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Metzler G, King RC, Fernández-Metzler C, Das A, Davis TG, Bajrami B, Bretschneider T, Kvaskoff D. Rapid Lipid Mediator Profiling by Convergence Chromatography-MS/MS. Methods Mol Biol 2025; 2855:341-354. [PMID: 39354317 DOI: 10.1007/978-1-0716-4116-3_20] [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: 10/03/2024]
Abstract
Bioactive lipid mediators derived from arachidonic acid constitute an attractive pool of metabolites that reflect cellular function and signaling, as well as potential biomarkers that may respond quantitatively to disease progression or pharmacological treatment. Their quantitative measurement in biological samples is complicated by the number of isomers that share common structural features, which are not easily distinguished by immunoassays or reverse phase chromatography-tandem mass spectrometry. Here, we present a method that enables the rapid analysis of a panel of over 25 biologically important eicosanoids in a 96-well format for cell culture supernatants, plasma, and organ tissues using convergence chromatography-tandem mass spectrometry to resolve these analytes of interest.
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Affiliation(s)
- Guille Metzler
- PharmaCadence Analytical Services, LLC, Hatfield, PA, USA
| | - Richard C King
- PharmaCadence Analytical Services, LLC, Hatfield, PA, USA
| | | | - Amitava Das
- Immunology and Respiratory Disease, Boehringer-Ingelheim Pharmaceuticals Inc., Ridgefield, CT, USA
| | - T Gregg Davis
- Immunology and Respiratory Disease, Boehringer-Ingelheim Pharmaceuticals Inc., Ridgefield, CT, USA
| | - Besnik Bajrami
- Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Tom Bretschneider
- Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - David Kvaskoff
- Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany.
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Welch BM, McNell EE, Edin ML, Ferguson KK. Inflammation and oxidative stress as mediators of the impacts of environmental exposures on human pregnancy: Evidence from oxylipins. Pharmacol Ther 2022; 239:108181. [PMID: 35367517 PMCID: PMC9525454 DOI: 10.1016/j.pharmthera.2022.108181] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 02/08/2023]
Abstract
Inflammation and oxidative stress play major roles in healthy and pathological pregnancy. Environmental exposure to chemical pollutants may adversely affect maternal and fetal health in pregnancy by dysregulating these critical underlying processes of inflammation and oxidative stress. Oxylipins are bioactive lipids that play a major role in regulating inflammation and increasing lines of evidence point towards an importance in pregnancy. The biosynthetic production of oxylipins requires oxygenation of polyunsaturated fatty acids, which can occur through several well-characterized enzymatic and nonenzymatic pathways. This review describes the state of the science of epidemiologic evidence on oxylipin production in pregnancy and its association with 1) key pregnancy outcomes and 2) environmental exposures. We searched PubMed for studies of pregnancy that measured one or more oxylipin analytes during pregnancy or delivery. We evaluated oxylipin associations with three categories of adverse pregnancy outcomes, including preeclampsia, preterm birth, and fetal growth restriction, along with several categories of environmental pollutants. The majority of studies evaluated one to two oxylipins, most of which focused on oxylipins produced from nonenzymatic processes of oxidative stress. However, an increasing number of recent studies have leveraged technological advancements to profile a large number of oxylipins produced from distinct biosynthetic pathways. Although the literature indicated robust evidence that oxylipins produced via nonenzymatic pathways are associated with pregnancy outcomes and environmental exposures, evidence for enzymatically produced oxylipins showed that associations may differ between biosynthetic pathways. Along with summarizing this evidence, we review promising therapeutic options to regulate oxylipin production and provide a set of recommendations for future epidemiologic studies in these research areas. Further evidence is needed to improve our understanding of how oxylipins may act as key biological mediators for the adverse effects of environmental pollutants on pregnancy outcomes.
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Affiliation(s)
- Barrett M Welch
- Epidemiology Branch, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA.
| | - Erin E McNell
- Epidemiology Branch, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Matthew L Edin
- Immunity, Inflammation, and Disease Laboratory, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Kelly K Ferguson
- Epidemiology Branch, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
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Kozakiewicz ML, Grotegut CA, Howlett AC. Endocannabinoid System in Pregnancy Maintenance and Labor: A Mini-Review. Front Endocrinol (Lausanne) 2021; 12:699951. [PMID: 34220722 PMCID: PMC8242576 DOI: 10.3389/fendo.2021.699951] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 05/31/2021] [Indexed: 01/21/2023] Open
Abstract
The endocannabinoid system (ECS) is a cell-signaling system present in multiple organ systems and is an integral part of sustaining the microenvironment necessary for early pregnancy success and maintenance. It plays a significant role in embryo development, transport and implantation as well as placentation. The current theory behind the initiation of term labor is that it is a complex, multifactorial process involving sex steroid hormones, prostaglandin production and interplay at the maternal-fetal interface resulting in increased expression of receptors and gap junctions that promote uterine activation. There is increasing evidence that, in addition to early pregnancy events, the ECS plays a regulatory role in pregnancy maintenance and the timing of labor. This review presents an overview of the ECS in pregnancy that focuses on late gestation and parturition.
