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Moayeri M, Irani S, Novin MG, Salahshourifar I, Salehi M. Expression of DDSR1 Long Non-Coding RNA and Genes Involved in the DNA Damage Response in Sperm with DNA Fragmentation. Reprod Sci 2024; 31:3112-3121. [PMID: 39014289 DOI: 10.1007/s43032-024-01640-6] [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: 01/09/2024] [Accepted: 06/29/2024] [Indexed: 07/18/2024]
Abstract
The molecular mechanism responsible for sperm DNA fragmentation is not fully understood. Therefore, identifying genes related to the response to DNA damage is an important area of research. Recently, the role of long non-coding RNAs (LncRNAs), especially DNA damage-sensitive RNA1 (DDSR1) in male infertility has been highlighted. In this research, a protein-protein interaction network (PPIN) was constructed using the STRING database, and functional classification was conducted using webgestalt servers. Subsequently, a group of 40 males with a high degree of sperm DNA fragmentation (DFI ≥ 25%) was compared to a control group of 20 healthy males with a normal sperm DNA fragmentation rate (DFI < 25%). To assess gene expression, real-time polymerase chain reaction (PCR) analysis was performed on DNA samples obtained from both healthy and infertile males. Our findings revealed that infertile men with an abnormal DFI index showed significantly lower expression levels of the long noncoding RNA DDSR1, as well as the genes BRCA1, MRE11A, RAD51, and NBN, compared to the control group. Pathway analysis of the network proteins using Reactome indicated involvement in crucial cellular processes such as the cell cycle, DNA repair, meiosis, reproduction, and extension of telomeres. In conclusion, the downregulation of LncRNA and genes associated with the DNA damage response in males with an abnormal DFI suggests that these factors may contribute to the development of sperm DNA fragmentation and could potentially serve as diagnostic markers for further investigation in therapeutic interventions in the future.
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Affiliation(s)
- Mina Moayeri
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Shiva Irani
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Iman Salahshourifar
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Salehi
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, P.O. Box: 193954717, Tehran, Iran.
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Embryology Lab, Payambran Hospital, Tehran, Iran.
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Mohammadpour-Asl S, Roshan-Milani S, Fard AA, Golchin A. Hormetic effects of a cannabinoid system component, 2-arachidonoyl glycerol, on cell viability and expression profile of growth factors in cultured mouse Sertoli cells: Friend or foe of male fertility? Reprod Toxicol 2024; 125:108575. [PMID: 38462211 DOI: 10.1016/j.reprotox.2024.108575] [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: 10/10/2023] [Revised: 03/05/2024] [Accepted: 03/08/2024] [Indexed: 03/12/2024]
Abstract
The generally undesired effects of exocannabinoids on male reproduction include alterations in testicular cell proliferation and function, as well as apoptosis induction. However, this paradigm has been challenged by the ability of endocannabinoids to regulate reproductive function. The present study addresses these paradoxical facts by investigating the effects of the endocannabinoid 2-arachidonoyl glycerol (2-AG) on mouse Sertoli cells' survival and apoptosis, with a mechanistic insight into Sertoli cell-based growth factors' production. The Mus musculus Sertoli cell line (TM4) was exposed to different concentrations of 2-AG, and cell viability was evaluated using MTT assay. Growth factors' gene and protein expressions were analyzed through RT-PCR and western blotting. 2-AG concentration dependently increased TM4 viability, with a slight increase starting at 0.0001 µM, a peak of 190% of the control level at 1 µM, and a decrease at 3 µM. Moreover, 2-AG paradoxically altered mRNA expression of caspase-3 and growth factors. Caspase-3 mRNA expression was down-regulated, and growth factors mRNA and protein expression were up-regulated when using a low concentration of 2-AG (1 μM). Opposite effects were observed by a higher concentration of 2-AG (3 μM). These paradoxical effects of 2-AG can be explained through the concept of hormesis. The results indicate the pivotal role of 2-AG in mediating Sertoli cell viability and apoptosis, at least in part, through altering growth factors secretion. Furthermore, they suggest the involvement of endocannabinoids in Sertoli cell-based physiological and pathological conditions and reflect the ability of abnormally elevated 2-AG to mimic the actions of exocannabinoids in reproductive dysfunction.
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Affiliation(s)
- Shadi Mohammadpour-Asl
- Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran; Department of Physiology, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Shiva Roshan-Milani
- Neurophysiology Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
| | - Amin Abdollahzade Fard
- Nephrology and Kidney Transplant Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Ali Golchin
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran; Department of Clinical Biochemistry and Applied Cell Sciences, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
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3
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Pařízek A, Suchopár J, Laštůvka Z, Alblová M, Hill M, Dušková M. The Endocannabinoid System and Its Relationship to Human Reproduction. Physiol Res 2023; 72:S365-S380. [PMID: 38116770 DOI: 10.33549/physiolres.935229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024] Open
Abstract
The endocannabinoid system is among the most important regulators of human reproduction. It already applies at the level of the sperm and the egg, plays an important role in the fertilization of the egg, its implantation, regulates the function of the placenta and participates in childbirth. The aim of this work is to summarize the knowledge accumulated so far and to show that the endocannabinoid system must be perfectly regulated in order to maintain a physiological pregnancy from implantation to delivery. Only an exceptional interplay of enzymes such as NAPE-PDL or FAAH, endogenous cannabinoids and cannabinoid receptors CB1 and CB2 can ensure the proper functioning of the reproductive organs and thus lead to delivery on time. Changes in the endocannabinoid system can lead to a number of pathological conditions, e.g., during blastocyst implantation, retardation of embryo development, impaired placental function or miscarriage. Soon, we can expect not only an understanding of all the regulatory events associated with the endocannabinoid system and other regulatory systems that participate in reproduction, but also several possibilities for pharmacotherapeutic interventions that can modify the formation, degradation and effect of endocannabinoids. It cannot be ruled out that some components of the endocannabinoid system could become a marker for monitoring pregnancy and childbirth.
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Affiliation(s)
- A Pařízek
- Institute of Endocrinology, Prague, Czech Republic.
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Flores-Montero K, Frontini-Lopez YR, Fontecilla-Escobar J, Ruete MC. Sperm proteostasis: Can-nabinoids be chaperone's partners? Life Sci 2023; 333:122167. [PMID: 37827231 DOI: 10.1016/j.lfs.2023.122167] [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: 08/16/2023] [Revised: 10/07/2023] [Accepted: 10/08/2023] [Indexed: 10/14/2023]
Abstract
The male gamete is a highly differentiated cell that aims to fuse with the oocyte in fertilization. Sperm have silenced the transcription and translational processes, maintaining proteostasis to guarantee male reproductive health. Despite the information about the implication of molecular chaperones as orchestrators of protein folding or aggregation, and the handling of body homeostasis by the endocannabinoid system, there is still a lack of basic investigation and random controlled clinical trials that deliver more evidence on the involvement of cannabinoids in reproductive function. Besides, we noticed that the information regarding whether recreational marijuana affects male fertility is controversial and requires further investigation. In other cell models, it has recently been evidenced that chaperones and cannabinoids are intimately intertwined. Through a literature review, we aim to explore the interaction between chaperones and cannabinoid signaling in sperm development and function. To untangle how or whether this dialogue happens within the sperm proteostasis. We discuss the action of chaperones, the endocannabinoid system and phytocannabinoids in sperm proteostasis. Reports of some heat shock and lipid proteins interacting with cannabinoid receptors prove that chaperones and the endocannabinoid system are in an intimate dialogue. Meanwhile, advancing the evidence to decipher these mechanisms for introducing innovative interventions into routine clinical settings becomes crucial. We highlight the potential interaction between chaperones and cannabinoid signaling in regulating proteostasis in male reproductive health.
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Affiliation(s)
- Karina Flores-Montero
- Instituto de Histología y Embriología de Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Cuyo, Mendoza M5500, Argentina
| | - Yesica Romina Frontini-Lopez
- Instituto de Histología y Embriología de Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Cuyo, Mendoza M5500, Argentina
| | - Javiera Fontecilla-Escobar
- Instituto de Histología y Embriología de Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Cuyo, Mendoza M5500, Argentina
| | - María Celeste Ruete
- Instituto de Histología y Embriología de Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Cuyo, Mendoza M5500, Argentina.
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Mohammadpour-Asl S, Roshan-Milani S, Abdollahzade Fard A, Golchin A. In vitro evaluation of cell viability and expression profile of growth factors in mouse Sertoli cells exposed to Delta-9-tetrahydrocannabinol: a mechanistic insight into the cannabinoid-induced testicular toxicity. BMC Pharmacol Toxicol 2023; 24:61. [PMID: 37946285 PMCID: PMC10636832 DOI: 10.1186/s40360-023-00704-8] [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: 04/26/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023] Open
Abstract
The potentially adverse effects of cannabis (marijuana), a common leisure compound, on male reproductive performance are a reason for concern. δ-9-tetrahydrocannabinol (THC), the primary active component of marijuana alters testicular cells' proliferation and function which affects male fertility and causes testicular cells dysfunction and apoptosis. The main objective of this study was to investigate the possible mechanism underlying the toxic effects of THC with a mechanistic insight into Sertoli cell-based reproductive dysfunction. The Mus musculus Sertoli cell line (TM4) was cultured and exposed to different concentrations of THC and, MTT (3-(4, 5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay was then performed for evaluating cell viability. The expression of caspase-3 gene and genes related to growth factors were analyzed by real-time RT-PCR. Western blotting was performed for evaluating protein expression level. THC concentration-dependently decreased the TM4 viability with a significant effect starting at concentration of 1 μM and reaching about 75% of the control level at the concentration of 50 μM (IC25). Moreover, caspase-3 mRNA expression levels significantly increased while growth factors mRNA levels decreased in THC-exposed cells compared to unexposed cells. There was also a significant reduction in related protein levels in THC group. Administration of the THC promotes cytotoxic and apoptotic effects on TM4 cells partly through down-regulation of growth factors expression. Increased apoptosis, over expression of caspase-3, and down-regulation of growth factors expression in Sertoli cells exposed to THC may be a reflection of THC-induced testicular toxicity, which may be partly involved in infertility associated with marijuana smoking or medical cannabis use.
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Affiliation(s)
- Shadi Mohammadpour-Asl
- Department of Physiology, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Shiva Roshan-Milani
- Neurophysiology Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
| | - Amin Abdollahzade Fard
- Nephrology and Kidney Transplant Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Ali Golchin
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran
- Department of Clinical Biochemistry and Applied Cell Sciences, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
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6
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Methorst C, Perrin J, Faix A, Huyghe E. [Male infertility, environment and lifestyle]. Prog Urol 2023; 33:613-623. [PMID: 38012907 DOI: 10.1016/j.purol.2023.09.014] [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: 08/22/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND Since the 1970s, there has been a quantitative and qualitative decline in sperm parameters. The main hypothesis to explain such a rapid evolution is the involvement of environmental and behavioral phenomena. METHODS A bibliographic search limited to English and French literature in men published before 7/2023 was carried out on the links between fertility and pollution, xenobiotics, tobacco, narcotics, cannabis, alcohol, weight, sport, sedentary lifestyle, sleep and anabolics. RESULTS Profound changes in lifestyle have occurred over the past 50 years: reduced sleep time, sedentary lifestyle, dietary changes, tobacco consumption, use of narcotics and anabolics. These changes have a proven impact on spermogram parameters, and should be corrected in an effort to optimize reproductive health. Other environmental parameters: pollution, exposure to heavy metals, exposure to xenobiotics, phthalates and pesticides… will be more difficult to exclude from patients' daily lives, but deserve to be taken more into account. CONCLUSION This review should help the urologist to assess and counsel patients in order to improve their reproductive health. These factors should be routinely investigated in infertile men.
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Affiliation(s)
- C Methorst
- Service de médecine de la reproduction, hôpital des 4 villes, Saint-Cloud, France
| | - J Perrin
- Biologie et médecine de la reproduction et du développement, CHU de Marseille, UMR 7263 IMBE, Marseille, France
| | - A Faix
- Clinique Saint-Roch, 560, avenue du Colonel-Pavelet-dit-Villars, 34000 Montpellier, France
| | - E Huyghe
- Département d'urologie, hôpital de Rangueil, CHU de Toulouse, Toulouse, France; Service de médecine de la reproduction, hôpital Paule-de-Viguier, CHU de Toulouse, Toulouse, France; UMR DEFE, Inserm 1203, université de Toulouse, université de Montpellier, Toulouse, France.
