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23
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Gomes VCL, Sones JL. From inhibition of trophoblast cell invasion to proapoptosis: what are the potential roles of kisspeptins in preeclampsia? Am J Physiol Regul Integr Comp Physiol 2021; 321:R41-R48. [PMID: 34009045 DOI: 10.1152/ajpregu.00258.2020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Preeclampsia (PE) is a life-threatening human gestational syndrome with incompletely understood etiopathogenesis. The disorder has a spectrum of clinical features, likely due to a complex interaction between maternal predisposing factors and abnormalities at the maternal-fetal interface. Poor trophoblast cell invasion, inadequate uterine vascular remodeling, and placental hypoperfusion are considered as key placental events leading to PE. Kisspeptins, a family of small peptides derived from the KISS1 gene, have been implicated in the development of this syndrome. Most studies of kisspeptin expression in PE have reported an upregulation of kisspeptins and/or their cognate receptor in preeclamptic placentas. Conversely, maternal peripheral blood concentration of kisspeptins is reportedly lower in PE than in uncomplicated pregnancies. This apparent paradox remains to be further elucidated. Although kisspeptins were initially known for inhibiting cellular migration and invasion, other biological activities attributed to these peptides include neuroendocrine regulation of reproduction, metabolism regulation, inhibition of angiogenesis, and induction of apoptosis. This review summarizes the current knowledge on expression and biological activity of kisspeptins at the maternal-fetal interface in the context of PE.
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Affiliation(s)
- Viviane C L Gomes
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, Louisiana
| | - Jenny L Sones
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, Louisiana
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24
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Zmijewska A, Czelejewska W, Drzewiecka EM, Franczak A. Effect of kisspeptin (KISS) and RFamide-related peptide-3 (RFRP-3) on the synthesis and secretion of FSH in vitro by pituitary cells in pigs. Theriogenology 2021; 171:72-84. [PMID: 34044335 DOI: 10.1016/j.theriogenology.2021.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 04/17/2021] [Accepted: 05/10/2021] [Indexed: 10/21/2022]
Abstract
Kisspeptins (KISSs) and RFamide-related peptide-3 (RFRP-3) affect the synthesis and secretion of luteinizing hormone (LH) and modulate female reproductive processes. The presence of KISS and RFRP-3 in the porcine pituitary gland and their contribution to the regulation of follicle-stimulating hormone (FSH) synthesis and secretion is unknown. This study analyzed the presence of KISS and RFRP-3 in the pituitary of estrous-cyclic pigs on days 2 to 3, 10 to 11, 12 to 13, 15 to 16 and 19 to 20 and early pregnant pigs on days 10 to 11, 12 to 13 and 15 to 16, and evaluated the effect of KISS and RFRP-3 on β-Fsh mRNA expression and FSH secretion in vitro by pituitary cells collected on selected days of the estrous cycle. The cells were cultured in vitro and treated with KISS (10-6 M, 10-7 M) and RFRP-3 (10-6 M, 10-7 M) or gonadotropin-releasing hormone (GnRH; 100 ng/mL) alone and in combinations (4 h or 24 h). The relative abundance of Kiss and Rfrp-3 and their receptor mRNA transcripts, as well as the KISS and RFRP-3 proteins, were found in the pituitaries of estrous-cyclic and early pregnant pigs. KISS after 4 h increased the secretion of FSH in estrous cyclic pigs mostly during the early-luteal phase and luteolysis. RFRP-3 inhibited the synthesis and secretion of FSH in estrous-cyclic pigs on days 19 to 20 and the secretion of FSH on days 2 to 3 and 10 to 12 of the estrous cycle compared with GnRH-treated cells. KISS in co-treatment with GnRH after 24 h enhanced FSH release on days 2 to 3 and 15 to 16 of the estrous cycle. In conclusion, KISS and RFRP-3 systems are present in the pituitary of estrous-cyclic and pregnant pigs. In estrous-cyclic pigs, KISS and RFRP-3 may affect the synthesis and secretion of FSH by pituitary cells.
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Affiliation(s)
- Agata Zmijewska
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Oczapowski 1A, 10-719, Olsztyn, Poland.
| | - Wioleta Czelejewska
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Oczapowski 1A, 10-719, Olsztyn, Poland
| | - Ewa M Drzewiecka
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Oczapowski 1A, 10-719, Olsztyn, Poland
| | - Anita Franczak
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Oczapowski 1A, 10-719, Olsztyn, Poland
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25
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Izzi-Engbeaya C, Dhillo WS. Emerging roles for kisspeptin in metabolism. J Physiol 2021; 600:1079-1088. [PMID: 33977536 DOI: 10.1113/jp281712] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 04/12/2021] [Indexed: 11/08/2022] Open
Abstract
Kisspeptin, a neuropeptide hormone, has been firmly established as a key regulator of the hypothalamic-pituitary-gonadal axis and mammalian reproductive behaviour. In recent years, a growing body of evidence has emerged suggesting a role for kisspeptin in regulating metabolic processes. This data suggest that kisspeptin exerts its metabolic effects indirectly via gonadal hormones and/or directly via the kisspeptin receptor in the brain, pancreas and brown adipose tissue. Kisspeptin receptor knockout studies indicate that kisspeptin may play sexually dimorphic roles in the physiological regulation of energy expenditure, food intake and body weight. Some, but not all, in vitro work demonstrates positive effects on glucose-stimulated insulin secretion, which is more marked at higher kisspeptin concentrations. Acute and chronic in vivo rodent, non-human primate and human studies reveal enhancement of glucose-stimulated insulin secretion in response to pharmacological doses of kisspeptin. Although significant progress has been made in elucidating the metabolic effects of kisspeptin, further mechanistic work and translational studies are required to address unanswered questions and establish the metabolic effects of kisspeptin in diverse human populations (including women, people with obesity and people with diabetes).
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Affiliation(s)
- Chioma Izzi-Engbeaya
- Section of Endocrinology & Investigative Medicine, Imperial College London, London, UK.,Imperial Centre for Endocrinology, Imperial College Healthcare NHS Trust, London, UK
| | - Waljit S Dhillo
- Section of Endocrinology & Investigative Medicine, Imperial College London, London, UK.,Imperial Centre for Endocrinology, Imperial College Healthcare NHS Trust, London, UK
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26
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Schaffer A, Hajagos-Tóth J, Ducza E, Bódi N, Bagyánszki M, Szalai Z, Gáspár R. The ontogeny of kisspeptin receptor in the uterine contractions in rats: Its possible role in the quiescence of non-pregnant and pregnant uteri. Eur J Pharmacol 2021; 896:173924. [PMID: 33548216 DOI: 10.1016/j.ejphar.2021.173924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/20/2021] [Accepted: 01/29/2021] [Indexed: 10/22/2022]
Abstract
The objectives of this study were to investigate the effects of KISS1 94-121 fragment on the contractility of non-pregnant and pregnant rat uteri, and to determine the uterine and myometrial expressions of Kiss1r. Uterine muscle strips were obtained from non-pregnant Sprague-Dawley rats in oestrous phase and from pregnant rats on gestational days 5, 15, 18, 20 or 22. The in vitro contractility measurements were carried out in an isolated organ bath in the presence of KISS1 94-121. Experiments with 5-day pregnant tissues were also performed in the presence of kisspeptin-234 trifluoroacetate. The mRNA and protein expressions of Kiss1r were measured by RT-PCR and Western blot analysis, while localizations of receptors were defined by fluorescent immunohistochemistry. KISS1 94-121 induced a dose-dependent relaxation both in non-pregnant and pregnant intact and endometrium-denuded uteri. A gradual decrease was found in the uterine expressions of Kiss1r mRNA and protein towards the end of the gestational period, and it was further confirmed by the immunohistochemical results. The significant majority of Kiss1r is found in the myometrium, however the few endometrial Kiss1r also influences the uterine contractions. The relaxing effect of kisspeptin is continuously reduced towards the end of gestational period in parallel with the reduction of Kiss1r expression. Our results suggest a putative role of kisspeptin in the maintenance of uterine quiescence that may have significance in miscarriage or preterm contractions.
