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White MR, Yates DT. Dousing the flame: reviewing the mechanisms of inflammatory programming during stress-induced intrauterine growth restriction and the potential for ω-3 polyunsaturated fatty acid intervention. Front Physiol 2023; 14:1250134. [PMID: 37727657 PMCID: PMC10505810 DOI: 10.3389/fphys.2023.1250134] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 08/14/2023] [Indexed: 09/21/2023] Open
Abstract
Intrauterine growth restriction (IUGR) arises when maternal stressors coincide with peak placental development, leading to placental insufficiency. When the expanding nutrient demands of the growing fetus subsequently exceed the capacity of the stunted placenta, fetal hypoxemia and hypoglycemia result. Poor fetal nutrient status stimulates greater release of inflammatory cytokines and catecholamines, which in turn lead to thrifty growth and metabolic programming that benefits fetal survival but is maladaptive after birth. Specifically, some IUGR fetal tissues develop enriched expression of inflammatory cytokine receptors and other signaling cascade components, which increases inflammatory sensitivity even when circulating inflammatory cytokines are no longer elevated after birth. Recent evidence indicates that greater inflammatory tone contributes to deficits in skeletal muscle growth and metabolism that are characteristic of IUGR offspring. These deficits underlie the metabolic dysfunction that markedly increases risk for metabolic diseases in IUGR-born individuals. The same programming mechanisms yield reduced metabolic efficiency, poor body composition, and inferior carcass quality in IUGR-born livestock. The ω-3 polyunsaturated fatty acids (PUFA) are diet-derived nutraceuticals with anti-inflammatory effects that have been used to improve conditions of chronic systemic inflammation, including intrauterine stress. In this review, we highlight the role of sustained systemic inflammation in the development of IUGR pathologies. We then discuss the potential for ω-3 PUFA supplementation to improve inflammation-mediated growth and metabolic deficits in IUGR offspring, along with potential barriers that must be considered when developing a supplementation strategy.
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Affiliation(s)
| | - Dustin T. Yates
- Stress Physiology Laboratory, Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE, United States
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2
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Mižíková I, Thébaud B. Perinatal origins of bronchopulmonary dysplasia-deciphering normal and impaired lung development cell by cell. Mol Cell Pediatr 2023; 10:4. [PMID: 37072570 PMCID: PMC10113423 DOI: 10.1186/s40348-023-00158-2] [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: 06/30/2022] [Accepted: 03/26/2023] [Indexed: 04/20/2023] Open
Abstract
Bronchopulmonary dysplasia (BPD) is a multifactorial disease occurring as a consequence of premature birth, as well as antenatal and postnatal injury to the developing lung. BPD morbidity and severity depend on a complex interplay between prenatal and postnatal inflammation, mechanical ventilation, and oxygen therapy as well as associated prematurity-related complications. These initial hits result in ill-explored aberrant immune and reparative response, activation of pro-fibrotic and anti-angiogenic factors, which further perpetuate the injury. Histologically, the disease presents primarily by impaired lung development and an arrest in lung microvascular maturation. Consequently, BPD leads to respiratory complications beyond the neonatal period and may result in premature aging of the lung. While the numerous prenatal and postnatal stimuli contributing to BPD pathogenesis are relatively well known, the specific cell populations driving the injury, as well as underlying mechanisms are still not well understood. Recently, an effort to gain a more detailed insight into the cellular composition of the developing lung and its progenitor populations has unfold. Here, we provide an overview of the current knowledge regarding perinatal origin of BPD and discuss underlying mechanisms, as well as novel approaches to study the perturbed lung development.
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Affiliation(s)
- I Mižíková
- Experimental Pulmonology, Department of Pediatrics and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
| | - B Thébaud
- Sinclair Centre for Regenerative Medicine, Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
- Department of Pediatrics, Children's Hospital of Eastern Ontario (CHEO), CHEO Research Institute, University of Ottawa, Ottawa, ON, Canada
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3
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Wang D, Guan H, Xia Y. YTHDC1 maintains trophoblasts function by promoting degradation of m6A-modified circMPP1. Biochem Pharmacol 2023; 210:115456. [PMID: 36780989 DOI: 10.1016/j.bcp.2023.115456] [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: 10/15/2022] [Revised: 02/07/2023] [Accepted: 02/09/2023] [Indexed: 02/13/2023]
Abstract
N6-methyladenosine (m6A) is the most abundant mRNA internal modification in eukaryotic mRNAs. This study focuses on the effect of circMPP1 on placental villi function and the molecular mechanism. First, differentially expressed circular RNAs (circRNAs) in placenta tissues of large-for-gestational-age(LGA) neonates were screened by m6A-circRNA Epitranscriptomic Microarray and bioinformatics analyses. The abnormal expression of circMPP1 in placental tissues and cell lines was validated by RT-qPCR. In-vitro and in-vivo functional experiments were performed to evaluate the role of circMPP1 in placental impairment and fetal dysplasia. The interacting proteins of circMPP1 were identified and validated using RNA pull-down, RNA immunoprecipitation, fluorescence in situ hybridization, and immunofluorescence experiments. Protein interactions and expression levels were detected by Co-immunoprecipitation and western blot analysis. The m6A modification in circMPP1 was verified by methylated RNA immunoprecipitation assay. Bioinformatics analyses showed that circMPP1 was highly expressed in tissues with disordered placental function. In-vitro and in-vivo functional experiments showed that circMPP1 inhibited the function of placental villi. Further mechanism analyses showed that circMPP1 activated the NF-kappa B and MAPK3 signaling pathways. In addition, the m6A "reader" protein YTHDC1 was found to reduce circMPP1 expression via m6A modification. In conclusion, this study demonstrates that YTHDC1 maintains trophoblasts function by promoting degradation of m6A-mediated circMPP1.
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Affiliation(s)
- Dan Wang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Hongbo Guan
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110001, Liaoning Province, China.
| | - Yajun Xia
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
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4
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Selle J, Bohl K, Höpker K, Wilke R, Dinger K, Kasper P, Abend B, Schermer B, Müller RU, Kurschat C, Nüsken KD, Nüsken E, Meyer D, Savai Pullamsetti S, Schumacher B, Dötsch J, Alcazar MAA. Perinatal Obesity Sensitizes for Premature Kidney Aging Signaling. Int J Mol Sci 2023; 24:ijms24032508. [PMID: 36768831 PMCID: PMC9916864 DOI: 10.3390/ijms24032508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 12/08/2022] [Accepted: 12/18/2022] [Indexed: 01/31/2023] Open
Abstract
Chronic Kidney Disease (CKD), a global health burden, is strongly associated with age-related renal function decline, hypertension, and diabetes, which are all frequent consequences of obesity. Despite extensive studies, the mechanisms determining susceptibility to CKD remain insufficiently understood. Clinical evidence together with prior studies from our group showed that perinatal metabolic disorders after intrauterine growth restriction or maternal obesity adversely affect kidney structure and function throughout life. Since obesity and aging processes converge in similar pathways we tested if perinatal obesity caused by high-fat diet (HFD)-fed dams sensitizes aging-associated mechanisms in kidneys of newborn mice. The results showed a marked increase of γH2AX-positive cells with elevated 8-Oxo-dG (RNA/DNA damage), both indicative of DNA damage response and oxidative stress. Using unbiased comprehensive transcriptomics we identified compartment-specific differentially-regulated signaling pathways in kidneys after perinatal obesity. Comparison of these data to transcriptomic data of naturally aged kidneys and prematurely aged kidneys of genetic modified mice with a hypomorphic allele of Ercc1, revealed similar signatures, e.g., inflammatory signaling. In a biochemical approach we validated pathways of inflammaging in the kidneys after perinatal obesity. Collectively, our initial findings demonstrate premature aging-associated processes as a consequence of perinatal obesity that could determine the susceptibility for CKD early in life.
