Clinical chorioamnionitis at term is characterized by changes in the plasma concentration of CHCHD2/MNRR1, a mitochondrial protein
OBJECTIVE: Mitochondrial dysfunction was observed in acute systemic inflammatory conditions such as sepsis and might be involved in sepsis-induced multi-organ failure. Coiled-Coil-Helix-Coiled-Coil-Helix Domain Containing 2 (CHCHD2), also known as Mitochondrial Nuclear Retrograde Regulator 1 (MNRR1), a bi-organellar protein located in the mitochondria and the nucleus, is implicated in cell respiration, survival, and response to tissue hypoxia. Recently, the reduction of the cellular CHCHD2/MNRR1 protein, as part of mitochondrial dysfunction, has been shown to play a role in the amplification of inflammatory cytokines in a murine model of lipopolysaccharide-induced systemic inflammation. The aim of this study was to determine whether the plasma concentration of CHCHD2/MNRR1 changed during human normal pregnancy, spontaneous labor at term, and clinical chorioamnionitis at term.
METHODS: We conducted a cross-sectional study that included the following groups: 1) non-pregnant women (n = 17); 2) normal pregnant women at various gestational ages from the first trimester until term (n = 110); 3) women at term with spontaneous labor (n = 50); and 4) women with clinical chorioamnionitis at term in labor (n = 25). Plasma concentrations of CHCHD2/MNRR1 were assessed by an enzyme-linked immunosorbent assay.
RESULTS: 1) Pregnant women at term in labor with clinical chorioamnionitis had a significantly higher plasma CHCHD2/MNRR1 concentration than those in labor without chorioamnionitis (p = .003); 2) CHCHD2/MNRR1 is present in the plasma of healthy non-pregnant and normal pregnant women without significant differences in its plasma concentrations between the two groups; 3) there was no correlation between maternal plasma CHCHD2/MNRR1 concentration and gestational age at venipuncture; and 4) plasma CHCHD2/MNRR1 concentration was not significantly different in women at term in spontaneous labor compared to those not in labor.
CONCLUSIONS: CHCHD2/MNRR1 is physiologically present in the plasma of healthy non-pregnant and normal pregnant women, and its concentration does not change with gestational age and parturition at term. However, plasma CHCHD2/MNRR1 is elevated in women at term with clinical chorioamnionitis. CHCHD2/MNRR1, a novel bi-organellar protein located in the mitochondria and the nucleus, is released into maternal plasma during systemic inflammation.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2023 |
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Erschienen: |
2023 |
Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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Enthalten in: |
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians - 36(2023), 2 vom: 22. Dez., Seite 2222333 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Bosco, Mariachiara [VerfasserIn] |
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Links: |
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Anmerkungen: |
Date Completed 26.06.2023 Date Revised 24.08.2023 published: Print Citation Status MEDLINE |
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doi: |
10.1080/14767058.2023.2222333 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM358505178 |
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100 | 1 | |a Bosco, Mariachiara |e verfasserin |4 aut | |
245 | 1 | 0 | |a Clinical chorioamnionitis at term is characterized by changes in the plasma concentration of CHCHD2/MNRR1, a mitochondrial protein |
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500 | |a Date Revised 24.08.2023 | ||
500 | |a published: Print | ||
500 | |a Citation Status MEDLINE | ||
520 | |a OBJECTIVE: Mitochondrial dysfunction was observed in acute systemic inflammatory conditions such as sepsis and might be involved in sepsis-induced multi-organ failure. Coiled-Coil-Helix-Coiled-Coil-Helix Domain Containing 2 (CHCHD2), also known as Mitochondrial Nuclear Retrograde Regulator 1 (MNRR1), a bi-organellar protein located in the mitochondria and the nucleus, is implicated in cell respiration, survival, and response to tissue hypoxia. Recently, the reduction of the cellular CHCHD2/MNRR1 protein, as part of mitochondrial dysfunction, has been shown to play a role in the amplification of inflammatory cytokines in a murine model of lipopolysaccharide-induced systemic inflammation. The aim of this study was to determine whether the plasma concentration of CHCHD2/MNRR1 changed during human normal pregnancy, spontaneous labor at term, and clinical chorioamnionitis at term | ||
520 | |a METHODS: We conducted a cross-sectional study that included the following groups: 1) non-pregnant women (n = 17); 2) normal pregnant women at various gestational ages from the first trimester until term (n = 110); 3) women at term with spontaneous labor (n = 50); and 4) women with clinical chorioamnionitis at term in labor (n = 25). Plasma concentrations of CHCHD2/MNRR1 were assessed by an enzyme-linked immunosorbent assay | ||
520 | |a RESULTS: 1) Pregnant women at term in labor with clinical chorioamnionitis had a significantly higher plasma CHCHD2/MNRR1 concentration than those in labor without chorioamnionitis (p = .003); 2) CHCHD2/MNRR1 is present in the plasma of healthy non-pregnant and normal pregnant women without significant differences in its plasma concentrations between the two groups; 3) there was no correlation between maternal plasma CHCHD2/MNRR1 concentration and gestational age at venipuncture; and 4) plasma CHCHD2/MNRR1 concentration was not significantly different in women at term in spontaneous labor compared to those not in labor | ||
520 | |a CONCLUSIONS: CHCHD2/MNRR1 is physiologically present in the plasma of healthy non-pregnant and normal pregnant women, and its concentration does not change with gestational age and parturition at term. However, plasma CHCHD2/MNRR1 is elevated in women at term with clinical chorioamnionitis. CHCHD2/MNRR1, a novel bi-organellar protein located in the mitochondria and the nucleus, is released into maternal plasma during systemic inflammation | ||
650 | 4 | |a Journal Article | |
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650 | 4 | |a infection | |
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650 | 4 | |a labor | |
650 | 4 | |a mitochondrial dysfunction | |
650 | 4 | |a pregnancy | |
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650 | 7 | |a Transcription Factors |2 NLM | |
700 | 1 | |a Romero, Roberto |e verfasserin |4 aut | |
700 | 1 | |a Gallo, Dahiana M |e verfasserin |4 aut | |
700 | 1 | |a Suksai, Manaphat |e verfasserin |4 aut | |
700 | 1 | |a Gotsch, Francesca |e verfasserin |4 aut | |
700 | 1 | |a Jung, Eunjung |e verfasserin |4 aut | |
700 | 1 | |a Chaemsaithong, Piya |e verfasserin |4 aut | |
700 | 1 | |a Tarca, Adi L |e verfasserin |4 aut | |
700 | 1 | |a Gomez-Lopez, Nardhy |e verfasserin |4 aut | |
700 | 1 | |a Arenas-Hernandez, Marcia |e verfasserin |4 aut | |
700 | 1 | |a Meyyazhagan, Arun |e verfasserin |4 aut | |
700 | 1 | |a Al Qasem, Malek |e verfasserin |4 aut | |
700 | 1 | |a Franchi, Massimo P |e verfasserin |4 aut | |
700 | 1 | |a Grossman, Lawrence I |e verfasserin |4 aut | |
700 | 1 | |a Aras, Siddhesh |e verfasserin |4 aut | |
700 | 1 | |a Chaiworapongsa, Tinnakorn |e verfasserin |4 aut | |
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