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da Silva PB, Romão-Veiga M, Ribeiro-Vasques VR, Peraçoli JC, Peraçoli MTS, Amaral LM. Progesterone modulates TNF receptors expression by Jurkat cells cultured with plasma from pregnant women with preeclampsia. Int Immunopharmacol 2024; 130:111701. [PMID: 38382266 DOI: 10.1016/j.intimp.2024.111701] [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: 08/24/2023] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 02/23/2024]
Abstract
Pregnant women with preeclampsia (PE) present a shift in the immune response to an inflammatory profile. This deviation could be due to the interaction of tumor necrosis factor (TNF) with TNFR1 and TNFR2 receptors, besides the failure in modulation of inflammation regulatory mechanisms. This study evaluated the effects of progesterone on the expression of TNFR1 and TNFR2 by Jurkat cells after stimulation with plasma from PE and normotensive (NT) pregnant women. Jurkat cells were cultured with or without progesterone in a medium containing 20% (v/v) plasma from PE or NT women. The expression of TNF receptors was evaluated by flow cytometry. The concentration of soluble forms of TNF receptors and cytokines was determined in culture supernatant and plasma by ELISA. The plasma of PE women showed significantly higher concentrations of sTNFR1 and TNF and lower concentrations of sTNFR2 compared to the NT group. TNFR1 receptor expression was increased in Jurkat cells, while TNFR2 was decreased after culture with PE plasma when compared with Jurkat cells cultured with progesterone and plasma from NT women. The concentration of sTNFR1, TNF, and IL-10 in the culture supernatant of Jurkat cells was increased after culture with PE plasma, while the sTNFR2 receptor was decreased when compared to the NT group. Results demonstrate that in preeclamptic women a systemic inflammation occurs with an increase of inflammatory molecules, and progesterone may have a modulating effect on the expression of TNF receptors, shifting Jurkat cells towards an anti-inflammatory profile with greater expression of TNFR2.
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Affiliation(s)
- Patrícia B da Silva
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University-UNESP, Botucatu, São Paulo, Brazil
| | - Mariana Romão-Veiga
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University-UNESP, Botucatu, São Paulo, Brazil
| | - Vanessa R Ribeiro-Vasques
- Department of Chemistry and Biological Sciences, Institute of Biosciences, São Paulo State University-UNESP, Botucatu, São Paulo, Brazil
| | - José C Peraçoli
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University-UNESP, Botucatu, São Paulo, Brazil
| | - Maria T S Peraçoli
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University-UNESP, Botucatu, São Paulo, Brazil; Department of Chemistry and Biological Sciences, Institute of Biosciences, São Paulo State University-UNESP, Botucatu, São Paulo, Brazil
| | - Lorena M Amaral
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center-UMMC, Jackson, MS, USA.
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Chen Y, Chen H, Zheng Q. Siglecs family used by pathogens for immune escape may engaged in immune tolerance in pregnancy. J Reprod Immunol 2023; 159:104127. [PMID: 37572430 DOI: 10.1016/j.jri.2023.104127] [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: 05/08/2023] [Revised: 07/18/2023] [Accepted: 08/02/2023] [Indexed: 08/14/2023]
Abstract
The Siglecs family is a group of type I sialic acid-binding immunoglobulin-like receptors that regulate cellular signaling by recognizing sialic acid epitopes. Siglecs are predominantly expressed on the surface of leukocytes, where they play a crucial role in regulating immune activity. Pathogens can exploit inhibitory Siglecs by utilizing their sialic acid components to promote invasion or suppress immune functions, facilitating immune evasion. The establishing of an immune-balanced maternal-fetal interface microenvironment is essential for a successful pregnancy. Dysfunctional immune cells may lead to adverse pregnancy outcomes. Siglecs are important for inducing a phenotypic switch in leukocytes at the maternal-fetal interface toward a less toxic and more tolerant phenotype. Recent discoveries regarding Siglecs in the reproductive system have drawn further attention to their potential roles in reproduction. In this review, we primarily discuss the latest advances in understanding the impact of Siglecs as immune regulators on infections and pregnancy.
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Affiliation(s)
- Ying Chen
- Prenatal Diagnosis Center, The Eighth Affiliated Hospital, Sun Yat-sen University, 3025# Shennan Road, Shenzhen 518033, PR China
| | - Huan Chen
- Prenatal Diagnosis Center, The Eighth Affiliated Hospital, Sun Yat-sen University, 3025# Shennan Road, Shenzhen 518033, PR China
| | - Qingliang Zheng
- Prenatal Diagnosis Center, The Eighth Affiliated Hospital, Sun Yat-sen University, 3025# Shennan Road, Shenzhen 518033, PR China.
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3
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Innate and Adaptive Immune Systems in Physiological and Pathological Pregnancy. BIOLOGY 2023; 12:biology12030402. [PMID: 36979094 PMCID: PMC10045867 DOI: 10.3390/biology12030402] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/27/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023]
Abstract
The dynamic immunological changes occurring throughout pregnancy are well-orchestrated and important for the success of the pregnancy. One of the key immune adaptations is the maternal immune tolerance towards the semi-allogeneic fetus. In this review, we provide a comprehensive overview of what is known about the innate and adaptive immunological changes in pregnancy and the role(s) of specific immune cells during physiological and pathological pregnancy. Alongside this, we provided details of remaining questions and challenges, as well as future perspectives for this growing field of research. Understanding the immunological changes that occur can inform potential strategies on treatments for the optimal health of the neonate and pregnant individual both during and after pregnancy.
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4
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The imbalance of circulating monocyte subgroups with a higher proportion of the CD14+CD16+CD163+ phenotype in patients with preeclampsia. Immunol Lett 2023; 253:1-7. [PMID: 36460232 DOI: 10.1016/j.imlet.2022.11.005] [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: 09/08/2022] [Revised: 11/20/2022] [Accepted: 11/27/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Preeclampsia is a major cause of increased maternal and fetal morbidity and mortality, which is closely related to the abnormal maternal immune response. The skew of decidual macrophage polarization toward M1 phenotype has been proved to promote the pathogenesis of preeclampsia. However, it's not easy to monitor the change of decidual macrophage subtypes. The current study aims to examine the distribution of different circulating monocyte subtypes and analyze whether certain monocyte subtypes act as potential clinical indicators for preeclampsia. METHODS A total of 50 pregnant women [mild preeclampsia (n = 20); severe preeclampsia (n = 15); healthy pregnancy (n = 15)] and 15 healthy donors were included in the study. Medical information such as BMI, blood pressure, ALT, creatinine, thrombocyte, etc., were recorded. The frequency of different monocyte subtypes in venous blood were measured by flow cytometry. Serum level of IL-6 was detected using Roche-Hitachi cobas 8000. Serum concentration of inflammatory cytokines (IL-1β, IL-4, IL-10 and TNF-α) were measured by ELISA. RESULTS A circulating monocyte subset with both M1 and M2 markers (CD14+CD16+CD163+) was found to occupy an obvious higher proportion in the preeclampsia group than in the normal pregnancy group. The ratio of CD206+/CD206- M2-like monocytes was also increased in the preeclampsia group, and meanwhile, it had statistic difference between the mild- and the severe-preeclampsia group. Furthermore, the serum levels of IL-1β and TNF-α were positively correlated with the frequency of CD14+CD16+CD163+ intermediate monocytes in the preeclampsia group. CONCLUSIONS The increased proportion of CD14+C16+CD163+ circulating monocytes and the high ratio of CD206+/CD206- M2-like monocytes may act as potential clinical indicators for preeclampsia, with the superiority of convenience and dynamic monitoring.
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Liu S, Szatmary P, Lin JW, Wang Q, Sutton R, Chen L, Liu T, Huang W, Xia Q. Circulating monocytes in acute pancreatitis. Front Immunol 2022; 13:1062849. [PMID: 36578487 PMCID: PMC9791207 DOI: 10.3389/fimmu.2022.1062849] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Acute pancreatitis is a common gastrointestinal disease characterized by inflammation of the exocrine pancreas and manifesting itself through acute onset of abdominal pain. It is frequently associated with organ failure, pancreatic necrosis, and death. Mounting evidence describes monocytes - phagocytic, antigen presenting, and regulatory cells of the innate immune system - as key contributors and regulators of the inflammatory response and subsequent organ failure in acute pancreatitis. This review highlights the recent advances of dynamic change of numbers, phenotypes, and functions of circulating monocytes as well as their underling regulatory mechanisms with a special focus on the role of lipid modulation during acute pancreatitis.
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Affiliation(s)
- Shiyu Liu
- West China Centre of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, China
| | - Peter Szatmary
- Liverpool Pancreatitis Research Group, Liverpool University Hospitals NHS Foundation Trust and Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Jing-wen Lin
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Qiqi Wang
- West China Centre of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, China
| | - Robert Sutton
- Liverpool Pancreatitis Research Group, Liverpool University Hospitals NHS Foundation Trust and Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Lu Chen
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Tingting Liu
- West China Centre of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, China,*Correspondence: Tingting Liu, ; Wei Huang, ; Qing Xia,
| | - Wei Huang
- West China Centre of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, China,Institutes for Systems Genetics & Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China,*Correspondence: Tingting Liu, ; Wei Huang, ; Qing Xia,
| | - Qing Xia
- West China Centre of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, China,*Correspondence: Tingting Liu, ; Wei Huang, ; Qing Xia,
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6
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Lodge-Tulloch NA, Toews AJ, Atallah A, Cotechini T, Girard S, Graham CH. Cross-Generational Impact of Innate Immune Memory Following Pregnancy Complications. Cells 2022; 11:cells11233935. [PMID: 36497193 PMCID: PMC9741472 DOI: 10.3390/cells11233935] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Pregnancy complications can have long-term negative effects on the health of the affected mothers and their children. In this review, we highlight the underlying inflammatory etiologies of common pregnancy complications and discuss how aberrant inflammation may lead to the acquisition of innate immune memory. The latter can be described as a functional epigenetic reprogramming of innate immune cells following an initial exposure to an inflammatory stimulus, ultimately resulting in an altered response following re-exposure to a similar inflammatory stimulus. We propose that aberrant maternal inflammation associated with complications of pregnancy increases the cross-generational risk of developing noncommunicable diseases (i.e., pregnancy complications, cardiovascular disease, and metabolic disease) through a process mediated by innate immune memory. Elucidating a role for innate immune memory in the cross-generational health consequences of pregnancy complications may lead to the development of novel strategies aimed at reducing the long-term risk of disease.
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Affiliation(s)
| | - Alexa J. Toews
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Aline Atallah
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Tiziana Cotechini
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Sylvie Girard
- Department of Obstetrics and Gynecology, Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA
| | - Charles H. Graham
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada
- Correspondence:
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7
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Abstract
Pregnancy complications affect millions of women each year. Some of these diseases have high morbidity and mortality such as preeclampsia. At present, there is no safe and effective treatment for pregnancy complications, so it is still a difficult clinical problem. As many pregnancy complications are closely related to placental dysplasia, placenta-specific therapy, as an important method, is expected to be a safe, effective, and specific therapeutic strategy. This review explains in detail the placenta physiological structure, characteristics, and action mechanism of some biomolecules and signaling pathways that play roles in normal development and disorders of the development of the placenta, and how to use these biomolecules as therapeutic targets when the placenta disorder causes disease, combining the latest progress in the field of nanodelivery systems, so as to lay a foundation for the development of placenta-specific therapy of pregnancy complications.