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Affiliation(s)
- Jaco Selle
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Katrin Bohl
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Katja Höpker
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Rebecca Wilke
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Katharina Dinger
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Philipp Kasper
- Department of Gastroenterology and Hepatology, University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Bastian Abend
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Bernhard Schermer
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Roman-Ulrich Müller
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Christine Kurschat
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Kai-Dietrich Nüsken
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Eva Nüsken
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - David Meyer
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Soni Savai Pullamsetti
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), 61231 Bad Nauheim, Germany
- Institute for Lung Health (ILH), Universities of Gießen and Marburg Lung Centre (UGMLC), Cardiopulmonary Institute (CPI), Member of the German Center of Lung Research (DZL), 35392 Gießen, Germany
| | - Björn Schumacher
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Jörg Dötsch
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Miguel A. Alejandre Alcazar
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Institute for Lung Health (ILH), Universities of Gießen and Marburg Lung Centre (UGMLC), Cardiopulmonary Institute (CPI), Member of the German Center of Lung Research (DZL), 35392 Gießen, Germany
- Correspondence: ; Tel.: +49-221-478-96876; Fax: +49-221-478-46868
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5
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Selle J, Dinger K, Jentgen V, Zanetti D, Will J, Georgomanolis T, Vohlen C, Wilke R, Kojonazarov B, Klymenko O, Mohr J, V Koningsbruggen-Rietschel S, Rhodes CJ, Ulrich A, Hirani D, Nestler T, Odenthal M, Mahabir E, Nayakanti S, Dabral S, Wunderlich T, Priest J, Seeger W, Dötsch J, Pullamsetti SS, Alejandre Alcazar MA. Maternal and perinatal obesity induce bronchial obstruction and pulmonary hypertension via IL-6-FoxO1-axis in later life. Nat Commun 2022; 13:4352. [PMID: 35896539 PMCID: PMC9329333 DOI: 10.1038/s41467-022-31655-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/22/2022] [Indexed: 02/06/2023] Open
Abstract
Obesity is a pre-disposing condition for chronic obstructive pulmonary disease, asthma, and pulmonary arterial hypertension. Accumulating evidence suggests that metabolic influences during development can determine chronic lung diseases (CLD). We demonstrate that maternal obesity causes early metabolic disorder in the offspring. Here, interleukin-6 induced bronchial and microvascular smooth muscle cell (SMC) hyperproliferation and increased airway and pulmonary vascular resistance. The key anti-proliferative transcription factor FoxO1 was inactivated via nuclear exclusion. These findings were confirmed using primary SMC treated with interleukin-6 and pharmacological FoxO1 inhibition as well as genetic FoxO1 ablation and constitutive activation. In vivo, we reproduced the structural and functional alterations in offspring of obese dams via the SMC-specific ablation of FoxO1. The reconstitution of FoxO1 using IL-6-deficient mice and pharmacological treatment did not protect against metabolic disorder but prevented SMC hyperproliferation. In human observational studies, childhood obesity was associated with reduced forced expiratory volume in 1 s/forced vital capacity ratio Z-score (used as proxy for lung function) and asthma. We conclude that the interleukin-6-FoxO1 pathway in SMC is a molecular mechanism by which perinatal obesity programs the bronchial and vascular structure and function, thereby driving CLD development. Thus, FoxO1 reconstitution provides a potential therapeutic option for preventing this metabolic programming of CLD.
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Affiliation(s)
- Jaco Selle
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Katharina Dinger
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Vanessa Jentgen
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Daniela Zanetti
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | - Johannes Will
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Theodoros Georgomanolis
- Faculty of Medicine and University Hospital Cologne, Cologne Center for Genomics (CCG), University of Cologne, Cologne, Germany
| | - Christina Vohlen
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
- Institute for Lung Health (ILH), University of Giessen and Marburg Lung Centre (UGMLC), Member of the German Centre for Lung Research (DZL), Gießen, Germany
| | - Rebecca Wilke
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Baktybek Kojonazarov
- Institute for Lung Health (ILH), University of Giessen and Marburg Lung Centre (UGMLC), Member of the German Centre for Lung Research (DZL), Gießen, Germany
| | - Oleksiy Klymenko
- Institute for Lung Health (ILH), University of Giessen and Marburg Lung Centre (UGMLC), Member of the German Centre for Lung Research (DZL), Gießen, Germany
| | - Jasmine Mohr
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Silke V Koningsbruggen-Rietschel
- Faculty of Medicine and University Hospital Cologne, Pediatric Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Christopher J Rhodes
- National Heart and Lung Institute, Hammersmith Campus, Imperial College London, London, UK
| | - Anna Ulrich
- National Heart and Lung Institute, Hammersmith Campus, Imperial College London, London, UK
| | - Dharmesh Hirani
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Institute for Lung Health (ILH), University of Giessen and Marburg Lung Centre (UGMLC), Member of the German Centre for Lung Research (DZL), Gießen, Germany
| | - Tim Nestler
- Faculty of Medicine and University Hospital Cologne, Institute of Pathology, University of Cologne, Cologne, Germany
| | - Margarete Odenthal
- Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Institute of Pathology, University of Cologne, Cologne, Germany
| | - Esther Mahabir
- Faculty of Medicine and University Hospital Cologne, Comparative Medicine, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Sreenath Nayakanti
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Swati Dabral
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Thomas Wunderlich
- Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Max-Planck-Institute for Metabolism Research, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Cologne Excellence Cluster for Stress Responses in Ageing-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - James Priest
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Werner Seeger
- Institute for Lung Health (ILH), University of Giessen and Marburg Lung Centre (UGMLC), Member of the German Centre for Lung Research (DZL), Gießen, Germany
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
- Department of Internal Medicine, German Center for Lung Research (DZL), Cardio-Pulmonary Institute (CPI), Justus Liebig University, Giessen, Germany
| | - Jörg Dötsch
- Faculty of Medicine and University Hospital Cologne, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany
| | - Soni S Pullamsetti
- Institute for Lung Health (ILH), University of Giessen and Marburg Lung Centre (UGMLC), Member of the German Centre for Lung Research (DZL), Gießen, Germany
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
- Department of Internal Medicine, German Center for Lung Research (DZL), Cardio-Pulmonary Institute (CPI), Justus Liebig University, Giessen, Germany
| | - Miguel A Alejandre Alcazar
- Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics-Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany.
- Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany.
- Institute for Lung Health (ILH), University of Giessen and Marburg Lung Centre (UGMLC), Member of the German Centre for Lung Research (DZL), Gießen, Germany.
- Faculty of Medicine and University Hospital Cologne, Cologne Excellence Cluster for Stress Responses in Ageing-Associated Diseases (CECAD), University of Cologne, Cologne, Germany.
- Department of Internal Medicine, German Center for Lung Research (DZL), Cardio-Pulmonary Institute (CPI), Justus Liebig University, Giessen, Germany.
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6
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Wang KCW, James AL, Noble PB. Fetal Growth Restriction and Asthma: Is the Damage Done? Physiology (Bethesda) 2021; 36:256-266. [PMID: 34159809 DOI: 10.1152/physiol.00042.2020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Trajectories of airway remodeling and functional impairment in asthma are consistent with the notion that airway pathology precedes or coincides with the onset of asthma symptoms and may be present at birth. An association between intrauterine growth restriction (IUGR) and asthma development has also been established, and there is value in understanding the underlying mechanism. This review considers airway pathophysiology as a consequence of IUGR that increases susceptibility to asthma.
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Affiliation(s)
- Kimberley C W Wang
- School of Human Sciences, The University of Western Australia, Crawley, Western Australia, Australia.,Telethon Kids Institute, The University of Western Australia, Nedlands, Western Australia, Australia
| | - Alan L James
- Department of Pulmonary Physiology and Sleep Medicine, West Australian Sleep Disorders Research Institute, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia.,Medical School, The University of Western Australia, Nedlands, Western Australia, Australia
| | - Peter B Noble
- School of Human Sciences, The University of Western Australia, Crawley, Western Australia, Australia
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7
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Kuiper-Makris C, Selle J, Nüsken E, Dötsch J, Alejandre Alcazar MA. Perinatal Nutritional and Metabolic Pathways: Early Origins of Chronic Lung Diseases. Front Med (Lausanne) 2021; 8:667315. [PMID: 34211985 PMCID: PMC8239134 DOI: 10.3389/fmed.2021.667315] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 05/12/2021] [Indexed: 12/12/2022] Open
Abstract
Lung development is not completed at birth, but expands beyond infancy, rendering the lung highly susceptible to injury. Exposure to various influences during a critical window of organ growth can interfere with the finely-tuned process of development and induce pathological processes with aberrant alveolarization and long-term structural and functional sequelae. This concept of developmental origins of chronic disease has been coined as perinatal programming. Some adverse perinatal factors, including prematurity along with respiratory support, are well-recognized to induce bronchopulmonary dysplasia (BPD), a neonatal chronic lung disease that is characterized by arrest of alveolar and microvascular formation as well as lung matrix remodeling. While the pathogenesis of various experimental models focus on oxygen toxicity, mechanical ventilation and inflammation, the role of nutrition before and after birth remain poorly investigated. There is accumulating clinical and experimental evidence that intrauterine growth restriction (IUGR) as a consequence of limited nutritive supply due to placental insufficiency or maternal malnutrition is a major risk factor for BPD and impaired lung function later in life. In contrast, a surplus of nutrition with perinatal maternal obesity, accelerated postnatal weight gain and early childhood obesity is associated with wheezing and adverse clinical course of chronic lung diseases, such as asthma. While the link between perinatal nutrition and lung health has been described, the underlying mechanisms remain poorly understood. There are initial data showing that inflammatory and nutrient sensing processes are involved in programming of alveolarization, pulmonary angiogenesis, and composition of extracellular matrix. Here, we provide a comprehensive overview of the current knowledge regarding the impact of perinatal metabolism and nutrition on the lung and beyond the cardiopulmonary system as well as possible mechanisms determining the individual susceptibility to CLD early in life. We aim to emphasize the importance of unraveling the mechanisms of perinatal metabolic programming to develop novel preventive and therapeutic avenues.
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Affiliation(s)
- Celien Kuiper-Makris
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics—Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Jaco Selle
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics—Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Eva Nüsken
- Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Jörg Dötsch
- Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Miguel A. Alejandre Alcazar
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics—Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Excellence Cluster on Stress Responses in Aging-associated Diseases (CECAD), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Member of the German Centre for Lung Research (DZL), Institute for Lung Health, University of Giessen and Marburg Lung Centre (UGMLC), Gießen, Germany
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8
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Looi K, Kicic A, Noble PB, Wang KCW. Intrauterine growth restriction predisposes to airway inflammation without disruption of epithelial integrity in postnatal male mice. J Dev Orig Health Dis 2021; 12:496-504. [PMID: 32799948 DOI: 10.1017/s2040174420000744] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Evidence from animal models demonstrate that intrauterine growth restriction (IUGR) alters airway structure and function which may affect susceptibility to disease. Airway inflammation and dysregulated epithelial barrier properties are features of asthma which have not been examined in the context of IUGR. This study used a maternal hypoxia-induced IUGR mouse model to assess lung-specific and systemic inflammation and airway epithelial tight junctions (TJs) protein expression. Pregnant BALB/c mice were housed under hypoxic conditions (10.5% O2) from gestational day (GD) 11 to 17.5 (IUGR group; term, GD 21). Following hypoxic exposure, mice were returned to a normoxic environment (21% O2). A Control group was housed under normoxic conditions throughout pregnancy. Offspring weights were recorded at 2 and 8 weeks of age and euthanized for bronchoalveolar lavage (BAL) and peritoneal cavity fluid collection for inflammatory cells counts. From a separate group of mice, right lungs were collected for Western blotting of TJs proteins. IUGR offspring had greater inflammatory cells in the BAL fluid but not in peritoneal fluid compared with Controls. At 8 weeks of age, interleukin (IL)-2, IL-13, and eotaxin concentrations were higher in male IUGR compared with male Control offspring but not in females. IUGR had no effect on TJs protein expression. Maternal hypoxia-induced IUGR increases inflammatory cells in the BAL fluid of IUGR offspring with no difference in TJs protein expression. Increased cytokine release, specific to the lungs of IUGR male offspring, indicates that both IUGR and sex can influence susceptibility to airway disease.
