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Buschmann C, Unverdorben L, Knabl J, Hutter S, Meister S, Beyer S, Burgmann M, Keilmann L, Zati zehni A, Schmoeckel E, Kessler M, Jeschke U, Mahner S, Kolben T, Ganster F, Burges A. Galectin-10 Expression in Placentas of Women with Gestational Diabetes. Curr Issues Mol Biol 2023; 45:8840-8851. [PMID: 37998731 PMCID: PMC10670440 DOI: 10.3390/cimb45110554] [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: 06/16/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/25/2023] Open
Abstract
Galectins are known to play an important role in immunoregulatory processes and autoimmune diseases. Galectin-10 is a cytoplasmic protein of human eosinophils and is involved in various eosinophilic diseases. Since increased galectin expression is already detected in the placentas of mothers with gestational diabetes mellitus (GDM), this study focuses on the specific role of galectin-10 and hints at consequences for the diagnosis and therapeutic options of GDM. It is hypothesized that the difference in galectin-10 expression will raise the pathophysiological understanding of gestational diabetes. The study population consists of 80 women: 40 healthy mothers and 40 women suffering from gestational diabetes mellitus. The expression of galectin-10 was analyzed in the syncytiotrophoblast (SCT) and the decidua of the placenta via immunohistochemistry and immunofluorescence double staining. The immunoreactivity score (IRS) was used for evaluation. The results in this study were significant for an overexpression of galectin-10 in GDM placentas compared with the control group. The syncytiotrophoblast showed overexpression in the nucleus and the cytoplasm, whereas expression of galectin-10 in the decidua was significant in the cytoplasm only. This study identified the expression changes in galectin-10 in placental tissue between healthy and GDM mothers and intensified the understanding of gestational diabetes. Assuming that gestational diabetes mellitus is involved in inflammatory processes, galectin-10 might play a role in the development and maintenance of GDM. Further investigation is required to strengthen these findings.
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Affiliation(s)
- Christina Buschmann
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Laura Unverdorben
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Julia Knabl
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Stefan Hutter
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Sarah Meister
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Susanne Beyer
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Maximiliane Burgmann
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Lucia Keilmann
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Alaleh Zati zehni
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Elisa Schmoeckel
- Department of Pathology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Mirjana Kessler
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Udo Jeschke
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
- Department of Obstetrics and Gynecology, University Hospital Augsburg, 86156 Augsburg, Germany
| | - Sven Mahner
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Thomas Kolben
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Franziska Ganster
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Alexander Burges
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 81377 Munich, Germany
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Mikkelsen E, Huppertz B, Singh R, Ravn K, Hatt L, Kruhøffer M, Urrabaz-Garza R, Uldbjerg N, Menon R, Steiniche T. mRNA and Protein Expression in Human Fetal Membrane Cells: Potential Biomarkers for Preterm Prelabor Rupture of the Fetal Membranes? Int J Mol Sci 2023; 24:15826. [PMID: 37958809 PMCID: PMC10650701 DOI: 10.3390/ijms242115826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/27/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023] Open
Abstract
Clinically, unique markers in fetal membrane cells may contribute to the search for biomarkers for preterm prelabor rupture of the fetal membranes (pPROM) in maternal blood. pPROM is associated with overwhelming inflammation and premature cellular senescence causing "biological microfractures" of the fetal membranes. We hypothesize that these pathological processes are associated with the shedding of fetal membrane cells into the maternal circulation. The aim of this study was to identify markers expressed exclusively in fetal membrane cells to facilitate their isolation, characterization, and determination of biomarker potential in maternal blood. We have (1), by their transcriptomic profile, identified markers that are upregulated in amnion and chorion tissue compared to maternal white blood cells, and (2), by immunohistochemistry, confirmed the localization of the differentially expressed proteins in fetal membranes, placenta, and the placental bed of the uterus. RNA sequencing revealed 31 transcripts in the amnion and 42 transcripts in the chorion that were upregulated. Among these, 22 proteins were evaluated by immunohistochemistry. All but two transcripts were expressed both on mRNA and protein level in at least one fetal membrane cell type. Among these remaining 20 proteins, 9 proteins were not significantly expressed in the villous and extravillous trophoblasts of the placenta.
