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Rigouzzo A, Froissant PA, Louvet N. Changing hemostatic management in post-partum hemorrhage. Am J Hematol 2024; 99 Suppl 1:S13-S18. [PMID: 38450849 DOI: 10.1002/ajh.27264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/27/2024] [Accepted: 02/09/2024] [Indexed: 03/08/2024]
Abstract
Early and fast assessment of hemostasis during postpartum hemorrhage (PPH) is essential to allow early characterization of coagulopathy, estimate bleeding severity and improve outcome. During PPH, fibrinogen decrease occurs earlier than other coagulation factors deficiency and hypofibrinogenemia is an early marker of PPH severity of progression. With good evidence in the context of PPH, point-of-care viscoelastic (VET) hemostatic assays have been shown to provide rapid assessment of hemostatic disorders, low fibrinogen levels, and allow VET-guided fibrinogen replacement. Further studies are needed to define the thresholds for the other coagulation parameters.
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Affiliation(s)
- Agnès Rigouzzo
- Anesthesiology Intensive Care Department, Armand Trousseau Hospital, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Pierre-Antoine Froissant
- Anesthesiology Intensive Care Department, Armand Trousseau Hospital, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Nicolas Louvet
- Anesthesiology Intensive Care Department, Armand Trousseau Hospital, Assistance Publique Hôpitaux de Paris, Paris, France
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Gulbiniene V, Dumalakiene I, Balciuniene G, Pilypiene I, Narkeviciute I, Novickij V, Vysniauskis G, Ramasauskaite D. Soluble urokinase plasminogen activator receptor in vaginally collected amniotic fluid predicting fetal inflammatory response syndrome: a prospective cohort study. BMC Pregnancy Childbirth 2024; 24:54. [PMID: 38200448 PMCID: PMC10782524 DOI: 10.1186/s12884-023-06221-0] [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: 08/11/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND Improving noninvasive antenatal diagnosis of fetal inflammatory response syndrome (FIRS) can assist in the evaluation of prenatal risk and reduce perinatal outcomes. This study aimed to determine whether soluble urokinase-type plasminogen activator receptor (suPAR) in vaginally collected amniotic fluid is significant in identifying FIRS after preterm premature rupture of membranes before 34 weeks of gestation. METHODS This was a prospective cohort study of 114 pregnant women and their newborns after preterm premature rupture of membranes at 22-34+6 weeks of gestation. SuPAR was evaluated using an enzyme-linked immunosorbent assay in vaginally collected amniotic fluid. Patients were classified according to the presence or absence of FIRS. FIRS was defined by umbilical cord blood interleukin-6 level > 11 pg/mL or histological funisitis. The data were analyzed using the R package (R-4.0.5). RESULTS SuPAR was detected in all amniotic fluid samples with a median of 26.23 ng/mL (interquartile range (IQR), 15.19-51.14). The median level of suPAR was higher in the FIRS group than in the non-FIRS group, 32.36 ng/mL (IQR, 17.27-84.16) vs. 20.46 ng/mL (IQR, 11.49-36.63) (P = 0.01), respectively. The presence of histological chorioamnionitis significantly increased the suPAR concentration in the FIRS group (P < 0.001). The areas under the curve for FIRS and FIRS with histological chorioamnionitis were 0.65 and 0.74, respectively, with an optimum cutoff value of 27.60 ng/mL. Controlling for gestational age, the cutoff of suPAR more than 27.60 ng/mL predicted threefold higher odds for FIRS and sixfold higher odds for FIRS with histologic chorioamnionitis. CONCLUSION Soluble urokinase-type plasminogen activator receptor in vaginally obtained amniotic fluid may assist in evaluating prenatal risk of FIRS in patients after preterm premature rupture of membranes before 34 weeks of gestation.