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Affiliation(s)
- Kevin Looi
- Telethon Kids Institute, The University of Western Australia, Crawley, WA6009, Australia
- School of Public Health, Curtin University, Bentley, WA6102, Australia
| | - Anthony Kicic
- Telethon Kids Institute, The University of Western Australia, Crawley, WA6009, Australia
- School of Public Health, Curtin University, Bentley, WA6102, Australia
- Faculty of Health and Medical Science, The University of Western Australia, Crawley, WA6009, Australia
- Department of Respiratory and Sleep Medicine, Perth Children's Hospital, Nedlands, WA6009, Australia
- Centre for Cell Therapy and Regenerative Medicine, The University of Western Australia, Crawley, WA6009, Australia
| | - Peter B Noble
- School of Human Sciences, The University of Western Australia, Crawley, WA6009, Australia
| | - Kimberley C W Wang
- Telethon Kids Institute, The University of Western Australia, Crawley, WA6009, Australia
- School of Human Sciences, The University of Western Australia, Crawley, WA6009, Australia
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9
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Acmaz G, Ozdemir F, Sahin E, Sahin ME, Madendag Y, Demir TB, Karakas E, Muderris II, Nisari M, Bayraktar E. Adverse fetal outcomes in patients with IUGR are related with fetal diaphragm evaluation parameters. Paediatr Respir Rev 2021; 37:48-53. [PMID: 32819832 DOI: 10.1016/j.prrv.2020.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/14/2020] [Accepted: 07/21/2020] [Indexed: 11/18/2022]
Abstract
INTRODUCTION The aim of the present study was to evaluate the relationship between diaphragmatic thickness, during both inspiratory (DTI) and expiratory (DTE) stages; diaphragmatic excursion (DE); diaphragm thickening fraction (DTF); and adverse fetal outcomes in pregnant women with intrauterine growth restriction (IUGR). MATERIALS AND METHODS A total of 77 participants were included in this case-control study. The case group was diagnosed as having both symmetric and asymmetric IUGR (n = 39). The control group included gestational age (GA)-matched healthy pregnant women (n = 38). DTI, DTE, DE (reflecting the capability of diaphragmatic movement during the respiratory cycle), and DTF were analyzed. RESULTS Maternal demographic characteristics were similar between groups. DTI and DTE were significantly lower in the IUGR group compared to the control group (p < 0.001 and p < 0.001). DE was similar between the groups (p = 0.07). Additionally, in the IUGR group, DTI, DTE, and DE were significantly altered in newborns that required treatment in the neonatal intensive care unit (NICU). ROC curve analysis determined that the DTI cut-off was 1.36 for NICU admission with 78% sensitivity and 100% specificity. DTE cut-off was 1.195 for NICU admission with 78% sensitivity and 96% specificity. DE cut-off was 4.25 for NICU admission with 71% sensitivity and 80% specificity. CONCLUSION Measurement of DTI, DTE and DE may help clinicians to predict whether newborns with IUGR would require NICU hospitalization.
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Affiliation(s)
- Gokhan Acmaz
- Erciyes University Medicine Facility, Obstetrics and Gynecology Department, Turkey.
| | - Fatma Ozdemir
- Erciyes University Medicine Facility, Obstetrics and Gynecology Department, Turkey
| | - Erdem Sahin
- Erciyes University Medicine Facility, Obstetrics and Gynecology Department, Turkey
| | - Mefkure Eraslan Sahin
- Kayseri Training and Research Hospital, Obstetrics and Gynecology Department, Turkey
| | - Yusuf Madendag
- Erciyes University Medicine Facility, Obstetrics and Gynecology Department, Turkey
| | - Tugce Baykara Demir
- Erciyes University Medicine Facility, Obstetrics and Gynecology Department, Turkey
| | - Erol Karakas
- Erciyes University Medicine Facility, Obstetrics and Gynecology Department, Turkey
| | | | - Mustafa Nisari
- Nuh Naci Yazgan University Health Science Facility, Department of Nutrition and Dietetics, Turkey
| | - Evrim Bayraktar
- Erciyes University Health Science Facility, Department of Midwifery, Turkey
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10
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Mendelian randomization and experimental IUGR reveal the adverse effect of low birth weight on lung structure and function. Sci Rep 2020; 10:22395. [PMID: 33372189 PMCID: PMC7769986 DOI: 10.1038/s41598-020-79245-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 12/03/2020] [Indexed: 11/17/2022] Open
Abstract
Intrauterine growth restriction (IUGR) and low birth weigth (LBW) are risk factors for neonatal chronic lung disease. However, maternal and fetal genetic factors and the molecular mechanisms remain unclear. We investigated the relationship between LBW and lung function with Mendelian randomisation analyses and studied angiogenesis in a low protein diet rat model of IUGR. Our data indicate a possible association between LBW and reduced FEV1 (p = 5.69E−18, MR-PRESSO) and FVC (6.02E-22, MR-PRESSO). Complimentary, we demonstrated two-phased perinatal programming after IUGR. The intrauterine phase (embryonic day 21) is earmarked by a reduction of endothelial cell markers (e.g. CD31) as well as mRNA expression of angiogenic factors (e.g., Vegfa, Flt1, Klf4). Protein analysis identified an activation of anti-angiogenic mTOR effectors. In the postnatal phase, lung capillaries (< 20 µm) were significantly reduced, expression of CD31 and VE-Cadherin were unaffected, whereas SMAD1/5/8 signaling and Klf4 protein were increased (p < 0.01). Moreover, elevated proteolytic activity of MMP2 and MMP9 was linked to a 50% reduction of lung elastic fibres. In conclusion, we show a possible link of LBW in humans and reduced lung function in adulthood. Experimental IUGR identifies an intrauterine phase with inhibition of angiogenic signaling, and a postnatal phase with proteolytic activity and reduced elastic fibres.
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11
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Dinger K, Koningsbruggen-Rietschel SV, Dötsch J, Alejandre Alcazar MA. Identification of Critical Windows of Metabolic Programming of Metabolism and Lung Function in Male Offspring of Obese Dams. Clin Transl Sci 2020; 13:1065-1070. [PMID: 32598577 PMCID: PMC7719392 DOI: 10.1111/cts.12811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 04/14/2020] [Indexed: 12/02/2022] Open
Abstract
Perinatal nutritional determinants known as metabolic programming could be either detrimental or protective. Maternal obesity in the perinatal period determines susceptibility for diseases, such as obesity, metabolic disorders, and lung disease. Although this adverse metabolic programming is well‐recognized, the critical developmental window for susceptibility risk remains elusive. Thus, we aimed to define the vulnerable window for impaired lung function after maternal obesity; and to test if dietary intervention protects. First, we studied the impact of high‐fat diet (HFD)‐induced maternal obesity during intrauterine (HFDiu), postnatal (HFDpost), or perinatal (i.e., intrauterine and postnatal (HFDperi) phase on body weight, white adipose tissue (WAT), glucose tolerance, and airway resistance. Although HFDiu, HFDpost, and HFDperi induced overweight in the offspring, only HFDperi and HFDiu led to increased WAT in the offspring early in life. This early‐onset adiposity was linked to impaired glucose tolerance in HFDperi‐offspring. Interestingly, these metabolic findings in HFDperi‐offspring, but not in HFDiu‐offspring and HFDpost‐offspring, were linked to persistent adiposity and increased airway resistance later in life. Second, we tested if the withdrawal of a HFD immediately after conception protects from early‐onset metabolic changes by maternal obesity. Indeed, we found a protection from early‐onset overweight, but not from impaired glucose tolerance and increased airway resistance. Our study identified critical windows for metabolic programming of susceptibility to impaired lung function, highlighting thereby windows of opportunity for prevention.