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Affiliation(s)
- Yang Liu
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Kexue Avenue, Zhengzhou, 450001, China
| | - Xingli Gao
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Kexue Avenue, Zhengzhou, 450001, China
| | - Songwei Gao
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Kexue Avenue, Zhengzhou, 450001, China.,Department of Pharmacy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yu Song
- School of Pharmacy, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yongran Guo
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Kexue Avenue, Zhengzhou, 450001, China
| | - Jing Cao
- Department of Pathology, The Third Affiliated Hospital of Zhenzhou University, Zhengzhou, 450001, China
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Liu X, Fei H, Yang C, Wang J, Zhu X, Yang A, Shi Z, Jin X, Yang F, Wu D, Jiang L, Zhang S. Trophoblast-Derived Extracellular Vesicles Promote Preeclampsia by Regulating Macrophage Polarization. Hypertension 2022; 79:2274-2287. [PMID: 35993233 DOI: 10.1161/hypertensionaha.122.19244] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Systemic inflammation caused by dysfunctional macrophages is a crucial pathogenetic event in preeclampsia (PE). Trophoblast-derived extracellular vesicles (T-EVs) are potent immune cell signaling modulators in pregnancy. Herein, we aimed to investigate T-EVs' effect and mechanism on macrophage polarization and its role in PE pathogenesis, which remain unclear. METHODS Flow cytometry and immunochemistry were used to determine placental macrophage phenotypes. T-EVs were immuno-isolated via placental alkaline phosphatase antibody and identified by transmission electron microscopy and nanoparticle tracking analysis. Quantitative real-time polymerase chain reaction and flow cytometry were used to examine the effects of T-EVs on macrophage polarization, and correlation analysis of T-EVs lipidomics and macrophages transcriptome were performed to explore how T-EVs modulate macrophages. Animal experiments were established to investigate the relationship among PE, T-EVs, and macrophages. RESULTS Macrophages shift from the M2 to M1 phenotype in the preeclamptic placenta. Also, T-EVs from women with PE (PE-EVs) significantly upregulated M1 gene markers and significantly downregulated CD163 expression in macrophages compared with T-EVs in women with normal pregnancies (NP-EVs). Mechanistically, correlation analysis with T-EVs lipidome and the transcriptome of macrophages treated with PE-EVs or NP-EVs indicated that 37 lipids altered in PE-EVs considerably affected classical inflammatory biological pathways in macrophages. Finally, animal experiments revealed that PE-EVs triggered PE-like symptoms in pregnant mice, which were alleviated after macrophage depletion. CONCLUSIONS T-EVs from women with PE could promote preeclampsia by inducing macrophage imbalance polarization, signifying a potential novel interventional target for the prevention and management of PE.
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Affiliation(s)
- Xiu Liu
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Haiyi Fei
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Cuiyu Yang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Jianmin Wang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Xiaohong Zhu
- Department of Obstetrics and Gynecology, Affiliated Xiao Shan Hospital, Hangzhou Normal University, China (X.Z.)
| | - Anran Yang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Zhan Shi
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Xiaoying Jin
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Fei Yang
- Chronic Disease Research Institute, The Children's Hospital, and National Clinical Research Center for Child Health, School of Public Health, School of Medicine, Zhejiang University, China (F.Y.)
| | - Dan Wu
- Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China (D.W.)
| | - Lingling Jiang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
| | - Songying Zhang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.).,Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, China (X.L., H.F., C.Y., J.W., A.Y., Z.S., X.J., L.J., S.Z.)
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Agostinis C, Toffoli M, Spazzapan M, Balduit A, Zito G, Mangogna A, Zupin L, Salviato T, Maiocchi S, Romano F, Crovella S, Fontana F, Braga L, Confalonieri M, Ricci G, Kishore U, Bulla R. SARS-CoV-2 modulates virus receptor expression in placenta and can induce trophoblast fusion, inflammation and endothelial permeability. Front Immunol 2022; 13:957224. [PMID: 36177036 PMCID: PMC9513489 DOI: 10.3389/fimmu.2022.957224] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/16/2022] [Indexed: 11/13/2022] Open
Abstract
SARS-CoV-2 is a devastating virus that induces a range of immunopathological mechanisms including cytokine storm, apoptosis, inflammation and complement and coagulation pathway hyperactivation. However, how the infection impacts pregnant mothers is still being worked out due to evidence of vertical transmission of the SARS-CoV-2, and higher incidence of pre-eclampsia, preterm birth, caesarian section, and fetal mortality. In this study, we assessed the levels of the three main receptors of SARS-CoV-2 (ACE2, TMPRSS2 and CD147) in placentae derived from SARS-CoV-2 positive and negative mothers. Moreover, we measured the effects of Spike protein on placental cell lines, in addition to their susceptibility to infection. SARS-CoV-2 negative placentae showed elevated levels of CD147 and considerably low amount of TMPRSS2, making them non-permissive to infection. SARS-CoV-2 presence upregulated TMPRSS2 expression in syncytiotrophoblast and cytotrophoblast cells, thereby rendering them amenable to infection. The non-permissiveness of placental cells can be due to their less fusogenicity due to infection. We also found that Spike protein was capable of inducing pro-inflammatory cytokine production, syncytiotrophoblast apoptosis and increased vascular permeability. These events can elicit pre-eclampsia-like syndrome that marks a high percentage of pregnancies when mothers are infected with SARS-CoV-2. Our study raises important points relevant to SARS-CoV-2 mediated adverse pregnancy outcomes.
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Affiliation(s)
- Chiara Agostinis
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | - Miriam Toffoli
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | | | - Andrea Balduit
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
- *Correspondence: Andrea Balduit,
| | - Gabriella Zito
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | - Alessandro Mangogna
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | - Luisa Zupin
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | - Tiziana Salviato
- Department of Diagnostic, Clinic and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Serena Maiocchi
- Department of Life Sciences, University of Trieste, Trieste, Italy
- Functional Cell Biology Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
| | - Federico Romano
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | - Sergio Crovella
- Biological Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar
| | - Francesco Fontana
- Division of Laboratory Medicine, Azienda Sanitaria Universitaria Giuliano Isontina (ASU GI), Trieste, Italy
| | - Luca Braga
- Functional Cell Biology Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
| | - Marco Confalonieri
- Department of Medical, Surgical and Health Science, University of Trieste, Trieste, Italy
| | - Giuseppe Ricci
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
- Department of Medical, Surgical and Health Science, University of Trieste, Trieste, Italy
| | - Uday Kishore
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University of London, London, United Kingdom
- Department of Veterinary Medicine, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Roberta Bulla
- Department of Life Sciences, University of Trieste, Trieste, Italy
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10
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Kojima J, Ono M, Kuji N, Nishi H. Human Chorionic Villous Differentiation and Placental Development. Int J Mol Sci 2022; 23:ijms23148003. [PMID: 35887349 PMCID: PMC9325306 DOI: 10.3390/ijms23148003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/19/2022] [Accepted: 07/19/2022] [Indexed: 02/04/2023] Open
Abstract
In humans, the placenta provides the only fetomaternal connection and is essential for establishing a pregnancy as well as fetal well-being. Additionally, it allows maternal physiological adaptation and embryonic immunological acceptance, support, and nutrition. The placenta is derived from extra-embryonic tissues that develop rapidly and dynamically in the first weeks of pregnancy. It is primarily composed of trophoblasts that differentiate into villi, stromal cells, macrophages, and fetal endothelial cells (FEC). Placental differentiation may be closely related to perinatal diseases, including fetal growth retardation (FGR) and hypertensive disorders of pregnancy (HDP), and miscarriage. There are limited findings regarding human chorionic villous differentiation and placental development because conducting in vivo studies is extremely difficult. Placental tissue varies widely among species. Thus, experimental animal findings are difficult to apply to humans. Early villous differentiation is difficult to study due to the small tissue size; however, a detailed analysis can potentially elucidate perinatal disease causes or help develop novel therapies. Artificial induction of early villous differentiation using human embryonic stem (ES) cells/induced pluripotent stem (iPS) cells was attempted, producing normally differentiated villi that can be used for interventional/invasive research. Here, we summarized and correlated early villous differentiation findings and discussed clinical diseases.
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11
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Sharma AM, Birkett R, Lin ET, Ernst LM, Grobman WA, Swaminathan S, Abdala-Valencia H, Misharin AV, Bartom ET, Mestan KK. Placental dysfunction influences fetal monocyte subpopulation gene expression in preterm birth. JCI Insight 2022; 7:155482. [PMID: 35471950 PMCID: PMC9220934 DOI: 10.1172/jci.insight.155482] [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: 10/05/2021] [Accepted: 04/22/2022] [Indexed: 02/03/2023] Open
Abstract
The placenta is the primary organ for immune regulation, nutrient delivery, gas exchange, protection against environmental toxins, and physiologic perturbations during pregnancy. Placental inflammation and vascular dysfunction during pregnancy are associated with a growing list of prematurity-related complications. The goal of this study was to identify differences in gene expression profiles in fetal monocytes - cells that persist and differentiate postnatally - according to distinct placental histologic domains. Here, by using bulk RNA-Seq, we report that placental lesions are associated with gene expression changes in fetal monocyte subsets. Specifically, we found that fetal monocytes exposed to acute placental inflammation upregulate biological processes related to monocyte activation, monocyte chemotaxis, and platelet function, while monocytes exposed to maternal vascular malperfusion lesions downregulate these processes. Additionally, we show that intermediate monocytes might be a source of mitogens, such as HBEGF, NRG1, and VEGFA, implicated in different outcomes related to prematurity. This is the first study to our knowledge to show that placental lesions are associated with unique changes in fetal monocytes and monocyte subsets. As fetal monocytes persist and differentiate into various phagocytic cells following birth, our study may provide insight into morbidity related to prematurity and ultimately potential therapeutic targets.
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Affiliation(s)
- Abhineet M. Sharma
- Department of Pediatrics/Division of Neonatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Robert Birkett
- Department of Pediatrics/Division of Neonatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Erika T. Lin
- Department of Pediatrics/Division of Neonatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.,Department of Pediatrics, UCSD, La Jolla, California, USA
| | - Linda M. Ernst
- Department of Pathology & Laboratory Medicine, NorthShore University HealthSystem, Chicago, Illinois, USA
| | - William A. Grobman
- Department of Obstetrics & Gynecology, Division of Maternal-Fetal Medicine
| | | | | | | | - Elizabeth T. Bartom
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Karen K. Mestan
- Department of Pediatrics/Division of Neonatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.,Department of Pediatrics, UCSD, La Jolla, California, USA
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12
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Bu C, Wang Z, Ren Y, Chen D, Jiang SW. Syncytin-1 nonfusogenic activities modulate inflammation and contribute to preeclampsia pathogenesis. Cell Mol Life Sci 2022; 79:290. [PMID: 35536515 PMCID: PMC11073204 DOI: 10.1007/s00018-022-04294-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/23/2022] [Accepted: 04/06/2022] [Indexed: 11/03/2022]
Abstract
Maternal cellular and humoral immune responses to the allogeneic fetoplacental unit are a normal part of pregnancy adaptation. Overactive or dysregulated immune responses that often manifest as inflammation are considered a key element for the development of preeclampsia. Infiltration and activation of macrophages, nature killer cells, and T lymphocytes are frequently observed in the decidua and placenta associated with preeclampsia. In addition to local inflammation, systemic inflammatory changes including increased levels of TNF-α and interleukins (ILs) are detected in the maternal circulation. Syncytin-1 is an endogenous retroviral envelope protein that mediates the fusion of trophoblasts to form syncytiotrophoblasts, a cellular component carrying out most of placental barrier, exchange, and endocrine functions. In addition to these well-defined fusogenic functions that are known for their close association with preeclampsia, multiple studies indicated that syncytin-1 possesses nonfusogenic activities such as those for cell cycle and apoptosis regulation. Moreover, syncytin-1 expressed by trophoblasts and various types of immune cells may participate in regulation of inflammation in preeclamptic placenta and decidua. This review concentrates on the triangular relationship among inflammation, syncytin-1 nonfusogenic functions, and preeclampsia pathogenesis. Data regarding the reciprocal modulations of inflammation and poor vascularization/hypoxia are summarized. The impacts of syncytin-A (the mouse counterpart of human syncytin-1) gene knockout on placental vascularization and their implications for preeclampsia are discussed. Syncytin-1 expression in immune cells and its significance for inflammation are analyzed in the context of preeclampsia development. Finally, the involvements of syncytin-1 nonfusogenic activities in neuroinflammation and multiple sclerosis are compared to findings from preeclampsia.
