<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This study was conducted to describe a prenatal case of congenital hydrocephalus and hemivertebrae with a 6q terminal deletion and to investigate the possible correlation between the genotype and phenotype of the proband. We performed an array-based comparative genomic hybridization (aCGH) analysis on a fetus diagnosed with congenital hydrocephalus and hemivertebrae. The deletion, spanning 10.06 Mb from 6q25.3 to 6qter, was detected in this fetus. The results of aCGH, karyotype and fluorescent in situ hybridization (FISH) analyses in the healthy parents were normal, which confirmed that the proband’s copy- number variant (CNV) was de novo. This deleted region encompassed 97 genes, including 28 OMIM genes. We discussed four genes (TBP, PSMB1, QKI and Pacrg) that may be responsible for hydrocephalus while the T gene may have a role in hemivertebra. We speculate that five genes in the 6q terminal deletion region were potentially associated with hemivertebrae and hydrocephalus in the proband.</p></abstract>

This study was conducted to describe a prenatal case of congenital hydrocephalus and hemivertebrae with a 6q terminal deletion and to investigate the possible correlation between the genotype and phenotype of the proband. We performed an array-based comparative genomic hybridization (aCGH) analysis on a fetus diagnosed with congenital hydrocephalus and hemivertebrae. The deletion, spanning 10.06 Mb from 6q25.3 to 6qter, was detected in this fetus. The results of aCGH, karyotype and fluorescent in situ hybridization (FISH) analyses in the healthy parents were normal, which confirmed that the proband’s copy- number variant (CNV) was de novo. This deleted region encompassed 97 genes, including 28 OMIM genes. We discussed four genes (TBP, PSMB1, QKI and Pacrg) that may be responsible for hydrocephalus while the T gene may have a role in hemivertebra. We speculate that five genes in the 6q terminal deletion region were potentially associated with hemivertebrae and hydrocephalus in the proband.

Congenital Hydrocephalus and Hemivertebrae Associated With De NOVO Partial Monosomy 6q (6q25.3→qter)

Key Laboratory of Reproductive Medicine of Guangdong Province, Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People’s Republic of China

Department of Obstetrics & Gynaecology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, People’s Republic of China

Department of Ultrasonic Medicine, Fetal Medical Center, First Affiliated hospital of Yat-sen University, Guangzhou, Guangdong, People’s Republic of China

Key Laboratory of Reproductive Medicine of Guangdong Province, Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Duobao Road 63, Guangzhou, 510150, Guangdong, People’s Republic of China. Tel: +86-20-81292292. Fax: +86-20-81292013

Balkan Journal of Medical Genetics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

This study was conducted to describe a prenatal case of congenital hydrocephalus and hemivertebrae with a 6q terminal deletion and to investigate the possible...

Congenital Hydrocephalus and Hemivertebrae Associated With De NOVO Partial Monosomy 6q (6q25.3→qter)

Published Online: Dec 30, 2015

Page range: 77 - 84

DOI: https://doi.org/10.1515/bjmg-2015-0009

Keywords
Genotype, Hemivertebrae, Hydrocephalus, Phenotype, 6q Terminal deletion

© Balkan Journal of Medical Genetics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Congenital Hydrocephalus and Hemivertebrae Associated With De NOVO Partial Monosomy 6q (6q25.3→qter)

Published Online: Dec 30, 2015

Page range: 77 - 84

DOI: https://doi.org/10.1515/bjmg-2015-0009

KeywordsGenotype, Hemivertebrae, Hydrocephalus, Phenotype, 6q Terminal deletion

© Balkan Journal of Medical Genetics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Genotype, Hemivertebrae, Hydrocephalus, Phenotype, 6q Terminal deletion