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Puttaiah A, Kirthan JPA, Sadanandan DM, Somannavar MS. Inflammatory markers and their association with preeclampsia among pregnant women: A systematic review and meta-analysis. Clin Biochem 2024; 129:110778. [PMID: 38876455 DOI: 10.1016/j.clinbiochem.2024.110778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 06/06/2024] [Accepted: 06/07/2024] [Indexed: 06/16/2024]
Abstract
The goal of this review was to investigate the levels of pro-inflammatory markers such as Tumour necrosis factor-α (TNF-α) Interlukin-6 (IL-6), C-reactive protein (CRP), Transforming growth factor-β1 (TGF-β1) and ferritin in pre-eclamptic and normotensive pregnant women. Using PubMed, ProQuest and Google Scholar databases, a literature search was carried out and case-control studies showing associations between inflammatory markers and preeclampsia in pregnancy published between 2010 and 2023 were included. The risk of bias was assessed by using the Newcastle Ottawa quality assessment scale. A random effect meta-analysis was performed and pooled difference in means with 95 % CI were reported. All statistical analyses were performed using R software. Out of 660 articles, 25 articles were included in the systematic review. The differences in means for TGF-β1, CRP, ferritin and TNF-α levels between the preeclamptic women and normotensive women were 2.37 pg/mL [95 % CI: -1.66,6.39], 5.62 mg/L [95 % CI: -4.11,15.36], 32.93 ng/mL [95 % CI: -7.66,58.19] and 13.67 pg/mL [95 % CI: 4.20,23.14] respectively which showed moderate increase. The pooled differences in means for hs-CRP and IL-6 levels between the preeclamptic and normotensive women were 3.20 mg/L [95 % CI: 0.27,6.12] and 17.64 pg/mL [95 % CI: -8.36,43.64] respectively which showed significant increase. Sub-group analysis showed significant differences for CRP, ferritin and TNF-α levels across ethnicities. Meta-analysis demonstrates an increase in the maternal circulating levels of inflammatory markers such as hs-CRP, IL-6 and showed moderate increase in TGF-β1, CRP, ferritin, TNF-α markers among women affected by preeclampsia compared to those with normotensive pregnancies.
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Affiliation(s)
- Ananda Puttaiah
- Department of Biochemistry, Jawaharlal Nehru Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka 590010, India.
| | - J P Akshay Kirthan
- Department of Biochemistry, Jawaharlal Nehru Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka 590010, India
| | - Deepthy Melepurakkal Sadanandan
- Women's & Children's Health Research Unit, Jawaharlal Nehru Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka 590010, India
| | - Manjunath S Somannavar
- Department of Biochemistry, Jawaharlal Nehru Medical College, KLE Academy of Higher Education and Research, Belagavi, Karnataka 590010, India
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Ahmed YIB, Yagoub HS, Hassan MA, Adam I, Hamdan HZ. Maternal serum iron status, hepcidin and interleukin-6 levels in women with preeclampsia. Front Physiol 2023; 14:1049994. [PMID: 36909236 PMCID: PMC9998666 DOI: 10.3389/fphys.2023.1049994] [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: 09/21/2022] [Accepted: 02/16/2023] [Indexed: 02/26/2023] Open
Abstract
Introduction: Preeclampsia can lead to a number of adverse maternal and perinatal effects. The association between iron status [serum iron, ferritin and total iron-binding capacity (TIBC)], unsaturated iron-binding capacity, hepcidin, interleukin-6 (IL-6) levels and preeclampsia is not fully understood. Objective: To assess the levels of iron status, hepcidin and interleukin-6 in women with preeclampsia compared with healthy pregnant women. Method: A case-control study (60 women were recruited in each group) was conducted at Saad Abuelela Maternity Hospital in Khartoum, Sudan. Sociodemographic and clinical data were gathered through a questionnaire. The levels of iron status, hepcidin and IL-6 were measured using applicable methods. Results: There was no significant difference in the median [interquartile range (IQR)] of age, parity or body mass index between the two groups. Moreover, the median (IQR) of the iron status, hepcidin and interleukin-6 did not differ between women with preeclampsia and healthy controls. There were no significant correlations between haemoglobin, hepcidin and IL-6. There were also no significant correlations between serum iron, serum ferritin, hepcidin and IL-6. However, there was a significant positive correlation between hepcidin and IL-6 (r = 0.393, p = 0.002). Conclusion: In this study, women with preeclampsia had levels of iron status, hepcidin and IL-6 similar to those observed in healthy pregnant women. There was no significant correlation between iron status, hepcidin and IL-6.
