CYTOMETRY PART B-CLINICAL CYTOMETRY, no.1, pp.36-39, 2005 (SCI-Expanded)
Background: Regulation of nucleolus organizer region (NOR) expression in trisomy 21 (Down syndrome [DS] cells is not fully explained. This work compared NOR expression on metaphase chromosomes in gradiently stimulated lymphocytes from DS patients with those from healthy controls.