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Journal ArticleDOI

Association study designs for complex diseases

Lon R. Cardon, +1 more
- 01 Feb 2001 - 
- Vol. 2, Iss: 2, pp 91-99
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TLDR
With the discovery of massive numbers of genetic markers and the development of better tools for genotyping, association studies will inevitably proliferate and now is the time to consider critically the design of such studies to avoid the mistakes of the past and to maximize their potential to identify new components of disease.
Abstract
Assessing the association between DNA variants and disease has been used widely to identify regions of the genome and candidate genes that contribute to disease. However, there are numerous examples of associations that cannot be replicated, which has led to skepticism about the utility of the approach for common conditions. With the discovery of massive numbers of genetic markers and the development of better tools for genotyping, association studies will inevitably proliferate. Now is the time to consider critically the design of such studies, to avoid the mistakes of the past and to maximize their potential to identify new components of disease.

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Gene Polymorphism of Platelet Glycoprotein I bα in Chinese Patients with Large- and Small-Artery Subtypes of Ischemic Stroke

TL;DR: Results suggest that the polymorphism of the GP I bα HPA2 genotype might not be a genetic risk factor of ischemic stroke.
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Marker-trait associations for survival, growth, and flowering components in Eucalyptus cladocalyx under arid conditions

TL;DR: Thirty-five half-sib families from Australia were used to identify inter-simple sequence repeat (ISSR) markers that are associated with growth, flowering traits, and tree survival under arid conditions in southern Atacama Desert, Chile.
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Congenic strains provide evidence that a mapped locus on chromosome 15 influences excitotoxic cell death

TL;DR: Findings confirm the existence of polymorphic loci within the reduced critical region of Sicd2 that regulate the severity of seizure‐induced cell death and confer strong protection against seizure‐ induced excitotoxic cell death.
References
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Journal ArticleDOI

Inference of population structure using multilocus genotype data

TL;DR: Pritch et al. as discussed by the authors proposed a model-based clustering method for using multilocus genotype data to infer population structure and assign individuals to populations, which can be applied to most of the commonly used genetic markers, provided that they are not closely linked.
Journal ArticleDOI

A novel gene containing a trinucleotide repeat that is expanded and unstable on Huntington's disease chromosomes

TL;DR: In this article, the authors used haplotype analysis of linkage disequilibrium to spotlight a small segment of 4p16.3 as the likely location of the defect, which is expanded and unstable on HD chromosomes.
Journal ArticleDOI

Identification of the cystic fibrosis gene: cloning and characterization of complementary DNA.

TL;DR: A deletion of three base pairs that results in the omission of a phenylalanine residue at the center of the first predicted nucleotide-binding domain was detected in CF patients.
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