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Hage Diab Y, Martins JG, Saade G, Kawakita T. The Association between Fetal Growth Restriction and Maternal Morbidity. Am J Perinatol 2024; 41:e2195-e2201. [PMID: 37364597 DOI: 10.1055/s-0043-1770706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
OBJECTIVE This study aimed to compare adverse maternal outcomes between pregnancies complicated by fetal growth restriction (FGR) and those without FGR. STUDY DESIGN This was a secondary analysis of the data from the Consortium on Safe Labor, which was conducted from 2002 to 2008 in 12 clinical centers with 19 hospitals across 9 American College of Obstetricians and Gynecologists districts. We included singleton pregnancies without any maternal comorbidities or placenta abnormalities. We compared the outcomes of individuals with FGR with individuals without FGR. Our primary outcome was severe maternal morbidity. Our secondary outcome included various adverse maternal and neonatal outcomes. Multivariable logistic regression was performed to obtain adjusted odds ratios (aOR) and 95% confidence intervals (95% CI), adjusting for confounders. Missing values for maternal age and body mass index were imputed. RESULTS Of 199,611 individuals, 4,554 (2.3%) had FGR and 195,057 (97.7%) did not have FGR. Compared with the individuals without FGR, individuals with FGR had increased odds of severe maternal morbidity (0.6 vs. 1.3%; aOR: 1.97 [95% CI: 1.51-2.57]), cesarean delivery (27.7 vs. 41.2%; aOR: 2.31 [95% CI: 2.16-2.48]), pregnancy-associated hypertension (8.3 vs. 19.2%; aOR: 2.76 [95% CI: 2.55-2.99]), preeclampsia without severe features (3.2 vs. 4.7%; aOR: 1.45 [95% CI: 1.26-1.68]), preeclampsia with severe features (1.4 vs. 8.6%; aOR: 6.04 [95% CI: 5.39-6.76]), superimposed preeclampsia (18.3 vs. 30.2%; aOR: 1.99 [95% CI: 1.53-2.59]), neonatal intensive care unit admission (9.7 vs. 28.4%; aOR: 3.53 [95% CI: 3.28-3.8]), respiratory distress syndrome (2.2 vs. 7.7%; aOR: 3.57 [95% CI: 3.15-4.04]), transient tachypnea of the newborn (3.3 vs. 5.4%; aOR: 1.62 [95% CI: 1.40-1.87]), and neonatal sepsis (2.1 vs. 5.5%; aOR: 2.43 [95% CI: 2.10-2.80]). CONCLUSION FGR was associated with increased odds of severe maternal outcomes in addition to adverse neonatal outcomes. KEY POINTS · FGR is associated with cesarean section.. · FGR is not associated with severe maternal morbidity.. · FGR is related to pregnancy-associated hypertension.. · FGR is associated with neonatal morbidity..
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Affiliation(s)
- Yara Hage Diab
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Juliana G Martins
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
| | - George Saade
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Tetsuya Kawakita
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia
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Zhang C, Zhang D, Huang H, Lu X, Shi H, Liu K, Guo X, Zhang R, Wang H. Cathepsin D mediates prenatal caffeine exposure-caused NAFLD susceptibility in male rat offspring by regulating autophagy. Free Radic Biol Med 2023; 208:684-699. [PMID: 37743032 DOI: 10.1016/j.freeradbiomed.2023.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 09/16/2023] [Accepted: 09/22/2023] [Indexed: 09/26/2023]
Abstract
Epidemiological evidence has revealed that non-alcoholic fatty liver disease (NAFLD) harbors an intrauterine origin. Autophagy is known to be involved in the protective mechanism in the development of adult NAFLD, but whether it engages in the occurrence of fetal-originated NAFLD remains unclear. In this study, a rat model of fetal-originated NAFLD was established by giving a high-fat diet or chronic stress after birth on prenatal caffeine exposure (PCE) male offspring. The alterations of liver morphologic analysis, lipid metabolism, and autophagy before and after birth were determined to confirm autophagy mechanism, NAFLD susceptibility, and intrauterine origin in PCE male adult offspring. Our results revealed that PCE-induced intrauterine high concentration of corticosterone exposure blocked autophagic flux by inhibiting cathepsin D expression in hepatocytes, leading to β-oxidation inhibition and lipid accumulation in the liver. Moreover, high concentration of corticosterone upregulated miR-665 by activating the glucocorticoid receptor to suppress cathepsin D, thus causing lysosomal degradation dysfunction and autophagy flux blockade. Notably, hepatic overexpression of cathepsin D could reverse PCE-induced postnatal NAFLD susceptibility in male rat offspring. This study elucidates the epigenetic programming mechanism of intrauterine autophagy-related fetal-originated NAFLD susceptibility, and identifies cathepsin D as its early intervention target, providing an experimental basis for exploring early prevention and treatment strategies for fetal-originated NAFLD.
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Affiliation(s)
- Cong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Dingmei Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Hegui Huang
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China; Wuhan No.1 Hospital, Wuhan, 430022, China
| | - Xiaoqian Lu
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Huasong Shi
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Kexin Liu
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Xiaoling Guo
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Rui Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Hui Wang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China.
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The Exploration of Fetal Growth Restriction Based on Metabolomics: A Systematic Review. Metabolites 2022; 12:metabo12090860. [PMID: 36144264 PMCID: PMC9501562 DOI: 10.3390/metabo12090860] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/03/2022] [Accepted: 09/04/2022] [Indexed: 11/30/2022] Open
Abstract
Fetal growth restriction (FGR) is a common complication of pregnancy and a significant cause of neonatal morbidity and mortality. The adverse effects of FGR can last throughout the entire lifespan and increase the risks of various diseases in adulthood. However, the etiology and pathogenesis of FGR remain unclear. This study comprehensively reviewed metabolomics studies related with FGR in pregnancy to identify potential metabolic biomarkers and pathways. Relevant articles were searched through two online databases (PubMed and Web of Science) from January 2000 to July 2022. The reported metabolites were systematically compared. Pathway analysis was conducted through the online MetaboAnalyst 5.0 software. For humans, a total of 10 neonatal and 14 maternal studies were included in this review. Several amino acids, such as alanine, valine, and isoleucine, were high frequency metabolites in both neonatal and maternal studies. Meanwhile, several pathways were suggested to be involved in the development of FGR, such as arginine biosynthesis, arginine, and proline metabolism, glyoxylate and dicarboxylate metabolism, and alanine, aspartate, and glutamate metabolism. In addition, we also included 8 animal model studies, in which three frequently reported metabolites (glutamine, phenylalanine, and proline) were also present in human studies. In general, this study summarized several metabolites and metabolic pathways which may help us to better understand the underlying metabolic mechanisms of FGR.
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Low miR-92a-3p in oocytes mediates the multigenerational and transgenerational inheritance of poor cartilage quality in rat induced by prenatal dexamethasone exposure. Biochem Pharmacol 2022; 203:115196. [DOI: 10.1016/j.bcp.2022.115196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 11/18/2022]
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5
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Eleftheriades M, Vousoura E, Eleftheriades A, Pervanidou P, Zervas IM, Chrousos G, Vlahos NF, Sotiriadis A. Physical Health, Media Use, Stress, and Mental Health in Pregnant Women during the COVID-19 Pandemic. Diagnostics (Basel) 2022; 12:diagnostics12051125. [PMID: 35626281 PMCID: PMC9140022 DOI: 10.3390/diagnostics12051125] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 02/01/2023] Open
Abstract
Background: The COVID-19 pandemic has led to significant changes in the care of pregnant women and their fetuses. Emerging data show elevated depression and anxiety symptoms among pregnant women. Aims: The purpose of this article is to investigate the psychological and behavioral impact of the COVID-19 pandemic on pregnant women in Greece during the first national lockdown. Methods: We used a cross-sectional, anonymous survey to collect data in two fetal medicine clinics in the largest urban centers of Greece during the months of April and May 2020. The questionnaire was largely based on the CoRonavIruS Health Impact Survey (CRISIS), and assessed sociodemographic characteristics, general health and obstetric data and COVID-19-related worries and life changes. Mood symptoms, substance use and lifestyle behaviors were assessed at two time points (3 months prior to the pandemic and the 2 weeks before taking the survey), while perceived stress was measured with the perceived stress scale (PSS-14). Results: A total of 308 pregnant women (Mage = 34.72), with a mean gestation of 21.19 weeks participated in the study. Over one-third of the women found COVID-19 restrictions stressful, and their highest COVID-19-related worry was having to be isolated from their baby. Mean PSS-14 score was 21.94, suggesting moderate stress. The strongest predictors of stress were physical and mental health status before COVID-19 and having experienced a stressful life event during their pregnancy. Compared to 3 months before the pandemic, women reported higher scores on mood symptoms (p < 0.001), TV use (p = 0.01) and social media use (p = 0.031) in the last 2 weeks before taking the survey. Conclusion: Our study provides important preliminary evidence of the negative impact of the COVID-19 pandemic and the lockdown on pregnant women’s well-being and functioning.
