Article
Informative-transmission disequilibrium test (i-TDT): combined linkage and association mapping that includes unaffected offspring as well as affected offspring.
Genetic epidemiology - 1 Feb 2007
Guo Chao-Yu, Lunetta Kathryn L, DeStefano Anita L, Ordovas Jose M, Cupples L Adrienne
Abstract excerpt
To date, there is no test valid for the composite null hypothesis of no linkage or no association that utilizes transmission information from heterozygous parents to their unaffected offspring as well as the affected offspring from ascertained nuclear families. Since the unaffected siblings also provide information about linkage and association, we introduce a new strategy called the informative-transmission...
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