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Dai Y, Peng Y, Lu Z, Mao T, Chen K, Lu X, Liu K, Zhou X, Hu W, Wang H. Prenatal prednisone exposure impacts liver development and function in fetal mice and its characteristics. Toxicol Sci 2024; 199:63-80. [PMID: 38439560 DOI: 10.1093/toxsci/kfae027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024] Open
Abstract
Prednisone, a widely used glucocorticoid drug in human and veterinary medicine, has been reported to cause developmental toxicity. However, systematic studies about the effect of prednisone on fetal liver development are still unclear. We investigated the potential effects of maternal exposure to clinically equivalent doses of prednisone during different gestational stages on cell proliferation and apoptosis, cell differentiation, glucose and lipid metabolism, and hematopoiesis in the liver of fetal mice, and explored the potential mechanisms. Results showed that prenatal prednisone exposure (PPE) could suppress cell proliferation, inhibit hepatocyte differentiation, and promote cholangiocyte differentiation in the fetal liver. Meanwhile, PPE could result in the enhancement of glyconeogenesis and bile acid synthesis and the inhibition of fatty acid β-oxidation and hematopoiesis in the fetal liver. Further analysis found that PPE-induced alterations in liver development had obvious stage and sex differences. Overall, the alteration in fetal liver development and function induced by PPE was most pronounced during the whole pregnancy (GD0-18), and the males were relatively more affected than the females. Additionally, fetal hepatic insulin-like growth factor 1 (IGF1) signaling pathway was inhibited by PPE. In conclusion, PPE could impact fetal liver development and multiple functions, and these alterations might be partially related to the inhibition of IGF1 signaling pathway.
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Affiliation(s)
- Yongguo Dai
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Yu Peng
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Zhengjie Lu
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province 430071, China
| | - Tongyun Mao
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Kaiqi Chen
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Xiaoqian Lu
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Kexin Liu
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Xinli Zhou
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Wen Hu
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
| | - Hui Wang
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan University School of Basic Medical Sciences, Wuhan, Hubei Province 430071, China
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2
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Dai Y, Peng Y, Hu W, Liu Y, Wang H. Prenatal amoxicillin exposure induces developmental toxicity in fetal mice and its characteristics. J Environ Sci (China) 2024; 137:287-301. [PMID: 37980015 DOI: 10.1016/j.jes.2023.02.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 02/13/2023] [Accepted: 02/13/2023] [Indexed: 11/20/2023]
Abstract
Amoxicillin, a widely used antibiotic in human and veterinary pharmaceuticals, is now considered as an "emerging contaminant" because it exists widespreadly in the environment and brings a series of adverse outcomes. Currently, systematic studies about the developmental toxicity of amoxicillin are still lacking. We explored the potential effects of amoxicillin exposure on pregnancy outcomes, maternal/fetal serum phenotypes, and fetal multiple organ development in mice, at different doses (75, 150, 300 mg/(kg·day)) during late-pregnancy, or at a dose of 300 mg/(kg·day) during different stages (mid-/late-pregnancy) and courses (single-/multi-course). Results showed that prenatal amoxicillin exposure (PAmE) had no significant influence on the body weights of dams, but it could inhibit the physical development and reduce the survival rate of fetuses, especially during the mid-pregnancy. Meanwhile, PAmE altered multiple maternal/fetal serum phenotypes, especially in fetuses. Fetal multi-organ function results showed that PAmE inhibited testicular/adrenal steroid synthesis, long bone/cartilage and hippocampal development, and enhanced ovarian steroid synthesis and hepatic glycogenesis/lipogenesis, and the order of severity might be gonad (testis, ovary) > liver > others. Further analysis found that PAmE-induced multi-organ developmental and functional alterations had differences in stages, courses and fetal gender, and the most obvious changes might be in high-dose, late-pregnancy and multi-course, but there was no typical rule of a dose-response relationship. In conclusion, this study confirmed that PAmE could cause abnormal development and multi-organ function alterations, which deepens our understanding of the risk of PAmE and provides an experimental basis for further exploration of the long-term harm.
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Affiliation(s)
- Yongguo Dai
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China
| | - Yu Peng
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China
| | - Wen Hu
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, 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
| | - 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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Davies KL, Miles J, Camm EJ, Smith DJ, Barker P, Taylor K, Forhead AJ, Fowden AL. Prenatal cortisol exposure impairs adrenal function but not glucose metabolism in adult sheep. J Endocrinol 2024; 260:e230326. [PMID: 38109257 PMCID: PMC10895281 DOI: 10.1530/joe-23-0326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 12/18/2023] [Indexed: 12/20/2023]
Abstract
Adverse environmental conditions before birth are known to programme adult metabolic and endocrine phenotypes in several species. However, whether increments in fetal cortisol concentrations of the magnitude commonly seen in these conditions can cause developmental programming remains unknown. Thus, this study investigated the outcome of physiological increases in fetal cortisol concentrations on glucose-insulin dynamics and pituitary-adrenal function in adult sheep. Compared with saline treatment, intravenous fetal cortisol infusion for 5 days in late gestation did not affect birthweight but increased lamb body weight at 1-2 weeks after birth. Adult glucose dynamics, insulin sensitivity and insulin secretion were unaffected by prenatal cortisol overexposure, assessed by glucose tolerance tests, hyperinsulinaemic-euglycaemic clamps and acute insulin administration. In contrast, prenatal cortisol infusion induced adrenal hypo-responsiveness in adulthood with significantly reduced cortisol responses to insulin-induced hypoglycaemia and exogenous adrenocorticotropic hormone (ACTH) administration relative to saline treatment. The area of adrenal cortex expressed as a percentage of the total cross-sectional area of the adult adrenal gland was also lower after prenatal cortisol than saline infusion. In adulthood, basal circulating ACTH but not cortisol concentrations were significantly higher in the cortisol than saline-treated group. The results show that cortisol overexposure before birth programmes pituitary-adrenal development with consequences for adult stress responses. Physiological variations in cortisol concentrations before birth may, therefore, have an important role in determining adult phenotypical diversity and adaptability to environmental challenges.
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Affiliation(s)
- K L Davies
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, UK
| | - J Miles
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, UK
| | - E J Camm
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, UK
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Australia
| | - D J Smith
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, UK
| | - P Barker
- MRC Metabolic Diseases Unit, Mouse Biochemistry Laboratory, Cambridge Biomedical Campus, Cambridge, UK
| | - K Taylor
- Endocrine Laboratory, Blood Sciences, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge, UK
| | - A J Forhead
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, UK
- Department of Biological and Medical Sciences, Oxford Brookes University, Oxford, UK
| | - A L Fowden
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, UK
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Nemec-Bakk AS, Bel J, Niccoli S, Boreham DR, Tai TC, Lees SJ, Khaper N. Effects of prenatal dexamethasone exposure on adult C57BL/6J mouse metabolism and oxidative stress. Can J Physiol Pharmacol 2024; 102:180-195. [PMID: 38329060 DOI: 10.1139/cjpp-2023-0254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Prenatal glucocorticoid exposure has been shown to alter hypothalamic-pituitary-adrenal axis function resulting in altered fetal development that can persist through adulthood. Fetal exposure to excess dexamethasone, a synthetic glucocorticoid, has been shown to alter adult behaviour and metabolism. This study investigated the effects prenatal dexamethasone exposure had on adult offspring cardiac and liver metabolism and oxidative stress. Pregnant C57BL/6 mice received a dose of 0.4 mg/kg dexamethasone on gestational days 15-17. Once pups were approximately 7 months old, glucose uptake was determined using positron emission tomography and insulin resistance (IR) was determined by homeostatic model assessment (HOMA) IR calculation. Oxidative stress was assessed by measuring 4-hydroxynonenal protein adduct formation and total reactive oxygen species. Female dexamethasone group had significantly increased glucose uptake when insulin stimulated compared to vehicle-treated mice. HOMA IR revealed no evidence of IR in either male or female offspring. There was also no change in oxidative stress markers in either cardiac or liver tissues of male or female offspring. These data suggest that prenatal dexamethasone exposure in male mice does not alter oxidative stress or metabolism. However, prenatal dexamethasone exposure increased glucocorticoids, cardiac glucose uptake, and pAkt signaling in female heart tissues in adult mice, suggesting there are sex differences in prenatal dexamethasone exposure.
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Affiliation(s)
- A S Nemec-Bakk
- Department of Science and Environmental studies, Lakehead University, Thunder Bay, ON P7B 5E1, Canada
| | - J Bel
- Department of Science and Environmental studies, Lakehead University, Thunder Bay, ON P7B 5E1, Canada
| | - S Niccoli
- Medical Science Division, NOSM University, Thunder Bay, ON P7B 5E1, Canada
| | - D R Boreham
- Medical Science Division, NOSM University, Sudbury, ON P3E 2C6, Canada
- Biomolecular Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada
| | - T C Tai
- Medical Science Division, NOSM University, Sudbury, ON P3E 2C6, Canada
- Biomolecular Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada
| | - S J Lees
- Medical Science Division, NOSM University, Thunder Bay, ON P7B 5E1, Canada
- Department of Biology, Lakehead University, Thunder Bay, ON P7B 5E1, Canada
| | - N Khaper
- Medical Science Division, NOSM University, Thunder Bay, ON P7B 5E1, Canada
- Biomolecular Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada
- Department of Biology, Lakehead University, Thunder Bay, ON P7B 5E1, Canada
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5
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Tain YL, Hsu CN. Nutritional Approaches Targeting Gut Microbiota in Oxidative-Stress-Associated Metabolic Syndrome: Focus on Early Life Programming. Nutrients 2024; 16:683. [PMID: 38474810 DOI: 10.3390/nu16050683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Metabolic syndrome (MetS) denotes a constellation of risk factors associated with the development of cardiovascular disease, with its roots potentially traced back to early life. Given the pivotal role of oxidative stress and dysbiotic gut microbiota in MetS pathogenesis, comprehending their influence on MetS programming is crucial. Targeting these mechanisms during the early stages of life presents a promising avenue for preventing MetS later in life. This article begins by examining detrimental insults during early life that impact fetal programming, ultimately contributing to MetS in adulthood. Following that, we explore the role of oxidative stress and the dysregulation of gut microbiota in the initiation of MetS programming. The review also consolidates existing evidence on how gut-microbiota-targeted interventions can thwart oxidative-stress-associated MetS programming, encompassing approaches such as probiotics, prebiotics, postbiotics, and the modulation of bacterial metabolites. While animal studies demonstrate the favorable effects of gut-microbiota-targeted therapy in mitigating MetS programming, further clinical investigations are imperative to enhance our understanding of manipulating gut microbiota and oxidative stress for the prevention of MetS.
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Affiliation(s)
- You-Lin Tain
- Division of Pediatric Nephrology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Malatiali SA, Kilarkaje N, Al‐Bader M. Maternal dexamethasone exposure does not affect glucose tolerance but alters renal haemodynamics in F 1 rats in a sex-dependent manner. Endocrinol Diabetes Metab 2023; 6:e450. [PMID: 37723884 PMCID: PMC10638624 DOI: 10.1002/edm2.450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/06/2023] [Accepted: 09/02/2023] [Indexed: 09/20/2023] Open
Abstract
INTRODUCTION Prenatal programming with dexamethasone increases the risk of the development of hyperglycaemia and insulin resistance, leading to diabetes in adulthood. Dexamethasone also causes a decline in renal glomerular filtration in the adult offspring. Sodium-glucose cotransporter-2 (SGLT2) plays a significant role in regulating blood glucose and renal haemodynamics in diabetic patients. However, the role of SGLT2 in dexamethasone-induced programming and the putative sex-dependent effects on the changes named earlier is unknown. Therefore, this study aimed to investigate the impact of maternal dexamethasone treatment on glucose tolerance, insulin sensitivity, renal perfusion and renal function in adult male and female offspring and the possible contribution of SGLT2 to these changes. METHODS AND RESULTS Pregnant Sprague Dawley rats (F0 ) were treated with either vehicle or dexamethasone (0.2 mg/kg ip) from gestation Day 15 to 20. F1 males and F1 females were randomly selected from each mother at 4 months of age. There was no change in serum Na+ , Na+ excretion rate, glucose tolerance or insulin sensitivity in F1 male or female rats. However, dexamethasone caused significant glomerular hypertrophy and decreases in CSinistrin and CPAH indicating decreased glomerular filtration rate and renal plasma flow, respectively, in dexamethasone-treated F1 male but not female rats. Dexamethasone did not affect SGLT2 mRNA or protein expression in F1 males or females. CONCLUSION We conclude that dexamethasone-mediated prenatal programming of glomerular volume, renal function and haemodynamics is sex-dependent, occurring only in adult male offspring.