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Affiliation(s)
| | - Irena Dumalakiene
- Department of Immunology, State Research Institute Center of Innovative Medicine, Vilnius, Lithuania
| | | | | | - Ieva Narkeviciute
- Department of Immunology, State Research Institute Center of Innovative Medicine, Vilnius, Lithuania
| | - Vitalij Novickij
- Department of Immunology, State Research Institute Center of Innovative Medicine, Vilnius, Lithuania
| | - Gintautas Vysniauskis
- Department of Immunology, State Research Institute Center of Innovative Medicine, Vilnius, Lithuania
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3
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Ide R, Oda T, Todo Y, Kawai K, Matsumoto M, Narumi M, Kohmura-Kobayashi Y, Furuta-Isomura N, Yaguchi C, Uchida T, Suzuki K, Kanayama N, Itoh H, Tamura N. Comparative analysis of hyperfibrinolysis with activated coagulation between amniotic fluid embolism and severe placental abruption. Sci Rep 2024; 14:272. [PMID: 38168649 PMCID: PMC10761968 DOI: 10.1038/s41598-023-50911-w] [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: 03/11/2023] [Accepted: 12/27/2023] [Indexed: 01/05/2024] Open
Abstract
Amniotic fluid embolism (AFE) and placental abruption (PA) are typical obstetric diseases associated with disseminated intravascular coagulation (DIC). AFE is more likely to be complicated with enhanced fibrinolysis than PA. AFE may have an additional mechanism activating fibrinolytic cascade. We aimed to compare the coagulation/fibrinolysis factors among AFE, PA, and peripartum controls. We assessed AFE cases registered in the Japanese AFE Registry, and PA cases complicated with DIC (severe PA) and peripartum controls recruited at our hospital. The following factors in plasma were compared: prothrombin fragment 1 + 2 (PF1 + 2), plasmin α2-plasmin inhibitor complex (PIC), tissue factor (TF), tissue plasminogen activator (tPA), annexin A2 (AnnA2), total thrombin activatable fibrinolysis inhibitor (TAFI) including its activated form (TAFIa), and plasminogen activator inhibitor-type 1 (PAI-1). PF1 + 2 and PIC were markedly increased in both AFE (n = 27) and severe PA (n = 12) compared to controls (n = 23), without significant difference between those disease groups; however, PIC in AFE showed a tendency to elevate relative to PF1 + 2, compared with severe PA. AFE had significantly increased tPA and decreased total TAFI levels compared with severe PA and controls, which might be associated with further plasmin production in AFE and underlie its specific fibrinolytic activation pathway.
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Affiliation(s)
- Rui Ide
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Tomoaki Oda
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan.
| | - Yusuke Todo
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Kenta Kawai
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Masako Matsumoto
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Megumi Narumi
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Yukiko Kohmura-Kobayashi
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Naomi Furuta-Isomura
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Chizuko Yaguchi
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Toshiyuki Uchida
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Kazunao Suzuki
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Naohiro Kanayama
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Hiroaki Itoh
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
| | - Naoaki Tamura
- Department of Obstetrics & Gynecology, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
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Lee KN, Park KH, Ahn K, Im EM, Oh E, Cho I. Extracellular matrix-related and serine protease proteins in the amniotic fluid of women with early preterm labor: Association with spontaneous preterm birth, intra-amniotic inflammation, and microbial invasion of the amniotic cavity. Am J Reprod Immunol 2023; 90:e13736. [PMID: 37382175 DOI: 10.1111/aji.13736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 03/03/2023] [Accepted: 06/02/2023] [Indexed: 06/30/2023] Open
Abstract
PROBLEM We aimed to determine whether altered levels of various extracellular matrix (ECM)-related and serine protease proteins in the amniotic fluid (AF) are associated with imminent spontaneous preterm birth (SPTB; ≤7 days) and intra-amniotic inflammation and/or microbial invasion of the amniotic cavity (IAI/MIAC) in women with early preterm labor (PTL). METHOD OF STUDY This retrospective cohort study included 252 women with singleton pregnancies undergoing transabdominal amniocentesis who demonstrated PTL (24-31 weeks). The AF was cultured for microorganism detection to characterize MIAC. IL-6 concentrations were determined in the AF samples to identify IAI (≥2.6 ng/mL). The following mediators were measured in the AF samples using ELISA: kallistatin, lumican, MMP-2, SPARC, TGFBI, and uPA. RESULTS Kallistatin, MMP-2, TGFBI, and uPA levels were significantly higher and SPARC and lumican levels were significantly lower in the AF of women who spontaneously delivered within 7 days than in the AF of those who delivered after 7 days; the levels of the first five mediators were independent of baseline clinical variables. In the multivariate analysis, elevated levels of kallistatin, MMP-2, TGFBI, and uPA and low levels of lumican and SPARC in the AF were significantly associated with IAI/MIAC and MIAC, even after adjusting for the gestational age at sampling. The areas under the curves of the aforementioned biomarkers ranged from 0.58 to 0.87 for the diagnoses of each of the corresponding endpoints. CONCLUSION ECM-related (SPARC, TGFBI, lumican, and MMP-2) and serine protease (kallistatin and uPA) proteins in the AF are involved in preterm parturition and regulation of intra-amniotic inflammatory/infectious responses in PTL.
