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Seckel Syndrome 

Seckel Syndrome
Seckel Syndrome

Mark O’Driscoll

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date: 09 March 2021

Seckel syndrome belongs to the family of Microcephalic Primordial Dwarfisms (MPDs), a clinically heterogeneous group of conditions associated with growth retardation, microcephaly, characteristic skeletal features and additional abnormalities. Over the last decade or so the underlying genetic defects for some MPDs have started to emerge. So far, these defects collectively highlight the requirement for optimal cell cycle control and progression including DNA replication for normal human development. In this chapter I will overview the genes implicated in Seckel syndrome. I will detail the clinical presentation of this disorder; contrasting it to the other overlapping MPDs, and describe current models underlying the molecular pathogenesis of the associated genetic defects, highlighting their inter-related and associated biological impacts. But first, I will provide some background to illuminate the precise origin of Seckel syndrome. My intention here is to place its origin or more precisely, its evolution, into some context, with the aim of helping to explain why this condition has often been mis- and/or over-diagnosed.

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