Cacha M. P. C. D. Peeters-Scholte

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Alternating hemiplegia of childhood (AHC) is a rare, severe neurodevelopmental syndrome characterized by recurrent hemiplegic episodes and distinct neurological manifestations. AHC is usually a sporadic disorder and has unknown etiology. We used exome sequencing of seven patients with AHC and their unaffected parents to identify de novo nonsynonymous(More)
BACKGROUND AND PURPOSE Perinatal hypoxia-ischemia is a major cause of neonatal morbidity and mortality. Until now no established neuroprotective intervention after perinatal hypoxia-ischemia has been available. The delay in cell death after perinatal hypoxia-ischemia creates possibilities for therapeutic intervention after the initial insult. Excessive(More)
The hypothesis was tested that treatment with allopurinol, a xanthine oxidase inhibitor, or deferoxamine, a chelator of nonprotein-bound iron, preserved cerebral energy metabolism, attenuated development of edema, and improved histologic outcome in the newborn piglet at 24 h after hypoxia-ischemia. Thirty-two newborn piglets were subjected to 1 h of(More)
Acquired demyelinating syndromes (ADS) can be a first presentation of multiple sclerosis (MS) in children. The incidence of these disorders in Europe is currently unknown. Children (<18 years old) living in the Netherlands who presented with ADS were included from January 1, 2007 to December 31, 2010 by the Dutch pediatric MS study group and the Dutch(More)
Excessive nitric oxide (NO) production after cerebral hypoxia-ischaemia (HI) may induce cellular injury in various ways, including reaction with superoxide to form the highly reactive peroxynitrite. We characterized the spatial and temporal formation of peroxynitrite through immunohistochemical detection of nitrosylated proteins. Nitrotyrosine(More)
The purpose of this study was to investigate whether combined inhibition of neuronal and inducible nitric oxide synthase (NOS) by 2-iminobiotin, free radical scavenging by allopurinol, and non-protein-bound iron chelation with deferoxamine improved cerebral oxygenation, electrocortical brain activity, and brain energy status during the first 24 h after(More)
Worldwide, perinatal asphyxia is an important cause of morbidity and mortality among term-born children. Overactivation of the N-methyl-d-aspartate receptor (NMDAr) plays a central role in the pathogenesis of cerebral hypoxia–ischemia, but the role of both endogenous NMDAr co-agonists d-serine and glycine remains largely elusive. We investigated d-serine(More)
Perinatal asphyxia models are necessary to obtain knowledge of the pathophysiology of hypoxia-ischaemia (HI) and to test potential neuroprotective strategies. The present study was performed in newborn piglets to obtain information about simultaneous changes in cerebral oxygenation and haemodynamics and electrocortical brain activity during a 60-min period(More)
Mutations in the gene COL4A1, encoding collagen IV A1, are associated with familial porencephaly. Previously, COL4A1 mutation-associated antenatal hemorrhages have been suggested by early post-natal imaging. We describe 2 children with fetal intracerebral hemorrhages and a COL4A1 mutation. There was also extensive hemispheric tissue loss in both infants and(More)
The short- and long-term neuroprotective effects of 2-iminobiotin, a selective inhibitor of neuronal and inducible nitric oxide synthase, were studied in 12-day-old rats following hypoxia-ischemia. Hypoxia-ischemia was induced by occlusion of the right carotid artery followed by 90 minutes of hypoxia (FiO2 0.08). Immediately on reoxygenation, 12 and 24(More)