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Affiliation(s)
- Kyong-No Lee
- Departments of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Kyo Hoon Park
- Departments of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Kwanghee Ahn
- Departments of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Eun Mi Im
- Departments of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Eunji Oh
- Departments of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Iseop Cho
- Departments of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
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Meng Z, Li Z, Guo S, Wu D, Wei R, Liu J, Hu L, Sui L. MED1 Ablation Promotes Oral Mucosal Wound Healing via JNK Signaling Pathway. Int J Mol Sci 2022; 23:13414. [PMID: 36362197 PMCID: PMC9655393 DOI: 10.3390/ijms232113414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/31/2022] [Accepted: 10/31/2022] [Indexed: 08/12/2023] Open
Abstract
Mediator complex subunit 1 (MED1) is a coactivator of multiple transcription factors and plays a key role in regulating epidermal homeostasis as well as skin wound healing. It is unknown, however, whether it plays a role in healing oral mucosal wounds. In this study, we investigate MED1's functional effects on oral mucosal wound healing and its underlying mechanism. The epithelial-specific MED1 null (Med1epi-/-) mice were established using the Cre-loxP system with C57/BL6 background. A 3 mm diameter wound was made in the cheek mucosa of the 8-week-old mice. In vivo experiments were conducted using HE staining and immunostaining with Ki67 and uPAR antibodies. The in vitro study used lentiviral transduction, scratch assays, qRT-PCR, and Western blotting to reveal the underlying mechanisms. The results showed that ablation of MED1 accelerated oral mucosal wound healing in 8-week-old mice. As a result of ablation of MED1, Activin A/Follistatin expression was altered, resulting in an activation of the JNK/c-Jun pathway. Similarly, knockdown of MED1 enhanced the proliferation and migration of keratinocytes in vitro, promoting re-epithelialization, which accelerates the healing of oral mucosal wounds. Our study reveals a novel role for MED1 in oral keratinocytes, providing a new molecular therapeutic target for accelerated wound healing.
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Affiliation(s)
- Zhaosong Meng
- School of Stomatology, Tianjin Medical University, Tianjin 300014, China
| | - Zhe Li
- School of Stomatology, Tianjin Medical University, Tianjin 300014, China
| | - Shuling Guo
- School of Stomatology, Tianjin Medical University, Tianjin 300014, China
| | - Danfeng Wu
- School of Stomatology, Tianjin Medical University, Tianjin 300014, China
| | - Ran Wei
- School of Stomatology, Tianjin Medical University, Tianjin 300014, China
| | - Jiacheng Liu
- School of Stomatology, Tianjin Medical University, Tianjin 300014, China
| | - Lizhi Hu
- Immunology Department, Key Laboratory of Immune Microenvironment and Disease, Ministry of Education, Tianjin Medical University, Tianjin 300014, China
| | - Lei Sui
- School of Stomatology, Tianjin Medical University, Tianjin 300014, China
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Lee SM, Park KH, Joo E, Jeong DE, Lee JE, Lee KN, Shin S. High-throughput analysis of amniotic fluid proteins associated with histological chorioamnionitis in preterm premature rupture of membranes using an antibody-based microarray. Am J Reprod Immunol 2022; 88:e13595. [PMID: 35792516 DOI: 10.1111/aji.13595] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/30/2022] [Accepted: 06/30/2022] [Indexed: 11/28/2022] Open
Abstract
PROBLEM To identify potential proteins in the amniotic fluid (AF) that may be associated with histologic chorioamnionitis (HCA) in patients with preterm premature rupture of membranes (PPROM) using antibody-based microarray analysis. METHOD OF STUDY This was a retrospective cohort study involving 100 singleton pregnant women with PPROM at 24-34 weeks who underwent amniocentesis and delivered within 120 h of amniocentesis. First, the AF proteomes of 15 patients with PPROM and HCA were compared with those of 15 gestational age-matched patients without HCA using a protein microarray. Next, 12 candidate proteins associated with HCA were further validated in 100 consecutive patients with PPROM by ELISA. RESULTS Of 507 proteins assessed in the microarray analysis, 46 showed significant intergroup differences. Further quantification confirmed that the levels of EN-RAGE, IL-6, MMP-9, TNFR2, SPARC, TSP2, and uPA were higher in the AF of PPROM patients with HCA than in those without. Multivariate analyses also showed that elevated AF EN-RAGE, IL-6, MMP-9, and TNFR2 levels were independently associated with HCA when adjusted for baseline variables. The frequency of the highest quartile of the aforementioned proteins significantly increased as the total grade of HCA increased; the risk of HCA significantly increased with increasing AF levels of each protein (P for trend < .001). CONCLUSIONS Using protein-antibody microarray technology, we discovered several potential AF proteins (EN-RAGE, IL-6, MMP-9, and TNFR2) independently associated with HCA in patients with PPROM. Furthermore, we demonstrated a direct correlation between the gradation of the intra-amniotic inflammatory response and HCA severity.