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Affiliation(s)
- Emmeli Mikkelsen
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Blvd. 11, 8200 Aarhus, Denmark; (E.M.); (N.U.)
- Department of Obstetrics and Gynaecology, Aarhus University Hospital, Palle Juul-Jensens Blvd. 99, 8200 Aarhus, Denmark
| | - Berthold Huppertz
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria;
| | - Ripudaman Singh
- ARCEDI Biotech Aps, Tabletvej 1, 7100 Vejle, Denmark; (R.S.); (K.R.); (L.H.)
| | - Katarina Ravn
- ARCEDI Biotech Aps, Tabletvej 1, 7100 Vejle, Denmark; (R.S.); (K.R.); (L.H.)
| | - Lotte Hatt
- ARCEDI Biotech Aps, Tabletvej 1, 7100 Vejle, Denmark; (R.S.); (K.R.); (L.H.)
| | | | - Rheanna Urrabaz-Garza
- Division of Basic Science and Translational Research, Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555, USA (R.M.)
| | - Niels Uldbjerg
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Blvd. 11, 8200 Aarhus, Denmark; (E.M.); (N.U.)
- Department of Obstetrics and Gynaecology, Aarhus University Hospital, Palle Juul-Jensens Blvd. 99, 8200 Aarhus, Denmark
| | - Ramkumar Menon
- Division of Basic Science and Translational Research, Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555, USA (R.M.)
| | - Torben Steiniche
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Blvd. 11, 8200 Aarhus, Denmark; (E.M.); (N.U.)
- Department of Histopathology, Aarhus University Hospital, Palle Juul-Jensens Blvd. 99, 8200 Aarhus, Denmark
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Pełech A, Ruszała M, Niebrzydowska-Tatus M, Bień K, Kimber-Trojnar Ż, Czuba M, Świstowska M, Leszczyńska-Gorzelak B. Do Serum Galectin-9 Levels in Women with Gestational Diabetes and Healthy Ones Differ before or after Delivery? A Pilot Study. Biomolecules 2023; 13:biom13040697. [PMID: 37189444 DOI: 10.3390/biom13040697] [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: 03/19/2023] [Revised: 04/16/2023] [Accepted: 04/19/2023] [Indexed: 05/17/2023] Open
Abstract
Gestational diabetes mellitus (GDM) is a common metabolic disease that occurs during pregnancy, with the placenta playing an important role in its pathophysiology. Currently, the role of galectin-9 in the development of GDM is unknown. The aim of this study was to compare galectin-9 concentrations in healthy pregnant women and those with GDM. Galectin-9 levels were assessed in serum samples taken both just before and after delivery, as well as in urine samples collected in the postpartum period. Maternal body composition and hydration status were evaluated using the bioelectrical impedance analysis (BIA) method. There were no statistically significant differences in the concentration of galectin-9 in women with GDM compared to healthy pregnant women in their serum samples taken just before delivery, nor in their serum and urine samples collected in the early postpartum period. However, serum galectin-9 concentrations taken before delivery were positively correlated with BMI and parameters related to the amount of adipose tissue assessed in the early postpartum period. Additionally, there was a correlation between serum galectin-9 concentrations taken before and after delivery. Galectin-9 is unlikely to become a diagnostic marker for GDM. However, this subject requires further clinical research in larger groups.