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Affiliation(s)
- Chaozhi Bu
- Center of Reproductive Medicine, State Key Laboratory of Reproductive Medicine, Research Institute for Reproductive Health and Genetic Diseases, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, 214002, China
| | - Zhiwei Wang
- Center of Reproductive Medicine, State Key Laboratory of Reproductive Medicine, Research Institute for Reproductive Health and Genetic Diseases, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, 214002, China
- Center of Prenatal Diagnosis, Lianyungang Maternal and Child Health Hospital, Lianyungang, 222000, Jiangsu, China
| | - Yongwei Ren
- Center of Reproductive Medicine, State Key Laboratory of Reproductive Medicine, Research Institute for Reproductive Health and Genetic Diseases, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, 214002, China
| | - Daozhen Chen
- Research Institute for Reproductive Health and Genetic Diseases, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, 214002, China.
| | - Shi-Wen Jiang
- Center of Reproductive Medicine, State Key Laboratory of Reproductive Medicine, Research Institute for Reproductive Health and Genetic Diseases, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, 214002, China.
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13
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Monaco-Brown M, Lawrence DA. Obesity and Maternal-Placental-Fetal Immunology and Health. Front Pediatr 2022; 10:859885. [PMID: 35573953 PMCID: PMC9100592 DOI: 10.3389/fped.2022.859885] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/30/2022] [Indexed: 12/12/2022] Open
Abstract
Obesity rates in women of childbearing age is now at 29%, according to recent CDC reports. It is known that obesity is associated with oxidative stress and inflammation, including disruptions in cellular function and cytokine levels. In pregnant women who are obese, associated placental dysfunction can lead to small for gestational age (SGA) infants. More frequently, however, maternal obesity is associated with large for gestational age (LGA) newborns, who also have higher incidence of metabolic disease and asthma due to elevated levels of inflammation. In addition, anthropogenic environmental exposures to "endocrine disrupting" and "forever" chemicals affect obesity, as well as maternal physiology, the placenta, and fetal development. Placental function is intimately associated with the control of inflammation during pregnancy. There is a large amount of literature examining the relationship of placental immunology, both cellular and humoral, with pregnancy and neonatal outcomes. Cells such as placental macrophages and NK cells have been implicated in spontaneous miscarriage, preeclampsia, preterm birth, perinatal neuroinflammation, and other post-natal conditions. Differing levels of placental cytokines and molecular inflammatory mediators also have known associations with preeclampsia and developmental outcomes. In this review, we will specifically examine the literature regarding maternal, placental, and fetal immunology and how it is altered by maternal obesity and environmental chemicals. We will additionally describe the relationship between placental immune function and clinical outcomes, including neonatal conditions, autoimmune disease, allergies, immunodeficiency, metabolic and endocrine conditions, neurodevelopment, and psychiatric disorders.
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Affiliation(s)
- Meredith Monaco-Brown
- Department of Pediatrics, Bernard and Millie Duker Children's Hospital at Albany Medical Center, Albany, NY, United States
| | - David A Lawrence
- New York State Department of Health, Wadsworth Center, Albany, NY, United States.,Department of Environmental Health Sciences, University at Albany School of Public Health, Rensselaer, NY, United States
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14
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Agostinis C, Mangogna A, Balduit A, Aghamajidi A, Ricci G, Kishore U, Bulla R. COVID-19, Pre-Eclampsia, and Complement System. Front Immunol 2021; 12:775168. [PMID: 34868042 PMCID: PMC8635918 DOI: 10.3389/fimmu.2021.775168] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 10/25/2021] [Indexed: 12/15/2022] Open
Abstract
COVID-19 is characterized by virus-induced injury leading to multi-organ failure, together with inflammatory reaction, endothelial cell (EC) injury, and prothrombotic coagulopathy with thrombotic events. Complement system (C) via its cross-talk with the contact and coagulation systems contributes significantly to the severity and pathological consequences due to SARS-CoV-2 infection. These immunopathological mechanisms overlap in COVID-19 and pre-eclampsia (PE). Thus, mothers contracting SARS-CoV-2 infection during pregnancy are more vulnerable to developing PE. SARS-CoV-2 infection of ECs, via its receptor ACE2 and co-receptor TMPRSS2, can provoke endothelial dysfunction and disruption of vascular integrity, causing hyperinflammation and hypercoagulability. This is aggravated by bradykinin increase due to inhibition of ACE2 activity by the virus. C is important for the progression of normal pregnancy, and its dysregulation can impact in the form of PE-like syndrome as a consequence of SARS-CoV-2 infection. Thus, there is also an overlap between treatment regimens of COVID-19 and PE. C inhibitors, especially those targeting C3 or MASP-2, are exciting options for treating COVID-19 and consequent PE. In this review, we examine the role of C, contact and coagulation systems as well as endothelial hyperactivation with respect to SARS-CoV-2 infection during pregnancy and likely development of PE.
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Affiliation(s)
- Chiara Agostinis
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | - Alessandro Mangogna
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy
| | - Andrea Balduit
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Azin Aghamajidi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Giuseppe Ricci
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Burlo Garofolo, Trieste, Italy.,Department of Medical, Surgical and Health Science, University of Trieste, Trieste, Italy
| | - Uday Kishore
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Roberta Bulla
- Department of Life Sciences, University of Trieste, Trieste, Italy
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15
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Wedn AM, El-Bassossy HM, Eid AH, El-Mas MM. Modulation of preeclampsia by the cholinergic anti-inflammatory pathway: Therapeutic perspectives. Biochem Pharmacol 2021; 192:114703. [PMID: 34324867 DOI: 10.1016/j.bcp.2021.114703] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/21/2021] [Accepted: 07/22/2021] [Indexed: 12/12/2022]
Abstract
The cholinergic anti-inflammatory pathway (CAP) is vital for the orchestration of the immune and inflammatory responses under normal and challenged conditions. Over the past two decades, peripheral and central circuits of CAP have been shown to be critically involved in dampening the inflammatory reaction in a wide array of inflammatory disorders. Additionally, emerging evidence supports a key role for CAP in the regulation of the female reproductive system during gestation as well as in the advent of serious pregnancy-related inflammatory insults such as preeclampsia (PE). Within this framework, the modulatory action of CAP encompasses the perinatal maternal and fetal adverse consequences that surface due to antenatal PE programming. Albeit, a considerable gap still exists in our knowledge of the precise cellular and molecular underpinnings of PE/CAP interaction, which hampered global efforts in safeguarding effective preventive or therapeutic measures against PE complications. Here, we summarize reports in the literature regarding the roles of peripheral and reflex cholinergic neuroinflammatory pathways of nicotinic acetylcholine receptors (nAChRs) in reprogramming PE complications in mothers and their progenies. The possible contributions of α7-nAChRs, cholinesterases, immune cells, adhesion molecules, angiogenesis, and endothelial dysfunction to the interaction have also been reviewed.
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Affiliation(s)
- Abdalla M Wedn
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Hany M El-Bassossy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Ali H Eid
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar; Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, Doha, Qatar
| | - Mahmoud M El-Mas
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt; Department of Pharmacology and Toxicology, Faculty of Medicine, Kuwait University, Kuwait.
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16
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Awoyemi T, Motta-Mejia C, Zhang W, Kouser L, White K, Kandzija N, Alhamlan FS, Cribbs AP, Tannetta D, Mazey E, Redman C, Kishore U, Vatish M. Syncytiotrophoblast Extracellular Vesicles From Late-Onset Preeclampsia Placentae Suppress Pro-Inflammatory Immune Response in THP-1 Macrophages. Front Immunol 2021; 12:676056. [PMID: 34163477 PMCID: PMC8215361 DOI: 10.3389/fimmu.2021.676056] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/28/2021] [Indexed: 01/08/2023] Open
Abstract
Syncytiotrophoblast derived Extracellular Vesicles (STBEV) from normal pregnancy (NP) have previously been shown to interact with circulating monocytes and B cells and induce pro-inflammatory cytokine release. Early-onset preeclampsia (EOPE) is associated with an exacerbated inflammatory response, yet there is little data regarding late-onset PE (LOPE) and immune function. Here, using a macrophage/monocyte cell line THP-1, we investigated the inflammatory potential of STBEV, comprising medium/large-STBEV (>200nm) and small-STBEV (<200nm), isolated from LOPE (n=6) and normal (NP) (n=6) placentae via dual-lobe ex-vivo placental perfusion and differential centrifugation. THP-1 cells bound and internalised STBEV isolated from NP and LOPE placentae, as revealed by flow cytometry, confocal microscopy, and ELISA. STBEV-treated THP-1 cells were examined for cytokine gene expression by RT-qPCR and the cell culture media examined for secreted cytokines/chemokines. As expected, NP medium/large-STBEV significantly upregulated the transcriptional expression of TNF-α, IL-10, IL-6, IL-12, IL-8 and TGF-β compared to PE medium/large-STBEV. However, there was no significant difference in the small STBEV population between the two groups, although in general, NP small STBEVs slightly upregulated the same cytokines. In contrast, LOPE STBEV (medium and large) did not induce pro-inflammatory responses by differentiated THP-1 macrophages. This decreased effect of LOPE STBEV was echoed in cytokine/chemokine release. Our results appear to suggest that STBEV from LOPE placentae do not have a major immune-modulatory effect on macrophages. In contrast, NP STBEV caused THP-1 cells to release pro-inflammatory cytokines. Thus, syncytiotrophoblast extracellular vesicles from LOPE dampen immune functions of THP-1 macrophages, suggesting an alternative mechanism leading to the pro-inflammatory environment observed in LOPE.
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Affiliation(s)
- Toluwalase Awoyemi
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Carolina Motta-Mejia
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom.,Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Wei Zhang
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Lubna Kouser
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Kirsten White
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Neva Kandzija
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Fatimah S Alhamlan
- Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Adam P Cribbs
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Dionne Tannetta
- Department of Food and Nutritional Sciences, University of Reading, Reading, United Kingdom
| | - Emily Mazey
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Christopher Redman
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Uday Kishore
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Manu Vatish
- Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
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17
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Matias ML, Romao-Veiga M, Ribeiro VR, Nunes PR, Gomes VJ, Devides AC, Borges VT, Romagnoli GG, Peracoli JC, Peracoli MT. Progesterone and vitamin D downregulate the activation of the NLRP1/NLRP3 inflammasomes and TLR4-MyD88-NF-κB pathway in monocytes from pregnant women with preeclampsia. J Reprod Immunol 2021; 144:103286. [PMID: 33578174 DOI: 10.1016/j.jri.2021.103286] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/07/2021] [Accepted: 01/31/2021] [Indexed: 12/13/2022]
Abstract
This study evaluated the in vitro modulatory effect of progesterone (PG) and vitamin D (VD) on NLRP1/NLRP3 inflammasomes and TLR4/NF-κB pathway in monocytes from pregnant women with preeclampsia (PE). Monocytes from 20 preeclamptic and 20 normotensive (NT) pregnant women, and THP-1 cells were cultured with/without hyaluronan (HA), PG, or VD to determine gene and protein expression of TLR4 receptor, phosphorylated NF-κB, IκBα, TLR4, MYD88, NF-κB, NLRP1, NLRP3, caspase-1, IL-1β, IL-18, TNF-α, and IL-10. Higher endogenous activation of inflammatory genes and higher protein expression of TLR4 and NF-κB was detected in monocytes of PE group and decreased after PG or VD treatment. Monocyte from PE stimulated with HA increased while treatment with PG or VD decreased the expression of genes and proteins related to the inflammasomes. THP-1 cells showed a similar immune response profile as monocytes from PE. These results demonstrate that PG and VD play an immunomodulatory role in monocyte activation.
