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Song Y, Yang C. Mechanistic advances of hyperoxia-induced immature brain injury. Heliyon 2024; 10:e30005. [PMID: 38694048 PMCID: PMC11058899 DOI: 10.1016/j.heliyon.2024.e30005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/11/2024] [Accepted: 04/18/2024] [Indexed: 05/03/2024] Open
Abstract
The impact of hyperoxia-induced brain injury in preterm infants is being increasingly investigated. However, the parameters and protocols used to study this condition in animal models lack consistency. Research is further hampered by the fact that hyperoxia exerts both direct and indirect effects on oligodendrocytes and neurons, with the precise underlying mechanisms remaining unclear. In this article, we aim to provide a comprehensive overview of the conditions used to induce hyperoxia in animal models of immature brain injury. We discuss what is known regarding the mechanisms underlying hyperoxia-induced immature brain injury, focusing on the effects on oligodendrocytes and neurons, and briefly describe therapies that may counteract the effects of hyperoxia. We also identify further studies required to fully elucidate the effects of hyperoxia on the immature brain as well as discuss the leading therapeutic options.
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Affiliation(s)
- Yue Song
- Department of Pediatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu 610500, Sichuan Province, China
- Department of Clinical Medicine, The Chengdu Medical College, Chengdu 610500, Sichuan Province, China
| | - Changqiang Yang
- Department of Cardiology, The First Affiliated Hospital of Chengdu Medical College, Chengdu 610500, Sichuan Province, China
- Department of Clinical Medicine, The Chengdu Medical College, Chengdu 610500, Sichuan Province, China
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2
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Costescu OC, Manea AM, Boia ER, Cioboata DM, Doandes FM, Enatescu I, Costescu S, Prodan M, Boia M. Early Postnatal Administration of Erythropoietin and Its Association with Neurodevelopmental Outcomes and Incidence of Intraventricular Hemorrhage and Hypoxic-Ischemic Encephalopathy: A Four-Week Observational Study. Pediatr Rep 2024; 16:339-352. [PMID: 38804373 PMCID: PMC11130859 DOI: 10.3390/pediatric16020030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 04/19/2024] [Accepted: 04/26/2024] [Indexed: 05/29/2024] Open
Abstract
This study aimed to investigate the impact of early erythropoietin (EPO) administration on the neurodevelopment of newborns, specifically focusing on its effects on hypoxic-ischemic encephalopathy (HIE) and intraventricular hemorrhage (IVH). The primary objective was to determine whether early EPO administration could impact the short-term neurodevelopmental outcomes and provide safety in neonates at risk for neurodevelopmental disorders. Conducted at the "Louis Turcanu" Children's Emergency Clinical Hospital in Timisoara, Romania, this observational study included 121 neonates receiving EPO and 130 No EPO controls. EPO was administered within the first 48 h of life, with doses of 1000 U/kg that escalated to 2000 U/kg if necessary. Besides observing the occurrence of IVH and HIE, this study measured clinical and biochemical markers, including LDH, blood glucose, urea, creatinine, CPK, CRP, PCT, and erythropoietin levels alongside hematology and coagulation profiles. There were no significant differences in baseline characteristics between the groups. The EPO group showed significant reductions in LDH levels from days 1-3 to 7-10 (695.0 U/L to 442.0 U/L) and the APTT value (54.0 s) compared with the No EPO group (38.0 s). Notably, early EPO administration was associated with a significant decrease in HIE severity (beta coefficient: -0.38, p = 0.001). Additionally, lower gestational ages and hemoglobin levels correlated with increased severity of HIE. By week four, there was a significant reduction in moderate and severe HIE cases in the EPO group compared with controls (p = 0.001). Early administration of EPO in neonates significantly reduced the severity of IVH and HIE, suggesting its potential as a neuroprotective agent in neonatal care.
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Affiliation(s)
- Oana Cristina Costescu
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (O.C.C.); (D.M.C.); (F.M.D.); (I.E.); (M.B.)
