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Asher I, Sheiner E, Willner NT, Zeller L, Pariente G. Perinatal outcomes and long-term infectious morbidity of offspring born to mothers with familial Mediterranean fever. Arch Gynecol Obstet 2023:10.1007/s00404-023-07317-w. [PMID: 38127142 DOI: 10.1007/s00404-023-07317-w] [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: 09/26/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023]
Abstract
PURPOSE To investigate perinatal outcomes and long-term infectious morbidity in children of mothers with familial Mediterranean fever (FMF). METHODS A population-based cohort study comparing perinatal outcomes and long-term infectious morbidity of offspring of mothers with and without FMF was conducted. All singleton deliveries between the years 1991-2021 in a tertiary medical center were included. The study groups were followed until 18 years of age for long-term infectious morbidity. A Kaplan-Meier survival curve was used to compare the cumulative incidence of long-term infectious morbidity, and generalized estimation equation (GEE) models as well as Cox proportional hazards models were constructed to control for confounders. RESULTS During the study period, 356,356 deliveries met the inclusion criteria. 411 of them were women with FMF. The mean follow-up period interval was 9.7 years (SD = 6.2) in both study groups. Using GEE models, preterm delivery, cesarean delivery, and low birth weight were independently associated with maternal FMF. The total infectious-related hospitalization rate was significantly higher in offspring born to mothers with FMF compared to the comparison group (Kaplan-Meier survival curve, log-rank p < 0.001). Using a Cox proportional hazards model, controlling for gestational age, maternal age, diabetes mellitus, cesarean delivery, and hypertensive disorders, being born to a mother with FMF was found to be an independent risk factor for long-term infection-related hospitalization of the offspring. CONCLUSION Maternal FMF was found to be independently associated with long-term infection-related hospitalization of the offspring. This positive correlation may reflect an intra-uterine pro-inflammatory environment which may result in the offspring's long-term susceptibility to infection.
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Affiliation(s)
- Itay Asher
- The Goldman Medical School at the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
| | - Eyal Sheiner
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - N Tifferet Willner
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Lior Zeller
- Division of Internal Medicine, Soroka University Medical Center, Beer-Sheva, Israel
| | - Gali Pariente
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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2
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Kanninen T, Jung E, Gallo DM, Diaz-Primera R, Romero R, Gotsch F, Suksai M, Bosco M, Chaiworapongsa T. Soluble suppression of tumorigenicity-2 in pregnancy with a small-for-gestational-age fetus and with preeclampsia. J Matern Fetal Neonatal Med 2023; 36:2153034. [PMID: 36521862 DOI: 10.1080/14767058.2022.2153034] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE Preeclampsia and fetal growth disorders are pregnancy-specific conditions that share common pathophysiological mechanisms. Yet, why some patients develop preeclampsia while others experience fetal growth restriction, or a combination of both clinical presentations, is unknown. We propose that the difference in severity of the maternal inflammatory response can contribute to the clinical phenotypes of preeclampsia vs. small for gestational age (SGA). To assess this hypothesis, we measured maternal plasma concentrations of the soluble isoform of suppression of tumorigenicity-2 (sST2), a member of the interleukin-1 receptor family that buffers proinflammatory responses. Previous reports showed that serum sST2 concentrations rise in the presence of intravascular inflammation and Th1-type immune responses and are significantly higher in patients with preeclampsia compared to those with normal pregnancy. The behavior of sST2 in pregnancies complicated by SGA has not been reported. This study was conducted to compare sST2 plasma concentrations in normal pregnancies, in those with preeclampsia, and in those with an SGA fetus. METHODS This retrospective cross-sectional study included women with an SGA fetus (n = 52), women with preeclampsia (n = 106), and those with normal pregnancy (n = 131). Maternal plasma concentrations of sST2 were determined by enzyme-linked immunosorbent assay. Doppler velocimetry of the uterine and umbilical arteries was available in a subset of patients with SGA (42 patients and 43 patients, respectively). RESULTS (1) Women with an SGA fetus had a significantly higher median plasma concentration of sST2 than normal pregnant women (p = .008); (2) women with preeclampsia had a significantly higher median plasma concentration of sST2 than those with normal pregnancy (p < .001) and those with an SGA fetus (p < .001); (3) patients with SGA and abnormal uterine artery Doppler velocimetry had a higher median plasma concentration of sST2 than controls (p < .01) and those with SGA and normal uterine artery Doppler velocimetry (p = .02); (4) there was no significant difference in the median plasma sST2 concentration between patients with SGA who had normal uterine artery Doppler velocimetry and controls (p = .4); (5) among patients with SGA, those with abnormal and those with normal umbilical artery Doppler velocimetry had higher median plasma sST2 concentrations than controls (p = .001 and p = .02, respectively); and (6) there was no significant difference in the median plasma sST2 concentrations between patients with SGA who did and those who did not have abnormal umbilical artery Doppler velocimetry (p = .06). CONCLUSIONS Preeclampsia and disorders of fetal growth are conditions characterized by intravascular inflammation, as reflected by maternal plasma concentrations of sST2. The severity of intravascular inflammation is highest in patients with preeclampsia.
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Affiliation(s)
- Tomi Kanninen
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Eunjung Jung
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Dahiana M Gallo
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Gynecology and Obstetrics, Universidad del Valle, Cali, Colombia
| | - Ramiro Diaz-Primera
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA.,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA.,Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, USA.,Detroit Medical Center, Detroit, MI, USA
| | - Francesca Gotsch
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Manaphat Suksai
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Mariachiara Bosco
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Tinnakorn Chaiworapongsa
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
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3
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Bosco M, Romero R, Gallo DM, Suksai M, Gotsch F, Jung E, Chaemsaithong P, Tarca AL, Gomez-Lopez N, Arenas-Hernandez M, Meyyazhagan A, Al Qasem M, Franchi MP, Grossman LI, Aras S, Chaiworapongsa T. Evidence for the participation of CHCHD2/MNRR1, a mitochondrial protein, in spontaneous labor at term and in preterm labor with intra-amniotic infection. J Matern Fetal Neonatal Med 2023; 36:2183088. [PMID: 36941246 DOI: 10.1080/14767058.2023.2183088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
OBJECTIVE Intra-amniotic inflammation (IAI), associated with either microbe (infection) or danger signals (sterile), plays a major role in the pathophysiology of preterm labor and delivery. Coiled-Coil-Helix-Coiled-Coil-Helix Domain Containing 2 (CHCHD2) [also known as Mitochondrial Nuclear Retrograde Regulator 1 (MNRR1)], a mitochondrial protein involved in oxidative phosphorylation and cell survival, is capable of sensing tissue hypoxia and inflammatory signaling. The ability to maintain an appropriate energy balance at the cellular level while adapting to environmental stress is essential for the survival of an organism. Mitochondrial dysfunction has been observed in acute systemic inflammatory conditions, such as sepsis, and is proposed to be involved in sepsis-induced multi-organ failure. The purpose of this study was to determine the amniotic fluid concentrations of CHCHD2/MNRR1 in pregnant women, women at term in labor, and those in preterm labor (PTL) with and without IAI. METHODS This cross-sectional study comprised patients allocated to the following groups: (1) mid-trimester (n = 16); (2) term in labor (n = 37); (3) term not in labor (n = 22); (4) PTL without IAI who delivered at term (n = 25); (5) PTL without IAI who delivered preterm (n = 47); and (6) PTL with IAI who delivered preterm (n = 53). Diagnosis of IAI (amniotic fluid interleukin-6 concentration ≥2.6 ng/mL) included cases associated with microbial invasion of the amniotic cavity and those of sterile nature (absence of detectable bacteria, using culture and molecular microbiology techniques). Amniotic fluid and maternal plasma CHCHD2/MNRR1 concentrations were determined with a validated and sensitive immunoassay. RESULTS (1) CHCHD2/MNRR1 was detectable in all amniotic fluid samples and women at term without labor had a higher amniotic fluid CHCHD2/MNRR1 concentration than those in the mid-trimester (p = 0.003); (2) the amniotic fluid concentration of CHCHD2/MNRR1 in women at term in labor was higher than that in women at term without labor (p = 0.01); (3) women with PTL and IAI had a higher amniotic fluid CHCHD2/MNRR1 concentration than those without IAI, either with preterm (p < 0.001) or term delivery (p = 0.01); (4) women with microbial-associated IAI had a higher amniotic fluid CHCHD2/MNRR1 concentration than those with sterile IAI (p < 0.001); (5) among women with PTL and IAI, the amniotic fluid concentration of CHCHD2/MNRR1 correlated with that of interleukin-6 (Spearman's Rho = 0.7; p < 0.001); and (6) no correlation was observed between amniotic fluid and maternal plasma CHCHD2/MNRR1 concentrations among women with PTL. CONCLUSION CHCHD2/MNRR1 is a physiological constituent of human amniotic fluid in normal pregnancy, and the amniotic concentration of this mitochondrial protein increases during pregnancy, labor at term, and preterm labor with intra-amniotic infection. Hence, CHCHD2/MNRR1 may be released into the amniotic cavity by dysfunctional mitochondria during microbial-associated IAI.
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Affiliation(s)
- Mariachiara Bosco
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
- Department of Obstetrics and Gynecology, AOUI Verona, University of Verona, Verona, Italy
| | - Roberto Romero
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA
| | - Dahiana M Gallo
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
- Department of Gynecology and Obstetrics, Universidad del Valle, Cali, Colombia
| | - Manaphat Suksai
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Francesca Gotsch
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Eunjung Jung
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Piya Chaemsaithong
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
- Department of Obstetrics and Gynecology, Mahidol University, Bangkok, Thailand
| | - Adi L Tarca
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, USA
| | - Nardhy Gomez-Lopez
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Marcia Arenas-Hernandez
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Arun Meyyazhagan
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
- Centre of Perinatal and Reproductive Medicine, University of Perugia, Perugia, Italy
| | - Malek Al Qasem
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
- Department of Obstetrics and Gynecology, Faculty of Medicine, Mutah University, Al-Karak, Jordan
| | - Massimo P Franchi
- Department of Obstetrics and Gynecology, AOUI Verona, University of Verona, Verona, Italy
| | - Lawrence I Grossman
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Siddhesh Aras
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Tinnakorn Chaiworapongsa
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
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4
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Immonen T, Jung E, Gallo DM, Diaz-Primera R, Gotsch F, Whittaker P, Than NG, Bosco M, Tarca AL, Suksai M, Romero R, Chaiworapongsa T. Acute pyelonephritis in pregnancy and plasma syndecan-1: evidence of glycocalyx involvement. J Matern Fetal Neonatal Med 2023; 36:2155041. [PMID: 36642424 DOI: 10.1080/14767058.2022.2155041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Acute pyelonephritis, a risk factor for maternal sepsis, adult respiratory distress syndrome, and preterm labor, is a frequent cause of hospitalization. This condition is characterized by excessive intravascular inflammation and endothelial cell activation and dysfunction. Syndecan-1, a major component of the glycocalyx, is a gel-like layer that covers the luminal surface of healthy endothelial cells, preserving and mediating many endothelial functions. During pregnancy, there is an additional potential source of syndecan-1, the "syncytiotrophoblast glycocalyx," which lines the intervillous space. Insults that damage the glycocalyx lead to a shedding of syndecan-1 into the circulation. Hence, syndecan-1 has been proposed as a marker of endothelial injury in conditions such as sepsis, trauma, cardiovascular disease, and diabetes mellitus. OBJECTIVE The objective of this study was to determine whether the plasma syndecan-1 concentration changes in women with acute pyelonephritis in the presence or absence of bacteremia. STUDY DESIGN This cross-sectional study included three groups: (1) non-pregnant women (n = 25); (2) women with an uncomplicated pregnancy from whom samples were collected preterm (n = 61) or at term (n = 69); and (3) pregnant women diagnosed with acute pyelonephritis from whom samples were collected at the time of diagnosis during the second and third trimesters (n = 33). The diagnosis of acute pyelonephritis was based on clinical findings and a positive urine culture for bacteria. Blood culture results were available in 85% (28/33) of women with acute pyelonephritis. Plasma concentrations of syndecan-1 were determined by a validated immunoassay. RESULTS (1) Women with an uncomplicated pregnancy had a higher plasma concentration of syndecan-1 than non-pregnant women. The geometric mean (95% confidence interval [CI]) of syndecan-1 concentration was 51.0 (12.1-216.1) ng/mL in non-pregnant controls; 1280 (365-4487) ng/mL in normal preterm gestations; and 1786 (546-5834) ng/mL in normal term gestations (adjusted p < .005 for all three between group comparisons); (2) plasma syndecan-1 concentrations increased with gestational age among women with a normal pregnancy (p < .001, R2 = 0.27); (3) syndecan-1 multiple of the mean (MoM) values in pregnant patients with acute pyelonephritis were higher than those in normal pregnant women based on second- and third-trimester samples (p = .048, 1.26-fold change). The increase was driven primarily by cases with a positive blood culture (p = .009, 1.74-fold change); (4) when data from third-trimester samples were compared, overall differences in syndecan-1 MoM values between cases and controls were slightly larger (p = .03, 1.36- fold change), which were especially contributed to by cases with a positive blood culture (p = .023, fold change 1.79-fold change). CONCLUSIONS Plasma syndecan-1 concentration is higher in pregnant women and increases as a function of gestational age. Patients with acute pyelonephritis have a higher plasma concentration of syndecan-1, and this is particularly the case in the presence of bacteremia.
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Affiliation(s)
- Timothy Immonen
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Eunjung Jung
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Dahiana M Gallo
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Gynecology and Obstetrics, Universidad del Valle, Cali, Colombia
| | - Ramiro Diaz-Primera
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Francesca Gotsch
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Peter Whittaker
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Nandor Gabor Than
- Systems Biology of Reproduction Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary.,Maternity Private Clinic, Budapest, Hungary
| | - Mariachiara Bosco
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Adi L Tarca
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, USA
| | - Manaphat Suksai
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA.,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA.,Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA.,Detroit Medical Center, Detroit, MI, USA
| | - Tinnakorn Chaiworapongsa
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
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5
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Motomura K, Miller D, Galaz J, Liu TN, Romero R, Gomez-Lopez N. The effects of progesterone on immune cellular function at the maternal-fetal interface and in maternal circulation. J Steroid Biochem Mol Biol 2023; 229:106254. [PMID: 36681283 PMCID: PMC10038932 DOI: 10.1016/j.jsbmb.2023.106254] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023]
Abstract
Progesterone is a sex steroid hormone that plays a critical role in the establishment and maintenance of pregnancy. This hormone drives numerous maternal physiological adaptations to ensure the continuation of pregnancy and to facilitate fetal growth, including broad and potent modulation of the maternal immune system to promote maternal-fetal tolerance. In this brief review, we provide an overview of the immunomodulatory functions of progesterone in the decidua, placenta, myometrium, and maternal circulation during pregnancy. Specifically, we summarize current evidence of the regulated functions of innate and adaptive immune cells induced by progesterone and its downstream effector molecules in these compartments, including observations in human pregnancy and in animal models. Our review highlights the gaps in knowledge of interactions between progesterone and maternal cellular immunity that may direct future research.