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Affiliation(s)
- Mariana Leticia Matias
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Mariana Romao-Veiga
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Vanessa Rocha Ribeiro
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Priscila Rezeck Nunes
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Virginia Juliani Gomes
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Amanda Carreira Devides
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Vera Therezinha Borges
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | | | - Jose Carlos Peracoli
- Department of Gynaecology and Obstetrics, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil
| | - Maria Terezinha Peracoli
- Department of Chemistry and Biological Sciences, Institute of Biosciences, Botucatu, Sao Paulo State University (UNESP), Botucatu, Sao Paulo, Brazil.
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18
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Nath MC, Cubro H, McCormick DJ, Milic NM, Garovic VD. Preeclamptic Women Have Decreased Circulating IL-10 (Interleukin-10) Values at the Time of Preeclampsia Diagnosis: Systematic Review and Meta-Analysis. Hypertension 2020; 76:1817-1827. [PMID: 33100048 PMCID: PMC7666074 DOI: 10.1161/hypertensionaha.120.15870] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/16/2020] [Indexed: 11/16/2022]
Abstract
A key immunomodulatory cytokine, IL-10 (interleukin-10), has been shown to be dysregulated in preeclampsia, a pregnancy-specific hypertensive disorder, further characterized by multi-system involvement. However, studies have reported inconsistent findings about circulating IL-10 levels in preeclamptic versus normotensive pregnancies. The aim of the present systematic review and meta-analysis was to assess circulating IL-10 levels in preeclamptic and normotensive pregnancies at 2 time points: before, and at the time of preeclampsia diagnosis. PubMED, EMBASE, and Web of Science databases were searched to include all published studies examining circulating IL-10 levels in preeclamptic and normotensive pregnancies. Differences in IL-10 levels were evaluated by standardized mean differences. Of 876 abstracts screened, 56 studies were included in the meta-analysis. Circulating IL-10 levels were not different before the time of active disease (standardized mean differences, -0.01 [95% CI, -0.11 to 0.08]; P=0.76). At the time of active disease, women with preeclampsia (n=1599) had significantly lower IL-10 levels compared with normotensive controls (n=1998; standardized mean differences, -0.79 [95% CI, -1.22 to -0.35]; P=0.0004). IL-10 levels were lower in both early/severe and late/mild forms of preeclampsia. Subgroup analysis revealed that IL-10 measurement methodology (ELISA or multiplex bead array) and the sample type (plasma or serum) significantly influenced the observed differences, with the use of sera paired with ELISA technology providing the best distinction in IL-10 levels between preeclamptic and normotensive pregnancies. These findings support the role of decreased IL-10 levels in the pathophysiology of preeclampsia. Future studies should address the therapeutic potential of IL-10 in preeclampsia.
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Affiliation(s)
- Meryl C. Nath
- Division of Nephrology & Hypertension Mayo Clinic, Rochester, MN
| | - Hajrunisa Cubro
- Division of Nephrology & Hypertension Mayo Clinic, Rochester, MN
| | | | - Natasa M. Milic
- Division of Nephrology & Hypertension Mayo Clinic, Rochester, MN
- Department of Medical Statistics & Informatics, Medical Faculty, University of Belgrade, Serbia
| | - Vesna D. Garovic
- Division of Nephrology & Hypertension Mayo Clinic, Rochester, MN
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN
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19
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Gomes VJ, Nunes PR, Matias ML, Ribeiro VR, Devides AC, Bannwart-Castro CF, Romagnoli GG, Peraçoli JC, Peraçoli MTS, Romao-Veiga M. Silibinin induces in vitro M2-like phenotype polarization in monocytes from preeclamptic women. Int Immunopharmacol 2020; 89:107062. [PMID: 33045562 DOI: 10.1016/j.intimp.2020.107062] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 09/02/2020] [Accepted: 09/28/2020] [Indexed: 12/31/2022]
Abstract
Preeclampsia (PE) is a pregnancy-specific syndrome featuring intense activation of circulating monocytes and an imbalance between pro- and anti-inflammatory cytokines. The present study evaluated the immunomodulatory effect of silibinin (Sb) on the expression of surface markers and the nuclear transcription factor NF-κB signalling pathway of monocytes from preeclamptic women. Monocytes were cultured with or without Sb, and the mean fluorescence intensity of the surface molecules TLR4, CD64, and CD163 as well as the intracellular transcription factors IκB-α and NF-κBp65 was analysed by flow cytometry. The concentration of cytokines in the monocyte culture supernatant was determined by cytometric bead array and ELISA immunoassay. The results showed that the in vitro treatment of monocytes from preeclamptic women with Sb downregulated the endogenous activation of NF-κB and the expression of surface receptors TLR4 and CD64, and reduced the synthesis of the pro-inflammatory cytokines interleukin 1 (IL-1β), IL-6, IL-8, IL-12p70, IL-23, and tumour necrosis factor alpha (TNF-α) compared with cultures not treated with Sb. The presence of this flavonoid in monocyte cultures increased the expression of CD163 and IκBα and the release of IL-10 and transforming growth factor beta (TGF-β) in the culture supernatants, polarising these cells from the M1-like profile to the M2-like profile. The anti-inflammatory activity of Sb on the NF-κB activation pathway and induction of cell polarisation to the M2 profile was confirmed by an in vitro assay using monocytes from healthy, non-pregnant women. Treatment of monocytes from preeclamptic women with Sb polarises the cells to the M2-like phenotype, suggesting that this flavonoid has an immunomodulatory effect on the sterile inflammation characteristic of PE.
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Affiliation(s)
- Virgínia Juliani Gomes
- Botucatu Medical School, Sao Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil
| | - Priscila Rezeck Nunes
- Botucatu Medical School, Sao Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil
| | - Mariana Letícia Matias
- Botucatu Medical School, Sao Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil
| | - Vanessa Rocha Ribeiro
- Botucatu Medical School, Sao Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil
| | | | | | - Graziela Gorete Romagnoli
- Department Health Science, Oeste Paulista University (UNOESTE), Jau, Sao Paulo, Brazil; Institute of Biosciences of Botucatu, Sao Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil
| | - José Carlos Peraçoli
- Botucatu Medical School, Sao Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil
| | | | - Mariana Romao-Veiga
- Botucatu Medical School, Sao Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil.
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20
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Hu X, Gu Y, Zhao S, Hua S, Jiang Y. Increased IL-10+CD206+CD14+M2-like macrophages in alveolar lavage fluid of patients with small cell lung cancer. Cancer Immunol Immunother 2020; 69:2547-2560. [PMID: 32583155 DOI: 10.1007/s00262-020-02639-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 06/12/2020] [Indexed: 12/11/2022]
Abstract
There are significant differences in pathology, etiology, clinical features, and treatment options between small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). However, the differences of macrophage distribution and its associated function between SCLC and NSCLC are not fully investigated. Through methods of flow cytometry and cytometric bead array, we examined the levels of various subtypes of macrophages, monocytes, and regulatory T cells (Tregs) as well as interleukin (IL)-10 in bronchoalveolar lavage fluid (BALF) of patients with SCLC or NSCLC. Our study showed that the frequency of CD14+, CD206+CD14+ and IL-10+CD206+CD14+M2-like macrophages were significantly increased, with simultaneously elevated IL-10 in BALF of SCLC patients, as compared to those in BALF of NSCLC patients. Furthermore, the increased frequency of IL-10+CD206+CD14+M2-like macrophages and elevated level of IL-10 in BALF of SCLC patients were positively correlated with advanced tumor stage, but negatively correlated with their survival time. On the other hand, the level of supernatant IL-10 and frequency of IL-10+CD206+CD14+M2-like macrophages in SCLC patients were positively correlated. The frequency of above mentioned macrophages was also positively correlated with that of Foxp3+CD25+CD4+Tregs. Compared to NSCLC patients, the level of circulating IL-10+CD206+CD14+M2-like monocytes in SCLC patients were significantly increased after chemotherapy. Overall, increased IL-10+CD206+CD14+M2-like macrophages were an important feature of SCLC, rather than NSCLC, and it is associated with development of SCLC.
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Affiliation(s)
- Xintong Hu
- Genetic Diagnosis Center, The First Hospital of Jilin University, Changchun, 130021, China
| | - Yue Gu
- Department of Pneumology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Songchen Zhao
- Tongji University School of Medicine, Shanghai, 200092, China
| | - Shucheng Hua
- Department of Pneumology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Yanfang Jiang
- Genetic Diagnosis Center, The First Hospital of Jilin University, Changchun, 130021, China.
- Key Laboratory of Zoonoses Research, Ministry of Education, The First Hospital of Jilin University, Changchun, 130021, China.
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China.
- The First Hospital, Jilin University, Changchun, 130031, China.
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21
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Romão-Veiga M, Bannwart-Castro CF, Borges VTM, Golim MA, Peraçoli JC, Peraçoli MTS. Increased TLR4 pathway activation and cytokine imbalance led to lipopolysaccharide tolerance in monocytes from preeclamptic women. Pregnancy Hypertens 2020; 21:159-165. [PMID: 32535227 DOI: 10.1016/j.preghy.2020.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 06/01/2020] [Accepted: 06/05/2020] [Indexed: 01/02/2023]
Abstract
Preeclampsia (PE) is a pregnancy syndrome characterized by a systemic inflammatory response, and endogenous activation of monocytes. This study aimed to determine whether the activation of monocytes from preeclamptic women might interfere with the response to lipopolysaccharide (LPS)-in vitro stimulation. Fifty-two preeclamptic women and 32 normotensive (NT) pregnant women were included. Monocytes from peripheral blood were cultured with or without LPS. TLR4 expression was analyzed by flow cytometry, NF-κB activity was determined in nuclear extracts and cytokines production was evaluated by ELISA. Endogenous TLR4 ligands such as Hyaluronan, HMGB1 and Hsp70 were determined in plasma. The endogenous TLR4 expression and activation of NF-κB were statistically higher in monocytes from women with PE compared to NT group. Early-onset PE showed higher TLR4 expression compared to late-onset PE. Plasma levels of Hyaluronan, HMGB1, and Hsp70, as well as endogenous production of inflammatory cytokines, were elevated whilst lower production of IL-10 was observed in the PE group. After culture with LPS, monocytes presented lower NF-κB activation, TNF-α and IL-12 production in PE groups than in the NT group. The study demonstrates endogenous activation of monocytes from preeclamptic women, accompanied by higher expression of TLR4, NF-κB activation and elevated production of pro-inflammatory cytokines. The higher plasma levels of the TLR4 ligands hyaluronan, HMGB1 and hsp70, as well as the high concentration of TNF-α endogenously produced by monocytes, could induce the LPS tolerance phenomenon in these cells. These results suggest that monocytes play an important role in the maternal excessive systemic inflammatory response in PE.