- Doctoral School, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, No. 2, 300041 Timisoara, Romania;
| | - Aniko Maria Manea
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (O.C.C.); (D.M.C.); (F.M.D.); (I.E.); (M.B.)
| | - Eugen Radu Boia
- ENT Department, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, No. 2, 300041 Timisoara, Romania;
| | - Daniela Mariana Cioboata
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (O.C.C.); (D.M.C.); (F.M.D.); (I.E.); (M.B.)
- Doctoral School, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, No. 2, 300041 Timisoara, Romania;
| | - Florina Marinela Doandes
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (O.C.C.); (D.M.C.); (F.M.D.); (I.E.); (M.B.)
| | - Ileana Enatescu
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (O.C.C.); (D.M.C.); (F.M.D.); (I.E.); (M.B.)
| | - Sergiu Costescu
- Department of Obstetrics and Gynecology, “Victor Babes” University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania;
- Department of Obstetrics and Gynecology, Oravita City Hospital, 325600 Oravita, Romania
| | - Mihaela Prodan
- Doctoral School, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, No. 2, 300041 Timisoara, Romania;
| | - Marioara Boia
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (O.C.C.); (D.M.C.); (F.M.D.); (I.E.); (M.B.)
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Zhu L, Yuan Q, Jing C, Sun L, Jiang L. Angiogenic responses are enhanced by recombinant human erythropoietin in a model of periventricular white matter damage of neonatal rats through EPOR-ERK1 signaling. J Neuropathol Exp Neurol 2024; 83:161-167. [PMID: 38263262 PMCID: PMC10880070 DOI: 10.1093/jnen/nlae001] [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: 01/25/2024] Open
Abstract
Recombinant human erythropoietin (rh-EPO) has been shown to stimulate neurogenesis and angiogenesis, both of which play crucial roles in the repair of brain injuries. Previously, we observed that rh-EPO treatment effectively reduced brain damage and enhanced angiogenesis in a neonatal rat model of periventricular white matter damage (PWMD). The objective of this research is to investigate the specific mechanism through which rh-EPO regulates angiogenesis following PWMD in premature neonates. We conducted experiments utilizing a neonatal PWMD model. Following rh-EPO treatment, the levels of erythropoietin receptor (EPOR) were found to be increased in the damaged brain of rats. Although the total amount of extracellular signal-regulated kinase (ERK), a downstream protein in the EPO signaling pathway, remained unchanged, there was clear upregulation of phosphorylated ERK1 (p-ERK1) levels. The increase in levels of p-ERK1 was inhibited by an ERK kinase inhibitor, while the total amount of ERK remained unchanged. Conversely, the levels of EPOR were not affected by the inhibitor. Notably, the introduction of rh-EPO led to a significant increase in the frequency of angiogenesis-related cells and the expression levels of angiogenic factors. However, these effects were nullified when the ERK pathway was blocked. These findings indicate that rh-EPO enhances angiogenic responses through the EPOR-ERK1 pathway in a neonatal PWMD model.
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Affiliation(s)
- Lihua Zhu
- Department of Clinical Medicine, Jiangsu Health Vocational College, Nanjing 211800, China
| | - Qichao Yuan
- Department of Pediatrics, Danyang People’s Hospital Affiliate of Nantong University, Danyang 212300, China
| | - Chunping Jing
- Department of Pediatrics, Danyang People’s Hospital Affiliate of Nantong University, Danyang 212300, China
| | - Lingxian Sun
- Department of Clinical Medicine, Jiangsu Health Vocational College, Nanjing 211800, China
| | - Li Jiang
- Department of Pediatrics, Zhongda Hospital, Southeast University, Nanjing 210009, China
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Xue-Jiao H, Jian-Hua F. A review of the effects of early postnatal hyperoxia exposure on the immature brain. Exp Neurol 2023; 370:114550. [PMID: 37774766 DOI: 10.1016/j.expneurol.2023.114550] [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: 07/25/2023] [Revised: 09/17/2023] [Accepted: 09/25/2023] [Indexed: 10/01/2023]
Abstract
Preterm birth is a public health priority worldwide, with approximately 15 million premature babies born each year. Oxygen supplementation is one of the most common interventions for preterm infants. However, prolonged oxygen inhalation at supraphysiological concentrations can lead to the development of bronchopulmonary dysplasia (BPD). In addition to lifelong pulmonary sequelae, clinical evidence suggests that BPD is associated with adverse neurodevelopmental outcomes, such as motor impairment, cognitive impairment, and behavioral deficits, severely affecting the quality of life of preterm infants. However, the mechanisms underlying the combination of neurodevelopmental impairment with BPD remain unclear. Therefore, in recent years, attention has also been focused on the effects of hyperoxia on brain development in preterm infants. In this review, we outline the pathophysiological mechanisms of brain injury caused by developmental hyperoxia exposure in current animal models and briefly describe the pharmacological therapies that may be applicable to the associated brain injury. Overall, more studies are needed to assess the effects of hyperoxia on the immature brain, particularly combined analyses of the lungs and brain in the same experimental setting, to elucidate the potential causes of combined neurodevelopmental impairment in BPD.
