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Chromosome deletions in 13q33-34: Report of four patients and review of the literature

MPG-Autoren

Walczak-Sztulpa,  Joanna
Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50369

Kalscheuer,  Vera M.
Chromosome Rearrangements and Disease (Vera Kalscheuer), Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50145

Erdogan,  Fikret
Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50401

Kuss,  Andreas W.
Familial Cognitive Disorders (Luciana Musante), Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50501

Ropers,  Hans-Hilger
Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50606

Ullmann,  Reinhard
Molecular Cytogenetics (Reinhard Ullmann), Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50604

Tzschach,  Andreas
Dept. of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Zitation

Walczak-Sztulpa, J., Wisniewska, M., Latos-Bielenska, A., Linné, M., Kelbova, C., Belitz, B., et al. (2008). Chromosome deletions in 13q33-34: Report of four patients and review of the literature. American Journal of Medical Genetics Part A, 146(3), 337-342. doi:10.1002/ajmg.a.32127.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-808C-2
Zusammenfassung
Deletions of chromosome bands 13q33-34 are rare. Patients with such deletions have mental retardation, microcephaly, and distinct facial features. Male patients frequently also have genital malformations. We report on four patients with three overlapping deletions of 13q33-34 that have been characterized by tiling-path array-CGH. Patient 1 had mental retardation and microcephaly with an interstitial 4.7 Mb deletion and a translocation t(12;13)(q13.3;q32.3). His mother (Patient 2), who also had mental retardation and microcephaly, carried the identical chromosome aberration. Patient 3 was a girl with a de novo insertion ins(7;13)(p15.1;q22q31) and interstitial 4.5 Mb deletion in 13q33-34. She had mental retardation and microcephaly. Patient 4 was a newborn boy with severe genital malformation (penoscrotal transposition and hypospadias) and microcephaly. He had a de novo ring chromosome 13 lacking the terminal 9.3 Mb of 13q. Karyotype-phenotype comparisons of these and eight previously published del13q33-34 patients suggest EFNB2 as a candidate gene for genital malformations in males. Molecular cytogenetic definition of a common deleted region in all patients suggests ARHGEF7 as a candidate gene for mental retardation and microcephaly.