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Affiliation(s)
- Makarios Eleftheriades
- Second Department of Obstetrics and Gynecology, School of Medicine, National and Kapodistrian University of Athens, Aretaieion Hospital, 11528 Athens, Greece;
- Correspondence:
| | - Eleni Vousoura
- Department of Psychology, National and Kapodistrian University of Athens, 15780 Athens, Greece;
- First Department of Psychiatry, School of Medicine, National and Kapodistrian University of Athens, “Aiginiteion” Hospital, 11528 Athens, Greece;
| | - Anna Eleftheriades
- Postgraduate Programme in Fetal Maternal Medicine, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Panagiota Pervanidou
- Unit of Developmental and Behavioral Pediatrics, First Department of Pediatrics, National and Kapodistrian University of Athens, Aghia Sophia Children’s Hospital, 11527 Athens, Greece; (P.P.); (G.C.)
| | - Iannis M. Zervas
- First Department of Psychiatry, School of Medicine, National and Kapodistrian University of Athens, “Aiginiteion” Hospital, 11528 Athens, Greece;
| | - George Chrousos
- Unit of Developmental and Behavioral Pediatrics, First Department of Pediatrics, National and Kapodistrian University of Athens, Aghia Sophia Children’s Hospital, 11527 Athens, Greece; (P.P.); (G.C.)
| | - Nikolaos F. Vlahos
- Second Department of Obstetrics and Gynecology, School of Medicine, National and Kapodistrian University of Athens, Aretaieion Hospital, 11528 Athens, Greece;
| | - Alexandros Sotiriadis
- Second Department of Obstetrics and Gynecology, School of Medicine, Aristotle University of Thessaloniki, “Ippokrateion” Hospital, 54642 Thessaloniki, Greece;
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Castro TDF, de Matos NA, de Souza ABF, Costa GDP, Perucci LO, Talvani A, Cangussú SD, Chianca-Jr DA, de Menezes RCA, Bezerra FS. Protein restriction during pregnancy affects lung development and promotes oxidative stress and inflammation in C57BL/6 mice offspring. Nutrition 2022; 101:111682. [DOI: 10.1016/j.nut.2022.111682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 03/22/2022] [Accepted: 04/04/2022] [Indexed: 11/16/2022]
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7
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MiR-466b-3p/HDAC7 meditates transgenerational inheritance of testicular testosterone synthesis inhibition induced by prenatal dexamethasone exposure. Biochem Pharmacol 2022; 199:115018. [DOI: 10.1016/j.bcp.2022.115018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 03/19/2022] [Accepted: 03/22/2022] [Indexed: 11/23/2022]
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8
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Sarli PM, Manousopoulou A, Efthymiou E, Zouridis A, Potiris A, Pervanidou P, Panoulis K, Vlahos N, Deligeoroglou E, Garbis SD, Eleftheriades M. Liver Proteome Profile of Growth Restricted and Appropriately Grown Newborn Wistar Rats Associated With Maternal Undernutrition. Front Endocrinol (Lausanne) 2021; 12:684220. [PMID: 34127923 PMCID: PMC8195994 DOI: 10.3389/fendo.2021.684220] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 05/04/2021] [Indexed: 12/22/2022] Open
Abstract
Background Fetal growth restriction (FGR) has been associated with adverse perinatal outcomes and epigenetic modifications that impact gene expression leading to permanent changes of fetal metabolic pathways and thereby influence development of disease in childhood and adult life. In this study, we investigated the result of maternal food restriction on liver protein expression in Wistar male newborn pups. Materials & Methods Ten (n = 10) timed pregnant Wistar rats on their 14th day of gestation were randomly assigned to either control (n = 4) or food restricted group (n = 6). The control group had ad libitum access to food. In the food restricted group, maternal diet was limited in a moderate fashion (50%) from day 15 of pregnancy until delivery. All rats delivered spontaneously on day 21 and newborn pups were immediately weighed. Pups born to normally nourished mothers were considered as controls, while pups born to food restricted mothers were subdivided into two groups, based on their birth weight: growth restricted (FGR) and appropriately grown (non-FGR). Rats were euthanized immediately after birth and liver tissues of 11 randomly selected male offspring (FGR n = 4, non-FGR n = 4, control n = 3) were collected and analyzed using quantitative proteomics. Results In total 6,665 proteins were profiled. Of these, 451 and 751 were differentially expressed in FGR and non-FGR vs. control, respectively, whereas 229 proteins were commonly expressed. Bioinformatics analysis of the differentially expressed proteins (DEPs) in FGR vs. control revealed induction of the super-pathway of cholesterol biosynthesis and inhibition of thyroid hormone metabolism, fatty acid beta oxidation and apelin liver signaling pathway. Analysis of DEPs in non-FGR vs. control groups showed inhibition of thyroid hormone metabolism, fatty acid beta oxidation, and apelin liver signaling pathway. Conclusion This study demonstrates the impact of prenatal food restriction on the proteomic liver profile of FGR and non-FGR offspring underlying the importance of both prenatal adversities and birth weight on liver-dependent postnatal disease.
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Affiliation(s)
- Polyxeni-Maria Sarli
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Antigoni Manousopoulou
- Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States
| | - Elias Efthymiou
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Andreas Zouridis
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasios Potiris
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiota Pervanidou
- First Department of Paediatrics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Panoulis
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Vlahos
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Efthymios Deligeoroglou
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Spiros D. Garbis
- Institute for Life Sciences, University of Southampton, Southampton, United Kingdom
| | - Makarios Eleftheriades
- Second Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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9
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Xia X, Liu Y, Liu L, Chen Y, Wang H. Selection and verification of the combination of reference genes for RT-qPCR analysis in rat adrenal gland development. J Steroid Biochem Mol Biol 2021; 208:105821. [PMID: 33465421 DOI: 10.1016/j.jsbmb.2021.105821] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 12/04/2020] [Accepted: 12/15/2020] [Indexed: 12/19/2022]
Abstract
Quantitative reverse transcription polymerase chain reaction (RT-qPCR) is commonly used for gene expression analysis, and the accuracy of its results depends greatly on chosen reference genes. Adrenal gland is the core of the occurrence and development of fetal-originated adult diseases. Its dysplasia or dysfunction may increase susceptibility to adult disease, which has apparent sex differences. To explore the optimal combination of reference genes for RT-qPCR in female and male rats adrenal development, we selected seven reference genes (GAPDH, β-actin, etc.), and use RT-qPCR to detect genes expression during different stages of rats adrenal development under physiological conditions. Then we analysed data using GeNorm, NormFinder and BestKeeper to select the optimal combination of reference genes. Further, we used the intrauterine growth retardation (IUGR) model of rat caused by prenatal caffeine exposure (PCE) to verify the stability and accuracy of the selected combination of reference genes under physiological conditions. The results showed that TBP + β-actin could be the optimal combination of reference genes for fetal rat adrenals under physiological conditions, without obvious sex differences. In infancy and adolescence, the optimal combination of reference genes for adrenals had sex differences, and females were GAPDH + β-actin, while males were GAPDH + SDHA. In PCE model, the optimal combination of reference genes was consistent with physiological conditions. Using combination of reference genes to analyze target genes can improve the accuracy of the results. In summary, this study provided reliable combination of reference genes for RT-qPCR and experimental supports for researches on adrenal development.
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Affiliation(s)
- Xuan Xia
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China
| | - Yi Liu
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China
| | - Liang Liu
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China; Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yawen Chen
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China
| | - Hui Wang
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China.
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Jin Y, Li J, Deng X, Xia B, Song Q, Zhao Y, He X, Li Y, Xu Z, Xie A, Lin J, Zhang Y, Chen S. Association between fetal growth restriction and maternal exposure to polybrominated diphenyl ethers. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 198:110623. [PMID: 32361490 DOI: 10.1016/j.ecoenv.2020.110623] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/30/2020] [Accepted: 04/09/2020] [Indexed: 05/06/2023]
Abstract
Humans are exposed to polybrominated diphenyl ethers (PBDEs) via ingestion of food, dust inhalation, and dermal absorption. Exposure to PBDEs via the placenta and breast milk is a special and important pathway in infants. This nested case-control study aimed to investigate the levels of PBDEs in maternal serum and colostrum, and to assess the association between the occurrence of fetal growth restriction (FGR) and prenatal exposure to PBDEs. We recruited 293 mother-newborn pairs, including 98 FGR cases and 195 healthy controls in Wenzhou, China. Maternal serum and colostrum samples were collected during pregnancy and after delivery, respectively, and the levels of PBDEs were measured by gas chromatography-tandem mass spectrometry. The total levels of PBDEs in maternal serum and colostrum were found to be in equilibrium, but congener profiles of PBDEs in these matrices were different. Increased BDE-207, BDE-209, ∑BDE196-209 and ∑PBDEs levels in maternal serum and BDE-99, ∑BDE17-154 and ∑PBDEs levels in colostrum were correlated with decreased birth weight Z score. Increased concentrations of higher brominated BDEs in maternal serum (odds ratio (OR) = 1.010, 95%CI = 1.003-1.018) and low-to moderately brominated BDEs in colostrum (OR = 1.004, 95%CI = 1.000-1.009) were associated with increased risk of FGR, which showed an exposure-response relationship. In addition, infants with FGR were more exposed to PBDEs in colostrum after birth than healthy infants. Longitudinal birth cohort studies are needed to determine the prolonged effect of PBDEs exposure on the growth of FGR infants in the future.
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Affiliation(s)
- Yuting Jin
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Department of Pediatrics, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China
| | - Jialin Li
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Xiaokai Deng
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Bin Xia
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Qi Song
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Yingya Zhao
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Xiaoxiao He
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Yimei Li
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Zhangye Xu
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Ailan Xie
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Jing Lin
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Yunhui Zhang
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China.
| | - Shangqin Chen
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China.