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Affiliation(s)
- Melissa L Kozakiewicz
- Department of Obstetrics and Gynecology, Section on Maternal-Fetal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Chad A Grotegut
- Department of Obstetrics and Gynecology, Section on Maternal-Fetal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Allyn C Howlett
- Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC, United States
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Accialini P, Abán C, Etcheverry T, Negri Malbrán M, Leguizamón G, Herlax V, Maté S, Farina M. Anandamide Exerts a Differential Effect on Human Placenta Before and After the Onset of Labor. Front Physiol 2021; 12:667367. [PMID: 34093231 PMCID: PMC8176211 DOI: 10.3389/fphys.2021.667367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 04/23/2021] [Indexed: 02/02/2023] Open
Abstract
The onset of labor involves the action of multiple factors and recent reports have postulated the endocannabinoid system as a new regulator of this process. Our objective was to study the role of anandamide, one of the main endocannabinoids, on the regulation of placental molecules that contribute to the onset of labor at term. Placental samples were obtained from patients with laboring vaginal deliveries and from non-laboring elective cesarean sections. Vaginal delivery placentas produced higher prostaglandins levels than cesarean section samples. Besides, no differences were observed in NOS basal activity between groups. Incubation of vaginal delivery placentas with anandamide increased prostaglandins concentration and decreased NOS activity. Antagonism of type-1cannabinoid receptor (CB1) did not alter the effect observed on NOS activity. Conversely, incubation of cesarean section placentas with anandamide reduced prostaglandins levels and enhanced NOS activity, the latter involving the participation of CB1. Furthermore, we observed a differential expression of the main components of the endocannabinoid system between placental samples, being the change in CB1 localization the most relevant finding. Our results suggest that anandamide acts as a modulator of the signals that regulate labor, exerting differential actions depending on CB1 localization in laboring or non-laboring term placentas.
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Affiliation(s)
- Paula Accialini
- Laboratorio de Fisiopatología Placentaria, Facultad de Ciencias Médicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO - CONICET - UBA), Universidad de Buenos Aires, Ciudad de Buenos Aires, Argentina
| | - Cyntia Abán
- Laboratorio de Fisiopatología Placentaria, Facultad de Ciencias Médicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO - CONICET - UBA), Universidad de Buenos Aires, Ciudad de Buenos Aires, Argentina
| | - Tomás Etcheverry
- Laboratorio de Fisiopatología Placentaria, Facultad de Ciencias Médicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO - CONICET - UBA), Universidad de Buenos Aires, Ciudad de Buenos Aires, Argentina
| | - Mercedes Negri Malbrán
- Centro de Educación Médica e Investigaciones Clínicas Norberto Quirno (CEMIC), Ciudad de Buenos Aires, Argentina
| | - Gustavo Leguizamón
- Centro de Educación Médica e Investigaciones Clínicas Norberto Quirno (CEMIC), Ciudad de Buenos Aires, Argentina
| | - Vanesa Herlax
- Laboratorio de Estudios de la Interacción Toxinas Proteicas - Membranas, Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP - CONICET), Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina
| | - Sabina Maté
- Laboratorio de Estudios de la Interacción Toxinas Proteicas - Membranas, Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP - CONICET), Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina
| | - Mariana Farina
- Laboratorio de Fisiopatología Placentaria, Facultad de Ciencias Médicas, Centro de Estudios Farmacológicos y Botánicos (CEFyBO - CONICET - UBA), Universidad de Buenos Aires, Ciudad de Buenos Aires, Argentina
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Huang J, Xie Y, Peng Q, Wang W, Pei C, Zhao Y, Liu R, Huang L, Li T, Nie J, Liu L, Zhang X, Luo X, Luo J, Zhang W. Single-cell transcriptomics analysis showing functional heterogeneity in decidual stromal cells during labor. J Investig Med 2020; 69:jim-2020-001616. [PMID: 33372108 PMCID: PMC8020081 DOI: 10.1136/jim-2020-001616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2020] [Indexed: 11/10/2022]
Abstract
To investigate the heterogeneity of decidual stromal cells (DSCs) and their functional alterations during delivery, we conducted single-cell RNA sequencing analysis to characterize the transcriptomic profiles of DSCs before and after labor onset. According to their transcriptomic profiles, DSCs (6382 cells) were clustered into five subgroups with different functions. Similar to stromal cells, cells in cluster 1 were involved in cell substrate adhesion. On the other hand, cells in clusters 2 and 3 were enriched in signal transduction-related genes. Labor onset led to significant alterations in many pathways, including the activator protein 1 pathway (all clusters), as well as in the response to lipopolysaccharide (clusters 1-3). The downregulated genes were involved in coagulation, ATP synthesis, and oxygen homeostasis, possibly reflecting the oxygen and energy balance during delivery. Our findings highlight that peripartum DSCs are heterogeneous and play multiple roles in labor.
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Affiliation(s)
- Jingrui Huang
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Yingming Xie
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Qiaozhen Peng
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Weinan Wang
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Chenlin Pei
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Yanhua Zhao
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Rong Liu
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Lihui Huang
- Department of Obstetrics and Gynecology, Changsha Hospital for Maternal and Child Health Care, Changsha, Hunan, China
| | - Tieping Li
- Department of Obstetrics and Gynecology, Changsha Hospital for Maternal and Child Health Care, Changsha, Hunan, China
| | - Jia Nie
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Lijuan Liu
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Xiaowen Zhang
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Xianggui Luo
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Jiefeng Luo
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Weishe Zhang
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Early Life Development and Disease Prevention, Changsha, Hunan, China
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Mosaad E, Peiris HN, Holland O, Morean Garcia I, Mitchell MD. The Role(s) of Eicosanoids and Exosomes in Human Parturition. Front Physiol 2020; 11:594313. [PMID: 33424622 PMCID: PMC7786405 DOI: 10.3389/fphys.2020.594313] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 11/03/2020] [Indexed: 12/11/2022] Open
Abstract
The roles that eicosanoids play during pregnancy and parturition are crucial to a successful outcome. A better understanding of the regulation of eicosanoid production and the roles played by the various end products during pregnancy and parturition has led to our view that accurate measurements of a panel of those end products has exciting potential as diagnostics and prognostics of preterm labor and delivery. Exosomes and their contents represent an exciting new area for research of movement of key biological factors circulating between tissues and organs akin to a parallel endocrine system but involving key intracellular mediators. Eicosanoids and enzymes regulating their biosynthesis and metabolism as well as regulatory microRNAs have been identified within exosomes. In this review, the regulation of eicosanoid production, abundance and actions during pregnancy will be explored. Additionally, the functional significance of placental exosomes will be discussed.
