Search Results for author: Guo-Wei Wei

Found 45 papers, 12 papers with code

Drug resistance revealed by in silico deep mutational scanning and mutation tracker

no code implementations5 Mar 2024 Dong Chen, Gengzhuo Liu, Hongyan Du, JunJie Wee, Rui Wang, Jiahui Chen, Jana Shen, Guo-Wei Wei

As COVID-19 enters its fifth year, it continues to pose a significant global health threat, with the constantly mutating SARS-CoV-2 virus challenging drug effectiveness.

Drug Discovery

Multiscale differential geometry learning of networks with applications to single-cell RNA sequencing data

1 code implementation15 Dec 2023 Hongsong Feng, Sean Cottrell, Yuta Hozumi, Guo-Wei Wei

Single-cell RNA sequencing (scRNA-seq) has emerged as a transformative technology, offering unparalleled insights into the intricate landscape of cellular diversity and gene expression dynamics.

Multiscale Topology in Interactomic Network: From Transcriptome to Antiaddiction Drug Repurposing

no code implementations3 Dec 2023 Hongyan Du, Guo-Wei Wei, Tingjun Hou

This study embarked on an innovative and rigorous strategy to unearth potential drug repurposing candidates for opioid and cocaine addiction treatment, bridging the gap between transcriptomic data analysis and drug discovery.

Drug Discovery Topological Data Analysis

Integration of persistent Laplacian and pre-trained transformer for protein solubility changes upon mutation

no code implementations28 Oct 2023 JunJie Wee, Jiahui Chen, Kelin Xia, Guo-Wei Wei

The Transformer, pretrained with hunderds of millions of protein sequences, embeds wild-type and mutant sequences, while persistent Laplacians track the topological invariant change and homotopic shape evolution induced by mutations in 3D protein structures, which are rendered from AlphaFold2.

Analyzing Single Cell RNA Sequencing with Topological Nonnegative Matrix Factorization

1 code implementation24 Oct 2023 Yuta Hozumi, Guo-Wei Wei

Single-cell RNA sequencing (scRNA-seq) is a relatively new technology that has stimulated enormous interest in statistics, data science, and computational biology due to the high dimensionality, complexity, and large scale associated with scRNA-seq data.

K-Nearest-Neighbors Induced Topological PCA for scRNA Sequence Data Analysis

no code implementations23 Oct 2023 Sean Cottrell, Yuta Hozumi, Guo-Wei Wei

We further introduce a k-Nearest-Neighbor (kNN) persistent Laplacian technique to improve the robustness of our persistent Laplacian method.

Dimensionality Reduction feature selection

ChatGPT for Computational Topology

1 code implementation11 Oct 2023 Jian Liu, Li Shen, Guo-Wei Wei

This work serves as an initial step towards effectively transforming pure mathematical theories into practical computational tools, with the ultimate goal of enabling real applications across diverse fields.

Topological Data Analysis

ChatGPT in Drug Discovery: A Case Study on Anti-Cocaine Addiction Drug Development with Chatbots

no code implementations14 Aug 2023 Rui Wang, Hongsong Feng, Guo-Wei Wei

This paper not only explores the integration of advanced AI in drug discovery but also reimagines the landscape by advocating for AI-powered chatbots as trailblazers in revolutionizing therapeutic innovation.

Chatbot Drug Discovery +1

Artificial intelligence-aided protein engineering: from topological data analysis to deep protein language models

no code implementations27 Jul 2023 Yuchi Qiu, Guo-Wei Wei

Protein engineering is an emerging field in biotechnology that has the potential to revolutionize various areas, such as antibody design, drug discovery, food security, ecology, and more.

Drug Discovery Protein Structure Prediction +1

Machine Learning Study of the Extended Drug-target Interaction Network informed by Pain Related Voltage-Gated Sodium Channels

1 code implementation11 Jul 2023 Long Chen, Jian Jiang, Bozheng Dou, Hongsong Feng, Jie Liu, Yueying Zhu, Bengong Zhang, Tianshou Zhou, Guo-Wei Wei

Pain is a significant global health issue, and the current treatment options for pain management have limitations in terms of effectiveness, side effects, and potential for addiction.

Management

Multi-objective Molecular Optimization for Opioid Use Disorder Treatment Using Generative Network Complex

no code implementations13 Jun 2023 Hongsong Feng, Rui Wang, Chang-Guo Zhan, Guo-Wei Wei

Opioid Use Disorder (OUD) has emerged as a significant global public health issue, with complex multifaceted conditions.

Mathematics-assisted directed evolution and protein engineering

no code implementations6 Jun 2023 Yuchi Qiu, Guo-Wei Wei

Persistent Laplacians, an emerging technique in topological data analysis (TDA), have made structure-based embeddings a superb option in AIDE and AIPE.

Topological Data Analysis

Persistent Laplacian-enhanced Algorithm for Scarcely Labeled Data Classification

no code implementations25 May 2023 Gokul Bhusal, Ekaterina Merkurjev, Guo-Wei Wei

Overall, it is a very efficient procedure that requires much less labeled data to perform well compared to many ML techniques, and it can be adapted for both small and large datasets.

