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Zhang W, Liang H. The role of serum markers PAPP-A β-hCG, AFP, and uE3 in predicting the risk of preeclampsia in early, middle, and late pregnancy. Technol Health Care 2022; 31:1027-1037. [PMID: 36442168 DOI: 10.3233/thc-220523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND: Preeclampsia (PE) has adverse effects on pregnant women, fetuses, and newborns [1], and accounts for 3%–10% of pregnancy-related diseases globally. OBJECTIVE: This study aimed to screen a series of prenatal markers (pregnancy-associated plasma protein [PAPP-A], β-human chorionic gonadotropin [β-hCG], alpha fetoprotein [AFP], and estriol [uE3]) to establish a risk model and evaluate the diagnostic values of the markers for predicting PE. METHODS: Sixty-five pregnant women were enrolled in this study. They were divided into two groups containing healthy pregnant women (n= 51, the non-PE group) and pregnant women with PE (n= 14, the PE group). According to the stage of pregnancy, the pregnant women in each group were divided into early, middle, and late pregnancy groups for statistical analysis. The levels of PAPPA-A β-hCG, AFP, and uE3 were compared among these groups. Then, a risk model was established, and PE was diagnosed using receiver operating characteristic (ROC) curve results. RESULTS: In the early pregnancy group, the differences in the levels of PAPP-A, AFP, and uE3 between the PE and non-PE groups were statistically significant (P< 0.001, P= 0.029, and P= 0.033, respectively), while the difference in the single remaining marker was not statistically significant. A ROC curve analysis revealed that in early pregnancy, the sensitivity and specificity of PAPP-A were 76.5% and 71.4%, respectively, and the sensitivity and specificity of β-hCG were 82.4% and 57.1%, respectively. The sensitivity and specificity of the combination of the two markers for diagnosing PE were 86.3% and 57.1%, respectively. CONCLUSION: This study demonstrated that the combination of PAPP-A and β-hCG has diagnostic value for PE in pregnant women. Accordingly, we should formulate innovative PE screening strategies to target the prevention of PE and create important conditions for predictive and preventive personalized medical treatments.
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Martin RL, Sottile ML, Redondo AL, Gomez LC, Gauna GV, Flamini MI, Grajeda C, Anzalone AC, Rodriguez-Echandia E, Nadin SB, Vargas-Roig LM. Circulating heat shock protein 27 (HSPB1) levels in prediction of pre-eclampsia: A pilot study. Int J Gynaecol Obstet 2021; 158:93-100. [PMID: 34652826 DOI: 10.1002/ijgo.13982] [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: 05/15/2021] [Revised: 08/10/2021] [Accepted: 10/14/2021] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To determine whether circulating heat shock proteins HSP27/HSPB1 and HSP90α/HSPC1 may be useful for early prediction of the occurrence of pre-eclampsia in asymptomatic women. METHODS We have measured by ELISA the levels of HSPB1, HSPC1, and placental protein 13 (PP13) in serum samples from 44 women in the first trimester (10-12 weeks) and second trimester (17-20 weeks) of pregnancy. Western blot and immunohistochemistry for HSPB1 and HSPC1 were performed. RESULTS HSPB1 serum levels were higher in women with pre-eclampsia than in normotensive pregnant women at the first and second trimester (P = 0.003), whereas PP13 levels decreased in women with pre-eclampsia only in the first trimester of gestation (P = 0.021). We also observed higher HSPB1 levels in patients with early-onset pre-eclampsia in the first and second trimester (P = 0.014). CONCLUSION This pilot study points out that circulating HSPB1 levels in first and second trimester might be useful for predicting the occurrence of pre-eclampsia in asymptomatic women. Further validation studies are needed to finally establish this protein as a candidate predictive biomarker of pre-eclampsia.