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Affiliation(s)
- Slava A. Malatiali
- Department of Physiology, College of MedicineKuwait UniversitySafatKuwait
| | | | - Maie Al‐Bader
- Department of Physiology, College of MedicineKuwait UniversitySafatKuwait
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Bablok M, Gellisch M, Scharf M, Brand-Saberi B, Morosan-Puopolo G. Spatiotemporal expression pattern of the chicken glucocorticoid receptor during early embryonic development. Ann Anat 2023; 247:152056. [PMID: 36696929 DOI: 10.1016/j.aanat.2023.152056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 01/23/2023]
Abstract
Glucocorticoids - commonly known as stress hormones - belong to the family of steroid hormones and regulate numerous life essential physiological processes. As lipophilic molecules, glucocorticoids are known to cross the placental barrier in mammals, which - applied for therapeutic reasons or arising from environmental influences - illustrates the role of prenatal stress during embryonic developmental processes. The hormones employ their functions by binding to the glucocorticoid receptor (GR) and thus are involved in regulating the transcription of thousands of genes. Therefore, the aim of this study was to investigate the spatiotemporal expression pattern of the GR during early embryonic vertebrate development, using the chicken embryo as a model organism. The results should contribute to enhance and expand the current understanding of glucocorticoid signaling. By performing in-situ hybridization on whole mount chicken embryos from stage HH10 to HH29 and analyzing vibratome sections of hybridized embryos, we described the spatiotemporal expression pattern of the GR during early embryogenesis. Moreover, we compared the expression pattern of the GR with other developmental markers such as Pax7, Desmin, MyoD and HNK-1 using double in-situ hybridization and immunohistochemistry. We were able to determine the first emergence of GR expression in stage HH13 of chicken development in the cranial area, especially in the muscle anlagen of the branchial arches and of non-somitic neck muscles. Furthermore, we monitored the extension of GR expression pattern throughout later stages and found transcripts of GR during somitogenesis, limb development, myogenesis, neurulation and neural differentiation and moreover during organogenesis of the gastrointestinal organs, the heart, the kidneys and the lungs. Toward later stages, GR expression transitioned from more distinct areas of expression to an increasingly ubiquitous expression pattern. Our results support the notion of an enormous relevance of glucocorticoid signaling during vertebrate embryonic development and contribute to a better understanding of the consequences of prenatal stress and the clinical administration of prenatal glucocorticoids.
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Affiliation(s)
- Martin Bablok
- Department of Anatomy and Molecular Embryology, Institute of Anatomy, Medical Faculty, Ruhr University Bochum, Bochum, Germany
| | - Morris Gellisch
- Department of Anatomy and Molecular Embryology, Institute of Anatomy, Medical Faculty, Ruhr University Bochum, Bochum, Germany
| | - Marion Scharf
- Department of Anatomy and Molecular Embryology, Institute of Anatomy, Medical Faculty, Ruhr University Bochum, Bochum, Germany
| | - Beate Brand-Saberi
- Department of Anatomy and Molecular Embryology, Institute of Anatomy, Medical Faculty, Ruhr University Bochum, Bochum, Germany
| | - Gabriela Morosan-Puopolo
- Department of Anatomy and Molecular Embryology, Institute of Anatomy, Medical Faculty, Ruhr University Bochum, Bochum, Germany.
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Circle(s) of Life: The Circadian Clock from Birth to Death. BIOLOGY 2023; 12:biology12030383. [PMID: 36979075 PMCID: PMC10045474 DOI: 10.3390/biology12030383] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/24/2023] [Accepted: 02/27/2023] [Indexed: 03/03/2023]
Abstract
Most lifeforms on earth use endogenous, so-called circadian clocks to adapt to 24-h cycles in environmental demands driven by the planet’s rotation around its axis. Interactions with the environment change over the course of a lifetime, and so does regulation of the circadian clock system. In this review, we summarize how circadian clocks develop in humans and experimental rodents during embryonic development, how they mature after birth and what changes occur during puberty, adolescence and with increasing age. Special emphasis is laid on the circadian regulation of reproductive systems as major organizers of life segments and life span. We discuss differences in sexes and outline potential areas for future research. Finally, potential options for medical applications of lifespan chronobiology are discussed.
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Kondo R, Ozawa R, Satomi T, Funabayashi K, Iwata H, Kuwayama T, Shirasuna K. Severe maternal stress alters placental function, resulting in adipose tissue and liver dysfunction in offspring of mice. Mol Cell Endocrinol 2023; 560:111814. [PMID: 36356688 DOI: 10.1016/j.mce.2022.111814] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/26/2022] [Accepted: 10/30/2022] [Indexed: 11/09/2022]
Abstract
The developmental origins of health and disease (DOHaD) hypothesis is that future lifestyle diseases in offspring are associated with intrauterine origins in the mother; stress during pregnancy is a risk factor for these diseases in offspring. This study aimed to clarify association of maternal stress with placental dysfunction and offspring development in mice. We applied water stress for 24 h during late pregnancy to explore the metabolic response of offspring to a normal diet (ND) and high-fat diet (HFD). Placental functions were altered by maternal stress, reducing the birth weight of the offspring. In the later life of offspring fed with ND, maternal stress impaired systemic glucose tolerance and altered adipokine secretion in adipose tissue and/or liver. The female offspring of stress-induced dams were light in body weight with lower adipose tissue and smaller adipocytes in both the ND and HFD groups. Abnormal situations, such as dysregulation of plasma glucose levels and fatty liver despite and lower increases in body weight, were observed in the female offspring of stress-induced dams, especially in the HFD-treated group. These findings suggest that long-lasting abnormal conditions and responses to metabolic challenges in maternal stress-induced offspring are linked to placental dysregulation and fetal programming.
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Affiliation(s)
- Risa Kondo
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Japan
| | - Ren Ozawa
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Japan
| | - Taiyo Satomi
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Japan
| | - Kaho Funabayashi
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Japan
| | - Hisataka Iwata
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Japan
| | - Takehito Kuwayama
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Japan
| | - Koumei Shirasuna
- Laboratory of Animal Reproduction, Department of Animal Science, Tokyo University of Agriculture, Japan.
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Maternal stress induced endoplasmic reticulum stress and impaired pancreatic islets’ insulin secretion via glucocorticoid receptor upregulation in adult male rat offspring. Sci Rep 2022; 12:12552. [PMID: 35869151 PMCID: PMC9307850 DOI: 10.1038/s41598-022-16621-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 07/12/2022] [Indexed: 11/23/2022] Open
Abstract
Exposure to perinatal (prenatal and/or postnatal) stress is considered as a risk factor for metabolic disorders in later life. Accordingly, this study aimed to investigate the perinatal stress effects on the pancreatic endoplasmic reticulum (ER) stress induction, insulin secretion impairment and WFS1 (wolframin ER transmembrane Glycoprotein, which is involved in ER homeostasis and insulin secretion) expression changes, in rat offspring. According to the dams’ period of exposure to variable stress, their male offspring were divided into, control (CTRL); pre-pregnancy, pregnancy, lactation stress (PPPLS); pre-pregnancy stress (PPS); pregnancy stress (PS); lactation stress (LS); pre-pregnancy, pregnancy stress (PPPS); pregnancy, lactation stress (PLS); pre-pregnancy, lactation stress (PPLS) groups. Offspring pancreases were removed for ER extraction and the assessment of ER stress biomarkers, WFS1 gene DNA methylation, and isolated islets’ insulin secretion. Glucose tolerance was also tested. In the stressed groups, maternal stress significantly increased plasma corticosterone levels. In PPS, PS, and PPPS groups, maternal stress increased Bip (Hsp70; heat shock protein family A member 4), Chop (Ddit3; DNA- damage inducible transcript3), and WFS1 protein levels in pancreatic extracted ER. Moreover, the islets’ insulin secretion and content along with glucose tolerance were impaired in these groups. In PPS, PS, LS and PPPS groups, the pancreatic glucocorticoid receptor (GR) expression increased. Maternal stress did not affect pancreatic WFS1 DNA methylation. Thus, maternal stress, during prenatal period, impaired the islets’ insulin secretion and glucose homeostasis in adult male offspring, possibly through the induction of ER stress and GR expression in the pancreas, in this regard the role of WFS1 protein alteration in pancreatic ER should also be considered.
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11
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Hong JY. Developmental Programming by Perinatal Glucocorticoids. Mol Cells 2022; 45:685-691. [PMID: 36254710 PMCID: PMC9589377 DOI: 10.14348/molcells.2022.0042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/29/2022] [Accepted: 06/15/2022] [Indexed: 11/07/2022] Open
Abstract
Early-life environmental factors can have persistent effects on physiological functions by altering developmental procedures in various organisms. Recent experimental and epidemiological studies now further support the idea that developmental programming is also present in mammals, including humans, influencing long-term health. Although the mechanism of programming is still largely under investigation, the role of endocrine glucocorticoids in developmental programming is gaining interest. Studies found that perinatal glucocorticoids have a persistent effect on multiple functions of the body, including metabolic, behavioral, and immune functions, in adulthood. Several mechanisms have been proposed to play a role in long-term programming. In this review, recent findings on this topic are summarized and the potential biological rationale behind this phenomenon is discussed.
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Affiliation(s)
- Jun Young Hong
- Department of Systems Biology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
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12
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Gregorio T, Lorenzon F, Niebisch F, Stolte RCK, Rafacho A, Dos Santos GJ, Lino de Oliveira C, Lima FB. Antidepressant-like activity of gestational administration of vitamin D is suppressed by prenatal overexposure to dexamethasone in female Wistar rats. Physiol Behav 2022; 249:113765. [PMID: 35227701 DOI: 10.1016/j.physbeh.2022.113765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 01/30/2022] [Accepted: 02/11/2022] [Indexed: 10/19/2022]
Abstract
Overexposure to glucocorticoids during gestation can lead to long-term mental disorders. Given the higher prevalence of depression in females, we investigated whether late gestational administration of dexamethasone could generate a depressive-like phenotype in the adult female offspring and if vitamin D could have a neuroprotective effect in this context. Pregnant rats received vitamin D (VitD, 500 IU/day) or vehicle (CTL) during gestation. Other pregnant rats received dexamethasone (Dex 0.1 mg/kg/ - 14th to the 19th gestational day) or dexamethasone + vitamin D (DexVitD). The offspring were tested for anhedonia (sucrose preference) and depressive-like behavior (forced swimming test) at postnatal months (PNM) 3, 6 and 12. Components of the serotonergic system, as well as glucocorticoids' receptors, were evaluated in the dorsal raphe nucleus at PNM 6 and 12. Prenatal vitamin D and dexamethasone increased sucrose preference at PNM 12. Prenatal vitamin D had an antidepressant-like effect at PNM 3 in rats overexposed to dexamethasone. However, at PNM 12, this effect was blunted in the DexVitD group. Prenatal dexamethasone reduced the protein content of SERT, TPH, and 5-HT1A receptors in the dorsal raphe nucleus at 6 but not at 12 PNM. The glucocorticoids' receptors expression was similar in all groups. We concluded that prenatal overexposure to dexamethasone does not change emotional behaviors in females, but it blunts the antidepressant-like effect of gestational vitamin D in an age-dependent manner. The antidepressant-like activity of vitamin D in the offspring was not related either to alterations of the serotonergic system or the glucocorticoids' receptors expression in the dorsal raphe nucleus.
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Affiliation(s)
- Tamires Gregorio
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus, Florianópolis, SC, Brazil
| | - Flaviano Lorenzon
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus, Florianópolis, SC, Brazil
| | - Fernanda Niebisch
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil
| | - Rafaela Carla Kachel Stolte
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil
| | - Alex Rafacho
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus, Florianópolis, SC, Brazil
| | - Gustavo Jorge Dos Santos
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus, Florianópolis, SC, Brazil
| | - Cilene Lino de Oliveira
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil
| | - Fernanda Barbosa Lima
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus, Florianópolis, SC, Brazil.
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13
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Claahsen - van der Grinten HL, Speiser PW, Ahmed SF, Arlt W, Auchus RJ, Falhammar H, Flück CE, Guasti L, Huebner A, Kortmann BBM, Krone N, Merke DP, Miller WL, Nordenström A, Reisch N, Sandberg DE, Stikkelbroeck NMML, Touraine P, Utari A, Wudy SA, White PC. Congenital Adrenal Hyperplasia-Current Insights in Pathophysiology, Diagnostics, and Management. Endocr Rev 2022; 43:91-159. [PMID: 33961029 PMCID: PMC8755999 DOI: 10.1210/endrev/bnab016] [Citation(s) in RCA: 176] [Impact Index Per Article: 88.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Indexed: 11/19/2022]
Abstract
Congenital adrenal hyperplasia (CAH) is a group of autosomal recessive disorders affecting cortisol biosynthesis. Reduced activity of an enzyme required for cortisol production leads to chronic overstimulation of the adrenal cortex and accumulation of precursors proximal to the blocked enzymatic step. The most common form of CAH is caused by steroid 21-hydroxylase deficiency due to mutations in CYP21A2. Since the last publication summarizing CAH in Endocrine Reviews in 2000, there have been numerous new developments. These include more detailed understanding of steroidogenic pathways, refinements in neonatal screening, improved diagnostic measurements utilizing chromatography and mass spectrometry coupled with steroid profiling, and improved genotyping methods. Clinical trials of alternative medications and modes of delivery have been recently completed or are under way. Genetic and cell-based treatments are being explored. A large body of data concerning long-term outcomes in patients affected by CAH, including psychosexual well-being, has been enhanced by the establishment of disease registries. This review provides the reader with current insights in CAH with special attention to these new developments.
