<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Constitutional chromosomal abnormalities are an important cause of miscarriage, infertility, congenital anomalies and mental retardation in humans. Pericentric inversions of the human Y-chromosome [inv(Y)] are rather common and show an estimated incidence of 0.6-1:1,000 in males in the general population. Most of the reported cases with inv(Y) are familial. For carriers of pericentric inversions the risk of mental retardation or multiple abortions is not apparently increased and there is no relation with abnormal phenotypic features. Polymerase chain reaction (PCR) analysis to detect microdeletions along the Y-chromosome as well as cytogenetic and fluorescence in situ hybridization (FISH) analysis were done to delineate the characteristics of an inv(Y) in a Syrian family. Thus, we present a detailed molecularcytogenetic characterization of a father and his two sons having an inv(Y)(p11. 2q11.221~q11.222) with varying mental retardation features but otherwise normal phenotype</p></abstract>

Constitutional chromosomal abnormalities are an important cause of miscarriage, infertility, congenital anomalies and mental retardation in humans. Pericentric inversions of the human Y-chromosome [inv(Y)] are rather common and show an estimated incidence of 0.6-1:1,000 in males in the general population. Most of the reported cases with inv(Y) are familial. For carriers of pericentric inversions the risk of mental retardation or multiple abortions is not apparently increased and there is no relation with abnormal phenotypic features. Polymerase chain reaction (PCR) analysis to detect microdeletions along the Y-chromosome as well as cytogenetic and fluorescence in situ hybridization (FISH) analysis were done to delineate the characteristics of an inv(Y) in a Syrian family. Thus, we present a detailed molecularcytogenetic characterization of a father and his two sons having an inv(Y)(p11. 2q11.221~q11.222) with varying mental retardation features but otherwise normal phenotype

MOLECULAR CYTOGENETIC CHARACTERIZATION OF AN inv(Y)(p11.2q11.221~q11.222) IN A SYRIAN FAMILY

Department of Molecular Biology and Biotechnology, Division of Human Genetics, Atomic Energy Commission of Syria, Damascus, Syria

Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Jena, Germany

Balkan Journal of Medical Genetics

Constitutional chromosomal abnormalities are an important cause of miscarriage, infertility, congenital anomalies and mental retardation in humans. Pericentric...

MOLECULAR CYTOGENETIC CHARACTERIZATION OF AN inv(Y)(p11.2q11.221~q11.222) IN A SYRIAN FAMILY

Published Online: Mar 11, 2014

Page range: 73 - 76

DOI: https://doi.org/10.2478/bjmg-2013-0035

Keywords
Y-Chromosome, Inversion, Mental retardation, Fluorescence in situ hybridization (FISH), Ampli-conic fertility genes

This content is open access.

MOLECULAR CYTOGENETIC CHARACTERIZATION OF AN inv(Y)(p11.2q11.221~q11.222) IN A SYRIAN FAMILY

Published Online: Mar 11, 2014

Page range: 73 - 76

DOI: https://doi.org/10.2478/bjmg-2013-0035

KeywordsY-Chromosome, Inversion, Mental retardation, Fluorescence in situ hybridization (FISH), Ampli-conic fertility genes

This content is open access.

Keywords
Y-Chromosome, Inversion, Mental retardation, Fluorescence in situ hybridization (FISH), Ampli-conic fertility genes