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Affiliation(s)
- Seung Mi Lee
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Kyo Hoon Park
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Eunwook Joo
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Da Eun Jeong
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Ji Eun Lee
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Kyong-No Lee
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Sue Shin
- Department of Laboratory Medicine, Seoul National University Boramae Hospital, Seoul, South Korea
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Molecular Changes on Maternal-Fetal Interface in Placental Abruption-A Systematic Review. Int J Mol Sci 2021; 22:ijms22126612. [PMID: 34205566 PMCID: PMC8235312 DOI: 10.3390/ijms22126612] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 06/14/2021] [Accepted: 06/17/2021] [Indexed: 12/21/2022] Open
Abstract
Placental abruption is the separation of the placenta from the lining of the uterus before childbirth. It is an infrequent perinatal complication with serious after-effects and a marked risk of maternal and fetal mortality. Despite the fact that numerous placental abruption risk factors are known, the pathophysiology of this issue is multifactorial and not entirely clear. The aim of this review was to examine the current state of knowledge concerning the molecular changes on the maternal–fetal interface occurring in placental abruption. Only original research articles describing studies published in English until the 15 March 2021 were considered eligible. Reviews, book chapters, case studies, conference papers and opinions were excluded. The systematic literature search of PubMed/MEDLINE and Scopus databases identified 708 articles, 22 of which were analyzed. The available evidence indicates that the disruption of the immunological processes on the maternal–fetal interface plays a crucial role in the pathophysiology of placental abruption. The features of chronic non-infectious inflammation and augmented immunological cytotoxic response were found to be present in placental abruption samples in the reviewed studies. Various molecules participate in this process, with only a few being examined. More advanced research is needed to fully explain this complicated process.
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Ito D, Ito H, Ideta T, Kanbe A, Ninomiya S, Shimizu M. Systemic and topical administration of spermidine accelerates skin wound healing. Cell Commun Signal 2021; 19:36. [PMID: 33752688 PMCID: PMC7986284 DOI: 10.1186/s12964-021-00717-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/01/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The skin wound healing process is regulated by various cytokines, chemokines, and growth factors. Recent reports have demonstrated that spermine/spermidine (SPD) promote wound healing through urokinase-type plasminogen activator (uPA)/uPA receptor (uPAR) signaling in vitro. Here, we investigated whether the systemic and topical administration of SPD would accelerate the skin wound-repair process in vivo. METHODS A skin wound repair model was established using C57BL/6 J mice. SPD was mixed with white petrolatum for topical administration. For systemic administration, SPD mixed with drinking water was orally administered. Changes in wound size over time were calculated using digital photography. RESULTS Systemic and topical SPD treatment significantly accelerated skin wound healing. The administration of SPD promoted the uPA/uPAR pathway in wound sites. Moreover, topical treatment with SPD enhanced the expression of IL-6 and TNF-α in wound sites. Scratch and cell proliferation assays revealed that SPD administration accelerated scratch wound closure and cell proliferation in vitro. CONCLUSION These results indicate that treatment with SPD promotes skin wound healing through activation of the uPA/uPAR pathway and induction of the inflammatory response in wound sites. The administration of SPD might contribute to new effective treatments to accelerate skin wound healing. Video Abstract.