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Affiliation(s)
| | - Phyllis W Speiser
- Cohen Children’s Medical Center of NY, Feinstein Institute, Northwell Health, Zucker School of Medicine, New Hyde Park, NY 11040, USA
| | - S Faisal Ahmed
- Developmental Endocrinology Research Group, School of Medicine Dentistry & Nursing, University of Glasgow, Glasgow, UK
| | - Wiebke Arlt
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Department of Endocrinology, Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Richard J Auchus
- Division of Metabolism, Endocrinology, and Diabetes, Departments of Internal Medicine and Pharmacology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Henrik Falhammar
- Department of Molecular Medicine and Surgery, Karolinska Intitutet, Stockholm, Sweden
- Department of Endocrinology, Karolinska University Hospital, Stockholm, Sweden
| | - Christa E Flück
- Pediatric Endocrinology, Diabetology and Metabolism, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland
| | - Leonardo Guasti
- Centre for Endocrinology, William Harvey Research Institute, Bart’s and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Angela Huebner
- Division of Paediatric Endocrinology and Diabetology, Department of Paediatrics, Universitätsklinikum Dresden, Technische Universität Dresden, Dresden, Germany
| | - Barbara B M Kortmann
- Radboud University Medical Centre, Amalia Childrens Hospital, Department of Pediatric Urology, Nijmegen, The Netherlands
| | - Nils Krone
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
- Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Deborah P Merke
- National Institutes of Health Clinical Center and the Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20892, USA
| | - Walter L Miller
- Department of Pediatrics, Center for Reproductive Sciences, and Institute for Human Genetics, University of California, San Francisco, CA 94143, USA
| | - Anna Nordenström
- Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden
- Pediatric Endocrinology, Karolinska University Hospital, Stockholm, Sweden
| | - Nicole Reisch
- Medizinische Klinik IV, Klinikum der Universität München, Munich, Germany
| | - David E Sandberg
- Department of Pediatrics, Susan B. Meister Child Health Evaluation and Research Center, University of Michigan, Ann Arbor, MI 48109, USA
| | | | - Philippe Touraine
- Department of Endocrinology and Reproductive Medicine, Center for Rare Endocrine Diseases of Growth and Development, Center for Rare Gynecological Diseases, Hôpital Pitié Salpêtrière, Sorbonne University Medicine, Paris, France
| | - Agustini Utari
- Division of Pediatric Endocrinology, Department of Pediatrics, Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | - Stefan A Wudy
- Steroid Research & Mass Spectrometry Unit, Laboratory of Translational Hormone Analytics, Division of Paediatric Endocrinology & Diabetology, Justus Liebig University, Giessen, Germany
| | - Perrin C White
- Division of Pediatric Endocrinology, UT Southwestern Medical Center, Dallas TX 75390, USA
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14
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Ferreira AS, Galvão S, Gaspar R, Rodrigues-Neves AC, Ambrósio AF, Matafome P, Gomes CA, Baptista FI. Sex-specific changes in peripheral metabolism in a model of chronic anxiety induced by prenatal stress. Eur J Clin Invest 2021; 51:e13639. [PMID: 34120349 DOI: 10.1111/eci.13639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/11/2021] [Accepted: 06/11/2021] [Indexed: 01/15/2023]
Abstract
BACKGROUND Prenatal stress is associated with increased susceptibility to psychiatric and metabolic disorders later in life. Prenatal exposure to stress mediators may have sex-dependent effects on offspring brain and metabolic function, promoting a sex-specific vulnerability to psychopathology and metabolic alterations at adulthood. In this work, the impact of prenatal stress on glucose homeostasis and peripheral metabolism of male and female offspring was investigated in a chronic anxiety animal model. METHODS Pregnant Wistar rats were injected with saline or glucocorticoid (dexamethasone: 1 mg/kg, subcutaneous) at gestational days 18 and 19. Male and female offspring weight was monitored, and anxious-like behaviour and peripheral insulin-sensitive tissues were analysed at adulthood. RESULTS At birth, females and males prenatally exposed to stress presented decreased body weight which remained low in females. At adulthood, a morphological disorganization of the Langerhans islets was observed in both sexes prenatally exposed to stress, yet not changes in insulin levels were detected. Also, prenatal stress increased glucose transporter 4 (GLUT-4) levels in female and male adipose tissues and decreased insulin receptor levels in the liver and skeleton muscle but only in females. CONCLUSIONS Exposure to stress mediators in critical periods of development negatively affects behaviour and metabolism. Prenatal stress programmes offspring peripheral metabolism in a sex-specific manner, emphasizing that the response to stress in critical periods of development may be sex-specific having each sex different vulnerabilities to psychiatric and metabolic disorders. Considering sex-specificities may provide critical clues for the design of preventive strategies and for early therapeutic intervention.
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Affiliation(s)
- Ana Sofia Ferreira
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal
| | - Sofia Galvão
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal
| | - Rita Gaspar
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
| | - Ana C Rodrigues-Neves
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
| | - António F Ambrósio
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
| | - Paulo Matafome
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
| | - Catarina A Gomes
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal.,Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Filipa I Baptista
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
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15
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Antenatal corticosteroid therapy modulates hepatic AMPK phosphorylation and maternal lipid metabolism in early lactating rats. Biomed Pharmacother 2021; 144:112355. [PMID: 34794232 DOI: 10.1016/j.biopha.2021.112355] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/07/2021] [Accepted: 10/19/2021] [Indexed: 02/01/2023] Open
Abstract
Antenatal corticosteroid therapy is used to reduce neonatal mortality in preterm infants but it is currently unknown whether this intervention affects lipid metabolism at the peripartum. This study aimed to evaluate if antenatal corticosteroid therapy in pregnant rats and women affects lipid metabolism during early lactation. We evaluated women at risk of preterm delivery that received corticosteroid therapy (CASE) and women that were not exposed to corticosteroid and were not at risk of preterm delivery (CONTROL). Samples were collected to measure serum and milk triacylglycerol (TAG) three days after delivery. Rats were treated with dexamethasone (DEX) between the 15th and the 20th days of pregnancy. Samples were collected at different days after delivery (L3, L8 and L14). TAG was measured in serum, liver and mammary gland (MG). TAG appearance rates were measured after tyloxapol injection and gavage with olive oil. We also evaluated the expression of key genes related to lipid metabolism in the liver and in the MG and hepatic phosphorylation of AMP-activated protein kinase (AMPK) and acetyl-CoA carboxylase (ACC). CASE volunteers delivered earlier than CONTROL but presented unaltered milk and serum TAG concentrations. Early lactating DEX rats exhibited increased TAG in serum, MG and milk. No changes in CD36 and LPL were detected in the MG and liver. Early lactating DEX rats displayed increased TAG appearance rate and reduced hepatic AMPK/ACC phosphorylation. Our data revealed that antenatal corticosteroid therapy reduces hepatic AMPK/ACC phosphorylation during early lactation that reflects in increased TAG concentration in serum, MG and milk.
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16
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Hsu CN, Hou CY, Hsu WH, Tain YL. Early-Life Origins of Metabolic Syndrome: Mechanisms and Preventive Aspects. Int J Mol Sci 2021; 22:11872. [PMID: 34769303 PMCID: PMC8584419 DOI: 10.3390/ijms222111872] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 10/31/2021] [Accepted: 10/31/2021] [Indexed: 02/07/2023] Open
Abstract
One of the leading global public-health burdens is metabolic syndrome (MetS), despite the many advances in pharmacotherapies. MetS, now known as "developmental origins of health and disease" (DOHaD), can have its origins in early life. Offspring MetS can be programmed by various adverse early-life conditions, such as nutrition imbalance, maternal conditions or diseases, maternal chemical exposure, and medication use. Conversely, early interventions have shown potential to revoke programming processes to prevent MetS of developmental origins, namely reprogramming. In this review, we summarize what is currently known about adverse environmental insults implicated in MetS of developmental origins, including the fundamental underlying mechanisms. We also describe animal models that have been developed to study the developmental programming of MetS. This review extends previous research reviews by addressing implementation of reprogramming strategies to prevent the programming of MetS. These mechanism-targeted strategies include antioxidants, melatonin, resveratrol, probiotics/prebiotics, and amino acids. Much work remains to be accomplished to determine the insults that could induce MetS, to identify the mechanisms behind MetS programming, and to develop potential reprogramming strategies for clinical translation.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 811, Taiwan;
| | - Wei-Hsuan Hsu
- Department of Food Safety/Hygiene and Risk Management, College of Medicine, National Chen Kung University, Tainan 701, Taiwan;
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
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17
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Changes in PGC-1α-Dependent Mitochondrial Biogenesis Are Associated with Inflexible Hepatic Energy Metabolism in the Offspring Born to Dexamethasone-Treated Mothers. LIVERS 2021. [DOI: 10.3390/livers1040016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
In the present study we investigated the participation of hepatic peroxisome proliferator-activated receptor-gamma coactivator 1 alpha (PGC-1α) in the metabolic programming of newborn rats exposed in utero to dexamethasone (DEX). On the 21st day of life, fasted offspring born to DEX-treated mothers displayed increased conversion of pyruvate into glucose with simultaneous upregulation of PEPCK (phosphoenolpyruvate carboxykinase) and G6Pase (glucose-6-phosphatase). Increased oxidative phosphorylation, higher ATP/ADP ratio and mitochondrial biogenesis and lower pyruvate levels were also found in the progeny of DEX-treated mothers. On the other hand, the 21-day-old progeny of DEX-treated mothers had increased hepatic triglycerides (TAG) and lower CPT-1 activity when subjected to short-term fasting. At the mechanistic level, rats exposed in utero to DEX exhibited increased hepatic PGC-1α protein content with lower miR-29a-c expression. Increased PGC-1α content was concurrent with increased association to HNF-4α and NRF1 and reduced PPARα expression. The data presented herein reveal that changes in the transcription machinery in neonatal liver of rats born to DEX-treated mothers leads to an inflexible metabolic response to fasting. Such programming is hallmarked by increased oxidative phosphorylation of pyruvate with impaired FFA oxidation and hepatic TAG accumulation.
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18
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Grilo LF, Tocantins C, Diniz MS, Gomes RM, Oliveira PJ, Matafome P, Pereira SP. Metabolic Disease Programming: From Mitochondria to Epigenetics, Glucocorticoid Signalling and Beyond. Eur J Clin Invest 2021; 51:e13625. [PMID: 34060076 DOI: 10.1111/eci.13625] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/22/2021] [Accepted: 05/24/2021] [Indexed: 12/11/2022]
Abstract
Embryonic and foetal development are critical periods of development in which several environmental cues determine health and disease in adulthood. Maternal conditions and an unfavourable intrauterine environment impact foetal development and may programme the offspring for increased predisposition to metabolic diseases and other chronic pathologic conditions throughout adult life. Previously, non-communicable chronic diseases were only associated with genetics and lifestyle. Now the origins of non-communicable chronic diseases are associated with early-life adaptations that produce long-term dysfunction. Early-life environment sets the long-term health and disease risk and can span through multiple generations. Recent research in developmental programming aims at identifying the molecular mechanisms responsible for developmental programming outcomes that impact cellular physiology and trigger adulthood disease. The identification of new therapeutic targets can improve offspring's health management and prevent or overcome adverse consequences of foetal programming. This review summarizes recent biomedical discoveries in the Developmental Origins of Health and Disease (DOHaD) hypothesis and highlight possible developmental programming mechanisms, including prenatal structural defects, metabolic (mitochondrial dysfunction, oxidative stress, protein modification), epigenetic and glucocorticoid signalling-related mechanisms suggesting molecular clues for the causes and consequences of programming of increased susceptibility of offspring to metabolic disease after birth. Identifying mechanisms involved in DOHaD can contribute to early interventions in pregnancy or early childhood, to re-set the metabolic homeostasis and break the chain of subsequent events that could lead to the development of disease.