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Affiliation(s)
- Annamária Schaffer
- Department of Pharmacology and Pharmacotherapy, Interdisciplinary Excellence Centre, Faculty of Medicine, University of Szeged, Hungary
| | - Judit Hajagos-Tóth
- Department of Pharmacology and Pharmacotherapy, Interdisciplinary Excellence Centre, Faculty of Medicine, University of Szeged, Hungary
| | - Eszter Ducza
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Hungary
| | - Nikolett Bódi
- Department of Physiology, Anatomy and Neuroscience, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Hungary
| | - Mária Bagyánszki
- Department of Physiology, Anatomy and Neuroscience, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Hungary
| | - Zita Szalai
- Department of Physiology, Anatomy and Neuroscience, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Hungary
| | - Róbert Gáspár
- Department of Pharmacology and Pharmacotherapy, Interdisciplinary Excellence Centre, Faculty of Medicine, University of Szeged, Hungary.
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27
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Chiang CM, Chiu HY, Jong DS, Wu LS, Lee YJ, Chiu CH. Role of the kisspeptin/KISS1 receptor system in the testicular development of mice. J Chin Med Assoc 2021; 84:203-211. [PMID: 33543882 DOI: 10.1097/jcma.0000000000000443f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Kisspeptin and its receptor KISS1R have been found to be essential regulators of reproductive function. Previous data have revealed the presence of Kiss1 and Kiss1r mRNAs in the hypothalamus and the testis of humans and rodents. However, the precise location and possible physiological role of the kisspeptin/KISS1R system in the testis remain ambiguous. METHODS We first produced an anti-KISS1R immunoglobulin Y antibody for KISS1R identification. To detect the exact sites of KISS1R and kisspeptin expression in the testis, we conducted immunohistochemistry assays on sections of testes. We used real-time polymerase chain reactions to identify Kiss1r in mice and to determine the expression levels of testicular genes. Finally, to verify the upstream regulation on the Kisspeptin/KISS1 receptor system, we treated primary mouse Leydig cells and MA-10 cells with luteinizing hormone (LH) and Br-cAMP, respectively, and examined Kiss1 and Kiss1r mRNA expression. RESULTS Immunohistochemistry assays revealed that kisspeptin was expressed in Leydig cells and KISS1R was localized in the seminiferous tubules. With real-time polymerase chain reactions, we found Kiss1r mRNA was constitutively expressed in the mouse testis from birth until the postnatal fourth week. Furthermore, mRNA expression of Kiss1 was synchronized with that of Insl3 and Cyp19a. However, the expression of the LH receptor-encoding gene increased 1 week earlier than did Kiss1 expression. This indicated that the kisspeptin/KISS1R system in the testis may be controlled by LH and cAMP signaling pathways. Finally, we confirmed that Kiss1 mRNA expression was increased in both LH-treated primary Leydig cells and Br-cAMP-treated MA-10 cells (p < 0.05). On the other hand, cotreatment of both cell lines with Br-cAMP and a protein kinase A inhibitor RP-cAMP significantly suppressed 50% of Br-cAMP-induced Kiss1 expression (p < 0.05). CONCLUSION We discovered that Kiss1 expression in mouse Leydig cells was induced by LH through the cAMP/PKA pathway. Based on the presence of kisspeptin receptors on spermatids, we inferred that kisspeptin- and development-related factors have synergistic effects on spermatogenesis. Nevertheless, more studies are required to elaborate the role of the kisspeptin/KISS1R system in testicular development.
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Affiliation(s)
- Chi-Ming Chiang
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan, ROC
- Department of Orthopedics Surgery, Cardinal Tien Hospital, New Taipei City, Taiwan, ROC
- Professional Master Program for Artificial Intelligence in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
| | - Hsin-Yi Chiu
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan, ROC
- Division of Thoracic Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei, Taiwan, ROC
- Department of Medical Education, Taipei Medical University Hospital, Taipei, Taiwan, ROC
- Department of Education and Humanities in Medicine, School of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
- Department of Surgery, School of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
| | - De-Shien Jong
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan, ROC
| | - Leang-Shin Wu
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan, ROC
| | - Yue-Jia Lee
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan, ROC
| | - Chih-Hsien Chiu
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan, ROC
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28
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Santos LC, Dos Anjos Cordeiro JM, da Silva Santana L, Santana LR, Santos BR, Barbosa EM, da Silva TQM, Corrêa JMX, Lavor MSL, da Silva EB, de Melo Ocarino N, Serakides R, Silva JF. Pyometra and estrous cycle modulate the uterine expression of the kisspeptin system and angiogenic and immune factors in cats. Biol Reprod 2020; 104:548-561. [PMID: 33348359 DOI: 10.1093/biolre/ioaa229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/26/2020] [Accepted: 12/14/2020] [Indexed: 12/16/2022] Open
Abstract
Failures in hypothalamic kisspeptin/Kiss1r signaling are associated with infertility, and in vitro studies have shown that kisspeptin can modulate angiogenesis and immune activity. Because there is no in vivo research on the functional relationship between these factors in the reproductive system, especially in domestic cats, we evaluated the expression profile of kisspeptin/Kiss1r and angiogenic and immunological mediators in the genital tract of cyclic cats and of those with pyometra. The uterus of cats in diestrus exhibited greater gene and protein expression of Kiss1, as well as Vegf, Pigf, Mif, and Il6. In contrast, Kiss1r presented greater expression in proestrus/estrus, similarly to that observed for the immunostaining of INFγ, MIF, TNFα, and IL10. These factors were positively correlated with Kiss1 and/or Kiss1r, and a positive correlation between Kiss1 and Kiss1r was also observed in the uterus of cats during the estrous cycle. Cats with pyometra showed greater immunostaining of Kiss1 and Kiss1r on the endometrial surface and reduced immunostaining of Kiss1 in deep glands, whereas there was a significant reduction in Vegf, Pigf, Mif, and Il6 mRNA, and an increase in Tnf mRNA. The findings reveal that there is a gene correlation between kisspeptin/Kiss1r and angiogenic and immune mediators in the uterus of the domestic cat, which is modulated by the estrous cycle, and that pyometra affects the expression of these mediators. This study suggests, for the first time, a functional relationship between the Kiss/Kiss1r system and angiogenic and immune mediators in the female genital tract.
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Affiliation(s)
- Luciano Cardoso Santos
- Centro de Microscopia Eletronica, Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Jeane Martinha Dos Anjos Cordeiro
- Centro de Microscopia Eletronica, Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Larissa da Silva Santana
- Centro de Microscopia Eletronica, Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Larissa Rodrigues Santana
- Hospital Veterinario, Departamento de Ciencias Agrarias e Ambientais, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Bianca Reis Santos
- Centro de Microscopia Eletronica, Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Erikles Macêdo Barbosa
- Centro de Microscopia Eletronica, Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Thayná Queiroz Menezes da Silva
- Centro de Microscopia Eletronica, Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Janaina Maria Xavier Corrêa
- Hospital Veterinario, Departamento de Ciencias Agrarias e Ambientais, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Mário Sergio Lima Lavor
- Hospital Veterinario, Departamento de Ciencias Agrarias e Ambientais, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Elisângela Barboza da Silva
- Hospital Veterinario, Departamento de Ciencias Agrarias e Ambientais, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
| | - Natália de Melo Ocarino
- Departamento de Clinica e Cirurgia Veterinarias, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rogéria Serakides
- Departamento de Clinica e Cirurgia Veterinarias, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Juneo Freitas Silva
- Centro de Microscopia Eletronica, Departamento de Ciencias Biologicas, Universidade Estadual de Santa Cruz, Campus Soane Nazare de Andrade, Ilheus, Brazil
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29
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Mescoli A, Maffei G, Pillo G, Bortone G, Marchesi S, Morandi E, Ranzi A, Rotondo F, Serra S, Vaccari M, Zauli Sajani S, Mascolo MG, Jacobs MN, Colacci A. The Secretive Liaison of Particulate Matter and SARS-CoV-2. A Hypothesis and Theory Investigation. Front Genet 2020; 11:579964. [PMID: 33240326 PMCID: PMC7680895 DOI: 10.3389/fgene.2020.579964] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/11/2020] [Indexed: 12/29/2022] Open
Abstract
As the novel coronavirus disease sweeps across the world, there is growing speculation on the role that atmospheric factors may have played on the different distribution of SARS-CoV-2, and on the epidemiological characteristics of COVID-19. Knowing the role that environmental factors play in influenza virus outbreaks, environmental pollution and, in particular, atmospheric airborne (particulate matter, PM) has been considered as a potential key factor in the spread and mortality of COVID-19. A possible role of the PM as the virus carrier has also been debated. The role of PM in exacerbating respiratory and cardiovascular disease has been well recognized. Accumulating evidence support the hypothesis that PM can trigger inflammatory response at molecular, cellular and organ levels. On this basis, we developed the hypothesis that PM may play a role as a booster of COVID-19 rather than as a carrier of SARS-CoV-2. To support our hypothesis, we analyzed the molecular signatures detected in cells exposed to PM samples collected in one of the most affected areas by the COVID-19 outbreak, in Italy. T47D human breast adenocarcinoma cells were chosen to explore the global gene expression changes induced by the treatment with organic extracts of PM 2.5. The analysis of the KEGG's pathways showed modulation of several gene networks related to the leucocyte transendothelial migration, cytoskeleton and adhesion system. Three major biological process were identified, including coagulation, growth control and immune response. The analysis of the modulated genes gave evidence for the involvement of PM in the endothelial disease, coagulation disorders, diabetes and reproductive toxicity, supporting the hypothesis that PM, directly or through molecular interplay, affects the same molecular targets as so far known for SARS-COV-2, contributing to the cytokines storm and to the aggravation of the symptoms triggered by COVID-19. We provide evidence for a plausible cooperation of receptors and transmembrane proteins, targeted by PM and involved in COVID-19, together with new insights into the molecular interplay of chemicals and pathogens that could be of importance for sustaining public health policies and developing new therapeutic approaches.