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Affiliation(s)
- Daisuke Ito
- Department of Gastroenterology, Gifu University Graduate School of Medicine, Yanagido, Gifu City, 501-1194 Japan
| | - Hiroyasu Ito
- Department of Joint Research Laboratory of Clinical Medicine, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi City, 470-1192 Japan
| | - Takayasu Ideta
- Department of Informative Clinical Medicine, Gifu University Graduate School of Medicine, Yanagido, Gifu City, 501-1194 Japan
| | - Ayumu Kanbe
- Department of Clinical Laboratory, Gifu University Hospital, Yanagido, Gifu City, 501-1194 Japan
| | - Soranobu Ninomiya
- Department of Informative Clinical Medicine, Gifu University Graduate School of Medicine, Yanagido, Gifu City, 501-1194 Japan
| | - Masahito Shimizu
- Department of Gastroenterology, Gifu University Graduate School of Medicine, Yanagido, Gifu City, 501-1194 Japan
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Cui X, Wang H, Li Y, Chen T, Liu S, Yan Q. Epiregulin promotes trophoblast epithelial-mesenchymal transition through poFUT1 and O-fucosylation by poFUT1 on uPA. Cell Prolif 2019; 53:e12745. [PMID: 31889361 PMCID: PMC7046484 DOI: 10.1111/cpr.12745] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/26/2019] [Accepted: 11/26/2019] [Indexed: 12/12/2022] Open
Abstract
Objectives The transformation of cytotrophoblasts into mesenchymal‐like extravillous trophoblasts is necessary for successful embryo implantation, and the inadequate transformation may cause abortion. Epiregulin, which is a new growth factor, plays important roles in the reproductive processes. The glycosylation of many proteins in reproduction processes is critical. Protein O‐fucosyltransferase 1 (poFUT1) is the key enzyme for the biosynthesis of O‐fucosylation on the specific glycoproteins. Urokinase‐type plasminogen activator (uPA) contains O‐fucosylated domain on Thr18. However, the functions of epiregulin and poFUT1 in the trophoblast epithelial–mesenchymal transition (EMT) process, the regulatory mechanism of epiregulin on poFUT1 and the resulting O‐fucosylated uPA remain unclear. Materials and methods We employed ELISA and Western blot to detect serum levels of epiregulin and poFUT1 from non‐pregnancy women, pregnancy women and abortion patients. Using two trophoblast cell lines and a mouse pregnancy model, we investigated the underlying mechanisms of epiregulin and poFUT1 in trophoblast EMT process. Results Serum levels of epiregulin and poFUT1 were higher in pregnant women compared with non‐pregnant women, and their levels were significantly decreased in abortion patients compared with pregnant women. The results showed that epiregulin upregulated poFUT1 expression and increased O‐fucosylation on uPA, which further activated the PI3K/Akt signalling pathway, facilitating EMT behaviour of trophoblast cells and embryo implantation in the mouse pregnant model. Conclusions Level of epiregulin and poFUT1 is lower in abortion patients than early pregnancy women. Epiregulin promotes trophoblast EMT through O‐fucosylation on uPA catalysed by poFUT1. Epiregulin and poFUT1 may be suggested as the potential diagnostic biomarkers and useful treatment targets for abortion.
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Affiliation(s)
- Xinyuan Cui
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Hao Wang
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Yaqi Li
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Tianhong Chen
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Shuai Liu
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Qiu Yan
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
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Stronati L, Palone F, Negroni A, Colantoni E, Mancuso AB, Cucchiara S, Cesi V, Isoldi S, Vitali R. Dipotassium Glycyrrhizate Improves Intestinal Mucosal Healing by Modulating Extracellular Matrix Remodeling Genes and Restoring Epithelial Barrier Functions. Front Immunol 2019; 10:939. [PMID: 31105713 PMCID: PMC6498413 DOI: 10.3389/fimmu.2019.00939] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 04/11/2019] [Indexed: 12/16/2022] Open
Abstract
Gut mucosal healing (MH) is considered a key therapeutic target and prognostic parameter in the management of inflammatory bowel disease (IBD). The dipotassium glycyrrhizate (DPG), a salt of the glycoconjugated triterpene glycyrrhizin, has been shown to inhibit the High Mobility Group Box 1 (HMGB1) protein, an allarmin strongly implicated in the pathogenesis of most inflammatory and auto-immune disorders. Here we discuss new insights on how DPG acts on MH comparing the acute phase and the recovery phase from experimental colitis in mice. We found that DPG strongly accelerates MH by differently regulating pro-inflammatory (CXCL1, CXCL3, CXCL5, PTGS2, IL-1β, IL-6, CCL12, CCL7) and wound healing (COL3A1, MMP9, VTN, PLAUR, SERPINE, CSF3, FGF2, FGF7, PLAT, TIMP1) genes as observed only during the recovery phase of colitis. Relevant issue is the identification of extracellular matrix (ECM) remodeling genes, VTN, and PLAUR, as crucial genes to achieve MH during DPG treatment. Furthermore, a noticeable recovery of intestinal epithelial barrier structural organization, wound repair ability, and functionality is observed in two human colorectal adenocarcinoma cell lines exposed to DPG during inflammation. Thus, our study identifies DPG as a potent tool for controlling intestinal inflammation and improving MH.
