A sequencing-based survey of functional APAF1 alleles in a large sample of individuals with affective illness and population controls
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Price, Lawrence H
Carpenter, Linda L
Tyrka, Audrey R
Landrø, Nils Inge
Epperson, C Neill
MetadataShow full item record
CitationAm. J. Med. Genet. B Neuropsychiatr. Genet. 2010, 153B(1):332-5
AbstractRare apoptosis-promoting functional variants in the apoptosis protease activating factor 1 (APAF1) gene were recently reported to co-segregate with major depression in male members of families from Utah. In order to estimate the impact of these variants on risk for major depressive disorder (MDD) in the general population, we surveyed the frequency of the APAF1 putative MDD risk alleles using re-sequencing in a large sample of northern European and European-American subjects, including a large number of males with MDD. The E777K and N782T APAF1 variants previously described by Harlan et al. [Harlan et al. (2006) Mol Psychiatry 11(1):76-85] were found at low frequencies in affected individuals and population controls. The C450W and Q465R variants were not detected in any of the 632 subjects sequenced. These results show that the APAF1 variants associated with risk for MDD in the Utah pedigrees are very rare in Northern European and European-American populations. In addition, the E777K and N782T variants were found at low frequencies both in patients and population controls, suggesting that these variants have limited impact on risk for MDD.
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