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Affiliation(s)
- Eman Mosaad
- School of Biomedical Science, Institute of Health and Biomedical Innovation – Centre for Children’s Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Hassendrini N. Peiris
- School of Biomedical Science, Institute of Health and Biomedical Innovation – Centre for Children’s Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Olivia Holland
- School of Biomedical Science, Institute of Health and Biomedical Innovation – Centre for Children’s Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- School of Medical Science, Griffith University, Southport, QLD, Australia
| | - Isabella Morean Garcia
- School of Biomedical Science, Institute of Health and Biomedical Innovation – Centre for Children’s Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Murray D. Mitchell
- School of Biomedical Science, Institute of Health and Biomedical Innovation – Centre for Children’s Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
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Peiris HN, Romero R, Vaswani K, Gomez-Lopez N, Tarca AL, Gudicha DW, Erez O, Maymon E, Reed S, Mitchell MD. Prostaglandin and prostamide concentrations in amniotic fluid of women with spontaneous labor at term with and without clinical chorioamnionitis. Prostaglandins Leukot Essent Fatty Acids 2020; 163:102195. [PMID: 33137520 PMCID: PMC8314956 DOI: 10.1016/j.plefa.2020.102195] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 10/08/2020] [Accepted: 10/16/2020] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Prostaglandins (PGs) are considered universal mediators for the process of physiological parturition. This is based on observations that amniotic fluid concentrations of PGs are elevated prior to and during the onset of labor (mostly utilizing immunoassays). Distinguishing PGs from similarly structured molecules (i.e. prostamides; PG-EA) is difficult given the cross-reactivity of available antibodies and the chemical similarity between these compounds. Herein, this limitation was overcome by utilizing mass spectrometry to determine PG and PG-EA concentrations in amniotic fluid of women with spontaneous labor at term and in those with clinical chorioamnionitis (CHAM), the most common infection-related diagnosis made in labor and delivery units worldwide. STUDY DESIGN Liquid chromatography-tandem mass spectrometry (LC MS/MS) was used to determine the PG and PG-EA content in amniotic fluid samples of women with spontaneous labor at term with (n = 14) or without (n = 28) CHAM. Controls included women who delivered at term without labor (n = 10). RESULTS PGE2, PGF2α, and 13,14-dihydro-15-keto-PGF2α (PGFM) were higher in amniotic fluid of women with spontaneous labor at term than in those without labor. PGE2, PGF2α, and PGFM were also higher in amniotic fluid of women with CHAM than in those without labor. However, PGE2-EA and PGF2α-EA were lower in amniotic fluid of women with CHAM than in those without CHAM. The ratios of PGE2 to PGE2-EA and PGF2α to PGF2α-EA were higher in amniotic fluid of women with spontaneous labor at term with or without CHAM than in those without labor; yet, the ratio of PGF2α to PGF2α-EA was greater in women with CHAM than in those without this clinical condition. CONCLUSIONS Spontaneous labor at term with or without CHAM is characterized by elevated amniotic fluid concentrations of prostaglandins (PGE2, PGF2α, and PGFM) but not prostamides. Quantification of these products by LC MS/MSlc==may potentially be of utility in identifying their physiological functions relevant to parturition. SUMMARY Prostaglandins (PGs) are critical for the onset and progression of labor. Structural similarities of PGs and prostamides (PG-EA) prevents their specific identification by immunoassay. We utilized LC MS/MS to determine PG and PG-EA content in amniotic fluid (AF) of women with spontaneous labor at term with or without CHAM and women who delivered at term without labor. Higher aamniotic ffluid PG levels were observed in women with spontaneous labor with and without CHAM compared to women delivering without labor. PG-EA levels in amniotic fluid of women with spontaneous labor and CHAM were lower than in women with spontaneous labor without CHAM but not those without labor. Ratios of PGs to PG-EAs were higher in AF of women with labor and CHAM compared to those without labor. Delineation of these products by LC MS/MS may potentially be of utility in identifying their physiological functions relevant to parturition.
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Affiliation(s)
- Hassendrini N Peiris
- Institute of Health and Biomedical Innovation, Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, 4029, Australia
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, and Detroit, MI, United States; Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, United States; Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, United States; Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, United States; Detroit Medical Center, Detroit, MI, United States; Department of Obstetrics and Gynecology, Florida International University, Miami, FL, United States.
| | - Kanchan Vaswani
- Institute of Health and Biomedical Innovation, Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, 4029, Australia
| | - Nardhy Gomez-Lopez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, and Detroit, MI, United States; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States; Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Adi L Tarca
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, and Detroit, MI, United States; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States; Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, United States
| | - Dereje W Gudicha
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, and Detroit, MI, United States; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Offer Erez
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States; Division of Obstetrics and Gynecology, Soroka University Medical Center, School of Medicine, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer-Sheva, Israel
| | - Eli Maymon
- Division of Obstetrics and Gynecology, Soroka University Medical Center, School of Medicine, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer-Sheva, Israel
| | - Sarah Reed
- UQ Centre for Clinical Research, University of Queensland, QLD, Australia
| | - Murray D Mitchell
- Institute of Health and Biomedical Innovation, Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, Brisbane, QLD, 4029, Australia.
