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Fabres RB, Cardoso DS, Aragón BA, Arruda BP, Martins PP, Ikebara JM, Drobyshevsky A, Kihara AH, de Fraga LS, Netto CA, Takada SH. Consequences of oxygen deprivation on myelination and sex-dependent alterations. Mol Cell Neurosci 2023; 126:103864. [PMID: 37268283 DOI: 10.1016/j.mcn.2023.103864] [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: 01/20/2023] [Revised: 05/07/2023] [Accepted: 05/25/2023] [Indexed: 06/04/2023] Open
Abstract
Oxygen deprivation is one of the main causes of morbidity and mortality in newborns, occurring with a higher prevalence in preterm infants, reaching 20 % to 50 % mortality in newborns in the perinatal period. When they survive, 25 % exhibit neuropsychological pathologies, such as learning difficulties, epilepsy, and cerebral palsy. White matter injury is one of the main features found in oxygen deprivation injury, which can lead to long-term functional impairments, including cognitive delay and motor deficits. The myelin sheath accounts for much of the white matter in the brain by surrounding axons and enabling the efficient conduction of action potentials. Mature oligodendrocytes, which synthesize and maintain myelination, also comprise a significant proportion of the brain's white matter. In recent years, oligodendrocytes and the myelination process have become potential therapeutic targets to minimize the effects of oxygen deprivation on the central nervous system. Moreover, evidence indicate that neuroinflammation and apoptotic pathways activated during oxygen deprivation may be influenced by sexual dimorphism. To summarize the most recent research about the impact of sexual dimorphism on the neuroinflammatory state and white matter injury after oxygen deprivation, this review presents an overview of the oligodendrocyte lineage development and myelination, the impact of oxygen deprivation and neuroinflammation on oligodendrocytes in neurodevelopmental disorders, and recent reports about sexual dimorphism regarding the neuroinflammation and white matter injury after neonatal oxygen deprivation.
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Affiliation(s)
- Rafael Bandeira Fabres
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul (UFRGS), Ramiro Barcelos, 2600, Porto Alegre 90035-003, Brazil
| | - Débora Sterzeck Cardoso
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | | | - Bruna Petrucelli Arruda
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | - Pamela Pinheiro Martins
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | - Juliane Midori Ikebara
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | | | - Alexandre Hiroaki Kihara
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | - Luciano Stürmer de Fraga
- Departamento de Fisiologia, Universidade Federal do Rio Grande do Sul (UFRGS), Sarmento Leite, 500, Porto Alegre 90050-170, Brazil
| | - Carlos Alexandre Netto
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul (UFRGS), Ramiro Barcelos, 2600, Porto Alegre 90035-003, Brazil
| | - Silvia Honda Takada
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil.
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Gedzun VR, Khukhareva DD, Sarycheva NY, Kotova MM, Kabiolsky IA, Dubynin VA. Perinatal Stressors as a Factor in Impairments to Nervous System Development and Functions: Review of In Vivo Models. NEUROSCIENCE AND BEHAVIORAL PHYSIOLOGY 2023; 53:61-69. [PMID: 36969360 PMCID: PMC10006566 DOI: 10.1007/s11055-023-01391-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 04/26/2022] [Indexed: 03/24/2023]
Abstract
The human body is faced with stress throughout ontogeny. At the stage of intrauterine development, the mother’s body serves as a source of resources and most of the humoral factors supporting the development of the fetus. In normal conditions, maternal stress-related humoral signals (e.g., cortisol) regulate fetal development; however, distress (excessive pathological stress) in the perinatal period leads to serious and sometimes irreversible changes in the developing brain. The mother being in an unfavorable psychoemotional state, toxins and teratogens, environmental conditions, and severe infectious diseases are the most common risk factors for the development of perinatal nervous system pathology in the modern world. In this regard, the challenge of modeling situations in which prenatal or early postnatal stresses lead to serious impairments to brain development and functioning is extremely relevant. This review addresses the various models of perinatal pathology used in our studies (hypoxia, exposure to valproate, hyperserotoninemia, alcoholization), and assesses the commonality of the mechanisms of the resulting disorders and behavioral phenotypes forming in these models, as well as their relationship with models of perinatal pathology based on the impact of psychoemotional stressors.