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Affiliation(s)
- Kenichiro Motomura
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Derek Miller
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Jose Galaz
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA; Division of Obstetrics and Gynecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | - Tzu Ning Liu
- Wayne State University School of Medicine, Detroit, MI, USA
| | - Roberto Romero
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA; Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA; Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA; Detroit Medical Center, Detroit, MI, USA
| | - Nardhy Gomez-Lopez
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA; Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA; Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, MI, USA.
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6
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Motomura K, Hara M, Ito I, Morita H, Matsumoto K. Roles of human trophoblasts' pattern recognition receptors in host defense and pregnancy complications. J Reprod Immunol 2023; 156:103811. [PMID: 36669386 DOI: 10.1016/j.jri.2023.103811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 12/24/2022] [Accepted: 01/12/2023] [Indexed: 01/14/2023]
Abstract
The immune system in pregnancy is able to protect pregnant mothers and fetuses from pathogenic microorganisms even while permitting the mother to tolerate the semi-allogenic fetus. Trophoblasts, which are fetal-derived placental cells, play a central role on both sides of this duality at the maternal-fetal interface. In brief, the trophoblasts express pattern recognition receptors (PRRs) and are involved in the local innate immune response in the placenta. That response eliminates pathogenic microbes but also causes tissue damage. In this review, we summarize the research findings to date regarding the roles of those human trophoblast PRRs. Multiple types of PRRs (Toll-like receptors, Nod-like receptors, and RIG-I-like receptors) are expressed in the placenta and on trophoblasts. Trophoblasts' PRRs participate in protecting the fetus against viruses, bacteria, and parasites by triggering production of proinflammatory cytokines and chemokines in the placenta. On the negative side, PRR signaling in trophoblasts can also initiate inflammation and trophoblast cell death, which can lead to placental inflammation-associated pregnancy complications such as preeclampsia, anti-phospholipid antibody syndrome, and miscarriage. Further elucidation of these dual roles of trophoblasts' PRRs may shed light on the mechanisms by which fetuses are protected against congenital infections and also give us a better understanding of the etiologies of pregnancy complications, which can help us prevent/reduce adverse prenatal/neonatal outcomes.
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Affiliation(s)
- Kenichiro Motomura
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan; Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo 157-8535, Japan.
| | - Mariko Hara
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan; Department of Otorhinolaryngology, National Center for Child Health and Development, Tokyo 157-8535, Japan
| | - Ikuyo Ito
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan; Department of Pediatrics, School of Medicine, Yokohama City University, Kanagawa 236-0004, Japan
| | - Hideaki Morita
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan; Allergy Center, National Center for Child Health and Development, Tokyo 157-8535, Japan
| | - Kenji Matsumoto
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan.
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7
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Sacks G, Zhang J. Prednisolone and enoxaparin (clexane) therapy ('the Bondi protocol') for repeated IVF failure. Am J Reprod Immunol 2022; 88:e13616. [PMID: 36067527 PMCID: PMC9788304 DOI: 10.1111/aji.13616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 06/13/2022] [Accepted: 08/15/2022] [Indexed: 12/30/2022] Open
Abstract
PROBLEM What is the impact of an empirical immune therapy protocol of prednisolone and enoxaparin (clexane) (the 'Bondi protocol') on women with repeated in vitro fertilization (IVF) failure? METHOD OF STUDY This was a retrospective review of live birth outcomes conducted on all transfer cycles performed by a single clinician (GS) at IVFAustralia between February 2016 and April 2020. This study consisted of 1786 transfer cycles, including 460 cycles treated with the Bondi protocol and 1326 without. Women with repeated IVF failure were given the Bondi protocol based on blood NK cell activity. Primary outcome was live birth and statistical analysis was performed with GraphPad Prism software with significance for P-values < .05. RESULTS Overall 'Bondi' and 'normal' protocol cycles had similar rates of IVF/ICSI, fresh/frozen transfers and use of preimplantation genetic testing (PGT). Women given the Bondi protocol were older, had more previous cycles and had higher blood NK cell activity. There was no significant difference in live birth rates (Bondi 26%, normal 28%). Bondi protocol live birth rates per transfer cycle were as high as 40% in patients under 38 years old. The Bondi protocol was more effective as NK activity increased from 'normal' to 'borderline' to 'high'. For high NK cell activity levels, live birth rates were over four times higher for women on the Bondi protocol (28%) than those on normal protocols (6%, P = .0007). CONCLUSION This study describes a simple and relatively safe immune therapy protocol that may improve IVF success rates in women with evidence of immune dysfunction.
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Affiliation(s)
- Gavin Sacks
- IVFAustraliaSydneyAustralia,Department of Women’s and Children’s HealthUniversity of New South WalesSydneyAustralia,St George Hospital and Royal Hospital for WomenSydneyAustralia
| | - Jessica Zhang
- Department of Women’s and Children’s HealthUniversity of New South WalesSydneyAustralia
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8
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A dynamic peripheral immune landscape during human pregnancy. FUNDAMENTAL RESEARCH 2022. [DOI: 10.1016/j.fmre.2022.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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9
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Ghamrawi R, Velickovic I, Milicevic O, White WM, Thistlethwaite LR, Cunningham JM, Milosavljevic A, Milic NM, Garovic VD. Buffy Coat DNA Methylation Profile Is Representative of Methylation Patterns in White Blood Cell Types in Normal Pregnancy. Front Bioeng Biotechnol 2022; 9:782843. [PMID: 35071203 PMCID: PMC8766967 DOI: 10.3389/fbioe.2021.782843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/09/2021] [Indexed: 12/13/2022] Open
Abstract
Background: We aimed to assess the extent to which the buffy coat DNA methylome is representative of methylation patterns in constitutive white blood cell (WBC) types in normal pregnancy. Methods: A comparison of differential methylation of buffy coat DNA vs DNA isolated from polymorphonuclear (PMN) and lymphocytic fractions was performed for each blood sample obtained within 24 h prior to delivery from 29 normotensive pregnant women. Methylation profiles were obtained using an Illumina Human Methylation 450 BeadChip and CHaMP bioinformatics pipeline. A subset of differentially methylated probes (DMPs) showing discordant methylation were further investigated using statistical modeling and enrichment analysis. Results: The smallest number of DMPs was found between the buffy coat and the PMN fraction (2.96%). Pathway enrichment analysis of the DMPs identified biological pathways involved in the particular leukocyte lineage, consistent with perturbations during isolation. The comparisons between the buffy coat and the isolated fractions as a group using linear modeling yielded a small number of probes (∼29,000) with discordant methylation. Demethylation of probes in the buffy coat compared to derived cell lines was more common and was prevalent in shelf and open sea regions. Conclusion: Buffy coat is representative of methylation patterns in WBC types in normal pregnancy. The differential methylations are consistent with perturbations during isolation of constituent cells and likely originate in vitro due to the physical stress during cell separation and are of no physiological relevance. These findings help the interpretation of DNA methylation profiling in pregnancy and numerous other conditions.
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Affiliation(s)
- Ranine Ghamrawi
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Igor Velickovic
- Department of Medical Statistics and Informatics, Medical Faculty University of Belgrade, Belgrade, Serbia
| | - Ognjen Milicevic
- Department of Medical Statistics and Informatics, Medical Faculty University of Belgrade, Belgrade, Serbia
| | - Wendy M White
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, United States.,Department of Perinatology, Olmsted Medical Center, Rochester, MN, United States
| | | | - Julie M Cunningham
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Aleksandar Milosavljevic
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, United States
| | - Natasa M Milic
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, United States.,Department of Medical Statistics and Informatics, Medical Faculty University of Belgrade, Belgrade, Serbia
| | - Vesna D Garovic
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, United States.,Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, United States
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10
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Ravi M, Bernabe B, Michopoulos V. Stress-Related Mental Health Disorders and Inflammation in Pregnancy: The Current Landscape and the Need for Further Investigation. Front Psychiatry 2022; 13:868936. [PMID: 35836664 PMCID: PMC9273991 DOI: 10.3389/fpsyt.2022.868936] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/30/2022] [Indexed: 11/29/2022] Open
Abstract
Many studies have focused on psychoimmunological mechanisms of risk for stress-related mental health disorders. However, significantly fewer studies have focused on understanding mechanisms of risk for stress-related disorders during pregnancy, a period characterized by dramatic changes in both the innate and adaptive immune systems. The current review summarizes and synthesizes the extant literature on the immune system during pregnancy, as well as the sparse existing evidence highlighting the associations between inflammation and mood, anxiety, and fear-related disorders in pregnancy. In general, pregnant persons demonstrate lower baseline levels of systemic inflammation, but respond strongly when presented with an immune challenge. Stress and trauma exposure may therefore result in strong inflammatory responses in pregnant persons that increases risk for adverse behavioral health outcomes. Overall, the existing literature suggests that stress, trauma exposure, and stress-related psychopathology are associated with higher levels of systemic inflammation in pregnant persons, but highlight the need for further investigation as the existing data are equivocal and vary based on which specific immune markers are impacted. Better understanding of the psychoimmunology of pregnancy is necessary to reduce burden of prenatal mental illness, increase the likelihood of a successful pregnancy, and reduce the intergenerational impacts of prenatal stress-related mental health disorders.
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Affiliation(s)
- Meghna Ravi
- Graduate Division of Biological and Biomedical Sciences, Laney Graduate School, Emory University, Atlanta, GA, United States
| | - Brandy Bernabe
- Graduate Division of Biological and Biomedical Sciences, Laney Graduate School, Emory University, Atlanta, GA, United States
| | - Vasiliki Michopoulos
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, United States.,Emory National Primate Research Center, Atlanta, GA, United States
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11
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Ozeki A, Oogaki Y, Henmi Y, Karasawa T, Takahashi M, Takahashi H, Ohkuchi A, Shirasuna K. Elevated S100A9 in preeclampsia induces soluble endoglin and IL-1β secretion and hypertension via the NLRP3 inflammasome. J Hypertens 2022; 40:84-93. [PMID: 34412079 DOI: 10.1097/hjh.0000000000002981] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Maternal systemic and placental inflammatory responses participate in the pathogenesis of hypertensive disorders of pregnancy including preeclampsia, a pregnancy-specific syndrome, although the role of inflammation remains unclear. The NLRP3 inflammasome has been implicated in the control of sterile inflammation involved in preeclampsia. In the present study, we hypothesized that S100A9, as major alarmin, are associated with the pathogenesis of preeclampsia and induction of a preeclampsia-like phenotype in pregnant mice. METHODS Plasma were taken from normal pregnant women and preeclampsia patients. Human placental tissues, trophoblast cell line Sw.71 cells, and human umbilical vein endothelial cells (HUVEC) were treated with S100A9 with or without inhibitors associated with NLRP3 inflammasome. Pregnant mice were administered S100A9. RESULTS S100A9 was elevated in plasma and released from placentas of preeclampsia patients. S100A9 activated the NLRP3 inflammasome, resulting in IL-1β secretion, by human placental tissues and trophoblasts. In addition, secretion of soluble endoglin, a main contributor to the pathogenesis of preeclampsia, is regulated via S100A9-stimulated NLRP3 inflammasome activation in the human placenta and HUVECs. S100A9 administration significantly elevated maternal blood pressure and neutrophil accumulation within the placentas of pregnant mice, and both were significantly decreased in Nlrp3-knock out pregnant mice. CONCLUSION The results of this study demonstrated that S100A9 acts as a danger signal to activate the NLRP3 inflammasome in the placenta, associating with hypertension during pregnancy.
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Affiliation(s)
- Ayae Ozeki
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Atsugi, Kanagawa
| | - Yuka Oogaki
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Atsugi, Kanagawa
| | - Yuka Henmi
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Atsugi, Kanagawa
| | | | | | - Hironori Takahashi
- Department of Obstetrics and Gynecology, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Akihide Ohkuchi
- Department of Obstetrics and Gynecology, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Koumei Shirasuna
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Atsugi, Kanagawa
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12
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Heurich M, Föcking M, Mongan D, Cagney G, Cotter DR. Dysregulation of complement and coagulation pathways: emerging mechanisms in the development of psychosis. Mol Psychiatry 2022; 27:127-140. [PMID: 34226666 PMCID: PMC8256396 DOI: 10.1038/s41380-021-01197-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 06/04/2021] [Accepted: 06/10/2021] [Indexed: 02/06/2023]
Abstract
Early identification and treatment significantly improve clinical outcomes of psychotic disorders. Recent studies identified protein components of the complement and coagulation systems as key pathways implicated in psychosis. These specific protein alterations are integral to the inflammatory response and can begin years before the onset of clinical symptoms of psychotic disorder. Critically, they have recently been shown to predict the transition from clinical high risk to first-episode psychosis, enabling stratification of individuals who are most likely to transition to psychotic disorder from those who are not. This reinforces the concept that the psychosis spectrum is likely a central nervous system manifestation of systemic changes and highlights the need to investigate plasma proteins as diagnostic or prognostic biomarkers and pathophysiological mediators. In this review, we integrate evidence of alterations in proteins belonging to the complement and coagulation protein systems, including the coagulation, anticoagulation, and fibrinolytic pathways and their dysregulation in psychosis, into a consolidated mechanism that could be integral to the progression and manifestation of psychosis. We consolidate the findings of altered blood proteins relevant for progression to psychotic disorders, using data from longitudinal studies of the general population in addition to clinical high-risk (CHR) individuals transitioning to psychotic disorder. These are compared to markers identified from first-episode psychosis and schizophrenia as well as other psychosis spectrum disorders. We propose the novel hypothesis that altered complement and coagulation plasma levels enhance their pathways' activating capacities, while low levels observed in key regulatory components contribute to excessive activation observed in patients. This hypothesis will require future testing through a range of experimental paradigms, and if upheld, complement and coagulation pathways or specific proteins could be useful diagnostic or prognostic tools and targets for early intervention and preventive strategies.