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Affiliation(s)
- Aleksandra Pełech
- Department of Obstetrics and Perinatology, Medical University of Lublin, 20-090 Lublin, Poland
| | - Monika Ruszała
- Department of Obstetrics and Perinatology, Medical University of Lublin, 20-090 Lublin, Poland
| | | | - Katarzyna Bień
- Department of Obstetrics and Perinatology, Medical University of Lublin, 20-090 Lublin, Poland
| | - Żaneta Kimber-Trojnar
- Department of Obstetrics and Perinatology, Medical University of Lublin, 20-090 Lublin, Poland
| | - Monika Czuba
- Department of Clinical Genetics, Medical University of Lublin, 20-080 Lublin, Poland
| | - Małgorzata Świstowska
- Department of Clinical Genetics, Medical University of Lublin, 20-080 Lublin, Poland
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Roles of N-linked glycosylation and glycan-binding proteins in placentation: trophoblast infiltration, immunomodulation, angiogenesis, and pathophysiology. Biochem Soc Trans 2023; 51:639-653. [PMID: 36929183 DOI: 10.1042/bst20221406] [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] [Received: 10/13/2022] [Revised: 02/19/2023] [Accepted: 02/22/2023] [Indexed: 03/18/2023]
Abstract
Protein N-linked glycosylation is a structurally diverse post-translational modification that stores biological information in a larger order of magnitude than other post-translational modifications such as phosphorylation, ubiquitination and acetylation. This gives N-glycosylated proteins a diverse range of properties and allows glyco-codes (glycan-related information) to be deciphered by glycan-binding proteins (GBPs). The intervillous space of the placenta is richly populated with membrane-bound and secreted glycoproteins. Evidence exists to suggest that altering the structural nature of their N-glycans can impact several trophoblast functions, which include those related to interactions with decidual cells. This review summarizes trophoblast-related activities influenced by N-glycan-GBP recognition, exploring how different subtypes of trophoblasts actively adapt to characteristics of the decidualized endometrium through cell-specific expression of N-glycosylated proteins, and how these cells receive decidua-derived signals via N-glycan-GBP interactions. We highlight work on how changes in N-glycosylation relates to the success of trophoblast infiltration, interactions of immunomodulators, and uterine angiogenesis. We also discuss studies that suggest aberrant N-glycosylation of trophoblasts may contribute to the pathogenesis of pregnancy complications (e.g. pre-eclampsia, early spontaneous miscarriages and hydatidiform mole). We propose that a more in-depth understanding of how N-glycosylation shapes trophoblast phenotype during early pregnancy has the potential to improve our approach to predicting, diagnosing and alleviating poor maternal/fetal outcomes associated with placental dysfunction.
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The Blessed Union of Glycobiology and Immunology: A Marriage That Worked. MEDICINES (BASEL, SWITZERLAND) 2023; 10:medicines10020015. [PMID: 36827215 PMCID: PMC9967969 DOI: 10.3390/medicines10020015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/03/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023]
Abstract
In this article, we discuss the main aspects regarding the recognition of cell surface glycoconjugates and the immunomodulation of responses against the progression of certain pathologies, such as cancer and infectious diseases. In the first part, we talk about different aspects of glycoconjugates and delve deeper into the importance of N-glycans in cancer immunotherapy. Then, we describe two important lectin families that have been very well studied in the last 20 years. Examples include the sialic acid-binding immunoglobulin (Ig)-like lectins (siglecs), and galectins. Finally, we discuss a topic that needs to be better addressed in the field of glycoimmunology: the impact of oncofetal antigens on the cells of the immune system. New findings in this area are of great importance for advancement, especially in the field of oncology, since it is already known that cellular interactions mediated by carbohydrate-carbohydrate and/or carbohydrate proteins are able to modulate the progression of different types of cancer in events that compromise the functionality of the immune responses.
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6
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Galectin-2 in Health and Diseases. Int J Mol Sci 2022; 24:ijms24010341. [PMID: 36613785 PMCID: PMC9820181 DOI: 10.3390/ijms24010341] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/13/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Galectin-2 is a prototype member of the galactoside-binding galectin family. It is predominately expressed in the gastrointestinal tract but is also detected in several other tissues such as the placenta and in the cardiovascular system. Galectin-2 expression and secretion by epithelial cells has been reported to contribute to the strength of the mucus layer, protect the integrity of epithelia. A number of studies have also suggested the involvement of galectin-2 in tissue inflammation, immune response and cell apoptosis. Alteration of galectin-2 expression occurs in inflammatory bowel disease, coronary artery diseases, rheumatoid arthritis, cancer, and pregnancy disorders and has been shown to be involved in disease pathogenesis. This review discusses our current understanding of the role and actions of galectin-2 in regulation of these pathophysiological conditions.