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Affiliation(s)
- Huang Xue-Jiao
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Fu Jian-Hua
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China.
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Muttathukunnel P, Wälti M, Aboouf MA, Köster-Hegmann C, Haenggi T, Gassmann M, Pannzanelli P, Fritschy JM, Schneider Gasser EM. Erythropoietin regulates developmental myelination in the brain stimulating postnatal oligodendrocyte maturation. Sci Rep 2023; 13:19522. [PMID: 37945644 PMCID: PMC10636124 DOI: 10.1038/s41598-023-46783-9] [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: 07/21/2023] [Accepted: 11/05/2023] [Indexed: 11/12/2023] Open
Abstract
Myelination is a process tightly regulated by a variety of neurotrophic factors. Here, we show-by analyzing two transgenic mouse lines, one overexpressing EPO selectively in the brain Tg21(PDGFB-rhEPO) and another with targeted removal of EPO receptors (EPORs) from oligodendrocyte progenitor cells (OPC)s (Sox10-cre;EpoRfx/fx mice)-a key function for EPO in regulating developmental brain myelination. Overexpression of EPO resulted in faster postnatal brain growth and myelination, an increased number of myelinating oligodendrocytes, faster axonal myelin ensheathment, and improved motor coordination. Conversely, targeted ablation of EPORs from OPCs reduced the number of mature oligodendrocytes and impaired motor coordination during the second postnatal week. Furthermore, we found that EPORs are transiently expressed in the subventricular zone (SVZ) during the second postnatal week and EPO increases the postnatal expression of essential oligodendrocyte pro-differentiation and pro-maturation (Nkx6.2 and Myrf) transcripts, and the Nfatc2/calcineurin pathway. In contrast, ablation of EPORs from OPCs inactivated the Erk1/2 pathway and reduced the postnatal expression of the transcripts. Our results reveal developmental time windows in which EPO therapies could be highly effective for stimulating oligodendrocyte maturation and myelination.
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Affiliation(s)
- Paola Muttathukunnel
- Institute of Pharmacology and Toxicology, University of Zürich, 8057, Zürich, Switzerland
- Center for Neuroscience Zurich (ZNZ), Zurich, Switzerland
| | - Michael Wälti
- Institute of Pharmacology and Toxicology, University of Zürich, 8057, Zürich, Switzerland
| | - Mostafa A Aboouf
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zürich, 8057, Zurich, Switzerland
- Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, 8057, Zurich, Switzerland
- Department of Biochemistry, Faculty of Pharmacy, Ain Shams University, Cairo, 11566, Egypt
| | - Christina Köster-Hegmann
- Institute of Pharmacology and Toxicology, University of Zürich, 8057, Zürich, Switzerland
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zürich, 8057, Zurich, Switzerland
| | - Tatjana Haenggi
- Institute of Pharmacology and Toxicology, University of Zürich, 8057, Zürich, Switzerland
| | - Max Gassmann
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zürich, 8057, Zurich, Switzerland
- Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, 8057, Zurich, Switzerland
| | - Patrizia Pannzanelli
- Rita Levi Montalcini Center for Brain Repair, University of Turin, 10126, Turin, Italy
| | - Jean-Marc Fritschy
- Institute of Pharmacology and Toxicology, University of Zürich, 8057, Zürich, Switzerland
- Center for Neuroscience Zurich (ZNZ), Zurich, Switzerland
| | - Edith M Schneider Gasser
- Institute of Pharmacology and Toxicology, University of Zürich, 8057, Zürich, Switzerland.