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7
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Peserico A, Barboni B, Russo V, Nardinocchi D, Turriani M, Cimini C, Bernabò N, Parolini O, Silini AR, Antonucci I, Stuppia L, Berardinelli P, Falanga I, Perruzza D, Valbonetti L, Mauro A. AEC and AFMSC Transplantation Preserves Fertility of Experimentally Induced Rat Varicocele by Expressing Differential Regenerative Mechanisms. Int J Mol Sci 2023; 24:ijms24108737. [PMID: 37240083 DOI: 10.3390/ijms24108737] [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: 04/15/2023] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Amniotic membrane and amniotic fluid derived cells are regarded as a promising stem cell source for developing regenerative medicine techniques, although they have never been tested on male infertility diseases such as varicocele (VAR). The current study aimed to examine the effects of two distinct cell sources, human Amniotic Fluid Mesenchymal Stromal Cells (hAFMSCs) and amniotic epithelial cells (hAECs), on male fertility outcomes in a rat induced VAR model. To explain cell-dependent enhancement of reproductive outcomes in rats transplanted with hAECs and hAFMSCs, insights on testis morphology, endocannabinoid system (ECS) expression and inflammatory tissue response have been carried out alongside cell homing assessment. Both cell types survived 120 days post-transplantation by modulating the ECS main components, promoting proregenerative M2 macrophages (Mφ) recruitment and a favorable anti-inflammatory IL10 expression pattern. Of note, hAECs resulted to be more effective in restoring rat fertility rate by enhancing both structural and immunoresponse mechanisms. Moreover, immunofluorescence analysis revealed that hAECs contributed to CYP11A1 expression after transplantation, whereas hAFMSCs moved towards the expression of Sertoli cell marker, SOX9, confirming a different contribution into the mechanisms leading to testis homeostasis. These findings highlight, for the first time, a distinct role of amniotic membrane and amniotic fluid derived cells in male reproduction, thus proposing innovative targeted stem-based regenerative medicine protocols for remedying high-prevalence male infertility conditions such as VAR.
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Affiliation(s)
- Alessia Peserico
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Barbara Barboni
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Valentina Russo
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Delia Nardinocchi
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Maura Turriani
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Costanza Cimini
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Nicola Bernabò
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Ornella Parolini
- Department of Life Sciences and Public Health, Università Cattolica del Sacro Cuore, Largo Vito, 1, 00168 Rome, Italy
- Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, 00168 Rome, Italy
| | - Antonietta Rosa Silini
- Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy
| | - Ivana Antonucci
- Department of Oral Sciences, Nano and Biotechnologies, "G. d'Annunzio" University, Via dei Vestini 31, 66013 Chieti, Italy
| | - Liborio Stuppia
- Department of Oral Sciences, Nano and Biotechnologies, "G. d'Annunzio" University, Via dei Vestini 31, 66013 Chieti, Italy
| | - Paolo Berardinelli
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Ilaria Falanga
- Medline Srl, Via Galileo Ferraris 1, 84018 Scafati, Italy
| | - Davide Perruzza
- Reproductive Medicine Unit, S.I.S.Me.R., Via Mazzini 12, 40138 Bologna, Italy
| | - Luca Valbonetti
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Annunziata Mauro
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
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8
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Rodak K, Kratz EM. PUFAs and Their Derivatives as Emerging Players in Diagnostics and Treatment of Male Fertility Disorders. Pharmaceuticals (Basel) 2023; 16:ph16050723. [PMID: 37242506 DOI: 10.3390/ph16050723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
About 15% of couples worldwide are affected by infertility, with the male factor responsible for approximately 50% of reproductive failures. Male fertility can be influenced by various factors, including an unhealthy lifestyle and diet, often associated with oxidative stress. These changes are frequently the reason for spermatozoan dysfunction, malformations, and lowered count. However, sometimes even with proper semen parameters, fertilization does not occur, and this is referred to as idiopathic infertility. Of particular importance may be molecules contained in the spermatozoan membrane or seminal plasma, such as polyunsaturated fatty acids, including omega-3 (docosahexaenoic and eicosapentaenoic acids) and omega-6 (arachidonic acid) fatty acids and their derivatives (prostaglandins, leukotrienes, thromboxanes, endocannabinoids, isoprostanes), which are vulnerable to the effects of oxidative stress. In the present review, we discuss the influence of these molecules on human male reproductive health and its possible causes, including disrupted oxidative-antioxidative balance. The review also discusses the potential use of these molecules in the diagnostics and treatment of male infertility, with a particular focus on the innovative approach to isoprostanes as biomarkers for male infertility. Given the high occurrence of idiopathic male infertility, there is a need to explore new solutions for the diagnosis and treatment of this condition.
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Affiliation(s)
- Kamil Rodak
- Department of Laboratory Diagnostics, Division of Laboratory Diagnostics, Faculty of Pharmacy, Wroclaw Medical University, Borowska Street 211A, 50-556 Wroclaw, Poland
| | - Ewa Maria Kratz
- Department of Laboratory Diagnostics, Division of Laboratory Diagnostics, Faculty of Pharmacy, Wroclaw Medical University, Borowska Street 211A, 50-556 Wroclaw, Poland
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Lange T, Depmeier T, Strünker T, Lehr M. HPLC fluorescence assay for measuring the activity of NAPE-PLD and the action of inhibitors affecting this enzyme. J Pharm Biomed Anal 2023; 229:115354. [PMID: 37003086 DOI: 10.1016/j.jpba.2023.115354] [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: 01/23/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 04/03/2023]
Abstract
N-Acyl phosphatidylethanolamine-hydrolyzing phospholipase D (NAPE-PLD) is the major enzyme for the biosynthesis of the endocannabinoid anandamide. The role of NAPE-PLD in various physiological and pathophysiological conditions is currently under investigation. For example, the enzyme might be involved in the control of neuronal activity, embryonic development and pregnancy, and prostate cancer. We synthesized a novel NAPE-PLD substrate with a fluorogenic pyrene substituent at the N-acyl residue as tool compound for studying this enzyme. As shown by HPLC with fluorescence detection, in rat brain microsomes the substrate was transformed into the expected pyrene-labeled N-acylethanolamine (NAE), but minor amounts of three by-products could also be detected. In the presence of pan-serine hydrolase and secretory phospholipase A2 inhibitors, the generation of these compounds, whose identity was verified using reference substances, was abolished. Based on these results, a method for determining the activity of NAPE-PLD was developed, validated, and applied to evaluate the action of known inhibitors of this enzyme. With human sperm, it was shown that the fluorescent substrate can also be used to study NAPE metabolism in intact cells.
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Affiliation(s)
- Thomas Lange
- Institute of Pharmaceutical and Medicinal Chemistry, University of Münster, Corrensstrasse 48, 48149 Münster, Germany
| | - Tim Depmeier
- Institute of Pharmaceutical and Medicinal Chemistry, University of Münster, Corrensstrasse 48, 48149 Münster, Germany
| | - Timo Strünker
- Centre of Reproductive Medicine and Andrology, University Hospital Münster, University of Münster, Domagkstrasse 11, 48149 Münster, Germany
| | - Matthias Lehr
- Institute of Pharmaceutical and Medicinal Chemistry, University of Münster, Corrensstrasse 48, 48149 Münster, Germany.
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10
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Truong VB, Davis OS, Gracey J, Neal MS, Khokhar JY, Favetta LA. Sperm capacitation and transcripts levels are altered by in vitro THC exposure. BMC Mol Cell Biol 2023; 24:6. [PMID: 36823609 PMCID: PMC9951432 DOI: 10.1186/s12860-023-00468-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 02/22/2023] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND Delta-9-tetrahydrocannabinol (THC) is the primary phytocannabinoid responsible for the psychoactive properties of cannabis and is known to interact with the endocannabinoid system, which is functionally present in the male reproductive system. Since cannabis consumption is the highest among reproductive aged males, the current study aimed to further investigate the effects of THC exposure to phenotypical, physiological, and molecular parameters in sperm. Bull sperm of known fertility were used as a translational model for human sperm and subjected to in vitro treatment with physiologically relevant experimental doses of THC. Sperm parameters, capacitation, apoptosis, and transcript levels were evaluated following treatment. RESULTS Motility, morphology, and viability of bovine sperm was unaltered from THC exposure. However, 0.32µM of THC caused an increased proportion of capacitating sperm (p < 0.05) compared to control and vehicle group sperm. Transcriptome analysis revealed that 39 genes were found to be differentially expressed by 0.032µM THC exposure, 196 genes were differentially expressed by 0.32µM THC exposure, and 33 genes were differentially expressed by 3.2µM THC. Secondary analysis reveals pathways involving development, nucleosomes, ribosomes and translation, and cellular metabolism to be significantly enriched. CONCLUSION Phytocannabinoid exposure to sperm may adversely affect sperm function by stimulating premature capacitation. These findings also show for the first time that spermatozoal transcripts may be altered by THC exposure. These results add to previous research demonstrating the molecular effects of cannabinoids on sperm and warrant further research into the effects of cannabis on male fertility.
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Affiliation(s)
- Vivien B Truong
- Reproductive Health and Biotechnology Lab, Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, 50 Stone Rd. East, N1G 2W1, Guelph, ON, Canada
| | - Ola S Davis
- Reproductive Health and Biotechnology Lab, Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, 50 Stone Rd. East, N1G 2W1, Guelph, ON, Canada
| | - Jade Gracey
- Reproductive Health and Biotechnology Lab, Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, 50 Stone Rd. East, N1G 2W1, Guelph, ON, Canada
| | | | - Jibran Y Khokhar
- Department of Anatomy and Cell Biology, Western University, London, ON, Canada
| | - Laura A Favetta
- Reproductive Health and Biotechnology Lab, Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, 50 Stone Rd. East, N1G 2W1, Guelph, ON, Canada.
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11
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Lim J, Squire E, Jung KM. Phytocannabinoids, the Endocannabinoid System and Male Reproduction. World J Mens Health 2023; 41:1-10. [PMID: 36578200 PMCID: PMC9826913 DOI: 10.5534/wjmh.220132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 12/24/2022] Open
Abstract
The endocannabinoid system (ECS) is comprised of a set of lipid-derived messengers (the endocannabinoids, ECBs), proteins that control their production and degradation, and cell-surface cannabinoid (CB) receptors that transduce their actions. ECB molecules such as 2-arachidonoyl-sn-glycerol (2-AG) and anandamide (arachidonoyl ethanolamide) are produced on demand and deactivated through enzymatic actions tightly regulated both temporally and spatially, serving homeostatic roles in order to respond to various challenges to the body. Key components of the ECS are present in the hypothalamus-pituitary-gonadal (HPG) axis, which plays critical roles in the development and regulation of the reproductive system in both males and females. ECB signaling controls the action at each stage of the HPG axis through CB receptors expressed in the hypothalamus, pituitary, and reproductive organs such as the testis and ovary. It regulates the secretion of hypothalamic gonadotropin-releasing hormone (GnRH), pituitary follicle-stimulating hormone (FSH) and luteinizing hormone (LH), estrogen, testosterone, and affects spermatogenesis in males. Δ9-tetrahydrocannabinol (THC) and other phytocannabinoids from Cannabis sativa affect a variety of physiological processes by altering, or under certain conditions hijacking, the ECB system. Therefore, phytocannabinoids, in particular THC, may modify the homeostasis of the HPG axis by altering CB receptor signaling and cause deficits in reproductive function. While the ability of phytocannabinoids, THC and/or cannabidiol (CBD), to reduce pain and inflammation provides promising opportunities for therapeutic intervention for genitourinary and degenerative disorders, important questions remain regarding their unwanted long-term effects. It is nevertheless clear that the therapeutic potential of modulating the ECS calls for further scientific and clinical investigation.
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Affiliation(s)
- Jinhwan Lim
- Department of Environmental and Occupational Health, University of California Irvine, Irvine, CA, USA
| | - Erica Squire
- Department of Anatomy and Neurobiology, University of California Irvine, Irvine, CA, USA
| | - Kwang-Mook Jung
- Department of Anatomy and Neurobiology, University of California Irvine, Irvine, CA, USA
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Swain N, Samanta L, Goswami C, Kar S, Majhi RK, Kumar S, Dixit A. TRPV1 channel in spermatozoa is a molecular target for ROS-mediated sperm dysfunction and differentially expressed in both natural and ART pregnancy failure. Front Cell Dev Biol 2022; 10:867057. [PMID: 36211461 PMCID: PMC9538505 DOI: 10.3389/fcell.2022.867057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 08/25/2022] [Indexed: 11/13/2022] Open
Abstract
Bi-directional crosstalk between Ca2+ signaling and ROS modulates physiological processes as a part of a regulatory circuit including sperm function. The role of transient receptor potential vanilloid 1 (TRPV1) in this regard cannot be undermined. This is the first report demonstrating the Ca2+-sensitive TRPV1 channel to be under-expressed in spermatozoa of subfertile men, idiopathic infertile men, and normozoospermic infertile males with high ROS (idiopathic infertility and unilateral varicocele). To study the effect of TRPV1 in determining the fertility outcome, we compared the expression profile of TRPV1 in spermatozoa of male partners who achieved pregnancy by natural conception (NC+, n = 10), IVF (IVF+, n = 23), or ICSI (ICSI +, n = 9) and their respective counterparts with failed pregnancy NC (n = 7), IVF (n = 23), or ICSI (n = 10), by both immunocytochemistry and flow-cytometry. Reduced expression of TRPV1 in sperm of IVF ± and ICSI ± men with respect to that NC+ men imply its role in mediating successful fertilization. Unsuccessful pregnancy outcome with an underexpression of TRPV1 in sperm of NC-/IVF-/ICSI-men suggests its role in conception and maintenance of pregnancy. Since ROS is regarded as one of the major contributors to sperm dysfunction, the effect of H2O2 +/- TRPV1 modulators (RTX/iRTX) on acrosomal reaction and calcium influx was evaluated to confirm TRPV1 as a redox sensor in human sperm. A significant increment in the percentage of acrosome reacted spermatozoa along with augmented Ca2+-influx was observed after H2O2 treatment, both in the presence or absence of TRPV1 agonist resiniferatoxin (RTX). The effect was attenuated by the TRPV1 antagonist iodoresiniferatoxin (iRTX), indicating the involvement of TRPV1 in mediating H2O2 response. Enhancement of motility and triggering of acrosomal reaction post TRPV1 activation suggested that disruption of these signaling cascades in vivo, possibly due to down-regulation of TRPV1 in these subfertile males. Bioinformatic analysis of the crosstalk between TRPV1 with fertility candidate proteins (reported to influence IVF outcome) revealed cell death and survival, cellular compromise, and embryonic development to be the primary networks affected by anomalous TRPV1 expression. We therefore postulate that TRPV1 can act as a redox sensor, and its expression in spermatozoa may serve as a fertility marker.
