作者: Tadeusz Mazurczak , Ewa Bocian , Beata Nowakowska , Ewa Obersztyn , Kamila Suchenek
DOI:
关键词: Genetics 、 Biology 、 dup 、 Microcephaly 、 Subtelomere 、 Gene duplication 、 Chromosomal inversion 、 Proband 、 Molecular biology 、 Breakpoint 、 Chromosome
摘要: We present a family with three cases of recombination aneusomy rec(5)dup(5q) originating from large parental pericentric inversion chromosome 5. The proband - 6-year-old girl mental retardation, speech delay, microcephaly, and slight facial dysmorphism was referred for subtelomere testing. FISH Multiprobe Chromoprobe T System (CytoCell) several BAC clones mapping to both re- gions 5, revealed recombinant paternal inv(5)(p15.33q35.3). same in the proband's father's twin-brother also identified his two mentally retarded daughters. distance breakpoints telomere was: 0.234-1.4 Mb 5p 4.1-4.8 5q. HR-CGH analysis confirmed duplication 5q subtelomeric region but did not identify any concomitant deletion subtelomere. Precise map- ping aneusomic regions enabled cat cry delay 5p15.33, making earlier localizations these features more precise. Our shows that at 5 is associated high risk progeny.