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- research-articleAugust 2022
WGRLR: A Weighted Group Regularized Logistic Regression for Cancer Diagnosis and Gene Selection
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 20, Issue 2Pages 1563–1573https://doi.org/10.1109/TCBB.2022.3203167Sparse regressions applied to cancer diagnosis suffer from noise reduction, gene grouping, and group significance evaluation. This paper presented the weighted group regularized logistic regression (WGRLR) for dealing with the above problems. Clean data ...
- research-articleMay 2022
Joint Sparse Collaborative Regression on Imaging Genetics Study of Schizophrenia
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 20, Issue 2Pages 1137–1146https://doi.org/10.1109/TCBB.2022.3172289The imaging genetics approach generates large amount of high dimensional and multi-modal data, providing complementary information for comprehensive study of Schizophrenia, a complex mental disease. However, at the same time, the variety of these data in ...
- research-articleApril 2022
Small-Sample Estimation of the Mutational Support and Distribution of SARS-CoV-2
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 20, Issue 1Pages 668–682https://doi.org/10.1109/TCBB.2022.3165395We consider the problem of determining the <italic>mutational support and distribution</italic> of the SARS-CoV-2 viral genome in the small-sample regime. The mutational support refers to the unknown number of sites that may eventually mutate in the SARS-...
- research-articleAugust 2021
A Robust and Generalizable Immune-Related Signature for Sepsis Diagnostics
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 19, Issue 6Pages 3246–3254https://doi.org/10.1109/TCBB.2021.3107874High-throughput sequencing can detect tens of thousands of genes in parallel, providing opportunities for improving the diagnostic accuracy of multiple diseases including sepsis, which is an aggressive inflammatory response to infection that can cause ...
- research-articleJuly 2021
Stratified Test Accurately Identifies Differentially Expressed Genes Under Batch Effects in Single-Cell Data
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 18, Issue 6Pages 2072–2079https://doi.org/10.1109/TCBB.2021.3094650Analyzing single-cell sequencing data from large cohorts is challenging. Discrepancies across experiments and differences among participants often lead to omissions and false discoveries in differentially expressed genes. We find that the Van Elteren test,...
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- research-articleMay 2021
Computational Modeling of Gene-Specific Transcriptional Repression, Activation and Chromatin Interactions in Leukemogenesis by LASSO-Regularized Logistic Regression
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 18, Issue 6Pages 2109–2122https://doi.org/10.1109/TCBB.2021.3078128Many physiological and pathological pathways are dependent on gene-specific on/off regulation of transcription. Some genes are repressed, while others are activated. Although many previous studies have analyzed the mechanisms of gene-specific repression ...
- research-articleFebruary 2021
An Ensemble Method to Reconstruct Gene Regulatory Networks Based on Multivariate Adaptive Regression Splines
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 18, Issue 1Pages 347–354https://doi.org/10.1109/TCBB.2019.2900614Gene regulatory networks (GRNs) play a key role in biological processes. However, GRNs are diverse under different biological conditions. Reconstructing gene regulatory networks (GRNs) from gene expression has become an important opportunity and challenge ...
- research-articleDecember 2020
Bayesian Modeling for Epistasis Analysis Using Data-Driven Reversible Jump
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 19, Issue 3Pages 1495–1506https://doi.org/10.1109/TCBB.2020.3043857We propose a procedure for modeling a phenotype using QTLs which estimate the additive and dominance effects of genotypes and epistasis. The estimation of the model is implemented through a Bayesian approach which uses the data-driven reversible jump (...
- research-articleOctober 2020
A Novel Edge Effect Detection Method for Real-Time Cellular Analyzer Using Functional Principal Component Analysis
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 17, Issue 5Pages 1563–1572https://doi.org/10.1109/TCBB.2019.2903094Real-time cellular analyzer (RTCA) has been generally applied to test the cytotoxicity of chemicals. However, several factors impact the experimental quality. A non-negligible factor is the abnormal time-dependent cellular response curves (TCRCs) of the ...
- research-articleJune 2020
Generic Context-Aware Group Contributions
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 19, Issue 1Pages 429–442https://doi.org/10.1109/TCBB.2020.2998948Many properties of molecules vary systematically with changes in the structural formula and can thus be estimated from regression models defined on small structural building blocks, usually functional groups. Typically, such approaches are limited to a ...
