Vasoactive intestinal peptide deficiency promotes ovarian dysfunction associated to a proinflammatory microenvironment reminiscent of premature aging
Copyright © 2022. Published by Elsevier B.V..
Complex immune regulation during pregnancy is required to ensure a successful pregnancy outcome. Vasoactive intestinal peptide (VIP) has local immunoregulatory effects on the ovary, uterus and maternal-fetal interface that favor a tolerogenic maternal microenvironment. Since the VIP Knockout (KO) mice are subfertile, we investigated the mechanisms underlying the effects of VIP deficiency on ovarian physiology and immune homeostasis. Therefore, we studied VIP KO, deficient (HT) and wild type (WT) female mice in estrus at 3 or 8 months of age. Young KO mice showed abnormal cycle timing and regularity associated with dysfunctional ovaries. Ovaries presented higher number of atretic follicles and reduced number of corpora lutea leading to a lower ovulation rates. Part of the VIP KO mice (25 %) failed to ovulate or ovulated oocytes incompetent to be fertilized (50 %). In particular, ovaries of young KO mice exhibited features of premature aging accompanied by a pro-inflammatory milieu with increased levels of IL-1β. A unique macrophage subpopulation identified as "foamy macrophages" was found. On the other hand, aged VIP KO females did not gain body weight probably due to the sustained production of E2. Finally, the adoptive transfer of FOXP3+ cells to infertile VIP KO females resulted in their selective recruitment to the ovary. It increased FOXP3/RORγt and TGFβ/IL-6 ratio improving ovarian microenvironment and pregnancy rate. The present results suggest that VIP contributes to ovarian homeostatic mechanisms required for a successful pregnancy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:1869 |
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| Enthalten in: |
Biochimica et biophysica acta. Molecular basis of disease - 1869(2023), 2 vom: 01. Feb., Seite 166585 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gallino, Lucila [VerfasserIn] |
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| Links: |
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| Themen: |
37221-79-7 |
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| Anmerkungen: |
Date Completed 21.12.2022 Date Revised 17.02.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.bbadis.2022.166585 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM349369607 |
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| 520 | |a Copyright © 2022. Published by Elsevier B.V. | ||
| 520 | |a Complex immune regulation during pregnancy is required to ensure a successful pregnancy outcome. Vasoactive intestinal peptide (VIP) has local immunoregulatory effects on the ovary, uterus and maternal-fetal interface that favor a tolerogenic maternal microenvironment. Since the VIP Knockout (KO) mice are subfertile, we investigated the mechanisms underlying the effects of VIP deficiency on ovarian physiology and immune homeostasis. Therefore, we studied VIP KO, deficient (HT) and wild type (WT) female mice in estrus at 3 or 8 months of age. Young KO mice showed abnormal cycle timing and regularity associated with dysfunctional ovaries. Ovaries presented higher number of atretic follicles and reduced number of corpora lutea leading to a lower ovulation rates. Part of the VIP KO mice (25 %) failed to ovulate or ovulated oocytes incompetent to be fertilized (50 %). In particular, ovaries of young KO mice exhibited features of premature aging accompanied by a pro-inflammatory milieu with increased levels of IL-1β. A unique macrophage subpopulation identified as "foamy macrophages" was found. On the other hand, aged VIP KO females did not gain body weight probably due to the sustained production of E2. Finally, the adoptive transfer of FOXP3+ cells to infertile VIP KO females resulted in their selective recruitment to the ovary. It increased FOXP3/RORγt and TGFβ/IL-6 ratio improving ovarian microenvironment and pregnancy rate. The present results suggest that VIP contributes to ovarian homeostatic mechanisms required for a successful pregnancy | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Aging | |
| 650 | 4 | |a Inflammation | |
| 650 | 4 | |a Ovary | |
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| 700 | 1 | |a Castagnola, Lara |e verfasserin |4 aut | |
| 700 | 1 | |a Vota, Daiana |e verfasserin |4 aut | |
| 700 | 1 | |a Pascuali, Natalia |e verfasserin |4 aut | |
| 700 | 1 | |a Parborell, Fernanda |e verfasserin |4 aut | |
| 700 | 1 | |a May, Maria |e verfasserin |4 aut | |
| 700 | 1 | |a Fontana, Vanina |e verfasserin |4 aut | |
| 700 | 1 | |a Merech, Fatima |e verfasserin |4 aut | |
| 700 | 1 | |a Naguila, Zaira |e verfasserin |4 aut | |
| 700 | 1 | |a Waschek, James |e verfasserin |4 aut | |
| 700 | 1 | |a Leirós, Claudia Perez |e verfasserin |4 aut | |
| 700 | 1 | |a Ramhorst, Rosanna |e verfasserin |4 aut | |
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