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Maia J, Fonseca BM, Teixeira N, Correia-da-Silva G. The fundamental role of the endocannabinoid system in endometrium and placenta: implications in pathophysiological aspects of uterine and pregnancy disorders. Hum Reprod Update 2020; 26:586-602. [PMID: 32347309 PMCID: PMC7317288 DOI: 10.1093/humupd/dmaa005] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/03/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The endocannabinoid system (ECS) consists of the cannabinoid receptors CB1 and CB2, the main endocannabinoids anandamide (AEA) and 2-arachidonoylglycerol (2-AG) and their metabolic enzymes N-acylphosphatidylethanolamine-specific phospholipase D, fatty acid amide hydrolase, diacylglycerol lipase and monoacylglycerol lipase. This system is involved in the modulation of essential physiological processes. Its role in the reproductive system has become significantly important in recent years, given its major role in events such as gametogenesis, decidualisation, implantation and placentation. OBJECTIVE AND RATIONALE In this paper, we review the literature and summarize the role of the ECS elements in reproduction and their potential as early markers for diagnosis of reproductive disorders or as pharmacological targets for treatment. SEARCH METHODS Original research and review papers published from 1964 to June 2019 were selected in terms of relevance, reliability and quality by searching PubMed, MEDLINE and Web of Science, using the following search terms: endocannabinoid system and endometriosis; endocannabinoid system and ectopic pregnancy; endocannabinoid system and miscarriage; endocannabinoid system and pre-eclampsia; endocannabinoid system and endometrial cancer; endocannabinoid system and reproduction; endocannabinoid, endometrium; placenta; N-acylethanolamines; anandamide; 2-arachidonoylglycerol; and cannabinoids. OUTCOMES This review demonstrates relevant information concerning ECS alterations in endometriosis, ectopic pregnancy, miscarriage, pre-eclampsia and endometrial cancer. We highlight the importance of the endocannabinoids in endometrial and placental physiology and pathophysiology, from studies in vitro and in vivo and in clinical observations. The most studied of the endogenous cannabinoids is AEA. The levels of AEA were increased in plasma of patients with endometriosis and miscarriage, as well as in the fallopian tube of women with ectopic pregnancy and in endometrial biopsies of endometrial cancer. Changes in the pattern of expression of the cannabinoid receptor CB1 were also observed in endometrial biopsies of endometriosis, fallopian tube and decidua of patients with ectopic pregnancy and pre-eclamptic placenta. Moreover, alterations in CB2 expression have been reported in association with endometrial cancer. In general, studies on the cannabinoid signalling through CB2 and on the biological activities of the other major endocannabinoid, namely 2-AG, as well as its metabolic enzymes are scarce and avidly required. WIDER IMPLICATIONS The pathophysiological mechanisms involved in the described endometrial and placental pathologies are still unclear and lack the means for an early diagnosis. Based on current evidence, though alterations in ECS are demonstrated at tissue level, it is difficult to associate plasmatic changes in AEA with specific endometrial and placental diseases. Thus, pairing alterations in AEA levels with 2-AG and/or other endocannabinoid-like molecules may provide more accurate and early diagnoses. In addition, patients may benefit from new therapies that target the ECS and endocannabinoid signalling.
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Affiliation(s)
- J Maia
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - BM Fonseca
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - N Teixeira
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - G Correia-da-Silva
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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Peiris HN, Vaswani K, Holland O, Koh YQ, Almughlliq FB, Reed S, Mitchell MD. Altered productions of prostaglandins and prostamides by human amnion in response to infectious and inflammatory stimuli identified by mutliplex mass spectrometry. Prostaglandins Leukot Essent Fatty Acids 2020; 154:102059. [PMID: 32014738 DOI: 10.1016/j.plefa.2020.102059] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 11/28/2019] [Accepted: 01/21/2020] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Prostaglandins are critical for the onset and progression of labor in mammals, and are formed by the metabolism of arachidonic acid. The products of arachidonic acid, 2-arachidonoylglycerol (2-AG), and anandamide (AEA) have a similar lipid back bone but differing polar head groups, meaning that identification of these products by immunoassay can be difficult. MATERIALS AND METHODS In the current study, we present the use of mass spectrometry as multiplex method of identifying the specific end products of arachidonic and anandamide metabolism by human derived amnion explants treated with either an infectious agent (LPS) or inflammatory mediator (IL-1β or TNF-α). RESULTS Human amnion tissue explants treated with LPS, IL-1β, or TNF-α increased production of prostaglandin E2 (PGE2; p < 0.05) but decreased PGFM. Overall, PGE2 production was greater compared to the other prostaglandins and prostamides irrespective of treatment. CONCLUSIONS The findings of the current study are in keeping with the literature which describes amnion tissues as predominantly producing PGE2. The use of mass spectrometry for the differential identification of prostaglandins, prostamides, and other eicosanoids may help better elucidate mechanisms of preterm labor, and lead to new targets for the prediction of risk for preterm labor and/or birth.
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Affiliation(s)
- Hassendrini N Peiris
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia.
| | - Kanchan Vaswani
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia
| | - Olivia Holland
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia
| | - Yong Qin Koh
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia
| | - Fatema B Almughlliq
- University of Queensland Centre for Clinical Research, Building 71/918, Royal Brisbane and Women's Hospital, Herston, QLD 4029, Australia
| | - Sarah Reed
- University of Queensland Centre for Clinical Research, Building 71/918, Royal Brisbane and Women's Hospital, Herston, QLD 4029, Australia
| | - Murray D Mitchell
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia.
