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Sliwowska JH, Woods NE, Alzahrani AR, Paspali E, Tate RJ, Ferro VA. Kisspeptin a potential therapeutic target in treatment of both metabolic and reproductive dysfunction. J Diabetes 2024; 16:e13541. [PMID: 38599822 PMCID: PMC11006622 DOI: 10.1111/1753-0407.13541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 09/21/2023] [Accepted: 02/03/2024] [Indexed: 04/12/2024] Open
Abstract
Kisspeptins (KPs) are proteins that were first recognized to have antimetastatic action. Later, the critical role of this peptide in the regulation of reproduction was proved. In recent years, evidence has been accumulated supporting a role for KPs in regulating metabolic processes in a sexual dimorphic manner. It has been proposed that KPs regulate metabolism both indirectly via gonadal hormones and/or directly via the kisspeptin receptor in the brain, brown adipose tissue, and pancreas. The aim of the review is to provide both experimental and clinical evidence indicating that KPs are peptides linking metabolism and reproduction. We propose that KPs could be used as a potential target to treat both metabolic and reproductive abnormalities. Thus, we focus on the consequences of disruptions in KPs and their receptors in metabolic conditions such as diabetes, undernutrition, obesity, and reproductive disorders (hypogonadotropic hypogonadism and polycystic ovary syndrome). Data from both animal models and human subjects indicate that alterations in KPs in the case of metabolic imbalance lead also to disruptions in reproductive functions. Changes both in the hypothalamic and peripheral KP systems in animal models of the aforementioned disorders are discussed. Finally, an overview of current clinical studies involving KP in fertility and metabolism show fewer studies on metabolism (15%) and only one to date on both. Presented data indicate a dynamic and emerging field of KP studies as possible therapeutic targets in treatments of both reproductive and metabolic dysfunctions.
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Affiliation(s)
- Joanna Helena Sliwowska
- Department of Veterinary Medicine and Animal Sciences, Laboratory of Neurobiology, Poznan University of Life Sciences, Poznan, Poland
| | - Nicola Elizabeth Woods
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - Abdullah Rzgallah Alzahrani
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Elpiniki Paspali
- Department of Chemical Engineering, University of Strathclyde, Glasgow, UK
| | - Rothwelle Joseph Tate
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - Valerie Anne Ferro
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
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Gametogenic and steroidogenic action of kisspeptin-10 in the Asian catfish, Clarias batrachus: Putative underlying mechanistic cascade. Comp Biochem Physiol B Biochem Mol Biol 2021; 256:110642. [PMID: 34197962 DOI: 10.1016/j.cbpb.2021.110642] [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] [Received: 01/06/2021] [Revised: 06/21/2021] [Accepted: 06/24/2021] [Indexed: 12/18/2022]
Abstract
Unlike mammals, two kisspeptins genes encoding, kiss1 and kiss2 are detected in fishes with highly varied and contradictory difference in their reproductive activities. The present study was undertaken to examine the direct action of kisspeptin-10 and its role in gonadal activities in the gonadally quiescent Asian catfish using native mammalian kisspeptin decapeptide (KP-10) involving in vivo and in vitro approaches. The in vivo KP-10 treatment caused precocious onset of gametogenesis and its rapid progression, as was evident from the appearance of advanced stages of ovarian follicles in ovary, and advanced germ cells (spermatocytes/ spermatids) in the testis of the treated Clarias batrachus in comparison to the control gonads. It also elevated the steroid levels in gonads of the catfish in vivo and in vitro conditions. Simultaneously, it increased the expressions of key steroidogenic enzymes like 3β-HSD, 17β-HSD, and StAR protein, responsible for transfer of cholesterol from outer to inner membrane of the mitochondria of steroidogenic cells. Concurrently, it augmented the activities of 3β-HSD and 17β-HSD in the ovarian explants. The expressions of MAPK component (pERK1/2 and ERK1/2) were also up-regulated by KP-10 in gonadal explants. Thus, the data suggest that kisspeptin-10 stimulates gametogenesis by enhancing gonadal steroid production. The study also describes the putative mechanistic cascade of steroidogenic actions of kisspeptin-10 in the catfish so much so in teleost fish. The study also suggests that, kisspeptin may act locally to regulate gonadal activities in an autocrine/paracine manner, independent of known extra-gonadal factors in the catfish.