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Affiliation(s)
- Mariana Romão-Veiga
- Department of Gynecology and Obstetrics, Botucatu São Paulo State University, Medical School, Botucatu, SP, Brazil.
| | | | | | - Marjorie Assis Golim
- Division of Hemocenter - Botucatu São Paulo State University, Medical School, Botucatu, São Paulo, SP, Brazil
| | - José Carlos Peraçoli
- Department of Gynecology and Obstetrics, Botucatu São Paulo State University, Medical School, Botucatu, SP, Brazil
| | - Maria Terezinha Serrão Peraçoli
- Department of Microbiology and Immunology, Botucatu São Paulo State University, Institute of Biosciences, Botucatu, SP, Brazil
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Alternatively Activated Macrophages Are the Primary Retinoic Acid-Producing Cells in Human Decidua. Reprod Sci 2020; 27:334-341. [PMID: 32046391 DOI: 10.1007/s43032-019-00030-7] [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: 01/16/2019] [Accepted: 04/08/2019] [Indexed: 12/18/2022]
Abstract
In situ production and metabolism of all-trans retinoic acid (RA) in decidual tissue are critically important for endometrial stromal differentiation, embryo implantation, and healthy placentation. However, the cellular source(s) of RA in this tissue has yet to be determined. To identify the primary RA-producing cells in human term decidua, we isolated cells from decidua basalis of delivered placenta and quantified cellular retinal dehydrogenase (RALDH) activity, a major biosynthetic enzyme whose activity determines the synthesis of RA from retinol, using an Aldefluor assay and flow cytometry. RA production in decidual tissue and sorted cell subpopulations was evaluated by liquid chromatography-tandem mass spectrometry. CD14+ cells (macrophages/monocytes) showed > 4-fold higher RALDH activity than stromal cells (CD10+), T cells (CD3+), or non-T lymphocytes (CD3-negative). CD11c+ cells that did not co-express CD14 showed about one-third the RALDH activity of their CD14 co-expressing counterparts. The highest RALDH activity was found in "alternatively activated" M2 macrophages delineated by the simultaneous expression of CD14 and CD163. The greater RA synthesizing capacity of M2 versus CD14+CD163-ve (M1) cells was confirmed by direct quantitation of RA biosynthesis from retinol. RA levels in whole decidua were correlated with M2 cell density but not with stromal cell (CD10+) number, the major cell type comprising the decidua. These results identified M2 monocyte/macrophages as the primary source of RA in human term decidua. This finding may have implications for certain pregnancy complications that are known to be associated with reduced numbers of decidual M2 cells.
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23
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Fodor P, White B, Khan R. Inflammation-The role of ATP in pre-eclampsia. Microcirculation 2019; 27:e12585. [PMID: 31424615 DOI: 10.1111/micc.12585] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/23/2019] [Accepted: 08/15/2019] [Indexed: 12/20/2022]
Abstract
Sterile inflammation may be initiated by molecules in the host organism that signal "damage" or "danger" also known as danger-associated molecular pattern (DAMPs). In pre-eclampsia (PE), a variety of DAMPs may be involved in the etiology or exacerbation of the disorder. Adenosine 5'-triphosphate (ATP) is a key intracellular energy molecule as well as a ligand for purinergic receptors. In humans, under physiological conditions, extracellular ATP (eATP) levels are distinctly low, but can rise to several hundred fold when cells become injured, stressed, or even necrotic. This often initiates a sterile inflammatory response with eATP acting as a DAMP. Extracellular ATP and its derivative nucleotides synthetized by endonucleotidases exhibit many of their effects through purinergic receptors, via inflammatory cascades and the production of proinflammatory molecules. This is clearly seen in the P2X7 gated receptor, which is linked to release of cytokines of the interleukin-1 family. Considering its fundamental role in innate immunity, an imbalance of P2X7 receptor activation may lead to deleterious effects in the coordination of placental vessel tone via the synthesis of various proinflammatory cytokines. This review explores the implication of DAMPs, specifically ATP and uric acid in the inflammation associated with PE.
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Affiliation(s)
- Paul Fodor
- Division of Medical Science and Graduate Entry Medicine, School of Medicine, University of Nottingham, Medical School, Royal Derby Hospital Centre, Derby, UK
| | - Benjamin White
- Division of Medical Science and Graduate Entry Medicine, School of Medicine, University of Nottingham, Medical School, Royal Derby Hospital Centre, Derby, UK
| | - Raheela Khan
- Division of Medical Science and Graduate Entry Medicine, School of Medicine, University of Nottingham, Medical School, Royal Derby Hospital Centre, Derby, UK
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Mendoza-Cabrera MI, Navarro-Hernández RE, Santerre A, Ortiz-Lazareno PC, Pereira-Suárez AL, Estrada-Chávez C. Effect of pregnancy hormone mixtures on cytokine production and surface marker expression in naïve and LPS-activated THP-1 differentiated monocytes/macrophages. Innate Immun 2019; 26:84-96. [PMID: 31364430 PMCID: PMC7016408 DOI: 10.1177/1753425919864658] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
In pregnancy, maternal monocytes and macrophages acquire a specific phenotype that enables them to maintain immune tolerance and facilitate hormone–immune cell interactions, which are necessary for gestational progression. The aim of this study was to determine the effect of pregnancy hormone mixtures of the first and third trimesters on both resting and activated monocytes and macrophages. Pregnancy hormone levels (cortisol, estradiol, progesterone, and prolactin) were quantified at the first and third trimesters. The average of the levels obtained was used to prepare two mixtures of synthetic hormones: low and high. These mixtures were then used to stimulate THP-1 monocytes and macrophages, resting or activated with LPS. Cytokine production in the culture supernatants and surface marker expression (CD14, CD86, and CD163) were evaluated by ELISA and flow cytometry, respectively. We found that the hormones modulated the pro-inflammatory response of THP-1 cells, LPS-activated monocytes, and macrophages, inducing high levels of IL-10 and low levels of IL-8, IL-1-β, and IL-6. All hormone stimulation increased the CD163 receptor in both resting and LPS-activated monocytes and macrophages in a dose-independent manner, unlike CD14 and CD86. Pregnancy hormones promote the expression of the markers associated with the M2-like phenotype, modulating their pro-inflammatory response. This phenotype regulation by hormones could be a determinant in pregnancy.
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Affiliation(s)
| | - Rosa-Elena Navarro-Hernández
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Instituto de Investigación en Reumatología y Sistema Músculo-Esquelético, Mexico
| | - Anne Santerre
- Departamento de Biología Celular y Molecular, Universidad de Guadalajara, Centro Universitario de Ciencias Biológicas y Agropecuarias, Mexico
| | - Pablo Cesar Ortiz-Lazareno
- División de Inmunología, Instituto Mexicano del Seguro Social, Centro de Investigación Biomédica de Occidente, Mexico
| | - Ana Laura Pereira-Suárez
- Departamento de Fisiología, Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Mexico
| | - Ciro Estrada-Chávez
- Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Mexico
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25
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Downregulation of CD163 in monocytes and its soluble form in the plasma is associated with a pro-inflammatory profile in pregnant women with preeclampsia. Immunol Res 2019; 67:194-201. [DOI: 10.1007/s12026-019-09078-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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26
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Downregulation of α7 nicotinic acetylcholine receptors in peripheral blood monocytes is associated with enhanced inflammation in preeclampsia. BMC Pregnancy Childbirth 2019; 19:188. [PMID: 31138166 PMCID: PMC6540389 DOI: 10.1186/s12884-019-2340-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 05/13/2019] [Indexed: 11/18/2022] Open
Abstract
Background Preeclampsia is associated with chronic inflammation. The cholinergic anti-inflammatory pathway regulates systemic inflammation through activating α7 nicotinic acetylcholine receptors (α7nAChR) expressed in monocytes/macrophages. This study aimed to investigate the role of α7nAChR in peripheral blood monocytes in preeclampsia. Methods Peripheral blood monocytes were isolated from 30 nonpregnant (NP), 32 normotensive pregnant (NT), and 35 preeclamptic (PE) women. Results We found that both protein and mRNA expression levels of α7nAChR in monocytes from the PE women were significantly lower than those of the NP and NT women (both p < 0.01). α7nAChR protein expression levels in monocytes were negatively correlated with levels of systolic blood pressure (r = − 0.40, p = 0.04), proteinuria (r = − 0.54, p < 0.01), tumor necrosis factor-alpha (TNF-α, r = − 0.42, p = 0.01), and interleukin (IL)-1β (r = − 0.56, p < 0.01), while positively correlated with IL-10 levels (r = 0.43, p = 0.01) in the PE women. Both baseline and lipopolysaccharides (LPS)-induced increase of TNF-α, IL-1β, and IL-6 levels from monocytes were higher in the PE group than the NP and NT groups (all p < 0.01), but IL-10 levels in the PE group was lower than that of the NP and NT groups (p < 0.01). In addition, the NF-κB activity in monocytes from the PE women was higher than the NP and NT women (p < 0.01). Importantly, activation of α7nAChR with its agonist PNU-282987 inhibited NF-κB, decreased TNF-α, IL-1β, and IL-6 release, and increased IL-10 release in monocytes from the PE women (all p < 0.01). Conclusion In conclusion, these findings suggest that downregulation of α7nAChR may be associated with the development of preeclampsia through increasing pro-inflammatory and decreasing anti-inflammatory cytokine release via the NF-κB pathway.
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27
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Silibinin Downregulates the NF-κB Pathway and NLRP1/NLRP3 Inflammasomes in Monocytes from Pregnant Women with Preeclampsia. Molecules 2019; 24:molecules24081548. [PMID: 31010153 PMCID: PMC6515043 DOI: 10.3390/molecules24081548] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 04/09/2019] [Accepted: 04/16/2019] [Indexed: 12/31/2022] Open
Abstract
Preeclampsia (PE) is a human pregnancy-specific syndrome with abnormal activation of cells from the innate immune system. The present study evaluated whether silibinin (SB) treatment of monocytes from preeclamptic women could modulate NLRP1 and NLRP3 inflammasomes as well as TLR4/NF-κB pathway activation. Peripheral blood monocytes from 20 preeclamptic and 20 normotensive (NT) pregnant women, as well as the THP-1 cell line, were cultured with or without monosodium urate (MSU) or SB. NLRP1, NLRP3, Caspase-1, TLR4, MyD88, NF-κB, IL-1β, IL-18, TNF-α and IL-10 gene expression by monocytes was analysed by quantitative real-time polymerase chain reaction (qPCR), while inflammatory cytokine production and p65NF-κB activity were determined by enzyme-linked immunosorbent assays (ELISAs). TLR4/MyD88/NF-κB and NLRP1/NLRP3 inflammasomes pathways in THP-1 cells were evaluated by flow cytometry and western blot respectively. Compared with NT women, monocytes from preeclamptic women showed The Ethics Committee of the Botucatu Medical School approved the study (protocol number 2.333.216)higher endogenous activation of NLRP1/NLRP3 inflammasomes and the TLR4/NF-κB pathway as well as higher gene and protein expression of IL-1β, IL-18 and TNF-α, and lower expression of IL-10. Monocyte stimulation with MSU increased inflammation-related genes as well as NF-κB activity. In vitro, SB treatment of monocytes from preeclamptic women reduced the basal activation of these cells by decreasing NLRP1/NLRP3 inflammasomes and p65NF-κB activity. THP-1 cells exhibited a similar immunological response profile to monocytes from preeclamptic women when cultured with or without MSU or SB. These results suggest uric acid participates in the systemic inflammatory response characteristic of preeclampsia and that in vitro SB treatment can modulate the sterile inflammation established in monocytes from preeclamptic women.
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28
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Hou J, Wang X, Zhang M, Wang M, Gao P, Jiang Y. Circulating CD14+CD163+CD209+ M2-like monocytes are associated with the severity of infection in Helicobacter pylori-positive patients. Mol Immunol 2019; 108:13-22. [DOI: 10.1016/j.molimm.2019.01.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 01/24/2019] [Accepted: 01/25/2019] [Indexed: 02/06/2023]
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Affiliation(s)
- Sarosh Rana
- From the Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Chicago, IL (S.R.)
| | - Elizabeth Lemoine
- Harvard Medical School, Boston, MA (E.L.)