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Chen M, Shi JL, Zheng ZM, Lin Z, Li MQ, Shao J. Galectins: Important Regulators in Normal and Pathologic Pregnancies. Int J Mol Sci 2022; 23:ijms231710110. [PMID: 36077508 PMCID: PMC9456357 DOI: 10.3390/ijms231710110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 11/16/2022] Open
Abstract
Galectins (Gal) are characterized by their affinity for galactoside structures on glycoconjugates. This relationship is mediated by carbohydrate recognition domains, which are multifunctional regulators of basic cellular biological processes with high structural similarity among family members. They participate in both innate and adaptive immune responses, as well as in reproductive immunology. Recently, the discovery that galectins are highly expressed at the maternal–fetal interface has garnerd the interest of experts in human reproduction. Galectins are involved in a variety of functions such as maternal–fetal immune tolerance, angiogenesis, trophoblast invasion and placental development and are considered to be important mediators of successful embryo implantation and during pregnancy. Dysregulation of these galectins is associated with abnormal and pathological pregnancies (e.g., preeclampsia, gestational diabetes mellitus, fetal growth restriction, preterm birth). Our work reviews the regulatory mechanisms of galectins in normal and pathological pregnancies and has implications for clinicians in the prevention, diagnosis and treatment of pregnancy-related diseases.
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Affiliation(s)
- Min Chen
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
| | - Jia-Lu Shi
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
| | - Zi-Meng Zheng
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
| | - Zhi Lin
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
| | - Ming-Qing Li
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai 201203, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China
- Correspondence: (M.-Q.L.); (J.S.)
| | - Jun Shao
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
- Department of Obstetrics, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200011, China
- Correspondence: (M.-Q.L.); (J.S.)
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8
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Overexpression of Galectin-4 in placentas of women with gestational diabetes. J Reprod Immunol 2022; 151:103629. [DOI: 10.1016/j.jri.2022.103629] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 04/05/2022] [Accepted: 04/14/2022] [Indexed: 01/09/2023]
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9
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Sharma S, Banerjee S, Krueger PM, Blois SM. Immunobiology of Gestational Diabetes Mellitus in Post-Medawar Era. Front Immunol 2022; 12:758267. [PMID: 35046934 PMCID: PMC8761800 DOI: 10.3389/fimmu.2021.758267] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 12/07/2021] [Indexed: 12/16/2022] Open
Abstract
Although the concepts related to fetal immune tolerance proposed by Sir Peter Medawar in the 1950s have not withstood the test of time, they revolutionized our current understanding of the immunity at the maternal-fetal interface. An important extension of the original Medawar paradigm is the investigation into the underlying mechanisms for adverse pregnancy outcomes, including recurrent spontaneous abortion, preterm birth, preeclampsia and gestational diabetes mellitus (GDM). Although a common pregnancy complication with systemic symptoms, GDM still lacks understanding of immunological perturbations associated with the pathological processes, particularly at the maternal-fetal interface. GDM has been characterized by low grade systemic inflammation that exacerbates maternal immune responses. In this regard, GDM may also entail mild autoimmune pathology by dysregulating circulating and uterine regulatory T cells (Tregs). The aim of this review article is to focus on maternal-fetal immunological tolerance phenomenon and discuss how local or systemic inflammation has been programmed in GDM. Specifically, this review addresses the following questions: Does the inflammatory or exhausted Treg population affecting the Th17:Treg ratio lead to the propensity of a pro-inflammatory environment? Do glycans and glycan-binding proteins (mainly galectins) contribute to the biology of immune responses in GDM? Our understanding of these important questions is still elementary as there are no well-defined animal models that mimic all the features of GDM or can be used to better understand the mechanistic underpinnings associated with this common pregnancy complication. In this review, we will leverage our preliminary studies and the literature to provide a conceptualized discussion on the immunobiology of GDM.