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Affiliation(s)
- Luís F Grilo
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal.,PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Carolina Tocantins
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Mariana S Diniz
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Rodrigo Mello Gomes
- Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, Brazil
| | - Paulo J Oliveira
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Paulo Matafome
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Coimbra Institute for Clinical and Biomedical Research (iCBR) and Institute of Physiology, Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal.,Department of Complementary Sciences, Instituto Politécnico de Coimbra, Coimbra Health School (ESTeSC), Coimbra, Portugal
| | - Susana P Pereira
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal.,Laboratory of Metabolism and Exercise (LametEx), Research Centre in Physical Activity, Health and Leisure (CIAFEL), Laboratory for Integrative and Translational Research in Population Health (ITR), Faculty of Sport, University of Porto, Porto, Portugal
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19
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Lorenzon F, Gregorio T, Niebisch F, Stolte RCK, Dos Santos GJ, Rafacho A, Lima FB. Maternal vitamin D administration attenuates metabolic disturbances induced by prenatal exposure to dexamethasone in a sex-dependent manner. J Steroid Biochem Mol Biol 2021; 212:105941. [PMID: 34147644 DOI: 10.1016/j.jsbmb.2021.105941] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/25/2021] [Accepted: 06/10/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE The overexposure to synthetic glucocorticoids (GC) during pregnancy can predispose to metabolic diseases during adulthood. Vitamin D is not only crucial for fetal development, but also exerts direct effects on the GC sensitivity and down-regulates GC receptors. Given the vitamin D effects on glucocorticoid-related parameters, we aimed to investigate a possible protective role of maternal vitamin D administration on the glucose homeostasis of rats exposed to dexamethasone in utero. METHODS Pregnant rats received dexamethasone (0.1 mg/kg, Dex) daily between the 14th and 19th days of pregnancy. A subgroup of dexamethasone-treated dams received oral administration of vitamin D (500UI, DexVD) during the whole gestation. The corresponding control groups of dams were included (CTL and VD groups, respectively). Male and female offspring were evaluated at 3, 6 and 12 months of age. RESULTS Prenatal exposure to dexamethasone caused metabolic disruption in an age and sex-dependent manner being the older male offspring more susceptible to insulin resistance, fatty liver and beta-cell mass expansion than females. Furthermore, we demonstrated that prenatal GC led to glucose intolerance in male and female offspring in an age-dependent manner. Maternal vitamin D administration did not influence glucose intolerance but attenuated the insulin resistance, liver lipid accumulation and prevented the beta-cell mass expansion caused by prenatal dexamethasone in the male offspring. CONCLUSION Maternal vitamin D administration mitigates metabolic disturbances that occur later in life in male rats exposed to GC in utero. Moreover, our data suggest vitamin D as an important nutritional supplement for pregnant overexposed to GC during gestation.
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Affiliation(s)
- Flaviano Lorenzon
- Departamento de Ciências Fisiológicas, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Tamires Gregorio
- Departamento de Ciências Fisiológicas, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Fernanda Niebisch
- Departamento de Ciências Fisiológicas, Campus Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Rafaela C K Stolte
- Departamento de Ciências Fisiológicas, Campus Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Gustavo J Dos Santos
- Departamento de Ciências Fisiológicas, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Alex Rafacho
- Departamento de Ciências Fisiológicas, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Fernanda B Lima
- Departamento de Ciências Fisiológicas, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Campus Trindade, 88040-900, Florianópolis, SC, Brazil.
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20
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Dos Santos C, Rafacho A, Ferreira SM, Vettorazzi JF, Dos Reis Araújo T, Mateus Gonçalves L, Ruhrmann S, Bacos K, Ling C, Boschero AC, Jorge Dos Santos G. Excess of glucocorticoids during late gestation impairs the recovery of offspring's β-cell function after a postnatal injury. FASEB J 2021; 35:e21828. [PMID: 34325494 DOI: 10.1096/fj.202100841r] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/05/2021] [Accepted: 07/15/2021] [Indexed: 11/11/2022]
Abstract
Since prenatal glucocorticoids (GC) excess increases the risk of metabolic dysfunctions in the offspring and its effect on β-cell recovery capacity remains unknown we investigated these aspects in offspring from mice treated with dexamethasone (DEX) in the late pregnancy. Half of the pups were treated with streptozotocin (STZ) on the sixth postnatal day (PN). Functional and molecular analyses were performed in male offspring on PN25 and PN225. Prenatal DEX treatment resulted in low birth weight. At PN25, both the STZ-treated offspring developed hyperglycemia and had lower β-cell mass, in parallel with higher α-cell mass and glucose intolerance, with no impact of prenatal DEX on such parameters. At PN225, the β-cell mass was partially recovered in the STZ-treated mice, but they remained glucose-intolerant, irrespective of being insulin sensitive. Prenatal exposition to DEX predisposed adult offspring to sustained hyperglycemia and perturbed islet function (lower insulin and higher glucagon response to glucose) in parallel with exacerbated glucose intolerance. β-cell-specific knockdown of the Hnf4α in mice from the DS group resulted in exacerbated glucose intolerance. We conclude that high GC exposure during the prenatal period exacerbates the metabolic dysfunctions in adult life of mice exposed to STZ early in life, resulting in a lesser ability to recover the islets' function over time. This study alerts to the importance of proper management of exogenous GCs during pregnancy and a healthy postnatal lifestyle since the combination of adverse factors during the prenatal and postnatal period accentuates the predisposition to metabolic disorders in adult life.
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Affiliation(s)
- Cristiane Dos Santos
- Laboratory of Endocrine Pancreas and Metabolism - LAPEM, Department of Structural and Functional Biology, Institute of Biology, Campinas State University - UNICAMP, Campinas, Brazil
| | - Alex Rafacho
- Laboratory of Investigation in Chronic Diseases - LIDoC, Department of Physiological Sciences, Center of Biological Sciences, Federal University of Santa Catarina - UFSC, Florianópolis, Brazil
| | - Sandra Mara Ferreira
- Laboratory of Endocrine Pancreas and Metabolism - LAPEM, Department of Structural and Functional Biology, Institute of Biology, Campinas State University - UNICAMP, Campinas, Brazil
| | - Jean Franciesco Vettorazzi
- Laboratory of Endocrine Pancreas and Metabolism - LAPEM, Department of Structural and Functional Biology, Institute of Biology, Campinas State University - UNICAMP, Campinas, Brazil
| | - Thiago Dos Reis Araújo
- Laboratory of Endocrine Pancreas and Metabolism - LAPEM, Department of Structural and Functional Biology, Institute of Biology, Campinas State University - UNICAMP, Campinas, Brazil
| | - Luciana Mateus Gonçalves
- Laboratory of Endocrine Pancreas and Metabolism - LAPEM, Department of Structural and Functional Biology, Institute of Biology, Campinas State University - UNICAMP, Campinas, Brazil
| | - Sabrina Ruhrmann
- Epigenetics and Diabetes Unit, Department of Clinical Sciences Malmö, Lund University Diabetes Center, Scania University Hospital, Malmö, Sweden
| | - Karl Bacos
- Epigenetics and Diabetes Unit, Department of Clinical Sciences Malmö, Lund University Diabetes Center, Scania University Hospital, Malmö, Sweden
| | - Charlotte Ling
- Epigenetics and Diabetes Unit, Department of Clinical Sciences Malmö, Lund University Diabetes Center, Scania University Hospital, Malmö, Sweden
| | - Antônio Carlos Boschero
- Laboratory of Endocrine Pancreas and Metabolism - LAPEM, Department of Structural and Functional Biology, Institute of Biology, Campinas State University - UNICAMP, Campinas, Brazil
| | - Gustavo Jorge Dos Santos
- Laboratory of Investigation in Chronic Diseases - LIDoC, Department of Physiological Sciences, Center of Biological Sciences, Federal University of Santa Catarina - UFSC, Florianópolis, Brazil
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Sheng JA, Bales NJ, Myers SA, Bautista AI, Roueinfar M, Hale TM, Handa RJ. The Hypothalamic-Pituitary-Adrenal Axis: Development, Programming Actions of Hormones, and Maternal-Fetal Interactions. Front Behav Neurosci 2021; 14:601939. [PMID: 33519393 PMCID: PMC7838595 DOI: 10.3389/fnbeh.2020.601939] [Citation(s) in RCA: 128] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/10/2020] [Indexed: 12/11/2022] Open
Abstract
The hypothalamic-pituitary-adrenal axis is a complex system of neuroendocrine pathways and feedback loops that function to maintain physiological homeostasis. Abnormal development of the hypothalamic-pituitary-adrenal (HPA) axis can further result in long-term alterations in neuropeptide and neurotransmitter synthesis in the central nervous system, as well as glucocorticoid hormone synthesis in the periphery. Together, these changes can potentially lead to a disruption in neuroendocrine, behavioral, autonomic, and metabolic functions in adulthood. In this review, we will discuss the regulation of the HPA axis and its development. We will also examine the maternal-fetal hypothalamic-pituitary-adrenal axis and disruption of the normal fetal environment which becomes a major risk factor for many neurodevelopmental pathologies in adulthood, such as major depressive disorder, anxiety, schizophrenia, and others.
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Affiliation(s)
- Julietta A. Sheng
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Natalie J. Bales
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Sage A. Myers
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Anna I. Bautista
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Mina Roueinfar
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Taben M. Hale
- Department of Basic Medical Sciences, University of Arizona College of Medicine, Phoenix, AZ, United States
| | - Robert J. Handa
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Basic Medical Sciences, University of Arizona College of Medicine, Phoenix, AZ, United States
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22
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de Souza DN, Teixeira CJ, Veronesi VB, Murata GM, Santos-Silva JC, Hecht FB, Vicente JM, Bordin S, Anhê GF. Dexamethasone programs lower fatty acid absorption and reduced PPAR-γ and fat/CD36 expression in the jejunum of the adult rat offspring. Life Sci 2021; 265:118765. [DOI: 10.1016/j.lfs.2020.118765] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/29/2020] [Accepted: 11/11/2020] [Indexed: 01/26/2023]
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23
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Wan HT, Wong AYM, Feng S, Wong CKC. Effects of In Utero Exposure to Perfluorooctane Sulfonate on Placental Functions. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:16050-16061. [PMID: 33258594 DOI: 10.1021/acs.est.0c06569] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Perfluorooctane sulfonate (PFOS) is a metabolic-disrupting chemical. There is a strong association between maternal and cord blood PFOS concentrations, affecting metabolism in early life. However, the underlying effects have not been fully elucidated. In this study, using the maternal-fetal model, we investigated the impact of gestational PFOS exposure on the placental structure and nutrient transport. Pregnant mice were oral gavaged with PFOS (1 or 3 μg PFOS/g body weight) from gestational day (GD) 4.5 until GD 17.5. Our data showed a significant reduction in fetal body weight at high dose exposure. There were no noticeable changes in placental weights and the relative areas of junctional and labyrinth zones among the control and exposed groups. However, a placental nutrient transport assay showed a significant reduction in maternal-fetal transport of the glucose and amino acid analogues. Western blot analysis showed a significant decrease in the expression levels of placental SNAT4 upon PFOS exposure. Moreover, in the high-dose exposed group, placenta and fetal livers were found to have significantly higher corticosterone levels, a negative regulator of fetal growth. The perturbation in the placental transport function and corticosterone levels accounted for the PFOS-induced reduction of fetal body weights.
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Affiliation(s)
- Hin Ting Wan
- Croucher Institute for Environmental Sciences, Department of Biology, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Aman Yi-Man Wong
- Croucher Institute for Environmental Sciences, Department of Biology, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Shi Feng
- Croucher Institute for Environmental Sciences, Department of Biology, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Chris Kong-Chu Wong
- Croucher Institute for Environmental Sciences, Department of Biology, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
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24
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Salimi M, Sadeghimahalli F, Shaerzadeh F, Khodagholi F, Zardooz H. Early-life stress altered pancreatic Krebs cycle-related enzyme activities in response to young adulthood physical and psychological stress in male rat offspring. Horm Mol Biol Clin Investig 2020; 42:19-27. [PMID: 33781007 DOI: 10.1515/hmbci-2020-0063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/14/2020] [Indexed: 01/06/2023]
Abstract
OBJECTIVES Early-life stress (ELS) increases the risk of metabolic disorders in later life. The present study investigated the ELS effect on pancreatic pyruvate dehydrogenase (PDH) protein level, α-ketoglutarate dehydrogenase (α-KGDH), and aconitase activities as metabolic enzymes in response to young adulthood stress in male rat offspring. METHODS Male Wistar rats were divided into six groups: Control, early life stress (Early STR), young adult foot-shock stress (Y. adult F-SH STR), early + young adult foot-shock stress (Early + Y. adult F-SH STR), young adult psychological stress (Y. adult Psy STR) and early + young adult psychological stress (Early + Y. adult Psy STR). Stress was induced by a communication box at 2 weeks of age and young adulthood for five consecutive days. The blood samples were collected in young adult rats, then pancreases were removed to measure its PDH protein level and aconitase and α-KGDH activities. RESULTS In ELS animals, applying foot-shock stress in young adulthood increased PDH protein level, decreased α-KGDH and aconitase activities, and increased plasma glucose, insulin, and corticosterone concentrations. However, exposure to young adulthood psychological stress only decreased α-KGDH and aconitase activities. CONCLUSIONS It seems that ELS altered metabolic response to young adulthood stress through changes of Krebs cycle-related enzymes activities, though the type of adulthood stress was determinant.