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Affiliation(s)
- Ada Mescoli
- Department of Experimental, Diagnostic and Specialty Medicine, Section of Cancerology, University of Bologna, Bologna, Italy
| | - Giangabriele Maffei
- Department of Experimental, Diagnostic and Specialty Medicine, Section of Cancerology, University of Bologna, Bologna, Italy
| | - Gelsomina Pillo
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | - Giuseppe Bortone
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | - Stefano Marchesi
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | - Elena Morandi
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | - Andrea Ranzi
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | - Francesca Rotondo
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | - Stefania Serra
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | - Monica Vaccari
- Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
| | | | | | - Miriam Naomi Jacobs
- Department of Toxicology, Centre for Radiation, Chemical and Environmental Hazards Public Health England, Chilton, United Kingdom
| | - Annamaria Colacci
- Department of Experimental, Diagnostic and Specialty Medicine, Section of Cancerology, University of Bologna, Bologna, Italy.,Agency for Prevention, Environment and Energy (Arpae), Emilia-Romagna, Italy
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Blasco V, Pinto FM, Fernández-Atucha A, González-Ravina C, Fernández-Sánchez M, Candenas L. Female infertility is associated with an altered expression of the neurokinin B/neurokinin B receptor and kisspeptin/kisspeptin receptor systems in ovarian granulosa and cumulus cells. Fertil Steril 2020; 114:869-878. [PMID: 32811673 DOI: 10.1016/j.fertnstert.2020.05.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/17/2020] [Accepted: 05/05/2020] [Indexed: 01/24/2023]
Abstract
OBJECTIVE To analyze and compare the expression profile of TAC3, TACR3, KISS1, and KISS1R in mural granulosa and cumulus cells from healthy oocyte donors and patients with different infertility etiologies, including advanced maternal age, endometriosis, and low ovarian response. DESIGN Genetic association study. SETTING Private fertility clinic and public research laboratory. PATIENT(S) Healthy oocyte donors and infertile women undergoing in vitro fertilization (IVF) treatment. INTERVENTION(S) IVF. MAIN OUTCOME MEASURE(S) Gene expression levels of KISS1, KISS1R, TAC3, and TACR3 in human mural granulosa and cumulus cells. RESULT(S) Infertile women showed statistically significantly altered expression levels of KISS1 (-2.57 ± 2.30 vs. -1.37 ± 2.11), TAC3 (-1.21 ± 1.40 vs. -1.49 ± 1.98), and TACR3 (-0.77 ± 1.36 vs. -0.03 ± 0.56) when compared with healthy oocyte donors. Advanced maternal age patients, endometriosis patients, and low responders showed specific and altered expression profiles in comparison with oocyte donors. CONCLUSION(S) Abnormal expression levels of KISS1/KISS1R and TAC3/TACR3 systems in granulosa cells might be involved in the decreased fertility associated to advanced maternal age, endometriosis, and low ovarian response.
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Affiliation(s)
- Victor Blasco
- Instituto de Investigaciones Químicas, CSIC, Seville, Spain; IVI-RMA Seville, Seville, Spain
| | | | | | | | - Manuel Fernández-Sánchez
- IVI-RMA Seville, Seville, Spain; IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain; Departamento de Cirugía, Universidad de Sevilla, Seville, Spain; Departamento de Biología Molecular e Ingeniería Bioquímica, Universidad Pablo de Olavide, Seville, Spain.
| | - Luz Candenas
- Instituto de Investigaciones Químicas, CSIC, Seville, Spain
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31
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Hu KL, Chang HM, Zhao HC, Yu Y, Li R, Qiao J. Potential roles for the kisspeptin/kisspeptin receptor system in implantation and placentation. Hum Reprod Update 2020; 25:326-343. [PMID: 30649364 PMCID: PMC6450039 DOI: 10.1093/humupd/dmy046] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 10/19/2018] [Accepted: 12/09/2018] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Initially identified as suppressors of metastasis in various types of cancer, kisspeptins are a family of neuropeptides that are key regulators of the mammalian reproductive axis. Accumulating evidence has shown that kisspeptin is able to control both the pulsatile and surge GnRH release, playing fundamental roles in female reproduction, which include the secretion of gonadotropins, puberty onset, brain sex differentiation, ovulation and the metabolic regulation of fertility. Furthermore, recent studies have demonstrated the involvement of the kisspeptin system in the processes of implantation and placentation. This review summarizes the current knowledge of the pathophysiological role and utility of these local placental regulatory factors as potential biomarkers during the early human gestation. OBJECTIVE AND RATIONALE A successful pregnancy, from the initiation of embryo implantation to parturition, is a complex process that requires the orchestration of a series of events. This review aims to concisely summarize what is known about the role of the kisspeptin system in implantation, placentation, early human pregnancy and pregnancy-related disorders, and to develop strategies for predicting, diagnosing and treating these abnormalities. SEARCH METHODS Using the PubMed and Google Scholar databases, we performed comprehensive literature searches in the English language describing the advancement of kisspeptins and the kisspeptin receptor (KISS1R) in implantation, placentation and early pregnancy in humans, since its initial identification in 1996 and ending in July 2018. OUTCOMES Recent studies have shown the coordinated spatial and temporal expression patterns of kisspeptins and KISS1R during human pregnancy. The experimental data gathered recently suggest putative roles of kisspeptin signaling in the regulation of trophoblast invasion, embryo implantation, placentation and early pregnancy. Dysregulation of the kisspeptin system may negatively affect the processes of implantation as well as placentation. Clinical studies indicate that the circulating levels of kisspeptins or the expression levels of kisspeptin/KISS1R in the placental tissues may be used as potential diagnostic markers for women with miscarriage and gestational trophoblastic neoplasia. WIDER IMPLICATIONS Comprehensive research on the pathophysiological role of the kisspeptin/KISS1R system in implantation and placentation will provide a dynamic and powerful approach to understanding the processes of early pregnancy, with potential applications in observational and analytic screening as well as the diagnosis, prognosis and treatment of implantation failure and early pregnancy-related disorders.