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Affiliation(s)
- Nirlipta Swain
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, Cuttack, Odisha, India
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Odisha, India
| | - Luna Samanta
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, Cuttack, Odisha, India
- Centre for Excellence in Environment and Public Health, Ravenshaw University, Cuttack, Odisha, India
- *Correspondence: Luna Samanta, ; Chandan Goswami,
| | - Chandan Goswami
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Odisha, India
- *Correspondence: Luna Samanta, ; Chandan Goswami,
| | - Sujata Kar
- Kar Clinic and Hospital Pvt. Ltd., Bhubaneswar, India
| | - Rakesh Kumar Majhi
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Odisha, India
| | - Sugandh Kumar
- Computational Biology and Bioinformatics Laboratory, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Anshuman Dixit
- Computational Biology and Bioinformatics Laboratory, Institute of Life Sciences, Bhubaneswar, Odisha, India
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Depmeier T, Lange T, Hanekamp W, Strünker T, Lehr M. HPLC fluorescence assay for measuring the activity of diacylglycerol lipases and the action of inhibitors thereof. Anal Biochem 2022; 657:114889. [PMID: 36113549 DOI: 10.1016/j.ab.2022.114889] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/01/2022]
Abstract
1,2-Diacylglycerol lipases (DAGLs) are the most important enzymes for the biosynthesis of the endocannabinoid 2-arachidonoylglycerol (2-AG), and their role in various pathophysiological conditions is currently under investigation. We synthesized a new 1,2-diacylglycerol substrate for these enzymes with a fluorogenic 4-(pyren-1-yl)butanoyl residue in sn-2 position. Using the fluorescent substrate, we measured DAGL activity in rat liver S9 fraction and brain microsomes. To this end, 2-acylglycerol release was directly determined via HPLC and fluorescence detection without further sample clean-up. The method was used to evaluate the action of several known DAGL inhibitors. These showed partly significant differences in their inhibitory effect on DAGLs in liver versus brain preparations. The method was verified by measuring the IC50 values for a subset of inhibitors by HPLC and single-quad MS detection using the deuterated natural DAGL substrate 1-stearoyl-2-arachidonoyl-sn-glycerol-d8. DAGL activity could also be measured with the new pyrene-labeled substrate by HPLC and UV instead of fluorescence detection, if larger quantities of the samples were injected into the HPLC system. Furthermore, using intact human sperm, we show that the substrate is also converted by DAGL enzymes in human cells.
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Affiliation(s)
- Tim Depmeier
- Institute of Pharmaceutical and Medicinal Chemistry, University of Münster, Corrensstrasse 48, 48149, Münster, Germany
| | - Thomas Lange
- Institute of Pharmaceutical and Medicinal Chemistry, University of Münster, Corrensstrasse 48, 48149, Münster, Germany
| | - Walburga Hanekamp
- Institute of Pharmaceutical and Medicinal Chemistry, University of Münster, Corrensstrasse 48, 48149, Münster, Germany
| | - Timo Strünker
- Centre of Reproductive Medicine and Andrology, University Hospital Münster, University of Münster, Domagkstrasse 11, 48149 Münster, Germany
| | - Matthias Lehr
- Institute of Pharmaceutical and Medicinal Chemistry, University of Münster, Corrensstrasse 48, 48149, Münster, Germany.
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Licitra R, Marchese M, Naef V, Ogi A, Martinelli M, Kiferle C, Fronte B, Santorelli FM. A Review on the Bioactivity of Cannabinoids on Zebrafish Models: Emphasis on Neurodevelopment. Biomedicines 2022; 10:biomedicines10081820. [PMID: 36009367 PMCID: PMC9404760 DOI: 10.3390/biomedicines10081820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 11/16/2022] Open
Abstract
For centuries, the cannabis plant has been used as a source of food, fiber, and medicine. Recently, scientific interest in cannabis has increased considerably, as its bioactive compounds have shown promising potential in the treatment of numerous musculoskeletal and neurological diseases in humans. However, the mechanisms that underlie its possible effects on neurodevelopment and nervous-system functioning remain poorly understood and need to be further investigated. Although the bulk of research on cannabis and cannabinoids is based on in vitro or rodent models, the zebrafish has now emerged as a powerful in vivo model for drug-screening studies and translational research. We here review the available literature on the use of cannabis/cannabinoids in zebrafish, and particularly in zebrafish models of neurological disorders. A critical analysis suggests that zebrafish could serve as an experimental tool for testing the bioactivity of cannabinoids, and they could thus provide important insights into the safety and efficacy of different cannabis-extract-based products. The review showed that zebrafish exhibit similar behaviors to rodents following cannabinoid exposure. The authors stress the importance of analyzing the full spectrum of naturally occurring cannabinoids, rather than just the main ones, THC and CBD, and they offer some pointers on performing behavioral analysis in zebrafish.
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Affiliation(s)
- Rosario Licitra
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
| | - Maria Marchese
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
- Correspondence: (M.M.); (F.M.S.)
| | - Valentina Naef
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
| | - Asahi Ogi
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
| | - Marco Martinelli
- PlantLab, Institute of Life Sciences, Scuola Superiore Sant’Anna, 56124 Pisa, Italy; (M.M.); (C.K.)
| | - Claudia Kiferle
- PlantLab, Institute of Life Sciences, Scuola Superiore Sant’Anna, 56124 Pisa, Italy; (M.M.); (C.K.)
| | - Baldassare Fronte
- Department of Veterinary Science, University of Pisa, 56124 Pisa, Italy;
| | - Filippo Maria Santorelli
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
- Correspondence: (M.M.); (F.M.S.)
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15
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Salahshouri S, Akbarian F, Tavalaee M, Seifati SM, Nasr-Esfahani MH. Expression of TRPV1 as A Heat Sensitive Voltage-Dependent Ion Channel and Oxidative Stress in Sperm Samples of Infertile Men with Varicocele: A Case-Control Study. CELL JOURNAL 2022; 24:323-329. [PMID: 35892235 PMCID: PMC9315213 DOI: 10.22074/cellj.2022.8038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 08/02/2021] [Indexed: 11/04/2022]
Abstract
Objective Transient receptor potential vanilloid 1 (TRPV1) is a heat-activated nonselective cation channel that plays important role in the spermatogenesis, capacitation, acrosome reaction and sperm/oocyte fusion. Considering the high testicular temperature and oxidative stress in varicocele condition, we aimed to assess expression of TRPV1 in sperm of infertile men. Materials and Methods In this case-control study, twenty-five men with varicocele (grade II and III) as well as twentyfive fertile were recruited. Sperm parameters, protamine deficiency (Chromomycin A3), DNA damage (TUNEL), lipid peroxidation (BODIPY), TRPV1 gene expression (real time polymerase chain reaction), TRPV1 protein (flowcytometry and immunocytochemical techniques), and acrosome reaction were assessed between fertile and varicocele groups. Results We observed a significant decrease in the sperm parameters, and also, an increased DNA damage, lipid peroxidation, and protamine deficiency in varicocele group. Although, the mRNA expression of TRPV1 was similar between varicocele and fertile groups, its expression at the protein level was significantly decreased in the varicocele group in comparison with fertile group. Additionally, the TRPV1 localization was changed from the equatorial region to the acrosomal region of the head, especially in the acrosomal region, which was more significant in the fertile group than the varicocele group after inducing acrosome reaction. Conclusion In addition to the quality of sperm parameters, and chromatin integrity that were lower significantly in varicocele group, the expression of TRPV1 protein was also lower in varicocele condition that could be associated with reduced capacitation, acrosome reaction and sperm/oocyte fusion and thereby infertility.
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Affiliation(s)
- Sahar Salahshouri
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan,
Iran,Department of Biology , Medical Biotechnology Research Center, Ashkezar Branch, Islamic Azad University, Ashkezar, Yazd, Iran
| | - Fahimeh Akbarian
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan,
Iran
| | - Marziyeh Tavalaee
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan,
Iran,P.O.Box: 8165131378Department of Animal BiotechnologyReproductive Biomedicine Research CenterRoyan Institute
for BiotechnologyACECRIsfahanIran
Emails:,
| | - Seyed Morteza Seifati
- Department of Biology , Medical Biotechnology Research Center, Ashkezar Branch, Islamic Azad University, Ashkezar, Yazd, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan,
Iran,P.O.Box: 8165131378Department of Animal BiotechnologyReproductive Biomedicine Research CenterRoyan Institute
for BiotechnologyACECRIsfahanIran
Emails:,
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16
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Xiao W, Chen Y. TRPV1 in male reproductive system: focus on sperm function. Mol Cell Biochem 2022; 477:2567-2579. [PMID: 35595954 DOI: 10.1007/s11010-022-04469-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 05/04/2022] [Indexed: 12/21/2022]
Abstract
The transient receptor potential vanilloid 1 (TRPV1) is a receptor used to perceive external noxious stimuli and participates in the regulation of various pathophysiological mechanisms in vivo by integrating multiple signals. The explosive growth in knowledge of TRPV1 stemmed from research on neuronal pain and heat sensation over the last decades and is being expanded tremendously in peripheral tissue research. The discovery that TRPV1 is functionally active in male animal and human reproductive tissues have attracted increasing attention in recent years. Indeed, many studies have indicated that TRPV1 is an endocannabinoid receptor that mediates Anandamide's regulation of sperm function. Other characteristics of the TRPV1 channel itself, such as calcium penetration and temperature sensitivity, have also been investigated, especially the possibility that TRPV1 could act as a mediator for sperm thermotaxis. In addition, some reproductive diseases appear to be related to the protective effects of TRPV1 on oxidative stress and heat stress. A better understanding of TRPV1 in these areas should provide strategies for tackling male infertility. This paper is the first to review the expression and mechanism of TRPV1 in the male reproductive system from molecular and cellular perspectives. A focus is given on sperm function, including calcium homeostasis, crosstalk with endocannabinoid system, participation in cholesterol-related sperm maturation, and thermotaxis, hoping to capture the current situation of this rapidly developing field.
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Affiliation(s)
- Wanglong Xiao
- Institute of Life Science and School of Life Science, Nanchang University, No. 999 Xuefu Avenue, Honggutan District, Nanchang, 330031, Jiangxi, People's Republic of China
| | - Ying Chen
- Institute of Life Science and School of Life Science, Nanchang University, No. 999 Xuefu Avenue, Honggutan District, Nanchang, 330031, Jiangxi, People's Republic of China.
- Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang, Jiangxi, People's Republic of China.
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17
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Almeida MM, Dias-Rocha CP, Calviño C, Trevenzoli IH. Lipid endocannabinoids in energy metabolism, stress and developmental programming. Mol Cell Endocrinol 2022; 542:111522. [PMID: 34843899 DOI: 10.1016/j.mce.2021.111522] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 11/09/2021] [Accepted: 11/23/2021] [Indexed: 12/12/2022]
Abstract
The endocannabinoid system (ECS) regulates brain development and function, energy metabolism and stress in a sex-, age- and tissue-dependent manner. The ECS comprises mainly the bioactive lipid ligands anandamide (AEA) and 2-aracdonoylglycerol (2-AG), cannabinoid receptors 1 and 2 (CB1 and CB2), and several metabolizing enzymes. The endocannabinoid tonus is increased in obesity, stimulating food intake and a preference for fat, reward, and lipid accumulation in peripheral tissues, as well as favoring a positive energy balance. Energy balance and stress responses share adaptive mechanisms regulated by the ECS that seem to underlie the complex relationship between feeding and emotional behavior. The ECS is also a key regulator of development. Environmental insults (diet, toxicants, and stress) in critical periods of developmental plasticity, such as gestation, lactation and adolescence, alter the ECS and may predispose individuals to the development of chronic diseases and behavioral changes in the long term. This review is focused on the ECS and the developmental origins of health and disease (DOHaD).
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Affiliation(s)
- Mariana Macedo Almeida
- Carlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, RJ, Brazil
| | | | - Camila Calviño
- Carlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, RJ, Brazil
| | - Isis Hara Trevenzoli
- Carlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, RJ, Brazil.
