PMID: 16646156May 2, 2006Paper

Neuronal dysfunction in Down syndrome: contribution of neuronal models in cell culture

Journal of Physiology, Paris
Katherine SaudP Caviedes

Abstract

Down syndrome (DS) in humans, or trisomy of autosome 21, represents the hyperdiploidy that most frequently survives gestation, reaching an incidence of 1 in 700 live births. The condition is associated with multisystemic anomalies, including those affecting the central nervous system (CNS), determining a characteristic mental retardation. At a neuronal level, our group and others have shown that the condition determines marked alterations of action potential and ionic current kinetics, which may underlie abnormal processing of information by the CNS. Since the use of human tissue presents both practical and ethical problems, animal models of the human condition have been sought. Murine trisomy 16 (Ts16) is a model of the human condition, due to the great homology between human autosome 21 and murine 16. Both conditions share the same alterations of electrical membrane properties. However, the murine Ts16 condition is unviable (animals die in utero), thus limiting the quantity of tissue procurable. To overcome this obstacle, we have established immortal cell lines from normal and Ts16 mice with a method developed by our group that allows the stable in vitro immortalization of mammalian tissue, yielding cell lines which retain th...Continue Reading

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Citations

Jul 18, 2008·Pediatric Surgery International·S W Moore
Nov 13, 2012·Archives of Medical Research·Ana M CárdenasPablo Caviedes
Aug 1, 2015·Pediatric and Developmental Pathology : the Official Journal of the Society for Pediatric Pathology and the Paediatric Pathology Society·Mikako WarrenKevin Bove
Dec 7, 2013·Intellectual and Developmental Disabilities·Angela Novak AmadoPhilip McCallion

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