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Affiliation(s)
- Meike Heurich
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK.
| | - Melanie Föcking
- grid.4912.e0000 0004 0488 7120Department of Psychiatry, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - David Mongan
- grid.4912.e0000 0004 0488 7120Department of Psychiatry, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Gerard Cagney
- grid.7886.10000 0001 0768 2743School of Biomolecular and Biomedical Science, Conway Institute, University College Dublin, Dublin, Ireland
| | - David R. Cotter
- grid.4912.e0000 0004 0488 7120Department of Psychiatry, Royal College of Surgeons in Ireland, Dublin, Ireland
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13
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Waller JP, Howell JA, Peterson H, George EM, Bidwell GL. Elastin-Like Polypeptide: VEGF-B Fusion Protein for Treatment of Preeclampsia. Hypertension 2021; 78:1888-1901. [PMID: 34719237 PMCID: PMC8585700 DOI: 10.1161/hypertensionaha.121.17713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 09/30/2021] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Jamarius P. Waller
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
| | - John Aaron Howell
- Department of Neurology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
| | - Hali Peterson
- Department of Medicine, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
| | - Eric M. George
- Department of Physiology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
- Department of Cell and Molecular Biology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
| | - Gene L. Bidwell
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
- Department of Neurology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
- Department of Cell and Molecular Biology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS. 39216
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14
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Hematological Profile of Pregnant Women with Suspected Zika Virus Infection Followed Up at a Referral Service in Manaus, Brazil. Viruses 2021; 13:v13040710. [PMID: 33923877 PMCID: PMC8072789 DOI: 10.3390/v13040710] [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: 03/03/2021] [Revised: 03/24/2021] [Accepted: 04/07/2021] [Indexed: 11/17/2022] Open
Abstract
The purpose of this paper is to describe the hematological profile of pregnant women with suspected Zika virus (ZIKV) infection followed up at a reference service for infectious diseases in Manaus, Brazil, through a clinical, epidemiological, cross-sectional study of pregnant women with an exanthematic manifestation who looked for care between 2015 and 2017. The participants were 499 pregnant women, classified into four subgroups, according to laboratory confirmation of infections: ZIKV-positive; ZIKV-positive and positive for another infection; positive for another infection but not ZIKV-positive; and not positive for any of the infections investigated. Hematological parameters were analyzed descriptively. The association between maternal infection and the hematological profile, along with the association between the maternal hematological profile and the gestational outcome, were tested. Similar hematic and platelet parameters were observed among pregnant women. However, a significant association was observed between low maternal lymphocyte count and a positive diagnosis for ZIKV (p < 0.001). The increase in maternal platelet count and the occurrence of unfavorable gestational outcome were positively associated. A similar hematic and platelet profile was identified among pregnant women, differing only in the low lymphocyte count among ZIKV-positive pregnant women. Regarding gestational outcomes, in addition to the damage caused by ZIKV infection, altered maternal platelets may lead to unfavorable outcomes, with the need for adequate follow-up during prenatal care.
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15
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Forsberg A, Abrahamsson TR, Nilsson L, Ernerudh J, Duchén K, Jenmalm MC. Changes in peripheral immune populations during pregnancy and modulation by probiotics and ω-3 fatty acids. Sci Rep 2020; 10:18723. [PMID: 33127947 PMCID: PMC7599237 DOI: 10.1038/s41598-020-75312-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 10/07/2020] [Indexed: 02/08/2023] Open
Abstract
Allergic diseases have become a major health problem, partly due to reduced microbial stimulation and a decreased dietary ω-3/ω-6 long-chain polyunsaturated fatty acid ratio. Prenatal exposures have been reported to influence allergy development, possibly induced via changes in maternal immune regulation. In a randomized double-blind placebo-controlled multicenter allergy prevention trial (PROOM-3), pregnant women were recruited at gestational week 20, and randomized to four study groups, one receiving both L. reuteri oil drops and ω-3 PUFA capsules (n = 22), the second receiving ω-3 PUFA supplementation and placebo regarding L. reuteri (n = 21), the third receiving L. reuteri and placebo regarding ω-3 PUFA (n = 22) and the fourth group receiving placebo capsules and placebo oil drops (n = 23). In this substudy, supplemental and pregnancy-related effects on maternal peripheral immune cell populations during pregnancy were assessed by flow cytometry immune phenotyping at gestational week 20, 32 and 4 days after delivery. The numbers of activated and regulatory T (Treg) cells (CD45RA− Foxp3++/CD45RA+Foxp3+) were reduced after delivery, with the lowest count in the L. reuteri supplemented group compared with the placebo group 4 days after delivery, while the ω-3 PUFA group did not differ from the placebo group. Several treatment-independent changes were observed during and after pregnancy in lymphocytes (CD4+/8+/19+/56+/45RA+/−), CD14+16+/− monocytes, and in subpopulations of T helper cells (Th) CD4+CD45RA−Tbet+ (Th1) and CD4+CD45RA−RORC+ (Th17) cells. In conclusion, probiotic supplementation to the mother during the second half of pregnancy resulted in immunomodulatory effects among activated and resting Treg cells. Furthermore, several systemic immune modifying effects of pregnancy were observed.
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Affiliation(s)
- A Forsberg
- Division of Neuro and Inflammation Sciences, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
| | - T R Abrahamsson
- Department of Paediatrics, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - L Nilsson
- Department of Clinical and Experimental Medicine, Allergy Centre, Linköping University, Linköping, Sweden
| | - J Ernerudh
- Department of Clinical Immunology and Transfusion Medicine, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - K Duchén
- Department of Paediatrics, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - M C Jenmalm
- Division of Neuro and Inflammation Sciences, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
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16
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Motomura K, Romero R, Tarca AL, Galaz J, Bhatti G, Done B, Arenas-Hernandez M, Levenson D, Slutsky R, Hsu CD, Gomez-Lopez N. Pregnancy-specific transcriptional changes upon endotoxin exposure in mice. J Perinat Med 2020; 48:700-722. [PMID: 32866128 PMCID: PMC8258803 DOI: 10.1515/jpm-2020-0159] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 05/27/2020] [Indexed: 12/26/2022]
Abstract
Objectives Pregnant women are more susceptible to certain infections; however, this increased susceptibility is not fully understood. Herein, systems biology approaches were utilized to elucidate how pregnancy modulates tissue-specific host responses to a bacterial product, endotoxin. Methods Pregnant and non-pregnant mice were injected with endotoxin or saline on 16.5 days post coitum (n=8-11 per group). The uterus, cervix, liver, adrenal gland, kidney, lung, and brain were collected 12 h after injection and transcriptomes were measured using microarrays. Heatmaps and principal component analysis were used for visualization. Differentially expressed genes between groups were assessed using linear models that included interaction terms to determine whether the effect of infection differed with pregnancy status. Pathway analysis was conducted to interpret gene expression changes. Results We report herein a multi-organ atlas of the transcript perturbations in pregnant and non-pregnant mice in response to endotoxin. Pregnancy strongly modified the host responses to endotoxin in the uterus, cervix, and liver. In contrast, pregnancy had a milder effect on the host response to endotoxin in the adrenal gland, lung, and kidney. However, pregnancy did not drastically affect the host response to endotoxin in the brain. Conclusions Pregnancy imprints organ-specific host immune responses upon endotoxin exposure. These findings provide insight into the host-response against microbes during pregnancy.
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Affiliation(s)
- Kenichiro Motomura
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan 48109, USA,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, Michigan 48824, USA,Center for Molecular Medicine and Genetics, Wayne State University, Detroit, Michigan 48201, USA,Detroit Medical Center, Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Florida International University, Miami, Florida, 33199, USA,Address correspondence to: Nardhy Gomez-Lopez, MSc, PhD, Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Perinatology Research Branch, NICHD/NIH/DHHS, 275 E. Hancock, Detroit, Michigan 48201, USA, Tel (313) 577-8904, ; . Roberto Romero, MD, D. Med. Sci., Perinatology Research Branch, NICHD/NIH/DHHS, Wayne State University/Hutzel Women’s Hospital 3990 John R, Box 4, Detroit, Michigan 48201, USA, Telephone: (313) 993-2700, Fax: (313) 993-2694,
| | - Adi L. Tarca
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA,Department of Computer Science, Wayne State University College of Engineering, Detroit, Michigan 48201, USA
| | - Jose Galaz
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
| | - Gaurav Bhatti
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
| | - Bogdan Done
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
| | - Marcia Arenas-Hernandez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
| | - Dustyn Levenson
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
| | - Rebecca Slutsky
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA
| | - Chaur-Dong Hsu
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA,Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
| | - Nardhy Gomez-Lopez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS); Bethesda, Maryland, 20892 and Detroit, Michigan 48201, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA,Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA,Address correspondence to: Nardhy Gomez-Lopez, MSc, PhD, Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Perinatology Research Branch, NICHD/NIH/DHHS, 275 E. Hancock, Detroit, Michigan 48201, USA, Tel (313) 577-8904, ; . Roberto Romero, MD, D. Med. Sci., Perinatology Research Branch, NICHD/NIH/DHHS, Wayne State University/Hutzel Women’s Hospital 3990 John R, Box 4, Detroit, Michigan 48201, USA, Telephone: (313) 993-2700, Fax: (313) 993-2694,
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17
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Nalla A, Ringholm L, Sørensen SN, Damm P, Mathiesen ER, Nielsen JH. Possible mechanisms involved in improved beta cell function in pregnant women with type 1 diabetes. Heliyon 2020; 6:e04569. [PMID: 32904239 PMCID: PMC7452446 DOI: 10.1016/j.heliyon.2020.e04569] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 06/11/2020] [Accepted: 07/23/2020] [Indexed: 12/31/2022] Open
Abstract
Pregnancy is known to be associated with an increased demand for insulin that is normally compensated by an increased beta cell mass and insulin secretion. Recent studies have suggested enhanced beta cell function during pregnancy in women with type 1 diabetes (T1D). To explore the possible mechanisms behind enhanced beta cell function during pregnancy in women with T1D we investigated the impact of circulating factors in serum from nine women from each group of pregnant women with and without T1D, after pregnancy and non-diabetic non-pregnant women on rat islet cell proliferation and apoptosis, and on T-lymphocyte activation. In addition, circulating levels of pancreatic hormones and selected cytokines and adipokines were measured. Rat islet cell proliferation was higher in serum from pregnant women with T1D (p < 0.05) compared to T1D women after pregnancy. Apoptosis in INS-1E cell was lower (p < 0.05) in serum from pregnant women with T1D compared to T1D women after pregnancy. T-lymphocyte cell (Jurkat) proliferation was reduced by serum from pregnant women without T1D only (p < 0.05). Higher C-peptide levels and lower levels of ghrelin, IL-6, MCP-1, IL-8 and adipsin were observed in pregnant women with T1D compared to T1D women after pregnancy. In conclusion, the improved beta cell function in women with T1D during pregnancy may be due to lower levels of proinflammatory cytokines and/or higher levels of pregnancy-associated growth factors.
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Affiliation(s)
- Amarnadh Nalla
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
- Corresponding author.
| | - Lene Ringholm
- Center for Pregnant Women with Diabetes, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
- Departments of Endocrinology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Susanne Nørskov Sørensen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Peter Damm
- Center for Pregnant Women with Diabetes, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
- Departments of Obstetrics, Rigshospitalet, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Elisabeth Reinhardt Mathiesen
- Center for Pregnant Women with Diabetes, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
- Departments of Endocrinology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Jens Høiriis Nielsen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
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18
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Sacks G, Finkelstein E. Natural killer cells and reproductive success. Am J Reprod Immunol 2020; 85:e13291. [DOI: 10.1111/aji.13291] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 06/15/2020] [Indexed: 12/30/2022] Open
Affiliation(s)
- Gavin Sacks
- IVFAustralia Sydney Australia
- University of New South Wales Sydney Australia
- St George hospital and Royal Hospital for Women Sydney Australia
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19
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Wang Q, Liu F, Zhao Y, Cui B, Ban Y. Can neutrophil-to-lymphocyte and monocyte-to-lymphocyte ratios be useful markers for predicting missed abortion in the first trimester of pregnancy? J Obstet Gynaecol Res 2020; 46:1702-1710. [PMID: 32588480 DOI: 10.1111/jog.14349] [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: 11/08/2019] [Revised: 04/22/2020] [Accepted: 05/23/2020] [Indexed: 01/04/2023]
Abstract
AIM To explore whether neutrophil-to-lymphocyte ratio (NLR) and monocyte-to-lymphocyte ratio (MLR) could predict missed abortion (MA) at 7-13 week's gestation. METHODS A total of 363 women with a diagnosis of MA and 232 women with normal pregnancy at 7-13 week's gestation, who visited our hospital from June 2012 to May 2018 were retrospectively analyzed. At 7 week's gestation, total and differential leukocyte counts, NLR and MLR were compared between women with MA (n = 69) and normal controls (n = 53). The receiver operating characteristic curve was used to select the optimal indicator and its cut-off point. The role of the optimal indicator was further assessed at 8-13 week's gestation. RESULTS The mean white blood cell counts, the mean neutrophil counts, the median monocyte counts, the mean NLR and the median MLR in women with MA were significantly lower than those in normal controls (P < 0.05, respectively).The neutrophil counts had the highest area under the curve (AUC) value of 0.772 (95% confidence interval 0.675-0.869) with a cut-off value of 4.870 × 109 /L, and the sensitivity was 72.46%, the specificity was 69.81%, positive predictive value was 75.76%, and negative predictive value was 66.07%. In addition, the neutrophil counts were also significantly lower in MA groups than those in normal controls at 8-13 week's gestation, and all had the highest AUC values. CONCLUSION Neutrophil counts may predict MA in the first trimester of pregnancy, which may provide a promising marker to diagnose missed abortion as early as 7 week's gestation.