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18
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Kaur S, Sharma N, Roy A. Role of cannabinoids in various diseases: A review. Curr Pharm Biotechnol 2021; 23:1346-1358. [PMID: 34951355 DOI: 10.2174/1389201023666211223164656] [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: 08/04/2021] [Revised: 10/21/2021] [Accepted: 11/19/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND The plant, Cannabis sativa is heavily explored and researched with many industrial and pharmaceutical applications. The medicinal and therapeutic role of cannabis Sativa has been summarized in the paper, citing its mechanism of action and influence on the human body. Diseases like metabolic disorders, infectious diseases, and psychological disorders pose negative and long-term drastic effects on the body like neurodegeneration and other chronic system failures. Several existing literature has proved its effectiveness against such diseases. OBJECTIVES This review aims to provide an overview of the role of cannabinoids in various diseases like metabolic disorders, infectious diseases, and psychological disorders. METHOD Various e-resources like Pubmed, Science Direct, and Google Scholar were thoroughly searched and read to form a well-informed and information-heavy manuscript. Here we tried to summaries the therapeutic aspect of Cannabis sativa and its bioactive compound cannabinoids in various diseases. RESULT This review highlights the various constituents which are present in Cannabis sativa, the Endocannabinoid system, and the role of cannabinoids in various diseases Conclusion: Recent research on Cannabis has suggested its role in neurodegenerative diseases, inflammation, sleep disorders, pediatric diseases, and their analgesic nature. Therefore, the authors majorly focus on the therapeutic aspect of Cannabis sativa in various diseases. The focus is also on the endocannabinoid system (ECS) and its role in fighting or preventing bacterial, parasitic, fungal, and viral infections.
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Affiliation(s)
- Simran Kaur
- Department of Biotechnology, Delhi Technological University. India
| | - Nikita Sharma
- Department of Biotechnology, Delhi Technological University, Delhi. India
| | - Arpita Roy
- Department of Biotechnology, School of Engineering & Technology, Sharda University, Greater Noida. India
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19
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Sayed TS, Balasinor NH, Nishi K. Diverse role of endocannabinoid system in mammalian male reproduction. Life Sci 2021; 286:120035. [PMID: 34637799 DOI: 10.1016/j.lfs.2021.120035] [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: 05/11/2021] [Revised: 09/24/2021] [Accepted: 10/04/2021] [Indexed: 11/26/2022]
Abstract
Endocannabinoid system (ECS) is known for its modulatory role in numerous physiological processes in the body. Endocannabinoids (eCBs) are endogenous lipid molecules which function both centrally and peripherally. The ECS is best studied in the central nervous system (CNS), immune system as well as in the metabolic system. The role of ECS in male reproductive system is emerging and the presence of a complete enzymatic machinery to synthesize and metabolize eCBs has been demonstrated in male reproductive tract. Endocannabinoid concentrations and alterations in their levels have been reported to affect the functioning of spermatozoa. A dysfunctional ECS has also been linked to the development of prostate cancer, the leading cause of cancer related mortality among male population. This review is an attempt to provide an insight into the significant role of endocannabinoids in male reproduction and further summarize recent findings that demonstrate the manner in which the endocannabinoid system impacts male sexual behavior and fertility.
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Affiliation(s)
- Tahseen S Sayed
- Department of Biotechnology, R.D. and S.H. National College and S.W.A Science College, Mumbai 400050, India
| | - Nafisa H Balasinor
- Neuroendocrinology Division, ICMR-National Institute for Research in Reproductive Health, Parel, Mumbai 400012, India.
| | - Kumari Nishi
- Neuroendocrinology Division, ICMR-National Institute for Research in Reproductive Health, Parel, Mumbai 400012, India.
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Srinivasan M, Hamouda RK, Ambedkar B, Arzoun HI, Sahib I, Fondeur J, Escudero Mendez L, Mohammed L. The Effect of Marijuana on the Incidence and Evolution of Male Infertility: A Systematic Review. Cureus 2021; 13:e20119. [PMID: 34984155 PMCID: PMC8720305 DOI: 10.7759/cureus.20119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 12/02/2021] [Indexed: 11/05/2022] Open
Abstract
Over the past decade, the consumption of marijuana or any other form of cannabis, whether medically, recreationally, or illegally, has been escalating worldwide. The additive effect of marijuana and the easy availability could make this increasing trend possible for imperceptible outcomes affecting one's physiology on multiple levels. The rationale of this review is to study and enumerate several effects marijuana may have on male reproductive organs, especially in men who are dealing with subfertility or infertility issues. A literature search was done from September 1, 2021, to September 14, 2021, using the following databases: PubMed, Google Scholar, Bielefeld Academic Search Engine (BASE), University of California, Santa Barbara Library, and PubMed Central. The studies included in this review comprised systematic reviews, cross-sectional, case-control, cohort, and longitudinal studies published during 2010-2021 in the English language. After an extensive review of all studies, the quality was assessed using appropriate quality appraisal tools, and 15 eligible reports were identified and included. In-depth research on the final studies concluded that marijuana seems to have specific adverse effects on the sperm parameters, namely, sperm count, concentration, motility, morphology, capacitation, and viability, thus affecting fertility in men. Certain hormone levels, including testosterone, luteinizing hormone, and follicle-stimulating hormone, also drew attention, potentially impacting men's fertility; however, a finite inference could not be substantiated by the studies. Although the studies show significant effects in sperm parameters and organic sexual dysfunction, it is also to be noted that these studies are observational only and are conducted in small groups in multicenter geographical locations where other lifestyle patterns could be confounding. Given this restriction, it is suggested that further human trials on a larger scale be conducted to provide an even more concrete conclusion, especially after considering other factors that may affect the generalization of these trials.
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Affiliation(s)
- Mirra Srinivasan
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ranim K Hamouda
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Baba Ambedkar
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Hadia I Arzoun
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Isra Sahib
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Jack Fondeur
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | | | - Lubna Mohammed
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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21
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The Impact of Early Life Exposure to Cannabis: The Role of the Endocannabinoid System. Int J Mol Sci 2021; 22:ijms22168576. [PMID: 34445282 PMCID: PMC8395329 DOI: 10.3390/ijms22168576] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 01/14/2023] Open
Abstract
Cannabis use during pregnancy has continued to rise, particularly in developed countries, as a result of the trend towards legalization and lack of consistent, evidence-based knowledge on the matter. While there is conflicting data regarding whether cannabis use during pregnancy leads to adverse outcomes such as stillbirth, preterm birth, low birthweight, or increased admission to neonatal intensive care units, investigations into long-term effects on the offspring’s health are limited. Historically, studies have focused on the neurobehavioral effects of prenatal cannabis exposure on the offspring. The effects of cannabis on other physiological aspects of the developing fetus have received less attention. Importantly, our knowledge about cannabinoid signaling in the placenta is also limited. The endocannabinoid system (ECS) is present at early stages of development and represents a potential target for exogenous cannabinoids in utero. The ECS is expressed in a broad range of tissues and influences a spectrum of cellular functions. The aim of this review is to explore the current evidence surrounding the effects of prenatal exposure to cannabinoids and the role of the ECS in the placenta and the developing fetus.
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22
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Ramal-Sanchez M, Bernabò N, Valbonetti L, Cimini C, Taraschi A, Capacchietti G, Machado-Simoes J, Barboni B. Role and Modulation of TRPV1 in Mammalian Spermatozoa: An Updated Review. Int J Mol Sci 2021; 22:4306. [PMID: 33919147 PMCID: PMC8122410 DOI: 10.3390/ijms22094306] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/19/2021] [Accepted: 04/19/2021] [Indexed: 12/26/2022] Open
Abstract
Based on the abundance of scientific publications, the polymodal sensor TRPV1 is known as one of the most studied proteins within the TRP channel family. This receptor has been found in numerous cell types from different species as well as in spermatozoa. The present review is focused on analyzing the role played by this important channel in the post-ejaculatory life of spermatozoa, where it has been described to be involved in events such as capacitation, acrosome reaction, calcium trafficking, sperm migration, and fertilization. By performing an exhaustive bibliographic search, this review gathers, for the first time, all the modulators of the TRPV1 function that, to our knowledge, were described to date in different species and cell types. Moreover, all those modulators with a relationship with the reproductive process, either found in the female tract, seminal plasma, or spermatozoa, are presented here. Since the sperm migration through the female reproductive tract is one of the most intriguing and less understood events of the fertilization process, in the present work, chemotaxis, thermotaxis, and rheotaxis guiding mechanisms and their relationship with TRPV1 receptor are deeply analyzed, hypothesizing its (in)direct participation during the sperm migration. Last, TRPV1 is presented as a pharmacological target, with a special focus on humans and some pathologies in mammals strictly related to the male reproductive system.
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Affiliation(s)
- Marina Ramal-Sanchez
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
| | - Nicola Bernabò
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
- Institute of Biochemistry and Cell Biology (CNR-IBBC/EMMA/Infrafrontier/IMPC), National Research Council, Monterotondo Scalo, 00015 Rome, Italy
| | - Luca Valbonetti
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
- Institute of Biochemistry and Cell Biology (CNR-IBBC/EMMA/Infrafrontier/IMPC), National Research Council, Monterotondo Scalo, 00015 Rome, Italy
| | - Costanza Cimini
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
| | - Angela Taraschi
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Via Campo Boario 1, 64100 Teramo, Italy
| | - Giulia Capacchietti
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
| | - Juliana Machado-Simoes
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
| | - Barbara Barboni
- Faculty of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (N.B.); (L.V.); (C.C.); (A.T.); (G.C.); (J.M.-S.); (B.B.)
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Oultram JMJ, Pegler JL, Bowser TA, Ney LJ, Eamens AL, Grof CPL. Cannabis sativa: Interdisciplinary Strategies and Avenues for Medical and Commercial Progression Outside of CBD and THC. Biomedicines 2021; 9:biomedicines9030234. [PMID: 33652704 PMCID: PMC7996784 DOI: 10.3390/biomedicines9030234] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/16/2021] [Accepted: 02/23/2021] [Indexed: 12/11/2022] Open
Abstract
Cannabis sativa (Cannabis) is one of the world’s most well-known, yet maligned plant species. However, significant recent research is starting to unveil the potential of Cannabis to produce secondary compounds that may offer a suite of medical benefits, elevating this unique plant species from its illicit narcotic status into a genuine biopharmaceutical. This review summarises the lengthy history of Cannabis and details the molecular pathways that underpin the production of key secondary metabolites that may confer medical efficacy. We also provide an up-to-date summary of the molecular targets and potential of the relatively unknown minor compounds offered by the Cannabis plant. Furthermore, we detail the recent advances in plant science, as well as synthetic biology, and the pharmacology surrounding Cannabis. Given the relative infancy of Cannabis research, we go on to highlight the parallels to previous research conducted in another medically relevant and versatile plant, Papaver somniferum (opium poppy), as an indicator of the possible future direction of Cannabis plant biology. Overall, this review highlights the future directions of cannabis research outside of the medical biology aspects of its well-characterised constituents and explores additional avenues for the potential improvement of the medical potential of the Cannabis plant.
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Affiliation(s)
- Jackson M. J. Oultram
- Centre for Plant Science, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; (J.M.J.O.); (J.L.P.); (A.L.E.)
| | - Joseph L. Pegler
- Centre for Plant Science, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; (J.M.J.O.); (J.L.P.); (A.L.E.)
| | - Timothy A. Bowser
- CannaPacific Pty Ltd., 109 Ocean Street, Dudley, NSW 2290, Australia;
| | - Luke J. Ney
- School of Psychological Sciences, University of Tasmania, Hobart, TAS 7005, Australia;
| | - Andrew L. Eamens
- Centre for Plant Science, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; (J.M.J.O.); (J.L.P.); (A.L.E.)
| | - Christopher P. L. Grof
- Centre for Plant Science, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; (J.M.J.O.); (J.L.P.); (A.L.E.)
- CannaPacific Pty Ltd., 109 Ocean Street, Dudley, NSW 2290, Australia;
- Correspondence: ; Tel.: +612-4921-5858
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24
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Hehemann MC, Raheem OA, Rajanahally S, Holt S, Chen T, Fustok JN, Song K, Rylander H, Chow E, Ostrowski KA, Muller CH, Walsh TJ. Evaluation of the impact of marijuana use on semen quality: a prospective analysis. Ther Adv Urol 2021; 13:17562872211032484. [PMID: 34367341 PMCID: PMC8299873 DOI: 10.1177/17562872211032484] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 06/25/2021] [Indexed: 11/23/2022] Open
Abstract
AIMS To assess if marijuana consumption - prevalent among men of reproductive age and becoming widespread due to decriminalization - is associated with changes in semen parameters. Marijuana's active metabolite, tetrahydrocannabinol, can alter signaling pathways within spermatozoa, affecting spermatogenesis and fertility. METHODS We prospectively evaluated semen analyses (SA) from men presenting for infertility evaluation at one institution from July 2017 to April 2018. Participants completed a reproductive health questionnaire including items regarding marijuana consumption. SA was performed in accordance with World Health Organization (WHO) 5th Edition criteria. SA parameters included volume (ml), concentration (million/ml), motility (%), progressive motility (%), and Tygerberg strict morphology (%). RESULTS A total of 409 patients completed the questionnaire; 174 (43%) men reported marijuana use (ever-users). Current and past users comprised 71 (17%) and 103 (25%), respectively. Compared with never-users, current and past users had a significantly higher likelihood of abnormal sperm strict morphology (33.1% versus 50.7% and 53.4%, respectively; p < 0.001). However, sperm motility was more likely to be less than WHO reference values in never-users than current and past-users (38.3% versus 21.1% and 27.2%, respectively; p = 0.01). In multivariate logistic regression analyses, current use was associated with increased odds of abnormal strict morphology [odds ratio (OR) 2.15, 95% confidence interval (CI): 1.21-3.79] and semen volume less than WHO reference value (OR 2.76, 95%CI: 1.19-6.42), while odds of less than WHO reference value sperm motility were reduced (OR 0.47, 95%CI: 0.25-0.91). CONCLUSION Marijuana use is common among men presenting for fertility evaluation, and may have a detrimental effect on semen quality, particularly morphology and volume, but may be protective against abnormal sperm motility. Large, prospective studies of both semen quality and fertility in this growing, at-risk population are warranted.