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Affiliation(s)
- Katharina Dinger
- Translational Experimental Pediatrics - Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Silke V Koningsbruggen-Rietschel
- Pediatric Pulmonology, Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Jörg Dötsch
- Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Miguel A Alejandre Alcazar
- Translational Experimental Pediatrics - Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany.,Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
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12
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Polányi L, Niessen CM, Vohlen C, Stinn J, Kretschmer T, Jentgen V, Hirani D, Koningsbruggen-Rietschel SV, Dötsch J, Alejandre Alcazar MA. Intrauterine growth restriction induces skin inflammation, increases TSLP and impairs epidermal barrier function. J Mol Med (Berl) 2020; 98:279-289. [PMID: 31912169 DOI: 10.1007/s00109-019-01867-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 11/21/2019] [Accepted: 12/06/2019] [Indexed: 12/29/2022]
Abstract
Intrauterine growth restriction (IUGR) and low birth weight are risk factors for childhood asthma. Atopic march describes the progression from early dermatitis to asthma during life. Since inflammatory signaling is linked to increased airway resistance and lung remodeling in rats after IUGR, we queried if these findings are related to skin inflammatory response. Firstly, we induced IUGR in Wistar rats by isocaloric protein restriction during gestation. IUGR rats showed lower body weight at postnatal day 1 (P1), catch-up growth at P21, and similar body weight like controls at P90. At P1 and P90, mRNA of inflammatory as well as fibrotic markers and number of skin immune cells (macrophages) were increased after IUGR. Skin thymic stromal lymphopoietin (TSLP) mRNA at P1 and serum TSLP at P1 and P21 were elevated in IUGR. Moreover, IUGR impaired transepidermal water loss at P21 and P90. IUGR induced higher. Secondly, the increase of TEWL after Oxazolone treatment as a model of atopic dermatitis (AD) was greater in IUGR than in Co. Our data demonstrate an early inflammatory skin response, which is linked to persistent macrophage infiltration in the skin and impaired epidermal barrier function after IUGR. These findings coupled with elevated TSLP could underlie atopic diseases in rats after IUGR. KEY MESSAGES: • The present study shows that IUGR increases macrophage infiltration and induces an inflammatory and fibrotic gene expression pattern in the skin of newborn rats. • Early postnatal inflammatory response in the skin after IUGR is followed by impaired epidermal barrier function later in life. • IUGR aggravates transepidermal water loss in an experimental atopic dermatitis model, possibly through elevated TSLP in skin and serum. • Early anti-inflammatory treatment and targeting TSLP signaling could offer novel avenues for early prevention of atopic disorders and late asthma in high-risk infants.
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Affiliation(s)
- Laura Polányi
- Department of Pediatrics and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics, Experimental Pulmonology, University of Cologne, Kerpener Strasse 62, D-50937, Cologne, Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Carien M Niessen
- Department of Dermatology, Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Christina Vohlen
- Department of Pediatrics and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics, Experimental Pulmonology, University of Cologne, Kerpener Strasse 62, D-50937, Cologne, Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Julia Stinn
- Department of Dermatology, Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Tobias Kretschmer
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Vanessa Jentgen
- Department of Pediatrics and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics, Experimental Pulmonology, University of Cologne, Kerpener Strasse 62, D-50937, Cologne, Germany
| | - Dharmesh Hirani
- Center of Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | | | - Jörg Dötsch
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Miguel A Alejandre Alcazar
- Department of Pediatrics and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, Translational Experimental Pediatrics, Experimental Pulmonology, University of Cologne, Kerpener Strasse 62, D-50937, Cologne, Germany. .,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany. .,Center of Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
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13
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Will JP, Hirani D, Thielen F, Klein F, Vohlen C, Dinger K, Dötsch J, Alejandre Alcázar MA. Strain-dependent effects on lung structure, matrix remodeling, and Stat3/Smad2 signaling in C57BL/6N and C57BL/6J mice after neonatal hyperoxia. Am J Physiol Regul Integr Comp Physiol 2019; 317:R169-R181. [PMID: 31067073 DOI: 10.1152/ajpregu.00286.2018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Bronchopulmonary dysplasia (BPD) is a chronic lung disease of preterm infants, characterized by lung growth arrest and matrix remodeling. Various animal models provide mechanistic insights in the pathogenesis of BPD. Since there is increasing evidence that genetic susceptibility modifies the response to lung injury, we investigated strain-dependent effects in hyperoxia (HYX)-induced lung injury of newborn mice. To this end, we exposed newborn C57BL/6N and C57BL/6J mice to 85% O2 (HYX) or normoxia (NOX; 21% O2) for 28 days, followed by lung excision for histological and molecular measurements. BL/6J-NOX mice exhibited a lower body and lung weight than BL/6N-NOX mice; hyperoxia reduced body weight in both strains and increased lung weight only in BL/6J-HYX mice. Quantitative histomorphometric analyses revealed reduced alveolar formation in lungs of both strains after HYX, but the effect was greater in BL/6J-HYX mice than BL/6N-HYX mice. Septal thickness was lower in BL/6J-NOX mice than BL/6N-NOX mice but increased in both strains after HYX. Elastic fiber density was significantly greater in BL/6J-HYX mice than BL/6N-HYX mice. Lungs of BL/6J-HYX mice were protected from changes in gene expression of fibrillin-1, fibrillin-2, fibulin-4, fibulin-5, and surfactant proteins seen in BL/6N-HYX mice. Finally, Stat3 was activated by HYX in both strains; in contrast, activation of Smad2 was markedly greater in lungs of BL/6N mice than BL/6J mice after HYX. In summary, we demonstrate strain-dependent differences in lung structure and matrix, alveolar epithelial cell markers, and Smad2 (transforming growth factor β) signaling in neonatal HYX-induced lung injury. Strain-dependent effects and genetic susceptibility need be taken into consideration for reproducibility and reliability of results in animal models.