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Affiliation(s)
- Raquel L Martin
- Lagomaggiore Hospital, Mendoza, Argentina.,Medical School, National University of Cuyo, Mendoza, Argentina
| | - Mayra L Sottile
- Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina-National University of Cuyo, Mendoza, Argentina.,Medical School, University of Mendoza, Mendoza, Argentina
| | - Analia L Redondo
- Medical School, National University of Cuyo, Mendoza, Argentina.,Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina-National University of Cuyo, Mendoza, Argentina
| | - Laura C Gomez
- Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina-National University of Cuyo, Mendoza, Argentina.,Medical School, University of Mendoza, Mendoza, Argentina
| | - Gisel V Gauna
- Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina-National University of Cuyo, Mendoza, Argentina
| | - Marina I Flamini
- Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina-National University of Cuyo, Mendoza, Argentina
| | | | | | | | - Silvina B Nadin
- Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina-National University of Cuyo, Mendoza, Argentina
| | - Laura M Vargas-Roig
- Medical School, National University of Cuyo, Mendoza, Argentina.,Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina-National University of Cuyo, Mendoza, Argentina
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3
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Yi L, Zhang S, Feng Y, Wu W, Chang C, Chen D, Chen S, Zhao J, Zhen G. Increased epithelial galectin-13 expression associates with eosinophilic airway inflammation in asthma. Clin Exp Allergy 2021; 51:1566-1576. [PMID: 34075657 DOI: 10.1111/cea.13961] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 05/20/2021] [Accepted: 05/23/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Airway eosinophilic inflammation is a central feature in asthma which is mainly driven by type 2 response. The expression of galectin-13 was up-regulated in a parasitic infection model which is also characterized by type 2 immune response. We hypothesized that galectin-13 may be involved in airway eosinophilic inflammation in asthma. OBJECTIVE To unveil the role of galectin-13 in asthma airway inflammation. METHODS We measured galectin-13 expressions in bronchial brushings, sputum, and plasma of asthma patients (n = 54) and healthy controls (n = 15), and analysed the correlations between galectin-13 expression and airway eosinophilia. We used human bronchial epithelial cell line 16HBE to investigate the possible mechanism by which galectin-13 participates in eosinophilic inflammation. RESULTS The expression of galectin-13 was markedly increased in subjects with asthma compared to controls. Epithelial galectin-13 mRNA levels in asthmatic subjects were strongly correlated with eosinophilic airway inflammation (the percentage of sputum eosinophils, the number of eosinophils in bronchial submucosa and FeNO) and the expression of Th2 signature genes (CLCA1, POSTN and SERPINB2). Inhaled corticosteroid (ICS) treatment reduced plasma galectin-13 levels, and baseline plasma galectin-13 levels reflect the response to ICS treatment. In cultured 16HBE cells, knockdown of galectin-13 suppressed IL-13-stimulated MCP-1 and eotaxin-1 expression by inhibiting the activation of EGFR and ERK. CONCLUSIONS & CLINICAL RELEVANCE Galectin-13 is a novel marker for airway eosinophilia in asthma, and may contribute to allergic airway eosinophilic inflammation by up-regulating the expression of MCP-1 and eotaxin-1. Plasma galectin-13 levels may be useful for predicting responses to ICS treatment.
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Affiliation(s)
- Lingling Yi
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
| | - Shuchen Zhang
- Department of Allergy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuchen Feng
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
| | - Wenliang Wu
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
| | - Chenli Chang
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
| | - Dian Chen
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
| | - Shengchong Chen
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
| | - Jianping Zhao
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
| | - Guohua Zhen
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases, National Health Commission of People's Republic of China, Wuhan, China
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4
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Gong J, Zhou G, Wu Y, Zhang S, Liu X. Offline Selective Extraction Combined with Online Enrichment for Sensitive Analysis of Chondroitin Sulfate by Capillary Electrophoresis. J Chromatogr Sci 2020; 58:868-874. [DOI: 10.1093/chromsci/bmaa052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 05/26/2020] [Accepted: 07/23/2020] [Indexed: 11/13/2022]
Abstract
AbstractA capillary electrophoresis (CE) method combined with online and offline enrichment for improving the detection sensitivity of chondroitin sulfate (CS) is established. The online enrichment method is based on the field-amplified sample stacking and large volume electrokinetic injection, and offline enrichment is based on the association between cetyltrimethylammonium chloride and CS. Experimental parameters affecting CE method such as the type and pH of background electrolyte, the injection mode and time and the steps of offline enrichment were optimized. Under optimum conditions, the calibration plot between CS concentration and peak area was linear in the range of 1 ~ 100 μg/mL. The enrichment factor was 130 times and the limit of detection was 50 ng/mL. The average recovery was 103.5% and the relative standard deviation of peak area was <2.0%. The method was successfully applied to the quantitative analysis of CS in drugs.