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Affiliation(s)
| | - Omer A. Raheem
- Department of Urology, Tulane University Medical Center, 1415 Tulane Avenue, 3rd Floor, New Orleans, LA 70112, USA
| | | | - Sarah Holt
- Department of Urology, University of Washington, Seattle, WA, USA
| | - Tony Chen
- Department of Urology, University of Washington, Seattle, WA, USA
| | - Judy N. Fustok
- Department of Urology, Tulane University, New Orleans, LA USA
| | - Kelly Song
- Male Fertility Lab, University of Washington, Seattle, WA, USA
| | | | - Emma Chow
- Male Fertility Lab, University of Washington, Seattle, WA, USA
| | | | - Charles H. Muller
- Department of Urology, University of Washington, Seattle, WA, USA Male Fertility Lab, University of Washington, Seattle, WA, USA
| | - Thomas J. Walsh
- Department of Urology, University of Washington, Seattle, WA, USA
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25
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Maccarrone M, Rapino C, Francavilla F, Barbonetti A. Cannabinoid signalling and effects of cannabis on the male reproductive system. Nat Rev Urol 2020; 18:19-32. [PMID: 33214706 DOI: 10.1038/s41585-020-00391-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2020] [Indexed: 12/17/2022]
Abstract
Marijuana is the most widely consumed recreational drug worldwide, which raises concerns for its potential effects on fertility. Many aspects of human male reproduction can be modulated by cannabis-derived extracts (cannabinoids) and their endogenous counterparts, known as endocannabinoids (eCBs). These latter molecules act as critical signals in a variety of physiological processes through receptors, enzymes and transporters collectively termed the endocannabinoid system (ECS). Increasing evidence suggests a role for eCBs, as well as cannabinoids, in various aspects of male sexual and reproductive health. Although preclinical studies have clearly shown that ECS is involved in negative modulation of testosterone secretion by acting both at central and testicular levels in animal models, the effect of in vivo exposure to cannabinoids on spermatogenesis remains a matter of debate. Furthermore, inconclusive clinical evidence does not seem to support the notion that plant-derived cannabinoids have harmful effects on human sexual and reproductive health. An improved understanding of the complex crosstalk between cannabinoids and eCBs is required before targeting of ECS for modulation of human fertility becomes a reality.
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Affiliation(s)
- Mauro Maccarrone
- Department of Applied Clinical and Biotechnological Sciences, University of L'Aquila, L'Aquila, Italy.
| | - Cinzia Rapino
- School of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - Felice Francavilla
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Arcangelo Barbonetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
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26
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Pandelides Z, Thornton C, Lovitt KG, Faruque AS, Whitehead AP, Willett KL, Ashpole NM. Developmental exposure to Δ 9-tetrahydrocannabinol (THC) causes biphasic effects on longevity, inflammation, and reproduction in aged zebrafish (Danio rerio). GeroScience 2020; 42:923-936. [PMID: 32227279 PMCID: PMC7286997 DOI: 10.1007/s11357-020-00175-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 02/27/2020] [Indexed: 02/07/2023] Open
Abstract
Increased availability of cannabis and cannabinoid-containing products necessitates the need for an understanding of how these substances influence aging. In this study, zebrafish (Danio rerio) were exposed to different concentrations of THC (0.08, 0.4, 2 μM) during embryonic-larval development and the effects on aging were measured 30 months later and in the offspring of the exposed fish (F1 generation). Exposure to 0.08 μM THC resulted in increased male survival at 30 months of age. As the concentration of THC increased, this protective effect was lost. Treatment with the lowest concentration of THC also significantly increased egg production, while higher concentrations resulted in impaired fecundity. Treatment with the lowest dose of THC significantly reduced wet weight, the incidence of kyphosis, and the expression of several senescence and inflammatory markers (p16ink4ab, tnfα, il-1β, il-6, pparα and pparγ) in the liver, but not at higher doses indicating a biphasic or hormetic effect. Exposure to THC did not affect the age-related reductions in locomotor behavior. Within the F1 generation, many of these changes were not observed. However, the reduction in fecundity due to THC exposure was worse in the F1 generation because offspring whose parents received high dose of THC were completely unable to reproduce. Together, our results demonstrate that a developmental exposure to THC can cause significant effects on longevity and healthspan of zebrafish in a biphasic manner.
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Affiliation(s)
- Zacharias Pandelides
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, Oxford, MS, 38677, USA
| | - Cammi Thornton
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, Oxford, MS, 38677, USA
| | - Kayla G Lovitt
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, Oxford, MS, 38677, USA
| | - Anika S Faruque
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, Oxford, MS, 38677, USA
| | - Alyssa P Whitehead
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, Oxford, MS, 38677, USA
| | - Kristine L Willett
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, Oxford, MS, 38677, USA
- Research Institute of Pharmaceutical Sciences, University of Mississippi School of Pharmacy, University, Oxford, MS, 38677, USA
| | - Nicole M Ashpole
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, Oxford, MS, 38677, USA.
- Research Institute of Pharmaceutical Sciences, University of Mississippi School of Pharmacy, University, Oxford, MS, 38677, USA.
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27
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Chen Y, Wang H, Wang F, Chen C, Zhang P, Song D, Luo T, Xu H, Zeng X. Sperm motility modulated by Trpv1 regulates zebrafish fertilization. Theriogenology 2020; 151:41-51. [PMID: 32251938 DOI: 10.1016/j.theriogenology.2020.03.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 03/20/2020] [Accepted: 03/24/2020] [Indexed: 02/07/2023]
Abstract
By responding to environmental and intracellular stimuli, ion channels play critical roles in sperm function regulation. Although the importance of ion channel in male reproduction has drawn increasing attention in many species, the knowledge about ion channels in zebrafish sperm is limited. Here, we show zebrafish sperm motility could be suppressed by general calcium channel blockers rather than by general potassium channel blockers. Further investigation found that sperm motility was not only suppressed by antagonist for the transient receptor potential vanilloid channel, subtype 1 (Trpv1), but also restored by its agonist, suggesting functional presence of Trpv1 in zebrafish spermatozoa. As a consequence, the suppression of sperm motility by Trpv1 antagonist could reduce in vitro fertilization rate. Western blot and immunofluorescence analysis proved that Trpv1 was mainly distributed in the neck and tail regions of zebrafish sperm. Additionally, neither antagonist nor agonist of Trpv1 exhibited effect on the motility of trpv1-/- zebrafish sperm. To our knowledge, this is one of the limited studies showing the importance of ion channels in regulating zebrafish sperm function, and may enrich our understanding on male reproductive physiology of zebrafish and offer novel regulatory target for fish breeding and sperm cryopreservation.
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Affiliation(s)
- Ying Chen
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China
| | - Hantsing Wang
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China
| | - Fang Wang
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China
| | - Chen Chen
- Institute of Reproductive Medicine, Nantong University, Nantong, Jiangsu, PR China
| | - Peng Zhang
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China
| | - Dandan Song
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China
| | - Tao Luo
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China
| | - Hong Xu
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China.
| | - Xuhui Zeng
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi, PR China; Institute of Reproductive Medicine, Nantong University, Nantong, Jiangsu, PR China.
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28
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Chioccarelli T, Pierantoni R, Manfrevola F, Porreca V, Fasano S, Chianese R, Cobellis G. Histone Post-Translational Modifications and CircRNAs in Mouse and Human Spermatozoa: Potential Epigenetic Marks to Assess Human Sperm Quality. J Clin Med 2020; 9:jcm9030640. [PMID: 32121034 PMCID: PMC7141194 DOI: 10.3390/jcm9030640] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 02/20/2020] [Accepted: 02/20/2020] [Indexed: 12/14/2022] Open
Abstract
Spermatozoa (SPZ) are motile cells, characterized by a cargo of epigenetic information including histone post-translational modifications (histone PTMs) and non-coding RNAs. Specific histone PTMs are present in developing germ cells, with a key role in spermatogenic events such as self-renewal and commitment of spermatogonia (SPG), meiotic recombination, nuclear condensation in spermatids (SPT). Nuclear condensation is related to chromatin remodeling events and requires a massive histone-to-protamine exchange. After this event a small percentage of chromatin is condensed by histones and SPZ contain nucleoprotamines and a small fraction of nucleohistone chromatin carrying a landascape of histone PTMs. Circular RNAs (circRNAs), a new class of non-coding RNAs, characterized by a nonlinear back-spliced junction, able to play as microRNA (miRNA) sponges, protein scaffolds and translation templates, have been recently characterized in both human and mouse SPZ. Since their abundance in eukaryote tissues, it is challenging to deepen their biological function, especially in the field of reproduction. Here we review the critical role of histone PTMs in male germ cells and the profile of circRNAs in mouse and human SPZ. Furthermore, we discuss their suggested role as novel epigenetic biomarkers to assess sperm quality and improve artificial insemination procedure.
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29
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Ito Y, Tomizawa M, Suzuki K, Shirakawa Y, Ono H, Adachi K, Suzuki H, Shimomura K, Nabeshima T, Kamijima M. Organophosphate Agent Induces ADHD-Like Behaviors via Inhibition of Brain Endocannabinoid-Hydrolyzing Enzyme(s) in Adolescent Male Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:2547-2553. [PMID: 31995978 DOI: 10.1021/acs.jafc.9b08195] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Anticholinergic organophosphate (OP) agents act on the diverse serine hydrolases, thereby revealing unexpected biological effects. Epidemiological studies indicate a relationship between the OP exposure and development of attention-deficit/hyperactivity disorder (ADHD)-like symptoms, whereas no plausible mechanism for the OP-induced ADHD has been established. The present investigation employs ethyl octylphosphonofluoridate (EOPF) as an OP-probe, which is an extremely potent inhibitor of endocannabinoid (EC, anandamide and 2-arachidonoylglycerol)-hydrolyzing enzymes: that is, fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL). An ex vivo experiment shows that EOPF treatment decreases FAAH and MAGL activities and conversely increases EC levels in the rat brain. Subsequently, EOPF (treated intraperitoneally once at 0, 1, 2, or 3 mg/kg) clearly induces ADHD-like behaviors (in elevated plus-maze test) in both Wistar and spontaneously hypertensive rats. The EOPF-induced behaviors are reduced by a concomitant administration of cannabinoid receptor inverse agonist SLV-319. Accordingly, the EC system is a feasible target for OP-caused ADHD-like behaviors in adolescent rats.
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Affiliation(s)
- Yuki Ito
- Department of Occupational and Environmental Health , Nagoya City University Graduate School of Medical Sciences , Nagoya 467-8601 , Japan
| | - Motohiro Tomizawa
- Department of Chemistry, Faculty of Life Sciences , Tokyo University of Agriculture , Setakaya , Tokyo 156-8502 , Japan
| | - Kazutaka Suzuki
- Department of Occupational and Environmental Health , Nagoya City University Graduate School of Medical Sciences , Nagoya 467-8601 , Japan
| | - Yuichi Shirakawa
- Department of Occupational and Environmental Health , Nagoya City University Graduate School of Medical Sciences , Nagoya 467-8601 , Japan
| | - Hiromasa Ono
- Department of Occupational and Environmental Health , Nagoya City University Graduate School of Medical Sciences , Nagoya 467-8601 , Japan
| | - Keishi Adachi
- Department of Occupational and Environmental Health , Nagoya City University Graduate School of Medical Sciences , Nagoya 467-8601 , Japan
| | - Himiko Suzuki
- Department of Occupational and Environmental Health , Nagoya City University Graduate School of Medical Sciences , Nagoya 467-8601 , Japan
| | - Kenji Shimomura
- Department of Chemistry, Faculty of Life Sciences , Tokyo University of Agriculture , Setakaya , Tokyo 156-8502 , Japan
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory , Fujita Health University , Nagoya , Aichi 470-1192 , Japan
| | - Michihiro Kamijima
- Department of Occupational and Environmental Health , Nagoya City University Graduate School of Medical Sciences , Nagoya 467-8601 , Japan
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30
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Hazem NM, Zalata A, Alghobary M, Comhaire F, Elabbasy LM. Evaluation of cannabinoid receptors Type 1 and Type 2 mRNA expression in mature versus immature spermatozoa from fertile and infertile males. Andrologia 2020; 52:e13532. [PMID: 32064664 DOI: 10.1111/and.13532] [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: 10/28/2019] [Revised: 12/13/2019] [Accepted: 12/31/2019] [Indexed: 12/16/2022] Open
Abstract
The expression of the main cannabinoid receptors (CBR1 and CBR2) was investigated to evaluate the possible association with the sperm maturation from fertile and infertile individuals. One hundred subjects were classified into fertile (n = 50) and infertile groups (n = 50). Fresh semen samples were collected. Computer-assisted semen analysis and acrosin activity test were done. RNA was extracted from mature and immature sperm pellets. Reverse transcriptase reaction and real-time PCR were done to assess the levels of both CBR1 and CBR2 genes expression in all samples. Mature spermatozoa from both groups showed significantly higher levels of both CBR1 and CBR2 compared with the immature spermatozoa (p < .05). This increment was significantly more important in the fertile group (p < .05). In mature spermatozoa, CBR1 expression was significantly related to variation in sperm morphology, and CBR2 was significantly related to both sperm morphology and linearity index. In conclusion, CBR1 and CBR2 mRNA expression may closely direct the sperm maturation at different steps of the reproductive process.