- Center for Neuroscience Zurich (ZNZ), Zurich, Switzerland.
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zürich, 8057, Zurich, Switzerland.
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Robinson S, Winer JL, Kitase Y, Brigman JL, Jantzie LL. Neonatal administration of erythropoietin attenuates cognitive deficits in adult rats following placental insufficiency. J Neurosci Res 2022; 100:2112-2126. [PMID: 33611820 PMCID: PMC10097461 DOI: 10.1002/jnr.24815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 01/29/2021] [Accepted: 02/04/2021] [Indexed: 01/07/2023]
Abstract
Preterm birth is a principal cause of neurological disability later in life, including cognitive and behavioral deficits. Notably, cognitive impairment has greater impact on quality of life than physical disability. Survivors of preterm birth commonly have deficits of executive function. Difficulties with tasks and planning complexity correlate positively with increasing disability. To overcome these barriers for children born preterm, preclinical and clinical studies have emphasized the importance of neurorestoration. Erythropoietin (EPO) is a endogenous cytokine with multiple beneficial mechanisms of action following perinatal brain injury. While most preclinical investigations have focused on pathology and molecular mechanisms, translational studies of repair using clinically viable biobehavioral biomarkers are still lacking. Here, using an established model of encephalopathy of prematurity secondary to placental insufficiency, we tested the hypothesis that administration of EPO in the neonatal period would attenuate deficits in recognition memory and cognitive flexibility in adult rats of both sexes. We assessed cognition and executive function in two ways. First, using the classic test of novel object recognition and second, using a touchscreen platform. Touchscreen testing allows for rigorous testing of cognition and executive function in preclinical and clinical scenarios. Data show that adult rats exhibit deficits in recognition memory and cognitive flexibility following in utero placental insufficiency. Notably, neonatal treatment of EPO attenuates these deficits in adulthood and facilitates functional repair. Together, these data validate EPO neurorestoration using a clinically relevant outcome measure and support the concept that postnatal treatment following in utero injury can improve cognition and executive function through adulthood.
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Affiliation(s)
- Shenandoah Robinson
- Division of Pediatric Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jesse L Winer
- Division of Pediatric Neurosurgery, Oregon Health and Science University, Portland, OR, USA
| | - Yuma Kitase
- Division of Neonatal-Perinatal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jonathan L Brigman
- Department of Neuroscience, University of New Mexico School of Medicine, Albuquerque, NM, USA
| | - Lauren L Jantzie
- Division of Pediatric Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Division of Neonatal-Perinatal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Kennedy Krieger Institute, Baltimore, MD, USA
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Coliță D, Coliță CI, Hermann DM, Coliță E, Doeppner TR, Udristoiu I, Popa-Wagner A. Therapeutic Use and Chronic Abuse of CNS Stimulants and Anabolic Drugs. Curr Issues Mol Biol 2022; 44:4902-4920. [PMID: 36286048 PMCID: PMC9600088 DOI: 10.3390/cimb44100333] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/29/2022] Open
Abstract
The available evidence suggests that affective disorders, such as depression and anxiety, increase risk for accelerated cognitive decline and late-life dementia in aging individuals. Behavioral neuropsychology studies also showed that cognitive decline is a central feature of aging impacting the quality of life. Motor deficits are common after traumatic brain injuries and stroke, affect subjective well-being, and are linked with reduced quality of life. Currently, restorative therapies that target the brain directly to restore cognitive and motor tasks in aging and disease are available. However, the very same drugs used for therapeutic purposes are employed by athletes as stimulants either to increase performance for fame and financial rewards or as recreational drugs. Unfortunately, most of these drugs have severe side effects and pose a serious threat to the health of athletes. The use of performance-enhancing drugs by children and teenagers has increased tremendously due to the decrease in the age of players in competitive sports and the availability of various stimulants in many forms and shapes. Thus, doping may cause serious health-threatening conditions including, infertility, subdural hematomas, liver and kidney dysfunction, peripheral edema, cardiac hypertrophy, myocardial ischemia, thrombosis, and cardiovascular disease. In this review, we focus on the impact of doping on psychopathological disorders, cognition, and depression. Occasionally, we also refer to chronic use of therapeutic drugs to increase physical performance and highlight the underlying mechanisms. We conclude that raising awareness on the health risks of doping in sport for all shall promote an increased awareness for healthy lifestyles across all generations.
