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Direct duplication of 9p22-->p24 in a child with duplication 9p syndrome
A Fujimoto1, M S Lin, S Schwartz
1Department of Pediatrics, Los Angeles County-University of Southern California Medical Center, and University of Southern California School of Medicine, 90033, USA.
American Journal of Medical Genetics
|May 26, 1998
Abstract:
A de novo direct duplication of 9p22-->p24 was shown in a child with a duplication 9p phenotype by GTG banding and fluorescence in situ hybridization (FISH) using a chromosome-9 specific painting probe as well as 6 YAC DNA probes localized to the 9p13-9p23 region. The breakpoints in this patient and previously reported patients suggest that 9p22 may be the critical region for duplication 9p syndrome.