Classification speech-recognition +1

Machine-learning Repurposing of DrugBank Compounds for Opioid Use Disorder

1 code implementation1 Mar 2023 Hongsong Feng, Jian Jiang, Guo-Wei Wei

Using these predictors, we systematically analyzed the binding affinities of DrugBank compounds on four opioid receptors.

Drug Discovery

Persistent topological Laplacian analysis of SARS-CoV-2 variants

no code implementations25 Jan 2023 Xiaoqi Wei, Jiahui Chen, Guo-Wei Wei

Topological data analysis (TDA) is an emerging field in mathematics and data science.

Topological Data Analysis

Machine-learning Analysis of Opioid Use Disorder Informed by MOR, DOR, KOR, NOR and ZOR-Based Interactome Networks

1 code implementation12 Jan 2023 Hongsong Feng, Rana Elladki, Jian Jiang, Guo-Wei Wei

Despite that a few pharmacological agents have been approved for OUD treatment, the efficacy of said agents for OUD requires further improvement in order to provide safer and more effective pharmacological and psychosocial treatments.

SVSBI: Sequence-based virtual screening of biomolecular interactions

1 code implementation27 Dec 2022 Li Shen, Hongsong Feng, Yuchi Qiu, Guo-Wei Wei

Virtual screening (VS) is an essential technique for understanding biomolecular interactions, particularly, drug design and discovery.

Drug Discovery Molecular Docking

Emerging dominant SARS-CoV-2 variants

no code implementations18 Oct 2022 Jiahui Chen, Rui Wang, Yuta Hozumi, Gengzhuo Liu, Yuchi Qiu, Xiaoqi Wei, Guo-Wei Wei

Accurate and reliable forecasting of emerging dominant severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants enables policymakers and vaccine makers to get prepared for future waves of infections.

Topological AI forecasting of future dominating viral variants

no code implementations7 Sep 2022 Guo-Wei Wei

AI-based forecasting of Omicron's infectivity, vaccine breakthrough, and antibody resistance was later nearly perfectly confirmed by experiments.

CCP: Correlated Clustering and Projection for Dimensionality Reduction

2 code implementations8 Jun 2022 Yuta Hozumi, Rui Wang, Guo-Wei Wei

Most dimensionality reduction methods employ frequency domain representations obtained from matrix diagonalization and may not be efficient for large datasets with relatively high intrinsic dimensions.

Clustering Dimensionality Reduction

Persistent Laplacian projected Omicron BA.4 and BA.5 to become new dominating variants

no code implementations1 May 2022 Jiahui Chen, Yuchi Qiu, Rui Wang, Guo-Wei Wei

In particular, BA. 4 and BA. 5 are about 36\% more infectious than BA. 2 and are projected to become new dominating variants by natural selection.

Mathematical artificial intelligence design of mutation-proof COVID-19 monoclonal antibodies

no code implementations20 Apr 2022 Jiahui Chen, Guo-Wei Wei

It is imperative to develop effective mutation-proof mAbs for treating COVID-19 patients infected by all emerging variants and/or the original SARS-CoV-2.

Omicron BA.2 (B.1.1.529.2): high potential to becoming the next dominating variant

no code implementations10 Feb 2022 Jiahui Chen, Guo-Wei Wei

The Omicron variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly replaced the Delta variant as a dominating SARS-CoV-2 variant because of natural selection, which favors the variant with higher infectivity and stronger vaccine breakthrough ability.

Omicron (B.1.1.529): Infectivity, vaccine breakthrough, and antibody resistance

no code implementations1 Dec 2021 Jiahui Chen, Rui Wang, Nancy Benovich Gilby, Guo-Wei Wei

The latest severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant Omicron (B. 1. 1. 529) has ushered panic responses around the world due to its contagious and vaccine escape mutations.

MLIMC: Machine learning-based implicit-solvent Monte Carlo

no code implementations24 Sep 2021 Jiahui Chen, Weihua Geng, Guo-Wei Wei

Monte Carlo (MC) methods are important computational tools for molecular structure optimizations and predictions.

BIG-bench Machine Learning

Proteome-informed machine learning studies of cocaine addiction

1 code implementation17 Sep 2021 Kaifu Gao, Dong Chen, Alfred J Robison, Guo-Wei Wei

Cocaine addiction accounts for a large portion of substance use disorders and threatens millions of lives worldwide.

BIG-bench Machine Learning

Review of the mechanisms of SARS-CoV-2 evolution and transmission

no code implementations15 Sep 2021 Jiahui Chen, Rui Wang, Guo-Wei Wei

We anticipate that viral evolution will combine RBD co-mutations at these two sites, creating future variants that are tens of times more infectious than the original SARS-CoV-2.

Emerging vaccine-breakthrough SARS-CoV-2 variants

no code implementations9 Sep 2021 Rui Wang, Jiahui Chen, Yuta Hozumi, Changchuan Yin, Guo-Wei Wei

The molecular mechanism underlying such surge is elusive due to 4, 653 non-degenerate mutations on the spike protein, which is the target of most COVID-19 vaccines.

