Score tests for familial correlation in genotyped-proband designs.

abstract：:We contrast the pooling of multiple data sets with the compound HLOD (HLOD-C) and the posterior probability of linkage (PPL), two approaches that have been shown to have more power in the presence of genetic heterogeneity. We also propose and evaluate several multipoint extensions. ...

journal_title：Genetic epidemiology

authors： Van Eerdewegh P,Dowd M,Dupuis J,Falls K,Hayward B,Santangelo SL

更新日期：2001-01-01 00:00:00

abstract：:Orientals consisting of Japanese, Chinese, Koreans, and Filipinos are clearly at higher risk for cleft lip with or without cleft palate [CL(P)] than whites, Puerto Ricans, and Hawaiians/part-Hawaiians in Hawaii. Using the model of diallele cross, CL(P) incidences in incrosses and outcrosses involving 564,002 live birt...

journal_title：Genetic epidemiology

authors： Chung CS,Mi MP,Beechert AM

更新日期：1987-01-01 00:00:00

abstract：:Genome-wide association studies (GWAS) have identified many single nucleotide polymorphisms (SNPs) associated with complex traits. However, the genetic heritability of most of these traits remains unexplained. To help guide future studies, we address the crucial question of whether future GWAS can detect new SNP assoc...

journal_title：Genetic epidemiology

authors： Lindquist KJ,Jorgenson E,Hoffmann TJ,Witte JS

更新日期：2013-05-01 00:00:00

abstract：:In this study, we compare the statistical properties of a number of methods for estimating P-values for allele-sharing statistics in non-parametric linkage analysis. Some of the methods are based on the normality assumption, using different variance estimation methods, and others use simulation (gene-dropping) to find...

journal_title：Genetic epidemiology

authors： Jung J,Weeks DE,Feingold E

更新日期：2006-12-01 00:00:00

abstract：:The participants of Presentation Group 18 of Genetic Analysis Workshop 14 analyzed the Collaborative Study on the Genetics of Alcoholism data set to investigate sex-specific effects for phenotypes related to alcohol dependence. In particular, the participants looked at imprinting (which is also known as parent-of-orig...

journal_title：Genetic epidemiology

authors： Strauch K,Baur MP

更新日期：2005-01-01 00:00:00

abstract：:Grade of membership analysis (GoM) may have particular relevance for genetic epidemiology. The method can flexibly relate genetic markers, clinical features, and environmental exposures to possible subtypes of disease termed pure types even when population allele frequencies and penetrance functions are not known. Hen...

journal_title：Genetic epidemiology

authors： Corder EH,Woodbury MA

更新日期：1993-01-01 00:00:00

abstract：:A highly significant familial aggregation of eosinophil levels (X2(3) = 38.00) was detected in a sample from three Brazilian populations with a high incidence of helminthic parasitism. The data were unable to resolve genetic or common environment causation due to the lack of environmental concomitant variables. Result...

journal_title：Genetic epidemiology

authors： Moro-Furlani AM,Krieger H

更新日期：1992-01-01 00:00:00

abstract：:We used data from a population based series of breast cancer patients to investigate the genetic models that can best explain familial breast cancer not due to the BRCA1 and BRCA2 genes. The data set consisted of 1,484 women diagnosed with breast cancer under age 55 registered in the East Anglia Cancer registry betwee...

journal_title：Genetic epidemiology

authors： Antoniou AC,Pharoah PD,McMullan G,Day NE,Ponder BA,Easton D

更新日期：2001-07-01 00:00:00

abstract：:Methods to account for population structure (PS) in genome-wide association studies have been well developed in samples of unrelated individuals, but when a sample is composed of families, the task of finding and accounting for PS is not as straight forward. Family-based tests that condition on parental genotypes or t...

journal_title：Genetic epidemiology

authors： Peloso GM,Dupuis J,Lunetta KL

更新日期：2011-09-01 00:00:00

abstract：:Our aim was to develop a simple method for testing gene-environment interaction in twin data ascertained through affected twins (probands), with known exposure status of both cotwins. To this end we derived formulae for two epidemiologic measures, as a function of prevalence of an exposure and genotype, and disease ri...