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10
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Peiris HN, Romero R, Vaswani K, Reed S, Gomez-Lopez N, Tarca AL, Gudicha DW, Erez O, Maymon E, Mitchell MD. Preterm labor is characterized by a high abundance of amniotic fluid prostaglandins in patients with intra-amniotic infection or sterile intra-amniotic inflammation. J Matern Fetal Neonatal Med 2019; 34:4009-4024. [PMID: 31885290 DOI: 10.1080/14767058.2019.1702953] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Objective: To distinguish between prostaglandin and prostamide concentrations in the amniotic fluid of women who had an episode of preterm labor with intact membranes through the utilisation of liquid chromatography-tandem mass spectrometry.Study design: Liquid chromatography-tandem mass spectrometry analysis of amniotic fluid of women with preterm labor and (1) subsequent delivery at term (2) preterm delivery without intra-amniotic inflammation; (3) preterm delivery with sterile intra-amniotic inflammation (interleukin (IL)-6>2.6 ng/mL without detectable microorganisms); and (4) preterm delivery with intra-amniotic infection [IL-6>2.6 ng/mL with detectable microorganisms].Results: (1) amniotic fluid concentrations of PGE2, PGF2α, and PGFM were higher in patients with intra-amniotic infection than in those without intra-amniotic inflammation; (2) PGE2 and PGF2α concentrations were also greater in patients with intra-amniotic infection than in those with sterile intra-amniotic inflammation; (3) patients with sterile intra-amniotic inflammation had higher amniotic fluid concentrations of PGE2 and PGFM than those without intra-amniotic inflammation who delivered at term; (4) PGFM concentrations were also greater in women with sterile intra-amniotic inflammation than in those without intra-amniotic inflammation who delivered preterm; (5) amniotic fluid concentrations of prostamides (PGE2-EA and PGF2α-EA) were not different among patients with preterm labor; (6) amniotic fluid concentrations of prostaglandins, but no prostamides, were higher in cases with intra-amniotic inflammation; and (7) the PGE2:PGE2-EA and PGF2α:PGF2α-EA ratios were higher in patients with intra-amniotic infection compared to those without inflammation.Conclusions: Mass spectrometric analysis of amniotic fluid indicated that amniotic fluid concentrations of prostaglandins, but no prostamides, were higher in women with preterm labor and intra-amniotic infection than in other patients with an episode of preterm labor. Yet, women with intra-amniotic infection had greater amniotic fluid concentrations of PGE2 and PGF2α than those with sterile intra-amniotic inflammation, suggesting that these two clinical conditions may be differentiated by using mass spectrometric analysis of amniotic fluid.
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Affiliation(s)
- Hassendrini N Peiris
- Faculty of Health, Centre for Children's Health Research, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA.,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA.,Department of Epidemiology & Biostatistics, Michigan State University, East Lansing, MI, USA.,Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA.,Detroit Medical Center, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Florida International University, Miami, FL, USA
| | - Kanchan Vaswani
- Faculty of Health, Centre for Children's Health Research, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
| | - Sarah Reed
- UQ Centre for Clinical Research, University of Queensland, Australia
| | - Nardhy Gomez-Lopez
- Perinatology Research Branch, Division of Obstetrics and Maternal Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Adi L Tarca
- Perinatology Research Branch, Division of Obstetrics and Maternal Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, USA
| | - Dereje W Gudicha
- Perinatology Research Branch, Division of Obstetrics and Maternal Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Offer Erez
- Perinatology Research Branch, Division of Obstetrics and Maternal Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.,Division of Obstetrics and Gynecology, Faculty of Health Sciences, Soroka University Medical Center, School of Medicine, Ben Gurion University of the Negev, Be'er Sheva, Israel
| | - Eli Maymon
- Perinatology Research Branch, Division of Obstetrics and Maternal Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.,Division of Obstetrics and Gynecology, Faculty of Health Sciences, Soroka University Medical Center, School of Medicine, Ben Gurion University of the Negev, Be'er Sheva, Israel
| | - Murray D Mitchell
- Faculty of Health, Centre for Children's Health Research, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
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11
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Kwan Cheung KA, Peiris H, Wallace G, Holland OJ, Mitchell MD. The Interplay between the Endocannabinoid System, Epilepsy and Cannabinoids. Int J Mol Sci 2019; 20:E6079. [PMID: 31810321 PMCID: PMC6929011 DOI: 10.3390/ijms20236079] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/29/2019] [Accepted: 11/29/2019] [Indexed: 12/25/2022] Open
Abstract
Epilepsy is a neurological disorder that affects approximately 50 million people worldwide. There is currently no definitive epilepsy cure. However, in recent years, medicinal cannabis has been successfully trialed as an effective treatment for managing epileptic symptoms, but whose mechanisms of action are largely unknown. Lately, there has been a focus on neuroinflammation as an important factor in the pathology of many epileptic disorders. In this literature review, we consider the links that have been identified between epilepsy, neuroinflammation, the endocannabinoid system (ECS), and how cannabinoids may be potent alternatives to more conventional pharmacological therapies. We review the research that demonstrates how the ECS can contribute to neuroinflammation, and could therefore be modulated by cannabinoids to potentially reduce the incidence and severity of seizures. In particular, the cannabinoid cannabidiol has been reported to have anti-convulsant and anti-inflammatory properties, and it shows promise for epilepsy treatment. There are a multitude of signaling pathways that involve endocannabinoids, eicosanoids, and associated receptors by which cannabinoids could potentially exert their therapeutic effects. Further research is needed to better characterize these pathways, and consequently improve the application and regulation of medicinal cannabis.