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Affiliation(s)
- Qingjie Wang
- Institute of Basic Medical Sciences, Qilu Hospital, Shandong University, Jinan, China
| | - Fen Liu
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
| | - Ying Zhao
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
| | - Baoxia Cui
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
| | - Yanli Ban
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
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20
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Lind CM, Agugliaro J, Farrell TM. The metabolic response to an immune challenge in a viviparous snake, Sistrurus miliarius. J Exp Biol 2020; 223:jeb225185. [PMID: 32321747 DOI: 10.1242/jeb.225185] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 04/15/2020] [Indexed: 08/26/2023]
Abstract
Mounting an immune response may be energetically costly and require the diversion of resources away from other physiological processes. Yet, both the metabolic cost of immune responses and the factors that impact investment priorities remain poorly described in many vertebrate groups. For example, although viviparity has evolved many times in vertebrates, the relationship between immune function and pregnancy has been disproportionately studied in placental mammals. To examine the energetic costs of immune activation and the modulation of immune function during pregnancy in a non-mammalian vertebrate, we elicited an immune response in pregnant and non-pregnant pygmy rattlesnakes, Sistrurus miliarius, using lipopolysaccharide (LPS). Resting metabolic rate (RMR) was measured using flow-through respirometry. Immune function was examined using bactericidal assays and leukocyte counts. The RMR of pygmy rattlesnakes increased significantly in response to LPS injection. There was no statistically significant difference in the metabolic response of non-reproductive and pregnant snakes to LPS. Mean metabolic increments for pregnant females, non-reproductive females, and males were 13%, 18% and 26%, respectively. The ratio of heterophils to lymphocytes was elevated in response to LPS across reproductive categories; however, LPS did not impact plasma bactericidal ability in non-reproductive snakes. Although pregnant females had significantly higher plasma bactericidal ability compared with non-reproductive snakes prior to manipulation, their bactericidal ability declined in response to LPS. LPS administration also significantly reduced several litter characteristics, particularly when administrated relatively early in pregnancy. Our results indicate that immune performance is energetically costly and is altered during pregnancy, and that immune activation during pregnancy may result in tradeoffs that affect offspring in a viviparous reptile.
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Affiliation(s)
- Craig M Lind
- School of Natural Science and Mathematics, Stockton University, Galloway, NJ 08205, USA
| | - Joseph Agugliaro
- Department of Biological Sciences, Fairleigh Dickinson University, Madison, NJ 07940, USA
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21
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Trevelline BK, MacLeod KJ, Langkilde T, Kohl KD. Gestation alters the gut microbiota of an oviparous lizard. FEMS Microbiol Ecol 2020; 95:5519851. [PMID: 31210275 DOI: 10.1093/femsec/fiz086] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 06/10/2019] [Indexed: 12/16/2022] Open
Abstract
Mammalian pregnancy can alter the diversity, membership and structure of the maternal gut microbiota, but it is unclear whether this phenomenon occurs in vertebrates with different reproductive strategies. We conducted 16S rRNA bacterial inventories to investigate whether oviparous lizards exhibit shifts in gut microbiota similar to those observed in mammals. Using wild-caught eastern fence lizards from Alabama, USA, we collected and extracted fecal DNA from gravid and non-gravid individuals over 54 days in captivity. We predicted that, like mammals, the alpha diversity of lizard gut microbiota would decrease over gestation, and that inter-individual variation in community composition would increase. Indeed, we found that individuals in late-gestation harbored lower gut bacterial richness compared to non-gravid females. Lizard gut microbial communities of late-gestational females exhibited higher pairwise distances for both community membership and community structure compared to earlier gestation stages, indicating a higher degree of inter-individual variation as gestation progressed. Additionally, we found that the relative abundance and prevalence of the candidate phylum Melainabacteria tended to decrease over the course of gestation. While the consequences of these specific alterations are unknown, our results suggest that a general restructuring of gut microbial communities over gestation may be widespread across vertebrate reproductive strategies.
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Affiliation(s)
- Brian K Trevelline
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Kirsty J MacLeod
- Department of Biology, The Pennsylvania State University, University Park, PA, 16801, USA.,Department of Ecosystem Science and Management, The Pennsylvania State University, University Park, PA, 16801, USA
| | - Tracy Langkilde
- Department of Biology, The Pennsylvania State University, University Park, PA, 16801, USA
| | - Kevin D Kohl
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA
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22
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Pflitsch C, Feldmann CN, Richert L, Hagen S, Diemert A, Goletzke J, Hecher K, Jazbutyte V, Renné T, Arck PC, Altfeld M, Ziegler S. In-depth characterization of monocyte subsets during the course of healthy pregnancy. J Reprod Immunol 2020; 141:103151. [PMID: 32531656 DOI: 10.1016/j.jri.2020.103151] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/12/2020] [Accepted: 05/15/2020] [Indexed: 10/24/2022]
Abstract
Pregnancy represents an immunological challenge for the maternal immune system. Pregnancy augments innate immune responses, and particularly monocytes contribute to maintaining the balance between pro- and anti-inflammatory immune responses required for the successful sequence of distinct immunological phases throughout pregnancy. Nonetheless, studies that focus on the heterogeneity of monocytes and analyze the alteration of monocyte subsets in a longitudinal approach throughout healthy pregnancies have remained scarce. In this study, we characterized the gradual phenotypic changes of monocyte subsets and the secretory potential of bulk monocytes in peripheral blood mononuclear cells of healthy pregnant women from a population-based prospective birth cohort study. Blood samples at predefined time points were analyzed using flow cytometry for in-depth characterization of monocyte subsets, which confirmed a shift from classical towards intermediate monocytes throughout pregnancy. Principal component analysis revealed characteristic phenotypic changes on monocyte subsets, especially on the intermediate monocyte subset, throughout pregnancy. Pregnancy-related hormones were measured in serum and β-human chorionic gonadotropin levels were significantly associated with expression of CD11b, CD116 and CCR2 on monocyte subsets. TLR4 and TLR7/8 stimulation of monocytes furthermore showed reduced polycytokine production towards the end of pregnancy. These data provide a comprehensive overview of phenotypic changes and secretory potential of monocytes in healthy pregnant women and establish a selective contribution of different monocyte subsets to healthy pregnancy. The results from this study therefore build a basis for future comparisons and evaluation of women with adverse pregnancy outcomes.
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Affiliation(s)
- Caroline Pflitsch
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Martinistraße 52, Hamburg 20251, Germany
| | - Cai Niklaas Feldmann
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Martinistraße 52, Hamburg 20251, Germany
| | - Laura Richert
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Martinistraße 52, Hamburg 20251, Germany; Université Bordeaux, ISPED, Centre INSERM U1219, Inria, SISTM, F-33000, Bordeaux, France; CHU de Bordeaux, pôle de santé publique, F-33000, Bordeaux, France
| | - Sven Hagen
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Martinistraße 52, Hamburg 20251, Germany
| | - Anke Diemert
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, Hamburg 20251, Germany
| | - Janina Goletzke
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, Hamburg 20251, Germany
| | - Kurt Hecher
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, Hamburg 20251, Germany
| | - Virginija Jazbutyte
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, Hamburg 20251, Germany
| | - Thomas Renné
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, Hamburg 20251, Germany
| | - Petra Clara Arck
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, Hamburg 20251, Germany
| | - Marcus Altfeld
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Martinistraße 52, Hamburg 20251, Germany
| | - Susanne Ziegler
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Martinistraße 52, Hamburg 20251, Germany.
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23
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Abstract
The prevalence of allergic disease has dramatically increased over the past 30 years in Westernized countries. It is unlikely that the rapid increase in the prevalence of allergic disease is the result of genetic changes, which highlights the importance of environmental factors in the development of allergic disease. The "hygiene hypothesis" was put forward in 1989 and focused attention on the notion that exposure to microbes and their products in early life can modify the risk for development of allergic disease. Infections were thought to polarize the immunological response toward a Th2-mediated immune response causing allergic disease. However, it is likely that the Th1/Th2 imbalance is too simplistic to explain the increased prevalence of allergic disease. Current research is focusing on understanding the role of T-regulatory cells in inducing a state of tolerance and the resulting modified Th2 response observed in natural and induced tolerance.
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Affiliation(s)
- Meinir G Jones
- Department of Occupational and Environmental Medicine, Imperial College London, London, UK.
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24
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Faas MM, Liu Y, Borghuis T, van Loo-Bouwman CA, Harmsen H, de Vos P. Microbiota Induced Changes in the Immune Response in Pregnant Mice. Front Immunol 2020; 10:2976. [PMID: 31998293 PMCID: PMC6962187 DOI: 10.3389/fimmu.2019.02976] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 12/04/2019] [Indexed: 01/14/2023] Open
Abstract
Pregnancy is associated with adaptations of the immune response and with changes in the gutmicrobiota. We hypothesized the gut microbiota are involved in inducing (part of) the immunological adaptations during pregnancy. To test this hypothesis, we collected feces from pregnant conventional mice before and during pregnancy (days 7, 14, and 18) and microbiota were measured using 16S RNA sequencing. At day 18, mice were sacrificed and splenic (various Th cell populations) and blood immune cells (monocyte subsets) were measured by flow cytometry. The data were compared with splenic and blood immune cell populations from pregnant (day 18) germfree mice and non-pregnant conventional and germfree mice. Finally, the abundances of the individual gut bacteria in the microbiota of each conventional pregnant mouse were correlated to the parameters of the immune response of the same mouse. The microbiota of conventional mice were significantly different at the end of pregnancy (day 18) as compared with pre-pregnancy (Permanova, p < 0.05). The Shannon index was decreased and the Firmicutes/Bacteroidetes ratio was increased (Friedman followed by Dunn's test, p < 0.05), while abundances of various species (such as Allobaculum stercoricanis, Barnesiella intestihominis, and Roseburia faecis) were significantly different at day 18 compared with pre-pregnancy. In pregnant conventional mice, the percentage of Th1 cells was decreased, while the percentages of Treg cells and Th2 cells were or tended to be increased vs. non-pregnant mice. In germfree mice, only the percentage of Th1 cells was decreased in pregnant vs. non-pregnant mice, with no effect of pregnancy on Treg and Th2 cells. The percentages of monocyte subsets were affected by pregnancy similarly in conventional and germfree mice. However, the activation status of monocytes (expression of CD80 and MHCII) was affected by pregnancy mainly in conventional mice, and not in germfree mice. Correlation (Spearman's coefficient) of pregnancy affected microbiota with pregnancy affected immune cells, i.e., immune cells that were only affected differently in conventional mice and germfree mice, showed 4 clusters of bacteria and 4 clusters of immune cells, some of these clusters were correlated with each other. For instance, the microbiota in cluster 1 and 2 (in which there were various short chain fatty acid producing microbiota) are positively correlated with immune cells in cluster B, containing Treg cells and Th2 cells. Microbiota and immune cells are affected by pregnancy in mice. The different immunological adaptations to pregnancy between conventional and germfree mice, such as the increase in Treg and tendency to an increase in Th2 cells in conventional pregnant mice only, may suggest that the microbiota may play a role in adapting the maternal immune response to pregnancy.
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Affiliation(s)
- Marijke M Faas
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Yuanrui Liu
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Theo Borghuis
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | | | - Hermie Harmsen
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Paul de Vos
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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25
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Wilson RL, Phillips JA, Bianco-Miotto T, McAninch D, Goh Z, Anderson PH, Roberts CT. Reduced Dietary Calcium and Vitamin D Results in Preterm Birth and Altered Placental Morphogenesis in Mice During Pregnancy. Reprod Sci 2020; 27:1330-1339. [PMID: 32046423 DOI: 10.1007/s43032-019-00116-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 11/20/2019] [Indexed: 12/18/2022]
Abstract
Vitamin D and calcium are essential micronutrients for reproductive success. Vitamin D deficiency during pregnancy is associated with increased risk of pregnancy complications including pre-eclampsia and preterm birth (PTB). However, inconsistencies in the literature reflect uncertainties regarding the true biological importance of vitamin D but may be explained by maternal calcium intakes. We aimed to determine whether low dietary consumption of calcium along with vitamin D deficiency had an additive effect on adverse pregnancy outcome by investigating placental morphogenesis and foetal growth in a mouse model. Female mice were randomly assigned to one of four diets: control-fed (+Ca+VD), reduced vitamin D only (+Ca-VD), reduced calcium only (-Ca+VD) and reduced calcium and vitamin D (-Ca-VD), and sacrificed at gestational day (GD) 18.5. Maternal serum 25-hydroxyvitamin D (25(OH)D3) levels were lower in each reduced diet group when compared with levels in +Ca+VD-fed mice. While the pregnancy rate did not differ between groups, in the -Ca-VD-fed group, 55% (5 out of 9 pregnant of known gestational age) gave birth preterm (<GD18.5). Of the -Ca-VD animals that gave birth at GD18.5, mean foetal weight increased by 8% when compared with +Ca+VD (P < 0.05) which was associated with increased placental efficiency (P = 0.05) as a result of changes to the placental labyrinth microstructure. In conclusion, we observed an interactive effect of low calcium and vitamin D intake that may impact offspring phenotype and preterm birth rate supporting the hypothesis that both calcium and vitamin D status are important for a successful pregnancy.
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Affiliation(s)
- Rebecca L Wilson
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, Australia.,Center for Fetal and Placental Research, Cincinnati Children's Hospital and Medical Centre, Cincinnati, OH, USA
| | - Jessica A Phillips
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, Australia
| | - Tina Bianco-Miotto
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, Australia.,School of Agriculture, Food and Wine, and Waite Research Institute, The University of Adelaide, Adelaide, South Australia, Australia
| | - Dale McAninch
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, Australia
| | - Zona Goh
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, Australia.,School of Agriculture, Food and Wine, and Waite Research Institute, The University of Adelaide, Adelaide, South Australia, Australia
| | - Paul H Anderson
- School of Pharmacy and Medical Sciences, Division of Health Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Claire T Roberts
- Robinson Research Institute, The University of Adelaide, Adelaide, South Australia, Australia. .,Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, Australia. .,University of Adelaide Health and Medical Sciences Building, 4 North Terrace, Adelaide, South Australia, 5000, Australia.
