Increased Circulating Cortisol After Vaginal Birth Is Associated With Increased FGF19 Secretion in Neonatal Pigs
© The Author(s) 2022. Published by Oxford University Press on behalf of the Endocrine Society. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com..
The influence of birth modality (scheduled cesarean or spontaneous vaginal) on the development of the newborn has been a source of controversy in neonatology. The impact of cesarean vs vaginal birth on the development of bile acid and fibroblast growth factor 19 (FGF19) signaling is unknown. Our aim was to determine the effect of birth modality and gestational age (preterm vs term) on plasma hormone levels, bile acid pool distribution, expression of genes in the bile acid-FXR-FGF19 pathway, and plasma levels of FGF19 at birth and on day 3 of life in neonatal pigs. Four sows underwent cesarean delivery on gestation day 105 (n = 2) and 114 (n = 2; term = 115 days), and 2 additional sows were allowed to farrow at term (gestation days 112 and 118). Piglets were euthanized at birth (Term-Vaginal n = 6; Term-Cesarean n = 8; Preterm n = 10) for tissue and blood collection, and the remaining pigs received total parenteral nutrition then were fed enterally on day 3 (Term-Vaginal n = 8; Term-Cesarean n = 10; Preterm n = 8), before blood and tissue were collected. Piglets born vaginally had a markedly (30-fold) higher plasma FGF19 at birth than term pigs born via cesarean delivery, and 70-fold higher than preterm pigs (P < 0.001). However, distal ileum FGF19 gene expression was similar in all groups (P > 0.05). Plasma FGF19 positively correlated with plasma cortisol (r = 0.58; P < 0.05) and dexamethasone treatment increased ileal FGF19 expression in cultured pig tissue explants and human enteroids. Our findings suggest that exposure to maternal or endogenous glucocorticoids in the perinatal period may upregulate the development of the bile acid-FGF19 pathway.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:164 |
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| Enthalten in: |
Endocrinology - 164(2022), 1 vom: 14. Nov. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Vonderohe, Caitlin [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 28.11.2022 Date Revised 16.02.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1210/endocr/bqac188 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a © The Author(s) 2022. Published by Oxford University Press on behalf of the Endocrine Society. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com. | ||
| 520 | |a The influence of birth modality (scheduled cesarean or spontaneous vaginal) on the development of the newborn has been a source of controversy in neonatology. The impact of cesarean vs vaginal birth on the development of bile acid and fibroblast growth factor 19 (FGF19) signaling is unknown. Our aim was to determine the effect of birth modality and gestational age (preterm vs term) on plasma hormone levels, bile acid pool distribution, expression of genes in the bile acid-FXR-FGF19 pathway, and plasma levels of FGF19 at birth and on day 3 of life in neonatal pigs. Four sows underwent cesarean delivery on gestation day 105 (n = 2) and 114 (n = 2; term = 115 days), and 2 additional sows were allowed to farrow at term (gestation days 112 and 118). Piglets were euthanized at birth (Term-Vaginal n = 6; Term-Cesarean n = 8; Preterm n = 10) for tissue and blood collection, and the remaining pigs received total parenteral nutrition then were fed enterally on day 3 (Term-Vaginal n = 8; Term-Cesarean n = 10; Preterm n = 8), before blood and tissue were collected. Piglets born vaginally had a markedly (30-fold) higher plasma FGF19 at birth than term pigs born via cesarean delivery, and 70-fold higher than preterm pigs (P < 0.001). However, distal ileum FGF19 gene expression was similar in all groups (P > 0.05). Plasma FGF19 positively correlated with plasma cortisol (r = 0.58; P < 0.05) and dexamethasone treatment increased ileal FGF19 expression in cultured pig tissue explants and human enteroids. Our findings suggest that exposure to maternal or endogenous glucocorticoids in the perinatal period may upregulate the development of the bile acid-FGF19 pathway | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, U.S. Gov't, Non-P.H.S. | |
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| 700 | 1 | |a Stoll, Barbara |e verfasserin |4 aut | |
| 700 | 1 | |a Hebib, Valeria Melendez |e verfasserin |4 aut | |
| 700 | 1 | |a Dawson, Harry |e verfasserin |4 aut | |
| 700 | 1 | |a Burrin, Douglas |e verfasserin |4 aut | |
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