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Mortality and cancer incidence in males with Y polysomy in Britain: A cohort study

Record type: Article

The mortality and cancer incidence risks among males with Y polysomy are unknown because there have been no large long-term cohort studies carried out of such men. We conducted a cohort study of 667 men diagnosed with the abnormality in Britain since 1959 to compare their mortality and cancer incidence rates with those of the general population. Sixty deaths occurred during follow-up to December 2005, twice the number expected from general population rates (standardised mortality ratio (SMR) = 2.0 (95% confidence interval (CI) 1.5-2.6)). Significantly raised mortality was observed for diseases of the nervous system (SMR = 7.0, 95% CI: 2.3-16.4), circulatory system (SMR = 2.1, 95% CI: 1.3-3.2), respiratory system (SMR = 4.0, 95% CI: 1.8-7.5), genitourinary system (SMR = 10.2, 95% CI: 1.2-36.9), and congenital anomalies (SMR = 11.9, 95% CI: 3.2-30.5). Four of the five nervous system deaths were from epilepsy, the risk of death from this condition being more than 20-fold raised. The rates of cancer incidence and mortality among these men was not significantly different from those in the general population. This study provides evidence that mortality rates from several specific causes are raised among men with Y polysomy. The use of these data in genetic counselling should be cautious particularly for cases of Y polysomy that are detected prenatally. Further investigations are required to confirm these findings and to elucidate the possible role of genes on the Y chromosome in the aetiology of these causes of death.

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Citation

Higgins, Craig D., Swerdlow, Anthony J., Schoemaker, Minouk J., Wright, Alan F., Jacobs, Patricia A. and and On behalf of the UK clinical cytogenetics group, None (2007) Mortality and cancer incidence in males with Y polysomy in Britain: A cohort study Human Genetics, 121, (6), pp. 691-696. (doi:10.1007/s00439-007-0365-8).

More information

Published date: July 2007
Keywords: great britain, humans, britain, genes, mortality, cancer, epilepsy, male, research, role, population, incidence, cardiovascular diseases, disease, chromosomes, human

Identifiers

Local EPrints ID: 59824
URI: http://eprints.soton.ac.uk/id/eprint/59824
ISSN: 0340-6717
PURE UUID: 179f167f-265b-420b-b2c8-2fd888f33430

Catalogue record

Date deposited: 05 Sep 2008
Last modified: 17 Jul 2017 14:24

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