Design of artificial neural network and its applications to the analysis of alcoholism data.

abstract：:We investigated the independent contributions of a candidate gene and an environmental factor, and the presence of gene x environment (G x E) interaction, in the etiology of a disease in the Genetic Analysis Workshop (GAW) 12 problem 2 simulated data using a two-stage approach utilizing both case-control and case-pare...

journal_title：Genetic epidemiology

authors： Norris JM,Selinger-Leneman H,Génin E

更新日期：2001-01-01 00:00:00

abstract：:Variable selection is growing in importance with the advent of high throughput genotyping methods requiring analysis of hundreds to thousands of single nucleotide polymorphisms (SNPs) and the increased interest in using these genetic studies to better understand common, complex diseases. Up to now, the standard approa...

journal_title：Genetic epidemiology

authors： Fridley BL

更新日期：2009-01-01 00:00:00

abstract：:It is commonly believed that multiple interacting genes increase the susceptibility of genetically complex diseases, yet few linkage analyses of human diseases scan for more than one locus at a time. To overcome some of the statistical and computational limitations of a simultaneous search for two disease susceptibili...

journal_title：Genetic epidemiology

authors： Schaid DJ,McDonnell SK,Carlson EE,Thibodeau SN,Ostrander EA,Stanford JL

更新日期：2007-07-01 00:00:00

abstract：:We examined familial resemblance and performed segregation analysis for the maximal expiratory flow rate at 50% of vital capacity (Vmax50) and the ratio of Vmax50 to forced vital capacity (FVC), based on data from 309 nuclear families with 1,045 individuals in the town of Humboldt, Saskatchewan, in 1993. Vmax50 is con...

journal_title：Genetic epidemiology

authors： Chen Y,Dosman JA,Rennie DC,Lockinger LA

更新日期：1999-01-01 00:00:00

abstract：:Systemic lupus erythematosus (SLE) is a complex disease which is partly determined by genetic factors which influence susceptibility to the disease phenotype. In this association study we try to define the high risk haplotypes which are responsible for this disease, together with other environmental factors. In many o...

journal_title：Genetic epidemiology

authors： Seuchter SA,Knapp M,Hartung K,Coldewey R,Kalden JR,Lakomek HJ,Peter HH,Deicher H,Baur MP

更新日期：1991-01-01 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：:Hybrid designs arose from an effort to combine the benefits of family-based and population-based study designs. A recently proposed hybrid approach augments case-parent triads with population-based control-parent triads, genotyping everyone except the control offspring. Including parents of controls substantially impr...

journal_title：Genetic epidemiology

authors： Vermeulen SH,Shi M,Weinberg CR,Umbach DM

更新日期：2009-02-01 00:00:00

abstract：:Apolipoprotein A-IV (APO A-IV) is a major protein component of mesenteric lymph chylomicrons and very-low-density lipoproteins. It is found in plasma predominantly unassociated with major lipoprotein fractions and in high density lipoproteins. APO A-IV exhibits structural heterogeneity owing to two codominant alleles,...

journal_title：Genetic epidemiology

authors： Eichner JE,Kuller LH,Ferrell RE,Kamboh MI

更新日期：1989-01-01 00:00:00

abstract：:Genes, including those with transgenerational effects, work in concert with behavioral, environmental, and social factors via complex biological networks to determine human health. Understanding complex relationships between causal factors underlying human health is an essential step towards deciphering biological mec...

journal_title：Genetic epidemiology

authors： Lou XY,Hou TT,Liu SY,Xu HM,Lin F,Tang X,MacLeod SL,Cleves MA,Hobbs CA

更新日期：2020-09-30 00:00:00

abstract：:When many correlated traits are measured the potential exists to discover the coordinated control of these traits via genotyped polymorphisms. A common statistical approach to this problem involves assessing the relationship between each phenotype and each single nucleotide polymorphism (SNP) individually (PHN); and t...

journal_title：Genetic epidemiology

authors： Klei L,Luca D,Devlin B,Roeder K

更新日期：2008-01-01 00:00:00

abstract：:Smalley et al. [(1992) Genet Epidemiol 9:333-345] found evidence of a mixture of two distributions in memory performance among offspring of patients with dementia of the Alzheimer type (DAT), suggesting that these groups reflect genotypic subgroups of carriers and non-carriers of a putative DAT gene. One prediction of...