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Affiliation(s)
- Kai-Lun Hu
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Department of Obstetrics and Gynecology, Ministry of Education, Center for Reproductive Medicine, Peking University Third Hospital, Beijing, China
| | - Hsun-Ming Chang
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Department of Obstetrics and Gynecology, Ministry of Education, Center for Reproductive Medicine, Peking University Third Hospital, Beijing, China
| | - Hong-Cui Zhao
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Department of Obstetrics and Gynecology, Ministry of Education, Center for Reproductive Medicine, Peking University Third Hospital, Beijing, China
| | - Yang Yu
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Department of Obstetrics and Gynecology, Ministry of Education, Center for Reproductive Medicine, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Rong Li
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Department of Obstetrics and Gynecology, Ministry of Education, Center for Reproductive Medicine, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Jie Qiao
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Department of Obstetrics and Gynecology, Ministry of Education, Center for Reproductive Medicine, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
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32
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Martins Trevisan C, Naslavsky MS, Monfardini F, Wang J, Zatz M, Peluso C, Pellegrino R, Mafra F, Hakonarson H, Ferreira FM, Nakaya H, Christofolini DM, Montagna E, Crandall KA, Barbosa CP, Bianco B. Variants in the Kisspeptin-GnRH Pathway Modulate the Hormonal Profile and Reproductive Outcomes. DNA Cell Biol 2020; 39:1012-1022. [PMID: 32352843 DOI: 10.1089/dna.2019.5165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Kisspeptin has been identified as a key regulatory protein in the release of gonadotropin-releasing hormone (GnRH), which subsequently increases gonadotropin secretion during puberty to establish reproductive function and regulate the hypothalamic-pituitary-gonadal axis. The effects of variants in the KISS1, KISS1R, and GNRHR genes and their possible association with assisted reproduction outcomes remain to be elucidated. In this study, we used next-generation sequencing to investigate the associations of the genetic diversity at the candidate loci for KISS1, KISS1R, and GNRHR with the hormonal profiles and reproductive outcomes in 86 women who underwent in vitro fertilization treatments. Variants in the KISS1 and KISS1R genes were associated with luteinizing hormone (rs35431622:T>C), anti-Mullerian hormone (rs71745629delT), follicle-stimulating hormone (rs73507529:C>A), and estradiol (rs73507527:G>A, rs350130:A>G, and rs73507529:C>A) levels, as well as with reproductive outcomes such as the number of oocytes retrieved (s35431622:T>C), metaphasis II oocytes (rs35431622:T>C), and embryos (rs1132506:G>C). Additionally, variants in the GNRHR UTR3' (rs1038426:C>A, rs12508464:A>C, rs13150734:C>A, rs17635850:A>G, rs35683646:G>A, rs35610027:C>G, rs35845954:T>C, rs17635749:C>T, and rs7666201:C>T) were associated with low prolactin levels. A conjoint analysis of clinical, hormonal, and genetic variables using a generalized linear model identified two variants of the KISS1 gene (rs71745629delT and rs1132506:G>C) that were significantly associated with hormonal variations and reproductive outcomes. The findings suggest that variants in KISS1, KISS1R, and GNRHR genes can modulate hormone levels and reproductive outcomes.
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Affiliation(s)
- Camila Martins Trevisan
- Discipline of Sexual and Reproductive Health and Populational Genetics, Department of Collective Health, Centro Universitário Saúde ABC, FMABC, Santo André, São Paulo, Brazil
| | - Michel Satya Naslavsky
- Human Genome and Stem Cell Research Center, Biosciences Institute, Universidade de São Paulo, São Paulo, Brazil
| | - Frederico Monfardini
- Human Genome and Stem Cell Research Center, Biosciences Institute, Universidade de São Paulo, São Paulo, Brazil
| | - Jaqueline Wang
- Human Genome and Stem Cell Research Center, Biosciences Institute, Universidade de São Paulo, São Paulo, Brazil
| | - Mayana Zatz
- Human Genome and Stem Cell Research Center, Biosciences Institute, Universidade de São Paulo, São Paulo, Brazil
| | - Carla Peluso
- Discipline of Sexual and Reproductive Health and Populational Genetics, Department of Collective Health, Centro Universitário Saúde ABC, FMABC, Santo André, São Paulo, Brazil
| | - Renata Pellegrino
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Fernanda Mafra
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Hakon Hakonarson
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Frederico Moraes Ferreira
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, Universidade de São Paulo, São Paulo, Brazil
| | - Helder Nakaya
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, Universidade de São Paulo, São Paulo, Brazil
| | - Denise Maria Christofolini
- Discipline of Sexual and Reproductive Health and Populational Genetics, Department of Collective Health, Centro Universitário Saúde ABC, FMABC, Santo André, São Paulo, Brazil
| | - Erik Montagna
- Postgraduation Program in Health Sciences, Research and Innovation, Centro Universitário Saúde ABC, FMABC, Santo André, São Paulo, Brazil
| | - Keith A Crandall
- Computational Biology Institute, Milken Institute School of Public Health, George Washington University, Washington, District of Columbia, USA
| | - Caio Parente Barbosa
- Discipline of Sexual and Reproductive Health and Populational Genetics, Department of Collective Health, Centro Universitário Saúde ABC, FMABC, Santo André, São Paulo, Brazil
| | - Bianca Bianco
- Discipline of Sexual and Reproductive Health and Populational Genetics, Department of Collective Health, Centro Universitário Saúde ABC, FMABC, Santo André, São Paulo, Brazil
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33
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Zhang R, Nie H, Duan S, Yan P, Izaz A, Wang R, Zhou Y, Wu X. Cloning, characterisation and expression profile of kisspeptin1 and the kisspeptin1 receptor in the hypothalamic–pituitary–ovarian axis of Chinese alligator Alligator sinensis during the reproductive cycle. Reprod Fertil Dev 2020; 32:792-804. [DOI: 10.1071/rd19332] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/22/2020] [Indexed: 12/24/2022] Open
Abstract
Kisspeptin1 (Kiss1), a product of the Kiss1 gene, plays an important role in the regulation of reproduction in vertebrates by activating the Kiss1 receptor (Kiss1R) and its coexpression with gonadotrophin-releasing hormone (GnRH) in GnRH neurons. The purpose of this study was to clone the Kiss1 and Kiss1R genes found in the brain of Alligator sinensis and to explore their relationship with reproduction. The full-length cDNA of Kiss1 is 816bp, the open reading frame (ORF) is 417bp and the gene encodes a 138-amino acid precursor protein. The full-length cDNA of Kiss1R is 2348bp, the ORF is 1086bp and the gene encodes a 361-amino acid protein. Quantitative polymerase chain reaction showed that, except for Kiss1R expression in the hypothalamus, the expression of Kiss1 and Kiss1Rduring the reproductive period of A. sinensis was higher than that in the hypothalamus, pituitary gland and ovary during the hibernation period. The changes in GnRH2 mRNA in the hypothalamus were similar to those of GnRH1 and peaked during the reproductive period. This study confirms the existence of Kiss1 and Kiss1R in A. sinensis and the findings strongly suggest that Kiss1 and Kiss1R may participate in the regulation of GnRH secretion in the hypothalamus of alligators during the reproductive period. Furthermore, this is the first report of the full-length cDNA sequences of Kiss1 and Kiss1R in reptiles.
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34
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Tachykinins and Kisspeptins in the Regulation of Human Male Fertility. J Clin Med 2019; 9:jcm9010113. [PMID: 31906206 PMCID: PMC7019842 DOI: 10.3390/jcm9010113] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 12/24/2019] [Accepted: 12/27/2019] [Indexed: 12/21/2022] Open
Abstract
Infertility is a global disease affecting one out of six couples of reproductive age in the world, with a male factor involved in half the cases. There is still much to know about the regulation of human male fertility and thus we decided to focus on two peptide families that seem to play a key role in this function: tachykinins and kisspeptins. With this aim, we conducted an exhaustive review in order to describe the role of tachykinins and kisspeptins in human fertility and their possible implications in infertility etiopathogenesis. Many advances have been made to elucidate the roles of these two families in infertility, and multiple animal species have been studied, including humans. All of this knowledge could lead to new advances in male infertility diagnosis and treatment, but further research is needed to clarify all the implications of tachykinins and kisspeptins in fertility.
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35
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Zhang SS, Xu XX, Xiang WW, Zhang HH, Lin HL, Shen LE, Lin Q, Lin F, Zhou ZY. Using 17β-estradiol heparin-poloxamer thermosensitive hydrogel to enhance the endometrial regeneration and functional recovery of intrauterine adhesions in a rat model. FASEB J 2019; 34:446-457. [PMID: 31914682 DOI: 10.1096/fj.201901603rr] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/13/2019] [Accepted: 10/21/2019] [Indexed: 12/14/2022]
Abstract
Mechanical damage or infection to the endometrium can lead to the formation of adhesions in the uterine cavity, which may result in reduced reproductive outcome and/or pregnancy complications. The prognosis of this disease is poor due to few effective treatments and the complex environment of endometrium. Heparin-Poloxamer Hydrogel (HP hydrogel) is a nontoxic and biodegradable biomaterial, which has been commonly used as a sustained-release delivery system. In this study, we applied a mini-endometrial curette to scrape the endometrium of rats to mimic the process of curettage in patients. After the establishment of IUA model in rats, we injected the thermo-sensitive hydrogel(E2-HP hydrogel) into the injured uterine cavity and evaluated the therapeutic effect of E2-HP hydrogel on the recovery of IUA. Our results showed that E2-HP hydrogel can significantly facilitate the regeneration of injured endometrium along with inhibiting the cell apoptosis in IUA model. Furthermore, we revealed that E2-HP hydrogel on the recovery of IUA was closely associated with the upregulation of kisspeptin through activating the ERK1/2 and MAPKs p38 pathways. In conclusion, E2-HP hydrogel can effectively transfer E2 into the injured endometrium and it can be considered as a promising therapeutic method for the women with intrauterine adhesions.