Topological Data Analysis

Multiscale Laplacian Learning

1 code implementation8 Sep 2021 Ekaterina Merkurjev, Duc DUy Nguyen, Guo-Wei Wei

In particular, the performance of machine learning methods is often severely affected in case of diverse data, usually associated with smaller data sets or data related to areas of study where the size of the data sets is constrained by the complexity and/or high cost of experiments.

BIG-bench Machine Learning

Vaccine-escape and fast-growing mutations in the United Kingdom, the United States, Singapore, Spain, South Africa, and other COVID-19-devastated countries

no code implementations14 Mar 2021 Rui Wang, Jiahui Chen, Kaifu Gao, Guo-Wei Wei

We further unveil that mutation N501Y involved in United Kingdom (UK), South Africa, and Brazil variants may moderately weaken the binding between the RBD and many known antibodies, while mutations E484K and K417N found in South Africa and Brazilian variants can potentially disrupt the binding between the RDB and many known antibodies.

Methodology-centered review of molecular modeling, simulation, and prediction of SARS-CoV-2

no code implementations1 Feb 2021 Kaifu Gao, Rui Wang, Jiahui Chen, Limei Cheng, Jaclyn Frishcosy, Yuta Huzumi, Yuchi Qiu, Tom Schluckbier, Guo-Wei Wei

To provide the reader a quick update about the status of molecular modeling, simulation, and prediction of SARS-CoV-2, we present a comprehensive and systematic methodology-centered narrative in the nick of time.

Drug Discovery

Host immune response driving SARS-CoV-2 evolution

no code implementations17 Aug 2020 Rui Wang, Yuta Hozumi, Yong-Hui Zheng, Changchuan Yin, Guo-Wei Wei

Additionally, we show that children under age five and the elderly may be at high risk from COVID-19 because of their overreacting to the viral infection.

Characterizing SARS-CoV-2 mutations in the United States

no code implementations24 Jul 2020 Rui Wang, Jiahui Chen, Kaifu Gao, Yuta Hozumi, Changchuan Yin, Guo-Wei Wei

Using genotyping, sequence-alignment, time-evolution, $k$-means clustering, protein-folding stability, algebraic topology, and network theory, we reveal that the US SARS-CoV-2 has four substrains and five top US SARS-CoV-2 mutations were first detected in China (2 cases), Singapore (2 cases), and the United Kingdom (1 case).

Protein Folding

Decoding asymptomatic COVID-19 infection and transmission

no code implementations2 Jul 2020 Rui Wang, Yuta Hozumi, Changchuan Yin, Guo-Wei Wei

By analyzing the distribution of 11083G>T in various countries, we unveil that 11083G>T may correlate with the hypotoxicity of SARS-CoV-2.

Topological Data Analysis

Generative network complex for the automated generation of druglike molecules

no code implementations28 May 2020 Kaifu Gao, Duc D. Nguyen, Meihua Tu, Guo-Wei Wei

Current drug discovery is expensive and time-consuming.

Biomolecules Quantitative Methods

Mutations on COVID-19 diagnostic targets

no code implementations5 May 2020 Rui Wang, Yuta Hozumi, Changchuan Yin, Guo-Wei Wei

Effective, sensitive, and reliable diagnostic reagents are of paramount importance for combating the ongoing coronavirus disease 2019 (COVID-19) pandemic at a time there is no preventive vaccine nor specific drug available for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

Decoding SARS-CoV-2 transmission, evolution and ramification on COVID-19 diagnosis, vaccine, and medicine

no code implementations29 Apr 2020 Rui Wang, Yuta Hozumi, Changchuan Yin, Guo-Wei Wei

Tremendous effort has been given to the development of diagnostic tests, preventive vaccines, and therapeutic medicines for coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

COVID-19 Diagnosis

Mathematics at the eve of a historic transition in biology

no code implementations6 Nov 2017 Guo-Wei Wei

A century ago physicists and mathematicians worked in tandem and established quantum mechanism.

Descriptive

Comparison of multi-task convolutional neural network (MT-CNN) and a few other methods for toxicity prediction

no code implementations31 Mar 2017 Kedi Wu, Guo-Wei Wei

Toxicity analysis and prediction are of paramount importance to human health and environmental protection.

Feature functional theory - binding predictor (FFT-BP) for the blind prediction of binding free energies

no code implementations31 Mar 2017 Bao Wang, Zhixiong Zhao, Duc D. Nguyen, Guo-Wei Wei

The underpinning assumptions of FFT-BP are as follows: i) representability: there exists a microscopic feature vector that can uniquely characterize and distinguish one protein-ligand complex from another; ii) feature-function relationship: the macroscopic features, including binding free energy, of a complex is a functional of microscopic feature vectors; and iii) similarity: molecules with similar microscopic features have similar macroscopic features, such as binding affinity.

A topological approach for protein classification

no code implementations4 Oct 2015 Zixuan Cang, Lin Mu, Kedi Wu, Kristopher Opron, Kelin Xia, Guo-Wei Wei

However prediction of protein function and dynamics from its sequence and structure is still a fundamental challenge in molecular biology.

Biomolecules

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