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Affiliation(s)
- Yasir I. B. Ahmed
- Faculty of Medical Laboratory Sciences, Omdurman Islamic University, Omdurman, Sudan
| | - Hind S. Yagoub
- Faculty of Medical Laboratory Sciences, Omdurman Islamic University, Omdurman, Sudan
- Faculty of Medical Laboratory Sciences, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
| | | | - I. Adam
- Department of Obstetrics and Gynaecology, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Hamdan Z. Hamdan
- Department of Basic Medical Sciences, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
- Faculty of Medicine, Al-Neelain University, Khartoum, Sudan
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Bandyopadhyay A, Ahamed F, Palepu S, Ghosh T, Yadav V. Association of Serum Hepcidin With Preeclampsia: A Systematic Review and Meta-Analysis. Cureus 2022; 14:e26699. [PMID: 35959172 PMCID: PMC9359713 DOI: 10.7759/cureus.26699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/09/2022] [Indexed: 11/05/2022] Open
Abstract
The objective of the present systematic review and meta-analysis was to compare the levels of serum hepcidin in women who developed pre-eclampsia with those who did not. The databases PubMed, Embase, Scopus, Cochrane, and references of retrieved articles published till September 2020 were searched with no language restriction. Mean differences in iron regulating protein (hepcidin) were compared using a random-effects model based on the level of heterogeneity. A total of 760 individuals were included in the analysis from seven studies. The pooled estimate showed that mean hepcidin levels were significantly higher in women who developed pre-eclampsia [0.3 ng/ml, 95% confidence interval (CI): 0.01-0.59, p=0.003] as compared to women who did not develop pre-eclampsia. Further research can be done to assess the levels of various iron parameters in different trimesters of pregnancy and their association with pre-eclampsia.
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He A, Wang J, Yang X, Liu J, Yang X, Wang G, Li R. Screening of differentially expressed proteins in placentas from patients with late-onset preeclampsia. Proteomics Clin Appl 2021; 16:e2100053. [PMID: 34704665 DOI: 10.1002/prca.202100053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/26/2021] [Accepted: 10/22/2021] [Indexed: 01/26/2023]
Abstract
PURPOSE Preeclampsia (PE) is a severe disease that endangers the safety of mothers and fetuses worldwide. In the absence of specific treatments, more studies on novel predictive and diagnostic biomarkers for PE are required. EXPERIMENTAL DESIGN Data-independent acquisition proteomics, with five biological replicates, was used to investigate the protein expression profiles of placental tissues from patients with PE and normal pregnant women. RESULTS In total, 52 differentially expressed proteins (DEPs) were identified, 34 of them were upregulated and 18 downregulated. Bioinformatics analyses revealed that PE was associated with multiple GO terms and KEGG pathways. Arginase-1 (ARG1), ferritin light chain (FTL), and RNA cytidine acetyltransferase (NAT10) were identified as hub proteins, which were further validated in placental tissues and maternal plasma by western blot and ELISA. CONCLUSIONS AND CLINICAL RELEVANCE FTL expression was significantly lower in the placental tissues and early and late pregnancy plasma of patients with PE compared to that in normal pregnant women. This study is the first to propose that FTL may be a potential predictive and diagnostic biomarker for PE; it provides a proteomics insight for understanding the pathological mechanism of this disease.