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Tan CMJ, Lewandowski AJ. The Transitional Heart: From Early Embryonic and Fetal Development to Neonatal Life. Fetal Diagn Ther 2019; 47:373-386. [PMID: 31533099 DOI: 10.1159/000501906] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 07/04/2019] [Indexed: 12/12/2022]
Abstract
Formation of the human heart involves complex biological signals, interactions, specification of myocardial progenitor cells, and heart tube looping. To facilitate survival in the hypoxemic intrauterine environment, the fetus possesses structural, physiological, and functional cardiovascular adaptations that are fundamentally different from the neonate. At birth, upon separation from the placental circulation, the neonatal cardiovascular system takes over responsibility of vital processes for survival. The transition from the fetal to neonatal circulation is considered to be a period of intricate physiological, anatomical, and biochemical changes in the cardiovascular system. With a successful cardiopulmonary transition to the extrauterine environment, the fetal shunts are functionally modified or eliminated, enabling independent life. Investigations using medical imaging tools such as ultrasound and magnetic resonance imaging have helped to define normal and abnormal patterns of cardiac remodeling both in utero and ex utero. This has not only allowed for a better understanding of how congenital cardiac malformations alter the hemodynamic transition to the extrauterine environment but also how other more common complications during pregnancy including intrauterine growth restriction, preeclampsia, and preterm delivery adversely affect offspring cardiac remodeling during this early transitional period. This review article describes key cardiac progenitors involved in embryonic heart development; the cellular, physiological, and anatomical changes during the transition from fetal to neonatal circulation; as well as the unique impact that different pregnancy complications have on cardiac remodeling.
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Affiliation(s)
- Cheryl Mei Jun Tan
- Oxford Cardiovascular Clinical Research Facility, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Adam James Lewandowski
- Oxford Cardiovascular Clinical Research Facility, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom,
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12
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Prenatal hypoxia affected endothelium-dependent vasodilation in mesenteric arteries of aged offspring via increased oxidative stress. Hypertens Res 2019; 42:863-875. [DOI: 10.1038/s41440-018-0181-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 11/09/2018] [Accepted: 11/14/2018] [Indexed: 12/27/2022]
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13
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Autophagy as a compensation mechanism participates in ethanol-induced fetal adrenal dysfunction in female rats. Toxicol Appl Pharmacol 2018. [DOI: 10.1016/j.taap.2018.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Chen G, Yuan C, Duan F, Liu Y, Zhang J, He Z, Huang H, He C, Wang H. IGF1/MAPK/ERK signaling pathway-mediated programming alterations of adrenal cortex cell proliferation by prenatal caffeine exposure in male offspring rats. Toxicol Appl Pharmacol 2018; 341:64-76. [PMID: 29343424 DOI: 10.1016/j.taap.2018.01.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 01/01/2018] [Accepted: 01/12/2018] [Indexed: 12/20/2022]
Abstract
Our previous study proposed a glucocorticoid-insulin-like growth factor 1 (GC-IGF1) axis programming mechanism for prenatal caffeine exposure (PCE)-induced adrenal developmental dysfunction. Here, we focused on PCE-induced cell proliferation changes of the adrenal cortex in male offspring rats before and after birth and clarified the intrauterine programming mechanism. On gestational day (GD) 20, the PCE group had an elevated serum corticosterone level reduced fetal bodyweight, maximum adrenal sectional area, and elevated adrenal corticosterone and aldosterone contents. However, in postnatal week (PW) 6, the serum corticosterone level was decreased, and the bodyweight, with catch-up growth, adrenal cortex maximum cross-sectional area and aldosterone content were relatively increased, while the adrenal corticosterone content was lower. On GD20, the expression of adrenal IGF1, IGF1R and proliferating cell nuclear antigen (PCNA) were decreased, while the expression of these factors at PW6 were increased in the PCE group. Fetal adrenal gene chip analysis suggested that the mitogen-activated protein kinase/extracellular regulated protein kinase (MAPK/ERK) signal pathway was suppressed in the PCE group. Moreover, in the rat primary adrenal cells, corticosterone (rather than caffeine) was shown to significantly inhibit cell proliferation, IGF1 and PCNA expression, and ERK phosphorylation, which could be reversed by exogenous IGF1. Meanwhile, the effects of exogenous IGF1 were reversed by the ERK pathway inhibitor (PD184161). In conclusion, PCE could induce programming alterations in adrenal cortical cell proliferation before and after birth in male offspring rats. The underlying mechanism is associated with the inhibition of fetal adrenal IGF1-related MAPK/ERK signaling pathway caused by high glucocorticoid levels.
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Affiliation(s)
- Guanghui Chen
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Chao Yuan
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Fangfang Duan
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Yanyan Liu
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Jinzhi Zhang
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Zheng He
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Hegui Huang
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Chunjiang He
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Hui Wang
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China.
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Lin J, Huang H, Lv G, Xu X, Lin W, Xu X, Cheng J, Zheng M. Chronic prenatal hypoxia impairs cochlear development, a mechanism involving connexin26 expression and promoter methylation. Int J Mol Med 2017; 41:852-858. [PMID: 29207085 PMCID: PMC5752184 DOI: 10.3892/ijmm.2017.3303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 11/02/2017] [Indexed: 12/31/2022] Open
Abstract
Chronic prenatal hypoxia is a damaging to fetal development and may have various consequences, including hearing loss. Connexin 26 (Cx26) is one of the major protein subunits required for gap junction formation, and has an important role in maintaining homeostasis in the cochlea and normal hearing. Cx26 mutation and expression abnormality are closely associated with inherited nonsyndromic deafness, but the association between Cx26 and prenatal hypoxia is less established. The present study aimed to examine Cx26 expression and aberrant methylation the Cx26 promoter region in the cochlea from rats exposed to chronic prenatal hypoxia. Hematoxylin and eosin staining demonstrated that the number of hair cells in the organ of Corti were less in the hypoxia group. Reverse transcription-quantitative polymerase chain reaction and western blot analysis revealed that protein and mRNA levels of Cx26 were decreased in the hypoxia group compared with the control group. Further bisulfite sequencing analysis revealed that prenatal hypoxia significantly increased the methylation status of the promoter region of the Cx26 gene. These results demonstrate that chronic prenatal hypoxia caused hearing impairment, and suggest that promoter region hypermethylation and expression downregulation of Cx26 underlie the mechanism of action.
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Affiliation(s)
- Jingcang Lin
- Department of Anatomy, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
| | - Huang Huang
- Department of Histology and Embryology, Quanzhou Medical College, Quanzhou, Fujian 362100, P.R. China
| | - Guorong Lv
- Department of Medical Imaging, Quanzhou Medical College, Quanzhou, Fujian 362100, P.R. China
| | - Xiangyang Xu
- Department of Histology and Embryology, Quanzhou Medical College, Quanzhou, Fujian 362100, P.R. China
| | - Wendong Lin
- Department of Anatomy, Quanzhou Medical College, Quanzhou, Fujian 362100, P.R. China
| | - Xianyan Xu
- Department of Anatomy, Quanzhou Medical College, Quanzhou, Fujian 362100, P.R. China
| | - Jing Cheng
- Department of Histology and Embryology, Quanzhou Medical College, Quanzhou, Fujian 362100, P.R. China
| | - Ming Zheng
- Department of Anatomy, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
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Hemker SL, Sims-Lucas S, Ho J. Role of hypoxia during nephrogenesis. Pediatr Nephrol 2016; 31:1571-7. [PMID: 26872484 PMCID: PMC4982845 DOI: 10.1007/s00467-016-3333-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/20/2016] [Accepted: 01/22/2016] [Indexed: 11/26/2022]
Abstract
Mammals develop in a physiologically hypoxic state, and the oxygen tension of different tissues in the embryo is precisely controlled. Deviation from normal oxygenation, such as what occurs in placental insufficiency, can disrupt fetal development. Several studies demonstrate that intrauterine hypoxia has a negative effect on kidney development. As nascent nephrons are forming from nephron progenitors in the nephrogenic zone, they are exposed to varying oxygen tension by virtue of the development of the renal vasculature. Thus, nephrogenesis may be linked to oxygen tension. However, the mechanism(s) by which this occurs remains unclear. This review focuses on what is known about molecular mechanisms active in physiological and pathological hypoxia and their effects on kidney development.
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Affiliation(s)
- Shelby L Hemker
- Division of Nephrology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, USA
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Rangos Research Center, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Ave, Pittsburgh, PA, 15224, USA
| | - Sunder Sims-Lucas
- Division of Nephrology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, USA
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Rangos Research Center, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Ave, Pittsburgh, PA, 15224, USA
| | - Jacqueline Ho
- Division of Nephrology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, USA.
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
- Rangos Research Center, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Ave, Pittsburgh, PA, 15224, USA.
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Aydin HI, Eser A, Kaygusuz I, Yildirim S, Celik T, Gunduz S, Kalman S. Adipokine, adropin and endothelin-1 levels in intrauterine growth restricted neonates and their mothers. J Perinat Med 2016; 44:669-76. [PMID: 26352058 DOI: 10.1515/jpm-2014-0353] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Accepted: 07/09/2015] [Indexed: 12/28/2022]
Abstract
Intrauterine growth retardation/restriction (IUGR) is associated with fetal malnutrition. It has consequences for later life including increased incidence of obesity, diabetes mellitus, cardiovascular disease (CVD), and metabolic syndrome. Adipokines (adiponectin and leptin), adropin, and endothelin-1 are associated with obesity and metabolic syndrome regulation. Intrauterine changes in these mediators could affect programming of later adult obesity and metabolic syndrome. Our objectives were to compare the levels of these mediators in both cord and maternal blood between IUGR pregnancies and control, healthy pregnancies, and to study the correlation of adipokines with adropin and endothelin-1 in maternal and cord blood in IUGR pregnancies as well as in healthy control pregnancies. Maternal and cord blood samples were taken from 16 women with IUGR pregnancies and 16 women with healthy pregnancies. Serum levels of leptin, adiponectin, adropin, and endothelin-1 were measured by ELISA. Maternal blood adropin levels were significantly lower in the IUGR group than in the control group; the other mediators did not differ significantly. There was a positive correlation between maternal blood adropin and endothelin levels. (r=0.731, P=0.001) in the control but not the IUGR group. Cord blood adropin and adiponectin levels were significantly lower in the IUGR group compared with the control group, while leptin or endothelin-1 did not differ significantly. There was a negative correlation between adropin and leptin (r=-0.704, P=0.001) in the IUGR but not the control group cord blood. There were also positive correlations between endothelin and adropin for both groups (r=0.594, P=0.006; r=0.560, P=0.010, respectively); to the best of our knowledge, this is the first report of such a correlation. Differences in fetal expression of adropin and adiponectin in IUGR could influence programming of obesity, metabolic syndrome, diabetes, and CVD in later life.