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Affiliation(s)
- Daniela Coliță
- Doctoral School, University of Medicine and Pharmacy “Carol Davila”, 020276 Bucharest, Romania
| | - Cezar-Ivan Coliță
- Doctoral School, University of Medicine and Pharmacy “Carol Davila”, 020276 Bucharest, Romania
- Correspondence: (C.-I.C.); (I.U.); (A.P.-W.)
| | - Dirk M. Hermann
- Chair of Vascular Neurology, Dementia and Ageing, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Eugen Coliță
- Doctoral School, University of Medicine and Pharmacy “Carol Davila”, 020276 Bucharest, Romania
| | - Thorsten R. Doeppner
- Department of Neurology, University Medical Center Göttingen, 37075 Gottingen, Germany
- Department of Neurology, University Hospital Giessen, 35394 Giessen, Germany
| | - Ion Udristoiu
- Department of Psychiatry, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
- Correspondence: (C.-I.C.); (I.U.); (A.P.-W.)
| | - Aurel Popa-Wagner
- Chair of Vascular Neurology, Dementia and Ageing, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
- Department of Psychiatry, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
- Correspondence: (C.-I.C.); (I.U.); (A.P.-W.)
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Perinatal Hyperoxia and Developmental Consequences on the Lung-Brain Axis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5784146. [PMID: 35251477 PMCID: PMC8894035 DOI: 10.1155/2022/5784146] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 01/04/2022] [Indexed: 12/12/2022]
Abstract
Approximately 11.1% of all newborns worldwide are born preterm. Improved neonatal intensive care significantly increased survival rates over the last decades but failed to reduce the risk for the development of chronic lung disease (i.e., bronchopulmonary dysplasia (BPD)) and impaired neurodevelopment (i.e., encephalopathy of prematurity (EoP)), two major long-term sequelae of prematurity. Premature infants are exposed to relative hyperoxia, when compared to physiological in-utero conditions and, if needed to additional therapeutic oxygen supplementation. Both are associated with an increased risk for impaired organ development. Since the detrimental effects of hyperoxia on the immature retina are known for many years, lung and brain have come into focus in the last decade. Hyperoxia-induced excessive production of reactive oxygen species leading to oxidative stress and inflammation contribute to pulmonary growth restriction and abnormal neurodevelopment, including myelination deficits. Despite a large body of studies, which unraveled important pathophysiological mechanisms for both organs at risk, the majority focused exclusively either on lung or on brain injury. However, considering that preterm infants suffering from BPD are at higher risk for poor neurodevelopmental outcome, an interaction between both organs seems plausible. This review summarizes recent findings regarding mechanisms of hyperoxia-induced neonatal lung and brain injury. We will discuss common pathophysiological pathways, which potentially link both injured organ systems. Furthermore, promises and needs of currently suggested therapies, including pharmacological and regenerative cell-based treatments for BPD and EoP, will be emphasized. Limited therapeutic approaches highlight the urgent need for a better understanding of the mechanisms underlying detrimental effects of hyperoxia on the lung-brain axis in order to pave the way for the development of novel multimodal therapies, ideally targeting both severe preterm birth-associated complications.