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Affiliation(s)
- Noha M Hazem
- Medical Biochemistry Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Adel Zalata
- Medical Biochemistry Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Moheiddin Alghobary
- Dermatology and Andrology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Frank Comhaire
- Emeritus Professor of Andrology, Ghent University Hospital, Ghent, Belgium
| | - Lamiaa M Elabbasy
- Medical Biochemistry Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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31
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Barchi M, Innocenzi E, Giannattasio T, Dolci S, Rossi P, Grimaldi P. Cannabinoid Receptors Signaling in the Development, Epigenetics, and Tumours of Male Germ Cells. Int J Mol Sci 2019; 21:ijms21010025. [PMID: 31861494 PMCID: PMC6981618 DOI: 10.3390/ijms21010025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 12/16/2019] [Accepted: 12/16/2019] [Indexed: 12/16/2022] Open
Abstract
Endocannabinoids are natural lipid molecules whose levels are regulated by specific biosynthetic and degradative enzymes. They bind to and activate two main cannabinoid receptors type 1 (CB1) and type 2 (CB2), and together with their metabolizing enzymes form the “endocannabinoid system” (ECS). In the last years, the relevance of endocannabinoids (eCBs) as critical modulators in various aspects of male reproduction has been pointed out. Mammalian male germ cells, from mitotic to haploid stage, have a complete ECS which is modulated during spermatogenesis. Compelling evidence indicate that in the testis an appropriate “eCBs tone”, associated to a balanced CB receptors signaling, is critical for spermatogenesis and for the formation of mature and fertilizing spermatozoa. Any alteration of this system negatively affects male reproduction, from germ cell differentiation to sperm functions, and might have also an impact on testicular tumours. Indeed, most of testicular tumours develop during early germ-cell development in which a maturation arrest is thought to be the first key event leading to malignant transformation. Considering the ever-growing number and complexity of the data on ECS, this review focuses on the role of cannabinoid receptors CB1 and CB2 signaling in male germ cells development from gonocyte up to mature spermatozoa and in the induction of epigenetic alterations in these cells which might be transmitted to the progeny. Furthermore, we present new evidence on their relevance in testicular cancer.
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32
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Forner-Piquer I, Fakriadis I, Mylonas CC, Piscitelli F, Di Marzo V, Maradonna F, Calduch-Giner J, Pérez-Sánchez J, Carnevali O. Effects of Dietary Bisphenol A on the Reproductive Function of Gilthead Sea Bream ( Sparus aurata) Testes. Int J Mol Sci 2019; 20:ijms20205003. [PMID: 31658598 PMCID: PMC6835794 DOI: 10.3390/ijms20205003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/03/2019] [Accepted: 10/05/2019] [Indexed: 12/14/2022] Open
Abstract
Bisphenol A (BPA), a known endocrine disrupting chemical (EDC), was administered by diet to gilthead sea bream (Sparus aurata) in order to study its effects on the endocannabinoid system (ECS) and gonadal steroidogenesis. 2-year-old male gilthead sea bream were fed with two different concentrations of BPA (LOW at 4 and HIGH at 4000 µg/kg body weight for 21 days during the reproductive season. Exposure to 4000 µg BPA/kg bw/day (BPA HIGH) reduced sperm motility and altered the straight-line velocity (VSL) and linearity (LIN). Effects on steroidogenesis were evident, with testosterone (T) being up-regulated by both treatments and 11-ketotestosterone (11-KT) down-regulated by BPA HIGH. Plasma levels of 17β-estradiol (E2) were not affected. The Gonadosomatic Index (GSI) increased in the BPA HIGH group. Interestingly, the levels of endocannabinoids and endocannabinoid-like compounds were significantly reduced after both treatments. Unpredictably, a few changes were noticed in the expression of genes coding for ECS enzymes, while the receptors were up-regulated depending on the BPA dose. Reproductive markers in testis (leptin receptor (lepr), estrogen receptors (era, erb), progesterone receptors (pr) and the gonadotropin releasing hormone receptor (gnrhr)) were up-regulated. BPA induced the up-regulation of the hepatic genes involved in oogenesis (vitellogenin (vtg) and zona pellucida 1 (zp1)).
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Affiliation(s)
- Isabel Forner-Piquer
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Ioannis Fakriadis
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Center for Marine Research, P.O. Box 2214, Heraklion, 71003 Crete, Greece.
| | - Constantinos C Mylonas
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Center for Marine Research, P.O. Box 2214, Heraklion, 71003 Crete, Greece.
| | - Fabiana Piscitelli
- Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Via Campi Flegrei, 80078 Pozzuoli, Italy.
| | - Vincenzo Di Marzo
- Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Via Campi Flegrei, 80078 Pozzuoli, Italy.
- Canada Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, Université Laval, Quebec City, QC G1V 0A6, Canada.
| | - Francesca Maradonna
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Josep Calduch-Giner
- Nutrigenomics and Fish Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS-CSIC), 12595 Ribera de Cabanes, Castellón, Spain.
| | - Jaume Pérez-Sánchez
- Nutrigenomics and Fish Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS-CSIC), 12595 Ribera de Cabanes, Castellón, Spain.
| | - Oliana Carnevali
- Dipartimento Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
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Characterisation and localisation of the endocannabinoid system components in the adult human testis. Sci Rep 2019; 9:12866. [PMID: 31537814 PMCID: PMC6753062 DOI: 10.1038/s41598-019-49177-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 08/19/2019] [Indexed: 12/18/2022] Open
Abstract
Heavy use of cannabis (marijuana) has been associated with decreased semen quality, which may reflect disruption of the endocannabinoid system (ECS) in the male reproductive tract by exogenous cannabinoids. Components of ECS have been previously described in human spermatozoa and in the rodent testis but there is little information on the ECS expression within the human testis. In this study we characterised the main components of the ECS by immunohistochemistry (IHC) on archived testis tissue samples from 15 patients, and by in silico analysis of existing transcriptome datasets from testicular cell populations. The presence of 2-arachidonoylglycerol (2-AG) in the human testis was confirmed by matrix-assisted laser desorption ionization imaging analysis. Endocannabinoid-synthesising enzymes; diacylglycerol lipase (DAGL) and N-acyl-phosphatidylethanolamine-specific phospholipase D (NAPE-PLD), were detected in germ cells and somatic cells, respectively. The cannabinoid receptors, CNR1 and CNR2 were detected at a low level in post-meiotic germ cells and Leydig- and peritubular cells. Different transcripts encoding distinct receptor isoforms (CB1, CB1A, CB1B and CB2A) were also differentially distributed, mainly in germ cells. The cannabinoid-metabolising enzymes were abundantly present; the α/β-hydrolase domain-containing protein 2 (ABHD2) in all germ cell types, except early spermatocytes, the monoacylglycerol lipase (MGLL) in Sertoli cells, and the fatty acid amide hydrolase (FAAH) in late spermatocytes and post-meiotic germ cells. Our findings are consistent with a direct involvement of the ECS in regulation of human testicular physiology, including spermatogenesis and Leydig cell function. The study provides new evidence supporting observations that recreational cannabis can have possible deleterious effects on human testicular function.
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Carroll K, Pottinger AM, Wynter S, DaCosta V. Marijuana use and its influence on sperm morphology and motility: identified risk for fertility among Jamaican men. Andrology 2019; 8:136-142. [PMID: 31267718 DOI: 10.1111/andr.12670] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/22/2019] [Accepted: 05/23/2019] [Indexed: 11/27/2022]
Abstract
BACKGROUND The growing international movement legislating medical marijuana has brought renewed interest to the role of marijuana smoking on fertility potential. Although studies have identified that sperm quality can be compromised by marijuana use, little focus has been placed specifically on those trying to conceive. In this study, we aimed to clarify the impact of marijuana use in semen quality in men being investigated for assisted reproduction. MATERIALS AND METHODS We conducted a cross-sectional study at a university-based facility in Jamaica. Routine semen analyses were performed on 229 men ages 23-72 years who were new clients. Logistic regression analyses were performed in order to independently predict quantifiable measures of the impact of marijuana use. The main outcome measures were sperm motility, total motile spermatozoa and morphology. RESULTS Overall, 47% of the participants reported marijuana use with 21% of these men reporting recent use. Regression analyses showed that recent use and users of large quantities of marijuana were 2.6 times (aOR = 2.6; 95% CI, 1.0-6.8, p = 0.044) and 4.3 times (aOR = 4.3; 95% CI, 1.1-15.9, p = 0.030) at greater risk of being diagnosed with abnormal motility (asthenozoospermia). Additionally, moderate quantity users were 3.4 times (aOR = 3.4; 95% CI, 1.5-7.9, p = 0.004) more likely to be diagnosed with abnormal morphology (teratozoospermia). DISCUSSION AND CONCLUSION Recent use of marijuana as well as moderate to large quantities had an impact on sperm motility and morphology in men being investigated for infertility. We recommend therefore that men undergoing fertility investigations be routinely asked about their recreational use of marijuana and in particular recent and heavy users counselled to stop.
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Affiliation(s)
- K Carroll
- The Hugh Wynter Fertility Management Unit, The University of the West Indies, Kingston Kingston 7, Jamaica
| | - A M Pottinger
- Department of Child and Adolescent Health, The University of the West Indies, Kingston Kingston 7, Jamaica
| | - S Wynter
- Department Obstetrics and Gynaecology, The University of the West Indies, Kingston Kingston 7, Jamaica
| | - V DaCosta
- Department Obstetrics and Gynaecology, The University of the West Indies, Kingston Kingston 7, Jamaica
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Rajanahally S, Raheem O, Rogers M, Brisbane W, Ostrowski K, Lendvay T, Walsh T. The relationship between cannabis and male infertility, sexual health, and neoplasm: a systematic review. Andrology 2019; 7:139-147. [DOI: 10.1111/andr.12585] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 12/15/2018] [Accepted: 12/20/2018] [Indexed: 12/13/2022]
Affiliation(s)
- S. Rajanahally
- Department of Urology University of Washington Medical Center Seattle WA USA
| | - O. Raheem
- Department of Urology Tulane University New Orleans LA USA
| | - M. Rogers
- Department of Urology Medical University of South Carolina Charleston SC USA
| | - W. Brisbane
- Department of Urology University of Washington Medical Center Seattle WA USA
| | - K. Ostrowski
- Department of Urology University of Washington Medical Center Seattle WA USA
| | - T. Lendvay
- Department of Urology Seattle Children's Hospital Seattle WA USA
| | - T. Walsh
- Department of Urology University of Washington Medical Center Seattle WA USA
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Carty DR, Miller ZS, Thornton C, Pandelides Z, Kutchma ML, Willett KL. Multigenerational consequences of early-life cannabinoid exposure in zebrafish. Toxicol Appl Pharmacol 2018; 364:133-143. [PMID: 30594692 DOI: 10.1016/j.taap.2018.12.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 12/24/2018] [Accepted: 12/26/2018] [Indexed: 12/21/2022]
Abstract
While Δ9-tetrahydrocannabinol (THC) has been widely studied in the realm of developmental and reproductive toxicology, few studies have investigated potential toxicities from a second widely used cannabis constituent, cannabidiol (CBD). CBD is popularized for its therapeutic potential for reducing seizure frequencies in epilepsy. This study investigated developmental origins of health and disease (DOHaD) via multigenerational gene expression patterns, behavior phenotypes, and reproductive fitness of a subsequent F1 following an F0 developmental exposure of zebrafish (Danio rerio) to THC (0.024, 0.12, 0.6 mg/L; 0.08, 0.4, 2 μM) or CBD (0.006, 0.03, 0.15 mg/L; 0.02, 0.1, 0.5 μM). Embryonic exposure at these concentrations did not cause notable morphological abnormalities in either F0 or F1 generations. However, during key developmental stages (14, 24, 48, 72, and 96 h post fertilization) THC and CBD caused differential expression of c-fos, brain-derived neurotrophic factor (bdnf), and deleted-in-azoospermia like (dazl), while in F1 larvae only CBD differentially expressed dazl. Larval photomotor behavior was reduced (F0) or increased (F1) by THC exposure, while CBD had no effect on F0 larvae, but decreased activity in the unexposed F1 larvae. These results support our hypothesis of cannabinoid-related developmental neurotoxicity. As adults, F0 fecundity was reduced, but it was not in F1 adults. Conversely, in the adult open field test there were no significant effects in F0 fish, but a significant reduction in the time in periphery was seen in F1 fish from the highest THC exposure group. The results highlight the need to consider long-term ramifications of early-life exposure to cannabinoids.