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Guarraci FA, Davis LK, Henneman EL, Toro E, Odell SE, Le N, Navarro JM, Valdivia HS, Williams I, Credeur M, Gore AC. Daily GnRH agonist treatment delays the development of reproductive physiology and behavior in male rats. Horm Behav 2021; 132:104982. [PMID: 33957341 DOI: 10.1016/j.yhbeh.2021.104982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 04/09/2021] [Accepted: 04/10/2021] [Indexed: 11/19/2022]
Abstract
The present study was designed to examine the effects of suppressing pubertal onset with leuprolide acetate, a gonadotropin releasing hormone (GnRH) agonist. Starting on postnatal day (PD) 25, male Long-Evans rats were injected daily with either leuprolide acetate (25 μg/kg dissolved in 0.9% sterile physiological saline; n = 13) or sterile physiological saline (1.0 ml/kg 0.9% NaCl; n = 14) for a total of 25 days. Males were monitored daily for signs of puberty (i.e., preputial separation). On the last day of leuprolide treatment (PD 50), half of each treatment group was injected with 10.0 μg of estradiol benzoate (EB) daily for three consecutive days (PD 50-52) and 1.0 mg of progesterone (P) on the 4th day (PD 53), whereas the other half of each treatment group received oil injections. Four hours after P injections, all subjects were given the opportunity to interact with a gonadally-intact male and a sexually receptive female rat (i.e., a partner-preference test with and without physical contact). Copulatory behavior and sexual motivation were measured. Hormone injections and mating tests were repeated weekly for a total of 3 consecutive weeks. Results showed that leuprolide delayed puberty as well as the development of copulatory behavior and the expression of sexual motivation. By the last test, the leuprolide-treated subjects showed signs of catching up, however, many continued to be delayed. Estradiol and progesterone mildly feminized male physiology (e.g., decreased testes weight and serum testosterone) and behavior (e.g., increased lordosis), but did not interact with leuprolide treatment.
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Affiliation(s)
- Fay A Guarraci
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA.
| | - Lourdes K Davis
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | | | - Erin Toro
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | - Shannon E Odell
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | - Nathan Le
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | - Jean M Navarro
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | - Hannah S Valdivia
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | - Ian Williams
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | - Mathew Credeur
- Department of Psychology, Southwestern University, Georgetown, TX 78626, USA
| | - Andrea C Gore
- Division of Pharmacology and Toxicology, The University of Texas, at Austin, Austin, TX 78712, USA
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Ullah H, Nabi G, Zubair H, Ullah R, Shahab M. Age‐dependent changes in the reproductive axis responsiveness to kisspeptin‐10 administration in healthy men. Andrologia 2018; 51:e13219. [DOI: 10.1111/and.13219] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 12/23/2022] Open
Affiliation(s)
- Hamid Ullah
- Laboratory of Reproductive Neuroendocrinology, Department of Animal Sciences, Faculty of Biological Sciences Quaid‐i‐Azam University Islamabad Pakistan
| | - Ghulam Nabi
- Laboratory of Reproductive Neuroendocrinology, Department of Animal Sciences, Faculty of Biological Sciences Quaid‐i‐Azam University Islamabad Pakistan
- Institute of Hydrobiology the Chinese Academy of Sciences Wuhan China
- University of the Chinese Academy of Sciences Shijingshan District, Beijing China
| | - Hira Zubair
- Laboratory of Reproductive Neuroendocrinology, Department of Animal Sciences, Faculty of Biological Sciences Quaid‐i‐Azam University Islamabad Pakistan
| | - Rahim Ullah
- Laboratory of Reproductive Neuroendocrinology, Department of Animal Sciences, Faculty of Biological Sciences Quaid‐i‐Azam University Islamabad Pakistan
- Department of Endocrinology, School of Medicine, Children’s Hospital Zhejiang University Hangzhou China
| | - Muhammad Shahab
- Laboratory of Reproductive Neuroendocrinology, Department of Animal Sciences, Faculty of Biological Sciences Quaid‐i‐Azam University Islamabad Pakistan
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