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Ma Y, Zhou Z, Yang GY, Ding J, Wang X. The Effect of Erythropoietin and Its Derivatives on Ischemic Stroke Therapy: A Comprehensive Review. Front Pharmacol 2022; 13:743926. [PMID: 35250554 PMCID: PMC8892214 DOI: 10.3389/fphar.2022.743926] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 01/19/2022] [Indexed: 12/17/2022] Open
Abstract
Numerous studies explored the therapeutic effects of erythropoietin (EPO) on neurodegenerative diseases. Few studies provided comprehensive and latest knowledge of EPO treatment for ischemic stroke. In the present review, we introduced the structure, expression, function of EPO, and its receptors in the central nervous system. Furthermore, we comprehensively discussed EPO treatment in pre-clinical studies, clinical trials, and its therapeutic mechanisms including suppressing inflammation. Finally, advanced studies of the therapy of EPO derivatives in ischemic stroke were also discussed. We wish to provide valuable information on EPO and EPO derivatives’ treatment for ischemic stroke for basic researchers and clinicians to accelerate the process of their clinical applications.
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Affiliation(s)
- Yuanyuan Ma
- Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhiyuan Zhou
- Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Guo-Yuan Yang
- Med-X Research Institute and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Guo-Yuan Yang, ; Jing Ding,
| | - Jing Ding
- Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai, China
- *Correspondence: Guo-Yuan Yang, ; Jing Ding,
| | - Xin Wang
- Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai, China
- Department of The State Key Laboratory of Medical Neurobiology, The Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, China
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10
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Abiramalatha T, Ramaswamy VV, Ponnala AK, Kallem VR, Murkunde YV, Punnoose AM, Vivekanandhan A, Pullattayil AK, Amboiram P. Emerging neuroprotective interventions in periventricular leukomalacia: A systematic review of preclinical studies. Expert Opin Investig Drugs 2022; 31:305-330. [PMID: 35143732 DOI: 10.1080/13543784.2022.2040479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Periventricular leukomalacia (PVL) is a result of various antenatal, intrapartum, or postnatal insults to the developing brain and is an important harbinger of cerebral palsy in preterm neonates. There is no proven therapy for PVL. This calls for appraisal of targeted therapies that have been investigated in animal models to evaluate their relevance in clinical research context. AREAS COVERED This systematic review identifies interventions that were evaluated in preclinical studies for neuroprotective efficacy against PVL. We identified 142 studies evaluating various interventions in PVL animal models. (Search method is detailed in section 2). EXPERT OPINION Interventions that have yielded significant results in preclinical research, and that have been evaluated in a limited number of clinical trials include stem cells, erythropoietin, and melatonin. Many other therapeutic modalities evaluated in preclinical studies have been identified, but more data on their neuroprotective potential in PVL must be garnered before they can be considered for clinical trials. Because most of the tested interventions had only a partial efficacy, a combination of interventions that could be synergistic should be investigated in future preclinical studies. Furthermore, since the nature and pattern of perinatal insults to preterm brain predisposing it to PVL are substantially variable, individualised approaches for the choice of appropriate neuroprotective interventions tailored to different sub-groups of preterm neonates should be explored.
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Affiliation(s)
- Thangaraj Abiramalatha
- Consultant Neonatologist, Kovai Medical Center and Hospital (KMCH).,Department of Pediatrics and Neonatology, KMCH Institute of Health Sciences and Research, Coimbatore, India
| | | | - Andelsivj Kumar Ponnala
- Centre for Toxicology and Developmental Research (CEFTE), Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | | | - Yogeshkumar V Murkunde
- Centre for Toxicology and Developmental Research (CEFTE), Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Alan Mathew Punnoose
- Department of Stem Cell Research and Regenerative Medicine, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | | | | | - Prakash Amboiram
- Department of Neonatology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
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11
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Newton SS, Sathyanesan M. Erythropoietin and Non-Erythropoietic Derivatives in Cognition. Front Pharmacol 2021; 12:728725. [PMID: 34552490 PMCID: PMC8450392 DOI: 10.3389/fphar.2021.728725] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 08/19/2021] [Indexed: 01/04/2023] Open
Abstract
Cognitive deficits are widespread in psychiatric disorders, including major depression and schizophrenia. These deficits are known to contribute significantly to the accompanying functional impairment. Progress in the development of targeted treatments of cognitive deficits has been limited and there exists a major unmet need to develop more efficacious treatments. Erythropoietin (Epo) has shown promising procognitive effects in psychiatric disorders, providing support for a neurotrophic drug development approach. Several preclinical studies with non-erythropoietic derivatives have demonstrated that the modulation of behavior is independent of erythropoiesis. In this review, we examine the molecular, cellular and cognitive actions of Epo and non-erythropoietic molecular derivatives by focusing on their neurotrophic, synaptic, myelin plasticity, anti-inflammatory and neurogenic mechanisms in the brain. We also discuss the role of receptor signaling in Epo and non-erythropoietic EPO-mimetic molecules in their procognitive effects.