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26
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Shirasuna K, Karasawa T, Takahashi M. Role of the NLRP3 Inflammasome in Preeclampsia. Front Endocrinol (Lausanne) 2020; 11:80. [PMID: 32161574 PMCID: PMC7053284 DOI: 10.3389/fendo.2020.00080] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 02/07/2020] [Indexed: 12/14/2022] Open
Abstract
Reproduction involves tightly regulated series of events and the immune system is involved in an array of reproductive processes. Disruption of well-controlled immune functions leads to infertility, placental inflammation, and numerous pregnancy complications, including preeclampsia (PE). Inflammasomes are involved in the process of pathogen clearance and sterile inflammation. They are large multi-protein complexes that are located in the cytosol and play key roles in the production of the pivotal inflammatory cytokines, interleukin (IL)-1β and IL-18, and pyroptosis. The nucleotide-binding oligomerization domain, leucine-rich repeat-, and pyrin domain-containing 3 (NLRP3) inflammasome is a key mediator of sterile inflammation induced by various types of damage-associated molecular patterns (DAMPs). Recent evidence indicates that the NLRP3 inflammasome is involved in pregnancy dysfunction, including PE. Many DAMPs (uric acid, palmitic acid, high-mobility group box 1, advanced glycation end products, extracellular vesicles, cell-free DNA, and free fatty acids) are increased and associated with pregnancy complications, especially PE. This review focuses on the role of the NLRP3 inflammasome in the pathophysiology of PE.
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Affiliation(s)
- Koumei Shirasuna
- Department of Animal Science, Tokyo University of Agriculture, Atsugi, Japan
- *Correspondence: Koumei Shirasuna
| | - Tadayoshi Karasawa
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Masafumi Takahashi
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Japan
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Gomez-Lopez N, Romero R, Hassan SS, Bhatti G, Berry SM, Kusanovic JP, Pacora P, Tarca AL. The Cellular Transcriptome in the Maternal Circulation During Normal Pregnancy: A Longitudinal Study. Front Immunol 2019; 10:2863. [PMID: 31921132 PMCID: PMC6928201 DOI: 10.3389/fimmu.2019.02863] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 11/21/2019] [Indexed: 12/16/2022] Open
Abstract
Pregnancy represents a unique immunological state in which the mother adapts to tolerate the semi-allogenic conceptus; yet, the cellular dynamics in the maternal circulation are poorly understood. Using exon-level expression profiling of up to six longitudinal whole blood samples from 49 pregnant women, we undertook a systems biology analysis of the cellular transcriptome dynamics and its correlation with the plasma proteome. We found that: (1) chromosome 14 was the most enriched in transcripts differentially expressed throughout normal pregnancy; (2) the strongest expression changes followed three distinct longitudinal patterns, with genes related to host immune response (e.g., MMP8, DEFA1B, DEFA4, and LTF) showing a steady increase in expression from 10 to 40 weeks of gestation; (3) multiple biological processes and pathways related to immunity and inflammation were modulated during gestation; (4) genes changing with gestation were among those specific to T cells, B cells, CD71+ erythroid cells, natural killer cells, and endothelial cells, as defined based on the GNF Gene Expression Atlas; (5) the average expression of mRNA signatures of T cells, B cells, and erythroid cells followed unique patterns during gestation; (6) the correlation between mRNA and protein abundance was higher for mRNAs that were differentially expressed throughout gestation than for those that were not, and significant mRNA-protein correlations were observed for genes part of the T-cell signature. In summary, unique changes in immune-related genes were discovered by longitudinally assessing the cellular transcriptome in the maternal circulation throughout normal pregnancy, and positive correlations were noted between the cellular transcriptome and plasma proteome for specific genes/proteins. These findings provide insights into the immunobiology of normal pregnancy.
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Affiliation(s)
- Nardhy Gomez-Lopez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States
- Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, United States
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, United States
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, United States
- Detroit Medical Center, Detroit, MI, United States
- Department of Obstetrics & Gynecology, Florida International University, Miami, FL, United States
| | - Sonia S. Hassan
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States
- Department of Physiology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Gaurav Bhatti
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Stanley M. Berry
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Juan Pedro Kusanovic
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States
- Division of Obstetrics and Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Center for Research and Innovation in Maternal-Fetal Medicine (CIMAF), Department of Obstetrics and Gynecology, Sótero del Río Hospital, Santiago, Chile
| | - Percy Pacora
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Adi L. Tarca
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States
- Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, United States
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28
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Gil‐Villa AM, Alvarez AM, Velásquez‐Berrío M, Rojas‐López M, Cadavid J AP. Role of aspirin‐triggered lipoxin A4, aspirin, and salicylic acid in the modulation of the oxidative and inflammatory responses induced by plasma from women with pre‐eclampsia. Am J Reprod Immunol 2019; 83:e13207. [DOI: 10.1111/aji.13207] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 10/19/2019] [Accepted: 10/30/2019] [Indexed: 12/11/2022] Open
Affiliation(s)
- Aura María Gil‐Villa
- Grupo Reproducción Departamento de Microbiología y Parasitología Facultad de Medicina Universidad de Antioquia Medellín Colombia
| | - Angela M. Alvarez
- Grupo Reproducción Departamento de Microbiología y Parasitología Facultad de Medicina Universidad de Antioquia Medellín Colombia
- Red Iberoamericana de Alteraciones Vasculares Asociadas a Transtornos del Embarazo (RIVA‐TREM) Chillán Chile
| | - Manuela Velásquez‐Berrío
- Grupo Reproducción Departamento de Microbiología y Parasitología Facultad de Medicina Universidad de Antioquia Medellín Colombia
| | - Mauricio Rojas‐López
- Grupo de Inmunología Celular e Inmunogenética – Unidad de Citometría de Flujo Sede de Investigación Universitaria (SIU) Universidad de Antioquia Medellín Colombia
| | - Angela P. Cadavid J
- Grupo Reproducción Departamento de Microbiología y Parasitología Facultad de Medicina Universidad de Antioquia Medellín Colombia
- Red Iberoamericana de Alteraciones Vasculares Asociadas a Transtornos del Embarazo (RIVA‐TREM) Chillán Chile
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29
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Yeates AJ, McSorley EM, Mulhern MS, Spence T, Crowe W, Grzesik K, Thurston SW, Watson GE, Myers GJ, Davidson PW, Shamlaye CF, van Wijngaarden E, Strain JJ. Associations between maternal inflammation during pregnancy and infant birth outcomes in the Seychelles Child Development Study. J Reprod Immunol 2019; 137:102623. [PMID: 31710980 DOI: 10.1016/j.jri.2019.102623] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 10/11/2019] [Indexed: 01/18/2023]
Abstract
PROBLEM Markers of maternal inflammation may determine infant birth outcomes. METHOD OF STUDY Maternal serum samples were collected at 28 weeks gestation (n = 1418) in the Seychelles Child Development Study Nutrition Cohort 2 and analyzed for immune markers by MSD multiplex assay, including cytokines from the Th1 (IFN-γ, IL-1β, IL-2 and TNF-α) and Th2 (IL-4, IL-5, IL-10) subsets, with IL-6, MCP-1, TARC, sFlt-1 and VEGF-D. Associations of log-transformed immune markers with birthweight, length, head circumference and gestational age were assessed by multiple linear regression models, which were adjusted for maternal age, BMI, parity, child sex, gestational age and socioeconomic status. RESULTS Neither total Th1, Th2 nor Th1:Th2 were significantly associated with any birth outcome. However, the angiogenesis marker VEGF-D was predictive of a lower birthweight, (β = -0.058, P = 0.017) and birth length (β = -0.088, P = 0.001) after adjusting for covariates. Higher concentrations of CRP were predictive of a lower birthweight (β = -0.057, P = 0.023) and IL-2 (β = 0.073, P = 0.009) and the chemokine MCP-1 (β = 0.067, P = 0.016) were predictive of a longer gestational age. CONCLUSIONS In our cohort of healthy pregnant women, we found no evidence for associations between the Th1 or Th2 inflammatory markers with birth outcomes. However, VEGF-D and CRP appear to predict lower birthweight and IL-2 and MCP-1 a longer gestation. Greater understanding is required of the variation in these immune markers at different gestational stages, as well as the factors which may regulate their balance in healthy pregnancy. n = 233.
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Affiliation(s)
- A J Yeates
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, County Londonderry, BT52 1SA, UK.
| | - E M McSorley
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, County Londonderry, BT52 1SA, UK
| | - M S Mulhern
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, County Londonderry, BT52 1SA, UK
| | - T Spence
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, County Londonderry, BT52 1SA, UK
| | - W Crowe
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, County Londonderry, BT52 1SA, UK
| | - K Grzesik
- School of Medicine and Dentistry, University of Rochester, 601 Elmwood Avenue, Rochester, NY, 14642, United States
| | - S W Thurston
- School of Medicine and Dentistry, University of Rochester, 601 Elmwood Avenue, Rochester, NY, 14642, United States
| | - G E Watson
- School of Medicine and Dentistry, University of Rochester, 601 Elmwood Avenue, Rochester, NY, 14642, United States
| | - G J Myers
- School of Medicine and Dentistry, University of Rochester, 601 Elmwood Avenue, Rochester, NY, 14642, United States
| | - P W Davidson
- School of Medicine and Dentistry, University of Rochester, 601 Elmwood Avenue, Rochester, NY, 14642, United States
| | - C F Shamlaye
- Child Development Centre, Ministry of Health, Box 52, Victoria, MahÉ, Republic of Seychelles
| | - E van Wijngaarden
- School of Medicine and Dentistry, University of Rochester, 601 Elmwood Avenue, Rochester, NY, 14642, United States
| | - J J Strain
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, County Londonderry, BT52 1SA, UK
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30
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Magatti M, Stefani FR, Papait A, Cargnoni A, Masserdotti A, Silini AR, Parolini O. Perinatal Mesenchymal Stromal Cells and Their Possible Contribution to Fetal-Maternal Tolerance. Cells 2019; 8:E1401. [PMID: 31703272 PMCID: PMC6912620 DOI: 10.3390/cells8111401] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/31/2019] [Accepted: 11/03/2019] [Indexed: 12/11/2022] Open
Abstract
During pregnancy, a successful coexistence between the mother and the semi-allogenic fetus occurs which requires a dynamic immune system to guarantee an efficient immune protection against possible infections and tolerance toward fetal antigens. The mechanism of fetal-maternal tolerance is still an open question. There is growing in vitro and in vivo evidence that mesenchymal stromal cells (MSC) which are present in perinatal tissues have a prominent role in generating a functional microenvironment critical to a successful pregnancy. This review highlights the immunomodulatory properties of perinatal MSC and their impact on the major immune cell subsets present in the uterus during pregnancy, such as natural killer cells, antigen-presenting cells (macrophages and dendritic cells), and T cells. Here, we discuss the current understanding and the possible contribution of perinatal MSC in the establishment of fetal-maternal tolerance, providing a new perspective on the physiology of gestation.
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Affiliation(s)
- Marta Magatti
- Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy; (M.M.); (F.R.S.); (A.P.); (A.C.); (A.R.S.)
| | - Francesca Romana Stefani
- Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy; (M.M.); (F.R.S.); (A.P.); (A.C.); (A.R.S.)
| | - Andrea Papait
- Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy; (M.M.); (F.R.S.); (A.P.); (A.C.); (A.R.S.)
| | - Anna Cargnoni
- Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy; (M.M.); (F.R.S.); (A.P.); (A.C.); (A.R.S.)
| | - Alice Masserdotti
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Roma, Italy;
| | - Antonietta Rosa Silini
- Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy; (M.M.); (F.R.S.); (A.P.); (A.C.); (A.R.S.)
| | - Ornella Parolini
- Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy; (M.M.); (F.R.S.); (A.P.); (A.C.); (A.R.S.)
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, 00168 Roma, Italy;
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31
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Greer O, Shah NM, Sriskandan S, Johnson MR. Sepsis: Precision-Based Medicine for Pregnancy and the Puerperium. Int J Mol Sci 2019; 20:E5388. [PMID: 31671794 PMCID: PMC6861904 DOI: 10.3390/ijms20215388] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 10/25/2019] [Indexed: 12/18/2022] Open
Abstract
Sepsis contributes significantly to global morbidity and mortality, particularly in vulnerable populations. Pregnant and recently pregnant women are particularly prone to rapid progression to sepsis and septic shock, with 11% of maternal deaths worldwide being attributed to sepsis. The impact on the neonate is considerable, with 1 million neonatal deaths annually attributed to maternal infection or sepsis. Pregnancy specific physiological and immunological adaptations are likely to contribute to a greater impact of infection, but current approaches to the management of sepsis are based on those developed for the non-pregnant population. Pregnancy-specific strategies are required to optimise recognition and management of these patients. We review current knowledge of the physiology and immunology of pregnancy and propose areas of research, which may advance the development of pregnancy-specific diagnostic and therapeutic approaches to optimise the care of pregnant women and their babies.
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Affiliation(s)
- Orene Greer
- Imperial College London, Academic Department of Obstetrics & Gynaecology, Level 3, Chelsea & Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK.
- Chelsea & Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK.
| | - Nishel Mohan Shah
- Imperial College London, Academic Department of Obstetrics & Gynaecology, Level 3, Chelsea & Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK.
- Chelsea & Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK.
| | - Shiranee Sriskandan
- Imperial College London, NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Imperial College London, Hammersmith Campus, Du Cane Road, London W12 0NN, UK.
| | - Mark R Johnson
- Imperial College London, Academic Department of Obstetrics & Gynaecology, Level 3, Chelsea & Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK.
- Chelsea & Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK.
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32
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Ross KM, Carroll JE, Dunkel Schetter C, Hobel C, Cole SW. Pro-inflammatory immune cell gene expression during the third trimester of pregnancy is associated with shorter gestational length and lower birthweight. Am J Reprod Immunol 2019; 82:e13190. [PMID: 31529581 DOI: 10.1111/aji.13190] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/26/2019] [Accepted: 08/19/2019] [Indexed: 12/12/2022] Open
Abstract
PROBLEM Altered maternal immune function predicts risk for shorter gestation and low birthweight. Few studies examine associations between prenatal immune cell gene expression and gestational length or birthweight. No studies examine which cell types drive associations. The purpose of this study is to explore associations between peripheral blood immune cell gene expression and gestational length and birthweight, using transcript origin analysis. METHOD OF STUDY Eighty-nine women were drawn from the Community Child Health Network cohort. Third trimester maternal dried blood spots were used for genome-wide transcriptional (mRNA) profiling. Gestational length and birthweight were obtained from medical charts. Covariates were age, race/ethnicity, pre-pregnancy body mass index, smoking, gestational age at blood sampling, and pregnancy infections. Associations between gene expression profiles and gestational length and birthweight were tested using general linear models. The Transcription Element Listening System (TELiS) bioinformatics analysis quantified upstream transcription factor activity. Transcript origin analysis identified leukocyte subsets mediating observed effects. RESULTS Shorter gestation was predicted by increased NF-kB (TFBM ratio = -0.582 ± 0.172, P < .001) and monocyte activity (diagnosticity score = 0.172 ± 0.054, P < .001). Longer gestation was associated with increased dendritic cell activity (diagnosticity score = 0.194 ± 0.039, P < .001). Increased AP-1 activity predicted lower birthweight (TFBM ratio = -0.240 ± 0.111, P = .031). Dendritic cells and CD4+ and CD8+ T cells predicted birthweight-related gene expression differences (diagnosticity score P's < 0.021). CONCLUSION Higher third trimester pro-inflammatory gene expression predicted shorter gestation and lower birthweight. Variations in monocyte and dendritic cell biology contributed to both effects, and T-cell biology contributed to higher birthweight. These analyses clarify the role of myeloid/lymphoid lineage immune regulation in pregnancy outcomes.