journal_title：Genetic epidemiology

authors： Ottman R

更新日期：1994-01-01 00:00:00

abstract：:We address the analytical problem of evaluating the evidence for linkage at a test locus while taking into account the effect of a known linked disease locus. The method we propose is a multimarker regression approach that models the identity-by-descent states for affected sib-pairs at a series of linked markers in te...

journal_title：Genetic epidemiology

authors： Barber MJ,Todd JA,Cordell HJ

更新日期：2006-04-01 00:00:00

abstract：:In the past decade, many genome-wide association studies (GWASs) have been conducted to explore association of single nucleotide polymorphisms (SNPs) with complex diseases using a case-control design. These GWASs not only collect information on the disease status (primary phenotype, D) and the SNPs (genotypes, X), but...

journal_title：Genetic epidemiology

authors： Ray D,Basu S

更新日期：2017-07-01 00:00:00

abstract：:We propose methods to construct meiotic gene maps while controlling the probability of a decision-error. First, a single step gene ordering procedure is presented whose decision-error probability is bounded above by a prespecified threshold. The bound for the error probability is valid under quite general circumstance...

journal_title：Genetic epidemiology

authors： Rogatko A,Babb J,Jordan H,Zacks S

更新日期：1999-01-01 00:00:00

abstract：:We performed multivariate genetic analyses of cardiovascular risk factors from two sets of data on US and Australian female twins. Similar models for body mass index (BMI), serum low density (LDL) and high density (HDL) lipoproteins, including age as a covariate, were fitted successfully to both groups. These suggeste...

journal_title：Genetic epidemiology

authors： Duffy DL,O'Connell DL,Heller RF,Martin NG

更新日期：1993-01-01 00:00:00

abstract：:This paper describes a general genetic model which encompasses both autosomal and X-linked inheritance as submodels. It allows one to test for X-linked inheritance of a trait by comparing the likelihood of X-linked inheritance to the likelihood of the general genetic model. The general model is formulated as two loci,...

journal_title：Genetic epidemiology

authors： Hasstedt SJ,Skolnick M

更新日期：1984-01-01 00:00:00

abstract：:Mapping of the human genome has the potential to transform the traditional methods of genetic epidemiology. The complete draft sequence of the 3.3 billion nucleotides comprising the genome is now available over the Internet, including the location and nearly complete sequence of the 26,000 to 31,000 protein-encoding g...

journal_title：Genetic epidemiology

authors： Sellers TA,Yates JR

更新日期：2003-02-01 00:00:00

abstract：:The inheritance of pyloric stenosis is explained by a multifactorial threshold model with an underlying assumption that the liability for the disease is distributed in males and females showing a sex dimorphism. From the available data on familial occurrences of pyloric stenosis, it is shown, that an extra maternal ef...

journal_title：Genetic epidemiology

authors： Chakraborty R

更新日期：1986-01-01 00:00:00

abstract：:We examined the power of the stepwise iterated generalized least squares (GLS) method by modeling the relationship between quantitative traits and other variables using the simulated data for Problem 2A. The comparison between the generating model provided by the workshop and the results of the stepwise iterated GLS m...

journal_title：Genetic epidemiology

authors： He Q,Nemesure BB,Mendell NR

更新日期：1997-01-01 00:00:00

abstract：:To date, thousands of genetic variants to be associated with numerous human traits and diseases have been identified by genome-wide association studies (GWASs). The GWASs focus on testing the association between single trait and genetic variants. However, the analysis of multiple traits and single nucleotide polymorph...

journal_title：Genetic epidemiology

authors： Bu D,Yang Q,Meng Z,Zhang S,Li Q

更新日期：2020-10-01 00:00:00

abstract：:For the association analysis of whole-genome sequencing (WGS) studies, we propose an efficient and fast spatial-clustering algorithm. Compared to existing analysis approaches for WGS data, that define the tested regions either by sliding or consecutive windows of fixed sizes along variants, a meaningful grouping of ne...

journal_title：Genetic epidemiology

authors： Loehlein Fier H,Prokopenko D,Hecker J,Cho MH,Silverman EK,Weiss ST,Tanzi RE,Lange C

更新日期：2017-05-01 00:00:00

abstract：:Standard linear regression is commonly used for genetic association studies of quantitative traits. This approach may not be appropriate if the trait, on its original or transformed scales, does not follow a normal distribution. A rank-based nonparametric approach that does not rely on any distributional assumptions c...