- research-articleApril 2020
DFseq: Distribution-Free Method to Detect Differential Gene Expression for RNA-Sequencing Data
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 17, Issue 2Pages 558–565https://doi.org/10.1109/TCBB.2018.2866994Many current RNA-sequencing data analysis methods compare expressions one gene at a time, taking little consideration of the correlations among genes. In this study, we propose a method to convert such an one-dimensional comparison approach into a two-...
- research-articleFebruary 2020
Estimating Functional Connectivity by Integration of Inherent Brain Function Activity Pattern Priors
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 18, Issue 6Pages 2420–2430https://doi.org/10.1109/TCBB.2020.2974952Brain functional connectivity (FC) has shown great potential in becoming biomarkers of brain status. However, the problem of accurately estimating FC from complex-noisy fMRI time series remains unsolved. Usually, a regularization function is more ...
- research-articleFebruary 2020
Class Balanced Multifactor Dimensionality Reduction to Detect Gene–Gene Interactions
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 17, Issue 1Pages 71–81https://doi.org/10.1109/TCBB.2018.2858776Detecting gene–gene interactions in single-nucleotide polymorphism data is vital for understanding disease susceptibility. However, existing approaches may be limited by the sample size in case–control studies. Herein, we propose a balance ...
- research-articleDecember 2019
RNASeqR: An R Package for Automated Two-Group RNA-Seq Analysis Workflow
- Kuan-Hao Chao,
- Yi-Wen Hsiao,
- Yi-Fang Lee,
- Chien-Yueh Lee,
- Liang-Chuan Lai,
- Mong-Hsun Tsai,
- Tzu-Pin Lu,
- Eric Y. Chuang
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 18, Issue 5Pages 2023–2031https://doi.org/10.1109/TCBB.2019.2956708RNA-Seq analysis has revolutionized researchers’ understanding of the transcriptome in biological research. Assessing the differences in transcriptomic profiles between tissue samples or patient groups enables researchers to explore the underlying ...
- research-articleNovember 2019
A Latent Gaussian Copula Model for Mixed Data Analysis in Brain Imaging Genetics
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 18, Issue 4Pages 1350–1360https://doi.org/10.1109/TCBB.2019.2950904Recent advances in imaging genetics make it possible to combine different types of data including medical images like functional magnetic resonance imaging (fMRI) and genetic data like single nucleotide polymorphisms (SNPs) for comprehensive diagnosis of ...
- research-articleApril 2019
A Unified Model for Joint Normalization and Differential Gene Expression Detection in RNA-Seq Data
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 16, Issue 2Pages 442–454https://doi.org/10.1109/TCBB.2018.2790918The RNA-sequencing (RNA-seq) is becoming increasingly popular for quantifying gene expression levels. Since the RNA-seq measurements are relative in nature, between-sample normalization is an essential step in differential expression (DE) analysis. The ...
- research-articleApril 2019
Estrogenic Active Stilbene Derivatives as Anti-Cancer Agents: A DFT and QSAR Study
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 16, Issue 2Pages 560–568https://doi.org/10.1109/TCBB.2017.2779505Exploring different quantum chemical quantities for lead compounds is an ongoing approach in identifying crucial structural activity related features that are contributing into their biological activities. Herein, activity-related quantum chemical ...
- research-articleApril 2019
A Feature Sampling Strategy for Analysis of High Dimensional Genomic Data
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 16, Issue 2Pages 434–441https://doi.org/10.1109/TCBB.2017.2779492With the development of high throughput technology, it has become feasible and common to profile tens of thousands of gene activities simultaneously. These genomic data typically have sample size of hundreds or fewer, which is much less than the feature ...
- research-articleJuly 2018
A Sparse Regression Method for Group-Wise Feature Selection with False Discovery Rate Control
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 15, Issue 4Pages 1066–1078https://doi.org/10.1109/TCBB.2017.2780106The method of Sorted L-One Penalized Estimation, or SLOPE, is a sparse regression method recently introduced by Bogdan et. al. [1] . It can be used to identify significant predictor variables in a linear model that may have more unknown parameters than ...
- research-articleJuly 2015
An integrated framework for functional annotation of protein structural domains
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), Volume 12, Issue 4Pages 902–913https://doi.org/10.1109/TCBB.2015.2389213Structural domains are evolutionary and functional units of proteins and play a critical role in comparative and functional genomics. Computational assignment of domain function with high reliability is essential for understanding whole-protein ...