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Affiliation(s)
- Samuel S Newton
- Division of Basic Biomedical Sciences, Sanford School of Medicine, University of South Dakota, Vermillion, SD, United States.,Sioux Falls VA Healthcare System, Sioux Falls, SD, United States
| | - Monica Sathyanesan
- Division of Basic Biomedical Sciences, Sanford School of Medicine, University of South Dakota, Vermillion, SD, United States.,Sioux Falls VA Healthcare System, Sioux Falls, SD, United States
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Merelli A, Repetto M, Lazarowski A, Auzmendi J. Hypoxia, Oxidative Stress, and Inflammation: Three Faces of Neurodegenerative Diseases. J Alzheimers Dis 2021; 82:S109-S126. [PMID: 33325385 DOI: 10.3233/jad-201074] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The cerebral hypoxia-ischemia can induce a wide spectrum of biologic responses that include depolarization, excitotoxicity, oxidative stress, inflammation, and apoptosis, and result in neurodegeneration. Several adaptive and survival endogenous mechanisms can also be activated giving an opportunity for the affected cells to remain alive, waiting for helper signals that avoid apoptosis. These signals appear to help cells, depending on intensity, chronicity, and proximity to the central hypoxic area of the affected tissue. These mechanisms are present not only in a large list of brain pathologies affecting commonly older individuals, but also in other pathologies such as refractory epilepsies, encephalopathies, or brain trauma, where neurodegenerative features such as cognitive and/or motor deficits sequelae can be developed. The hypoxia inducible factor 1α (HIF-1α) is a master transcription factor driving a wide spectrum cellular response. HIF-1α may induce erythropoietin (EPO) receptor overexpression, which provides the therapeutic opportunity to administer pharmacological doses of EPO to rescue and/or repair affected brain tissue. Intranasal administration of EPO combined with other antioxidant and anti-inflammatory compounds could become an effective therapeutic alternative, to avoid and/or slow down neurodegenerative deterioration without producing adverse peripheral effects.
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Affiliation(s)
- Amalia Merelli
- Universidad de Buenos Aires, Facultad de Farmacia y Bioqummica, Departamento de Bioquímica Clínica, Instituto de Fisiopatología y Bioquímica Clínica (INFIBIOC), Argentina
| | - Marisa Repetto
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Química Analítica y Fisicoquímica, Cátedra de Química General e Inorgánica; Instituto de Bioquímica y Medicina Molecular, Consejo Nacional de Investigaciones Científicas y Técnicas (IBIMOL, UBA-CONICET), Argentina
| | - Alberto Lazarowski
- Universidad de Buenos Aires, Facultad de Farmacia y Bioqummica, Departamento de Bioquímica Clínica, Instituto de Fisiopatología y Bioquímica Clínica (INFIBIOC), Argentina
| | - Jerónimo Auzmendi
- Universidad de Buenos Aires, Facultad de Farmacia y Bioqummica, Departamento de Bioquímica Clínica, Instituto de Fisiopatología y Bioquímica Clínica (INFIBIOC), Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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Ma X, Shi Y. Whether erythropoietin can be a neuroprotective agent against premature brain injury: cellular mechanisms and clinical efficacy. Curr Neuropharmacol 2021; 20:611-629. [PMID: 34030616 DOI: 10.2174/1570159x19666210524154519] [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: 01/23/2021] [Revised: 04/27/2021] [Accepted: 05/08/2021] [Indexed: 11/22/2022] Open
Abstract
Preterm infants are at high risk of brain injury. With more understanding of the preterm brain injury's pathogenesis, neuroscientists are looking for more effective methods to prevent and treat it, among which erythropoietin (Epo) is considered as a prime candidate. This review tries to clarify the possible mechanisms of Epo in preterm neuroprotection and summarize updated evidence considering Epo as a pharmacological neuroprotective strategy in animal models and clinical trials. To date, various animal models have validated that Epo is an anti-apoptotic, anti-inflammatory, anti-oxidant, anti-excitotoxic, neurogenetic, erythropoietic, angiogenetic, and neurotrophic agent, thus preventing preterm brain injury. However, although the scientific rationale and preclinical data for Epo's neuroprotective effect are promising, when translated to bedside, the results vary in different studies, especially in its long-term efficacy. Based on existing evidence, it is still too early to recommend Epo as the standard treatment for preterm brain injury.