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Affiliation(s)
- Laura Stronati
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Francesca Palone
- Pediatric Gastroenterology and Liver Unit, Department of Pediatrics, Sapienza University of Rome, Rome, Italy
| | - Anna Negroni
- Division of Health Protection Technologies, Territorial and Production Systems Sustainability Department, ENEA, Rome, Italy
| | - Eleonora Colantoni
- Pediatric Gastroenterology and Liver Unit, Department of Pediatrics, Sapienza University of Rome, Rome, Italy
| | - Anna Barbara Mancuso
- Pediatric Gastroenterology and Liver Unit, Department of Pediatrics, Sapienza University of Rome, Rome, Italy
| | - Salvatore Cucchiara
- Pediatric Gastroenterology and Liver Unit, Department of Pediatrics, Sapienza University of Rome, Rome, Italy
| | - Vincenzo Cesi
- Division of Health Protection Technologies, Territorial and Production Systems Sustainability Department, ENEA, Rome, Italy
| | - Sara Isoldi
- Pediatric Gastroenterology and Liver Unit, Department of Pediatrics, Sapienza University of Rome, Rome, Italy
| | - Roberta Vitali
- Division of Health Protection Technologies, Territorial and Production Systems Sustainability Department, ENEA, Rome, Italy
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Csutak A, Steiber Z, Tőzsér J, Jakab A, Berta A, Silver DM. Plasminogen activator activity in tears of pregnant women. PLoS One 2017; 12:e0177003. [PMID: 28472076 PMCID: PMC5417609 DOI: 10.1371/journal.pone.0177003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 04/20/2017] [Indexed: 11/19/2022] Open
Abstract
Purpose Plasminogen activator activity (PAA) in tears of pregnant women was investigated at various gestation times to assess the availability of plasminogen activator for aiding potential corneal wound healing processes during pregnancy. Methods PAA was measured by a spectrophotometric method. The analysis used 91 tear samples from pregnant and non-pregnant women, supplemented with 10 additional tear PAA measurements from non-pregnant women obtained in a previous study. Results Tear levels of PAA in pregnant women formed a bimodal distribution. Either the tear PAA level was zero or non-zero during pregnancy. When non-zero, the tear PAA level was dissociated from gestation time and not different than non-pregnant and post-pregnant levels. The frequency of occurrence of zero level tear PAA increased with gestation: 16%, 17% and 46% had zero tear PAA in samples taken from women in the first, second and third trimester, respectively. Conclusions Overall, of the tear samples taken from women during pregnancy, a total of 26% were at zero tear PAA. The remaining tear samples had non-zero tear PAA values throughout gestation equivalent to non-pregnant tear PAA values, suggesting local control of the source of PAA in tears. Given the importance of the plasminogen activator system in tears to wound healing in the cornea, and the high occurrence of zero tear PAA in our sample of pregnant women, elective corneal surgery would be contraindicated. If corneal surgery is nevertheless necessary, the tear PAA level would be worth checking and patients with low level should be closely observed during the postoperative period.
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Affiliation(s)
- Adrienne Csutak
- Department of Ophthalmology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- * E-mail:
| | - Zita Steiber
- Department of Ophthalmology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - József Tőzsér
- Department of Biochemistry & Molecular Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Attila Jakab
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - András Berta
- Department of Ophthalmology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - David M. Silver
- Johns Hopkins University, Bethesda, Maryland, United States of America
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Zhou X, Xu M, Huang H, Mazar A, Iqbal Z, Yuan C, Huang M. An ELISA method detecting the active form of suPAR. Talanta 2016; 160:205-210. [DOI: 10.1016/j.talanta.2016.07.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Revised: 06/22/2016] [Accepted: 07/02/2016] [Indexed: 10/21/2022]
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Saxena A, Izmirly PM, Han SW, Briassouli P, Rivera TL, Zhong H, Friedman DM, Clancy RM, Buyon JP. Serum Biomarkers of Inflammation, Fibrosis, and Cardiac Function in Facilitating Diagnosis, Prognosis, and Treatment of Anti-SSA/Ro-Associated Cardiac Neonatal Lupus. J Am Coll Cardiol 2015; 66:930-9. [PMID: 26293764 DOI: 10.1016/j.jacc.2015.06.1088] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 06/11/2015] [Accepted: 06/15/2015] [Indexed: 02/03/2023]
Abstract
