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Book Cover
E-RESOURCE
Author Galanopoulou, Aristea S.

Title Seizures and the developing brain [electronic resource] / Aristea S. Galanopoulou.

Published San Rafael, Calif. (1537 Fourth Street, San Rafael, CA 94901 USA) : Morgan & Claypool, c2012.

Copies

Location Call No. Status
 UniM INTERNET resource    AVAILABLE
Physical description 1 electronic text (ix, 59 p.) : ill., digital file.
Series Colloquium series on the developing brain, 2159-5208 ; # 5
Colloquium digital library of life sciences.
Colloquium series on the developing brain, 2159-5208 ; # 5.
Notes Part of: Colloquium digital library of life sciences.
Series from website.
Bibliography Includes bibliographical references (p. 47-58).
Contents 1. Seizures and epilepsy: definitions, classification, models -- 1.1 Definitions and classifications -- 1.2 Developmental equivalence stages of rodents and humans -- 1.3 Models of seizures and epilepsies -- 1.3.1 TLE models -- 1.3.2 Flurothyl model -- 1.3.3 Kindling model --
2. Brain development controls seizure susceptibility and outcomes -- 2.1 Developmental regulation of factors influencing seizure susceptibility -- 2.1.1 Neurotransmitter systems -- 2.1.1.1 Gabaa receptors and brain development -- 2.1.1.2 Gabaa receptors and seizure susceptibility -- 2.1.1.3 Other neurotransmitter systems -- 2.1.2 Subcortical networks controlling seizures -- 2.2 The importance of age in determining early-life seizure outcomes -- 2.2.1 Neuronal injury -- 2.2.2 Mossy fiber sprouting -- 2.2.3 Gliosis, inflammation, neoneurogenesis -- 2.2.4 Gene expression changes -- 2.2.5 Effects of early-life seizures on C1-homeostasis: implications for brain development and epileptogenesis -- 2.2.6 Early-life seizures and cognitive development --
3. Conclusions -- References -- Author biography.
Restrictions Abstract freely available; full-text restricted to subscribers or individual document purchasers.
Summary Seizures are more common early in life than in adulthood. Bidirectional interactions between seizures and normal developmental processes define their expression and outcomes. Several developmentally regulated factors control neuronal excitability. GABAA receptors hold a central role as they control neuronal activity in an age-specific manner. Early in development, GABAA receptors have depolarizing effects, which contribute to the increased susceptibility of immature neurons to seizures but they are also essential for normal brain development. During development, there is a gradual shift to the "adult-type" hyperpolarizing GABAA receptor signaling, creating more efficient inhibition. Seizures may disrupt GABAA receptor signaling by changing the expression of their subunits and by changing the direction of GABAA responses, which, in certain situations, may be detrimental for brain development. Furthermore, subcortical nuclei, such as the substantia nigra, control the expression and propagation of seizures in an age- and sex-dependent manner. These endogenous control centers and signaling pathways are further modified by independent genetic epigenetic, biologic, or other factors, which further increase the heterogeneity in presentation of seizures, their treatment, and their comorbidities. Elucidation of these complex interactions and identification of biomarkers guiding therapeutic interventions will be necessary to improve our ability to treat early-life epilepsies.
Other formats Also available in print.
System notes Mode of access: World Wide Web.
System requirements: Adobe Acrobat reader.
Notes Title from PDF t.p. (viewed on November 16, 2011).
Subject Convulsions.
Spasms, Infantile.
Developmental neurobiology.
seizure
epilepsy
GABA
chloride cotransporter
KCC2
NKCC1
cognitive impairment
epileptogenesis
ISBN 9781615043552 (electronic bk.)
9781615043545 (pbk.)
Standard Number 10.4199/C00046ED1V01Y201109DBR005