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Affiliation(s)
- Kharah M Ross
- Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta
| | - Judith E Carroll
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California - Los Angeles, Los Angeles, California
| | | | - Calvin Hobel
- Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, Los Angeles, California
| | - Steve W Cole
- Department of Medicine and Psychiatry and Biobehavioral Sciences, University of California - Los Angeles, Los Angeles, California
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33
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Moon JM, Capra JA, Abbot P, Rokas A. Immune Regulation in Eutherian Pregnancy: Live Birth Coevolved with Novel Immune Genes and Gene Regulation. Bioessays 2019; 41:e1900072. [PMID: 31373044 DOI: 10.1002/bies.201900072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/03/2019] [Indexed: 11/05/2022]
Abstract
Novel regulatory elements that enabled expression of pre-existing immune genes in reproductive tissues and novel immune genes with pregnancy-specific roles in eutherians have shaped the evolution of mammalian pregnancy by facilitating the emergence of novel mechanisms for immune regulation over its course. Trade-offs arising from conflicting fitness effects on reproduction and host defenses have further influenced the patterns of genetic variation of these genes. These three mechanisms (novel regulatory elements, novel immune genes, and trade-offs) played a pivotal role in refining the regulation of maternal immune systems during pregnancy in eutherians, likely facilitating the establishment of prolonged direct maternal-fetal contact in eutherians without causing immunological rejection of the genetically distinct fetus.
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Affiliation(s)
- Jiyun M Moon
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, 37235, USA
| | - John A Capra
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, 37235, USA.,Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, 37235, USA.,Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, 37235, USA
| | - Patrick Abbot
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, 37235, USA
| | - Antonis Rokas
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, 37235, USA.,Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, 37235, USA.,Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, 37235, USA
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34
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Mohammadpour-Gharehbagh A, Jahantigh D, Eskandari M, Eskandari F, Rezaei M, Zeynali-Moghaddam S, Teimoori B, Salimi S. The role of TNF-α and TLR4 polymorphisms in the placenta of pregnant women complicated by preeclampsia and in silico analysis. Int J Biol Macromol 2019; 134:1205-1215. [DOI: 10.1016/j.ijbiomac.2019.05.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 05/05/2019] [Accepted: 05/06/2019] [Indexed: 11/16/2022]
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35
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Balogh A, Toth E, Romero R, Parej K, Csala D, Szenasi NL, Hajdu I, Juhasz K, Kovacs AF, Meiri H, Hupuczi P, Tarca AL, Hassan SS, Erez O, Zavodszky P, Matko J, Papp Z, Rossi SW, Hahn S, Pallinger E, Than NG. Placental Galectins Are Key Players in Regulating the Maternal Adaptive Immune Response. Front Immunol 2019; 10:1240. [PMID: 31275299 PMCID: PMC6593412 DOI: 10.3389/fimmu.2019.01240] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 05/16/2019] [Indexed: 12/12/2022] Open
Abstract
Galectins are potent immunomodulators that regulate maternal immune responses in pregnancy and prevent the rejection of the semi-allogeneic fetus that also occurs in miscarriages. We previously identified a gene cluster on Chromosome 19 that expresses a subfamily of galectins, including galectin-13 (Gal-13) and galectin-14 (Gal-14), which emerged in anthropoid primates. These galectins are expressed only by the placenta and induce the apoptosis of activated T lymphocytes, possibly contributing to a shifted maternal immune balance in pregnancy. The placental expression of Gal-13 and Gal-14 is decreased in preeclampsia, a life-threatening obstetrical syndrome partly attributed to maternal anti-fetal rejection. This study is aimed at revealing the effects of Gal-13 and Gal-14 on T cell functions and comparing the expression of these galectins in placentas from healthy pregnancies and miscarriages. First-trimester placentas were collected from miscarriages and elective termination of pregnancies, tissue microarrays were constructed, and then the expression of Gal-13 and Gal-14 was analyzed by immunohistochemistry and immunoscoring. Recombinant Gal-13 and Gal-14 were expressed and purified, and their effects were investigated on primary peripheral blood T cells. The binding of Gal-13 and Gal-14 to T cells and the effects of these galectins on apoptosis, activation marker (CD25, CD71, CD95, HLA-DR) expression and cytokine (IL-1β, IL-6, IL-8, IL-10, IFNγ) production of T cells were examined by flow cytometry. Gal-13 and Gal-14 are primarily expressed by the syncytiotrophoblast at the maternal-fetal interface in the first trimester, and their placental expression is decreased in miscarriages compared to first-trimester controls. Recombinant Gal-13 and Gal-14 bind to T cells in a population- and activation-dependent manner. Gal-13 and Gal-14 induce apoptosis of Th and Tc cell populations, regardless of their activation status. Out of the investigated activation markers, Gal-14 decreases the cell surface expression of CD71, Gal-13 increases the expression of CD25, and both galectins increase the expression of CD95 on T cells. Non-activated T cells produce larger amounts of IL-8 in the presence of Gal-13 or Gal-14. In conclusion, these results show that Gal-13 and Gal-14 already provide an immunoprivileged environment at the maternal-fetal interface during early pregnancy, and their reduced expression is related to miscarriages.
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Affiliation(s)
- Andrea Balogh
- Systems Biology of Reproduction Momentum Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary.,Department of Immunology, Eotvos Lorand University, Budapest, Hungary
| | - Eszter Toth
- Systems Biology of Reproduction Momentum Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Roberto Romero
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States.,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, United States.,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, United States.,Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, United States
| | - Katalin Parej
- Systems Biology of Reproduction Momentum Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary.,Structural Biophysics Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Diana Csala
- Systems Biology of Reproduction Momentum Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Nikolett L Szenasi
- Systems Biology of Reproduction Momentum Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Istvan Hajdu
- Structural Biophysics Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Kata Juhasz
- Systems Biology of Reproduction Momentum Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Arpad F Kovacs
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary
| | | | - Petronella Hupuczi
- Maternity Private Clinic of Obstetrics and Gynecology, Budapest, Hungary
| | - Adi L Tarca
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States.,Department of Computer Science, Wayne State University College of Engineering, Detroit, MI, United States
| | - Sonia S Hassan
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, United States.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, United States.,Department of Physiology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Offer Erez
- Division of Obstetrics and Gynecology, Maternity Department "D", Faculty of Health Sciences, Soroka University Medical Center, School of Medicine, Ben Gurion University of the Negev, Beer-Sheva, Israel
| | - Peter Zavodszky
- Structural Biophysics Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Janos Matko
- Department of Immunology, Eotvos Lorand University, Budapest, Hungary
| | - Zoltan Papp
- Maternity Private Clinic of Obstetrics and Gynecology, Budapest, Hungary.,Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - Simona W Rossi
- Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Sinuhe Hahn
- Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Eva Pallinger
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Nandor Gabor Than
- Systems Biology of Reproduction Momentum Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary.,Maternity Private Clinic of Obstetrics and Gynecology, Budapest, Hungary.,First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
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Wu LZ, Xiao XM. Evaluation of the effects of Uncaria rhynchophylla alkaloid extract on LPS-induced preeclampsia symptoms and inflammation in a pregnant rat model. Braz J Med Biol Res 2019; 52:e8273. [PMID: 31116257 PMCID: PMC6526749 DOI: 10.1590/1414-431x20198273] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 03/07/2019] [Indexed: 01/07/2023] Open
Abstract
Excessive pro-inflammatory cytokines result in adverse pregnancy outcomes, including preeclampsia-like phenotypes, and fetal growth restriction. Anti-inflammation might be an effective therapy. The aim of this research was to investigate whether Uncaria rhynchophylla alkaloid extract (URE), a highly safe anti-inflammation constituent of the herb, can inhibit inflammation and improve clinical characteristics of preeclampsia in a lipopolysaccharide (LPS)-induced preeclampsia rat model. The rat model was established by daily administration of LPS (1 μg/kg body weight per day) from gestational day (GD) 14 to 19. Different doses of URE (35, 70, and 140 mg/kg body weight per day) were administered from GD 14 to GD 19. The effects of URE on proteinuria, maternal hypertension, pregnancy outcomes, as well as pro-inflammatory cytokines levels in serum and placenta were measured. High-dose URE (HURE) treatment decreased LPS-induced mean 24-h proteinuria and systolic blood pressure, and increased fetal weight, placental weight, and the number of live pups (P<0.05). Moreover, increased serum and placental levels of interleukin (IL)-6, IL-1β, tumor necrosis factor-α, and interferon-γ in the LPS-treated group were obviously inhibited after HURE administration (P<0.01). URE improved preeclampsia symptoms and mitigated inflammatory responses in the LPS-induced preeclampsia rat model, which suggests that the anti-inflammation effect of URE might be an alternative therapy for preeclampsia.
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Affiliation(s)
- Liang-Zhi Wu
- Department of Obstetrics and Gynecology, 1st Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China,Department of Obstetrics and Gynecology, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China
| | - Xiao-Min Xiao
- Department of Obstetrics and Gynecology, 1st Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
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37
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Schalk C, Pfaffinger B, Schmucker S, Weiler U, Stefanski V. Pregnancy-Associated Alterations of Peripheral Blood Immune Cell Numbers in Domestic Sows Are Modified by Social Rank. Animals (Basel) 2019; 9:E112. [PMID: 30909543 PMCID: PMC6466169 DOI: 10.3390/ani9030112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 03/18/2019] [Accepted: 03/21/2019] [Indexed: 11/16/2022] Open
Abstract
During pregnancy, the maternal immune system is characterized by a shift from adaptive to innate immune functions. Besides, the immune system can be influenced by social rank. Detailed knowledge of pregnancy-associated immune changes and of the interplay of rank-associated and gestation-induced immunomodulations is still fragmentary in sows. This study investigates both the numbers of various blood leukocyte subpopulations during pregnancy and the influence of social rank position on progressing pregnancy-associated alterations in group-housed sows. Sows were classified as low (LR), middle (MR), or high-ranking (HR). Five blood samples were collected from each of the 35 sows throughout pregnancy to evaluate the distribution of blood lymphocyte subpopulations and plasma cortisol concentrations. The numbers of T, natural killer (NK), and B cells, cytotoxic T cells (CTL), and CD8⁺ γδ- T cells decreased during the last trimester of pregnancy, while neutrophils and plasma cortisol concentration increased before parturition. Social rank revealed different effects on B cells and monocytes with MR sows showing higher numbers than LR sows. Plasma cortisol concentrations also tended to be higher in MR sows as compared to LR sows. In conclusion, sows show pregnancy-associated alterations in the immune system, which are influenced by social rank, as middle-ranking sows in particular display signs of stress-induced immunomodulations.
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Affiliation(s)
- Christiane Schalk
- Department of Behavioral Physiology of Livestock, Institute of Animal Science, University of Hohenheim, Garbenstr 17, 70599 Stuttgart, Germany.
| | - Birgit Pfaffinger
- Department of Behavioral Physiology of Livestock, Institute of Animal Science, University of Hohenheim, Garbenstr 17, 70599 Stuttgart, Germany.
| | - Sonja Schmucker
- Department of Behavioral Physiology of Livestock, Institute of Animal Science, University of Hohenheim, Garbenstr 17, 70599 Stuttgart, Germany.
| | - Ulrike Weiler
- Department of Behavioral Physiology of Livestock, Institute of Animal Science, University of Hohenheim, Garbenstr 17, 70599 Stuttgart, Germany.
| | - Volker Stefanski
- Department of Behavioral Physiology of Livestock, Institute of Animal Science, University of Hohenheim, Garbenstr 17, 70599 Stuttgart, Germany.
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38
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Hahn S, Hasler P, Vokalova L, van Breda SV, Lapaire O, Than NG, Hoesli I, Rossi SW. The role of neutrophil activation in determining the outcome of pregnancy and modulation by hormones and/or cytokines. Clin Exp Immunol 2019; 198:24-36. [PMID: 30768780 DOI: 10.1111/cei.13278] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2018] [Indexed: 12/16/2022] Open
Abstract
Neutrophils are often exclusively considered as a first-line innate immune defence, able to rapidly kill or trap pathogens and causing in case of over-activation tissue damage. In the female reproductive tract, however, the presence and activity of neutrophils seems to be tightly regulated. Major players in orchestrating this regulation are cyclical steroid sex hormones present during the menstrual cycle and pregnancy. This review describes the role of sex hormones in regulating directly or indirectly the functionality of neutrophils, the role of neutrophils during fertilization and pregnancy and in controlling viral, fungal and bacterial infection. This review also discusses the consequence of overt neutrophil activation in pregnancy pathologies.