BACKGROUND Cardiac manifestations of neonatal lupus (cardiac NL) include congenital heart block and cardiomyopathy. Several candidate biomarkers were evaluated in cases at risk for cardiac NL on the basis of potential roles in inflammation, fibrosis, and cardiac dysfunction: C-reactive protein (CRP); NT-pro-B-type natriuretic peptide (NT-proBNP); troponin I; matrix metalloproteinase (MMP)-2; urokinase plasminogen activator (uPA); urokinase plasminogen activator receptor (uPAR); plasminogen; and vitamin D. OBJECTIVES Identification of maternal and fetal biomarkers associated with development and morbidity of cardiac NL should provide clues to pathogenesis with translational implications for management. METHODS Cord (139) and maternal (135) blood samples collected during pregnancies at risk for cardiac NL were available for study. Levels of cord and maternal CRP, cord NT-proBNP, and cord troponin I were evaluated using multiplex assays. Cord and maternal vitamin D were assessed by liquid chromatography-mass spectrometry. MMP-2, uPA, uPAR, and plasminogen were evaluated using ELISA. RESULTS Cord CRP, NT-proBNP, MMP-2, uPA, uPAR, and plasminogen levels were higher in cardiac NL-affected fetuses than in unaffected cases, independent of maternal rheumatic disease, season at highest risk of cardiac NL development, and medications taken during pregnancy. These biomarkers were positively associated with a disease severity score derived from known risk factors for mortality in cardiac NL. Maternal CRP and cord troponin I levels did not differ between the groups. Cord and maternal vitamin D levels were not significantly associated with cardiac NL, but average maternal vitamin D level during pregnancy was positively associated with longer time to postnatal pacemaker placement. CONCLUSIONS These data support the association of fetal reactive inflammatory and fibrotic components with development and morbidity of cardiac NL. Following CRP and NT-proBNP levels after birth can potentially monitor severity and progression of cardiac NL. MMP-2 and the uPA/uPAR/plasminogen cascade provide therapeutic targets to decrease fibrosis. Although decreased vitamin D did not confer increased risk, given the positive influence on postnatal outcomes, maternal levels should be optimized.
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Affiliation(s)
- Amit Saxena
- Division of Rheumatology, Department of Medicine, New York University School of Medicine, New York, New York.
| | - Peter M Izmirly
- Division of Rheumatology, Department of Medicine, New York University School of Medicine, New York, New York
| | - Sung Won Han
- Department of Population Health, New York University School of Medicine, New York, New York
| | - Paraskevi Briassouli
- Division of Rheumatology, Department of Medicine, New York University School of Medicine, New York, New York
| | - Tania L Rivera
- Division of Rheumatology, Department of Medicine, Scripps Memorial Hospital, La Jolla, San Diego, California
| | - Hua Zhong
- Department of Population Health, New York University School of Medicine, New York, New York
| | - Deborah M Friedman
- Division of Pediatric Cardiology, New York Medical College, Valhalla, New York
| | - Robert M Clancy
- Division of Rheumatology, Department of Medicine, New York University School of Medicine, New York, New York
| | - Jill P Buyon
- Division of Rheumatology, Department of Medicine, New York University School of Medicine, New York, New York
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In vivo safety, biodistribution and antitumor effects of uPAR retargeted oncolytic measles virus in syngeneic cancer models. Gene Ther 2014; 21:289-97. [PMID: 24430235 PMCID: PMC3949200 DOI: 10.1038/gt.2013.84] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 11/05/2013] [Accepted: 12/05/2013] [Indexed: 11/17/2022]
Abstract
The urokinase receptor (uPAR) is a clinically relevant target for novel biological therapies. We have previously rescued oncolytic measles viruses fully retargeted against human (MV-h-uPA) or murine (MV-m-uPA) uPAR. Here, we investigated the in vivo effects of systemic administration of MV-m-uPA in immunocompetent cancer models. MV-m-uPA induced in vitro cytotoxicity and replicated in a receptor dependent manner in murine mammary (4T1), and colon (MC-38 and CT-26) cancer cells. Intravenous administration of MV-m-uPA to 4T1 tumor bearing mice was not associated with significant clinical or laboratory toxicity. Higher MV-N RNA copy numbers were detected in primary tumors, and viable viral particles were recovered from tumor bearing tissues only. Non-tumor bearing organs did not show histological signs of viral induced toxicity. Serum anti-MV antibodies were detected at day 14 of treatment. Immunohistochemistry and immunofluorescence studies confirmed successful tumor targeting and demonstrated enhanced MV-m-uPA induced tumor cell apoptosis in treated, compared to control mice. Significant antitumor effects and prolonged survival were observed after systemic administration of MV-m-uPA in colon (CT-26) and mammary (4T1) cancer models. The above results demonstrate safety and feasibility of uPAR targeting by an oncolytic virus, and confirm significant antitumor effects in highly aggressive syngeneic immunocompetent cancer models.