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Affiliation(s)
- Si-Si Zhang
- Department of Gynaecology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Xin-Xin Xu
- Department of Gynaecology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wei-Wei Xiang
- Department of Neurology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hui-Heng Zhang
- School of the Second Clinical Medical Science, Wenzhou Medical University, Wenzhou, China
| | - Hui-Long Lin
- Department of Gynaecology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Lai-En Shen
- Department of Gynaecology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Qi Lin
- Department of Gynaecology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Feng Lin
- Department of Gynaecology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Zhi-Yang Zhou
- Department of Gynaecology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China.,International Peace Maternal and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
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36
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Dudek M, Ziarniak K, Cateau ML, Dufourny L, Sliwowska JH. Diabetes Type 2 and Kisspeptin: Central and Peripheral Sex-Specific Actions. Trends Endocrinol Metab 2019; 30:833-843. [PMID: 31699240 DOI: 10.1016/j.tem.2019.07.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/04/2019] [Accepted: 07/08/2019] [Indexed: 01/23/2023]
Abstract
Kisspeptin (KP) plays a major role in the regulation of reproduction governed by the hypothalamic-pituitary-gonadal (HPG) axis. However, recent findings suggest that the KP system is present not only centrally (at the level of the hypothalamus), but also in the peripheral organs crucial for the control of metabolism. The KP system is sexually differentiated in the hypothalamus, and it is of particular interest to study whether sex-specific responses to type 2 diabetes (DM2) exist centrally and peripherally. As collection of data is limited in humans, animal models of DM2 are useful to understand crosstalk between metabolism and reproduction. Sex-specific variations in the KP system reported in animals suggest a need for the development of gender specific therapeutic strategies to treat DM2.
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Affiliation(s)
- Monika Dudek
- Laboratory of Neurobiology, Institute of Zoology, Poznan University of Life Sciences, Wojska Polskiego 71C, 60-625 Poznan, Poland
| | - Kamil Ziarniak
- Laboratory of Neurobiology, Institute of Zoology, Poznan University of Life Sciences, Wojska Polskiego 71C, 60-625 Poznan, Poland
| | - Marie-Line Cateau
- UMR Physiologie de la Reproduction et des Comportements, INRA-CNRS-Université de Tours-IFCE, Centre INRA Val de Loire, F-37380 Nouzilly, France
| | - Laurence Dufourny
- UMR Physiologie de la Reproduction et des Comportements, INRA-CNRS-Université de Tours-IFCE, Centre INRA Val de Loire, F-37380 Nouzilly, France
| | - Joanna Helena Sliwowska
- Laboratory of Neurobiology, Institute of Zoology, Poznan University of Life Sciences, Wojska Polskiego 71C, 60-625 Poznan, Poland.
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37
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Hu G, He M, Ko WKW, Ye C, Hu Q, Wong AOL. IGFs Potentiate TAC3-induced SLα Expression via Upregulation of TACR3 Expression in Grass Carp Pituitary Cells. Cells 2019; 8:cells8080887. [PMID: 31412674 PMCID: PMC6721824 DOI: 10.3390/cells8080887] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 08/06/2019] [Accepted: 08/10/2019] [Indexed: 12/28/2022] Open
Abstract
In mammals, the tachykinin 3 (TAC3)/tachykinin receptor 3 (TACR3) systems have been confirmed to play an important role in the regulation of puberty onset. Using grass carp pituitary cells as the model, our recent study found that the TAC3 gene products could significantly induce somatolactin α (SLα) synthesis and secretion via TACR3 activation. In the present study, we seek to examine if pituitary TACR3 can serve as a regulatory target and contribute to TAC3 interactions with other SLα regulators. Firstly, grass carp TACR3 was cloned and tissue distribution showed that it could be highly detected in grass carp pituitary. Using HEK293 cells as the model, functional expression also revealed that grass carp TACR3 exhibited ligand binding selectivity and post-receptor signaling highly comparable to its mammalian counterpart. Using grass carp pituitary cells as the model, TACR3 mRNA expression could be stimulated by insulin-like growth factor (IGF)-I and -II via the IGF-I receptor coupled to phosphatidylinositol-3-kinase (PI3K)/protein kinase B (Akt) and mitogen-activated protein kinase (MAPK) pathways. Interestingly, IGF-I/-II cotreatment could also significantly enhance TAC3-induced SLα mRNA expression and the potentiating effect was dependent on TACR3 expression and activation of adenylate cyclase (AC)/cAMP/protein kinase A (PKA), phospholipase C (PLC)/inositol 1,4,5-triphosphate (IP3)/protein kinase C (PKC), and Ca2+/calmodulin (CaM)/calmodulin-dependent protein kinase II (CaMK-II) cascades. Besides, IGF-I-induced Akt phosphorylation but not MEK, extracellular signal-regulated kinase (ERK1/2), and P38MAPK phosphorylation was notably enhanced by TACR3 activation. These results, as a whole, suggest that the potentiating effect of IGFs on TAC3 gene products-induced SLα mRNA expression was mediated by TACR3 upregulation and functional crosstalk of post-receptor signaling in the pituitary.
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Affiliation(s)
- Guangfu Hu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
| | - Mulan He
- School of Biological Sciences, University of Hong Kong, Hong Kong, China
| | - Wendy K W Ko
- School of Biological Sciences, University of Hong Kong, Hong Kong, China
| | - Cheng Ye
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Qiongyao Hu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Anderson O L Wong
- School of Biological Sciences, University of Hong Kong, Hong Kong, China.
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38
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Cao Y, Li Z, Jiang W, Ling Y, Kuang H. Reproductive functions of Kisspeptin/KISS1R Systems in the Periphery. Reprod Biol Endocrinol 2019; 17:65. [PMID: 31399145 PMCID: PMC6689161 DOI: 10.1186/s12958-019-0511-x] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/07/2019] [Indexed: 12/16/2022] Open
Abstract
Kisspeptin and its G protein-coupled receptor KISS1R play key roles in mammalian reproduction due to their involvement in the onset of puberty and control of the hypothalamic-pituitary-gonadal axis. However, recent studies have indicated a potential role of extra-hypothalamic kisspeptin in reproductive function. Here, we summarize recent advances in our understanding of the physiological significance of kisspeptin/KISS1R in the peripheral reproductive system (including the ovary, testis, uterus, and placenta) and the potential role of kisspeptin/KISS1R in reproductive diseases. A comprehensive understanding of the expression, function, and potential molecular mechanisms of kisspeptin/KISS1R in the peripheral reproductive system will contribute to the diagnosis, treatment and prevention of reproductive diseases.