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Affiliation(s)
- Keith A. Kwan Cheung
- Institute of Health and Biomedical Innovation (IHBI), Faculty of Health, Queensland University of Technology (QUT), Centre for Children’s Health Research (CCHR), 62 Graham Street, South Brisbane, Queensland 4101, Australia; (K.A.K.C.); (H.P.); (O.J.H.)
| | - Hassendrini Peiris
- Institute of Health and Biomedical Innovation (IHBI), Faculty of Health, Queensland University of Technology (QUT), Centre for Children’s Health Research (CCHR), 62 Graham Street, South Brisbane, Queensland 4101, Australia; (K.A.K.C.); (H.P.); (O.J.H.)
| | - Geoffrey Wallace
- Children’s Health Queensland (CHQ) and University of Queensland (UQ), Centre for Children’s Health Research, 62 Graham Street, South Brisbane, Queensland 4101, Australia;
| | - Olivia J. Holland
- Institute of Health and Biomedical Innovation (IHBI), Faculty of Health, Queensland University of Technology (QUT), Centre for Children’s Health Research (CCHR), 62 Graham Street, South Brisbane, Queensland 4101, Australia; (K.A.K.C.); (H.P.); (O.J.H.)
- School of Medical Science, Griffith University, 1 Parklands Dr, Southport, Queensland 4215, Australia
| | - Murray D. Mitchell
- Institute of Health and Biomedical Innovation (IHBI), Faculty of Health, Queensland University of Technology (QUT), Centre for Children’s Health Research (CCHR), 62 Graham Street, South Brisbane, Queensland 4101, Australia; (K.A.K.C.); (H.P.); (O.J.H.)
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12
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Almughlliq FB, Koh YQ, Peiris HN, Vaswani K, Holland O, Meier S, Roche JR, Burke CR, Crookenden MA, Arachchige BJ, Reed S, Mitchell MD. Circulating exosomes may identify biomarkers for cows at risk for metabolic dysfunction. Sci Rep 2019; 9:13879. [PMID: 31554846 PMCID: PMC6761115 DOI: 10.1038/s41598-019-50244-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 09/09/2019] [Indexed: 12/12/2022] Open
Abstract
Disease susceptibility of dairy cows is greatest during the transition from pregnancy to lactation. Circulating exosomes may provide biomarkers to detect at-risk cows to enhance health and productivity. From 490 cows, animals at high- (n = 20) or low-risk (n = 20) of transition-related diseases were identified using plasma non-esterified fatty acid and β-hydroxybutyrate concentrations and liver triacylglyceride concentrations during the two weeks post-calving. We isolated circulating exosomes from plasma of dairy cows at low-risk (LR-EXO) and high-risk (HR-EXO), and analyzed their proteome profiles to determine markers for metabolic dysfunction. We evaluated the effects of these exosomes on eicosanoid pathway expression by bovine endometrial stromal (bCSC) and epithelial (bEEL) cells. HR-EXO had significantly lower yield of circulating exosomes compared with LR-EXO, and unique proteins were identified in HR-EXO and LR-EXO. Exposure to LR-EXO or HR-EXO differentially regulated eicosanoid gene expression and production in bCSC and bEEL cells. In bCSC, LR-EXO exposure increased PGE2 and PGD2 production, whereas HR-EXO exposure increased PTGS2 gene expression. In bEEL, HR-EXO exposure caused a decrease in PGE2, PGF2α, PGD2, PGFM and TXB2 production. The unique presence of serpin A3-7, coiled-coil domain containing 88A and inhibin/activin β A chain in HR-EXO, indicates potential biomarkers for cows at-risk for metabolic diseases. Our results are in line with the health status of the cow indicating a potential diagnostic role for exosomes in enhancing cows’ health and fertility.
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Affiliation(s)
- Fatema B Almughlliq
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, 4029, Australia
| | - Yong Q Koh
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, 4029, Australia
| | - Hassendrini N Peiris
- Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, 4101, Australia
| | - Kanchan Vaswani
- Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, 4101, Australia
| | - Olivia Holland
- Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, 4101, Australia
| | - Susanne Meier
- DairyNZ Ltd., Private Bag 3221, Hamilton, 3240, New Zealand
| | - John R Roche
- DairyNZ Ltd., Private Bag 3221, Hamilton, 3240, New Zealand.,Ministry for Primary Industries- Manatū Ahu Matua, Pastoral House, Wellington, 6140, New Zealand
| | - Chris R Burke
- DairyNZ Ltd., Private Bag 3221, Hamilton, 3240, New Zealand
| | | | - Buddhika J Arachchige
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, 4029, Australia
| | - Sarah Reed
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, 4029, Australia
| | - Murray D Mitchell
- Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, 4101, Australia.
