Segregation Analyses of 1,476 Population-Based Australian Families Affected by Prostate Cancer
- Cui, Jisheng
- Staples, Margaret P.
- Hopper, John L.
- English, Dallas R.
- McCredie, Margaret R.E.
- Giles, Graham G.
DOIAbstract
Segregation analyses aim to detect genetic factors that have a major effect on an individual’s risk of disease and to describe them in terms of mode of inheritance, age-specific cumulative risk (penetrance), and allele frequency. We conducted single- and two-locus segregation analyses of data from 1,476 men with prostate cancer diagnosed at age <70 years and ascertained through population registries in Melbourne, Sydney, and Perth, Australia, and from their brothers, fathers, and both maternal and paternal lineal uncles. Estimation and model selection were based on asymptotic likelihood theory and were performed through use of the software MENDEL. All two-locus models gave better fits than did single-locus models, even if lineal uncles were...
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