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Assessment of body composition in Wistar rat offspring by DXA in relation to prenatal and postnatal nutritional manipulation. Pediatr Res 2016; 80:319-25. [PMID: 27057736 DOI: 10.1038/pr.2016.61] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2015] [Accepted: 01/19/2016] [Indexed: 01/09/2023]
Abstract
BACKGROUND This experimental study aims to investigate the impact of combinations of prenatal and postnatal food manipulation on body composition in rat offspring. METHODS On day 12 of gestation, 100 timed pregnant rats were randomized into two nutritional groups: standard laboratory and 50% starved. Pups born to starved mothers were subdivided, based on birthweight (BiW), into fetal growth restricted (FGR) and non-FGR. Pups were born on day 21, cross-fostered, then left undisturbed lactating until the 26th postnatal day when they underwent dual-energy X-ray absorptiometry (DXA) examination. RESULTS Prenatally control-fed animals had a significantly greater body weight at 26 d postnatally than the prenatally starved groups, irrespective of their postnatal diet (P < 0.001). Postnatal control diet was associated with significantly increased abdominal and total fat in non-FGR compared to FGR rats (P < 0.001). non-FGR/CONTROL rats showed higher values of abdominal fat than prenatally starved animals that were starved postnatally irrespective of their birth weight (P < 0.001). Postnatal control diet significantly increased total bone mineral content (BMC), head BMC, head area, abdominal BMC in non-FGR compared to FGR rats (P < 0.001). CONCLUSION Interaction between prenatal and postnatal nutrition affects growth, abdominal adiposity, and bone accrual in Wistar rats' offspring at 26 d of life.
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Sotiriadis A, Eleftheriades M, Chatzinikolaou F, Hassiakos D, Chrousos GP, Pervanidou P. National curves of foetal growth in singleton foetuses of Greek origin. Eur J Clin Invest 2016; 46:425-33. [PMID: 26915530 DOI: 10.1111/eci.12611] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2015] [Accepted: 02/21/2016] [Indexed: 01/01/2023]
Abstract
BACKGROUND Foetal growth monitoring is an essential component of prenatal care with postnatal impact. The aim of the study was to construct reference ranges for foetal biometric parameters in Greek foetuses and to compare them with previously published models. MATERIALS AND METHODS Measurements from 1200 Greek foetuses were used to construct normal curves for biparietal diameter (BPD), occipitofrontal diameter (OFD), head circumference (HC), abdominal circumference (AC), femoral length (FL) and the BPD/FL ratio according to the methodology described by Royston and Wright (1998). The model was validated in a second group of 1200 different foetuses using analysis of the corresponding standardized residuals (z-scores). The z-scores which were derived by our model were compared to those calculated using previously published models from other populations. RESULTS BPD, OFD, HC, AC, FL and the BPD/FL ratio are accurately described by simple quadratic equations (R(2) > 0·96 for most of the parameters tested). Statistically significant differences were observed for most of the z-scores when our models were compared to previously published models. Less than 10% of our foetuses were < 5th or > 95th centile of the latter models. About 10% of our foetuses were > 95th centile for FL and HC when the INTERGROWTH-21st formulas were used. CONCLUSION We present national foetal biometric references. Using charts from other populations (including INTERGROWTH-21st) may be unrepresentative of local populations and lead to misclassification of foetal growth status.
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Affiliation(s)
- Alexandros Sotiriadis
- Second Department of Obstetrics and Gynecology, "Hippokrateion" General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Makarios Eleftheriades
- First Department of Pediatrics, School of Medicine, "Aghia Sophia" Children's Hospital, University of Athens, Athens, Greece.,Embryocare Fetal Medicine Unit, Athens, Greece
| | - Fotios Chatzinikolaou
- Laboratory of Forensic Medicine and Toxicology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Demetrios Hassiakos
- Second Department of Obstetrics and Gynecology, School of Medicine, "Aretaieion" Hospital, University of Athens, Athens, Greece
| | - George P Chrousos
- First Department of Pediatrics, School of Medicine, "Aghia Sophia" Children's Hospital, University of Athens, Athens, Greece
| | - Panagiota Pervanidou
- First Department of Pediatrics, School of Medicine, "Aghia Sophia" Children's Hospital, University of Athens, Athens, Greece
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20
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Damerill I, Biggar KK, Abu Shehab M, Li SSC, Jansson T, Gupta MB. Hypoxia Increases IGFBP-1 Phosphorylation Mediated by mTOR Inhibition. Mol Endocrinol 2015; 30:201-16. [PMID: 26714229 DOI: 10.1210/me.2015-1194] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
In fetal growth restriction (FGR), fetal growth is limited by reduced nutrient and oxygen supply. Insulin-like growth factor I (IGF-I) is a key regulator of fetal growth and IGF binding protein -1(IGFBP-1) is the principal regulator of fetal IGF-I bioavailability. Phosphorylation enhances IGFBP-1's affinity for IGF-I. Hypoxia induces IGFBP-1 hyperphosphorylation, markedly decreasing IGF-I bioavailability. We recently reported that fetal liver IGFBP-1 hyperphosphorylation is associated with inhibition of the mechanistic target of rapamycin (mTOR) in a nonhuman primate model of FGR. Here, we test the hypothesis that IGFBP-1 hyperphosphorylation in response to hypoxia is mediated by mTOR inhibition. We inhibited mTOR either by rapamycin or small interfering RNA (siRNA) targeting raptor (mTOR complex [mTORC]1) and/or rictor (mTORC2) in HepG2 cells cultured under hypoxia (1% O2) or basal (20% O2) conditions. Conversely, we activated mTORC1 or mTORC1+mTORC2 by silencing endogenous mTOR inhibitors (tuberous sclerosis complex 2/DEP-domain-containing and mTOR-interacting protein). Immunoblot analysis demonstrated that both hypoxia and inhibition of mTORC1 and/or mTORC2 induced similar degrees of IGFBP-1 phosphorylation at Ser101/119/169 and reduced IGF-I receptor autophosphorylation. Activation of mTORC1+mTORC2 or mTORC1 alone prevented IGFBP-1 hyperphosphorylation in response to hypoxia. Multiple reaction monitoring-mass spectrometry showed that rapamycin and/or hypoxia increased phosphorylation also at Ser98 and at a novel site Ser174. In silico structural analysis indicated that Ser174 was in close proximity to the IGF-binding site. Together, we demonstrate that signaling through the mTORC1 or mTORC2 pathway is sufficient to induce IGFBP-1 hyperphosphorylation in response to hypoxia. This study provides novel understanding of the cellular mechanism that controls fetal IGFBP-1 phosphorylation in hypoxia, and we propose that mTOR inhibition constitutes a mechanistic link between hypoxia, reduced IGF-I bioavailability and FGR.
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Affiliation(s)
- Ian Damerill
- Department of Biochemistry (I.D., K.K.B., S.S.-C.L., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada; Department of Obstetrics and Gynecology (T.J.), University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045; Department of Pediatrics (M.B.G.), University of Western Ontario, London, N6C 2V5 Canada; and Children's Health Research Institute (M.A.S., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada
| | - Kyle K Biggar
- Department of Biochemistry (I.D., K.K.B., S.S.-C.L., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada; Department of Obstetrics and Gynecology (T.J.), University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045; Department of Pediatrics (M.B.G.), University of Western Ontario, London, N6C 2V5 Canada; and Children's Health Research Institute (M.A.S., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada
| | - Majida Abu Shehab
- Department of Biochemistry (I.D., K.K.B., S.S.-C.L., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada; Department of Obstetrics and Gynecology (T.J.), University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045; Department of Pediatrics (M.B.G.), University of Western Ontario, London, N6C 2V5 Canada; and Children's Health Research Institute (M.A.S., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada
| | - Shawn Shun-Cheng Li
- Department of Biochemistry (I.D., K.K.B., S.S.-C.L., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada; Department of Obstetrics and Gynecology (T.J.), University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045; Department of Pediatrics (M.B.G.), University of Western Ontario, London, N6C 2V5 Canada; and Children's Health Research Institute (M.A.S., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada
| | - Thomas Jansson
- Department of Biochemistry (I.D., K.K.B., S.S.-C.L., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada; Department of Obstetrics and Gynecology (T.J.), University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045; Department of Pediatrics (M.B.G.), University of Western Ontario, London, N6C 2V5 Canada; and Children's Health Research Institute (M.A.S., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada
| | - Madhulika B Gupta
- Department of Biochemistry (I.D., K.K.B., S.S.-C.L., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada; Department of Obstetrics and Gynecology (T.J.), University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045; Department of Pediatrics (M.B.G.), University of Western Ontario, London, N6C 2V5 Canada; and Children's Health Research Institute (M.A.S., M.B.G.), University of Western Ontario, London, Ontario, N6C 2V5 Canada
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Huang H, He Z, Zhu C, Liu L, Kou H, Shen L, Wang H. Prenatal ethanol exposure-induced adrenal developmental abnormality of male offspring rats and its possible intrauterine programming mechanisms. Toxicol Appl Pharmacol 2015; 288:84-94. [DOI: 10.1016/j.taap.2015.07.005] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2015] [Revised: 07/03/2015] [Accepted: 07/06/2015] [Indexed: 02/03/2023]
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Liu Y, He S, Zhang Y, Xia W, Li M, Zhang C, Gao F. Effects of Intrauterine Growth Restriction During Late Pregnancy on the Development of the Ovine Fetal Thymus and the T-Lymphocyte Subpopulation. Am J Reprod Immunol 2015; 74:26-37. [PMID: 25708257 DOI: 10.1111/aji.12371] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 01/28/2015] [Indexed: 12/21/2022] Open
Abstract
PROBLEM The retarded development of fetal thymus in intrauterine growth restriction (IUGR) from maternal undernutrition during late pregnancy destroys the tridimensional structure and modifies the development of fetal T lymphocytes. The mechanisms, however, remain unclear. The objective of this study was to investigate the effect of IUGR during late pregnancy on the development of the ovine fetal thymus and the T-lymphocyte subpopulation. METHOD OF STUDY Eighteen time-mated ewes with singleton fetuses were allocated to three groups at day 90 of pregnancy: restricted group 1 (RG1, 0.18 MJ ME/BW(0.75) /day, n = 6), restricted group 2 (RG2, 0.33 MJ ME/BW(0.75) /day, n = 6) and a control group (CG, ad libitum, 0.67 MJ ME/BW(0.75) /day, n = 6). Fetuses were recovered at slaughter on day 140. RESULTS Fetuses in RG1 exhibited decreased (P < 0.05) thymic weight, cortical thickness, cortical:medullary, DNA content, total antioxidant capacity, and superoxide dismutase; intermediate changes were found in RG2 fetuses, including decreased thymic weight, cortical thickness, and DNA content (P < 0.05). The reductions (P < 0.05) of CD4(+) CD8(+) T cells, relative mRNA expression of keratin 8, recombination activating gene 1 (RAG1), and B-cell lymphoma 2 (Bcl-2) were found in both restricted groups. In addition, there was reduced mRNA expression (P < 0.05) of T-cell receptor, apoptosis antigen 1 ligand, and RAG2 in the RG1 group. In contrast, increases in glutathione peroxidase, malondialdehyde, caspase-3, Cytochrome c, and CD4(+) T cells were observed (P < 0.05), and higher mRNA expressions (P < 0.05) of protein 53, Bcl-2 associated X protein (Bax), and apoptosis antigen 1 (Fas) were found in RG1 fetuses; and thymuses of RG2 fetuses had increased caspase-3, and expression of Fas and Bax (P < 0.05), relative to control fetuses. CONCLUSION These results indicate that reduced cell proliferation, oxidative stress, and increased cell apoptosis were the potential mechanisms for impaired development and microenvironment of IUGR fetal thymus, and for modifying the maturation of CD4(+) CD8(+) thymocytes underlying their reduced numbers .