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Affiliation(s)
- Jie Gong
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Guanglian Zhou
- School of Chemistry and Chemical Engineering, Qilu University of Technology, Jinan 250353, China
| | - Yuanhong Wu
- Obstetrics and Gynecology Department, Jinan Shizhong People’s Hospital, Jinan 250002, China
| | - Siying Zhang
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Xiumei Liu
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
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5
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Lepedda AJ, De Muro P, Capobianco G, Formato M. Role of the small proteoglycan bikunin in human reproduction. Hormones (Athens) 2020; 19:123-133. [PMID: 31728877 DOI: 10.1007/s42000-019-00149-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 10/21/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE Female reproductive events, including ovulation, menstruation, implantation, and delivery, are physiologically characterized by deep tissue remodeling and display hallmark signs of inflammation. This review discusses the pleiotropic roles played by bikunin in human reproduction. METHODS A comprehensive literature search of the Medline/PubMed database was performed on the following topics: bikunin structure, roles in pathophysiological conditions and involvement in human reproduction, and usefulness as a marker of gestational complications or as a drug to improve pregnancy outcomes. RESULTS Bikunin is a small chondroitin sulfate proteoglycan found in blood, urine, and amniotic and cerebrospinal fluids, known for its anti-inflammatory and anti-proteolytic activities. Its levels are usually low, but they can increase several-fold in both acute and chronic inflammatory diseases. Bikunin plays key roles in reproductive events, such as cumulus-oocyte complex formation, pregnancy, and delivery. Its levels have been associated with the most common pregnancy complications such as preterm delivery, pre-eclampsia, and gestational diabetes mellitus. Finally, its intravaginal administration has been reported to reduce the risk of preterm delivery and to improve neonatal outcomes. CONCLUSIONS Because of its pleiotropic roles in several reproductive events and its association with some life-threatening pathological conditions of pregnancy, bikunin may represent a non-invasive marker for improving follow-up and early diagnosis. Studies showing its usefulness as a drug for reducing the risk of preterm delivery and improving neonatal outcomes have yielded interesting results that deserve to be investigated through further research.
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Affiliation(s)
- Antonio Junior Lepedda
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43, 07100, Sassari, Italy
| | - Pierina De Muro
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43, 07100, Sassari, Italy
| | - Giampiero Capobianco
- Gynecologic and Obstetric Clinic, Department of Medical, Surgical and Experimental Sciences, University of Sassari, Viale San Pietro 12, 07100, Sassari, Italy.
| | - Marilena Formato
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43, 07100, Sassari, Italy.