journal_title：Genetic epidemiology

authors： Palmer CG,Wolkenstein BH,La Rue A,Swan GE,Smalley SL

更新日期：1994-01-01 00:00:00

abstract：:To explain the association between HLA-DRB1 gene and rheumatoid arthritis (RA), two main hypotheses have been proposed. The first, the shared epitope hypothesis, assumes a direct role of DRB1 in RA susceptibility. The second hypothesis assumes a recessive disease susceptibility gene in linkage disequilibrium with DRB1...

journal_title：Genetic epidemiology

authors： Génin E,Babron MC,McDermott MF,Mulcahy B,Waldron-Lynch F,Adams C,Clegg DO,Ward RH,Shanahan F,Molloy MG,O'Gara F,Clerget-Darpoux F

更新日期：1998-01-01 00:00:00

abstract：:The aim of this paper is to generalize permutation methods for multiple testing adjustment of significant partial regression coefficients in a linear regression model used for microarray data. Using a permutation method outlined by Anderson and Legendre [1999] and the permutation P-value adjustment from Simon et al. [...

journal_title：Genetic epidemiology

authors： Wagner BD,Zerbe GO,Mexal S,Leonard SS

更新日期：2008-01-01 00:00:00

abstract：:For many clinical studies in cancer, germline DNA is prospectively collected for the purpose of discovering or validating single-nucleotide polymorphisms (SNPs) associated with clinical outcomes. The primary clinical endpoint for many of these studies are time-to-event outcomes such as time of death or disease progres...

journal_title：Genetic epidemiology

authors： Owzar K,Li Z,Cox N,Jung SH

更新日期：2012-09-01 00:00:00

abstract：:To better understand the contribution of major gene influences to individual differences in cardiovascular reactivity, we performed a segregation analysis on blood pressure responses to two laboratory tasks, mental arithmetic and bicycle exercise. The study population consisted of 1,451 adults (age > or = 18 years) wh...

journal_title：Genetic epidemiology

authors： Cheng LS,Carmelli D,Hunt SC,Williams RR

更新日期：1997-01-01 00:00:00

abstract：:Complex diseases are presumed to be the results of interactions of several genes and environmental factors, with each gene only having a small effect on the disease. Thus, the methods that can account for gene-gene interactions to search for a set of marker loci in different genes or across genome and to analyze these...

journal_title：Genetic epidemiology

authors： Zhang Z,Zhang S,Wong MY,Wareham NJ,Sha Q

更新日期：2008-05-01 00:00:00

abstract：:Contributions to Group 17 of the Genetic Analysis Workshop 15 considered dense markers in linkage disequilibrium (LD) in the context of either linkage or association analysis. Three contributions reported on methods for modeling LD or selecting a subset of markers in linkage equilibrium to perform linkage analysis. Wh...

journal_title：Genetic epidemiology

authors： Dupuis J,Albers K,Allen-Brady K,Cho K,Elston RC,Kappen HJ,Tang H,Thomas A,Thomson G,Tsung E,Yang Q,Zhang W,Zhao K,Zheng G,Ziegler JT

更新日期：2007-01-01 00:00:00

abstract：:Bone mass may be so reduced in some individuals as to be characterized as osteoporotic, with resulting fracture, particularly of the proximal femur, vertebrae, or wrist. We identified 34 mother-daughter sets (n = 70) and 29 sibling sets (n = 59) from a community study of bone mass correlates to assess the degree of re...

journal_title：Genetic epidemiology

authors： Sowers MR,Burns TL,Wallace RB

更新日期：1986-01-01 00:00:00

abstract：:Association tests of multilocus haplotypes are of interest both in linkage disequilibrium mapping and in candidate gene studies. For case-parent trios, I discuss the extension of existing multilocus methods to include ambiguous haplotypes in tests of models which distinguish between the cis and trans phase. A likeliho...

journal_title：Genetic epidemiology

authors： Dudbridge F

更新日期：2003-09-01 00:00:00

abstract：:Family-based designs enriched with affected subjects and disease associated variants can increase statistical power for identifying functional rare variants. However, few rare variant analysis approaches are available for time-to-event traits in family designs and none of them applicable to the X chromosome. We develo...

