Phenotypic variation within European carriers of the Y-chromosomal gr/gr deletion is independent of Y-chromosomal background

C Krausz, C Giachini, Y Xue, M K O'Bryan, J Gromoll, E Rajpert-De Meyts, R Oliva, I Aknin-Seifer, E Erdei, N Jorgensen, M Simoni, J L Ballescà, R Levy, G Balercia, P Piomboni, E Nieschlag, G Forti, R McLachlan, C Tyler-Smith

61 Citationer (Scopus)

Abstract

Previous studies have compared sperm phenotypes between men with partial deletions within the AZFc region of the Y chromosome and non-carriers, with variable results. In this study, a separate question was investigated, the basis of the variation in sperm phenotype within gr/gr deletion carriers, which ranges from normozoospermia to azoospermia. Differences in the genes removed by independent gr/gr deletions, the occurrence of subsequent duplications or the presence of linked modifying variants elsewhere on the chromosome have been suggested as possible causal factors. This study set out to test these possibilities in a large sample of gr/gr deletion carriers with known phenotypes spanning the complete range.
OriginalsprogEngelsk
TidsskriftJournal of Medical Genetics
Vol/bind46
Udgave nummer1
Sider (fra-til)21-31
Antal sider11
ISSN0022-2593
DOI
StatusUdgivet - jan. 2009

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