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6
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Vokalova L, Balogh A, Toth E, Van Breda SV, Schäfer G, Hoesli I, Lapaire O, Hahn S, Than NG, Rossi SW. Placental Protein 13 (Galectin-13) Polarizes Neutrophils Toward an Immune Regulatory Phenotype. Front Immunol 2020; 11:145. [PMID: 32117288 PMCID: PMC7028707 DOI: 10.3389/fimmu.2020.00145] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/20/2020] [Indexed: 12/17/2022] Open
Abstract
Termed as galectin-13, placental protein 13 (PP13) is exclusively expressed in the placenta of anthropoid primates. Research on PP13 in normal and pathologic pregnancies show alteration of PP13 concentrations in pregnancy affected by preeclampsia or gestational diabetes. Galectins are also described as potent immunomodulators, and PP13 regulates T cell function in the placenta. Therefore, this study aims to investigate the effects of PP13 on neutrophils; a cell type often ignored in pregnancy, but present in the uterus and placenta from the early stages of pregnancy. Since neutrophil function is dysregulated during pathologic pregnancies, a link between PP13 and neutrophil activity is possible. We determined that PP13 reduces the apoptosis rate in neutrophils. Also, PP13 increases the expression of PD-L1 and production of HGF, TNF-α, reactive oxygen species (ROS), and MMP-9 in these cells. This phenotype resembles one observed in permissive tumor neutrophils; able to sustain tissue and vessel growth, and inhibit T cell activation. At the same time, PP13 does not alter all neutrophil functions, i.e., extrusion of neutrophil extracellular traps, degranulation, phagocytosis, and ROS production following bacterial exposure. PP13 seems to play an essential role in regulating the activity of neutrophils in the placenta by polarizing them toward a placental-growth-permissive phenotype.
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Affiliation(s)
- Lenka Vokalova
- Prenatal Medicine, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Andrea Balogh
- Systems Biology of Reproduction Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary
| | - Eszter Toth
- Systems Biology of Reproduction Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary
| | - Shane V Van Breda
- Prenatal Medicine, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Günther Schäfer
- Prenatal Medicine, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Irene Hoesli
- Department of Antenatal Care, University Women's Hospital Basel, Basel, Switzerland
| | - Olav Lapaire
- Department of Antenatal Care, University Women's Hospital Basel, Basel, Switzerland
| | - Sinuhe Hahn
- Prenatal Medicine, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Nandor Gabor Than
- Systems Biology of Reproduction Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary.,First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary.,Maternity Private Clinic of Obstetrics and Gynecology, Budapest, Hungary
| | - Simona W Rossi
- Prenatal Medicine, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
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7
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Abassi Z, Goligorsky MS. Heparanase in Acute Kidney Injury. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1221:685-702. [PMID: 32274732 PMCID: PMC7369981 DOI: 10.1007/978-3-030-34521-1_28] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Recent years have brought about fledgling realization of the role played by heparanase in the pathogenesis of diverse diseases including kidney diseases and, specifically, acute kidney injury. Human heparanase-1 is critically and uniquely engaged in cleavage of heparan sulfate, an integral part of glycocalyx and extracellular matrix where it harbors distinct growth factors, cytokines, and other biologically active molecules. The enzyme is induced and activated in acute kidney injury regardless of its causes, ischemic, nephrotoxic, septic or transplantation-related. This event unleashes a host of sequelae characteristic of the pathogenesis of acute kidney injury, such as induction and reinforcement of innate immune responses, predisposition to thrombosis, activation of monocytes/macrophages and remodeling of the extracellular matrix, thus setting up the stage for future fibrotic complications and development of chronic kidney disease. We briefly discuss the emerging therapeutic strategies of inhibiting heparanase, as well as the diagnostic value of detecting products of heparanase activity for prognostication and treatment.
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Affiliation(s)
- Zaid Abassi
- Department of Physiology, Bruce Rappaport Faculty of Medicine, Technion-IIT, Haifa, Israel.
- Department of Laboratory Medicine, Rambam Health Care Campus, Haifa, Israel.