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13
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Burstein SH. Eicosanoid mediation of cannabinoid actions. Bioorg Med Chem 2019; 27:2718-2728. [DOI: 10.1016/j.bmc.2019.05.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 05/08/2019] [Accepted: 05/11/2019] [Indexed: 12/26/2022]
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14
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Eicosanoid pathway expression in bovine endometrial epithelial and stromal cells in response to lipopolysaccharide, interleukin 1 beta, and tumor necrosis factor alpha. Reprod Biol 2018; 18:390-396. [PMID: 30344089 DOI: 10.1016/j.repbio.2018.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 10/04/2018] [Accepted: 10/05/2018] [Indexed: 02/07/2023]
Abstract
During endometrial inflammation, bovine endometrium responds by increasing the production of pro-inflammatory mediators, such as interleukin 1 beta (IL-1β), tumor necrosis factor alpha (TNFα), and eicosanoids. The purpose of this study was to establish and characterize an in vitro model of endometrial inflammation using bovine endometrial epithelial (bEEL) and stromal (bCSC) cell lines. We evaluated the effects of the infectious agent (bacterial lipopolysaccharide; LPS) and pro-inflammatory mediators (IL-1β and TNFα) on eicosanoid biosynthesis pathway gene expression and production by bEEL and bCSC cells. Based on concentration-response experiments, the optimal concentrations for responses were 1 μg/mL LPS, 10 ng/mL IL-1β and 50 ng/mL TNFα. Real-time PCR results show that there was an upregulation of relative mRNA expression of PTGS2 when bEEL and bCSC were treated with LPS, IL-1β and TNFα. An increase in PTGES3 expression was observed when bEEL cells were treated with LPS and IL-1β and PTGES2 when treated with IL-1β. In bCSC cells, FAAH relative mRNA was decreased upon treatments. Rate of production of PGE2, PGF2α, PGE2-EA and PGF2α-EA were also determined using liquid chromatography tandem mass spectrometry. Our results show that eicosanoid production was increased in both cell lines in response to LPS, IL-1β, and TNFα. We suggest that the characteristics of bEEL and bCSC cell lines mimic the physiological responses found in mammals with endometrial infection, making them excellent in vitro models for intrauterine environment studies.
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15
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Bariani MV, Correa F, Leishman E, Domínguez Rubio AP, Arias A, Stern A, Bradshaw HB, Franchi AM. Resveratrol protects from lipopolysaccharide-induced inflammation in the uterus and prevents experimental preterm birth. Mol Hum Reprod 2018; 23:571-581. [PMID: 28810692 DOI: 10.1093/molehr/gax036] [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: 04/26/2017] [Accepted: 06/27/2017] [Indexed: 12/31/2022] Open
Abstract
STUDY QUESTION Is resveratrol able to prevent the lipopolysaccharide (LPS)-induced preterm labor in 15-day pregnant BALB/c mice? SUMMARY ANSWER Resveratrol prevented the LPS-induced onset of preterm labor in 64% of the cases and showed anti-inflammatory and tocolytic effects by downregulating COX-2 and iNOS expression and NOS activity, and by changing the uterine prostaglandin and endocannabinoid profiling. WHAT IS KNOWN ALREADY Genital tract infections by Gram-negative bacteria are a common complication in human pregnancy and have been shown to increase risk of preterm delivery. Bacterial LPS elicits a strong maternal inflammatory response that results in preterm delivery and fetal death in a murine model endotoxin-induced preterm labor. STUDY DESIGN, SIZE, DURATION An in vivo animal study was conducted. On Day 15 of pregnancy, mice received at 8:00 h a dose of vehicle (40% ethanol in saline solution) or resveratrol (3 mg/kg in vehicle) via oral gavage followed by two doses of LPS or vehicle administered intraperitoneally (i.p.), the first one at 10:00 h (0.17 mg/kg in 0.1 ml of sterile saline solution) and the second at 13:00 h (0.5 mg/kg in 0.1 ml of sterile saline solution). The mice were closely observed for any signs of morbidity (piloerection, decreased movement, and diarrhea), vaginal bleeding or preterm delivery. The beginning of preterm delivery was defined by early delivery of the first pup. Normal term labor occurs on Day 19 of gestation. PARTICIPANTS/MATERIALS, SETTING, METHODS Time of labor, pregnancy outcome and morphological features were evaluated after LPS and/or resveratrol administration. Uterine stripes were collected 5 h after the last LPS injection and prostaglandin and endocannabinoid profiling was analyzed by mass spectrometry. Nitric oxide synthase (NOS) activity was measured by radioconversion assay. Cyclooxygenase-2 (Cox-2) and 15-hydroxyprostaglandin dehydrogenase (15-Pgdh) mRNA levels were analyzed by RT-PCR whilst the protein expression of inducible nitric oxide synthase (iNOS), COX-1 and COX-2 were studied by western blot. MAIN RESULTS AND THE ROLE OF CHANCE In vivo treatment of 15-day pregnant BALB/c mice with resveratrol prevented the LPS-induced preterm birth in 64% of the cases, whereas only 15% of mice with LPS alone escaped preterm birth. Treatment with resveratrol resulted in a reduced NOS activity (P < 0.05) in the uterus of LPS-treated mice. Similarly, resveratrol reduced the expression of LPS-induced pro-inflammatory agents such as iNOS (P < 0.05), COX-2 (P < 0.05), prostaglandin E2 (PGE2) (P < 0.05) and anandamide (AEA) (P < 0.05). Moreover, resveratrol administration resulted in changes in the uterine endocannabinoid profiling altered by LPS. LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION Since our experimental design involves the use of mice, the extrapolation of the results presented here to humans is limited. WIDER IMPLICATIONS OF THE FINDINGS Our findings provide evidence for the tocolytic effects of resveratrol. STUDY FUNDING AND COMPETING INTEREST(S) Dr Ana María Franchi was funded by Agencia Nacional para la Promoción Científica y Tecnológica (PICT 2013/0097) and by Consejo Nacional de Investigaciones Científicas y Técnicas (PIP 2012/0061). Dr Heather B. Bradshaw was funded by NIH (DA006668). The authors have no competing interests.