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Affiliation(s)
- V. R. Gedzun
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - D. D. Khukhareva
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - N. Yu. Sarycheva
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - M. M. Kotova
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - I. A. Kabiolsky
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - V. A. Dubynin
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
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Mota-Rojas D, Villanueva-García D, Solimano A, Muns R, Ibarra-Ríos D, Mota-Reyes A. Pathophysiology of Perinatal Asphyxia in Humans and Animal Models. Biomedicines 2022; 10:347. [PMID: 35203556 PMCID: PMC8961792 DOI: 10.3390/biomedicines10020347] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/28/2022] [Accepted: 01/28/2022] [Indexed: 12/16/2022] Open
Abstract
Perinatal asphyxia is caused by lack of oxygen delivery (hypoxia) to end organs due to an hypoxemic or ischemic insult occurring in temporal proximity to labor (peripartum) or delivery (intrapartum). Hypoxic-ischemic encephalopathy is the clinical manifestation of hypoxic injury to the brain and is usually graded as mild, moderate, or severe. The search for useful biomarkers to precisely predict the severity of lesions in perinatal asphyxia and hypoxic-ischemic encephalopathy (HIE) is a field of increasing interest. As pathophysiology is not fully comprehended, the gold standard for treatment remains an active area of research. Hypothermia has proven to be an effective neuroprotective strategy and has been implemented in clinical routine. Current studies are exploring various add-on therapies, including erythropoietin, xenon, topiramate, melatonin, and stem cells. This review aims to perform an updated integration of the pathophysiological processes after perinatal asphyxia in humans and animal models to allow us to answer some questions and provide an interim update on progress in this field.
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Affiliation(s)
- Daniel Mota-Rojas
- Neurophysiology, Behavior and Animal Welfare Assessment, Universidad Autónoma Metropolitana (UAM), Mexico City 04960, Mexico
| | - Dina Villanueva-García
- Division of Neonatology, National Institute of Health Hospital Infantil de México Federico Gómez, Mexico City 06720, Mexico;
| | - Alfonso Solimano
- Department of Pediatrics, University of British Columbia, Vancouver, BC V6H 3V4, Canada;
| | - Ramon Muns
- Livestock Production Sciences Unit, Agri-Food and Biosciences Institute, Hillsborough BT26 6DR, UK;
| | - Daniel Ibarra-Ríos
- Division of Neonatology, National Institute of Health Hospital Infantil de México Federico Gómez, Mexico City 06720, Mexico;
| | - Andrea Mota-Reyes
- School of Medicine and Health Sciences, TecSalud, Instituto Tecnológico y de Estudios Superiores de Monterrey (ITESM), Monterrey 64849, Mexico;
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Sutovska H, Molcan L, Koprdova R, Piesova M, Mach M, Zeman M. Prenatal hypoxia increases blood pressure in male rat offspring and affects their response to artificial light at night. J Dev Orig Health Dis 2021; 12:587-594. [PMID: 33109302 DOI: 10.1017/s2040174420000963] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Prenatal hypoxia (PH) has negative consequences on the cardiovascular system in adulthood and can affect the responses to additional insults later in life. We explored the effects of PH imposed during embryonic day 20 (10.5% O2 for 12 h) on circadian rhythms of systolic blood pressure (BP) and heart rate (HR) in mature male rat offspring measured by telemetry. We evaluated: (1) stability of BP and HR changes after PH; (2) circadian variability of BP and HR after 2 and 5 weeks of exposure to artificial light at night (ALAN; 1-2 lx); and (3) response of BP and HR to norepinephrine. PH increased BP in the dark (134 ± 2 mmHg vs. control 127 ± 2 mmHg; p = 0.05) and marginally in the light (125 ± 1 mmHg vs. control 120 ± 2 mmHg) phase of the day but not HR. The effect of PH was highly repeatable between 21- and 27-week-old PH male offspring. Two weeks of ALAN decreased the circadian variability of HR (p < 0.05) and BP more in control than PH rats. After 5 weeks of ALAN, the circadian variability of HR and BP were damped compared to LD and did not differ between control and PH rats (p < 0.05). Responses of BP and HR to norepinephrine did not differ between control and PH rats. Hypoxia at the end of the embryonic period increases BP and affects the functioning of the cardiovascular system in mature male offspring. ALAN in adulthood decreased the circadian variability of cardiovascular parameters, more in control than PH rats.