| | - M S Goligorsky
- Departments of Medicine, Physiology and Pharmacology, New York Medical College, Valhalla, NY, USA
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8
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Glycosaminoglycans in biological samples – Towards identification of novel biomarkers. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115732] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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9
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Gadde R, Cd D, Sheela SR. Placental protein 13: An important biological protein in preeclampsia. J Circ Biomark 2018; 7:1849454418786159. [PMID: 30023011 PMCID: PMC6047241 DOI: 10.1177/1849454418786159] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 05/28/2018] [Indexed: 12/26/2022] Open
Abstract
Placental protein 13 (PP13), a glycan binding protein predominantly expressed in syncytiotrophoblast, dimeric in nature, lacks N-terminal signal peptide, bypasses the endoplasmic reticulum, and secretes into maternal circulation as exosomes or microvesicles. PP13 has jelly roll fold conformation with conserved carbohydrate recognition domain which specifically binds to β-galactosides of the glycan receptors during placentation. PP13 binds to glycosylated receptors on human erythrocytes and brings about hemagglutination by the property of lectin activity; other functions are immunoregulation and vasodilation during placentation and vascularization. The gene LGALS13 located on 19q13.2 comprising four exons expresses a 32-kDa protein with 139 amino acid residues, PP13. Impaired expression due to mutation in the gene leads to a nonfunctional truncated PP13. The low serum levels predict high risk for the onset of preeclampsia or obstetric complications. Hence, PP13 turned to be an early marker for risk assessment of preeclampsia. The recombinant PP13 and monoclonal antibodies availability help for replenishing PP13 in conditions with low serum levels and for detection and prevention of preeclampsia, respectively.
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Affiliation(s)
- Ranjeeta Gadde
- Department of Biochemistry, Sri Devaraj Urs Medical College, Kolar, India
| | - Dayanand Cd
- Department of Biochemistry, Sri Devaraj Urs Medical College, Kolar, India
| | - S R Sheela
- Department of Obstetrics and Gynecology, Sri Devaraj Urs Medical College, Kolar, India
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10
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Asiltas B, Surmen-Gur E, Uncu G. Prediction of first-trimester preeclampsia: Relevance of the oxidative stress marker MDA in a combination model with PP-13, PAPP-A and beta-HCG. ACTA ACUST UNITED AC 2018; 25:131-135. [PMID: 29510888 DOI: 10.1016/j.pathophys.2018.02.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 02/16/2018] [Accepted: 02/26/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Early diagnosis of preeclampsia (PE) is very important and various parameters, individually or in combined models, are reported useful for prediction of PE. The objective of this study is to investigate the predictive value of pregnancy-associated plasma protein-A (PAPP-A), placental protein-13 (PP-13), human Chorionic Gonadotropin (B-HCG), and oxidative stress marker malondialdehyde (MDA), individually and in combination. MATERIALS AND METHODS Maternal sera of 38 cases with PE and 122 controls were collected for first trimester screening and tested for PAPP-A and B-HCG by chemiluminescence, for PP-13 by using ELISA, and for MDA by high-performance liquid chromatography. Combined models of parameters were constituted as "MDA + PP-13", "PP-13 + PAPP-A + B-HCG" and "MDA + PP-13 + PAPP-A + B-HCG". The diagnostic performances of serum markers of preeclampsia were examined by nonparametric receiver-operator characteristics (ROC) analysis. RESULTS PP-13 levels were significantly lower (p < 0.001) and MDA levels were significantly higher (p < 0.001) in PE. The area under the ROC curve (AUC) for MDA and PP-13 were greater than those for PAPP-A and B-HCG (p < 0.001). The AUCs of the combined models were significantly larger than those of individual parameters. The combined model "MDA + PP-13 + PAPP-A + B-HCG" exhibited the best predictive outcome with an AUC of 0.91 [95% CI 0.86-0.95], 97% [95% CI 86.2-99.9] sensitivity and 75% [95% CI 66.5-82.6] specificity, and was significantly different from that of "PAPP-A + PP-13 + B-HCG" model, but similar to that of "MDA + PP-13" model. CONCLUSION Combined models consisting of various parameters of different origin, may provide better predictive outcomes, and oxidative markers should be considered in combination with other placental biomarkers in prediction of PE.
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Affiliation(s)
- Burak Asiltas
- Uludag University, Medical Faculty, Department of Biochemistry, 16059 Bursa, Turkey.
| | - Esma Surmen-Gur
- Uludag University, Medical Faculty, Department of Biochemistry, 16059 Bursa, Turkey.
| | - Gurkan Uncu
- Uludag University, Medical Faculty, Department of Obstetrics and Gynecology, 16059 Bursa, Turkey.