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Affiliation(s)
- María Victoria Bariani
- Consejo Nacional de Investigaciones Científicas y Técnicas, Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Fernando Correa
- Consejo Nacional de Investigaciones Científicas y Técnicas, Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Emma Leishman
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana,USA
| | - Ana Paula Domínguez Rubio
- Consejo Nacional de Investigaciones Científicas y Técnicas, Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Andreína Arias
- Consejo Nacional de Investigaciones Científicas y Técnicas, Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Aníbal Stern
- Consejo Nacional de Investigaciones Científicas y Técnicas, Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Heather B Bradshaw
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana,USA
| | - Ana María Franchi
- Consejo Nacional de Investigaciones Científicas y Técnicas, Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos (CEFyBO), Facultad de Medicina, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
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16
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Vaswani K, Dekker Nitert M, Chan HW, B. Almughlliq F, Peiris HN, Wood-Bradley RJ, Armitage JA, Rice GE, Mitchell MD. Mid-to-Late Gestational Changes in Inflammatory Gene Expression in the Rat Placenta. Reprod Sci 2017; 25:222-229. [DOI: 10.1177/1933719117741375] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Kanchan Vaswani
- UQ Centre for Clinical Research, The University of Queensland, Herston, Queensland, Australia
| | - Marloes Dekker Nitert
- UQ Centre for Clinical Research, The University of Queensland, Herston, Queensland, Australia
| | - Hsiu-Wen Chan
- UQ Centre for Clinical Research, The University of Queensland, Herston, Queensland, Australia
| | - Fatema B. Almughlliq
- UQ Centre for Clinical Research, The University of Queensland, Herston, Queensland, Australia
| | - Hassendrini N. Peiris
- UQ Centre for Clinical Research, The University of Queensland, Herston, Queensland, Australia
| | - Ryan J. Wood-Bradley
- Faculty of Health, School of Medicine, Deakin University, Waurn Ponds, Victoria, Australia
| | - James A. Armitage
- Faculty of Health, School of Medicine, Deakin University, Waurn Ponds, Victoria, Australia
- Department of Anatomy & Developmental Biology, Monash University, Clayton, Victoria, Australia
| | - Gregory E. Rice
- UQ Centre for Clinical Research, The University of Queensland, Herston, Queensland, Australia
| | - Murray D. Mitchell
- UQ Centre for Clinical Research, The University of Queensland, Herston, Queensland, Australia
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17
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Anca F. MOLECULAR PATHWAYS IN THE ENDOCRINOLOGY OF PARTURITION. ACTA ENDOCRINOLOGICA (BUCHAREST, ROMANIA : 2005) 2017; 13:254-256. [PMID: 31149184 PMCID: PMC6516458 DOI: 10.4183/aeb.2017.254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The entire complex process of labor is the central concern of obstetrics and premature labor poses a threat to the mother and fetus and represents a core medical and social issue. In this respect, understanding the mechanism of uterine contractions at a molecular level helps shed some light on possible future prevention and treatment. New research has emphasized the role of endocannabinoids by two metabolic pathways with final products that act as antagonists: prostaglandins and prostamides (prostaglandin-ethanolamides), but with competition on substrates and enzymes. Thus, the dominant pathway will be selected on account of cellular and tissue environment.
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Affiliation(s)
- F.A. Anca
- “Carol Davila” University of Medicine and Pharmacy, Obstetrics and Gynecology Dept., University Emergency Hospital, Bucharest, Romania
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18
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Peiris HN, Vaswani K, Almughlliq F, Koh YQ, Mitchell MD. Review: Eicosanoids in preterm labor and delivery: Potential roles of exosomes in eicosanoid functions. Placenta 2016; 54:95-103. [PMID: 27988062 DOI: 10.1016/j.placenta.2016.12.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Revised: 12/08/2016] [Accepted: 12/08/2016] [Indexed: 12/11/2022]
Abstract
Preterm delivery is a major obstetric health problem contributing to poor neonatal outcome including low birth weight, respiratory distress syndrome, gastrointestinal, immunologic, central nervous system, hearing, and vision problems. Worldwide, approximately 15 million babies are born prematurely each year. The critical question which remains is how to identify women destined to deliver preterm from those who will achieve a term delivery. Prostaglandins, in all mammals, are important in the parturient process. Increased intrauterine prostaglandin production is associated with labor and in fact prostaglandin E2 (PGE2) or analogs are widely used clinically for cervical ripening and labor induction. Measurements of circulating eicosanoids have been problematic because of the rapid and major clearance by the lungs and then kidneys resulting in very low concentrations in plasma. Moreover, since eicosanoids are produced by all mammalian tissues, the sources of the measured eicosanoids are unknown. Our understanding of how cells communicate has undergone a paradigm shift with the recognition of the role of exosomes in intercellular signaling. Recent publications have identified enzymes and products of arachidonic acid metabolism (eicosanoids) within exosomes. This review will explore the potential roles of exosomes in eicosanoid functions that are critical in preterm labor and delivery.
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Affiliation(s)
- H N Peiris
- University of Queensland Centre for Clinical Research, The University of Queensland, Brisbane, Queensland, Australia
| | - K Vaswani
- University of Queensland Centre for Clinical Research, The University of Queensland, Brisbane, Queensland, Australia
| | - F Almughlliq
- University of Queensland Centre for Clinical Research, The University of Queensland, Brisbane, Queensland, Australia
| | - Y Q Koh
- University of Queensland Centre for Clinical Research, The University of Queensland, Brisbane, Queensland, Australia
| | - M D Mitchell
- University of Queensland Centre for Clinical Research, The University of Queensland, Brisbane, Queensland, Australia.
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