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On the use of DNA pooling to estimate haplotype frequencies

✍ Scribed by Shuang Wang; Kenneth K. Kidd; Hongyu Zhao

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
154 KB
Volume
24
Category
Article
ISSN
0741-0395

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✦ Synopsis

Abstract

Genome‐wide association studies may be necessary to identify genes underlying certain complex diseases. Because such studies can be extremely expensive, DNA pooling has been introduced, as it may greatly reduce the genotyping burden. Parallel to DNA pooling developments, the importance of haplotypes in genetic studies has been amply demonstrated in the literature. However, DNA pooling of a large number of samples may lose haplotype information among tightly linked genetic markers. Here, we examine the cost‐effectiveness of DNA pooling in the estimation of haplotype frequencies from population data. When the maximum likelihood estimates of haplotype frequencies are obtained from pooled samples, we compare the overall cost of the study, including both DNA collection and marker genotyping, between the individual genotyping strategy and the DNA pooling strategy. We find that the DNA pooling of two individuals can be more cost‐effective than individual genotypings, especially when a large number of haplotype systems are studied. Genet Epidemiol 24:74–82, 2003. Β© 2003 Wiley‐Liss, Inc.

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