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Affiliation(s)
- Surendra Sharma
- Department of Pediatrics, Women and Infants Hospital-Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Sayani Banerjee
- Department of Pediatrics, Women and Infants Hospital-Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Paula M Krueger
- Department of Pediatrics, Women and Infants Hospital-Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Sandra M Blois
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Jovanović Krivokuća M, Vilotić A, Nacka-Aleksić M, Pirković A, Ćujić D, Legner J, Dekanski D, Bojić-Trbojević Ž. Galectins in Early Pregnancy and Pregnancy-Associated Pathologies. Int J Mol Sci 2021; 23:69. [PMID: 35008499 PMCID: PMC8744741 DOI: 10.3390/ijms23010069] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 12/30/2022] Open
Abstract
Galectins are a family of conserved soluble proteins defined by an affinity for β-galactoside structures present on various glycoconjugates. Over the past few decades, galectins have been recognized as important factors for successful implantation and maintenance of pregnancy. An increasing number of studies have demonstrated their involvement in trophoblast cell function and placental development. In addition, several lines of evidence suggest their important roles in feto-maternal immune tolerance regulation and angiogenesis. Changed or dysregulated galectin expression is also described in pregnancy-related disorders. Although the data regarding galectins' clinical relevance are still at an early stage, evidence suggests that some galectin family members are promising candidates for better understanding pregnancy-related pathologies, as well as predicting biomarkers. In this review, we aim to summarize current knowledge of galectins in early pregnancy as well as in pregnancy-related pathologies.
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Affiliation(s)
| | | | | | | | | | | | | | - Žanka Bojić-Trbojević
- Institute for Application of Nuclear Energy Department for Biology of Reproduction, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia; (M.J.K.); (A.V.); (M.N.-A.); (A.P.); (D.Ć.); (J.L.); (D.D.)
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11
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Novel Biomolecules in the Pathogenesis of Gestational Diabetes Mellitus. Int J Mol Sci 2021; 22:ijms222111578. [PMID: 34769010 PMCID: PMC8584125 DOI: 10.3390/ijms222111578] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/16/2021] [Accepted: 10/22/2021] [Indexed: 12/12/2022] Open
Abstract
Gestational diabetes mellitus (GDM) is one of the most common metabolic diseases in pregnant women. Its early diagnosis seems to have a significant impact on the developing fetus, the course of delivery, and the neonatal period. It may also affect the later stages of child development and subsequent complications in the mother. Therefore, the crux of the matter is to find a biopredictor capable of singling out women at risk of developing GDM as early as the very start of pregnancy. Apart from the well-known molecules with a proven and clear-cut role in the pathogenesis of GDM, e.g., adiponectin and leptin, a potential role of newer biomolecules is also emphasized. Less popular and less known factors with different mechanisms of action include: galectins, growth differentiation factor-15, chemerin, omentin-1, osteocalcin, resistin, visfatin, vaspin, irisin, apelin, fatty acid-binding protein 4 (FABP4), fibroblast growth factor 21, and lipocalin-2. The aim of this review is to present the potential and significance of these 13 less known biomolecules in the pathogenesis of GDM. It seems that high levels of FABP4, low levels of irisin, and high levels of under-carboxylated osteocalcin in the serum of pregnant women can be used as predictive markers in the diagnosis of GDM. Hopefully, future clinical trials will be able to determine which biomolecules have the most potential to predict GDM.
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12
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Galectins in Endothelial Cell Biology and Angiogenesis: The Basics. Biomolecules 2021; 11:biom11091386. [PMID: 34572599 PMCID: PMC8464943 DOI: 10.3390/biom11091386] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/17/2021] [Accepted: 09/18/2021] [Indexed: 01/22/2023] Open
Abstract
Angiogenesis, the growth of new blood vessels out of existing vessels, is a complex and tightly regulated process. It is executed by the cells that cover the inner surface of the vasculature, i.e., the endothelial cells. During angiogenesis, these cells adopt different phenotypes, which allows them to proliferate and migrate, and to form tube-like structures that eventually result in the generation of a functional neovasculature. Multiple internal and external cues control these processes and the galectin protein family was found to be indispensable for proper execution of angiogenesis. Over the last three decades, several members of this glycan-binding protein family have been linked to endothelial cell functioning and to different steps of the angiogenesis cascade. This review provides a basic overview of our current knowledge regarding galectins in angiogenesis. It covers the main findings with regard to the endothelial expression of galectins and highlights their role in endothelial cell function and biology.