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Affiliation(s)
- Yubin Cao
- 0000 0001 2182 8825grid.260463.5Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
- 0000 0001 2182 8825grid.260463.5Department of Clinic medicine, School of Queen Mary, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
| | - Zeping Li
- 0000 0001 2182 8825grid.260463.5Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
- 0000 0001 2182 8825grid.260463.5Department of Clinic medicine, School of Queen Mary, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
| | - Wenyu Jiang
- 0000 0001 2182 8825grid.260463.5Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
- 0000 0001 2182 8825grid.260463.5Department of Clinic medicine, School of Queen Mary, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
| | - Yan Ling
- 0000 0004 1757 8108grid.415002.2Department of Obstetrics and Gynecology, Jiangxi Province People’s Hospital, Nanchang, Jiangxi 330006 People’s Republic of China
| | - Haibin Kuang
- 0000 0001 2182 8825grid.260463.5Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
- 0000 0001 2182 8825grid.260463.5Jiangxi Provincial Key Laboratory of Reproductive Physiology and Pathology, Medical Experimental Teaching Center, Nanchang University, Nanchang, Jiangxi 330006 People’s Republic of China
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Wójcik-Gładysz A, Szlis M, Przybył BJ, Polkowska J. Obestatin may affect the GnRH/KNDy gene network in sheep hypothalamus. Res Vet Sci 2019; 123:51-58. [DOI: 10.1016/j.rvsc.2018.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 12/15/2018] [Accepted: 12/17/2018] [Indexed: 02/06/2023]
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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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Kaya C, Alay İ, Babayeva G, Gedikbaşı A, Ertaş Kaya S, Ekin M, Yaşar L. Serum Kisspeptin levels in unexplained infertility, polycystic ovary syndrome, and male factor infertility. Gynecol Endocrinol 2019; 35:228-232. [PMID: 30328739 DOI: 10.1080/09513590.2018.1519792] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Kisspeptin (KP), a hypothalamic peptide, is known as an important marker for neuroendocrine regulation during the human reproduction process. The unexplained infertility (UI) group comprised 30 patients, polycystic ovary syndrome (PCOS) group comprised 29 patients and the male factor infertility (MFI) group comprised 27 patients. An observational cohort study was conducted. The basic characteristics of the study population, BMI, and serum FSH, LH, E2, AMH, KP, TSH, and PRL levels and antral follicle count (AFC) on the 3rd menstruation day were evaluated. The mean KP level was 281.98 ± 73.9 ng/ml in the UI group, 525.49 ± 164.17 ng/ml in the PCOS group, and 354.313 ± 111.38 ng/ml in the MFI group (p < .001). KP levels were significantly higher in the PCOS group than in the UI and MFI groups (p < .001 for both). AUC was 83% (95% CI: 73%-93%), with 375.15 (pg/ml) as the cutoff value in the PCOS group with 83% sensitivity and 79% specificity. UI may be treated by KP injection therapies and higher levels of KP may be a reliable marker for AFC and diagnosis of PCOS. Clinical Trials registration number: NCT03018314.
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Affiliation(s)
- Cihan Kaya
- a Department of Obstetrics and Gynecology , University of Health Sciences Bakirkoy Dr Sadi Konuk Training and Research Hospital , Istanbul , Turkey
| | - İsmail Alay
- a Department of Obstetrics and Gynecology , University of Health Sciences Bakirkoy Dr Sadi Konuk Training and Research Hospital , Istanbul , Turkey
| | - Günay Babayeva
- a Department of Obstetrics and Gynecology , University of Health Sciences Bakirkoy Dr Sadi Konuk Training and Research Hospital , Istanbul , Turkey
| | - Asuman Gedikbaşı
- b Department of Biochemistry , University of Health Sciences Bakirkoy Dr Sadi Konuk Training and Research Hospital , Istanbul , Turkey
| | - Sinem Ertaş Kaya
- c Department of Obstetrics and Gynecology , VKV American Hospital , Istanbul , Turkey
| | - Murat Ekin
- a Department of Obstetrics and Gynecology , University of Health Sciences Bakirkoy Dr Sadi Konuk Training and Research Hospital , Istanbul , Turkey
| | - Levent Yaşar
- a Department of Obstetrics and Gynecology , University of Health Sciences Bakirkoy Dr Sadi Konuk Training and Research Hospital , Istanbul , Turkey
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Owens LA, Abbara A, Lerner A, O'floinn S, Christopoulos G, Khanjani S, Islam R, Hardy K, Hanyaloglu AC, Lavery SA, Dhillo WS, Franks S. The direct and indirect effects of kisspeptin-54 on granulosa lutein cell function. Hum Reprod 2019; 33:292-302. [PMID: 29206944 DOI: 10.1093/humrep/dex357] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 11/13/2017] [Indexed: 11/12/2022] Open
Abstract
STUDY QUESTION What are the in vivo and in vitro actions of kisspeptin-54 on the expression of genes involved in ovarian reproductive function, steroidogenesis and ovarian hyperstimulation syndrome (OHSS) in granulosa lutein (GL) cells when compared with traditional triggers of oocyte maturation? SUMMARY ANSWER The use of kisspeptin-54 as an oocyte maturation trigger augmented expression of genes involved in ovarian steroidogenesis in human GL cells including, FSH receptor (FSHR), LH/hCG receptor (LHCGR), steroid acute regulatory protein (STAR), aromatase, estrogen receptors alpha and beta (ESR1, ESR2), 3-beta-hydroxysteroid dehydrogenase type 2 (3BHSD2) and inhibin A (INHBA), when compared to traditional maturation triggers, but did not alter markers of OHSS. WHAT IS KNOWN ALREADY hCG is the most widely used trigger of oocyte maturation, but is associated with an increased risk of OHSS. The use of GnRH agonists to trigger oocyte maturation is a safer alternative to hCG. More recently, kisspeptin-54 has emerged as a novel therapeutic option that safely triggers oocyte maturation even in women at high risk of OHSS. Kisspeptin indirectly stimulates gonadotropin secretion by acting on hypothalamic GnRH neurons. Kisspeptin and its receptor are also expressed in the human ovary, but there is limited data on the direct action of kisspeptin on the ovary. STUDY DESIGN SIZE, DURATION Forty-eight women undergoing IVF treatment for infertility consented to kisspeptin-54 triggering and/or granulosa cell collection and were included in the study. Twelve women received hCG, 12 received GnRH agonist and 24 received kisspeptin-54 to trigger oocyte maturation. In the kisspeptin-54 group, 12 received one injection of kisseptin-54 (9.6 nmol/kg) and 12 received two injections of kisspeptin-54 at a 10 h interval (9.6 nmol/kg × 2). PARTICIPANTS/MATERIALS, SETTING, METHODS Follicular fluid was aspirated and pooled from follicles during the retrieval of oocytes for IVF/ICSI. GL cells were isolated and either RNA extracted immediately or cultured in vitro ± kisspeptin or hCG. MAIN RESULTS AND THE ROLE OF CHANCE GL cells from women who had received kisspeptin-54 had a 14-fold and 8-fold higher gene expression of FSHR and a 2-fold (ns) and 2.5-fold (P < 0.05) higher expression of LHCGR than GL cells from women who had received hCG or GnRH agonist, respectively. CYP19A1 expression was 3.6-fold (P < 0.05) and 4.5-fold (P < 0.05) higher, STAR expression was 3.4-fold (P < 0.01) and 1.8-fold (P < 0.05) higher, HSD3B2 expression was 7.5- (P < 0.01) and 2.5-fold higher (P < 0.05), INHBA was 2.5-fold (P < 0.01) and 2.5-fold (P < 0.01) higher in GL cells from women who had received kisspeptin-54 than hCG or GnRHa, respectively. ESR1 (P < 0.05) and ESR2 (P < 0.05) both showed 3-fold higher expression in cells from kisspeptin treated than GnRHa treated women. Markers of vascular permeability and oocyte growth factors were unchanged (VEGFA, SERPINF1, CDH5, amphiregulin, epiregulin). Gene expression of kisspeptin receptor was unchanged. Whereas treating GL cells in vitro with hCG induced steroidogenic gene expression, kisspeptin-54 had no significant direct effects on either OHSS genes or steroidogenic genes. LIMITATIONS REASONS FOR CAUTION Most women in the study had PCOS, which may limit applicability to other patient groups. For the analysis of the in vitro effects of kisspeptin-54, it is important to note that GL cells had already been exposed in vivo to an alternate maturation trigger. WIDER IMPLICATIONS OF THE FINDINGS The profile of serum gonadotropins seen with kisspeptin administration compared to other triggers more closely resemble that of the natural cycle as compared with hCG. Thus, kisspeptin could potentially permit an ovarian environment augmented for steroidogenesis, in particular progesterone synthesis, which is required for embryo implantation. STUDY FUNDING/COMPETING INTEREST(S) Dr Owens is supported by an Imperial College London PhD Scholarship. Dr Abbara is supported by an National Institute of Health Research Academic Clinical Lectureship. The authors do not have any conflict of interest to declare. TRIAL REGISTRATION NUMBER ClinicalTrials.gov NCT01667406.