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Affiliation(s)
- Dennis R Carty
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA; Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
| | - Zachary S Miller
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Cammi Thornton
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Zacharias Pandelides
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Marisa L Kutchma
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Kristine L Willett
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA.
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López-Cardona AP, Ibarra-Lecue I, Laguna-Barraza R, Pérez-Cerezales S, Urigüen L, Agirregoitia N, Gutiérrez-Adán A, Agirregoitia E. Effect of chronic THC administration in the reproductive organs of male mice, spermatozoa and in vitro fertilization. Biochem Pharmacol 2018; 157:294-303. [PMID: 30077641 DOI: 10.1016/j.bcp.2018.07.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 07/31/2018] [Indexed: 01/16/2023]
Abstract
The increased use of cannabis as a therapeutic drug in recent years has raised some concerns due to its potential effects on reproductive health. With regards to the male, the endocannabinoid system is involved in the spermatogenesis and in the sperm function. The chronic use of tetrahidrocannabinol (THC) has been associated with sperm anomalies, decreased sperm motility and structural changes in the testis. However, whether THC affects sperms ability to fertilize and to generate embryos remains unclear. The aim of this study was to evaluate this effect using a mice model of THC chronic treatment. For this purpose, a chronic treatment with THC was carried out. Mice were randomly allocated into two groups: an experimental group treated with a daily dose of 10 mg/kg-body weight THC for a period of 30 days and a control group treated with a vehicle. The THC-mice cortex showed a significant decrease of mRNA of Cnr1 compared to control-mice while, in the testis, the expression of Cnr1 was not affected. The weight of testis and epididymis and the histological analysis did not show any change between groups. On the other hand, no changes were observed in the sperm motility or the sperm concentration. The chronic use of THC did not generate any methylation change in the three CpG regions of Cnn1 analysed, neither in the brain nor in the embryos generated by in vitro fertilization (IVF). Finally, the embryo production by IVF was no different using spermatozoa from both THC and control mice. This work contradicts the belief that THC consumption has a negative effect on male reproductive processes.
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Affiliation(s)
- A P López-Cardona
- Dept. of Animal Reproduction, INIA, Madrid, Spain; G.I. Biogénesis, University of Antioquia, Medellín, Colombia
| | - I Ibarra-Lecue
- Dept. of Pharmacology, Faculty of Medicine and Nursing, UPV/EHU, Leioa, Bizkaia and Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain; Dept. of Physiology, Faculty of Medicine and Nursing, UPV/EHU, Leioa, Bizkaia, Spain
| | | | | | - L Urigüen
- Dept. of Pharmacology, Faculty of Medicine and Nursing, UPV/EHU, Leioa, Bizkaia and Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain; Dept. of Physiology, Faculty of Medicine and Nursing, UPV/EHU, Leioa, Bizkaia, Spain
| | - N Agirregoitia
- Dept. of Physiology, Faculty of Medicine and Nursing, UPV/EHU, Leioa, Bizkaia, Spain
| | | | - E Agirregoitia
- Dept. of Physiology, Faculty of Medicine and Nursing, UPV/EHU, Leioa, Bizkaia, Spain.
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Transcriptional abundance of type-1 endocannabinoid receptor (CB1) and fatty acid amide hydrolase (FAAH) in bull spermatozoa: Relationship with field fertility. Theriogenology 2018; 114:252-257. [PMID: 29660628 DOI: 10.1016/j.theriogenology.2018.04.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 03/31/2018] [Accepted: 04/03/2018] [Indexed: 11/22/2022]
Abstract
A highly sophisticated endogenous cannabinoid system (ECS) has been shown to play a crucial role in controlling sperm functions and fertility in men. In the present study, we report the differences in the expression level of components of ECS [type-1 endocannabinoid receptor (CB1) and fatty acid amide hydrolase (FAAH)] in spermatozoa from bulls with different field fertility ratings. Cryopreserved spermatozoa from crossbred cattle bulls (n = 40) were utilized for the study. The bulls were classified into high-, medium- and low-fertile bulls based on field conception rates. Sperm viability, capacitation status and protamine deficiency were assessed. Spermatozoa RNA was isolated from all the bulls, cDNA was synthesized and quantitative real time PCR was carried out to study the transcriptional abundance of CB1 and FAAH genes. Sperm viability was lower and capacitation was higher (p < 0.05) in low fertile bulls compared to medium and high fertile bulls. The expression level of CB1 gene was significantly (p < 0.05) lower in spermatozoa from low and medium fertile bulls compared to high fertile bulls. The expression of CB1 gene was 21.07 and 4.23 times greater in high and medium fertile bulls, respectively compared to low fertile bulls. The correlation between CB1 gene expression and field conception rate of bulls was positive and significant (r = 0.57; p < 0.001). Unlike CB1 receptors, FAAH gene expression was similar among high, medium and low fertile bulls. The correlation of FAAH expression with bull conception rate was positive but not significant. It was concluded that the transcriptional abundance of type-1 endocannabinoid receptor (CB1) was positively and significantly related to bull fertility.
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Jin SK, Yang WX. Factors and pathways involved in capacitation: how are they regulated? Oncotarget 2018; 8:3600-3627. [PMID: 27690295 PMCID: PMC5356907 DOI: 10.18632/oncotarget.12274] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 09/23/2016] [Indexed: 01/07/2023] Open
Abstract
In mammals, fertilization occurs via a comprehensive progression of events. Freshly ejaculated sperm have yet to acquire progressive motility or fertilization ability. They must first undergo a series of biochemical and physiological changes, collectively known as capacitation. Capacitation is a significant prerequisite to fertilization. During the process of capacitation, changes in membrane properties, intracellular ion concentration and the activities of enzymes, together with other protein modifications, induce multiple signaling events and pathways in defined media in vitro or in the female reproductive tract in vivo. These, in turn, stimulate the acrosome reaction and prepare spermatozoa for penetration of the egg zona pellucida prior to fertilization. In the present review, we conclude all mainstream factors and pathways regulate capacitation and highlight their crosstalk. We also summarize the relationship between capacitation and assisted reproductive technology or human disease. In the end, we sum up the open questions and future avenues in this field.
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Affiliation(s)
- Shi-Kai Jin
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Wan-Xi Yang
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, China
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40
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Durairajanayagam D. Lifestyle causes of male infertility. Arab J Urol 2018; 16:10-20. [PMID: 29713532 PMCID: PMC5922227 DOI: 10.1016/j.aju.2017.12.004] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 12/05/2017] [Accepted: 12/12/2017] [Indexed: 01/08/2023] Open
Abstract
Objective To examine the potential effects of lifestyle factors on male reproductive health. Evidence of a global decline in human sperm quality over recent decades has been accumulating. Environmental, occupational, and modifiable lifestyle factors may contribute to this decline. This review focuses on key lifestyle factors that are associated with male infertility such as smoking cigarettes, alcohol intake, use of illicit drugs, obesity, psychological stress, advanced paternal age, dietary practices, and coffee consumption. Other factors such as testicular heat stress, intense cycling training, lack of sleep and exposure to electromagnetic radiation from mobile phone use are briefly discussed. Materials and method A comprehensive literature search was performed to identify and synthesise all relevant information, mainly from within the last decade, on the major lifestyle factors associated with male infertility and semen quality. Database searches were limited to reports published in English only. A manual search of bibliographies of the reports retrieved was conducted to identify additional relevant articles. Results In all, 1012 articles were identified from the database search and after reviewing the titles and abstract of the reports, 104 articles met the inclusion criteria. Of these, 30 reports were excluded as the full-text could not be retrieved and the abstract did not have relevant data. The remaining 74 reports were reviewed for data on association between a particular lifestyle factor and male infertility and were included in the present review. Conclusion The major lifestyle factors discussed in the present review are amongst the multiple potential risk factors that could impair male fertility. However, their negative impact may well be mostly overcome by behaviour modification and better lifestyle choices. Greater awareness and recognition of the possible impact of these lifestyle factors are important amongst couples seeking conception.
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Key Words
- AAS, anabolic–androgenic steroids
- APA, advanced paternal age
- ART, assisted reproductive technology
- ASIH, anabolic steroid-induced hypogonadism
- BMI, body mass index
- Chk1, checkpoint kinase 1
- ECS, endogenous cannabinoid system
- GnIH, gonadotropin-inhibitory hormone
- HADS, Hospital Anxiety and Depression Score
- HPA, hypothalamus–pituitary–adrenal
- HPG, hypothalamus–pituitary–gonadal
- ICSI, intracytoplasmic sperm injection
- IUI, intrauterine insemination
- IVF, in vitro fertilisation
- Lifestyle
- MMP, mitochondrial membrane potential
- Male infertility
- ROS, reactive oxygen species
- Risk factors
- SOD, superoxide dismutase
- Semen quality
- Sperm DNA fragmentation
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Affiliation(s)
- Damayanthi Durairajanayagam
- Address: Discipline of Physiology, Faculty of Medicine, Sungai Buloh Campus, Universiti Teknologi MARA, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia. Fax: +60 3 6126 5224.
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Kumar V, Kumaresan A, Kumar D.S P, Lathika S, Nayak S, Kishor Saraf K, Nag B.S P, Chhillar S, Kumar Datta T, Kumar Mohanty T. Anandamide exerts a suppressive effect on sperm binding to oviduct explants through CB1 receptors in the water buffalo (Bubalus bubalis). Anim Reprod Sci 2017; 185:188-194. [DOI: 10.1016/j.anireprosci.2017.08.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/18/2017] [Accepted: 08/21/2017] [Indexed: 11/24/2022]
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Ückert S, la Croce G, Bettiga A, Albrecht K, Buono R, Benigni F, Kuczyk MA, Hedlund P. Expression and distribution of key proteins of the endocannabinoid system in the human seminal vesicles. Andrologia 2017; 50. [PMID: 28786134 DOI: 10.1111/and.12875] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/01/2017] [Indexed: 12/25/2022] Open
Abstract
The endocannabinoid system (ECS), comprising the cannabinoid receptors (CBR), their ligands, and enzymes controlling the turnover of endocannabinoids, has been suggested to be involved in male reproductive function. As information is scarce on the expression of the ECS in human male reproductive tissues, this study aimed to investigate by means of molecular biology (RT-PCR) and immunohistochemistry/immunofluorescence the expression and distribution of CB1 and CB2, GPR55 (an orphan G protein-coupled receptor that recognises cannabinoid ligands) and FAAH (isoforms 1 and 2) in the human seminal vesicles (SV). The specimens expressed PCR products corresponding to CB1 (66 bp), CB2 (141 bp), GPR55 (112 bp), FAAH1 (260 bp) and FAAH2 (387 bp). Immumohistochemistry revealed dense expression of CB1, CB2 and GPR55 located to the pseudo-stratified columnar epithelium and varicose nerves (also characterised by the expression of vasoactive intestinal polypeptide and calcitonin gene-related peptide). Cytosolic staining for FAAH1 and FAAH2 was seen in cuboidal cells of all layers of the epithelium. No immunoreactivity was detected in the smooth musculature or nerve fibres. CB1, CB2, GPR55, FAAH1 and FAAH2 are highly expressed in the human SV. Considering their localisation, the ECS may be involved in epithelial homeostasis, secretory function or autonomic mechano-afferent signalling.