journal_title：Genetic epidemiology

authors： Li Q,Li Z,Zheng G,Gao G,Yu K

更新日期：2013-05-01 00:00:00

abstract：:A range of study designs, using unrelated or family controls, were used to investigate the pattern of association with disease of single nucleotide polymorphisms (SNPs) within candidate gene 1 (simulated data). Strong evidence of disease association at the functional locus was detected using all study designs, and in ...

journal_title：Genetic epidemiology

authors： Saunders CL,Crockford GP,Bishop DT,Barrett JH

更新日期：2001-01-01 00:00:00

abstract：:We investigate the relevance of the genetic determination of bone mineral density (BMD) variation to that of differential risk to osteoporotic fractures (OF). The high heritability (h(2)) of BMD and the significant phenotypic correlations between high BMD and low risk to OF are well known. Little is reported on h(2) f...

journal_title：Genetic epidemiology

authors： Deng HW,Mahaney MC,Williams JT,Li J,Conway T,Davies KM,Li JL,Deng H,Recker RR

更新日期：2002-01-01 00:00:00

abstract：:Using a recently developed semiparametric method for combined linkage/linkage-disequilibrium analysis, we analyzed the Collaborative Study on the Genetics of Alcoholism data subset developed for Genetic Analysis Workshop 11 (GAW11). This semiparametric approach estimates recombination fractions for linkage, marker log...

journal_title：Genetic epidemiology

authors： Aragaki C,Quiaoit F,Hsu L,Zhao LP

更新日期：1999-01-01 00:00:00

abstract：:A major locus influencing apolipoprotein AI (apo AI) serum levels was detected using data from the Donner Laboratory Family Study. This locus accounts for 46% of the phenotypic variability in apo AI levels. Multivariate segregation analysis revealed that this major locus also has significant pleiotropic effects on the...

journal_title：Genetic epidemiology

authors： Blangero J,Williams-Blangero S,Mahaney MC

更新日期：1993-01-01 00:00:00

abstract：:Several methods have been proposed to increase power in rare variant association testing by aggregating information from individual rare variants (MAF < 0.005). However, how to best combine rare variants across multiple ethnicities and the relative performance of designs using different ethnic sampling fractions remai...

journal_title：Genetic epidemiology

authors： Mensah-Ablorh A,Lindstrom S,Haiman CA,Henderson BE,Marchand LL,Lee S,Stram DO,Eliassen AH,Price A,Kraft P

更新日期：2016-01-01 00:00:00

abstract：:The genotypes of individuals in replicate genetic association studies have some level of correlation due to shared descent in the complete pedigree of all living humans. As a result of this genealogical sharing, replicate studies that search for genotype-phenotype associations using linkage disequilibrium between mark...

journal_title：Genetic epidemiology

authors： Rosenberg NA,Vanliere JM

更新日期：2009-09-01 00:00:00

abstract：:The purpose of this commentary is to provide a framework for using the well-known sib-pair methodology in the context of epidemiologic study designs. Using examples from the Pittsburgh family studies of insulin-dependent diabetes mellitus, we illustrate that the sib-pair method can be used in family-based epidemiologi...

journal_title：Genetic epidemiology

authors： Khoury MJ,Flanders WD,Lipton RB,Dorman JS

更新日期：1991-01-01 00:00:00

abstract：:We construct data exploration tools for recognizing important covariate patterns associated with a phenotype, with particular focus on searching for association with gene-gene patterns. To this end, we propose a new variable selection procedure that employs latent selection weights and compare it to an alternative for...

journal_title：Genetic epidemiology

authors： Papathomas M,Molitor J,Hoggart C,Hastie D,Richardson S

更新日期：2012-09-01 00:00:00

abstract：:Twin pairs are sometimes included in studies because at least one of them is a proband, and conventionally the analysis of the data is based on the conditional distribution of the co twin given the proband. In the case of more than one proband in each pair, an often used "ad hoc" method of analysis is to allow each tw...

journal_title：Genetic epidemiology

authors： Hindsberger C,Bryld LE

更新日期：2003-11-01 00:00:00