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Affiliation(s)
- S Hahn
- Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - P Hasler
- Department of Rheumatology, Kantonsspital Aarau, Aarau, Switzerland
| | - L Vokalova
- Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - S V van Breda
- Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland.,Department of Rheumatology, Kantonsspital Aarau, Aarau, Switzerland
| | - O Lapaire
- Department of Obstetrics, University Women's Hospital Basel, Basel, Switzerland
| | - N G Than
- Systems Biology of Reproduction Lendulet Research Group, Institute of Enzymology, Research Center for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - I Hoesli
- Department of Obstetrics, University Women's Hospital Basel, Basel, Switzerland
| | - S W Rossi
- Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
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39
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Motedayyen H, Fathi F, Fasihi-Ramandi M, Sabzghabaee AM, Taheri RA. Toll-like receptor 4 activation on human amniotic epithelial cells is a risk factor for pregnancy loss. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2019; 24:1. [PMID: 30815014 PMCID: PMC6383334 DOI: 10.4103/jrms.jrms_463_18] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 08/25/2018] [Accepted: 09/26/2018] [Indexed: 12/24/2022]
Abstract
Background: Maternal–fetal tolerance plays a fundamental role in the maintenance of pregnancy. However, this immunological tolerance can be influenced by intrauterine infections. Human amniotic epithelial cells (hAECs) have immunomodulatory effects and respond to invading pathogens through expressing various toll-like receptors (TLRs). We hypothesize that bacteria or bacterial products affect the immunosuppressive effects of hAECs through TLR stimulation. Here, we investigated how a successful pregnancy can be threatened by TLR4 activation on hAECs on lipopolysaccharide (LPS) engagement. Materials and Methods: hAECs were isolated from the amniotic membrane received from six healthy pregnant women. The immunophenotyping of hAECs was studied by flow cytometry. The isolated hAECs (4 × 105 cells/ml) were cultured in 24-well plates in the presence or absence of LPS (5 μg/ml). After 24, 48, and 72 h of incubation, the culture supernatants of hAECs were collected, and the levels of interleukin-5 (IL-5), IL-6, IL-1β, tumor necrosis factor-alpha (TNF-α), transforming growth factor-beta 1 (TGF-β1), and prostaglandin E2 (PGE2) were measured by enzyme-linked immunosorbent assay. Results: TLR4 activation showed a stimulatory effect on TGF-β1 production of hAECs (P < 0.001–0.05). PGE2 production of LPS-stimulated hAECs was significantly increased (P < 0.01–0.05). Moreover, TLR4 could induce TNF-α and IL-1β production of hAECs (P < 0.0001–0.01), while this effect was not observed on IL-6 production of hAECs. The IL-5 was produced at a very low level in two culture supernatants of hAECs, in which its production was independent of LPS effect. Conclusion: TLR4 activation by bacterial components on hAECs may be a potential risk factor for pregnancy complications.
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Affiliation(s)
- Hossein Motedayyen
- Nanobiotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Farshid Fathi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahdi Fasihi-Ramandi
- Molecular Biology Research Center, System Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ali Mohammad Sabzghabaee
- Isfahan Clinical Toxicology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ramezan Ali Taheri
- Nanobiotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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40
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The effect of lipopolysaccharide on anti-inflammatory and pro-inflammatory cytokines production of human amniotic epithelial cells. Reprod Biol 2018; 18:404-409. [PMID: 30220549 DOI: 10.1016/j.repbio.2018.09.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 08/17/2018] [Accepted: 09/08/2018] [Indexed: 12/18/2022]
Abstract
Intrauterine infection is a major cause of immune imbalance at the maternal-fetal interface, which leads to spontaneous abortion, premature rupture of the fetal membranes, and preterm birth. Human amniotic epithelial cells (hAECs) play a fundamental role in the maintenance of pregnancy. We hypothesize that bacteria influence the immunomodulatory effects of hAECs through stimulation of Toll-like receptors (TLRs). Here, we investigated how lipopolysaccharide (LPS) as a bacterial component affects anti-inflammatory and pro-inflammatory cytokines production of hAECs. Human placentas were obtained from six healthy pregnant women and hAECs were isolated. The phenotypic characteristics of hAECs were determined by flow cytometry. The hAECs (4 × 105 cells/ml) were cultured in the presence or absence of LPS (5 μg/ml). The viability of the cells was assessed and culture supernatants of hAECs were collected after 24, 48 and 72 h of incubation. The levels of transforming growth factor-beta1 (TGF-β1), interleukin-4 (IL-4), tumor necrosis factor-alpha (TNF-α), interleukin-17 A (IL-17A), and interferon-gamma (IFN-γ) were measured by ELISA. Our data showed that LPS treatment did not affect the viability of hAECs, while had a stimulatory effect on TGF-β1 production of hAECs (p < 0.001). A significant reduction in IL-4 production of LPS-stimulated hAECs was observed (p < 0.05). LPS enhanced the production of TNF-α and IL-17 A of hAECs (p < 0.05-0.0001). The IFN-γ level was only detectable in two culture supernatants of hAECs, and the level was unchanged after stimulation with LPS. Based on these findings, LPS may play a pivotal role in immune imbalance at the feto-maternal interface through affecting anti-inflammatory and pro-inflammatory cytokines production of hAECs.
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41
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Hazin-Costa MF, da Silva Aráujo A, Guerra GL, da Matta MC, Torres LC, Souza AI. Chemokines in pregnant women with sickle cell disease. Cytokine 2018; 113:195-199. [PMID: 30006250 DOI: 10.1016/j.cyto.2018.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 06/27/2018] [Accepted: 07/02/2018] [Indexed: 12/31/2022]
Abstract
Pregnancy in sickle cell disease is a problem due to the adverse outcomes related to the disease. Research into the role of chemokines in sickle cell disease is available, but studies investigating the disease in pregnancy are scarce. Our data show the chemokine profiles of pregnant women with sickle cell disease compared with control groups. There were no differences in MCP-1 level among the groups, but IL-8 and MIG were likely related with disease activity. In addition, levels of IP-10 were higher in pregnant women with sickle cell disease and, interestingly, RANTES levels were higher in normal pregnancy when compared to pregnancy in sickle cell disease. More studies should be encouraged to fully elucidate chemokine activity during pregnancy in sickle cell disease.
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Affiliation(s)
- Manuela Freire Hazin-Costa
- Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Rua dos Coelhos, 300, Boa Vista, 50.070-550 Recife, Pernambuco, Brazil; Fundação de Hematologia e Hemoterapia de Pernambuco HEMOPE, Rua Joaquim Nabuco, 171, Graças, 52.011-000 Recife, Pernambuco, Brazil; Universidade Federal de Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50.670-90 Recife, Pernambuco, Brazil.
| | - Aderson da Silva Aráujo
- Fundação de Hematologia e Hemoterapia de Pernambuco HEMOPE, Rua Joaquim Nabuco, 171, Graças, 52.011-000 Recife, Pernambuco, Brazil
| | - Glaucia Lins Guerra
- Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Rua dos Coelhos, 300, Boa Vista, 50.070-550 Recife, Pernambuco, Brazil
| | - Marina Cadena da Matta
- Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Rua dos Coelhos, 300, Boa Vista, 50.070-550 Recife, Pernambuco, Brazil
| | - Leuridan Cavalcante Torres
- Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Rua dos Coelhos, 300, Boa Vista, 50.070-550 Recife, Pernambuco, Brazil
| | - Ariani Impieri Souza
- Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Rua dos Coelhos, 300, Boa Vista, 50.070-550 Recife, Pernambuco, Brazil; Faculdade Pernambucana de Saúde (FPS), Av. Mal. Mascarenhas de Morais, 4861, Imbiribeira, 51.180-001 Recife, Pernambuco, Brazil
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42
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Zöllner J, Howe LG, Edey LF, O'Dea KP, Takata M, Gordon F, Leiper J, Johnson MR. The response of the innate immune and cardiovascular systems to LPS in pregnant and nonpregnant mice. Biol Reprod 2018; 97:258-272. [PMID: 29044422 DOI: 10.1093/biolre/iox076] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 07/13/2017] [Indexed: 11/14/2022] Open
Abstract
Sepsis is the leading cause of direct maternal mortality, but there are no data directly comparing the response to sepsis in pregnant and nonpregnant (NP) individuals. This study uses a mouse model of sepsis to test the hypothesis that the cardiovascular response to sepsis is more marked during pregnancy. Female CD1 mice had radiotelemetry probes implanted and were time mated. NP and day 16 pregnant CD-1 mice received intraperitoneal lipopolysaccharide (LPS; 10 μg, serotype 0111: B4). In a separate study, tissue and serum (for RNA, protein and flow cytometry studies), aorta and uterine vessels (for wire myography) were collected after LPS or vehicle control administration. Administration of LPS resulted in a greater fall in blood pressure in pregnant mice compared to NP mice. This occurred with similar changes in the circulating levels of cytokines, vasoactive factors, and circulating leukocytes, but with a greater monocyte and lesser neutrophil margination in the lungs of pregnant mice. Baseline markers of cardiac dysfunction and apoptosis as well as cytokine expression were higher in pregnant mice, but the response to LPS was similar in both groups as was the ex vivo assessment of vascular function. In pregnant mice, nonfatal sepsis is associated with a more marked hypotensive response but not a greater immune response. We conclude that endotoxemia induces a more marked hypotensive response in pregnant compared to NP mice. These changes were not associated with a more marked systemic inflammatory response in pregnant mice, although monocyte lung margination was greater. The more marked hypotensive response to LPS may explain the greater vulnerability to some infections exhibited by pregnant women.
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Affiliation(s)
- Julia Zöllner
- Imperial College Parturition Research Group, Chelsea and Westminster Hospital, 369 Fulham Road, London, UK.,Imperial College Parturition Research Group, Institute of Reproductive and Developmental Biology, Hammersmith Hospital Campus DuCane Road, London, UK.,MRC Clinical Sciences Centre, Hammersmith Hospital Campus, DuCane Road, London, UK
| | - Laura G Howe
- Imperial College Parturition Research Group, Chelsea and Westminster Hospital, 369 Fulham Road, London, UK.,Imperial College Parturition Research Group, Institute of Reproductive and Developmental Biology, Hammersmith Hospital Campus DuCane Road, London, UK.,MRC Clinical Sciences Centre, Hammersmith Hospital Campus, DuCane Road, London, UK
| | - Lydia F Edey
- Imperial College Parturition Research Group, Chelsea and Westminster Hospital, 369 Fulham Road, London, UK.,Imperial College Parturition Research Group, Institute of Reproductive and Developmental Biology, Hammersmith Hospital Campus DuCane Road, London, UK
| | - Kieran P O'Dea
- Section of Anaesthetics, Pain Medicine, and Intensive Care, Faculty of Medicine, Chelsea and Westminster Hospital, London, UK
| | - Masao Takata
- Section of Anaesthetics, Pain Medicine, and Intensive Care, Faculty of Medicine, Chelsea and Westminster Hospital, London, UK
| | - Fabiana Gordon
- Statistical Advisory Service, School Of Public Health, UG15, Ground Floor (Mezzanine), Medical School, St Mary's Campus, Norfolk Place, London, UK
| | - James Leiper
- MRC Clinical Sciences Centre, Hammersmith Hospital Campus, DuCane Road, London, UK
| | - Mark R Johnson
- Imperial College Parturition Research Group, Chelsea and Westminster Hospital, 369 Fulham Road, London, UK.,Imperial College Parturition Research Group, Institute of Reproductive and Developmental Biology, Hammersmith Hospital Campus DuCane Road, London, UK
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Vinnars MT, Björk E, Nagaev I, Ottander U, Bremme K, Holmlund U, Sverremark-Ekström E, Mincheva-Nilsson L. Enhanced Th1 and inflammatory mRNA responses upregulate NK cell cytotoxicity and NKG2D ligand expression in human pre-eclamptic placenta and target it for NK cell attack. Am J Reprod Immunol 2018; 80:e12969. [DOI: 10.1111/aji.12969] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/09/2018] [Indexed: 11/30/2022] Open
Affiliation(s)
- Marie-Therese Vinnars
- Department of Clinical Microbiology, Infection and Immunology; Umeå University; Umeå Sweden
| | - Emma Björk
- Department of Clinical Microbiology, Infection and Immunology; Umeå University; Umeå Sweden
| | - Ivan Nagaev
- Department of Clinical Microbiology, Infection and Immunology; Umeå University; Umeå Sweden
| | - Ulrika Ottander
- Department of Clinical Sciences/Obstetrics and Gynaecology; Umeå University; Umeå Sweden
| | - Katarina Bremme
- Department of Women’s and Children’s Health, Obstetrics and Gynaecology; Karolinska Institutet; Stockholm Sweden
| | - Ulrika Holmlund
- Department of Molecular Biosciences; The Wenner-Gren Institute; Stockholm University; Stockholm Sweden
| | - Eva Sverremark-Ekström
- Department of Molecular Biosciences; The Wenner-Gren Institute; Stockholm University; Stockholm Sweden
| | - Lucia Mincheva-Nilsson
- Department of Clinical Microbiology, Infection and Immunology; Umeå University; Umeå Sweden
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44
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Liu NQ, Larner DP, Yao Q, Chun RF, Ouyang Y, Zhou R, Tamblyn JA, Wagner CL, Hewison M. Vitamin D-deficiency and sex-specific dysregulation of placental inflammation. J Steroid Biochem Mol Biol 2018; 177:223-230. [PMID: 28676458 DOI: 10.1016/j.jsbmb.2017.06.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 06/14/2017] [Accepted: 06/18/2017] [Indexed: 12/21/2022]
Abstract
To investigate an immunomodulatory role for vitamin D in pregnancy we used mice raised on vitamin D-sufficient (SUFF), or -deficient (DEF) diets. At embryonic day 14, pregnant mice received intraperitoneal injection of lipopolysaccharide (LPS) or vehicle for 24h, with age-matched non-pregnant mice as controls. In non-pregnant mice, 6 serum analytes (IL-1β, IL-18, MDC/CCL22, MIP-1α/CCL3, EGF, IgA) were lower in DEF mice. In pregnant DEF mice only GH was higher. In non-pregnant mice LPS induced 28 analytes, with 5 (IL-18, IP-10/CXCL10, MCP-1/CCL2, MIP-1β/CCL4, MIP-3β/CCL19) being highest in DEF mice. In pregnant SUFF mice 16 serum analytes increased with LPS, and 6 of these (IP-10/CXCL10, MCP-1/CCL2, SAP, TIMP-1, VCAM-1, vWF) were higher and 1 (GCP-2/CXCL6) lower in DEF mice. Parallel analysis of placental mRNAs showed elevated mRNA for Il-6, Ccl2 and Cxcl10 in placentae from male and female fetuses in LPS-DEF mice. However, LPS-induced expression of Ifnγ, Tnfα, and Cxcl6 was only observed in female placentae from DEF mice. LPS-DEF mice also showed smaller litter sizes relative to control SUFF mice. Numbers of female fetuses per dam were significantly lower for DEF mice with or without LPS challenge. LPS had no effect on numbers of male fetuses from DEF mothers, but significantly decreased male fetuses from SUFF mothers. These data indicate that vitamin D is an important component of anti-inflammatory immune responses during pregnancy, with the placenta and fetal sex playing pivotal roles in this process.