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Galectins in Cancer and the Microenvironment: Functional Roles, Therapeutic Developments, and Perspectives. Biomedicines 2021; 9:biomedicines9091159. [PMID: 34572346 PMCID: PMC8465754 DOI: 10.3390/biomedicines9091159] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/26/2021] [Accepted: 08/31/2021] [Indexed: 12/15/2022] Open
Abstract
Changes in cell growth and metabolism are affected by the surrounding environmental factors to adapt to the cell’s most appropriate growth model. However, abnormal cell metabolism is correlated with the occurrence of many diseases and is accompanied by changes in galectin (Gal) performance. Gals were found to be some of the master regulators of cell–cell interactions that reconstruct the microenvironment, and disordered expression of Gals is associated with multiple human metabolic-related diseases including cancer development. Cancer cells can interact with surrounding cells through Gals to create more suitable conditions that promote cancer cell aggressiveness. In this review, we organize the current understanding of Gals in a systematic way to dissect Gals’ effect on human disease, including how Gals’ dysregulated expression affects the tumor microenvironment’s metabolism and elucidating the mechanisms involved in Gal-mediated diseases. This information may shed light on a more precise understanding of how Gals regulate cell biology and facilitate the development of more effective therapeutic strategies for cancer treatment by targeting the Gal family.
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14
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Xu WD, Wu Q, He YW, Huang AF, Lan YY, Fu L, Zhou J, Liu XY. Gene polymorphisms of LGALS2, LGALS3 and LGALS9 in patients with rheumatoid arthritis. Cell Immunol 2021; 368:104419. [PMID: 34371260 DOI: 10.1016/j.cellimm.2021.104419] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/11/2021] [Accepted: 07/31/2021] [Indexed: 01/05/2023]
Abstract
Rheumatoid arthritis (RA) is a complicated rheumatic autoimmune disease. Lectin, galactoside-binding soluble, 2 (LGALS2), LGALS3 and LGALS9, three members of the galectin family, play potential roles in autoimmune diseases, including RA. However, association of genetic polymorphisms of LGALS2, LGALS3 and LGALS9 with RA risk in a Southern Chinese Han population has not been elucidated. A case-control study was conducted herein, including 500 RA patients and 650 healthy individuals of Southern Chinese Han origin. Twelve single nucleotide polymorphisms (SNPs), including rs7291467 for the LGALS2 gene, rs4644, rs4652, rs1009977, rs2274273 and rs17128183 for the LGALS3 gene, and rs4795835, rs3763959, rs4239242, rs3751093, rs732222 and rs4794976 for the LGALS9 gene, were genotyped. Polymorphisms were genotyped using the KASP method. Frequencies of rs1009977 genotype TG and rs3751093 genotype GA of LGALS3 gene were significantly different between RA patients and healthy controls (P = 0.049, P = 0.033). Allele T and genotypes TT and TT + TG of rs4794976 for LGALS9 gene were significantly correlated with RA risk (P = 0.017, P = 0.012, P = 0.041). Subgroup analysis revealed that rs1009977, rs2274273 and rs17128183 polymorphisms of LGALS3 gene and rs4795835 polymorphism of LGALS9 gene were correlated with several RA clinical manifestations (all P < 0.05). In addition, haplotype GCGTT showed an increased risk for RA (OR = 1.216, 95% CI: 1.028-1.438, P = 0.023), whereas haplotype GCGTG showed a reduced risk for RA susceptibility (OR = 0.779, 95% CI: 0.625-0.971, P = 0.026). In conclusion, LGALS3 and LGALS9 gene polymorphisms may associate with RA predisposition in a Southern Chinese Han population.
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Affiliation(s)
- Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China.
| | - Qian Wu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Yan-Wei He
- Department of Orthopaedics, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
| | - You-Yu Lan
- Department of Rheumatology and Immunology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Lu Fu
- Laboratory Animal Center, Southwest Medical University, Luzhou, Sichuan, China
| | - Jie Zhou
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao-Yan Liu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
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