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Affiliation(s)
- Yingchun Liu
- College of Life Science, Inner Mongolia Agricultural University, Hohhot, China.,Inner Mongolia Key Laboratory of Biomanufacturing, Hohhot, China
| | - Shan He
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, China
| | - Yuan Zhang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, China
| | - Wei Xia
- College of Life Science, Inner Mongolia Agricultural University, Hohhot, China
| | - Ming Li
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, China
| | - Chongzhi Zhang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, China
| | - Feng Gao
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, China
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Liu J, Wang HW, Liu F, Wang XF. Antenatal taurine improves neuronal regeneration in fetal rats with intrauterine growth restriction by inhibiting the Rho-ROCK signal pathway. Metab Brain Dis 2015; 30:67-73. [PMID: 24866462 DOI: 10.1007/s11011-014-9572-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Accepted: 05/20/2014] [Indexed: 02/05/2023]
Abstract
The Rho-ROCK signal pathway is an important mediator of inhibitory signals that blocks central nervous cell regeneration. Here, we investigated whether antenatal taurine improved neuronal regeneration in fetal rats with intrauterine growth restriction (IUGR) by inhibiting this pathway. Thirty pregnant rats were randomly divided into three groups: control, IUGR, and IUGR + antenatal taurine supplementation (taurine group). The mRNA levels of Ras homolog gene A (Rho A), Rho-associated coiled-coil forming protein kinase 2 (ROCK2), and proliferating cell nuclear antigen (PCNA) were detected using real-time quantitative PCR. RhoA, ROCK2 and PCNA-positive cells were counted using immunohistochemistry. Antenatal taurine supplementation decreased RhoA and Rock2 mRNA expression, increased PCNA mRNA expression, and significantly decreased RhoA, ROCK2-positive and increased PCNA-positive cell counts in IUGR fetal rat brain tissues (p < 0.05). Thus, antenatal taurine supplementation inhibited the expression of key Rho-ROCK signal molecules and improved IUGR fetal brain development.
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Affiliation(s)
- Jing Liu
- Department of Neonatology and NICU, Bayi Children's Hospital Affiliated to Beijing Military General Hospital, 5 Nanmen Cang, Dongcheng District, Beijing, 100700, China,
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Liu J, Wang XF, Wang Y, Wang HW, Liu Y. The incidence rate, high-risk factors, and short- and long-term adverse outcomes of fetal growth restriction: a report from Mainland China. Medicine (Baltimore) 2014; 93:e210. [PMID: 25501078 PMCID: PMC4602786 DOI: 10.1097/md.0000000000000210] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
To investigate the incidence and high-risk factors of fetal growth restriction (FGR) in Mainland China and determine the adverse effects of this condition on fetal-neonatal health. This study was a retrospective chart review. We investigated the incidence rate of FGR using a retrospective analysis of clinical data obtained from mothers and newborns from 7 hospitals in Mainland China from January 1 to December 31, 2011. The short-term outcomes of FGR were analyzed based on data obtained from the neonatal intensive-care unit (NICU) of Bayi Children's Hospital. The long-term outcomes of FGR were determined after a follow-up study of 125 cases of FGR in children at 18 months. The physical development index, mental development index (MDI), and psychomotor development index (PDI) were compared between FGR patients and controls. The incidence of FGR was 8.77%. The incidence of FGR was significantly higher in females than in males (9.80% vs 7.84%, P < 0.05). The incidence of FGR in preterm infants was higher than that in full-term infants (16.43% vs 7.87%, P < 0.01). Chronic hypertension, abnormal amniotic fluid, and umbilical cord abnormalities were independent factors of FGR. A significantly higher incidence of complications, including hypoglycemia, asphyxia, hypoxic-ischemic encephalopathy, gastrointestinal bleeding, congenital malformations, polycythemia, lung hemorrhage, apnea, congenital heart disease, and disseminated intravascular coagulation, was observed in FGR patients than in controls. The FGR prolonged the duration of the hospital stay and markedly increased hospitalization expenses (P < 0.05). Children with FGR showed catch-up growth, which reached the level of the control group after 1.5 years, but these individuals still had lower MDI and PDI scores. The incidence rate of FGR in Mainland China was 8.77%. It has a significantly adverse effect on fetal-neonatal health and cognitive development.
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Affiliation(s)
- Jing Liu
- From the Department of Neonatology and NICU, Bayi Children's Hospital Affiliated to Beijing Military General Hospital, Beijing 100700, China (JL, X-FW, YW, H-WW, YL); Graduate School of Anhui Medical University, Hefei 230033, China (X-FW, H-WW, YL); Graduate School of Southern Medical University, Guangzhou 510515, China (YW)
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Eleftheriades M, Pervanidou P, Vafaei H, Vaggos G, Dontas I, Skenderi K, Sebire NJ, Nicolaides K. Metabolic profiles of adult Wistar rats in relation to prenatal and postnatal nutritional manipulation: the role of birthweight. Hormones (Athens) 2014; 13:268-79. [PMID: 24776627 DOI: 10.1007/bf03401341] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE This experimental study aimed to prospectively investigate the impact of combinations of prenatal and postnatal food manipulations on the metabolic profile of adult offspring. DESIGN On day 12 of gestation, 67 timed pregnant rats were randomized into three nutritional groups, control: standard laboratory food; starved: 50% food restricted, FR; fat-fed: fat-rich diet, FF. Seven hundred and seventy-four (774) pups were born on day 21 and culled to 8 (4 males, 4 females) per litter to normalize rearing. Rats born to starved mothers were later subdivided, based on birthweight (BiW), into fetal growth restricted (FGR) and non-FGR. The pups were then weaned to the diet of their fostered mother until one year old. Thus, 12 groups were studied: 1. CONTROL/CONTROL 14 rats, 2. CONTROL/FR 12 rats, 3. CONTROL/FF 15 rats, 4. FGR/CONTROL 16 rats, 5. FGR/FR 10 rats, 6. FGR/FF 15 rats, 7. non- FGR/CONTROL 10 rats, 8. non- FGR/FR 17 rats, 9. non- FGR/FF 10 rats, 10. FF/CONTROL 15 rats, 11. FF/FR 14 rats, and 12. FF/FF 13 rats. During sacrifice, body weight (BW) and liver weight (LW) were measured (expressed in grams) and concentrations of serum glucose, triglycerides, HDL and NEFA were determined. RESULTS Postnatal food restriction, compared to control diet significantly reduced BW (p=0.004, p=0.036, p<0.001, p=0.008) and LW (p<0.001) in all study groups. Postnatal control diet significantly increased BW in non-FGR compared to FGR rats (p=0.027). No significant differences were detected in biochemical parameters (excluding NEFA) between FGR and non-FGR, regardless of the postnatal diet. CONCLUSIONS Interaction between prenatal and postnatal nutrition produces distinct metabolic profiles. Apart from BiW, prenatal diet had an important impact on the metabolic profile of the adult offspring, implying that intrauterine events should be considered in the estimation of the metabolic risk of an individual, independently of BiW.