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA (E.L., S.A.K.)
| | - Joey P. Granger
- Department of Physiology, University of Mississippi Medical Center, Jackson (J.P.G.)
| | - S. Ananth Karumanchi
- Departments of Medicine, Obstetrics and Gynecology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA (S.A.K.)
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA (E.L., S.A.K.)
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30
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Jabalie G, Ahmadi M, Koushaeian L, Eghbal‐Fard S, Mehdizadeh A, Kamrani A, Abdollahi‐Fard S, Farzadi L, Hojjat‐ Farsangi M, Nouri M, Yousefi M. Metabolic syndrome mediates proinflammatory responses of inflammatory cells in preeclampsia. Am J Reprod Immunol 2019; 81:e13086. [DOI: 10.1111/aji.13086] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/17/2018] [Accepted: 12/28/2018] [Indexed: 01/21/2023] Open
Affiliation(s)
- Gisoo Jabalie
- Stem Cell Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Majid Ahmadi
- Student’s Research CommitteeTabriz University of Medical Sciences Tabriz Iran
- Reproductive Biology Department Tabriz University of Medical Sciences Tabriz Iran
| | - Ladan Koushaeian
- Stem Cell Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Shadi Eghbal‐Fard
- Stem Cell Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Amir Mehdizadeh
- Endocrine Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Amin Kamrani
- Stem Cell Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Sedigheh Abdollahi‐Fard
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences Tabriz Iran
| | - Laya Farzadi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences Tabriz Iran
| | - Mohammad Hojjat‐ Farsangi
- Department of Oncology‐Pathology, Immune and Gene Therapy Lab, Cancer Center Karolinska (CCK)Karolinska University Hospital Solna and Karolinska Institute Stockholm Sweden
| | - Mohammad Nouri
- Reproductive Biology Department Tabriz University of Medical Sciences Tabriz Iran
| | - Mehdi Yousefi
- Drug Applied Research CenterTabriz University of Medical Sciences Tabriz Iran
- Aging Research Institute Tabriz University of Medical Sciences Tabriz Iran
- Department of Immunology Tabriz University of Medical Sciences Tabriz Iran
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31
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Rice TF, Donaldson B, Bouqueau M, Kampmann B, Holder B. Macrophage- but not monocyte-derived extracellular vesicles induce placental pro-inflammatory responses. Placenta 2018; 69:92-95. [PMID: 30213492 PMCID: PMC6398160 DOI: 10.1016/j.placenta.2018.07.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 07/05/2018] [Accepted: 07/19/2018] [Indexed: 11/18/2022]
Abstract
The placenta sheds extracellular vesicles (EVs), including exosomes, into the maternal circulation. We recently demonstrated that this trafficking of EVs is bi-directional; with uptake of macrophage exosomes by the placenta inducing cytokine release. The specificity of this response is currently unknown. THP-1 cells were cultured as monocytes or differentiated to macrophages, and EVs isolated by ultra-centrifugation. The effect of EVs on human placental explants was measured by cytokine ELISA/luminex. Macrophage, but not monocyte, EVs induce the release of pro-inflammatory cytokines by the placenta. Thus, placental responses to immune cell EVs, including exosomes, reflects the phenotype of the source cell.
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Affiliation(s)
- Thomas F Rice
- Section of Paediatrics, Department of Medicine, Imperial College London, UK
| | - Beverly Donaldson
- Section of Paediatrics, Department of Medicine, Imperial College London, UK
| | - Marielle Bouqueau
- Section of Paediatrics, Department of Medicine, Imperial College London, UK
| | - Beate Kampmann
- Section of Paediatrics, Department of Medicine, Imperial College London, UK; Vaccines & Immunity Theme, MRC Unit The Gambia at the London School of Hygiene and Tropical Medicine, Gambia; The Vaccine Centre, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
| | - Beth Holder
- Section of Paediatrics, Department of Medicine, Imperial College London, UK; Vaccines & Immunity Theme, MRC Unit The Gambia at the London School of Hygiene and Tropical Medicine, Gambia.
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32
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Alahakoon TI, Medbury H, Williams H, Fewings N, Wang XM, Lee VW. Distribution of monocyte subsets and polarization in preeclampsia and intrauterine fetal growth restriction. J Obstet Gynaecol Res 2018; 44:2135-2148. [PMID: 30058176 DOI: 10.1111/jog.13770] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 07/04/2018] [Indexed: 12/20/2022]
Abstract
AIM Monocytes are likely to play a significant role in the pathogenesis of preeclampsia (PE) and intrauterine fetal growth restriction (IUGR), given their role in homeostasis and tissue repair. Our aim was to study the gestational changes in monocytes in normal pregnancy and to determine whether monocyte subsets and phenotype are altered in pregnancy complications, such as PE and IUGR. METHODS A prospective cross-sectional case-control study was conducted. Pregnant women between 24 and 40 weeks of gestation (n = 54) were recruited and classified into four clinical groups of normal pregnancy, PE, IUGR and PE + IUGR. The maternal monocyte subsets classical, intermediate and nonclassical were compared for each clinical group. Monocyte polarization towards M1 (inflammatory) and M2 (repair) phenotypes was assessed by surface expression of CD86 and CD163 ratio, using flow cytometry. RESULTS The classical monocytes were reduced and intermediate monocyte elevated compared to normal pregnancy in PE, IUGR and PE + IUGR in gestations <37 weeks and IUGR in 26-40 weeks. CD163 expression was increased and CD86/CD163 ratio decreased in IUGR compared to normal pregnancy for all subsets. Nonclassical monocyte counts and CD163 expression increased with advancing gestation in normal pregnancy. CONCLUSION These results show for the first time, a shift towards increased intermediate maternal monocyte subtype in IUGR and in preterm PE as well as skewing of maternal peripheral monocytes (all subsets) towards M2 phenotype in pregnancies complicated by IUGR.
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Affiliation(s)
- Thushari I Alahakoon
- Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia.,Westmead Institute for Maternal and Fetal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
| | - Heather Medbury
- Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Surgery, Westmead Hospital, Westmead, New South Wales, Australia
| | - Helen Williams
- Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Surgery, Westmead Hospital, Westmead, New South Wales, Australia
| | - Nicole Fewings
- Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Immunology, Westmead Hospital, Westmead, New South Wales, Australia
| | - Xin M Wang
- Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia.,Flow Cytometry Core Facility, Westmead Research Hub, Westmead, New South Wales, Australia
| | - Vincent W Lee
- Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Renal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
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Cubro H, Kashyap S, Nath MC, Ackerman AW, Garovic VD. The Role of Interleukin-10 in the Pathophysiology of Preeclampsia. Curr Hypertens Rep 2018; 20:36. [PMID: 29713810 DOI: 10.1007/s11906-018-0833-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE OF REVIEW The pathophysiology of preeclampsia is complex and not entirely understood. A key feature in preeclampsia development is an immunological imbalance that shifts the maternal immune response from one of tolerance towards one promoting chronic inflammation and endothelial dysfunction. As a key regulator of immunity, IL-10 not only has immunomodulatory activity, but also directly benefits vasculature and promotes successful cellular interactions at the maternal-fetal interface. Here we focus on the mechanisms by which the dysregulation of IL-10 may contribute to the pathophysiology of preeclampsia. RECENT FINDINGS Dysregulation of IL-10 has been demonstrated in various animal models of preeclampsia. Decreased IL-10 production in both placenta and peripheral blood mononuclear cells has been reported in human studies, but with inconsistent results. The significance of IL-10 in preeclampsia has shifted from a key biomarker to one with therapeutic potential. As such, a better understanding of the role of this cytokine in the pathophysiology of preeclampsia is of paramount importance.
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Affiliation(s)
- Hajrunisa Cubro
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Sonu Kashyap
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - Allan W Ackerman
- Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Vesna D Garovic
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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Zhang M, Ding L, Wang X, Hou J, Li M, Jiang Y, He X, Cui M, Hu F, Zhang X, Yang J, Guo X, Zhao H, Gao P. Circulating CD14 +CD163 +CD115 + M2 monocytes are associated with the severity of new onset severe acute pancreatitis in Chinese patients. Int Immunopharmacol 2018. [PMID: 29518744 DOI: 10.1016/j.intimp.2018.02.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Despite the role of monocytes in the pathogenesis of severe acute pancreatitis (SAP), it remains unclear how different subtypes of monocytes regulate and contribute to this pathogenesis. METHODS We examined the numbers of different subsets of monocytes by flow cytometry in 21 SAP, 15 mild acute pancreatitis (MAP) and 13 healthy controls (HC). The concentrations of plasma cytokines were assessed by cytometric bead array. Disease severity was evaluated based on the acute physiology and chronic health evaluation (APACHE) II score and plasma C-reactive proteins (CRP) levels. RESULTS Compared with the numbers in MAP patients and HC, we observed that the numbers of CD14+CD163-, CD14+CD163-MAC387+, CD14+CD163-IL-12+ M1 monocytes, and CD115+, CD204+, IL-10+ M2 monocytes were significantly increased in SAP patients. In addition, these patients showed higher plasma levels of interleukin (IL)-12 and IL-10. Furthermore, the number of CD14+CD163-, CD14+CD163-MAC387+ M1 monocytes and the plasma IL-12 concentration showed a positive association with the CRP level, while the number of CD204+, IL-10+ M2 monocytes and the plasma IL-10 concentration showed a positive correlation with the APACHE II score. Importantly, the CD115+ M2 subset displayed a positive correlation with both the CRP level and APACHE II score, and treatment of SAP significantly reduced the number of this subset. CONCLUSIONS The CD14+CD163+CD115+ M2 monocyte count appears to be important factor in determining the severity and prognosis of SAP. Both the pro- and anti-inflammatory monocytes appear to participate in the pathogenesis of SAP.
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Affiliation(s)
- Manli Zhang
- Department of Hepatology and Gastroenterology, The Second Part of First Hospital, Jilin University, Changchun 130021, Jilin Province, China; Department of Central Laboratory, The First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Lili Ding
- Intensive Care Unit, The First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Xinrui Wang
- Department of Central Laboratory, The First Hospital, Jilin University, Changchun 130021, Jilin Province, China; Department of Hepatology, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Jie Hou
- Department of Central Laboratory, The First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Man Li
- Department of Central Laboratory, The First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Yanfang Jiang
- Department of Central Laboratory, The First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Xiuting He
- Department of Geriatrics, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Meizi Cui
- Department of Geriatrics, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Feng Hu
- Department of Hepatology and Gastroenterology, The Second Part of First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Xiuna Zhang
- Department of Hepatology and Gastroenterology, The Second Part of First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Jingyuan Yang
- Department of Hepatology and Gastroenterology, The Second Part of First Hospital, Jilin University, Changchun 130021, Jilin Province, China
| | - Xiaohe Guo
- Department of Gastroenterology, The First Hospital, Xinxiang Medical College, Xinxiang 453100, Henan Province, China
| | - Huiying Zhao
- Department of Central Laboratory, The First Hospital, Jilin University, Changchun 130021, Jilin Province, China.
| | - Pujun Gao
- Department of Hepatology, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China.