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Affiliation(s)
- Johannes P Will
- Department of Pediatrics, Translational Experimental Pediatrics, Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany
| | - Dharmesh Hirani
- Department of Pediatrics, Translational Experimental Pediatrics, Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Center of Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Florian Thielen
- Department of Pediatrics, Translational Experimental Pediatrics, Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany
| | - Fabian Klein
- Department of Pediatrics, Translational Experimental Pediatrics, Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany
| | - Christina Vohlen
- Department of Pediatrics, Translational Experimental Pediatrics, Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany
| | - Katharina Dinger
- Department of Pediatrics, Translational Experimental Pediatrics, Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany
| | - Jörg Dötsch
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany
| | - Miguel A Alejandre Alcázar
- Department of Pediatrics, Translational Experimental Pediatrics, Experimental Pulmonology, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne , Cologne , Germany.,Center of Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
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14
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Nawabi J, Vohlen C, Dinger K, Thangaratnarajah C, Klaudt C, Lopez Garcia E, Hirani DV, Karakaya PH, Macheleidt I, Odenthal M, Nüsken KD, Dötsch J, Alejandre Alcazar MA. Novel functional role of GH/IGF-I in neonatal lung myofibroblasts and in rat lung growth after intrauterine growth restriction. Am J Physiol Lung Cell Mol Physiol 2018; 315:L623-L637. [PMID: 30047284 DOI: 10.1152/ajplung.00413.2017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Intrauterine growth restriction (IUGR) is a risk factor for neonatal chronic lung disease (CLD) characterized by reduced alveoli and perturbed matrix remodeling. Previously, our group showed an activation of myofibroblasts and matrix remodeling in rat lungs after IUGR. Because growth hormone (GH) and insulin-like growth factor I (IGF-I) regulate development and growth, we queried 1) whether GH/IGF-I signaling is dysregulated in lungs after IUGR and 2) whether GH/IGF-I signaling is linked to neonatal lung myofibroblast function. IUGR was induced in Wistar rats by isocaloric low-protein diet during gestation. Lungs were obtained at embryonic day (E) 21, postnatal day (P) 3, P12, and P23. Murine embryonic fibroblasts (MEF) or primary neonatal myofibroblasts from rat lungs of control (pnFCo) and IUGR (pnFIUGR) were used for cell culture studies. In the intrauterine phase (E21), we found a reduction in GH receptor (GH-R), Stat5 signaling and IGF-I expression in lungs after IUGR. In the postnatal phase (P3-P23), catchup growth after IUGR was linked to increased GH mRNA, GH-R protein, activation of proliferative Stat5/Akt signaling, cyclin D1 and PCNA in rat lungs. On P23, a thickening of the alveolar septae was related to increased vimentin and matrix deposition, indicating fibrosis. In cell culture studies, nutrient deprivation blocked GH-R/IGF-IR signaling and proliferation in MEFs; this was reversed by IGF-I. Proliferation and Stat5 activation were increased in pnFIUGR. IGF-I and GH induced proliferation and migration of pnFCo; only IGF-I had these effects on pnFIUGR. Thus, we show a novel mechanism by which the GH/IGF-I axis in lung myofibroblasts could account for structural lung changes after IUGR.
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Affiliation(s)
- Jawed Nawabi
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Christina Vohlen
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany.,University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany.,Center for Molecular Medicine of Cologne, University of Cologne , Cologne , Germany
| | - Katharina Dinger
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Chansutha Thangaratnarajah
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Christian Klaudt
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Eva Lopez Garcia
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Dharmesh V Hirani
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany.,Center for Molecular Medicine of Cologne, University of Cologne , Cologne , Germany
| | - Pinar Haznedar Karakaya
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Iris Macheleidt
- Center for Molecular Medicine of Cologne, University of Cologne , Cologne , Germany.,Institute for Pathology, University Hospital of Cologne , Cologne , Germany
| | - Margarete Odenthal
- Center for Molecular Medicine of Cologne, University of Cologne , Cologne , Germany.,Institute for Pathology, University Hospital of Cologne , Cologne , Germany
| | - Kai D Nüsken
- University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Jörg Dötsch
- University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany
| | - Miguel A Alejandre Alcazar
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany.,University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne , Cologne , Germany.,Center for Molecular Medicine of Cologne, University of Cologne , Cologne , Germany
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15
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Soo JY, Orgeig S, McGillick EV, Zhang S, McMillen IC, Morrison JL. Normalisation of surfactant protein -A and -B expression in the lungs of low birth weight lambs by 21 days old. PLoS One 2017; 12:e0181185. [PMID: 28949968 PMCID: PMC5614422 DOI: 10.1371/journal.pone.0181185] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 06/27/2017] [Indexed: 11/18/2022] Open
Abstract
Intrauterine growth restriction (IUGR) induced by placental restriction (PR) in the sheep negatively impacts lung and pulmonary surfactant development during fetal life. Using a sheep model of low birth weight (LBW), we found that there was an increase in mRNA expression of surfactant protein (SP)-A, -B and -C in the lung of LBW lambs but no difference in the protein expression of SP-A or -B. LBW also resulted in increased lysosome-associated membrane glycoprotein (LAMP)-3 mRNA expression, which may indicate an increase in either the density of type II Alveolar epithelial cells (AEC) or maturity of type II AECs. Although there was an increase in glucocorticoid receptor (GR) and 11β-hydroxysteroid dehydrogenase (11βHSD)-1 mRNA expression in the lung of LBW lambs, we found no change in the protein expression of these factors, suggesting that the increase in SP mRNA expression is not mediated by increased GC signalling in the lung. The increase in SP mRNA expression may, in part, be mediated by persistent alterations in hypoxia signalling as there was an increase in lung HIF-2α mRNA expression in the LBW lamb. The changes in the hypoxia signalling pathway that persist within the lung after birth may be involved in maintaining SP production in the LBW lamb.