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Affiliation(s)
- Hana Sutovska
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia
| | - Lubos Molcan
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia
| | - Romana Koprdova
- Centre of Experimental Medicine SAS, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Michaela Piesova
- Centre of Experimental Medicine SAS, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Bratislava, Slovakia
- Department of Pharmacology, Jessenius Faculty of Medicine, Comenius University, Martin, Slovakia
| | - Mojmír Mach
- Centre of Experimental Medicine SAS, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Michal Zeman
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia
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Abstract
Perinatal hypoxia is still one of the greatest threats to the newborn child, even in developed countries. However, there is a lack of works which summarize up-to-date information about that huge topic. Our review covers a broader spectrum of recent results from studies on mechanisms leading to hypoxia-induced injury. It also resumes possible primary causes and observed behavioral outcomes of perinatal hypoxia. In this review, we recognize two types of hypoxia, according to the localization of its primary cause: environmental and placental. Later we analyze possible pathways of prenatal hypoxia-induced injury including gene expression changes, glutaminergic excitatory damage (and a role of NMDA receptors in it), oxidative stress with ROS and RNS production, inflammation and apoptosis. Moreover, we focus on the impact of these pathophysiological changes on the structure and development of the brain, especially on its regions: corpus striatum and hippocampus. These brain changes of the offspring lead to impairments in their postnatal growth and sensorimotor development, and in their motor functions, activity, emotionality and learning ability in adulthood. Later we compare various animal models used to investigate the impact of prenatal and postnatal injury (hypoxic, ischemic or combinatory) on living organisms, and show their advantages and limitations.
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Affiliation(s)
- M Piešová
- Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.
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Svitok P, Senko T, Panakova Z, Olexova L, Krskova L, Okuliarova M, Zeman M. Prenatal exposure to angiotensin II increases blood pressure and decreases salt sensitivity in rats. Clin Exp Hypertens 2017; 39:489-494. [DOI: 10.1080/10641963.2016.1226887] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Pavel Svitok
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Tomas Senko
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Zuzana Panakova
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Lucia Olexova
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Lucia Krskova
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Monika Okuliarova
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Michal Zeman
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovak Republic
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Svitok P, Molcan L, Stebelova K, Vesela A, Sedlackova N, Ujhazy E, Mach M, Zeman M. Prenatal hypoxia in rats increased blood pressure and sympathetic drive of the adult offspring. Hypertens Res 2016; 39:501-5. [DOI: 10.1038/hr.2016.21] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Revised: 01/12/2016] [Accepted: 01/29/2016] [Indexed: 01/04/2023]
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Environmental enrichment decreases asphyxia-induced neurobehavioral developmental delay in neonatal rats. Int J Mol Sci 2013; 14:22258-73. [PMID: 24232451 PMCID: PMC3856064 DOI: 10.3390/ijms141122258] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Revised: 10/18/2013] [Accepted: 10/28/2013] [Indexed: 01/01/2023] Open
Abstract
Perinatal asphyxia during delivery produces long-term disability and represents a major problem in neonatal and pediatric care. Numerous neuroprotective approaches have been described to decrease the effects of perinatal asphyxia. Enriched environment is a popular strategy to counteract nervous system injuries. The aim of the present study was to investigate whether enriched environment is able to decrease the asphyxia-induced neurobehavioral developmental delay in neonatal rats. Asphyxia was induced in ready-to-deliver mothers by removing the pups by caesarian section after 15 min of asphyxia. Somatic and neurobehavioral development was tested daily and motor coordination weekly. Our results show that rats undergoing perinatal asphyxia had a marked developmental delay and worse performance in motor coordination tests. However, pups kept in enriched environment showed a decrease in the developmental delay observed in control asphyctic pups. Rats growing up in enriched environment did not show decrease in weight gain after the first week and the delay in reflex appearance was not as marked as in control rats. In addition, the development of motor coordination was not as strikingly delayed as in the control group. Short-term neurofunctional outcome are known to correlate with long-term deficits. Our results thus show that enriched environment could be a powerful strategy to decrease the deleterious developmental effects of perinatal asphyxia.
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