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Affiliation(s)
- Xueling Ma
- Department of Neonatology, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing 400014, China
| | - Yuan Shi
- Department of Neonatology, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing 400014, China
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Kowallick M, Serdar M, Markova B, Salveridou E, Felderhoff-Müser U, Führer-Sakel D, Heuer H, Bendix I, Dewan MV. Hyperoxia Leads to Transient Endocrine Alterations in the Neonatal Rat During Postnatal Development. Front Pediatr 2021; 9:723928. [PMID: 34805035 PMCID: PMC8596615 DOI: 10.3389/fped.2021.723928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 09/27/2021] [Indexed: 11/25/2022] Open
Abstract
Introduction: High oxygen concentrations have been identified as one factor contributing to the pathogenesis of the retinopathia of prematurity, chronic lung disease of the preterm infant and preterm brain injury. Preterm infants also show short- and long-term alterations of the endocrine system. If hyperoxia is one pathogenetic factor has not been investigated yet. With regard to the high prevalence of neurodevelopmental impairments in preterm infants, the hypothalamus-pituitary-thyroid (HPT) axis, the hypothalamus-pituitary-adrenal (HPA) axis and the hypothalamus-pituitary-somatotropic (HPS) axis are of special interest due to their important role in neurodevelopment. Objective: The aim of this study was to investigate the effect of hyperoxia on the endocrine system in the neonatal rat by analyzing the activities of the HPT, HPA and HPS axes, respectively. Methods: Three-days old Wistar rats were exposed to hyperoxia (oxygen 80%, 48 h). On postnatal day 5 (P5) and P11, transcript levels of thyroid-stimulating hormone (TSH), proopiomelanocortin and growth hormone (GH) were analyzed in pituitary sections by in situ hybridization. Serologic quantification of TSH and thyroxine (T4), adrenocorticotropic hormone and GH were performed by Multiplex analysis and Enzyme-linked Immunosorbent Assay. Results: At P5, significantly lower GH levels were observed in pituitaries (mRNA) and in sera of rats exposed to hyperoxia. Serum TSH was significantly elevated without changes in T4. Conclusion: This is the first study demonstrating transient endocrine alterations following hyperoxia in the neonatal rat making oxygen a possible contributor to the pathogenesis of endocrine alterations seen in preterm infants. Considering the detrimental multi-organ effects of hyperoxia on the immature organism, a rational use of therapeutic oxygen in the treatrnent of preterm infants is of utmost importance.
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Affiliation(s)
- Mirjam Kowallick
- Department of Paediatrics I-Neonatology and Experimental Perinatal Neurosciences, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Meray Serdar
- Department of Paediatrics I-Neonatology and Experimental Perinatal Neurosciences, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Boyka Markova
- Department of Endocrinology, Diabetes and Metabolism, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Eva Salveridou
- Department of Endocrinology, Diabetes and Metabolism, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ursula Felderhoff-Müser
- Department of Paediatrics I-Neonatology and Experimental Perinatal Neurosciences, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Dagmar Führer-Sakel
- Department of Endocrinology, Diabetes and Metabolism, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Heike Heuer
- Department of Endocrinology, Diabetes and Metabolism, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ivo Bendix
- Department of Paediatrics I-Neonatology and Experimental Perinatal Neurosciences, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Monia Vanessa Dewan
- Department of Paediatrics I-Neonatology and Experimental Perinatal Neurosciences, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
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