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Wheeler KC, Jena MK, Pradhan BS, Nayak N, Das S, Hsu CD, Wheeler DS, Chen K, Nayak NR. VEGF may contribute to macrophage recruitment and M2 polarization in the decidua. PLoS One 2018; 13:e0191040. [PMID: 29324807 PMCID: PMC5764356 DOI: 10.1371/journal.pone.0191040] [Citation(s) in RCA: 140] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 12/27/2017] [Indexed: 01/25/2023] Open
Abstract
It is increasingly evident that cytokines and growth factors produced in the decidua play a pivotal role in the regulation of the local immune microenvironment and the establishment of pregnancy. One of the major growth factors produced in the decidua is vascular endothelial growth factor (VEGF), which acts not only on endothelial cells, but also on multiple other cell types, including macrophages. We sought to determine whether decidua-derived VEGF affects macrophage recruitment and polarization using human endometrial/decidual tissue samples, primary human endometrial stromal cells (ESCs), and the human monocyte cell line THP1. In situ hybridization was used for assessment of local VEGF expression and immunohistochemistry was used for identification and localization of CD68-positive endometrial macrophages. Macrophage migration in culture was assessed using a transwell migration assay, and the various M1/M2 phenotypic markers and VEGF expression were assessed using quantitative real-time PCR (qRT-PCR). We found dramatic increases in both VEGF levels and macrophage numbers in the decidua during early pregnancy compared to the secretory phase endometrium (non-pregnant), with a significant increase in M2 macrophage markers, suggesting that M2 is the predominant macrophage phenotype in the decidua. However, decidual samples from preeclamptic pregnancies showed a significant shift in macrophage phenotype markers, with upregulation of M1 and downregulation of M2 markers. In THP1 cultures, VEGF treatment significantly enhanced macrophage migration and induced M1 macrophages to shift to an M2 phenotype. Moreover, treatment with conditioned media from decidualized ESCs induced changes in macrophage migration and polarization similar to that of VEGF treatment. These effects were abrogated by the addition of a potent VEGF inhibitor. Together these results suggest that decidual VEGF plays a significant role in macrophage recruitment and M2 polarization, and that inhibition of VEGF signaling may contribute to the shift in macrophage polarity observed in different pregnancy disorders, including preeclampsia.
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Affiliation(s)
- Karen C. Wheeler
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
| | - Manoj K. Jena
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
- Department of Biotechnology, School of Bioengineering and Biosciences, Lovely Professional University (LPU), Phagwara, Punjab, India
| | - Bhola S. Pradhan
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
| | - Neha Nayak
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
| | - Subhendu Das
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
| | - Chaur-Dong Hsu
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
| | - David S. Wheeler
- Division of Pulmonary and Critical Care Medicine, University of Michigan Health System, Ann Arbor, Michigan, United States of America
| | - Kang Chen
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
| | - Nihar R. Nayak
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
- * E-mail:
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Fukui S, Iwamoto N, Takatani A, Igawa T, Shimizu T, Umeda M, Nishino A, Horai Y, Hirai Y, Koga T, Kawashiri SY, Tamai M, Ichinose K, Nakamura H, Origuchi T, Masuyama R, Kosai K, Yanagihara K, Kawakami A. M1 and M2 Monocytes in Rheumatoid Arthritis: A Contribution of Imbalance of M1/M2 Monocytes to Osteoclastogenesis. Front Immunol 2018; 8:1958. [PMID: 29375576 PMCID: PMC5766997 DOI: 10.3389/fimmu.2017.01958] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 12/19/2017] [Indexed: 12/21/2022] Open
Abstract
Objectives We investigated the relationships among M1 monocytes, M2 monocytes, osteoclast (OC) differentiation ability, and clinical characteristics in patients with rheumatoid arthritis (RA). Methods Peripheral blood mononuclear cells (PBMCs) were isolated from RA patients and healthy donors, and we then investigated the number of M1 monocytes or M2 monocytes by fluorescence-activated cell sorting. We also obtained and cultured CD14-positive cells from PBMCs from RA patients and healthy donors to investigate OC differentiation in vitro. Results Forty RA patients and 20 healthy donors were included. Twenty-two patients (55%) were anticitrullinated protein antibody (ACPA) positive. The median M1/M2 ratio was 0.59 (0.31–1.11, interquartile range). There were no significant differences between the RA patients and healthy donors. There was a positive correlation between the M1/M2 ratio and the differentiated OC number in vitro in RA patients (ρ = 0.81, p < 0.001). The ACPA-positive patients had significantly higher M1/M2 ratios in vivo (p = 0.028) and significantly greater numbers of OCs in vitro (p = 0.005) than the ACPA-negative patients. Multivariable regression analysis revealed that the M1/M2 ratio was the sole significant contribution factor to in vitro osteoclastogenesis. RA patients with M1/M2 ratios >1 (having relatively more M1 monocytes) had higher C-reactive protein and erythrocyte sedimentation rates than RA patients with M1/M2 ratios ≤1. M1-dominant monocytes in vitro produced higher concentrations of interleukin-6 upon stimulation with lipopolysaccharide than M2 monocytes. Conclusion M1/M2 monocytes imbalance strongly contributes to osteoclastogenesis of RA patients. Our findings cast M1 and M2 monocyte subsets in a new light as a new target of treatments for RA to prevent progression of osteoclastic bone destruction.
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Affiliation(s)
- Shoichi Fukui
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Naoki Iwamoto
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Ayuko Takatani
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takashi Igawa
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Toshimasa Shimizu
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Masataka Umeda
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Medical Education Development Center, Nagasaki University Hospital, Nagasaki, Japan
| | - Ayako Nishino
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Center for Comprehensive Community Care Education Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yoshiro Horai
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Rheumatology, Clinical Research Center, NHO Nagasaki Medical Center, Omura, Nagasaki, Japan
| | - Yasuko Hirai
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tomohiro Koga
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shin-Ya Kawashiri
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Mami Tamai
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kunihiro Ichinose
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hideki Nakamura
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tomoki Origuchi
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Ritsuko Masuyama
- Department of Molecular Bone Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kosuke Kosai
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Katsunori Yanagihara
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Atsushi Kawakami
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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The role of decidual immune cells on human pregnancy. J Reprod Immunol 2017; 124:44-53. [DOI: 10.1016/j.jri.2017.10.045] [Citation(s) in RCA: 165] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 10/11/2017] [Accepted: 10/17/2017] [Indexed: 01/17/2023]
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Jafri S, Ormiston ML. Immune regulation of systemic hypertension, pulmonary arterial hypertension, and preeclampsia: shared disease mechanisms and translational opportunities. Am J Physiol Regul Integr Comp Physiol 2017; 313:R693-R705. [PMID: 28978513 DOI: 10.1152/ajpregu.00259.2017] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 09/11/2017] [Accepted: 10/02/2017] [Indexed: 12/22/2022]
Abstract
Systemic hypertension, preeclampsia, and pulmonary arterial hypertension (PAH) are diseases of high blood pressure in the systemic or pulmonary circulation. Beyond the well-defined contribution of more traditional pathophysiological mechanisms, such as changes in the renin-angiotensin-aldosterone system, to the development of these hypertensive disorders, there is substantial clinical evidence supporting an important role for inflammation and immunity in the pathogenesis of each of these three conditions. Over the last decade, work in small animal models, bearing targeted deficiencies in specific cytokines or immune cell subsets, has begun to clarify the immune-mediated mechanisms that drive changes in vascular structure and tone in hypertensive disease. By summarizing the clinical and experimental evidence supporting a contribution of the immune system to systemic hypertension, preeclampsia, and PAH, the current review highlights the cellular and molecular pathways that are common to all three hypertensive disorders. These mechanisms are centered on an imbalance in CD4+ helper T cell populations, defined by excessive Th17 responses and impaired Treg activity, as well as the excessive activation or impairment of additional immune cell types, including macrophages, dendritic cells, CD8+ T cells, B cells, and natural killer cells. The identification of common immune mechanisms in systemic hypertension, preeclampsia, and PAH raises the possibility of new therapeutic strategies that target the immune component of hypertension across multiple disorders.
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Affiliation(s)
- Salema Jafri
- University of Cambridge, Department of Medicine, Cambridge, United Kingdom; and
| | - Mark L Ormiston
- Queen's University, Departments of Biomedical and Molecular Sciences, Medicine and Surgery, Kingston, Canada
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Bouças AP, de Souza BM, Bauer AC, Crispim D. Role of Innate Immunity in Preeclampsia: A Systematic Review. Reprod Sci 2017; 24:1362-1370. [PMID: 28891416 DOI: 10.1177/1933719117691144] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Innate immune system dysfunction has been known to be a key player in preeclampsia (PE). Activation of the maternal innate immunity may be triggered by invading microorganisms or endogenous ligands, which are detected by different pattern recognition receptors (PRRs). Although some studies have linked PRR activation to PE, it is still unclear if dysregulated PRR expression is associated with the development of this complication. Therefore, we conducted a systematic review of the literature, searching articles that evaluated associations of PRRs with PE. Twenty-six studies met the inclusion criteria: 20 of them analyzed PRR expressions and 6 studies investigated the association between PRR polymorphisms and PE. Among the PRRs, only few studies analyzed retinoic acid-inducible gene I-like helicase (RLH) and/or toll-like receptor (TLR)-1, 5, 6, 7, 8, and 9 expressions in immune cells or placentas from women with PE and controls; thus, it is inconclusive if these PRRs are involved in PE. Results from the 10 studies that analyzed TLR-2 expressions in women with PE and controls are also contradictory. The majority of the studies that investigated TLR-3 and -4 expressions indicate that these PRRs are increased in placenta or immune cells from women with PE compared to pregnant control woman. To date, polymorphisms in TLR-2, - 3, and - 4 and nucleotide-binding oligomerization domain-like receptor 2 genes do not seem to be associated with PE development. No study has evaluated the association between polymorphisms in genes codifying other TLRs or RLHs genes. In conclusion, available data in literature support a role for TLR-3 and TLR-4 in the pathogenesis of PE.
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Affiliation(s)
- Ana P Bouças
- 1 Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
- 2 Postgraduation Program in Medical Sciences: Endocrinology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Bianca M de Souza
- 1 Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
- 2 Postgraduation Program in Medical Sciences: Endocrinology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Andrea C Bauer
- 1 Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Daisy Crispim
- 1 Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
- 2 Postgraduation Program in Medical Sciences: Endocrinology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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40
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Zhang ML, Jiang YF, Wang XR, Ding LL, Wang HJ, Meng QQ, Gao PJ. Different phenotypes of monocytes in patients with new-onset mild acute pancreatitis. World J Gastroenterol 2017; 23:1477-1488. [PMID: 28293095 PMCID: PMC5330833 DOI: 10.3748/wjg.v23.i8.1477] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 01/13/2017] [Accepted: 01/17/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To evaluate the numbers of different subsets of monocytes and their associations with the values of clinical measures in mild acute pancreatitis (MAP) patients.
METHODS The study included one group of 13 healthy controls and another group of 24 patients with new-onset MAP. The numbers of different subsets of monocytes were examined in these two groups of subjects by flow cytometry. The concentrations of plasma interleukin (IL)-10 and IL-12 were determined by cytometric bead array. The acute physiology and chronic health evaluation (APACHE) II scores of individual patients were evaluated, and the levels of plasma C-reactive protein (CRP) as well as the activities of amylase and lipase were measured.
RESULTS In comparison with that in the controls, significantly increased numbers of CD14+CD163-, CD14+CD163-MAC387+ M1 monocytes, but significantly reduced numbers of CD14+CD163+IL-10+ M2 monocytes were detected in the MAP patients (P < 0.01 or P < 0.05). Furthermore, significantly higher levels of plasma IL-10 and IL-12 were observed in the MAP patients (P < 0.01 for all). More importantly, the levels of plasma CRP were positively correlated with the numbers of CD14+CD163- (R = 0.5009, P = 0.0127) and CD14+CD163-MAC387+ (R = 0.5079, P = 0.0113) M1 monocytes and CD14+CD163+CD115+ M2 monocytes (R = 0.4565, P = 0.0249) in the patients. The APACHE II scores correlated with the numbers of CD14+CD163+CD115+ (R = 0.4581, P = 0.0244) monocytes and the levels of plasma IL-10 (R = 0.4178, P = 0.0422) in the MAP patients. However, there was no significant association among other measures tested in this population.