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Affiliation(s)
- Jia Yin Soo
- Early Origins of Adult Health Research Group, School of Pharmacy & Medical Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide, SA, Australia
| | - Sandra Orgeig
- Molecular & Evolutionary Physiology of the Lung Laboratory, School of Pharmacy & Medical Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide, SA, Australia
| | - Erin Victoria McGillick
- Early Origins of Adult Health Research Group, School of Pharmacy & Medical Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide, SA, Australia
- Molecular & Evolutionary Physiology of the Lung Laboratory, School of Pharmacy & Medical Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide, SA, Australia
| | - Song Zhang
- Early Origins of Adult Health Research Group, School of Pharmacy & Medical Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide, SA, Australia
| | - I Caroline McMillen
- Early Origins of Adult Health Research Group, School of Pharmacy & Medical Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide, SA, Australia
| | - Janna L. Morrison
- Early Origins of Adult Health Research Group, School of Pharmacy & Medical Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide, SA, Australia
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16
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Thangaratnarajah C, Dinger K, Vohlen C, Klaudt C, Nawabi J, Lopez Garcia E, Kwapiszewska G, Dobner J, Nüsken KD, van Koningsbruggen-Rietschel S, von Hörsten S, Dötsch J, Alejandre Alcázar MA. Novel role of NPY in neuroimmune interaction and lung growth after intrauterine growth restriction. Am J Physiol Lung Cell Mol Physiol 2017; 313:L491-L506. [PMID: 28572154 DOI: 10.1152/ajplung.00432.2016] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 05/02/2017] [Accepted: 05/26/2017] [Indexed: 01/21/2023] Open
Abstract
Individuals with intrauterine growth restriction (IUGR) are at risk for chronic lung disease. Using a rat model, we showed in our previous studies that altered lung structure is related to IL-6/STAT3 signaling. As neuropeptide Y (NPY), a coneurotransmitter of the sympathetic nervous system, regulates proliferation and immune response, we hypothesized that dysregulated NPY after IUGR is linked to IL-6, impaired myofibroblast function, and alveolar growth. IUGR was induced in rats by isocaloric low-protein diet; lungs were analyzed on embryonic day (E) 21, postnatal day (P) 3, P12, and P23. Finally, primary neonatal lung myofibroblasts (pnF) and murine embryonic fibroblasts (MEF) were used to assess proliferation, apoptosis, migration, and IL-6 expression. At E21, NPY and IL-6 expression was decreased, and AKT/PKC and STAT3/AMPKα signaling was reduced. Early reduction of NPY/IL-6 was associated with increased chord length in lungs after IUGR at P3, indicating reduced alveolar formation. At P23, however, IUGR rats exhibited a catch-up of body weight and alveolar growth coupled with more proliferating myofibroblasts. These structural findings after IUGR were linked to activated NPY/PKC, IL-6/AMPKα signaling. Complementary, IUGR-pnF showed increased survival, impaired migration, and reduced IL-6 compared with control-pnF (Co-pnF). In contrast, NPY induced proliferation, migration, and increased IL-6 synthesis in fibroblasts. Additionally, NPY-/- mice showed reduced IL-6 signaling and less proliferation of lung fibroblasts. Our study presents a novel role of NPY during alveolarization: NPY regulates 1) IL-6 and lung STAT3/AMPKα signaling, and 2) proliferation and migration of myofibroblasts. These new insights in pulmonary neuroimmune interaction offer potential strategies to enable lung growth.
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Affiliation(s)
- Chansutha Thangaratnarajah
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Katharina Dinger
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Christina Vohlen
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany.,University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Christian Klaudt
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Jawed Nawabi
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Eva Lopez Garcia
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | | | - Julia Dobner
- Experimental Therapy, Preclinical Centre, University Hospital Erlangen, Erlangen, Germany
| | - Kai D Nüsken
- University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Silke van Koningsbruggen-Rietschel
- Pediatric Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany; and
| | - Stephan von Hörsten
- Experimental Therapy, Preclinical Centre, University Hospital Erlangen, Erlangen, Germany
| | - Jörg Dötsch
- University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Miguel A Alejandre Alcázar
- Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany; .,University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
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17
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Dinger K, Kasper P, Hucklenbruch-Rother E, Vohlen C, Jobst E, Janoschek R, Bae-Gartz I, van Koningsbruggen-Rietschel S, Plank C, Dötsch J, Alejandre Alcázar MA. Early-onset obesity dysregulates pulmonary adipocytokine/insulin signaling and induces asthma-like disease in mice. Sci Rep 2016; 6:24168. [PMID: 27087690 PMCID: PMC4834579 DOI: 10.1038/srep24168] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 03/22/2016] [Indexed: 12/30/2022] Open
Abstract
Childhood obesity is a risk factor for asthma, but the molecular mechanisms linking both remain elusive. Since obesity leads to chronic low-grade inflammation and affects metabolic signaling we hypothesized that postnatal hyperalimentation (pHA) induced by maternal high-fat-diet during lactation leads to early-onset obesity and dysregulates pulmonary adipocytokine/insulin signaling, resulting in metabolic programming of asthma-like disease in adult mice. Offspring with pHA showed at postnatal day 21 (P21): (1) early-onset obesity, greater fat-mass, increased expression of IL-1β, IL-23, and Tnf-α, greater serum leptin and reduced glucose tolerance than Control (Ctrl); (2) less STAT3/AMPKα-activation, greater SOCS3 expression and reduced AKT/GSK3β-activation in the lung, indicative of leptin resistance and insulin signaling, respectively; (3) increased lung mRNA of IL-6, IL-13, IL-17A and Tnf-α. At P70 body weight, fat-mass, and cytokine mRNA expression were similar in the pHA and Ctrl, but serum leptin and IL-6 were greater, and insulin signaling and glucose tolerance impaired. Peribronchial elastic fiber content, bronchial smooth muscle layer, and deposition of connective tissue were not different after pHA. Despite unaltered bronchial structure mice after pHA exhibited significantly increased airway reactivity. Our study does not only demonstrate that early-onset obesity transiently activates pulmonary adipocytokine/insulin signaling and induces airway hyperreactivity in mice, but also provides new insights into metabolic programming of childhood obesity-related asthma.
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Affiliation(s)
- Katharina Dinger
- Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Philipp Kasper
- Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Eva Hucklenbruch-Rother
- Metabolism and Perinatal Programming, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Christina Vohlen
- Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany.,Metabolism and Perinatal Programming, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Eva Jobst
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Erlangen, Germany
| | - Ruth Janoschek
- Metabolism and Perinatal Programming, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Inga Bae-Gartz
- Metabolism and Perinatal Programming, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Silke van Koningsbruggen-Rietschel
- Pediatric Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Christian Plank
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Erlangen, Germany
| | - Jörg Dötsch
- University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Miguel Angel Alejandre Alcázar
- Experimental Pulmonology, University Hospital for Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
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18
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Allison BJ, Hooper SB, Coia E, Zahra VA, Jenkin G, Malhotra A, Sehgal A, Kluckow M, Gill AW, Sozo F, Miller SL, Polglase GR. Ventilation-induced lung injury is not exacerbated by growth restriction in preterm lambs. Am J Physiol Lung Cell Mol Physiol 2016; 310:L213-23. [DOI: 10.1152/ajplung.00328.2015] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Accepted: 11/23/2015] [Indexed: 11/22/2022] Open
Abstract
Intrauterine growth restriction (IUGR) and preterm birth are frequent comorbidities and, combined, increase the risk of adverse respiratory outcomes compared with that in appropriately grown (AG) infants. Potential underlying reasons for this increased respiratory morbidity in IUGR infants compared with AG infants include altered fetal lung development, fetal lung inflammation, increased respiratory requirements, and/or increased ventilation-induced lung injury. IUGR was surgically induced in preterm fetal sheep (0.7 gestation) by ligation of a single umbilical artery. Four weeks later, preterm lambs were euthanized at delivery or delivered and ventilated for 2 h before euthanasia. Ventilator requirements, lung inflammation, early markers of lung injury, and morphological changes in lung parenchymal and vascular structure and surfactant composition were analyzed. IUGR preterm lambs weighed 30% less than AG preterm lambs, with increased brain-to-body weight ratio, indicating brain sparing. IUGR did not induce lung inflammation or injury or alter lung parenchymal and vascular structure compared with AG fetuses. IUGR and AG lambs had similar oxygenation and respiratory requirements after birth and had significant, but similar, increases in proinflammatory cytokine expression, lung injury markers, gene expression, and surfactant phosphatidylcholine species compared with unventilated controls. IUGR does not induce pulmonary structural changes in our model. Furthermore, IUGR and AG preterm lambs have similar ventilator requirements in the immediate postnatal period. This study suggests that increased morbidity and mortality in IUGR infants is not due to altered lung tissue or vascular structure, or to an altered response to early ventilation.
