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Prenatal ischemia deteriorates white matter, brain organization, and function: implications for prematurity and cerebral palsy

Coq, Jacques-Olivier
Delcour, Maxime
Massicotte, Vicky S
Barbe, Mary F
Published in Development Medicine and Child neurology. 2016, vol. 58, no. Suppl 4, p. 7-11
Abstract Cerebral palsy (CP) describes a group of neurodevelopmental disorders of posture and movement that are frequently associated with sensory, behavioral, and cognitive impairments. The clinical picture of CP has changed with improved neonatal care over the past few decades, resulting in higher survival rates of infants born very preterm. Children born preterm seem particularly vulnerable to perinatal hypoxia-ischemia insults at birth. Animal models of CP are crucial for elucidating underlying mechanisms and for development of strategies of neuroprotection and remediation. Most animal models of CP are based on hypoxia-ischemia around the time of birth. In this review, we focus on alterations of brain organization and functions, especially sensorimotor changes, induced by prenatal ischemia in rodents and rabbits, and relate these alterations to neurodevelopmental disorders found in preterm children. We also discuss recent literature that addresses the relationship between neural and myelin plasticity, as well as possible contributions of white matter injury to the emergence of brain dysfunctions induced by prenatal ischemia.
Keywords AnimalsCerebral Palsy/pathology/physiopathologyFemaleHumansHypoxia-Ischemia, Brain/pathology/physiopathologyInfant, Premature, Diseases/pathology/physiopathologyPregnancyPrenatal Injuries/pathology/physiopathologyWhite Matter/pathology/physiopathology
PMID: 27027601
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Research group Prévention des complications néonatales d'origine périnatale (990)
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COQ, Jacques-Olivier et al. Prenatal ischemia deteriorates white matter, brain organization, and function: implications for prematurity and cerebral palsy. In: Developmental Medicine and Child Neurology, 2016, vol. 58, n° Suppl 4, p. 7-11. doi: 10.1111/dmcn.13040 https://archive-ouverte.unige.ch/unige:104561

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Deposited on : 2018-05-18

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