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Affiliation(s)
- Andong He
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China.,International Joint Laboratory for Embryonic Development & Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Jingyun Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China.,International Joint Laboratory for Embryonic Development & Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Xiaofeng Yang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China.,International Joint Laboratory for Embryonic Development & Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Jia Liu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Xuesong Yang
- International Joint Laboratory for Embryonic Development & Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China.,Key Laboratory for Regenerative Medicine of the Ministry of Education, Jinan University, Guangzhou, China.,Guangdong-Hong Kong Metabolism & Reproduction Joint Laboratory, Medical College, Jinan University, Guangzhou, China
| | - Guang Wang
- International Joint Laboratory for Embryonic Development & Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China.,Key Laboratory for Regenerative Medicine of the Ministry of Education, Jinan University, Guangzhou, China.,Guangdong-Hong Kong Metabolism & Reproduction Joint Laboratory, Medical College, Jinan University, Guangzhou, China
| | - Ruiman Li
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
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Spence T, Allsopp PJ, Yeates AJ, Mulhern MS, Strain JJ, McSorley EM. Maternal Serum Cytokine Concentrations in Healthy Pregnancy and Preeclampsia. J Pregnancy 2021; 2021:6649608. [PMID: 33680514 PMCID: PMC7925069 DOI: 10.1155/2021/6649608] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 01/21/2021] [Accepted: 01/28/2021] [Indexed: 12/16/2022] Open
Abstract
The maternal immune response is essential for successful pregnancy, promoting immune tolerance to the fetus while maintaining innate and adaptive immunity. Uncontrolled, increased proinflammatory responses are a contributing factor to the pathogenesis of preeclampsia. The Th1/Th2 cytokine shift theory, characterised by bias production of Th2 anti-inflammatory cytokine midgestation, was frequently used to reflect the maternal immune response in pregnancy. This theory is simplistic as it is based on limited information and does not consider the role of other T cell subsets, Th17 and Tregs. A range of maternal peripheral cytokines have been measured in pregnancy cohorts, albeit the changes in individual cytokine concentrations across gestation is not well summarised. Using available data, this review was aimed at summarising changes in individual maternal serum cytokine concentrations throughout healthy pregnancy and evaluating their association with preeclampsia. We report that TNF-α increases as pregnancy progresses, IL-8 decreases in the second trimester, and IL-4 concentrations remain consistent throughout gestation. Lower second trimester IL-10 concentrations may be an early predictor for developing preeclampsia. Proinflammatory cytokines (TNF-α, IFN-γ, IL-2, IL-8, and IL-6) are significantly elevated in preeclampsia. More research is required to determine the usefulness of using cytokines, particularly IL-10, as early biomarkers of pregnancy health.
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Affiliation(s)
- Toni Spence
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, UK
| | - Philip J. Allsopp
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, UK
| | - Alison J. Yeates
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, UK
| | - Maria S. Mulhern
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, UK
| | - J. J. Strain
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, UK
| | - Emeir M. McSorley
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, UK
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Ng SW, Norwitz SG, Norwitz ER. The Impact of Iron Overload and Ferroptosis on Reproductive Disorders in Humans: Implications for Preeclampsia. Int J Mol Sci 2019; 20:E3283. [PMID: 31277367 PMCID: PMC6651445 DOI: 10.3390/ijms20133283] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 07/01/2019] [Accepted: 07/03/2019] [Indexed: 12/16/2022] Open
Abstract
Iron is an essential element for the survival of most organisms, including humans. Demand for iron increases significantly during pregnancy to support growth and development of the fetus. Paradoxically, epidemiologic studies have shown that excessive iron intake and/or high iron status can be detrimental to pregnancy and is associated with reproductive disorders ranging from endometriosis to preeclampsia. Reproductive complications resulting from iron deficiency have been reviewed elsewhere. Here, we focus on reproductive disorders associated with iron overload and the contribution of ferroptosis-programmed cell death mediated by iron-dependent lipid peroxidation within cell membranes-using preeclampsia as a model system. We propose that the clinical expressions of many reproductive disorders and pregnancy complications may be due to an underlying ferroptopathy (elemental iron-associated disease), characterized by a dysregulation in iron homeostasis leading to excessive ferroptosis.
