Research Topics
Genomes and Genes | Andrew AllenSummaryAffiliation: Duke University Medical Center Country: USA Publications
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Publications
Effect of population stratification on the identification of significant single-nucleotide polymorphisms in genome-wide association studiesSara M Sarasua
Department of Genetics and Biochemistry, Clemson University, 100 Jordan Hall, Clemson, South Carolina 29634 0318, USA
BMC Proc 3:S13. 2009..In particular, we find no evidence for association of TRAF1-C5 with rheumatoid arthritis...
Application of a rank-based genetic association test to age-at-onset data from the Collaborative Study on the Genetics of Alcoholism studyYi Ju Li
Center for Human Genetics, Duke University Medical Center, Durham, NC 27710, USA
BMC Genet 6:S53. 2005..These two regions may harbor genes that regulate age at onset of ALDX1 and ALDX2. Future fine mapping of these two regions with densely spaced markers is warranted...
A novel haplotype-sharing approach for genome-wide case-control association studies implicates the calpastatin gene in Parkinson's diseaseAndrew S Allen
Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina 27710, USA
Genet Epidemiol 33:657-67. 2009..Further, a missing-data artifact that causes a spurious single-SNP association on chromosome 9 does not impact our test...
Association mapping via a class of haplotype-sharing statisticsAndrew S Allen
Department of Biostatistics and Bioinformatics, Duke University, Hock Plaza, Suite 1102, 2424 Erwin Road, Durham, North Carolina 27705, USA
BMC Proc 1:S123. 2007..We find that these haplotype-based statistics result in greater power and better risk locus localization than the single locus single-nucleotide polymorphism analysis...
SNPs in CAST are associated with Parkinson disease: a confirmation studyAndrew S Allen
Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina, USA
Am J Med Genet B Neuropsychiatr Genet 153:973-9. 2010..0167) between PD and SNP rs1559085 in CAST. These findings confirm CAST/PD associations in a second, independent, dataset and suggest that CAST be prioritized for further investigation...
Robust testing of haplotype/disease associationAndrew S Allen
Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, USA
BMC Genet 6:S69. 2005..Here we evaluate this approach by applying it to the Genetic Analysis Workshop 14 simulated data...
Genome-wide association analysis of rheumatoid arthritis data via haplotype sharingAndrew S Allen
Department of Biostatistics and Bioinformatics and Duke Clinical Research Institute, Duke University, DUMC 3850, Durham, North Carolina 27710 USA
BMC Proc 3:S30. 2009..3. These regions contain genes with interesting potential connections with rheumatoid arthritis and are not identified using single single-nucleotide polymorphism methods...
Inference on haplotype/disease association using parent-affected-child data: the projection conditional on parental haplotypes methodAndrew S Allen
Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina, USA
Genet Epidemiol 31:211-23. 2007..Our approach generalizes previous results of Allen et al. ([2005] Biometrika 92:559-571), allowing for missing genotype data and haplotype x environment interactions. Additional computational simplifications are also discussed...
Informative missingness in genetic association studies: case-parent designsAndrew S Allen
Department of Biostatistics and Bioinformatics and Duke Clinical Research Institute, Duke University Medical Center, Durham, NC, USA
Am J Hum Genet 72:671-80. 2003....
Statistical models for haplotype sharing in case-parent trio dataAndrew S Allen
Department of Bioinformatics and Biostatistics, Duke University, North Carolina, USA
Hum Hered 64:35-44. 2007..Further, permutation testing may be inappropriate in the presence of phase ambiguity and population stratification...
Relationship of genetic variability and depressive symptoms to adverse events after coronary artery bypass graft surgeryBarbara Phillips-Bute
Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA
Psychosom Med 70:953-9. 2008..To assess genetic variability in two serotonin-related gene polymorphisms (MAOA-uVNTR and 5HTTLPR) and their relationships to depression and adverse cardiac events in a sample of patients undergoing coronary artery bypass surgery...
Adjusting for covariates on a slippery slope: linkage analysis of change over timeEvadnie Rampersaud
Section of Medical Genetics, Department of Medicine, Center for Human Genetics, Duke University Medical Center, Durham, North Carolina, USA
BMC Genet 4:S50. 2003....