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Affiliation(s)
- Beth J. Allison
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, Victoria, Australia
| | - Stuart B. Hooper
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, Victoria, Australia
| | - Elise Coia
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
| | - Valerie A. Zahra
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
| | - Graham Jenkin
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, Victoria, Australia
| | - Atul Malhotra
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Monash Newborn, Monash Medical Centre, and Department of Pediatrics, Monash University, Melbourne, Victoria, Australia
| | - Arvind Sehgal
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Monash Newborn, Monash Medical Centre, and Department of Pediatrics, Monash University, Melbourne, Victoria, Australia
| | - Martin Kluckow
- Department of Neonatology, Royal North Shore Hospital and University of Sydney, Sydney, New South Wales, Australia
| | - Andrew W. Gill
- Centre for Neonatal Research and Education, The University of Western Australia, Western Australia, Australia; and
| | - Foula Sozo
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia
| | - Suzanne L. Miller
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, Victoria, Australia
| | - Graeme R. Polglase
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, Victoria, Australia
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19
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Alejandre Alcazar MA, Kaschwich M, Preuss S, Ertsey R, Mujahid S, Rother E, Dinger K, Dötsch J, Rabinovitch M, Bland R. Pursuing novel molecular mechanisms and treatment strategies to enhance lung growth in neonatal chronic lung disease (CLD). Mol Cell Pediatr 2015. [PMCID: PMC4715030 DOI: 10.1186/2194-7791-2-s1-a30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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20
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Alcázar MAA, Dinger K, Rother E, Östreicher I, Vohlen C, Plank C, Dötsch J. Prevention of early postnatal hyperalimentation protects against activation of transforming growth factor-β/bone morphogenetic protein and interleukin-6 signaling in rat lungs after intrauterine growth restriction. J Nutr 2014; 144:1943-51. [PMID: 25411031 DOI: 10.3945/jn.114.197657] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Intrauterine growth restriction (IUGR) is intimately linked with postnatal catch-up growth, leading to impaired lung structure and function. However, the impact of catch-up growth induced by early postnatal hyperalimentation (HA) on the lung has not been addressed to date. OBJECTIVE The aim of this study was to investigate whether prevention of HA subsequent to IUGR protects the lung from 1) deregulation of the transforming growth factor-β(TGF-β)/bone morphogenetic protein (BMP) pathway, 2) activation of interleukin (IL)-6 signaling, and 3) profibrotic processes. METHODS IUGR was induced in Wistar rats by isocaloric protein restriction during gestation by feeding a control (Co) or a low-protein diet with 17% or 8% casein, respectively. On postnatal day 1 (P1), litters from both groups were randomly reduced to 6 pups per dam to induce HA or adjusted to 10 pups and fed with standard diet: Co, Co with HA (Co-HA), IUGR, and IUGR with HA (IUGR-HA). RESULTS Birth weights in rats after IUGR were lower than in Co rats (P < 0.05). HA during lactation led to accelerated body weight gain from P1 to P23 (Co vs. Co-HA, IUGR vs. IUGR-HA; P < 0.05). At P70, prevention of HA after IUGR protected against the following: 1) activation of both TGF-β [phosphorylated SMAD (pSMAD) 2; plasminogen activator inhibitor 1 (Pai1)] and BMP signaling [pSMAD1; inhibitor of differentiation (Id1)] compared with Co (P < 0.05) and Co or IUGR (P < 0.05) rats, respectively; 2) greater mRNA expression of interleukin (Il) 6 and Il13 (P < 0.05) as well as activation of signal transducer and activator of transcription 3 (STAT3) signaling (P < 0.05) after IUGR-HA; and 3) greater gene expression of collagen Iα1 and osteopontin (P < 0.05) and increased deposition of bronchial subepithelial connective tissue in IUGR-HA compared with Co and IUGR rats. Moreover, HA had a significant additive effect (P < 0.05) on the increased enhanced pause (indicator of airway resistance) in the IUGR group (P < 0.05) at P70. CONCLUSIONS This study demonstrates a dual mechanism in IUGR-associated lung disease that is 1) IUGR-dependent and 2) HA-mediated and thereby offers new avenues to develop innovative preventive strategies for perinatal programming of adult lung diseases.
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Affiliation(s)
| | - Katharina Dinger
- Department of Pediatrics and Adolescent Medicine, University of Cologne, Cologne, Germany; and
| | - Eva Rother
- Department of Pediatrics and Adolescent Medicine, University of Cologne, Cologne, Germany; and
| | - Iris Östreicher
- Department of Pediatrics and Adolescent Medicine, University of Erlangen, Erlangen, Germany
| | - Christina Vohlen
- Department of Pediatrics and Adolescent Medicine, University of Cologne, Cologne, Germany; and
| | - Christian Plank
- Department of Pediatrics and Adolescent Medicine, University of Erlangen, Erlangen, Germany
| | - Jörg Dötsch
- Department of Pediatrics and Adolescent Medicine, University of Cologne, Cologne, Germany; and
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21
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Zana-Taïeb E, Aubelle MS, El Ayoubi M, Lopez E, Jarreau PH. [Intrauterine growth retardation and lung development]. Arch Pediatr 2013; 20:1053-8. [PMID: 23886868 DOI: 10.1016/j.arcped.2013.06.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Accepted: 06/19/2013] [Indexed: 10/26/2022]
Abstract
Epidemiological studies have shown that intrauterine growth restriction is associated with increased respiratory morbidity in the neonatal period with an increased risk of bronchopulmonary dysplasia. Respiratory consequences of environmental intrauterine changes extend into childhood and adulthood with abnormal lung function tests. In animal models, changes in surfactant and alveolarization disorders vary from one study to another. Moreover, the molecular mechanisms involved are poorly understood. Fetal adaptations to intrauterine malnutrition result in permanent changes in lung structure, raising the question of lung "programming".
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Affiliation(s)
- E Zana-Taïeb
- Service de médecine et réanimation néonatales de Port-Royal, hôpitaux universitaires Paris Centre, 53, avenue de l'Observatoire, 75014 Paris, France.
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