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Affiliation(s)
- Mina Salimi
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Forouzan Sadeghimahalli
- Department of Physiology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fatemeh Shaerzadeh
- Department of Neuroscience, University of Florida, Gainesville, Florida, USA
| | - Fariba Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Homeira Zardooz
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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25
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Christoforou ER, Sferruzzi-Perri AN. Molecular mechanisms governing offspring metabolic programming in rodent models of in utero stress. Cell Mol Life Sci 2020; 77:4861-4898. [PMID: 32494846 PMCID: PMC7658077 DOI: 10.1007/s00018-020-03566-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 05/23/2020] [Accepted: 05/27/2020] [Indexed: 12/13/2022]
Abstract
The results of different human epidemiological datasets provided the impetus to introduce the now commonly accepted theory coined as 'developmental programming', whereby the presence of a stressor during gestation predisposes the growing fetus to develop diseases, such as metabolic dysfunction in later postnatal life. However, in a clinical setting, human lifespan and inaccessibility to tissue for analysis are major limitations to study the molecular mechanisms governing developmental programming. Subsequently, studies using animal models have proved indispensable to the identification of key molecular pathways and epigenetic mechanisms that are dysregulated in metabolic organs of the fetus and adult programmed due to an adverse gestational environment. Rodents such as mice and rats are the most used experimental animals in the study of developmental programming. This review summarises the molecular pathways and epigenetic mechanisms influencing alterations in metabolic tissues of rodent offspring exposed to in utero stress and subsequently programmed for metabolic dysfunction. By comparing molecular mechanisms in a variety of rodent models of in utero stress, we hope to summarise common themes and pathways governing later metabolic dysfunction in the offspring whilst identifying reasons for incongruencies between models so to inform future work. With the continued use and refinement of such models of developmental programming, the scientific community may gain the knowledge required for the targeted treatment of metabolic diseases that have intrauterine origins.
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Affiliation(s)
- Efthimia R Christoforou
- Department of Physiology, Development and Neuroscience, Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge, UK
| | - Amanda N Sferruzzi-Perri
- Department of Physiology, Development and Neuroscience, Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge, UK.
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26
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Embryonic exposure to hyper glucocorticoids suppresses brown fat development and thermogenesis via REDD1. Sci Bull (Beijing) 2020; 66:478-489. [PMID: 33936858 DOI: 10.1016/j.scib.2020.10.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Maternal stress during pregnancy is prevailing worldwide, which exposes fetuses to intrauterine hyper glucocorticoids (GC), programming offspring to obesity and metabolic diseases. Despite the importance of brown adipose tissue (BAT) in maintaining long-term metabolic health, impacts of prenatal hyper GC on postnatal BAT thermogenesis and underlying regulations remain poorly defined. Pregnant mice were administrated with synthetic GC dexamethasone (DEX) at levels comparable to fetal GC exposure of stressed mothers. Prenatal GC exposure dose-dependently reduced BAT thermogenic activity, contributing to lower body temperature and higher mortality of neonates; such difference was abolished under thermoneutrality, underscoring BAT deficiency was the major contributor to adverse changes in postnatal thermogenesis due to excessive GC. Prenatal GC exposure highly activated Redd1 expression and reduced Ppargc1a transcription from the alternative promoter (Ppargc1a-AP) in neonatal BAT. During brown adipocyte differentiation, ectopic Redd1 expression reduced Ppargc1a-AP expression and mitochondrial biogenesis; and the inhibitory effects of GC on mitochondrial biogenesis and Ppargc1a-AP expression were blocked by Redd1 ablation. Redd1 reduced protein kinase A phosphorylation and suppressed cyclic adenosine monophosphate (cAMP) -responsive element-binding protein (CREB) binding to the cAMP regulatory element (CRE) in Ppargc1a-AP promoter, leading to Ppargc1a-AP inactivation. In summary, excessive maternal GC exposure during pregnancy dysregulates Redd1-Ppargc1a-AP axis, which impairs fetal BAT development, hampering postnatal thermogenic adaptation and metabolic health of offspring.
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27
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Pereira GA, Sodré FS, Murata GM, Amaral AG, Payolla TB, Campos CV, Sato FT, Anhê GF, Bordin S. Fructose Consumption by Adult Rats Exposed to Dexamethasone In Utero Changes the Phenotype of Intestinal Epithelial Cells and Exacerbates Intestinal Gluconeogenesis. Nutrients 2020; 12:nu12103062. [PMID: 33036430 PMCID: PMC7600908 DOI: 10.3390/nu12103062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/30/2020] [Accepted: 10/02/2020] [Indexed: 01/02/2023] Open
Abstract
Fructose consumption by rodents modulates both hepatic and intestinal lipid metabolism and gluconeogenesis. We have previously demonstrated that in utero exposure to dexamethasone (DEX) interacts with fructose consumption during adult life to exacerbate hepatic steatosis in rats. The aim of this study was to clarify if adult rats born to DEX-treated mothers would display differences in intestinal gluconeogenesis after excessive fructose intake. To address this issue, female Wistar rats were treated with DEX during pregnancy and control (CTL) mothers were kept untreated. Adult offspring born to CTL and DEX-treated mothers were assigned to receive either tap water (Control-Standard Chow (CTL-SC) and Dexamethasone-Standard Chow (DEX-SC)) or 10% fructose in the drinking water (CTL-fructose and DEX-fructose). Fructose consumption lasted for 80 days. All rats were subjected to a 40 h fasting before sample collection. We found that DEX-fructose rats have increased glucose and reduced lactate in the portal blood. Jejunum samples of DEX-fructose rats have enhanced phosphoenolpyruvate carboxykinase (PEPCK) expression and activity, higher facilitated glucose transporter member 2 (GLUT2) and facilitated glucose transporter member 5 (GLUT5) content, and increased villous height, crypt depth, and proliferating cell nuclear antigen (PCNA) staining. The current data reveal that rats born to DEX-treated mothers that consume fructose during adult life have increased intestinal gluconeogenesis while recapitulating metabolic and morphological features of the neonatal jejunum phenotype.
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Affiliation(s)
- Gizela A. Pereira
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, 05508-000 SP, Brazil; (G.A.P.); (F.S.S.); (G.M.M.); (A.G.A.); (T.B.P.); (F.T.S.)
| | - Frhancielly S. Sodré
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, 05508-000 SP, Brazil; (G.A.P.); (F.S.S.); (G.M.M.); (A.G.A.); (T.B.P.); (F.T.S.)
| | - Gilson M. Murata
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, 05508-000 SP, Brazil; (G.A.P.); (F.S.S.); (G.M.M.); (A.G.A.); (T.B.P.); (F.T.S.)
| | - Andressa G. Amaral
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, 05508-000 SP, Brazil; (G.A.P.); (F.S.S.); (G.M.M.); (A.G.A.); (T.B.P.); (F.T.S.)
| | - Tanyara B. Payolla
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, 05508-000 SP, Brazil; (G.A.P.); (F.S.S.); (G.M.M.); (A.G.A.); (T.B.P.); (F.T.S.)
| | - Carolina V. Campos
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, Campinas, 13083-887 SP, Brazil; (C.V.C.); (G.F.A.)
| | - Fabio T. Sato
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, 05508-000 SP, Brazil; (G.A.P.); (F.S.S.); (G.M.M.); (A.G.A.); (T.B.P.); (F.T.S.)
| | - Gabriel F. Anhê
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, Campinas, 13083-887 SP, Brazil; (C.V.C.); (G.F.A.)
| | - Silvana Bordin
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, 05508-000 SP, Brazil; (G.A.P.); (F.S.S.); (G.M.M.); (A.G.A.); (T.B.P.); (F.T.S.)
- Correspondence: ; Tel.: +55-11-3091-7245
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28
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Prenatal stress and epigenetics. Neurosci Biobehav Rev 2020; 117:198-210. [DOI: 10.1016/j.neubiorev.2017.05.016] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 05/15/2017] [Accepted: 05/16/2017] [Indexed: 12/22/2022]
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29
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Shallie PD, Margolis D, Shallie OF, Naicker T. Placental 11β-HSD2 downregulated in HIV associated preeclampsia. J Reprod Immunol 2020; 142:103185. [PMID: 32853845 DOI: 10.1016/j.jri.2020.103185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/29/2020] [Accepted: 08/08/2020] [Indexed: 11/24/2022]
Abstract
Preeclampsia (PE) and human immunodeficiency virus (HIV) have been linked with marked increases in maternal stress, resulting in a significant change in placental function ranging from alterations in placental structure to the precise and delicate transformations in placental gene expression. Such changes may lead to altered transport of essential signals to the fetus, which can have long-term impacts on offspring health and consequently affect fetal neurodevelopment. Therefore, this work investigated the role of placental 11β-hydroxysteroid dehydrogenase types 2 (11β-HSD2) in HIV associated preeclampsia. The placenta were obtained from 76 pregnant women, which were stratified based on pregnancy type and HIV status into; Normotensive HIV negative, normotensive HIV positive, PE HIV negative and PE HIV positive. The placental tissue was processed for immunocytochemistry and stained with rabbit polyclonal to 11β-HSD2 Our results showed significant downregulation in the placental expression of 11β-HSD2 in both the conducting and exchange villi of PE and HIV-positive patients when compared with Normotensive and HIV-negative individuals, respectively. Our results provide inferential evidence for comorbidity of PE and HIV in the downregulation of placental 11β-HSD2 enzyme function, which mediates the programmed outcomes of an adverse maternal environment during pregnancy and long-term impacts on offspring health and consequently affects fetal neurodevelopment.
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Affiliation(s)
- Philemon Dauda Shallie
- Optics and Imaging Centre, School of Laboratory Medicine and Medical Sciences, Nelson Mandela Medical School, University of KwaZulu-Natal, Durban, South Africa; Department of Anatomy, Obafemi Awolowo College of Health Sciences, Olabisi Onabanjo University, Ago-Iwoye, Ogun State, Nigeria.
| | - Denise Margolis
- Optics and Imaging Centre, School of Laboratory Medicine and Medical Sciences, Nelson Mandela Medical School, University of KwaZulu-Natal, Durban, South Africa
| | - Oluwadamilola Faith Shallie
- Discipline of Physiology, School of Laboratory Medicine and Medical Sciences, Nelson Mandela Medical School, University of KwaZulu-Natal, Durban, South Africa
| | - Thajasvarie Naicker
- Optics and Imaging Centre, School of Laboratory Medicine and Medical Sciences, Nelson Mandela Medical School, University of KwaZulu-Natal, Durban, South Africa
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30
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In utero exposure to dexamethasone programs the development of the pancreatic β- and α-cells during early postnatal life. Life Sci 2020; 255:117810. [DOI: 10.1016/j.lfs.2020.117810] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/06/2020] [Accepted: 05/14/2020] [Indexed: 01/11/2023]
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31
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Ruiz D, Padmanabhan V, Sargis RM. Stress, Sex, and Sugar: Glucocorticoids and Sex-Steroid Crosstalk in the Sex-Specific Misprogramming of Metabolism. J Endocr Soc 2020; 4:bvaa087. [PMID: 32734132 PMCID: PMC7382384 DOI: 10.1210/jendso/bvaa087] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 06/26/2020] [Indexed: 12/11/2022] Open
Abstract
Early-life exposures to environmental insults can misprogram development and increase metabolic disease risk in a sex-dependent manner by mechanisms that remain poorly characterized. Modifiable factors of increasing public health relevance, such as diet, psychological stress, and endocrine-disrupting chemicals, can affect glucocorticoid receptor signaling during gestation and lead to sex-specific postnatal metabolic derangements. Evidence from humans and animal studies indicate that glucocorticoids crosstalk with sex steroids by several mechanisms in multiple tissues and can affect sex-steroid-dependent developmental processes. Nonetheless, glucocorticoid sex-steroid crosstalk has not been considered in the glucocorticoid-induced misprogramming of metabolism. Herein we review what is known about the mechanisms by which glucocorticoids crosstalk with estrogen, androgen, and progestogen action. We propose that glucocorticoid sex-steroid crosstalk is an understudied mechanism of action that requires consideration when examining the developmental misprogramming of metabolism, especially when assessing sex-specific outcomes.