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Affiliation(s)
- Nancy Q Liu
- Dept of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA
| | - Dean P Larner
- Institute of Metabolism and Systems Research, The University of Birmingham, Birmingham B15 2TT, UK; Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham B15 2TH, UK
| | - Qingqiang Yao
- Dept of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA
| | - Rene F Chun
- Dept of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA
| | - Yuxin Ouyang
- Dept of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA
| | - Rui Zhou
- Dept of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA
| | - Jennifer A Tamblyn
- Institute of Metabolism and Systems Research, The University of Birmingham, Birmingham B15 2TT, UK; Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham B15 2TH, UK
| | - Carol L Wagner
- Division of Neonatology, Department of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Martin Hewison
- Dept of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA; Institute of Metabolism and Systems Research, The University of Birmingham, Birmingham B15 2TT, UK; Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham B15 2TH, UK.
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45
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Gianchecchi E, Delfino DV, Fierabracci A. NK cells in autoimmune diseases: Linking innate and adaptive immune responses. Autoimmun Rev 2018; 17:142-154. [DOI: 10.1016/j.autrev.2017.11.018] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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46
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McTiernan CF, Morel P, Cooper LT, Rajagopalan N, Thohan V, Zucker M, Boehmer J, Bozkurt B, Mather P, Thornton J, Ghali JK, Hanley-Yanez K, Fett J, Halder I, McNamara DM. Circulating T-Cell Subsets, Monocytes, and Natural Killer Cells in Peripartum Cardiomyopathy: Results From the Multicenter IPAC Study. J Card Fail 2017; 24:33-42. [PMID: 29079307 DOI: 10.1016/j.cardfail.2017.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 10/16/2017] [Accepted: 10/18/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVE The aim of this work was to evaluate the hypothesis that the distribution of circulating immune cell subsets, or their activation state, is significantly different between peripartum cardiomyopathy (PPCM) and healthy postpartum (HP) women. BACKGROUND PPCM is a major cause of maternal morbidity and mortality, and an immune-mediated etiology has been hypothesized. Cellular immunity, altered in pregnancy and the peripartum period, has been proposed to play a role in PPCM pathogenesis. METHODS The Investigation of Pregnancy-Associated Cardiomyopathy (IPAC) study enrolled 100 women presenting with a left ventricular ejection fraction of <0.45 within 2 months of delivery. Peripheral T-cell subsets, natural killer (NK) cells, and cellular activation markers were assessed by flow cytometry in PPCM women early (<6 wk), 2 months, and 6 months postpartum and compared with those of HP women and women with non-pregnancy-associated recent-onset cardiomyopathy (ROCM). RESULTS Entry NK cell levels (CD3-CD56+CD16+; reported as % of CD3- cells) were significantly (P < .0003) reduced in PPCM (6.6 ± 4.9% of CD3- cells) compared to HP (11.9 ± 5%). Of T-cell subtypes, CD3+CD4-CD8-CD38+ cells differed significantly (P < .004) between PPCM (24.5 ± 12.5% of CD3+CD4-CD8- cells) and HP (12.5 ± 6.4%). PPCM patients demonstrated a rapid recovery of NK and CD3+CD4-CD8-CD38+ cell levels. However, black women had a delayed recovery of NK cells. A similar reduction of NK cells was observed in women with ROCM. CONCLUSIONS Compared with HP control women, early postpartum PPCM women show significantly reduced NK cells, and higher CD3+CD4-CD8-CD38+ cells, which both normalize over time postpartum. The mechanistic role of NK cells and "double negative" (CD4-CD8-) T regulatory cells in PPCM requires further investigation.
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Affiliation(s)
- Charles F McTiernan
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania.
| | - Penelope Morel
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | | | - Vinay Thohan
- Gill Heart Institute, University of Kentucky, Lexington, Kentucky
| | - Mark Zucker
- Cardiac Transplant Center, Beth Israel Newark Medical Center, New Jersey
| | - John Boehmer
- Division of Cardiology, Penn State Hershey Medical Center, Hershey, Pennsylvania
| | - Biykem Bozkurt
- Winters Center for Heart Failure Research, Baylor College of Medicine, Houston, Texas
| | - Paul Mather
- Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - John Thornton
- Division of Cardiology, Georgia Regents University in Augusta, Augusta, Georgia
| | - Jalal K Ghali
- Division of Cardiology, Mercer University School of Medicine, Macon, Georgia
| | - Karen Hanley-Yanez
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - James Fett
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Indrani Halder
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Dennis M McNamara
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
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47
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Graham C, Chooniedass R, Stefura WP, Becker AB, Sears MR, Turvey SE, Mandhane PJ, Subbarao P, HayGlass KT. In vivo immune signatures of healthy human pregnancy: Inherently inflammatory or anti-inflammatory? PLoS One 2017; 12:e0177813. [PMID: 28636613 PMCID: PMC5479559 DOI: 10.1371/journal.pone.0177813] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 05/03/2017] [Indexed: 12/20/2022] Open
Abstract
Changes in maternal innate immunity during healthy human pregnancy are not well understood. Whether basal immune status in vivo is largely unaffected by pregnancy, is constitutively biased towards an inflammatory phenotype (transiently enhancing host defense) or exhibits anti-inflammatory bias (reducing potential responsiveness to the fetus) is unclear. Here, in a longitudinal study of healthy women who gave birth to healthy infants following uncomplicated pregnancies within the Canadian Healthy Infant Longitudinal Development (CHILD) cohort, we test the hypothesis that a progressively altered bias in resting innate immune status develops. Women were examined during pregnancy and again, one and/or three years postpartum. Most pro-inflammatory cytokine expression, including CCL2, CXCL10, IL-18 and TNFα, was reduced in vivo during pregnancy (20-57%, p<0.0001). Anti-inflammatory biomarkers (sTNF-RI, sTNF-RII, and IL-1Ra) were elevated by ~50-100% (p<0.0001). Systemic IL-10 levels were unaltered during vs. post-pregnancy. Kinetic studies demonstrate that while decreased pro-inflammatory biomarker expression (CCL2, CXCL10, IL-18, and TNFα) was constant, anti-inflammatory expression increased progressively with increasing gestational age (p<0.0001). We conclude that healthy resting maternal immune status is characterized by an increasingly pronounced bias towards a systemic anti-inflammatory innate phenotype during the last two trimesters of pregnancy. This is resolved by one year postpartum in the absence of repeat pregnancy. The findings provide enhanced understanding of immunological changes that occur in vivo during healthy human pregnancy.
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Affiliation(s)
- Caroline Graham
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Rishma Chooniedass
- Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada
| | - William P. Stefura
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Allan B. Becker
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada
- Children’s Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada
| | - Malcolm R. Sears
- Department of Medicine, de Groote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Stuart E. Turvey
- Department of Pediatrics, Child & Family Research Institute and BC Children’s Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Piush J. Mandhane
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - Padmaja Subbarao
- Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - CHILD Study Investigators
- CHILD (Canadian Healthy Infant Longitudinal Development Study) Investigators, McMaster University, Hamilton, Canada
| | - Kent T. HayGlass
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada
- Children’s Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada
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48
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Romero R, Chaemsaithong P, Chaiyasit N, Docheva N, Dong Z, Kim CJ, Kim YM, Kim JS, Qureshi F, Jacques SM, Yoon BH, Chaiworapongsa T, Yeo L, Hassan SS, Erez O, Korzeniewski SJ. CXCL10 and IL-6: Markers of two different forms of intra-amniotic inflammation in preterm labor. Am J Reprod Immunol 2017; 78. [PMID: 28544362 PMCID: PMC5488235 DOI: 10.1111/aji.12685] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 03/20/2017] [Indexed: 12/24/2022] Open
Abstract
Problem To determine whether amniotic fluid (AF) CXCL10 concentration is associated with histologic chronic chorioamnionitis in patients with preterm labor (PTL) and preterm prelabor rupture of the membranes (PROM). Method of Study This study included 168 women who had an episode of PTL or preterm PROM. AF interleukin (IL)‐6 and CXCL10 concentrations were determined by immunoassay. Results (i) Increased AF CXCL10 concentration was associated with chronic (OR: 4.8; 95% CI: 1.7‐14), but not acute chorioamnionitis; (ii) increased AF IL‐6 concentration was associated with acute (OR: 4.2; 95% CI: 1.3‐13.7) but not chronic chorioamnionitis; and (iii) an increase in AF CXCL10 concentration was associated with placental lesions consistent with maternal anti‐fetal rejection (OR: 3.7; 95% CI: 1.3‐10.4). (iv) All patients with elevated AF CXCL10 and IL‐6 delivered preterm. Conclusion Increased AF CXCL10 concentration is associated with chronic chorioamnionitis or maternal anti‐fetal rejection, whereas increased AF IL‐6 concentration is associated with acute histologic chorioamnionitis.
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Affiliation(s)
- Roberto Romero
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA.,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA.,Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Piya Chaemsaithong
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Noppadol Chaiyasit
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Nikolina Docheva
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Zhong Dong
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Chong Jai Kim
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Pathology, University of Ulsan College of Medicine, Seoul, Korea
| | - Yeon Mee Kim
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Pathology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Jung-Sun Kim
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Faisal Qureshi
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Pathology, Hutzel Women's Hospital, Wayne State University School of Medicine, Detroit, MI, USA
| | - Suzanne M Jacques
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Pathology, Hutzel Women's Hospital, Wayne State University School of Medicine, Detroit, MI, USA
| | - Bo Hyun Yoon
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Tinnakorn Chaiworapongsa
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Lami Yeo
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Sonia S Hassan
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Offer Erez
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Steven J Korzeniewski
- Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD and Detroit, MI, USA.,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA.,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
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49
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Rosenberg N, Daviglus ML, DeVon HA, Park CG, Eldeirawi K. The Association between Parity and Inflammation among Mexican-American Women of Reproductive Age Varies by Acculturation Level: Results of the National Health and Nutrition Examination Survey (1999-2006). Womens Health Issues 2017; 27:485-492. [PMID: 28410971 DOI: 10.1016/j.whi.2017.03.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 03/01/2017] [Accepted: 03/06/2017] [Indexed: 01/27/2023]
Abstract
INTRODUCTION Parity and acculturation are linked with cardiometabolic risk. Their joint association with cardiometabolic health among Mexican-American women is less established, even though immigrant Mexican-American women have the highest fertility rate in the United States. We examined the modifying role of acculturation on the association of parity with a cardiometabolic risk biomarker, C-reactive protein (CRP). METHODS Participants (n = 1,002) were women of Mexican background, ages 16 to 39 years, in the National Health and Nutrition Examination Survey (NHANES) from 1999 through 2006. The association between parity and elevated CRP was examined using logistic regression adjusted for age, household food security, access to health care, hemoglobin A1c, total cholesterol, high-density lipoprotein cholesterol, waist circumference, physical activity, acculturation, and a product term of parity and acculturation. Acculturation was measured on a 6-point score based on nativity status and duration of residence in the United States (0, Mexico born, U.S. resident <10 years; 1, Mexico born, U.S. resident 10-19 years; 2-Mexico born, U.S. resident ≥20 years; and 3, U.S. born), and language used at home (0, Spanish; 1, bilingual; 2, English). Scores of 0 or 1, 2 or 3, and 4 or 5 represented low, moderate, and high acculturation, respectively. RESULTS The association of parity with elevated CRP varied by acculturation level (pinteraction = 0.10). Parity was associated with elevated CRP among women with low (adjusted odds ratio [OR], 2.26; 95% CI, 1.07-4.80) and moderate acculturation (adjusted OR, 2.79; 95% CI, 1.16-6.73), compared with nulliparous women. CONCLUSIONS Higher odds of elevated CRP associated with parity in immigrant Mexican-American women of reproductive age indicate the need for greater use of maternal/women's health care services for cardiometabolic risk screening and interventions.
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Affiliation(s)
- Natalya Rosenberg
- Institute for Minority Health Research, College of Medicine, University of Illinois at Chicago, Chicago, Illinois.
| | - Martha L Daviglus
- Institute for Minority Health Research, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Holli A DeVon
- College of Nursing, University of Illinois at Chicago, Chicago, Illinois
| | - Chang Gi Park
- College of Nursing, University of Illinois at Chicago, Chicago, Illinois
| | - Kamal Eldeirawi
- College of Nursing, University of Illinois at Chicago, Chicago, Illinois
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50
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Boisvert M, Shoukry NH. Type III Interferons in Hepatitis C Virus Infection. Front Immunol 2016; 7:628. [PMID: 28066437 PMCID: PMC5179541 DOI: 10.3389/fimmu.2016.00628] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 12/08/2016] [Indexed: 12/20/2022] Open
Abstract
The interferon (IFN)-λ family of type III cytokines includes the closely related interleukin (IL)-28A (IFN-λ2), IL-28B (IFN-λ3), and IL-29 (IFN-λ1). They signal through the Janus kinases (JAK)-signal transducers and activators of transcription pathway and promote an antiviral state by the induction of expression of several interferon-stimulated genes (ISGs). Contrary to type I IFNs, the effect of IFN-λ cytokines is largely limited to epithelial cells due to the restricted pattern of expression of their specific receptor. Several genome-wide association studies have established a strong correlation between polymorphism in the region of IL-28B gene (encoding for IFN-λ3) and both spontaneous and therapeutic IFN-mediated clearance of hepatitis C virus (HCV) infection, but the mechanism(s) underlying this enhanced viral clearance are not fully understood. IFN-λ3 directly inhibits HCV replication, and in vitro studies suggest that polymorphism in the IFN-λ3 and its recently identified overlapping IFN-λ4 govern the pattern of ISGs induced upon HCV infection of hepatocytes. IFN-λ can also be produced by dendritic cells, and apart from its antiviral action on hepatocytes, it can regulate the inflammatory response of monocytes/macrophages, thus acting at the interface between innate and adaptive immunity. Here, we review the current state of knowledge about the role of IFN-λ cytokines in mediating and regulating the immune response during acute and chronic HCV infections.
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Affiliation(s)
- Maude Boisvert
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM) , Montréal, QC , Canada
| | - Naglaa H Shoukry
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montréal, QC, Canada; Département de médecine, Université de Montréal, Montréal, QC, Canada
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