Recombinant Chromosome 4 from a Familial Pericentric Inversion: Prenatal and Adulthood Wolf-Hirschhorn Phenotypes

Author:

Malvestiti Francesca1ORCID,Benedicenti Francesco2,De Toffol Simona1ORCID,Chinetti Sara1ORCID,Höller Adelheid3,Grimi Beatrice1,Fichtel Gertrud4,Braghetto Monica5,Agrati Cristina1,Bonaparte Eleonora1,Maggi Federico1,Simoni Giuseppe1,Grati Francesca Romana1

Affiliation:

1. Research and Development, Cytogenetics and Molecular Biology, TOMA Advanced Biomedical Assays S.p.A., 25/27 Francesco Ferrer Street Varese (VA), 21052 Busto Arsizio, Italy

2. Servizio di Consulenza Genetica dell’Alto Adige, Dipartimento di Pediatria, Ospedale di Bolzano, 39100 Bolzano, Italy

3. Laboratorio di Citogenetica, Ospedale di Bolzano, 39100 Bolzano, Italy

4. Servizio di Anatomia e Istologia Patologica, Ospedale di Bolzano, 39100 Bolzano, Italy

5. Reparto di Ostetricia e Ginecologia, Ospedale di Bolzano, 39100 Bolzano, Italy

Abstract

Pericentric inversion of chromosome 4 can give rise to recombinant chromosomes by duplication or deletion of 4p. We report on a familial case of Wolf-Hirschhorn Syndrome characterized by GTG-banding karyotypes, FISH, and array CGH analysis, caused by a recombinant chromosome 4 with terminal 4p16.3 deletion and terminal 4q35.2 duplication. This is an aneusomy due to a recombination which occurred during the meiosis of heterozygote carrier of cryptic pericentric inversion. We also describe the adulthood and prenatal phenotypes associated with the recombinant chromosome 4.

Publisher

Hindawi Limited

Subject

General Medicine

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