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Affiliation(s)
- Daniel Ruiz
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois.,Department of Human Genetics, Emory University School of Medicine, Atlanta, Georgia
| | | | - Robert M Sargis
- Division of Endocrinology, Diabetes, and Metabolism; Department of Medicine; University of Illinois at Chicago, Chicago, Illinois.,Chicago Center for Health and Environment, University of Illinois at Chicago, Chicago, Illinois
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32
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Rothe N, Steffen J, Penz M, Kirschbaum C, Walther A. Examination of peripheral basal and reactive cortisol levels in major depressive disorder and the burnout syndrome: A systematic review. Neurosci Biobehav Rev 2020; 114:232-270. [DOI: 10.1016/j.neubiorev.2020.02.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 01/27/2020] [Accepted: 02/19/2020] [Indexed: 12/15/2022]
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33
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Puttabyatappa M, Sargis RM, Padmanabhan V. Developmental programming of insulin resistance: are androgens the culprits? J Endocrinol 2020; 245:R23-R48. [PMID: 32240982 PMCID: PMC7219571 DOI: 10.1530/joe-20-0044] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 04/02/2020] [Indexed: 02/06/2023]
Abstract
Insulin resistance is a common feature of many metabolic disorders. The dramatic rise in the incidence of insulin resistance over the past decade has enhanced focus on its developmental origins. Since various developmental insults ranging from maternal disease, stress, over/undernutrition, and exposure to environmental chemicals can all program the development of insulin resistance, common mechanisms may be involved. This review discusses the possibility that increases in maternal androgens associated with these various insults are key mediators in programming insulin resistance. Additionally, the intermediaries through which androgens misprogram tissue insulin sensitivity, such as changes in inflammatory, oxidative, and lipotoxic states, epigenetic, gut microbiome and insulin, as well as data gaps to be filled are also discussed.
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Affiliation(s)
| | - Robert M. Sargis
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
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34
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In utero heat stress alters postnatal phenotypes in swine. Theriogenology 2020; 154:110-119. [PMID: 32540511 DOI: 10.1016/j.theriogenology.2020.05.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 05/05/2020] [Accepted: 05/10/2020] [Indexed: 12/12/2022]
Abstract
The prenatal environment influences offspring health and development, and this is readily apparent when considering the well-described effects of maternal nutrition and stress on the postnatal metabolism, neural function, and stress response of progeny. Moreover, in laboratory species, sheep, and humans, the effects of in utero heat stress on offspring development have been described in detail for >50 years. Despite our extensive knowledge of the postnatal phenotypes elicited by in utero stressors, the carryover effects of in utero heat stress in pigs have only recently begun to be elucidated. The effects of climate change on increasing global temperatures, combined with greater metabolic heat production in modern swine, has increased heat stress susceptibility in pigs. Greater heat stress susceptibility can negatively affect swine welfare and performance and may impact future generations of pigs through in utero heat stress. Pigs exposed to in utero heat stress develop a variety of postnatal phenotypes that prevent profitable production, and compromise health, and welfare in commercial production systems. Specifically, in utero heat stress alters the postnatal stress response, core body temperature, response to an immune challenge, and is teratogenic. In addition, in utero heat stress changes postnatal body composition through reduced lean and increased adipose tissue accretion rates, respectively. Furthermore, in utero heat stress reduces piglet birth weight, body weight gain, and reproductive efficiency. Although the economic impact of in utero heat stress in pigs has yet to be determined, it likely rivals the postnatal consequences of heat stress and is a threat to the global sustainability of swine production.
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35
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Davidson CQ, Tharmalingam S, Niccoli S, Nemec-Bakk A, Khurana S, Murray A, Tai TC, Boreham DR, Khaper N, Lees SJ. Dose threshold for radiation induced fetal programming in a mouse model at 4 months of age: Hepatic expression of genes and proteins involved in glucose metabolism and glucose uptake in brown adipose tissue. PLoS One 2020; 15:e0231650. [PMID: 32315370 PMCID: PMC7173787 DOI: 10.1371/journal.pone.0231650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 03/27/2020] [Indexed: 01/21/2023] Open
Abstract
Exposure to ionizing radiation contributing to negative health outcomes is a widespread concern. However, the impact of low dose and sub-lethal dose radiation (SLDR) exposures remain contentious, particularly in pregnant women who represent a vulnerable group. The fetal programming hypothesis states that an adverse in utero environment or stress during development of an embryo or fetus can result in permanent physiologic changes often resulting in progressive metabolic dysfunction with age. To assess changes in gene expression profiles of glucose/insulin signaling and lipid metabolism caused by radiation exposure in utero, pregnant C57Bl/6J mice were irradiated using a dose response ranging from low dose to SLDR and compared to a Sham-irradiated group. mRNA expression analysis in 16 week old offspring (n = 84) revealed that genes involved in metabolic function including glucose metabolism, insulin signaling and lipid metabolism were unaffected by prenatal radiation exposures up to 300 mGy. However, female offspring of dams exposed to 1000 mGy had upregulated expression of genes contributing to insulin resistance and gluconeogenesis. In a second cohort of mice, the effects of SLDR on fetal programming of hepatic SOCS3 and PEPCK protein expression were assessed. 4 month old female offspring of dams irradiated at 1000 mGy had: 1) increased liver weights, 2) increased hepatic expression of proteins involved in glucose metabolism and 3) increased 18F-fluorodeoxyglucose (FDG) uptake in interscapular brown adipose tissue (IBAT) measured by positron emission tomography (PET) (n = 25). The results of this study indicate that prenatal radiation exposure does not affect metabolic function up to 300 mGy and 1000 mGy may be a threshold dose for sex-specific alterations in glucose uptake and hepatic gene and protein expression of SOCS3, PEPCK, PPARGC1A and PPARGC1B. These findings suggest that SLDR doses alter glucose uptake in IBAT and hepatic gene and protein expression of offspring and these changes may progress with age.
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Affiliation(s)
| | - Sujeenthar Tharmalingam
- Division of Medical Sciences, Northern Ontario School of Medicine, Laurentian University, Sudbury, Ontario, Canada
| | - Sarah Niccoli
- Department of Biology, Lakehead University, Thunder Bay, Ontario, Canada
| | - Ashley Nemec-Bakk
- Department of Biology, Lakehead University, Thunder Bay, Ontario, Canada
| | - Sandhya Khurana
- Division of Medical Sciences, Northern Ontario School of Medicine, Laurentian University, Sudbury, Ontario, Canada
| | - Alyssa Murray
- Division of Medical Sciences, Northern Ontario School of Medicine, Laurentian University, Sudbury, Ontario, Canada
| | - T. C. Tai
- Division of Medical Sciences, Northern Ontario School of Medicine, Laurentian University, Sudbury, Ontario, Canada
| | - Douglas R. Boreham
- Division of Medical Sciences, Northern Ontario School of Medicine, Laurentian University, Sudbury, Ontario, Canada
- Department of Medical Physics and Applied Radiation Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Neelam Khaper
- Department of Biology, Lakehead University, Thunder Bay, Ontario, Canada
- Division of Medical Sciences, Northern Ontario School of Medicine, Lakehead University, Thunder Bay, Ontario, Canada
| | - Simon J. Lees
- Department of Biology, Lakehead University, Thunder Bay, Ontario, Canada
- Division of Medical Sciences, Northern Ontario School of Medicine, Lakehead University, Thunder Bay, Ontario, Canada
- * E-mail:
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Medlock Kakaley E, Cardon MC, Gray LE, Hartig PC, Wilson VS. Generalized Concentration Addition Model Predicts Glucocorticoid Activity Bioassay Responses to Environmentally Detected Receptor-Ligand Mixtures. Toxicol Sci 2020; 168:252-263. [PMID: 30535411 DOI: 10.1093/toxsci/kfy290] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Many glucocorticoid receptor (GR) agonists have been detected in waste and surface waters domestically and around the world, but the way a mixture of these environmental compounds may elicit a total glucocorticoid activity response in water samples remains unknown. Therefore, we characterized 19 GR ligands using a CV1 cell line transcriptional activation assay applicable to water quality monitoring. Cells were treated with individual GR ligands, a fixed ratio mixture of full or partial agonists, or a nonequipotent mixture with full and partial agonists. Efficacy varied (48.09%-102.5%) and potency ranged over several orders of magnitude (1.278 × 10-10 to 3.93 × 10-8 M). Concentration addition (CA) and response addition (RA) mixtures models accurately predicted equipotent mixture responses of full agonists (r2 = 0.992 and 0.987, respectively). However, CA and RA models assume mixture compounds produce full agonist-like responses, and therefore they overestimated observed maximal efficacies for mixtures containing partial agonists. The generalized concentration addition (GCA) model mathematically permits < 100% maximal responses, and fell within the 95% confidence interval bands of mixture responses containing partial agonists. The GCA, but not CA and RA, model predictions of nonequipotent mixtures containing both full and partial agonists fell within the same statistical distribution as the observed values, reinforcing the practicality of the GCA model as the best overall model for predicting GR activation. Elucidating the mechanistic basis of GR activation by mixtures of previously detected environmental GR ligands will benefit the interpretation of environmental sample contents in future water quality monitoring studies.
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Affiliation(s)
- Elizabeth Medlock Kakaley
- *U.S. Environmental Protection Agency, Toxicity Assessment Division, Research Triangle Park, North Carolina 27711
- Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee 37831
- University of North Carolina at Chapel Hill, Curriculum in Toxicology, Chapel Hill, North Carolina 27599
| | - Mary C Cardon
- *U.S. Environmental Protection Agency, Toxicity Assessment Division, Research Triangle Park, North Carolina 27711
| | - L Earl Gray
- *U.S. Environmental Protection Agency, Toxicity Assessment Division, Research Triangle Park, North Carolina 27711
| | - Phillip C Hartig
- *U.S. Environmental Protection Agency, Toxicity Assessment Division, Research Triangle Park, North Carolina 27711
| | - Vickie S Wilson
- *U.S. Environmental Protection Agency, Toxicity Assessment Division, Research Triangle Park, North Carolina 27711
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Hsu MH, Sheen JM, Chen YC, Yu HR, Tain YL, Huang LT. Rats with prenatal dexamethasone exposure and postnatal high-fat diet exhibited insulin resistance, and spatial learning and memory impairment: effects of enriched environment. Neuroreport 2020; 31:265-273. [PMID: 32032284 DOI: 10.1097/wnr.0000000000001406] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This study aimed to examine the combined effects of prenatal glucocorticoid exposure and a postnatal high-fat diet (HFD) on offspring brain development and metabolic disturbance. Besides, the effects of an enriched environment were assessed. Pregnant Sprague-Dawley rats were administered vehicle or dexamethasone between gestation days 14 and 21. Male offspring was then weaned onto either a standard chow or HFD. An enriched environment was implemented between postnatal days 22 and 180 in a subset of rats with prenatal dexamethasone and a postnatal HFD. Adult male offspring with prenatal exposure to dexamethasone and a postnatal HFD showed obesity, increased systolic blood pressure, peripheral and central insulin resistance, and spatial learning and memory impairment detected by Morris water maze. An enriched environment displayed beneficial effects in reducing body weight, decreasing systolic blood pressure, reducing insulin resistance, ameliorating brain molecular alterations, and alleviating spatial deficit in rats with prenatal dexamethasone and a postnatal HFD. In conclusion, adult male offspring with prenatal dexamethasone exposure and a postnatal HFD showed obesity, increased systolic blood pressure, peripheral and central insulin resistance, and spatial learning and memory impairment. In addition, an enriched environment had beneficial effects in this context.
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Affiliation(s)
- Mei-Hsin Hsu
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung
| | - Jiunn-Ming Sheen
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung
| | - Yu-Chieh Chen
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung
| | - Hong-Ren Yu
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung
| | - Li-Tung Huang
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung
- Department of Medicine, Chang Gung University, Linkou, Taiwan
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Castelli V, Lavanco G, Brancato A, Plescia F. Targeting the Stress System During Gestation: Is Early Handling a Protective Strategy for the Offspring? Front Behav Neurosci 2020; 14:9. [PMID: 32082129 PMCID: PMC7006220 DOI: 10.3389/fnbeh.2020.00009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 01/15/2020] [Indexed: 12/28/2022] Open
Abstract
The perinatal window is a critical developmental time when abnormal gestational stimuli may alter the development of the stress system that, in turn, influences behavioral and physiological responses in the newborns. Individual differences in stress reactivity are also determined by variations in maternal care, resulting from environmental manipulations. Despite glucocorticoids are the primary programming factor for the offspring's stress response, therapeutic corticosteroids are commonly used during late gestation to prevent preterm negative outcomes, exposing the offspring to potentially aberrant stress reactivity later in life. Thus, in this study, we investigated the consequences of one daily s.c. injection of corticosterone (25 mg/kg), from gestational day (GD) 14-16, and its interaction with offspring early handling, consisting in a brief 15-min maternal separation until weaning, on: (i) maternal behavior; and (ii) behavioral reactivity, emotional state and depressive-like behavior in the adolescent offspring. Corticosterone plasma levels, under non-shock- and shock-induced conditions, were also assessed. Our results show that gestational exposure to corticosterone was associated with diminished maternal care, impaired behavioral reactivity, increased emotional state and depressive-like behavior in the offspring, associated with an aberrant corticosterone response. The early handling procedure, which resulted in increased maternal care, was able to counteract the detrimental effects induced by gestational corticosterone exposure both in the behavioral- and neurochemical parameters examined. These findings highlight the potentially detrimental consequences of targeting the stress system during pregnancy as a vulnerability factor for the occurrence of emotional and affective distress in the adolescent offspring. Maternal extra-care proves to be a protective strategy that confers resiliency and restores homeostasis.
