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Background Survival analysis methods have been widely applied in different areas of health and medicine, spanning over varying events of interest and target diseases. They can be utilized to provide relationships between the survival time of individuals and factors of interest, rendering them useful in searching for biomarkers in diseases such as cancer. However, some disease progression can be very...
The habitats of polyploid species are generally distinct from their parental species. Stebbins described polyploids as ‘general purpose genotypes’, which can tolerate a wide range of environmental conditions. However, little is known about its molecular basis because of the complexity of polyploid genomes. We hypothesized that allopolyploid species might utilize the expression patterns of both parents...
Three or more transcription factors (TFs) often work together, and the combinatorial regulations are essential in cellular machinery. However, it is impossible to discover statistically significant sets of TF binding motifs due to the necessity of the multiple testing procedure. To improve the sensitivity of widely used Bonferroni correction or its modified methods, such as Holm procedure, Westfall-Young...
Three or more motifs often work together, and the effects are essential in cellular machinery. However, the scanning of the associations of motifs is limited to single motifs or pairs, as the result of scanning for combinations of three or more motifs often includes no significant results. Even if we find a combination with a very small raw P-value in the scan, the combination is not significant because...
A gene network is constructed with genes as nodes, and interactions between genes as edges so as to reveal unknown gene functions and relationship. However, nodes and edges of gene networks are usually very numerous. Because of that, it may be difficult to understand relations between genomic functions and gene-gene interactions, if it is visualized by traditional techniques. This paper presents our...
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