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Affiliation(s)
- Makarios Eleftheriades
- Embryocare, Fetal Medicine Unit, First Department of Pediatrics, Athens University Medical School, Aghia Sophia Children's Hospital; Athens, Greece
| | - Panagiota Pervanidou
- Childhood Obesity Clinic, First Department of Pediatrics, Athens University Medical School, Aghia Sophia Children's Hospital; Athens, Greece
| | - Homeira Vafaei
- Department of Obstetrics and Gynecology, Faghihi Hospital, Shiraz University of Medical Sciences; Shiraz, Iran
| | - George Vaggos
- Second Department of Obstetrics and Gynecology, Athens University Medical School, Aretaieio Hospital; Athens, Greece
| | - Ismene Dontas
- 5Laboratory for Research of the Musculoskeletal System "Th. Garofalides", School of Medicine, University of Athens; Athens, Greece
| | - Katerina Skenderi
- Laboratory of Nutrition and Clinical Dietetics, Harokopio University; Athens, Greece
| | - Neil J Sebire
- Department of Paediatric Pathology, Great Ormond Street Hospital for Children, and UCL Institute of Child Health, London, UK
| | - Kypros Nicolaides
- 8Harris Birthright Research Centre for Fetal Medicine, King's College Hospital; London, UK
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Rao KR, Padmavathi IJN, Raghunath M. Maternal micronutrient restriction programs the body adiposity, adipocyte function and lipid metabolism in offspring: a review. Rev Endocr Metab Disord 2012; 13:103-8. [PMID: 22430228 DOI: 10.1007/s11154-012-9211-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Fetal growth is a complex process which depends both on the genetic makeup and intrauterine environment. Maternal nutrition during pregnancy is an important determinant of fetal growth. Adequate nutrient supply is required during pregnancy and lactation for the support of fetal/infant growth and development. Macro- and micronutrients are both important to sustain pregnancy and for appropriate growth of the fetus. While macronutrients provide energy and proteins for fetal growth, micronutrients play a major role in the metabolism of macronutrients, structural and cellular metabolism of the fetus. Discrepancies in maternal diet at different stages of foetal growth / offspring development can have pronounced influences on the health and well-being of the offspring. Indeed intrauterine growth restriction induced by nutrient insult can irreversibly modulate the endocrine/metabolic status of the fetus that leads to the development of adiposity and insulin resistance in its later life. Understanding the role of micronutrients during the development of fetus will provide insights into the probable underlying / associated mechanisms in the metabolic pathways of endocrine related complications. Keeping in view the modernized lifestyle and food habits that lead to the development of adiposity and world burden of obesity, this review focuses mainly on the role of maternal micronutrients in the foetal origins of adiposity.
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Affiliation(s)
- K Rajender Rao
- Division of Endocrinology and Metabolism, National Institute of Nutrition, Jamai Osmania P O, Hyderabad 500 007, India.
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Pervanidou P, Chrousos GP. Metabolic consequences of stress during childhood and adolescence. Metabolism 2012; 61:611-9. [PMID: 22146091 DOI: 10.1016/j.metabol.2011.10.005] [Citation(s) in RCA: 199] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Revised: 10/08/2011] [Accepted: 10/10/2011] [Indexed: 12/12/2022]
Abstract
Stress, that is, the state of threatened or perceived as threatened homeostasis, is associated with activation of the stress system, mainly comprised by the hypothalamic-pituitary-adrenal axis and the arousal/sympathetic nervous systems. The stress system normally functions in a circadian manner and interacts with other systems to regulate a variety of behavioral, endocrine, metabolic, immune, and cardiovascular functions. However, the experience of acute intense physical or emotional stress, as well as of chronic stress, may lead to the development of or may exacerbate several psychologic and somatic conditions, including anxiety disorders, depression, obesity, and the metabolic syndrome. In chronically stressed individuals, both behavioral and neuroendocrine mechanisms promote obesity and metabolic abnormalities: unhealthy lifestyles in conjunction with dysregulation of the stress system and increased secretion of cortisol, catecholamines, and interleukin-6, with concurrently elevated insulin concentrations, lead to development of central obesity, insulin resistance, and the metabolic syndrome. Fetal life, childhood, and adolescence are particularly vulnerable periods of life to the effects of intense acute or chronic stress. Similarly, these life stages are crucial for the later development of behavioral, metabolic, and immune abnormalities. Developing brain structures and functions related to stress regulation, such as the amygdala, the hippocampus, and the mesocorticolimbic system, are more vulnerable to the effects of stress compared with mature structures in adults. Moreover, chronic alterations in cortisol secretion in children may affect the timing of puberty, final stature, and body composition, as well as cause early-onset obesity, metabolic syndrome, and type 2 diabetes mellitus. The understanding of stress mechanisms leading to metabolic abnormalities in early life may lead to more effective prevention and intervention strategies of obesity-related health problems.
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Affiliation(s)
- Panagiota Pervanidou
- First Department of Pediatrics, Athens University Medical School, Aghia Sophia Children's Hospital, 11527 Athens, Greece.
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Bazer FW, Spencer TE, Thatcher WW. Growth and development of the ovine conceptus1. J Anim Sci 2012; 90:159-70. [DOI: 10.2527/jas.2011-4180] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- F. W. Bazer
- Department of Animal Science and Center for Animal Biotechnology and Genomics, Texas A&M University, College Station 77843-2471
| | - T. E. Spencer
- Department of Animal Science and Center for Animal Biotechnology and Genomics, Texas A&M University, College Station 77843-2471
| | - W. W. Thatcher
- Department of Animal Sciences, University of Florida, Gainesville 32611-0991
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Xu D, Chen M, Pan XL, Xia LP, Wang H. Dexamethasone induces fetal developmental toxicity through affecting the placental glucocorticoid barrier and depressing fetal adrenal function. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2011; 32:356-63. [PMID: 22004954 DOI: 10.1016/j.etap.2011.08.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2011] [Revised: 06/19/2011] [Accepted: 08/02/2011] [Indexed: 05/07/2023]
Abstract
This study evaluates the neuroendocrine-interference mechanism underlying dexamethasone-induced developmental toxicity. Pregnant mice were treated with various doses of dexamethasone (0, 0.5, 2.0 and 8.0mg/kg), corticosterone levels in maternal serum, mRNA expressions of maternal and fetal adrenal steroidogenic acute regulatory protein (StAR), cytochrome P450 responsible for cholesterol side chain cleavage (P450scc) and placental 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD-2) were measured. And the expressions of StAR and P450scc were also measured in cultured primary human fetal adrenocortical cells treated with various concentrations of dexamethasone (0, 1, 10 and 100 μmol/L) for 24h. Mice suffered from intrauterine growth retardation (IUGR) after exposure to dexamethasone. The IUGR rate was augmented to 42.9% and 95.7% in 2.0 and 8.0mg/kg dexamethasone groups, respectively (P<0.01). The level of maternal serum corticosterone in three dexamethasone groups were decreased to 31.8%, 34.8% and 32.9%, respectively (P<0.05 or P<0.01), as compared with the control. Furthermore, the mRNA expressions of maternal and fetal adrenal StAR and P450scc in 8.0mg/kg dexamethasone groups were decreased to 19.3% and 10.8%, 11.0% and 9.9% of that in the corresponding controls, respectively (P<0.05). The mRNA expressions of placental 11β-HSD-2 were dose-dependently reduced in dexamethasone groups, particularly, the mRNA decreased to 22.2% in 8.0mg/kg dexamethasone group, as compared with the control (P=0.15). No obvious changes of StAR and P450scc in vitro after dexamethasone treatment. These suggest that prenatal dexamethasone exposure induces fetal developmental toxicity. A possible underlying mechanism is that dexamethasone may affect the placental glucocorticoid barrier and depressing fetal adrenal function.
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Affiliation(s)
- Dan Xu
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071 China
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Are major depression and generalized anxiety disorder associated with intrauterine growth restriction in pregnant women? A case-control study. Gen Hosp Psychiatry 2011; 33:640.e7-9. [PMID: 21749842 DOI: 10.1016/j.genhosppsych.2011.05.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 05/04/2011] [Accepted: 05/05/2011] [Indexed: 11/21/2022]
Abstract
OBJECTIVE This study examined the prevalence of major depression and generalized anxiety disorder in pregnant women with and without a diagnosis of intrauterine growth restriction (IUGR). METHOD The study sample included 56 pregnant women with a diagnosis of IUGR and 92 control subjects. IUGR was determined by means of ultrasound assessment and was defined as estimated fetal weight, by ultrasound scan, which falls below the 10th percentile for the gestational age. Psychiatric evaluations were performed with depression and anxiety symptom scales and with structured clinical interviews. RESULTS Pregnant women with IUGR had higher scores of depressive and anxiety symptom scores and had a higher prevalence rate of major depression and generalized anxiety disorder. CONCLUSIONS According to the results of the present study, both major depression and generalized anxiety disorder appear to be associated with IUGR in pregnant women.
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Novitskaya T, Baserga M, de Caestecker MP. Organ-specific defects in insulin-like growth factor and insulin receptor signaling in late gestational asymmetric intrauterine growth restriction in Cited1 mutant mice. Endocrinology 2011; 152:2503-16. [PMID: 21486933 PMCID: PMC3100618 DOI: 10.1210/en.2010-1385] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Late gestational placental insufficiency resulting in asymmetric intrauterine organ growth restriction (IUGR) is associated with an increased incidence of diabetes, cardiovascular and renal disease in adults. The molecular mechanisms mediating these defects are poorly understood. To explore this, we investigated the mechanisms leading to IUGR in Cited1 knockout mice, a genetic model of late gestational placental insufficiency. We show that loss of placental Cited1 leads to asymmetric IUGR with decreased liver, lung, and kidney sizes and preservation of fetal brain weight. IGF and insulin signaling regulate embryonic organ growth. IGF-I and IGF-II protein and mRNA expression are reduced in livers, lungs, and kidneys of embryonic d 18.5 embryos with IUGR. Decreased IGF-I is associated with reduced activating phosphorylation of the type 1 IGF receptor (pIGF-IR) in the kidney, whereas reduced IGF-II is associated with decreased phosphorylation of the insulin receptor (pIR) in the lung. In contrast, decreased pIR is associated with reduced IGF-I but not IGF-II in the liver. However, pancreatic β-cell mass and serum insulin levels are also decreased in mice with IUGR, suggesting that hepatic IR signaling may be regulated by alterations in fetal insulin production. These findings contrast with observations in IUGR fetal brains in which there is no change in IGF-IR/IR phosphorylation, and IGF-I and IGF-II expression is actually increased. In conclusion, IUGR disrupts normal fetal IGF and insulin production and is associated with organ-specific defects in IGF-IR and IR signaling that may regulate asymmetric IUGR in late gestational placental insufficiency.