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Affiliation(s)
- Valentina Castelli
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Gianluca Lavanco
- INSERM U1215, Neuro Centre Magendie, Bordeaux, France.,University of Bordeaux, Bordeaux, France.,Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania, Italy
| | - Anna Brancato
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties "Giuseppe D'Alessandro", University of Palermo, Palermo, Italy
| | - Fulvio Plescia
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties "Giuseppe D'Alessandro", University of Palermo, Palermo, Italy
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Effects of preterm birth induced with or without exogenous glucocorticoids on the ovine glucose-insulin axis. J Dev Orig Health Dis 2020; 12:58-70. [PMID: 31937391 DOI: 10.1017/s2040174419000916] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Antenatal exogenous glucocorticoids (ANG) are standard management for women at risk of preterm birth but are reputed to impair glucose tolerance in preterm offspring. We compared lambs born preterm (137 days gestation) following labour induced with exogenous glucocorticoids (G-Prem, glucocorticoid-induced preterm group), or with a progesterone synthesis inhibitor (NG-Prem, non-glucocorticoid-induced preterm group), with term-born lambs (Term; 149 days). We assessed glucose tolerance, insulin secretion and sensitivity at 4 and 10 months n = 11-14/group) and pancreatic and hepatic gene and protein expression at 4 weeks post-term (4 weeks; n = 6/group) and 12 months (12 months; n = 12-13/group). NG-Prem had higher plasma glucose concentrations than G-Prem, but not Term, at 4 months (Mean[SEM] mM: NG-Prem = 4.1[0.1]; G-Prem = 3.4[0.1]; Term = 3.7[0.1]; p = 0.003) and 10 months (NG-Prem = 3.9[0.1]; G-Prem = 3.5[0.1]; Term = 3.7[0.1]; p = 0.01). Insulin sensitivity decreased from 4 to 10 months, in NG-Prem but not in Term (Mean[SEM] µmol·ml-1·kg-1·min-1·ng-1, 4 vs. 10 months: NG-Prem = 18.7[2.5] vs. 9.5[1.5], p < 0.01; Term: 12.1[2.8] vs. 10.4[1.5], p = 0.44). At 12 months, β-cell mass in NG-Prem was reduced by 30% vs. G-Prem (p < 0.01) and 75% vs. Term (p < 0.01) and was accompanied by an increased β-cell apoptosis: proliferation ratio at 12 months. At 12 months, pancreatic glucokinase, igf2 and insulin mRNA levels were reduced 21%-71% in NG-Prem vs. G-Prem and 42%-80% vs. Term. Hepatic glut2 mRNA levels in NG-Prem were 250% of those in G-Prem and Term. Thus, induction of preterm birth without exogenous glucocorticoids more adversely affected pancreas and liver than induction with exogenous glucocorticoids. These findings do not support that ANG lead to long-term adverse metabolic effects, but support an effect of preterm birth itself.
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Natividade da Silva F, Brunetta HS, Bruxel MA, Gomes FA, Rafacho A. Impact of glucocorticoid treatment before pregnancy on glucose homeostasis of offspring exposed to glucocorticoid in adult life. Life Sci 2019; 237:116913. [DOI: 10.1016/j.lfs.2019.116913] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 09/24/2019] [Accepted: 09/24/2019] [Indexed: 12/31/2022]
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Ruiz D, Regnier SM, Kirkley AG, Hara M, Haro F, Aldirawi H, Dybala MP, Sargis RM. Developmental exposure to the endocrine disruptor tolylfluanid induces sex-specific later-life metabolic dysfunction. Reprod Toxicol 2019; 89:74-82. [PMID: 31260803 DOI: 10.1016/j.reprotox.2019.06.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 06/16/2019] [Accepted: 06/26/2019] [Indexed: 02/06/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) are implicated in the developmental mis-programming of energy metabolism. This study examined the impact of combined gestational and lactational exposure to the fungicide tolylfluanid (TF) on metabolic physiology in adult offspring. C57BL/6 J dams received standard rodent chow or the same diet containing 67 mg/kg TF. Offspring growth and metabolism were assessed up to 22 weeks of age. TF-exposed offspring exhibited reduced weaning weight. Body weight among female offspring remained low throughout the study, while male offspring matched controls by 17 weeks of age. Female offspring exhibited reduced glucose tolerance, markedly enhanced systemic insulin sensitivity, reduced adiposity, and normal gluconeogenic capacity during adulthood. In contrast, male offspring exhibited impaired glucose tolerance with unchanged insulin sensitivity, no differences in adiposity, and increased gluconeogenic capacity. These data indicate that developmental exposure to TF induces sex-specific metabolic disruptions that recapitulate key aspects of other in utero growth restriction models.
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Affiliation(s)
- Daniel Ruiz
- Committee on Molecular Metabolism and Nutrition, Chicago, IL, United States; University of Chicago, Chicago, IL, United States
| | - Shane M Regnier
- Committee on Molecular Metabolism and Nutrition, Chicago, IL, United States; Pritzker School of Medicine, Chicago, IL, United States; University of Chicago, Chicago, IL, United States
| | - Andrew G Kirkley
- Committee on Molecular Pathogenesis and Molecular Medicine, Chicago, IL, United States; University of Chicago, Chicago, IL, United States
| | - Manami Hara
- Section of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Chicago, IL, United States; University of Chicago, Chicago, IL, United States
| | - Fidel Haro
- University of Chicago, Chicago, IL, United States
| | - Hani Aldirawi
- Department of Mathematics, Statistics, and Computer Science, University of Illinois at Chicago, Chicago, IL, United States
| | - Michael P Dybala
- Section of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Chicago, IL, United States
| | - Robert M Sargis
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL, United States.
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Huber HF, Kuo AH, Li C, Jenkins SL, Gerow KG, Clarke GD, Nathanielsz PW. Antenatal Synthetic Glucocorticoid Exposure at Human Therapeutic Equivalent Doses Predisposes Middle-Age Male Offspring Baboons to an Obese Phenotype That Emerges With Aging. Reprod Sci 2019; 26:591-599. [PMID: 29871548 PMCID: PMC6728579 DOI: 10.1177/1933719118778794] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
INTRODUCTION Women threatening premature delivery receive synthetic glucocorticoids (sGC) to accelerate fetal lung maturation, reducing neonatal mortality and morbidity. Few investigations have explored potential long-term offspring side effects. We previously reported increased pericardial fat and liver lipids in 10-year-old (human equivalent 40 years) male baboons exposed to 3 antenatal sGC courses. We hypothesized middle-aged sGC male offspring show obesity-related morphometric changes. METHODS Pregnant baboons received courses of 2 betamethasone injections (175 μg·kg-1·d-1 intramuscular) at 0.6, 0.64, and 0.68 gestation. At 10 to 12.5 years, we measured morphometrics and serum lipids in 5 sGC-exposed males and 10 age-matched controls. We determined whether morphometric parameters predicted amount of pericardial fat or lipids. Life-course serum lipids were measured in 25 males (7-23 years) providing normal regression formulas to compare sGC baboons' lipid biological and chronological age. RESULTS Birth weights were similar. When studied, sGC-exposed males showed a steeper weight increase from 8 to 12 years and had increased waist and hip circumferences, neck and triceps skinfolds, and total and low-density lipoprotein cholesterol. Triceps skinfold correlated with apical and midventricular pericardial fat thickness, hip and waist circumferences with insulin. CONCLUSIONS Triceps skinfold and waist and hip circumferences are useful biomarkers for identifying individuals at risk for obesity and metabolic dysregulation following fetal sGC exposure. Prenatal sGC exposure predisposes male offspring to internal adiposity, greater body size, and increased serum lipids. Results provide further evidence for developmental programming by fetal sGC exposure and call attention to potential emergence of adverse life-course effects.
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Affiliation(s)
| | - Anderson H. Kuo
- Radiology, University of Texas Health Science Center at San Antonio, San
Antonio, TX, USA
| | - Cun Li
- Animal Science, University of Wyoming, Laramie, WY, USA
- Southwest National Primate Research Center and Texas Biomedical Research
Institute, San Antonio, TX, USA
| | | | | | - Geoffrey D. Clarke
- Radiology, University of Texas Health Science Center at San Antonio, San
Antonio, TX, USA
- Southwest National Primate Research Center and Texas Biomedical Research
Institute, San Antonio, TX, USA
| | - Peter W. Nathanielsz
- Animal Science, University of Wyoming, Laramie, WY, USA
- Southwest National Primate Research Center and Texas Biomedical Research
Institute, San Antonio, TX, USA
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Ying Z, Ge X, Zhang H, Su W, Li Y, Zhou L, Zhang L, Wang T. Effects of dietary methionine restriction on postnatal growth, insulin sensitivity, and glucose metabolism in intrauterine growth retardation pigs at 49 and 105 d of age. J Anim Sci 2019; 97:610-619. [PMID: 30508105 DOI: 10.1093/jas/sky457] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 11/28/2018] [Indexed: 12/20/2022] Open
Abstract
This study was conducted to investigate the effects of methionine restriction (MR) on growth performance, insulin sensitivity, and hepatic and muscle glucose metabolism in intrauterine growth retardation (IUGR) pigs at 49 and 105 d of age. At weaning (day 21), 30 female normal birth weight (NBW) piglets were fed control diets with adequate methionine (NBW-CON), whereas 60 female IUGR piglets were fed either the control diets (IUGR-CON) or MR diets which were 30% reduced in methionine (IUGR-MR) (n = 6 replicates (pens) with five piglets per replicate). At 49 and 105 d of age, one pig with a BW near to the mean of each replication was selected for biochemical analysis. Compared with NBW-CON pigs, IUGR-CON pigs exhibited lower relative daily gain (RDG) and homeostasis model assessment of insulin resistance (HOMA-IR) index at day 49 (P < 0.05), but higher RDG and HOMA-IR index at day 105 (P < 0.05). Hepatic phosphoenolpyruvate carboxykinase and glucose-6-phosphatase (G6Pase) activities were higher in IUGR-CON than NBW-CON pigs at both days 49 and 105 (P < 0.05), while hepatic glycogen synthase and glycogen phosphorylase activities were lower in IUGR-CON pigs at both two ages (P < 0.05). In addition, compared with NBW-CON pigs, IUGR-CON pigs (105-d old) had lower protein kinase B phosphorylation (PKB/Akt) in liver (P < 0.05), but not in muscle (P > 0.05). Compared with IUGR-CON pigs, IUGR-MR pigs had lower RDG at day 49, less blood glucose at day 105, and lower HOMA-IR index at both days 49 and 105 (P < 0.05). Additionally, compared with IUGR-CON pigs, MR decreased IUGR-MR pigs' hepatic G6Pase activities and increased their hepatic glycogen contents at day 105 (P < 0.05), as well as increased their hepatic and muscle PKB/Akt phosphorylation (P < 0.05). In conclusion, the ability of dietary MR to restrict IUGR pigs' growth and to reduce blood glucose appeared, respectively, in earlier and later period, but MR improved IUGR pigs' insulin sensitivity at both days 49 and 105.
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Affiliation(s)
- Zhixiong Ying
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Xiaoke Ge
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Hao Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Weipeng Su
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Yue Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Le Zhou
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Lili Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Tian Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
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Johnson JS, Baumgard LH. PHYSIOLOGY SYMPOSIUM: Postnatal consequences of in utero heat stress in pigs. J Anim Sci 2019; 97:962-971. [PMID: 30534960 DOI: 10.1093/jas/sky472] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 12/06/2018] [Indexed: 12/15/2022] Open
Abstract
Postnatal heat stress negatively impacts pig productivity and well-being as animals attempt to manage the resultant strain response. This is especially true when postnatal heat stress is combined with production stressors (e.g., mixing, weaning, transport, handling, and isolation) that have the potential to increase disease occurrence, morbidity and mortality. While pigs can utilize adaptive physiological mechanisms to compensate, these are often unfavorable to efficient livestock production. Specifically, postnatal heat stress decreases weight gain, reduces growth and production efficiency, alters carcass composition, and increases morbidity and mortality. Consequently, decreased animal performance constrains profitability and affects economic sustainability. In addition to the negative effects of postnatal heat stress, prenatal heat stress has long-term consequences that may compromise future piglet well-being and performance. Pigs gestated under heat stress conditions have an increased postnatal stress response and an increase in maintenance energy requirements. Furthermore, prenatal heat stress decreases swine birth weight, and increases teratogenicity, core body temperature set-point, and alters postnatal body composition (more adipose tissue and less skeletal muscle). Taken together, the effects of heat stress during pre- and postnatal pig development negatively influences productivity and well-being, a scenario that threatens the sustainability of global swine production.
