Inactive X chromosome gene reactivation induced by 5-azacytidine, is not correlated with the modification of the pattern of replication.

Ann Genet

Unité de Recherches de Génétique Médicale INSERM U12, Hôpital des Enfants Malades, Paris.

Published: December 1987

The replication pattern of a human inactive X chromosome reactivated for one to four genes by 5-azacytidine has been studied by the BrdU-33258-Hoechst-Giemsa technique in four subclones of a somatic hamster-human hybrid. In one of them the pattern was clearly modified. In the three others the changes were not significant. No correlation was found between expression and replication.

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