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Noh H, Hong S, Huang S. Role of urokinase receptor in tumor progression and development. Am J Cancer Res 2013; 3:487-95. [PMID: 23843896 PMCID: PMC3706692 DOI: 10.7150/thno.4218] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Accepted: 08/15/2012] [Indexed: 12/21/2022] Open
Abstract
Elevated level of urokinase receptor (uPAR) is detected in various aggressive cancer types and is closely associated with poor prognosis of cancers. Binding of uPA to uPAR triggers the conversion of plasminogen to plasmin and the subsequent activation of metalloproteinases. These events confer tumor cells with the capability to degrade the components of the surrounding extracellular matrix, thus contributing to tumor cell invasion and metastasis. uPA-uPAR interaction also elicits signals that stimulate cell proliferation/survival and the expression of tumor-promoting genes, thus assisting tumor development. In addition to its interaction with uPA, uPAR also interacts with vitronectin and this interaction promotes cancer metastasis by activating Rac and stimulating cell migration. Although underlying mechanisms are yet to be fully elucidated, uPAR has been shown to facilitate epithelial-mesenchymal transition (EMT) and induce cancer stem cell-like properties in breast cancer cells. The fact that uPAR lacks intracellular domain suggests that its signaling must be mediated through its co-receptors. Indeed, uPAR interacts with diverse transmembrane proteins including integrins, ENDO180, G protein-coupled receptors and growth factor receptors in cancer cells and these interactions are proven to be critical for the role of uPAR in tumorigenesis. Inhibitory peptide that prevents uPA-uPAR interaction has shown the promise to prolong patients' survival in the early stage of clinical trial. The importance of uPAR's co-receptor in uPAR's tumor-promoting effects implicate that anti-cancer therapeutic agents may also be developed by disrupting the interactions between uPAR and its functional partners.
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Abstract
Urokinase-type plasminogen activator receptor (uPAR) expression is elevated during inflammation and tissue remodelling and in many human cancers, in which it frequently indicates poor prognosis. uPAR regulates proteolysis by binding the extracellular protease urokinase-type plasminogen activator (uPA; also known as urokinase) and also activates many intracellular signalling pathways. Coordination of extracellular matrix (ECM) proteolysis and cell signalling by uPAR underlies its important function in cell migration, proliferation and survival and makes it an attractive therapeutic target in cancer and inflammatory diseases. uPAR lacks transmembrane and intracellular domains and so requires transmembrane co-receptors for signalling. Integrins are essential uPAR signalling co-receptors and a second uPAR ligand, the ECM protein vitronectin, is also crucial for this process.
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Affiliation(s)
- Harvey W Smith
- Goodman Cancer Centre, McGill University, West Montreal, Quebec, H3A 1A3, Canada.
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Wang D, Liu W, Han B, Xu R. Biochemical and enzymatic properties of a novel marine fibrinolytic enzyme from Urechis unicinctus. Appl Biochem Biotechnol 2007; 136:251-64. [PMID: 17625232 DOI: 10.1007/s12010-007-9024-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2005] [Revised: 05/09/2006] [Accepted: 05/25/2006] [Indexed: 11/27/2022]
Abstract
A novel potent protease, Urechis unicinctus fibrinolytic enzyme (UFE), was first discovered by our laboratory. In this study, we further investigated the enzymatic properties and dynamic parameters of UFE. As a low molecular weight protein, UFE appeared to be very stable to heat and pH. When the temperature was <50 degrees C, the remnant enzyme activity remained almost unchanged, but when the temperature was raised to 60 degrees C the remnant enzyme activity began to decrease rapidly. UFE was quite stable in a pH range of 3.0-12.0, especially at slightly alkaline pH values. Mn(2+), Cu(2+), and Fe(2+) ions were activators of UFE, whereas Fe(3+) and Ag(+) ions were inhibitors. Fe(2+) ion along with Fe(3+) ion might regulate UFE activity in vivo. The optimum pH and temperature of UFE were about 8.0 and 50 degrees C, respectively. When using casein as substrate and a substrate concentration <0.1% casein (w/v), the reaction velocity was increased with substrate concentration. Also when using casein as substrate, the determined K(m) and V(max) of UFE were 0.5298 mg/mL and 3.0845 mol of L-tyrosine equivalent, respectively. Our systematic research results are significant when UFE is applied for medical and industrial purposes.
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Affiliation(s)
- Dianliang Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, China.
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