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Affiliation(s)
- Jay S Johnson
- USDA-ARS Livestock Behavior Research Unit, West Lafayette, IN
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Čečmanová V, Houdek P, Šuchmanová K, Sládek M, Sumová A. Development and Entrainment of the Fetal Clock in the Suprachiasmatic Nuclei: The Role of Glucocorticoids. J Biol Rhythms 2019; 34:307-322. [PMID: 30854919 DOI: 10.1177/0748730419835360] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The adult circadian clock in the suprachiasmatic nucleus (SCN) of the hypothalamus is resilient to glucocorticoids (GCs). The fetal rodent SCN resembles that of the adult in its organization of GC-sensitive peripheral tissues. We tested the hypothesis that the fetal SCN clock is sensitive to changes in GC levels. Maternal GCs must pass through the placenta to reach the fetal SCN. We show that the maternal but not the fetal part of the placenta harbors the autonomous circadian clock, which is reset by dexamethasone (DEX) and rhythmically expresses Hsd11b2. The results suggest the presence of a mechanism for rhythmic GC passage through the placental barrier, which is adjusted according to actual GC levels. GC receptors are expressed rhythmically in the laser-dissected fetal SCN samples. We demonstrate that hypothalamic explants containing the SCN of the mPer2 Luc mouse prepared at embryonic day (E)15 spontaneously develop rhythmicity within several days of culture, with dynamics varying among fetuses from the same litter. Culturing these explants in media enriched with DEX accelerates the development. At E17, treatment of the explants with DEX induces phase advances and phase delays of the rhythms depending on the timing of treatments, and the shifts are completely blocked by the GC receptor antagonist, mifepristone. The DEX-induced phase-response curve differs from that induced by the vehicle. The fetal SCN is sensitive to GCs in vivo because DEX administration to pregnant rats acutely downregulates c-fos expression specifically in the laser-dissected fetal SCN. Our results provide evidence that the rodent fetal SCN clock may respond to changes in GC levels.
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Affiliation(s)
- Vendula Čečmanová
- Department of Neurohumoral Regulations, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Pavel Houdek
- Department of Neurohumoral Regulations, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Karolína Šuchmanová
- Department of Neurohumoral Regulations, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Martin Sládek
- Department of Neurohumoral Regulations, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Alena Sumová
- Department of Neurohumoral Regulations, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
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Montenegro YHA, de Queiroga Nascimento D, de Assis TO, Santos-Lopes SSD. The epigenetics of the hypothalamic-pituitary-adrenal axis in fetal development. Ann Hum Genet 2019; 83:195-213. [PMID: 30843189 DOI: 10.1111/ahg.12306] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 02/13/2019] [Accepted: 02/14/2019] [Indexed: 01/16/2023]
Abstract
The hypothalamic-pituitary-adrenal (HPA) axis is an important hormonal mechanism of the human body and is extremely programmable during embryonic and fetal development. Analyzing its development in this period is the key to understanding in fact how vulnerabilities of congenital diseases occur and any other changes in the phenotypic and histophysiological aspects of the fetus. The environment in which the mother is exposed during the gestational period can influence this axis. Knowing this, our objective was to analyze in recent research the possible impact of epigenetic programming on the HPA axis and its consequences for fetal development. This review brought together articles from two databases: ScienceDirect and PUBMED researched based on key words such as "epigenetics, HPA axis, cardiovascular disease, and circulatory problems" where it demonstrated full relevance in experimental and scientific settings. A total of 101 articles were selected following the criteria established by the researchers. Thus, it was possible to verify that the development of the HPA axis is directly related to changes that occur in the cardiovascular system, to the cerebral growth and other systems depending on the influence that it receives in the period of fetal formation.
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Kibirige D, Lumu W, Jones AG, Smeeth L, Hattersley AT, Nyirenda MJ. Understanding the manifestation of diabetes in sub Saharan Africa to inform therapeutic approaches and preventive strategies: a narrative review. Clin Diabetes Endocrinol 2019; 5:2. [PMID: 30783538 PMCID: PMC6376682 DOI: 10.1186/s40842-019-0077-8] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Accepted: 02/05/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Globally, the burden of diabetes mellitus has increased to epidemic proportions. Estimates from the International Diabetes Federation predict that the greatest future increase in the prevalence of diabetes mellitus will occur in Africa. METHODS This article reviews literature on the manifestation of diabetes in adult patients in sub-Saharan Africa highlighting the distinct phenotypes, plausible explanations for this unique manifestation and the clinical significance of comprehensively defining and understanding the African diabetes phenotype. RESULTS There are few studies on the manifestation or phenotype of diabetes in Africa. The limited data available suggests that, compared to the Western world, the majority of patients with diabetes in Africa are young and relatively lean in body size. In addition, hyperglycaemia in most cases is characterised by a significantly blunted acute first phase of insulin secretion in response to an oral or intravenous glucose load and pancreatic beta cell secretory dysfunction, rather than peripheral insulin resistance predominates. Genetic and environmental factors like chronic infections/inflammation, early life malnutrition and epigenetic modifications are thought to contribute to these distinct differences in manifestation. CONCLUSIONS While published data is limited, there appears to be distinct phenotypes of diabetes in sub-Saharan Africa. Large and more detailed studies are needed especially among newly diagnosed patients to fully characterize diabetes in this region. This will further improve the understanding of manifestation of diabetes and guide the formulation of optimal therapeutic approaches and preventive strategies of the condition on the continent.
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Affiliation(s)
- Davis Kibirige
- Non-Communicable Diseases Theme, Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Plot 51-59, Nakiwogo Road, P.O. BOX 49 Entebbe, Uganda
- Department of Medicine, Uganda Martyrs hospital Lubaga, Kampala, Uganda
| | - William Lumu
- Department of Medicine, Mengo Hospital, Kampala, Uganda
| | - Angus G. Jones
- National Institute for Health Research, Exeter Clinical Research Facility, University of Exeter Medical School, Exeter, UK
| | - Liam Smeeth
- Department of Non-Communicable Diseases Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
| | - Andrew T. Hattersley
- National Institute for Health Research, Exeter Clinical Research Facility, University of Exeter Medical School, Exeter, UK
| | - Moffat J. Nyirenda
- Non-Communicable Diseases Theme, Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Plot 51-59, Nakiwogo Road, P.O. BOX 49 Entebbe, Uganda
- Department of Non-Communicable Diseases Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
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Lindsay KL, Buss C, Wadhwa PD, Entringer S. The Interplay Between Nutrition and Stress in Pregnancy: Implications for Fetal Programming of Brain Development. Biol Psychiatry 2019; 85:135-149. [PMID: 30057177 PMCID: PMC6389360 DOI: 10.1016/j.biopsych.2018.06.021] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 06/04/2018] [Accepted: 06/15/2018] [Indexed: 12/17/2022]
Abstract
Growing evidence supports an important role for the intrauterine environment in shaping fetal development and subsequent child health and disease risk. The fetal brain is particularly plastic, whereby even subtle changes in structure and function produced by in utero conditions can have long-term implications. Based on the consideration that conditions related to energy substrate and likelihood of survival to reproductive age are particularly salient drivers of fetal programming, maternal nutrition and stress represent the most commonly, but independently, studied factors in this context. However, the effects of maternal nutrition and stress are context dependent and may be moderated by one another. Studies examining the effects of the bidirectional nutrition-stress interplay in pregnancy on fetal programming of brain development are beginning to emerge in the literature. This review incorporates all currently available animal and human studies of this interplay and provides a synthesis and critical discussion of findings. Nine of the 10 studies included here assessed nutrition-stress interactions and offspring neurodevelopmental or brain development outcomes. Despite significant heterogeneity in study design and methodology, two broad patterns of results emerge to suggest that the effects of prenatal stress on various aspects of brain development may be mitigated by 1) higher fat diets or increased intake and/or status of specific dietary fats and 2) higher dietary intake or supplementation of targeted nutrients. The limitations of these studies are discussed, and recommendations are provided for future research to expand on this important area of fetal programming of brain development.
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Affiliation(s)
- Karen L Lindsay
- Department of Pediatrics, University of California, Irvine, Irvine, California; UC Irvine Development, Health and Disease Research Program, University of California, Irvine, Irvine, California
| | - Claudia Buss
- Department of Pediatrics, University of California, Irvine, Irvine, California; UC Irvine Development, Health and Disease Research Program, University of California, Irvine, Irvine, California; Institute of Medical Psychology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Pathik D Wadhwa
- Department of Pediatrics, University of California, Irvine, Irvine, California; Department of Psychiatry and Human Behavior, University of California, Irvine, Irvine, California; Department of Obstetrics and Gynecology, University of California, Irvine, Irvine, California; UC Irvine Development, Health and Disease Research Program, University of California, Irvine, Irvine, California
| | - Sonja Entringer
- Department of Pediatrics, University of California, Irvine, Irvine, California; UC Irvine Development, Health and Disease Research Program, University of California, Irvine, Irvine, California; Institute of Medical Psychology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
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49
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Abstract
The prevalence of age-associated disease is increasing at a striking rate globally and there is evidence to suggest that the ageing process may actually begin before birth. It has been well-established that the status of both the maternal and early postnatal environments into which an individual is exposed can have huge implications for the risk of developing age-associated disease, including cardiovascular disease (CVD), type-2 diabetes (T2D) and obesity in later life. Therefore, the dissection of underlying molecular mechanisms to explain this phenomenon, known as 'developmental programming' is a highly investigated area of research. This book chapter will examine the epidemiological evidence and the animal models of suboptimal maternal and early postnatal environments and will discuss the progress being made in the development of safe and effective intervention strategies which ultimately could target those 'programmed' individuals who are known to be at-risk of age-associated disease.
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Affiliation(s)
- Jane L Tarry-Adkins
- University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Wellcome Trust-MRC Institute of Metabolic Science, Addenbrooke's Treatment Centre, Addenbrooke's Hospital, Cambridge, UK.
| | - Susan E Ozanne
- University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Wellcome Trust-MRC Institute of Metabolic Science, Addenbrooke's Treatment Centre, Addenbrooke's Hospital, Cambridge, UK
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50
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Goldstein JM, Hale T, Foster SL, Tobet SA, Handa RJ. Sex differences in major depression and comorbidity of cardiometabolic disorders: impact of prenatal stress and immune exposures. Neuropsychopharmacology 2019; 44:59-70. [PMID: 30030541 PMCID: PMC6235859 DOI: 10.1038/s41386-018-0146-1] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 06/15/2018] [Accepted: 06/21/2018] [Indexed: 12/11/2022]
Abstract
Major depressive disorder topped ischemic heart disease as the number one cause of disability worldwide in 2012, and women have twice the risk of men. Further, the comorbidity of depression and cardiometabolic disorders will be one of the primary causes of disability worldwide by 2020, with women at twice the risk. Thus, understanding the sex-dependent comorbidities has public health consequences worldwide. We propose here that sex differences in MDD-cardiometabolic comorbidity originate, in part, from pathogenic processes initiated in fetal development that involve sex differences in shared pathophysiology between the brain, the vascular system, the CNS control of the heart and associated hormonal, immune, and metabolic physiology. Pathways implicate neurotrophic and angiogenic growth factors, gonadal hormone receptors, and neurotransmitters such as gamma amino butyric acid (GABA) on neuronal and vascular development of HPA axis regions, such as the paraventricular nucleus (PVN), in addition to blood pressure, in part through the renin-angiotensin system, and insulin and glucose metabolism. We show that the same prenatal exposures have consequences for sex differences across multiple organ systems that, in part, share common pathophysiology. Thus, we believe that applying a sex differences lens to understanding shared biologic substrates underlying these comorbidities will provide novel insights into the development of sex-dependent therapeutics. Further, taking a lifespan perspective beginning in fetal development provides the opportunity to target abnormalities early in the natural history of these disorders in a sex-dependent way.
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Affiliation(s)
- Jill M Goldstein
- Departments of Psychiatry and Obstetrics and Gynecology, Massachusetts General Hospital (MGH), Boston, MA, 02120, USA.
- Departments of Psychiatry and Medicine, Harvard Medical School, Boston, MA, USA.
| | - Taben Hale
- Department of Basic Medical Science, University of Arizona College of Medicine - Phoenix, Phoenix, AZ, 85004, USA
| | - Simmie L Foster
- Department of Psychiatry, Harvard Medical School, at Massachusetts General Hospital, Boston, MA, USA
| | - Stuart A Tobet
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, 80523, USA
| | - Robert J Handa
- Department of Basic Medical Science, University of Arizona College of Medicine - Phoenix, Phoenix, AZ, 85004, USA
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA
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