Reduction of myocardial ischemic injury following coronary intervention (the MC-1 to Eliminate Necrosis and Damage trial)David E Kandzari
Duke Clinical Research Institute, Durham, NC 27715, USA
Am J Cardiol 92:660-4. 2003..These results support the evaluation of MC-1 in pivotal trials of patients at risk for developing myocardial ischemia, infarction, or reperfusion injury...
Determinants of exhaled nitric oxide levels in healthy, nonsmoking African American adultsMarc C Levesque
Department of Medicine, Division of Rheumatology and Immunology, Duke University Medical Center, Durham, NC 27710, USA
J Allergy Clin Immunol 121:396-402.e3. 2008..More needs to be known about the factors that regulate FeNO. There is a need for FeNO reference values for African Americans...
Robust estimation and testing of haplotype effects in case-control studiesAndrew S Allen
Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina 27710, USA
Genet Epidemiol 32:29-40. 2008..We establish key relationships between estimators and study their empirical performance via simulation...
Joint models for toxicology studies with dose-dependent number of implantationsAndrew S Allen
Department of Biostatistics and Bioinformatics and Duke Clinical Research Institute, Duke University Medical Center, Durham, NC 27715, USA
Risk Anal 22:1165-73. 2002..In a simulation study, our approach has smaller bias and variance than the multiple imputation procedure of Dunson...
Genetic association studies in cardiologyMark P Donahue
Duke University Medical Center and the Duke Clinical Research Institute, Durham, NC 27710, USA
Am Heart J 149:964-70. 2005..We then focus on the distinction between association and causation and conclude with perspectives on how this field of study may move forward in a productive manner...
Bootstrap calibration of TRANSMIT for informative missingness of parental genotype dataAndrew S Allen
Department of Biostatistics and Bioinformatics and Duke Clinical Research Institute, Duke University, Durham, North Carolina, USA
BMC Genet 4:S39. 2003..We illustrate this approach by applying it to data on hypertensive probands and their parents who participated in the Framingham Heart Study...
Characteristics of treated hypertension in incident hemodialysis and peritoneal dialysis patientsTodd F Griffith
Duke Institute of Renal Outcomes Research and Health Policy, Department of Medicine, Duke University Medical Center, Durham, NC, USA
Am J Kidney Dis 42:1260-9. 2003..This study describes the treatment of hypertension and assesses the association between mortality and class of antihypertensive medication among a cohort of dialysis patients...
Power calculations for large multi-arm placebo-controlled studies of dichotomous outcomesVic Hasselblad
Department of Biostatistics and Bioinformatics and Duke Clinical Research Institute, PO Box 17969, Duke University Medical Center, Durham, NC 27715, U S A
Stat Med 22:1943-54. 2003..These results remained nearly constant over a wide range of sample sizes, average event rates and average effect sizes...
Aging-related atherosclerosis is exacerbated by arterial expression of tumor necrosis factor receptor-1: evidence from mouse models and human association studiesLisheng Zhang
Department of Medicine Cardiology, Duke University Medical Center, Durham, NC, USA
Hum Mol Genet 19:2754-66. 2010..We conclude that TNFR1 polymorphisms associate with aging-related CAD in humans, and TNFR1 contributes to aging-dependent atherosclerosis in mice...
Genetic association tests based on ranks (GATOR) for quantitative traits with and without censoringAndrew S Allen
Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina 27710, USA
Genet Epidemiol 30:248-58. 2006..The power and efficacy of the approach is illustrated through a series of simulation experiments in which the approach is compared to existing methods...
Testing gene-treatment interactions in pharmacogenetic studiesMin He
Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina, USA
J Biopharm Stat 20:301-14. 2010..We present methods for both autosomal and X-linked markers and show how the methods can be easily implemented using standard statistical software...
Long-term survival estimates for imatinib versus interferon-alpha plus low-dose cytarabine for patients with newly diagnosed chronic-phase chronic myeloid leukemiaKevin J Anstrom
Center for Clinical and Genetic Economics, Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA
Cancer 101:2584-92. 2004..CONCLUSIONS: Assuming the relation between CCyR and survival with interferon-alpha holds for imatinib, higher CCyR rates with imatinib therapy will result in an estimated 6.23 life-years gained compared with treatment with IFN+LDAC...
Research Grants
- Robust Methods for the Efficient Analysis and Integration of DNA Sequence DataAndrew S Allen; Fiscal Year: 2010....
- Robust Methods for the Efficient Analysis and Integration of DNA Sequence DataAndrew S Allen; Fiscal Year: 2010..abstract_text> ..