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Affiliation(s)
- S Ückert
- Division of Surgery, Department of Urology & Urological Oncology, Hannover Medical School, Hannover, Germany
| | - G la Croce
- Faculty of Medicine, Urological Research Institute (URI), University Vita Salute San Raffaele, Milano, Italy
| | - A Bettiga
- Faculty of Medicine, Urological Research Institute (URI), University Vita Salute San Raffaele, Milano, Italy
| | - K Albrecht
- Institute for Legal (Forensic) Medicine, Hannover Medical School, Hannover, Germany
| | - R Buono
- Department of Gerontology, University of Southern California (USC), Los Angeles, CA, USA
| | - F Benigni
- Faculty of Medicine, Urological Research Institute (URI), University Vita Salute San Raffaele, Milano, Italy
| | - M A Kuczyk
- Division of Surgery, Department of Urology & Urological Oncology, Hannover Medical School, Hannover, Germany
| | - P Hedlund
- Department of Clinical Pharmacology, Faculty of Medicine, Lund University, Lund, Sweden
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De Toni L, Garolla A, Menegazzo M, Magagna S, Di Nisio A, Šabović I, Rocca MS, Scattolini V, Filippi A, Foresta C. Heat Sensing Receptor TRPV1 Is a Mediator of Thermotaxis in Human Spermatozoa. PLoS One 2016; 11:e0167622. [PMID: 27992447 PMCID: PMC5161326 DOI: 10.1371/journal.pone.0167622] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/17/2016] [Indexed: 01/13/2023] Open
Abstract
The molecular bases of sperm thermotaxis, the temperature-oriented cell motility, are currently under investigation. Thermal perception relies on a subclass of the transient receptor potential [TRP] channels, whose member TRPV1 is acknowledged as the heat sensing receptor. Here we investigated the involvement of TRPV1 in human sperm thermotaxis. We obtained semen samples from 16 normozoospermic subjects attending an infertility survey programme, testis biopsies from 6 patients with testicular germ cell cancer and testis fine needle aspirates from 6 patients with obstructive azoospermia undergoing assisted reproductive technologies. Expression of TRPV1 mRNA was assessed by RT-PCR. Protein expression of TRPV1 was determined by western blot, flow cytometry and immunofluorescence. Sperm motility was assessed by Sperm Class Analyser. Acrosome reaction, apoptosis and intracellular-Ca2+ content were assessed by flow cytometry. We found that TRPV1 mRNA and protein were highly expressed in the testis, in both Sertoli cells and germ-line cells. Moreover, compared to no-gradient controls at 31°C or 37°C (Ctrl 31°C and Ctrl 37°C respectively), sperm migration towards a temperature gradient of 31–37°C (T gradient) in non-capacitated conditions selected a higher number of cells (14,9 ± 4,2×106 cells T gradient vs 5,1± 0,3×106 cells Ctrl 31°C and 5,71±0,74×106 cells Ctrl 37°C; P = 0,039). Capacitation amplified the migrating capability towards the T gradient. Sperms migrated towards the T gradient showed enriched levels of both TRPV1 protein and mRNA. In addition, sperm cells were able to migrate toward a gradient of capsaicin, a specific agonist of TRPV1, whilst capsazepine, a specific agonist of TRPV1, blocked this effect. Finally, capsazepine severely blunted migration towards T gradient without abolishing. These results suggest that TRPV1 may represent a facilitating mediator of sperm thermotaxis.
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Affiliation(s)
- Luca De Toni
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
| | - Andrea Garolla
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
| | - Massimo Menegazzo
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
| | - Sabina Magagna
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
| | - Andrea Di Nisio
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
| | - Iva Šabović
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
- IRCCS-Istituto Oncologico Veneto [IOV], Via Gattamelata, Padova, Italy
| | - Maria Santa Rocca
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
| | - Valentina Scattolini
- Department of Medicine, University of Padova, Via Giustiniani, Padova, Italy
- Venetian Institute of Molecular Medicine, Via Orus 2, Padova, Italy
| | - Andrea Filippi
- Department of Physics and Astronomy “G. Galilei”, University of Padova, Via Marzolo 8, Padova, Italy
| | - Carlo Foresta
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy
- * E-mail:
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Barbonetti A, Bisogno T, Battista N, Piscitelli F, Micillo A, Francavilla S, Maccarrone M, Francavilla F. 2-arachidonoylglycerol levels are increased in leukocytospermia and correlate with seminal macrophages. Andrology 2016; 5:87-94. [DOI: 10.1111/andr.12283] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 08/01/2016] [Accepted: 08/05/2016] [Indexed: 12/11/2022]
Affiliation(s)
- A. Barbonetti
- San Raffaele Sulmona Institute; Sulmona Italy
- Andrology Unit; Department of Life, Health and Environment Sciences; University of L'Aquila; L'Aquila Italy
| | - T. Bisogno
- Endocannabinoid Research Group; Institute of Biomolecular Chemistry; National Research Council; Pozzuoli Italy
- Department of Medicine; Campus Bio-Medico University of Rome; Rome Italy
| | - N. Battista
- Faculty of Bioscience and Technology for Food, Agriculture and Environment; University of Teramo; Teramo Italy
| | - F. Piscitelli
- Endocannabinoid Research Group; Institute of Biomolecular Chemistry; National Research Council; Pozzuoli Italy
| | - A. Micillo
- Andrology Unit; Department of Life, Health and Environment Sciences; University of L'Aquila; L'Aquila Italy
| | - S. Francavilla
- Andrology Unit; Department of Life, Health and Environment Sciences; University of L'Aquila; L'Aquila Italy
| | - M. Maccarrone
- Department of Medicine; Campus Bio-Medico University of Rome; Rome Italy
| | - F. Francavilla
- Andrology Unit; Department of Life, Health and Environment Sciences; University of L'Aquila; L'Aquila Italy
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Ligresti A, De Petrocellis L, Di Marzo V. From Phytocannabinoids to Cannabinoid Receptors and Endocannabinoids: Pleiotropic Physiological and Pathological Roles Through Complex Pharmacology. Physiol Rev 2016; 96:1593-659. [DOI: 10.1152/physrev.00002.2016] [Citation(s) in RCA: 253] [Impact Index Per Article: 31.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Apart from having been used and misused for at least four millennia for, among others, recreational and medicinal purposes, the cannabis plant and its most peculiar chemical components, the plant cannabinoids (phytocannabinoids), have the merit to have led humanity to discover one of the most intriguing and pleiotropic endogenous signaling systems, the endocannabinoid system (ECS). This review article aims to describe and critically discuss, in the most comprehensive possible manner, the multifaceted aspects of 1) the pharmacology and potential impact on mammalian physiology of all major phytocannabinoids, and not only of the most famous one Δ9-tetrahydrocannabinol, and 2) the adaptive pro-homeostatic physiological, or maladaptive pathological, roles of the ECS in mammalian cells, tissues, and organs. In doing so, we have respected the chronological order of the milestones of the millennial route from medicinal/recreational cannabis to the ECS and beyond, as it is now clear that some of the early steps in this long path, which were originally neglected, are becoming important again. The emerging picture is rather complex, but still supports the belief that more important discoveries on human physiology, and new therapies, might come in the future from new knowledge in this field.
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Affiliation(s)
- Alessia Ligresti
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale delle Ricerche, Comprensorio Olivetti, Pozzuoli, Italy
| | - Luciano De Petrocellis
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale delle Ricerche, Comprensorio Olivetti, Pozzuoli, Italy
| | - Vincenzo Di Marzo
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry, Consiglio Nazionale delle Ricerche, Comprensorio Olivetti, Pozzuoli, Italy
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46
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Battista N, Sergi M. Determination of 2-Arachidonoylglycerol by μSPE-LC-MS/MS. Methods Mol Biol 2016; 1412:19-26. [PMID: 27245888 DOI: 10.1007/978-1-4939-3539-0_3] [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] [Indexed: 06/05/2023]
Abstract
LC-MS/MS is a powerful analytical technique that provides unequivocal identification and reliable quantification of the analytes, using Selected Reaction Monitoring or Multi Reaction Monitoring acquisition mode.2-Arachidonoylglycerol (2-AG) is the most abundant endocannabinoid, which plays a major role in a wide variety of physiological and pathological processes. Analysis of 2-AG by means of LC-MS/MS allows the detection of very low concentrations in biological samples. Here, we describe how to determine 2-AG levels in tiny samples of tissues and plasma through LC-MS/MS, by using very quick and easy to perform extraction procedures, with reduced solvent consumption.
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Affiliation(s)
- Natalia Battista
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via 1, Teramo, 64023, Italy
| | - Manuel Sergi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via 1, Teramo, 64023, Italy.
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Magdi Y, Darwish E, Elbashir S, Ahmed Elawady M. Evaluation of DNA fragmentation in teratozoospermic infertile men compared with normozoospermic fertile men and its correlation with sperm morphology. ACTA ACUST UNITED AC 2015. [DOI: 10.1097/01.xha.0000475198.30247.53] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Fetal endocannabinoids orchestrate the organization of pancreatic islet microarchitecture. Proc Natl Acad Sci U S A 2015; 112:E6185-94. [PMID: 26494286 DOI: 10.1073/pnas.1519040112] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Endocannabinoids are implicated in the control of glucose utilization and energy homeostasis by orchestrating pancreatic hormone release. Moreover, in some cell niches, endocannabinoids regulate cell proliferation, fate determination, and migration. Nevertheless, endocannabinoid contributions to the development of the endocrine pancreas remain unknown. Here, we show that α cells produce the endocannabinoid 2-arachidonoylglycerol (2-AG) in mouse fetuses and human pancreatic islets, which primes the recruitment of β cells by CB1 cannabinoid receptor (CB1R) engagement. Using subtractive pharmacology, we extend these findings to anandamide, a promiscuous endocannabinoid/endovanilloid ligand, which impacts both the determination of islet size by cell proliferation and α/β cell sorting by differential activation of transient receptor potential cation channel subfamily V member 1 (TRPV1) and CB1Rs. Accordingly, genetic disruption of TRPV1 channels increases islet size whereas CB1R knockout augments cellular heterogeneity and favors insulin over glucagon release. Dietary enrichment in ω-3 fatty acids during pregnancy and lactation in mice, which permanently reduces endocannabinoid levels in the offspring, phenocopies CB1R(-/-) islet microstructure and improves coordinated hormone secretion. Overall, our data mechanistically link endocannabinoids to cell proliferation and sorting during pancreatic islet formation, as well as to life-long programming of hormonal determinants of glucose homeostasis.
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Abstract
The lasting research on the endocannabinoid system (ECS) has now provided solid and convincing evidence that proves the detrimental effects of recreational drug abuse (a growing habit among teenagers) on fertility. Endocannabinoids (eCBs) affect reproductive events from gametogenesis to fertilization, from embryo implantation to the final outcome of pregnancy and, thus, they have been proposed as suitable biomarkers to predict the reproductive potential of male and female gametes in clinical practice. Novel tools for reproductive medicine are highly sought after, and here we report the latest findings on the impact of the ECS on fertility, demonstrating how basic research can be translated into new medical strategies.
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Affiliation(s)
- Natalia Battista
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Monica Bari
- European Center for Brain Research/IRCCS Santa Lucia Foundation, Rome, Italy
- Department of Experimental Medicine and Surgery, Tor Vergata University of Rome, Rome, Italy
| | - Mauro Maccarrone
- European Center for Brain Research/IRCCS Santa Lucia Foundation, Rome, Italy.
- School of Medicine and Center of Integrated Research, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 21, 00128, Rome, Italy.
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50
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Amoako AA, Marczylo TH, Elson J, Taylor AH, Willets JM, Konje JC. Relationship between seminal plasma levels of anandamide congeners palmitoylethanolamide and oleoylethanolamide and semen quality. Fertil Steril 2014; 102:1260-7. [PMID: 25212838 DOI: 10.1016/j.fertnstert.2014.07.767] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 07/09/2014] [Accepted: 07/09/2014] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To determine whether changes in seminal plasma concentrations of the endogenous lipid signaling molecules palmitoylethanolamide (PEA) and oleoylethanolamide (OEA) have significant effects on sperm quality. DESIGN Biochemical and physiological studies of human seminal plasma and spermatozoa. SETTING Academic tertiary care medical center. PATIENT(S) Ninety men attending an infertility clinic for semen analysis. INTERVENTION(S) Palmitoylethanolamide and OEA extracted from seminal plasma were quantified by ultra high-performance liquid chromatography (HPLC)-tandem mass spectrometry. Patient sperm from semen with normal parameters were exposed in vitro to PEA or OEA to determine effects on sperm motility, viability, and mitochondrial activity. MAIN OUTCOME MEASURE(S) The relationship between seminal plasma concentrations of PEA and OEA and sperm quality and the effect of these compounds on sperm motility, viability, and mitochondria activity in vitro. RESULT(S) Palmitoylethanolamide and OEA concentrations in seminal plasma were lower in men with asthenozoospermia and oligoasthenoteratozospermia compared with men with normal semen parameters. Palmitoylethanolamide and OEA rapidly and significantly improved sperm motility and maintained viability without affecting mitochondria activity in vitro. CONCLUSION(S) Maintenance of normal PEA and OEA tone in human seminal plasma may be necessary for the preservation of normal sperm function and male fertility. Exocannabinoids found in Cannabis, such as delta-9-tetrahydrocannabinol and cannabidiol, could compete with these endocannabinoids upsetting their finely balanced, normal functioning and resulting in male reproductive failure.
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Affiliation(s)
- Akwasi Atakora Amoako
- Endocannabinoid Research Group, Reproductive Science Section, Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester, United Kingdom.
| | - Timothy Hywel Marczylo
- Centre for Radiation, Chemical and Environmental Hazards, Health Protection Agency, Didcot, Oxfordshire, United Kingdom
| | | | - Anthony Henry Taylor
- Endocannabinoid Research Group, Reproductive Science Section, Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester, United Kingdom
| | - Jonathon M Willets
- Endocannabinoid Research Group, Reproductive Science Section, Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester, United Kingdom
| | - Justin Chi Konje
- Endocannabinoid Research Group, Reproductive Science Section, Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester, United Kingdom
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