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11
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Kenny LC, Kell DB. Immunological Tolerance, Pregnancy, and Preeclampsia: The Roles of Semen Microbes and the Father. Front Med (Lausanne) 2018; 4:239. [PMID: 29354635 PMCID: PMC5758600 DOI: 10.3389/fmed.2017.00239] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 12/12/2017] [Indexed: 12/18/2022] Open
Abstract
Although it is widely considered, in many cases, to involve two separable stages (poor placentation followed by oxidative stress/inflammation), the precise originating causes of preeclampsia (PE) remain elusive. We have previously brought together some of the considerable evidence that a (dormant) microbial component is commonly a significant part of its etiology. However, apart from recognizing, consistent with this view, that the many inflammatory markers of PE are also increased in infection, we had little to say about immunity, whether innate or adaptive. In addition, we focused on the gut, oral and female urinary tract microbiomes as the main sources of the infection. We here marshall further evidence for an infectious component in PE, focusing on the immunological tolerance characteristic of pregnancy, and the well-established fact that increased exposure to the father's semen assists this immunological tolerance. As well as these benefits, however, semen is not sterile, microbial tolerance mechanisms may exist, and we also review the evidence that semen may be responsible for inoculating the developing conceptus (and maybe the placenta) with microbes, not all of which are benign. It is suggested that when they are not, this may be a significant cause of PE. A variety of epidemiological and other evidence is entirely consistent with this, not least correlations between semen infection, infertility and PE. Our view also leads to a series of other, testable predictions. Overall, we argue for a significant paternal role in the development of PE through microbial infection of the mother via insemination.
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Affiliation(s)
- Louise C. Kenny
- The Irish Centre for Fetal and Neonatal Translational Research (INFANT), University College Cork, Cork, Ireland
- Department of Obstetrics and Gynecology, University College Cork, Cork, Ireland
- Faculty of Health and Life Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Douglas B. Kell
- School of Chemistry, The University of Manchester, Manchester, United Kingdom
- The Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
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12
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Shrikanth CB, Sanjana J, Chilkunda ND. One-pot analysis of sulfated glycosaminoglycans. Glycoconj J 2017; 35:129-137. [PMID: 29209879 DOI: 10.1007/s10719-017-9809-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 11/17/2017] [Accepted: 11/28/2017] [Indexed: 11/26/2022]
Abstract
Routine isolation, estimation, and characterization of glycosaminoglycans (GAGs) is quite challenging. This is compounded by the fact that the analysis is technique-intensive and more often there will be a limitation on the quantity of GAGs available for various structural, functional and biological studies. In such a scenario, the sample which can be made available for estimation and elucidation of disaccharide composition and species composition as well remains a challenge. In the present study, we have determined the feasibility where isolated sulfated GAGs (sGAG) that is estimated by metachromasia is recovered for further analysis. sGAG-DMMB complex formed after estimation of sGAG by DMMB dye-binding assay was decomplexed and sGAGs were recovered. Recovered sGAGs were analysed by cellulose acetate membrane electrophoresis and taken up for disaccharide composition analysis by HPLC after fluorescent labelling. Good recovery of sGAGs after metachromasia was observed in all samples of varying levels of purity by this protocol. Further analysis using cellulose acetate membrane electrophoresis showed good separation between species of sGAGs namely chondroitin/dermatan sulfate and heparan sulfate, with comparatively lesser interference from hyaluronic acid, a non-sulfated GAG. Analysis of recovered sGAGs, specifically heparan sulfate by HPLC showed characteristic disaccharide composition akin to that of GAG obtained by the conventional protocol. Thus, in the present paper, we show that sGAG can be recovered in comparatively purer form after routine estimation and can be used for further analysis thus saving up on the precious sample.
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Affiliation(s)
- C B Shrikanth
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, 570 020, India
| | - J Sanjana
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, 570 020, India
| | - Nandini D Chilkunda
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, 570 020, India.
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