journal_title：Genetic epidemiology

authors： Chien LC,Bowden DW,Chiu YF

更新日期：2017-09-01 00:00:00

abstract：:Power estimations are important for optimizing genotype-phenotype association study designs. However, existing frameworks are designed for common disorders, and thus ill-suited for the inherent challenges of studies for low-prevalence conditions such as rare diseases and infrequent adverse drug reactions. These challe...

journal_title：Genetic epidemiology

authors： Mak L,Li M,Cao C,Gordon P,Tarailo-Graovac M,Bousman C,Wang P,Long Q

更新日期：2018-07-01 00:00:00

abstract：:We used a case-control design to scan the genome for any associations between genetic markers and disease susceptibility loci using the first two replicates of the Mycenaean population from the GAW11 (Problem 2) data. Using a case-control approach, we constructed a series of 2-by-3 tables for each allele of every mark...

journal_title：Genetic epidemiology

authors： Yang Q,Khoury MJ,Atkinson M,Sun F,Cheng R,Flanders WD

更新日期：1999-01-01 00:00:00

abstract：:Logistic regression is the primary analysis tool for binary traits in genome-wide association studies (GWAS). Multinomial regression extends logistic regression to multiple categories. However, many phenotypes more naturally take ordered, discrete values. Examples include (a) subtypes defined from multiple sources of ...

journal_title：Genetic epidemiology

authors： German CA,Sinsheimer JS,Klimentidis YC,Zhou H,Zhou JJ

更新日期：2020-04-01 00:00:00

abstract：:Genome-wide association studies are proven tools for finding disease genes, but it is often necessary to combine many cohorts into a meta-analysis to detect statistically significant genetic effects. Often the component studies are performed by different investigators on different populations, using different chips wi...

journal_title：Genetic epidemiology

authors： Begum F,Sharker MH,Sherman SL,Tseng GC,Feingold E

更新日期：2016-02-01 00:00:00

abstract：:Genetic studies are continuing to generate volumes and variety of data that can be used to examine the genetic effects. Often the effect of a genetic variant varies by nongenetic measures, what is traditionally defined as gene-environment interaction (G×E). If the G×E term is neglected, estimates of the main effects c...

journal_title：Genetic epidemiology

authors： Lobach I

更新日期：2018-12-01 00:00:00

abstract：:Mantel statistics provide an additional step to standard approaches in the analysis of gene expression and covariate data, allow the calculation of standard statistics such as correlation, partial correlation, and regression coefficients, and, with permutation tests, provide P values for these statistics to relate the...

journal_title：Genetic epidemiology

authors： Shannon WD,Watson MA,Perry A,Rich K

更新日期：2002-06-01 00:00:00

abstract：:We combined the five chromosome 18 bipolar affective disorder data sets provided by GAW10, totaling 185 families with 3,394 individuals, and performed analysis of differential parental transmission and chromosome 18 marker allele sharing in families with transmission through fathers vs those through mothers. Results i...

journal_title：Genetic epidemiology

authors： Lin JP,Bale SJ

更新日期：1997-01-01 00:00:00

abstract：:Three characteristics of genetic epidemiology that distinguish it from its parent disciplines are a focus on population-based research, a focus on the joint effects of genes and the environment, and the incorporation of the underlying biology of the disease into its conceptual models. These principles are illustrated ...

journal_title：Genetic epidemiology

authors： Thomas DC

更新日期：2000-12-01 00:00:00

abstract：:This paper discusses the theory and implementation of a model for mapping X-linked quantitative trait loci (QTL). As a result of X inactivation, a female's body is subdivided into a number of patches. In each patch one of her two X chromosomes is randomly switched off. This smooths the allelic contributions in a heter...

journal_title：Genetic epidemiology

authors： Lange K,Sobel E

更新日期：2006-07-01 00:00:00

abstract：:Over the past few years at least 13 transmission/disequilibrium test (TDT)-based tests have been developed for quantitative (Q) traits for the assessment of association or linkage in the presence of the other. A total of six of these QTDT methods were used to analyze log10IgE in the Collaborative Study on the Genetics...

journal_title：Genetic epidemiology

authors： Page GP,Wilcox MA,Occhiuto J,Adak S,Neuberg D,Bajorunaite R,George V

更新日期：2001-01-01 00:00:00