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Affiliation(s)
- Tatiana Novitskaya
- Division of Nephrology, Department of Medicine, Vanderbilt University, Nashville, Tennessee 37232, USA
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Manuel-Apolinar L, Zarate A, Rocha L, Hernández M. Fetal malnutrition affects hypothalamic leptin receptor expression after birth in male mice. Arch Med Res 2010; 41:240-5. [PMID: 20637365 DOI: 10.1016/j.arcmed.2010.06.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2010] [Accepted: 06/09/2010] [Indexed: 12/26/2022]
Abstract
BACKGROUND AND AIMS Epidemiological associations between an adverse intrauterine environment and the induction of obesity in adult life led to the concept of fetal programming whereby an unfavorable prenatal environment induces adaptations that improve fetal survival or prepare the fetus in expectation of a particular range of postnatal environments. However, these adaptations (predictive adaptive responses) may later prove to be a disadvantage when the pre- and postnatal environments show discrepancies. We investigated the effect of maternal restricted diet on body weight and expression of hypothalamic Ob-Rb of the offspring. METHODS Balb C mice were mated after pregnancy and were randomly assigned to control (C) and undernutrition group (UN) groups. Control group was allowed food ad libitum and UN group had a 50% restriction of food intake during gestation. In the present study we assessed changes in hypothalamic Ob-Rb mRNA by RT-PCR in offspring from C and UN groups. RESULTS The offspring of UN at birth showed 17% less body weight compared with C, but at 90 days the UN had a greater body weight than C (p<0.01). The UN group also presented an increase in the expression of Ob-Rb at 90 postnatal days (p<0.01). CONCLUSIONS The results suggest that maternal caloric restriction programs a greater expression of Ob-Rb in the hypothalamus in offspring, as well as a body weight gain that persists into adulthood. In addition, changes in Ob-Rb expression suggest that Ob-Rb mRNA in the hypothalamus is sensitive to fetal undernutrition.
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Affiliation(s)
- Leticia Manuel-Apolinar
- Endocrine Research Unit, Centro Medico Nacional, Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico.
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Penatti EM, Barina AE, Raju S, Li A, Kinney HC, Commons KG, Nattie EE. Maternal dietary tryptophan deficiency alters cardiorespiratory control in rat pups. J Appl Physiol (1985) 2010; 110:318-28. [PMID: 20966190 DOI: 10.1152/japplphysiol.00788.2010] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Malnutrition during pregnancy adversely affects postnatal forebrain development; its effect upon brain stem development is less certain. To evaluate the role of tryptophan [critical for serotonin (5-HT) synthesis] on brain stem 5-HT and the development of cardiorespiratory function, we fed dams a diet ∼45% deficient in tryptophan during gestation and early postnatal life and studied cardiorespiratory variables in the developing pups. Deficient pups were of normal weight at postnatal day (P)5 but weighed less than control pups at P15 and P25 (P < 0.001) and had lower body temperatures at P15 (P < 0.001) and P25 (P < 0.05; females only). Oxygen consumption (Vo(2)) was unaffected. At P15, deficient pups had an altered breathing pattern and slower heart rates. At P25, they had significantly lower ventilation (Ve) and Ve-to-Vo(2) ratios in both air and 7% CO(2). The ventilatory response to CO(2) (% increase in Ve/Vo(2)) was significantly increased at P5 (males) and reduced at P15 and P25 (males and females). Deficient pups had 41-56% less medullary 5-HT (P < 0.01) compared with control pups, without a difference in 5-HT neuronal number. These data indicate important interactions between nutrition, brain stem physiology, and age that are potentially relevant to understanding 5-HT deficiency in the sudden infant death syndrome.
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Affiliation(s)
- Eliana M Penatti
- Dartmouth Medical School, Dept. of Physiology, Borwell Bldg., 1 Medical Center Dr. HB7700, Lebanon, NH 03756, USA
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Effects of assisted reproduction technology on placental imprinted gene expression. Obstet Gynecol Int 2010; 2010. [PMID: 20706653 PMCID: PMC2913850 DOI: 10.1155/2010/437528] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2009] [Accepted: 06/16/2010] [Indexed: 01/28/2023] Open
Abstract
We used placental tissue to compare the imprinted gene expression of IGF2, H19, KCNQ1OT1, and CDKN1C of singletons conceived via assisted reproduction technology (ART) with that of spontaneously conceived (SC) singletons. Of 989 singletons examined (ART n = 65; SC n = 924), neonatal weight was significantly lower (P < .001) in the ART group than in the SC group, but placental weight showed no significant difference. Gene expression analyzed by real-time PCR was similar for both groups with appropriate-for-date (AFD) birth weight. H19 expression was suppressed in fetal growth retardation (FGR) cases in the ART and SC groups compared with AFD cases (P < .02 and P < .05, resp.). In contrast, CDKN1C expression was suppressed in FGR cases in the ART group (P < .01), while KCNQ1OT1 expression was hyperexpressed in FGR cases in the SC group (P < .05). As imprinted gene expression patterns differed between the ART and SC groups, we speculate that ART modifies epigenetic status even though the possibilities always exist.
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Liang G, Chen M, Pan XL, Zheng J, Wang H. Ethanol-induced inhibition of fetal hypothalamic-pituitary-adrenal axis due to prenatal overexposure to maternal glucocorticoid in mice. ACTA ACUST UNITED AC 2010; 63:607-11. [PMID: 20627497 DOI: 10.1016/j.etp.2010.04.015] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2010] [Revised: 04/20/2010] [Accepted: 04/27/2010] [Indexed: 11/18/2022]
Abstract
Prenatal ethanol exposure has been well documented to be one of the etiological factors responsible for intrauterine growth retardation (IUGR). Previous studies have shown that chronic ethanol exposure during pregnancy elevated the basic level of corticosterone in fetus. However, the potential mechanisms behind them are still unclear. The aim of the present study was to investigate the effects of prenatal ethanol exposure on maternal and fetal hypothalamic-pituitary-adrenal (HPA) axis as well as placental 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD-2), and to clarify the mechanism of ethanol-induced IUGR. Pregnant mice were intragastricly administrated with ethanol at a dose of 6.4 g kg(-1) d(-1) from day 11 to 17 of gestation and parameters representing fetal growth and development were recorded either. The level of corticosterone in maternal serum was determined by ELISA kit. The mRNA expressions of steroidogenic acute regulatory protein (StAR) and cytochrome P450 cholesterol side chain cleavage (P450scc) both in maternal and fetal adrenal, and placental 11β-HSD-2 were detected by real-time quantitative PCR, respectively. The results showed that fetal body weight significantly decreased, and the incidence of IUGR was obviously increased after prenatal ethanol exposure. Maternal serum corticosterone level was elevated, and the expressions of StAR and P450scc were increased in maternal adrenal while decreased in fetal adrenal. The expression of placental 11β-HSD-2 was significantly reduced. These results suggest that prenatal ethanol exposure induces an inhibition of fetal HPA axis activity and IUGR occurs. The mechanism may be associated with ethanol-induced maternal HPA axis activation and high glucocorticoid condition, which impair the placental barrier, and lead to an overexposure of elevated maternal glucocorticoid to fetus, and eventually result in the inhibition of the fetal HPA axis.
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Affiliation(s)
- Gai Liang
- Pharmacology Department of Basic Medical College, Wuhan University, Wuhan 430071, China
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Venkatasubramanian G, Chittiprol S, Neelakantachar N, Shetty T, Gangadhar BN. Effect of antipsychotic treatment on Insulin-like Growth Factor-1 and cortisol in schizophrenia: a longitudinal study. Schizophr Res 2010; 119:131-7. [PMID: 20226630 DOI: 10.1016/j.schres.2010.01.033] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2009] [Revised: 01/27/2010] [Accepted: 01/28/2010] [Indexed: 02/06/2023]
Abstract
Neurodevelopmental pathogenesis of schizophrenia might be mediated by abnormalities in Insulin-like Growth Factor-1 (IGF-1). Developmental disturbances like obstetric complications, by themselves, as well as through the resultant hypercortisolemia due to hypothalamic-pituitary-adrenal (HPA) axis hyperactivity, can lead to deficient IGF-1 level. The relevance of IGF-1-Cortisol interactions in schizophrenia, especially in the context of antipsychotic treatment, is yet to be explored. In this study, thirty-three antipsychotic-naïve schizophrenia patients (13-men) were examined for serum IGF-1 and cortisol levels at baseline and after 3months of antipsychotic treatment. For baseline analyses, the patients were compared with 33 healthy controls matched for age, sex, socio-economic status, and physical activity. Symptoms were assessed using Scale for Assessment of Positive Symptoms (SAPS) and Scale for Assessment of Negative Symptoms (SANS). At baseline, schizophrenia patients had significantly lower levels of IGF-1 [t=4.6; p<0.0001] and higher levels of cortisol [t=3.9; p=0.0002] in comparison with healthy controls. Following treatment, IGF-1 level increased significantly [t=4.5; p<0.0001] whereas cortisol decreased significantly [t=2.5; p=0.02] in patients. There was a significant positive correlation between magnitude of increase in IGF-1 level and the magnitude of reduction in cortisol level [r=0.52; p=0.002]. Also, the greater the increase in IGF-1 the greater was the reduction in SAPS score [r=0.39; p=0.02]. Our study findings demonstrate that antipsychotic treatment can result in significant elevation of serum IGF-1 possibly mediated by reduction in cortisol levels. These observations suggest a possible link between HPA axis abnormalities and IGF-1 deficits in the neurodevelopmental pathogenesis of schizophrenia.