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Affiliation(s)
- Shu-Wing Ng
- Department of Obstetrics & Gynecology, Tufts University School of Medicine, Boston, MA 02111, USA.
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA 02111, USA.
| | | | - Errol R Norwitz
- Department of Obstetrics & Gynecology, Tufts University School of Medicine, Boston, MA 02111, USA.
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA 02111, USA.
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Liu JX, Chen D, Li MX, Hua Y. Increased serum iron levels in pregnant women with preeclampsia: a meta-analysis of observational studies. J OBSTET GYNAECOL 2018; 39:11-16. [PMID: 29884078 DOI: 10.1080/01443615.2018.1450368] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Jia-Xin Liu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Dan Chen
- Department of Obstetrics and Gynecology, Daqing Oil Field General Hospital, Daqing City, China
| | - Ming-Xun Li
- Department of Obstetrics and Gynecology, Daqing Oil Field General Hospital, Daqing City, China
| | - Ying Hua
- Department of Obstetrics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
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Brunacci F, Rocha VS, De Carli E, Espósito BP, Ruano R, Colli C. Increased serum iron in preeclamptic women is likely due to low hepcidin levels. Nutr Res 2018; 53:32-39. [DOI: 10.1016/j.nutres.2018.03.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 01/30/2018] [Accepted: 03/15/2018] [Indexed: 01/06/2023]
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Alma LJ, Bokslag A, Maas AHEM, Franx A, Paulus WJ, de Groot CJM. Shared biomarkers between female diastolic heart failure and pre-eclampsia: a systematic review and meta-analysis. ESC Heart Fail 2017; 4:88-98. [PMID: 28451444 PMCID: PMC5396047 DOI: 10.1002/ehf2.12129] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 10/25/2016] [Accepted: 11/15/2016] [Indexed: 12/11/2022] Open
Abstract
Evidence accumulates for associations between hypertensive pregnancy disorders and increased cardiovascular risk later. The main goal of this study was to explore shared biomarkers representing common pathogenic pathways between heart failure with preserved ejection fraction (HFpEF) and pre‐eclampsia where these biomarkers might be potentially eligible for cardiovascular risk stratification in women after hypertensive pregnancy disorders. We sought for blood markers in women with diastolic dysfunction in a first literature search, and through a second search, we investigated whether these same biochemical markers were present in pre‐eclampsia.This systematic review and meta‐analysis presents two subsequent systematic searches in PubMed and EMBASE. Search I yielded 3014 studies on biomarkers discriminating women with HFpEF from female controls, of which 13 studies on 11 biochemical markers were included. Cases had HFpEF, and controls had no heart failure. The second search was for studies discriminating women with pre‐eclampsia from women with non‐hypertensive pregnancies with at least one of the biomarkers found in Search I. Search II yielded 1869 studies, of which 51 studies on seven biomarkers were included in meta‐analyses and 79 studies on 12 biomarkers in systematic review.Eleven biological markers differentiated women with diastolic dysfunction from controls, of which the following 10 markers differentiated women with pre‐eclampsia from controls as well: C‐reactive protein, HDL, insulin, fatty acid‐binding protein 4, brain natriuretic peptide, N terminal pro brain natriuretic peptide, adrenomedullin, mid‐region pro adrenomedullin, cardiac troponin I, and cancer antigen 125.Our study supports the hypothesis that HFpEF in women shares a common pathogenic background with pre‐eclampsia. The biomarkers representing inflammatory state, disturbances in myocardial function/structure, and unfavourable lipid metabolism may possibly be eligible for future prognostic tools.
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Affiliation(s)
- Lisa J Alma
- Department of Obstetrics and GynecologyVU University Medical CenterAmsterdamThe Netherlands
| | - Anouk Bokslag
- Department of Obstetrics and GynecologyVU University Medical CenterAmsterdamThe Netherlands
| | - Angela H E M Maas
- Department of CardiologyRadboud University Nijmegen Medical CentreNijmegenThe Netherlands
| | - Arie Franx
- Division Woman and BabyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Walter J Paulus
- Department of PhysiologyVU University Medical CenterAmsterdamThe Netherlands
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