CONCLUSION Increased numbers of CD14+CD163- and CD14+ CD163-MAC387+ monocytes may contribute to the pathogenesis of MAP, and increased numbers of CD14+CD163+CD115+ monocytes may be a biomarker for evaluating the severity of MAP.
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Maritati M, Comar M, Zanotta N, Seraceni S, Trentini A, Corazza F, Vesce F, Contini C. Influence of vaginal lactoferrin administration on amniotic fluid cytokines and its role against inflammatory complications of pregnancy. JOURNAL OF INFLAMMATION-LONDON 2017; 14:5. [PMID: 28289333 PMCID: PMC5310020 DOI: 10.1186/s12950-017-0152-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2016] [Accepted: 02/07/2017] [Indexed: 12/02/2022]
Abstract
Background An altered amniotic cytokine profile has been reported in inflammatory pregnancy complications with a leading role for IL-6, a marker of the foetal systemic inflammatory response. Up to this date there is no exhaustive information neither on the foetal cytokine balance nor on the best method for its modulation. We aimed to evaluate the influence of vaginal lactoferrin administration on amniotic fluid concentration of 47 cytokines, chemokines and growth factors. Methods Sixty women undergoing genetic amniocentesis were enrolled in an open-label clinical trial. 300 mg of vaginal lactoferrin (Florence, Italy) were randomly administered to obtain 3 groups: A, 20 untreated patients; B and C (20 patients in each) respectively treated 4 and 12 h before amniocentesis. Cytokines, chemokines and growth factors concentrations were quantified by a magnetic bead Luminex multiplex immunoassays panel technology. Data analysis was performed with the software Stata (v. 13.1) and GraphPad Prism (v. 5). Group comparisons were performed using Kruskal–Wallis followed by Mann–Whitney U tests, with Bonferroni correction for multiple comparisons. A p < 0.05 was considered significant. Results Among the 47 tested mediators, 24 (51.06%) were influenced by lactoferrin. 11 (23.4%), showed a highly significant difference (p <0.001); among these IL-9, IL-15, IFN-γ, IP-10, TNF-α, IL-1α and MCP-3 underwent a down-regulation, while IL-17 and FGF-basic, G-CSF, GM-CSF an up-regulation. Difference between group C and both B and A was small for IL-15, IP-10, IL-1α, MCP-3, while it was negligible for IL-9, IFN-γ and TNF-α. IL-17 and the 3 growth factors were strongly enhanced in B and C groups. IL-17, FGF-basic and GM-CSF showed increasing concentrations in both B and C groups, while G-CSF resulted up-regulated only in group C. Significance was intermediate (p < 0.01) for the down regulated IL-2RA, IL-12p40 and IFNα2 (6.38%) while it was small for 10 mediators (21.27%) 7 of which (IL-2, IL-4, eotaxin, PDGF-BB, RANTES, IL-18 and MIF) down-regulated and 3 (MCP-1, IL-3, and SDF-1α) up-regulated. Conclusion Lactoferrin down-regulates 17 pro-inflammatory amniotic mediators while up-regulating 7 anti-inflammatory amniotic mediators, 5 of which definitively belonging to an anti-inflammatory profile. These findings open to clinical investigation on its use against inflammatory complications of pregnancy.
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Affiliation(s)
- Martina Maritati
- Section of Infectious Diseases, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Manola Comar
- Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", Trieste, Italy
| | - Nunzia Zanotta
- Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - Silva Seraceni
- Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", Trieste, Italy
| | - Alessandro Trentini
- Section of Medical Biochemistry, Molecular Biology and Genetics, Department of Biomedical and Specialist Surgical Sciences, University of Ferrara, Ferrara, Italy
| | - Fabrizio Corazza
- Obstetrics and Gynaecology Unit Hospital of Cento, Ferrara, Italy
| | - Fortunato Vesce
- Section of Obstetrics and Gynaecology, Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, I 44 100 Ferrara, Italy
| | - Carlo Contini
- Section of Infectious Diseases, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
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Shirasuna K, Seno K, Ohtsu A, Shiratsuki S, Ohkuchi A, Suzuki H, Matsubara S, Nagayama S, Iwata H, Kuwayama T. AGEs and HMGB1 Increase Inflammatory Cytokine Production from Human Placental Cells, Resulting in an Enhancement of Monocyte Migration. Am J Reprod Immunol 2016; 75:557-68. [DOI: 10.1111/aji.12506] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 02/15/2016] [Indexed: 12/21/2022] Open
Affiliation(s)
- Koumei Shirasuna
- Laboratory of Animal Reproduction; Department of Agriculture; Tokyo University of Agriculture; Atsugi Kanagawa Japan
| | - Kotomi Seno
- Laboratory of Animal Reproduction; Department of Agriculture; Tokyo University of Agriculture; Atsugi Kanagawa Japan
| | - Ayaka Ohtsu
- Laboratory of Animal Reproduction; Department of Agriculture; Tokyo University of Agriculture; Atsugi Kanagawa Japan
| | - Shogo Shiratsuki
- Laboratory of Animal Reproduction; Department of Agriculture; Tokyo University of Agriculture; Atsugi Kanagawa Japan
| | - Akihide Ohkuchi
- Department of Obstetrics and Gynecology; Jichi Medical University; Shimotsuke Tochigi Japan
| | - Hirotada Suzuki
- Department of Obstetrics and Gynecology; Jichi Medical University; Shimotsuke Tochigi Japan
| | - Shigeki Matsubara
- Department of Obstetrics and Gynecology; Jichi Medical University; Shimotsuke Tochigi Japan
| | - Shiho Nagayama
- Department of Obstetrics and Gynecology; Jichi Medical University; Shimotsuke Tochigi Japan
| | - Hisataka Iwata
- Laboratory of Animal Reproduction; Department of Agriculture; Tokyo University of Agriculture; Atsugi Kanagawa Japan
| | - Takehito Kuwayama
- Laboratory of Animal Reproduction; Department of Agriculture; Tokyo University of Agriculture; Atsugi Kanagawa Japan
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Hu E, Ding L, Miao H, Liu F, Liu D, Dou H, Hou Y. MiR-30a attenuates immunosuppressive functions of IL-1β-elicited mesenchymal stem cells via targeting TAB3. FEBS Lett 2015; 589:3899-907. [PMID: 26555189 DOI: 10.1016/j.febslet.2015.11.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 10/30/2015] [Accepted: 11/02/2015] [Indexed: 02/07/2023]
Abstract
Mesenchymal stem cells (MSCs) possess the ability to modulate the immune response, and their abnormalities are related to several diseases. We previously reported that miR-30a expression significantly increased in the maternal-fetal interface during preeclampsia (PE), but the effects of miR-30a on the immunoregulatory characteristics of MSCs are unclear. In this study, we determined that miR-30a over-expression inhibited the IL-1β-elicited activation of the nuclear factor κB (NF-κB) and JNK signaling pathways and the production of IL-6, cyclooxygenase 2 (COX2) and IL-8 by targeting transforming growth factor-β-activated kinase 1 binding protein 3 (TAB3) in MSCs. Moreover, the over-expression of miR-30a also impaired MSCs' anti-inflammatory effects on macrophages. These data demonstrated that miR-30a in MSCs may participate in the immune dysregulation of the maternal-fetal interface during PE.
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Affiliation(s)
- Erling Hu
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, Nanjing 210093, PR China
| | - Liang Ding
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, Nanjing 210093, PR China
| | - Huishuang Miao
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, Nanjing 210093, PR China
| | - Fei Liu
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, Nanjing 210093, PR China
| | - Dan Liu
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, Nanjing 210093, PR China
| | - Huan Dou
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, Nanjing 210093, PR China; Jiangsu Key Laboratory of Molecular Medicine, Nanjing 210093, PR China
| | - Yayi Hou
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, Nanjing 210093, PR China; Jiangsu Key Laboratory of Molecular Medicine, Nanjing 210093, PR China.
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What are the roles of macrophages and monocytes in human pregnancy? J Reprod Immunol 2015; 112:73-80. [DOI: 10.1016/j.jri.2015.08.001] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 08/01/2015] [Accepted: 08/06/2015] [Indexed: 12/20/2022]
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Matias ML, Romão M, Weel IC, Ribeiro VR, Nunes PR, Borges VT, Araújo JP, Peraçoli JC, de Oliveira L, Peraçoli MT. Endogenous and Uric Acid-Induced Activation of NLRP3 Inflammasome in Pregnant Women with Preeclampsia. PLoS One 2015; 10:e0129095. [PMID: 26053021 PMCID: PMC4459873 DOI: 10.1371/journal.pone.0129095] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 05/05/2015] [Indexed: 12/23/2022] Open
Abstract
Preeclampsia (PE) is a specific syndrome of pregnancy, characterized by hypertension and proteinuria. This pathology is associated with hyperuricemia and elevated serum levels of inflammatory cytokines. Uric acid crystals may activate an intracellular complex called inflammasome, which is important for processing and release of inflammatory cytokines. This study investigated the state of monocyte activation, both endogenous and stimulated with monosodium urate (MSU), by gene expression of NLRP1 and NLRP3 receptors as well as their association with inflammatory cytokines expression. Monocytes were obtained from peripheral blood of 23 preeclamptic pregnant women, 23 normotensive pregnant women (NT) and 23 healthy non-pregnant women (NP). Inflammasome activation was evaluated by the gene expression of NLRP1, NLRP3, caspase-1, IL-1β, IL-18 and TNF-α by RT-qPCR in unstimulated monocytes (endogenous expression), or after cell stimulation with MSU (stimulated expression). The concentration of cytokines was assessed by ELISA. In preeclamptic pregnant women, gene expression of NLRP1, NLRP3, caspase-1, IL-1β and TNF-α by monocytes stimulated or not with MSU was significantly higher than in NT and NP groups. Stimulation of monocytes from preeclamptic and non-pregnant women with MSU induced increased gene expression of NLRP3, caspase-1 and TNF-α in relation to the endogenous expression in these groups, while this was not observed in the NT group. The cytokine determination showed that monocytes from women with PE produced higher endogenous levels of IL-1β, IL-18 and TNF-α compared to the other groups, while the stimulus with MSU led to higher production of these cytokines in preeclamptic group than in the NT group. In conclusion, the results showed increased basal gene expression of NLRP1 and NLRP3 receptors in monocytes from PE group. These cells stimulation with MSU demonstrates that uric acid plays a role in NLRP3 inflammasome activation, suggesting the participation of this inflammatory complex in the pathogenesis of preeclampsia.
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Affiliation(s)
- Mariana Leticia Matias
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University, Botucatu, SP, Brazil
| | - Mariana Romão
- Department of Microbiology and Immunology, Institute of Biosciences, São Paulo State University, Botucatu, SP, Brazil
| | - Ingrid Cristina Weel
- Department of Microbiology and Immunology, Institute of Biosciences, São Paulo State University, Botucatu, SP, Brazil
| | - Vanessa Rocha Ribeiro
- Department of Microbiology and Immunology, Institute of Biosciences, São Paulo State University, Botucatu, SP, Brazil
| | - Priscila Rezeck Nunes
- Department of Microbiology and Immunology, Institute of Biosciences, São Paulo State University, Botucatu, SP, Brazil
| | - Vera Therezinha Borges
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University, Botucatu, SP, Brazil
| | - João Pessoa Araújo
- Department of Microbiology and Immunology, Institute of Biosciences, São Paulo State University, Botucatu, SP, Brazil
| | - José Carlos Peraçoli
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University, Botucatu, SP, Brazil
| | - Leandro de Oliveira
- Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University, Botucatu, SP, Brazil
| | - Maria Terezinha Peraçoli
- Department of Microbiology and Immunology, Institute of Biosciences, São Paulo State University, Botucatu, SP, Brazil
- * E-mail:
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