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Affiliation(s)
- Ganesan Venkatasubramanian
- Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore 560029, India.
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Dammann O, Shah B, Naples M, Bednarek F, Zupancic J, Allred EN, Leviton A. Interinstitutional variation in prediction of death by SNAP-II and SNAPPE-II among extremely preterm infants. Pediatrics 2009; 124:e1001-6. [PMID: 19858146 PMCID: PMC2804970 DOI: 10.1542/peds.2008-3233] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Illness severity scores predict death among infants admitted to NICUs. We know of no study limited to a population defined by an extremely low gestational age. METHODS A total of 1467 infants born before the 28th postmenstrual week at 14 institutions were given Score for Neonatal Acute Physiology II (SNAP-II) and Score for Neonatal Acute Physiology Perinatal Extension II (SNAPPE-II) values based on data collected within the first 12 postnatal hours. All deaths in the intensive care nursery were identified. RESULTS The rate of death before postnatal day 28 was 13% (interinstitutional range: 7%-20%), whereas the overall mortality rate was 18% (8%-31%). SNAP-II values, SNAPPE-II values, and mortality rates tended to decrease with increasing gestational age. Even within gestational age strata, however, the risk of death decreased with decreasing SNAP-II and SNAPPE-II values. The positive predictive values of most SNAP-II and SNAPPE-II cutoff levels were close to 30%. In general, institutions' mortality rates increased with the proportions of infants whose SNAP-II values were >/=30. CONCLUSION The physiologic instability in the first 12 postnatal hours that is identified by illness severity scores conveys information about the risk of death among infants at the lowest gestational ages.
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Affiliation(s)
- Olaf Dammann
- Division of Newborn Medicine, Floating Hospital for Children at Tufts Medical Center, Boston, Massachusetts 02111, USA.
| | - Bhavesh Shah
- Div. of Neonatology, Baystate Med Center, Springfield MA
| | - Mary Naples
- Div. of Neonatology, U Mass Memorial Health Care, Worcester MA
| | | | - John Zupancic
- Beth Israel Deaconess Medical Center, Boston MA,Harvard Medical School, Boston MA
| | - Elizabeth N. Allred
- Neuroepidemiology Unit, Children’s Hospital, Boston MA,Harvard Medical School, Boston MA,Harvard School of Public Health, Boston MA
| | - Alan Leviton
- Neuroepidemiology Unit, Children’s Hospital, Boston MA,Harvard Medical School, Boston MA
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Sparrow DB, Boyle SC, Sams RS, Mazuruk B, Zhang L, Moeckel GW, Dunwoodie SL, de Caestecker MP. Placental insufficiency associated with loss of Cited1 causes renal medullary dysplasia. J Am Soc Nephrol 2009; 20:777-86. [PMID: 19297558 DOI: 10.1681/asn.2008050547] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
A number of studies have shown that placental insufficiency affects embryonic patterning of the kidney and leads to a decreased number of functioning nephrons in adulthood; however, there is circumstantial evidence that placental insufficiency may also affect renal medullary growth, which could account for cases of unexplained renal medullary dysplasia and for abnormalities in renal function among infants who had experienced intrauterine growth retardation. We observed that mice with late gestational placental insufficiency associated with genetic loss of Cited1 expression in the placenta had renal medullary dysplasia. This was not caused by lower urinary tract obstruction or by defects in branching of the ureteric bud during early nephrogenesis but was associated with decreased tissue oxygenation and increased apoptosis in the expanding renal medulla. Loss of placental Cited1 was required for Cited1 mutants to develop renal dysplasia, and this was not dependent on alterations in embryonic Cited1 expression. Taken together, these findings suggest that renal medullary dysplasia in Cited1 mutant mice is a direct consequence of decreased tissue oxygenation resulting from placental insufficiency.
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Affiliation(s)
- Duncan B Sparrow
- Developmental Biology Division, Victor Chang Cardiac Research Institute, University of New South Wales, Sydney, Australia
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Huang P, Gou W, Jiang M, Zhang R, Sun Y. Impairments of spatial learning and memory in rat offspring with fetal growth restriction. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s1007-4376(09)60027-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Diego MA, Field T, Hernandez-Reif M, Schanberg S, Kuhn C, Gonzalez-Quintero VH. Prenatal depression restricts fetal growth. Early Hum Dev 2009; 85:65-70. [PMID: 18723301 PMCID: PMC2651570 DOI: 10.1016/j.earlhumdev.2008.07.002] [Citation(s) in RCA: 163] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2008] [Revised: 07/02/2008] [Accepted: 07/03/2008] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To identify whether prenatal depression is a risk factor for fetal growth restriction. METHODS Midgestation (18-20 weeks GA) estimated fetal weight and urine cortisol and birthweight and gestational age at birth data were collected on a sample of 40 depressed and 40 non-depressed women. Estimated fetal weight and birthweight data were then used to compute fetal growth rates. RESULTS Depressed women had a 13% greater incidence of premature delivery (Odds ratio (OR)=2.61) and 15% greater incidence of low birthweight (OR=4.75) than non-depressed women. Depressed women also had elevated prenatal cortisol levels (p=.006) and fetuses who were smaller (p=.001) and who showed slower fetal growth rates (p=.011) and lower birthweights (p=.008). Mediation analyses further revealed that prenatal maternal cortisol levels were a potential mediator for the relationship between maternal symptoms of depression and both gestational age at birth and the rate of fetal growth. After controlling for maternal demographic variables, prenatal maternal cortisol levels were associated with 30% of the variance in gestational age at birth and 14% of the variance in the rate of fetal growth. CONCLUSION Prenatal depression was associated with adverse perinatal outcomes, including premature delivery and slower fetal growth rates. Prenatal maternal cortisol levels appear to play a role in mediating these outcomes.
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Affiliation(s)
- Miguel A Diego
- Touch Research Institutes, Department of Pediatrics, University of Miami School of Medicine, Miami, FL 33101, USA.
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Gueorguieva R, Morse SB, Roth J. Length of prenatal participation in WIC and risk of delivering a small for gestational age infant: Florida, 1996-2004. Matern Child Health J 2008; 13:479-88. [PMID: 18661219 DOI: 10.1007/s10995-008-0391-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2008] [Accepted: 07/15/2008] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To assess the association between length of prenatal participation in WIC and a marker of infant morbidity. By focusing on small for gestational age, we consider one of the possible pathways through which prenatal nutrition affects fetal growth. DESIGN/METHODS The study sample consists of 369,535 matched mother-infant pairs drawn from all singleton live births in Florida hospitals from 1996 to 2004. All subjects received WIC and Medicaid-funded prenatal services during pregnancy. We controlled for selection bias on observed variables using a generalized propensity scoring approach and performed separate analyses by gestational age category to control for simultaneity bias. RESULTS Ten percent increase in the percent of time in WIC was associated with 2.5% decrease (95% CI: 2.1-3.0%) in the risk of a full-term an SGA infant. The risk was also significantly decreased for very preterm and late preterm infants (29-33 and 34-36 weeks gestation) but not for extremely preterm infants (23-28 weeks gestation). CONCLUSIONS The observed small negative dose response relationship between percent of pregnancy spent in WIC and fetal growth restriction implies that longer participation in the program confers a small measure of protection against delivering an SGA infant.
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Affiliation(s)
- Ralitza Gueorguieva
- Division of Biostatistics, Department of Epidemiology and Public Health, Yale University, 60 College St, Room 201, New Haven, CT 06520-8034, USA.
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Masi CM, Hawkley LC, Piotrowski ZH, Pickett KE. Neighborhood economic disadvantage, violent crime, group density, and pregnancy outcomes in a diverse, urban population. Soc Sci Med 2007; 65:2440-57. [PMID: 17765371 DOI: 10.1016/j.socscimed.2007.07.014] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2006] [Indexed: 11/18/2022]
Abstract
Prior research has established associations between pregnancy outcomes and specific neighborhood characteristics, including economic disadvantage, violent crime, and racial/ethnic segregation. Recently, associations have also been found between various health outcomes and group density, the degree to which an individual is a racial or ethnic majority in his or her local community. The objective of this study was to determine the extent to which census tract economic disadvantage, violent crime rate, and group density are associated with pregnancy outcomes among White, Black, and Hispanic infants in a large metropolitan setting. This cross-sectional study utilized 1990 census data, 1991 crime data, and 1991 birth certificate information for singleton live births in Chicago, Illinois. Results show substantial racial segregation in Chicago, with 35% of census tracts having more than 90% Black residents and 45% of census tracts having fewer than 10% Black residents. After stratifying by maternal race/ethnicity, we used multilevel analyses to model pregnancy outcomes as a function of individual and census tract characteristics. Among all racial/ethnic groups, violent crime rate accounted for most of the negative association between tract economic disadvantage and birth weight. Group density was also associated with birth weight but this association was stronger among Whites and Hispanics than among Blacks. Further analysis revealed that group density was more strongly associated with preterm birth while violent crime rate was more strongly associated with small for gestational age. These results suggest that group density and violent crime may impact birth weight via different mechanisms.
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Affiliation(s)
- Christopher M Masi
- University of Chicago, 5841 South Maryland Avenue, Chicago, IL 60637, USA.
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