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Affiliation(s)
- L A Owens
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital, Imperial College, Du Cane Road, London W12 0NN, UK
| | - A Abbara
- Department of Investigative Medicine, Imperial College London, Hammersmith Hospital, Du Cane Road, London W12 0NN, UK
| | - A Lerner
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital, Imperial College, Du Cane Road, London W12 0NN, UK
| | - S O'floinn
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital, Imperial College, Du Cane Road, London W12 0NN, UK
| | - G Christopoulos
- Department of Reproductive Medicine, Hammersmith Hospital, Imperial College Healthcare NHS Trust, Du Cane Road, London W12 0NN, UK
| | - S Khanjani
- Department of Reproductive Medicine, Hammersmith Hospital, Imperial College Healthcare NHS Trust, Du Cane Road, London W12 0NN, UK
| | - R Islam
- Department of Reproductive Medicine, Hammersmith Hospital, Imperial College Healthcare NHS Trust, Du Cane Road, London W12 0NN, UK
| | - K Hardy
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital, Imperial College, Du Cane Road, London W12 0NN, UK
| | - A C Hanyaloglu
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital, Imperial College, Du Cane Road, London W12 0NN, UK
| | - S A Lavery
- Department of Reproductive Medicine, Hammersmith Hospital, Imperial College Healthcare NHS Trust, Du Cane Road, London W12 0NN, UK
| | - W S Dhillo
- Department of Investigative Medicine, Imperial College London, Hammersmith Hospital, Du Cane Road, London W12 0NN, UK
| | - S Franks
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital, Imperial College, Du Cane Road, London W12 0NN, UK
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Hu KL, Zhao H, Min Z, He Y, Li T, Zhen X, Ren Y, Chang HM, Yu Y, Li R. Increased Expression of KISS1 and KISS1 Receptor in Human Granulosa Lutein Cells-Potential Pathogenesis of Polycystic Ovary Syndrome. Reprod Sci 2018; 26:1429-1438. [PMID: 30595091 DOI: 10.1177/1933719118818899] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Kisspeptins are a family of neuropeptides that are essential for fertility. Recent experimental data suggest a putative role of kisspeptin signaling in the direct control of ovarian function. To explore the expression of KISS1 and KISS1 receptor (KISS1R) in human granulosa lutein cells and the potential role of KISS1/KISS1R system in the pathogenesis of polycystic ovary syndrome (PCOS), we measured the concentration of KISS1 in follicular fluid, the expression of KISS1 and KISS1R in granulosa lutein cells, and the circulating hormones. The expression levels of KISS1 and KISS1R were significantly upregulated in human granulosa lutein cells obtained from women with PCOS. The expression levels of KISS1 in human granulosa lutein cells highly correlated with those of KISS1R in non-PCOS patients, but not in patients with PCOS, most likely due to the divergent expression patterns in women with PCOS. Additionally, the expression levels of KISS1 highly correlated with the serum levels of anti-Müllerian hormone (AMH). The expression levels of KISS1 and KISS1R, as well as the follicular fluid levels of KISS1, were not significantly different between the pregnant and nonpregnant patients in both PCOS and non-PCOS groups. In conclusion, the increased expression of KISS1 and KISS1R in human granulosa lutein cells may contribute to the pathogenesis of PCOS. The expression levels of KISS1 highly correlated with the serum levels of AMH. The KISS1 and KISS1R system in the ovary may not have a remarkable role in predicting the in vitro fertilization (IVF) outcome.
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Affiliation(s)
- Kai-Lun Hu
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Hongcui Zhao
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Zheying Min
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.,Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
| | - Yilei He
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Tianjie Li
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Xiumei Zhen
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Yun Ren
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Hsun-Ming Chang
- Department of Obstetrics and Gynaecology, University of British Columbia and British Columbia Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Yang Yu
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Rong Li
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.,National Clinical Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
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Hugon-Rodin J, Yoshii K, Lahlou N, Flandrin J, Gompel A, de Roux N. Complete Kisspeptin Receptor Inactivation Does Not Impede Exogenous GnRH-Induced LH Surge in Humans. J Clin Endocrinol Metab 2018; 103:4482-4490. [PMID: 30124894 DOI: 10.1210/jc.2018-00410] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 08/13/2018] [Indexed: 02/13/2023]
Abstract
CONTEXT Mutations in the kisspeptin receptor (KISS1R) gene have been reported in a few patients with normosmic congenital hypogonadotropic hypogonadism (nCHH) (OMIM #146110). OBJECTIVES To describe a female patient with nCHH and a novel homozygous KISS1R mutation and to assess the role of kisspeptin pathway to induce an ovulation by GnRH pulse therapy. DESIGN, SETTING, AND INTERVENTION Observational study of a patient including genetic and kisspeptin receptor functions and treatment efficiency using a GnRH pump. MAIN OUTCOME MEASURE Response to pulsatile GnRH therapy. RESULTS A partial isolated gonadotropic deficiency was diagnosed in a 28-year-old woman with primary amenorrhea and no breast development. A novel homozygous c.953T>C variant was identified in KISS1R. This mutation led to substitution of leucine 318 for proline (p.Leu318Pro) in the seventh transmembrane domain of KISS1R. Signaling via the mutated receptor was profoundly impaired in HEK293-transfected cells. The mutated receptor was not detected on the membrane of HEK293-transfected cells. After several pulsatile GnRH therapy cycles, an LH surge with ovulation and pregnancy was obtained. CONCLUSION GnRH pulsatile therapy can induce an LH surge in a woman with a mutated KISS1R, which was previously thought to be completely inactivated in vivo.
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Affiliation(s)
- Justine Hugon-Rodin
- Paris Descartes University, Gynecology Endocrinology Unit, Port-Royal Teaching Hospital, AP-HP, Paris, France
| | - Keisuke Yoshii
- Paris Diderot University, Sorbonne Paris Cité, U1141, Inserm, Paris, France
| | | | - Jennifer Flandrin
- Paris Descartes University, Gynecology Endocrinology Unit, Port-Royal Teaching Hospital, AP-HP, Paris, France
| | - Anne Gompel
- Paris Descartes University, Gynecology Endocrinology Unit, Port-Royal Teaching Hospital, AP-HP, Paris, France
| | - Nicolas de Roux
- Paris Diderot University, Sorbonne Paris Cité, U1141, Inserm, Paris, France
- AP-HP, Biochemistry Laboratory, Robert Debré Teaching Hospital, Paris, France
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Szeliga A, Czyzyk A, Podfigurna A, Genazzani AR, Genazzani AD, Meczekalski B. The role of kisspeptin/neurokinin B/dynorphin neurons in pathomechanism of vasomotor symptoms in postmenopausal women: from physiology to potential therapeutic applications. Gynecol Endocrinol 2018; 34:913-919. [PMID: 29902942 DOI: 10.1080/09513590.2018.1480711] [Citation(s) in RCA: 6] [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: 12/18/2022] Open
Abstract
Women during perimenopausal period experience a range of symptoms, which interfere with physical, sexual, and social life. About 65-75% of symptoms connected with postmenopausal period are vasomotor symptoms (VMS), such as hot flushes and night sweats. Hot flushes are subjective sensation of heat associated with cutaneous vasodilatation and drop in core temperature. It is suspected that VMS are strongly correlated with pulsatile oversecretion of gonadotropin-releasing hormone (GnRH) and subsequently luteinizing hormone (LH). Evidence has accumulated in parallel showing that lack of negative feedback of steroid hormones synthesized in ovary causes overactivation of hypertrophied kisspeptin/neurokinin B/dynorphin (KNDy) neurons, located in infundibular nucleus. Oversecretion of both kisspeptin (KISS1) and neurokinin B (NKB), as well as downregulation of dynorphin, plays dominant role in creation of GnRH pulses. This in turn causes VMS. Administration of senktide, highly potent and selective NK3R agonist, resulted in increase of serum LH concentration, induction of VMS, increase in heart rate, and skin temperature in postmenopausal women. These finding suggest that modulation of KNDy neurons may become new therapeutic approach in the treatment of VMS.
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Affiliation(s)
- Anna Szeliga
- a Department of Gynecological Endocrinology , Poznan University of Medical Sciences , Poznan , Poland
| | - Adam Czyzyk
- a Department of Gynecological Endocrinology , Poznan University of Medical Sciences , Poznan , Poland
| | - Agnieszka Podfigurna
- a Department of Gynecological Endocrinology , Poznan University of Medical Sciences , Poznan , Poland
| | - Andrea R Genazzani
- b Department of Reproductive Medicine and Child Development, Division of Gynecology and Obstetrics , University of Pisa , Pisa , Italy
| | - Alessandro D Genazzani
- c Department of Obstetrics and Gynecology , Gynecological Endocrinology Center, University of Modena and Reggio Emilia , Modena , Italy
| | - Blazej Meczekalski
- a Department of Gynecological Endocrinology , Poznan University of Medical Sciences , Poznan , Poland
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Altered expression of the kisspeptin/KISS1R and neurokinin B/NK3R systems in mural granulosa and cumulus cells of patients with polycystic ovarian syndrome. J Assist Reprod Genet 2018; 36:113-120. [PMID: 30382469 DOI: 10.1007/s10815-018-1338-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 10/12/2018] [Indexed: 12/15/2022] Open
Abstract
PURPOSE The neurokinin B (NKB)/NK3 receptor (NK3R) and kisspeptin (KISS1)/kisspeptin receptor (KISS1R), two systems essential for reproduction, are present in human granulosa cells (GCs) of healthy women and contribute to the control of fertility, at least partially, by acting on the gonads. However, little is known about the expression of these systems in GCs of women with polycystic ovarian syndrome (PCOS). The aim of this study was to analyze the expression of NKB/NK3R and KISS1/KISS1R in mural granulosa (MGCs) and cumulus cells (CCs) of PCOS women. METHODS A cross-sectional study was performed in 46 healthy women and 43 PCOS women undergoing controlled ovarian stimulation. MGCs and CCs were collected from pre-ovulatory follicles after transvaginal ultrasound-guided oocyte retrieval and the expression of the genes encoding NKB (TAC3), NK3R (TACR3), KISS1, and its receptor (KISS1R) was analyzed using real-time quantitative RT-PCR. RESULTS TAC3, TACR3, and KISS1 mRNA levels were decreased in MGCs and CCs of PCOS women. TAC3 positively correlated with KISS1 in MGCs of healthy women and TACR3 was positively associated with KISS1R in CCs from healthy women. These associations were not observed in PCOS women. CONCLUSION The NKB/NK3R and KISS1/KISS1R systems are dysregulated in MGCs and CCs of PCOS women. The lower expression of these systems in GCs could contribute to the abnormal follicle development and defective ovulation that characterize the pathogenesis of PCOS.
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The expression of kisspeptin and its receptor in the domestic cat ovary and uterus in different stages of the ovarian cycle. Theriogenology 2018; 117:40-48. [DOI: 10.1016/j.theriogenology.2018.05.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 05/17/2018] [Accepted: 05/17/2018] [Indexed: 12/17/2022]
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48
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Presence and function of kisspeptin/KISS1R system in swine ovarian follicles. Theriogenology 2018; 115:1-8. [DOI: 10.1016/j.theriogenology.2018.04.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 04/01/2018] [Accepted: 04/04/2018] [Indexed: 12/19/2022]
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49
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Gorkem U, Togrul C, Arslan E, Sargin Oruc A, Buyukkayaci Duman N. Is there a role for kisspeptin in pathogenesis of polycystic ovary syndrome? Gynecol Endocrinol 2018; 34:157-160. [PMID: 28933574 DOI: 10.1080/09513590.2017.1379499] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
AIM To investigate association of kisspeptin levels in infertile women with different ovarian reserve patterns. MATERIALS AND METHODS In this prospective cross-sectional study, 157 participants were recruited. The women were divided into three groups: (i) adequate ovarian reserve (AOR) (n = 57), (ii) high ovarian reserve (PCOS) (n = 60), (iii) diminished ovarian reserve (DOR) (n = 40). Weight, height, waist circumference (WC), hip circumference (HC), body mass index (BMI), waist/hip ratio (WHR) were measured. The blood samples were analyzed for estradiol (E2), follicle-stimulating hormone (FSH), luteinizing hormone (LH), total testosterone (TT), 17-hydroxy progesterone (17OHP), dehydroepiandrosterone sulfate (DHEAS), antimullerian hormone (AMH), kisspeptin measurements. RESULTS FSH concentration was higher and AMH concentration was lower in DOR group (p < .001, p < .001, respectively). The mean LH, TT and DHEAS levels were higher in PCOS group (p = .001, p < .00 and p = .003, respectively). The 17OHP level did not differ among the groups (p = .15). Women with PCOS possessed the highest kisspeptin level (p = .01). The kisspeptin level was negatively correlated with FSH level (r = -0.18, p = .02) and positively correlated with TT and DHEAS levels (r = 0.17, p = .02 and r = 0.23, p = .003, respectively). CONCLUSIONS Women with PCOS had increased serum kisspeptin levels. Kisspeptin concentrations were negatively correlated with serum FSH and positively correlated with serum TT and DHEAS levels.
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Affiliation(s)
- Umit Gorkem
- a Department of Obstetrics and Gynecology , Hitit University Medical School , Corum , Turkey
| | - Cihan Togrul
- a Department of Obstetrics and Gynecology , Hitit University Medical School , Corum , Turkey
| | - Emine Arslan
- a Department of Obstetrics and Gynecology , Hitit University Medical School , Corum , Turkey
| | - Ayla Sargin Oruc
- b Department of Obstetrics and Gynecology , Ankara Guven Hospital , Ankara , Turkey
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Skorupskaite K, George JT, Veldhuis JD, Anderson RA. Neurokinin B Regulates Gonadotropin Secretion, Ovarian Follicle Growth, and the Timing of Ovulation in Healthy Women. J Clin Endocrinol Metab 2018; 103:95-104. [PMID: 29040622 PMCID: PMC5761486 DOI: 10.1210/jc.2017-01306] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Accepted: 10/04/2017] [Indexed: 11/19/2022]
Abstract
CONTEXT Neurokinin B (NKB) is obligate for human puberty, but its role in adult female gonadotropin secretion and ovarian follicle growth is unknown. OBJECTIVE To investigate antagonism of NKB on pulsatile gonadotropin-releasing hormone (GnRH) and luteinizing hormone (LH) secretion and ovarian follicle development in healthy women. DESIGN Open investigation of the effects of a neurokinin-3 receptor (NK3R) antagonist (NK3Ra) vs a no-treatment control cycle. SETTING Clinical research facility. PATIENTS OR OTHER PARTICIPANTS Healthy women with regular menses (n = 13). INTERVENTION(S) NK3Ra MLE4901 40 mg taken orally twice daily from cycle day 5 to 6 for 7 days. MAIN OUTCOME MEASURE(S) LH secretion, ovarian follicle growth, and timing of ovulation. RESULTS NK3Ra administration reduced basal LH secretion without a change in pulse frequency and delayed the LH surge by 7 days, the duration of treatment [mean cycle day ± standard error of the mean (SEM), 22 ± 1 days vs 15 ± 1 days in control cycles; P = 0.0006]. Follicle growth (mean diameter at the end of administration of NK3Ra administration ± SEM, 9.3 ± 0.4 mm vs 15.1 ± 0.9 mm in control cycles; P < 0.0001) and rising estradiol concentrations (mean ± SEM, 166 ± 29 pmol/L vs 446 ± 86 pmol/L in control cycles; P < 0.0001) were prevented. After treatment, follicle development resumed and normal preovulatory follicle diameter and estradiol concentrations were demonstrated. Postovulatory progesterone rise was similarly delayed (peak cycle day, 30 ± 2 vs 22 ± 1; P = 0.002) and cycle length was prolonged (35 ± 1 days vs 29 ± 1 days in control cycles; P = 0.0003) but luteal progesterone excretion was unaffected by the NK3Ra (LH surge day +7 mean urinary progesterone levels ± SEM, 58 ± 10 pmol/mol vs 48±7 pmol/mol creatinine in control cycles; nonsignificant). CONCLUSION These data demonstrate the involvement of NKB-NK3R signaling in the physiological regulation of GnRH/LH secretion, determining normal follicle development in women.
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Affiliation(s)
- Karolina Skorupskaite
- MRC Centre for Reproductive Health, The Queen’s
Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, United
Kingdom
| | - Jyothis T. George
- Warwick Medical School, Coventry CV4 7AL, United
Kingdom
- Boehringer Ingelheim, Bracknell RG12 8YS, United
Kingdom
| | - Johannes D. Veldhuis
- Endocrine Research Unit, Center for Translational Science
Activities, Mayo Clinic, Rochester, Minnesota 55905
| | - Richard A. Anderson
- MRC Centre for Reproductive Health, The Queen’s
Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, United
Kingdom
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