Interpretable Multimodal Learning for Tumor Protein-Metal Binding: Progress, Challenges, and Perspectives

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Main Authors: Liu, Xiaokun, Rastegari, Sayedmohammadreza, Huang, Yijun, Cheong, Sxe Chang, Liu, Weikang, Zhao, Wenjie, Tian, Qihao, Wang, Hongming, Guo, Yingjie, Zhou, Shuo, Tabakhi, Sina, Liu, Xianyuan, Zhu, Zheqing, Sang, Wei, Lu, Haiping
Format: Preprint
Published: 2025
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author Liu, Xiaokun
Rastegari, Sayedmohammadreza
Huang, Yijun
Cheong, Sxe Chang
Liu, Weikang
Zhao, Wenjie
Tian, Qihao
Wang, Hongming
Guo, Yingjie
Zhou, Shuo
Tabakhi, Sina
Liu, Xianyuan
Zhu, Zheqing
Sang, Wei
Lu, Haiping
author_facet Liu, Xiaokun
Rastegari, Sayedmohammadreza
Huang, Yijun
Cheong, Sxe Chang
Liu, Weikang
Zhao, Wenjie
Tian, Qihao
Wang, Hongming
Guo, Yingjie
Zhou, Shuo
Tabakhi, Sina
Liu, Xianyuan
Zhu, Zheqing
Sang, Wei
Lu, Haiping
contents In cancer therapeutics, protein-metal binding mechanisms critically govern the pharmacokinetics and targeting efficacy of drugs, thereby fundamentally shaping the rational design of anticancer metallodrugs. While conventional laboratory methods used to study such mechanisms are often costly, low throughput, and limited in capturing dynamic biological processes, machine learning (ML) has emerged as a promising alternative. Despite increasing efforts to develop protein-metal binding datasets and ML algorithms, the application of ML in tumor protein-metal binding remains limited. Key challenges include a shortage of high-quality, tumor-specific datasets, insufficient consideration of multiple data modalities, and the complexity of interpreting results due to the ''black box'' nature of complex ML models. This paper summarizes recent progress and ongoing challenges in using ML to predict tumor protein-metal binding, focusing on data, modeling, and interpretability. We present multimodal protein-metal binding datasets and outline strategies for acquiring, curating, and preprocessing them for training ML models. Moreover, we explore the complementary value provided by different data modalities and examine methods for their integration. We also review approaches for improving model interpretability to support more trustworthy decisions in cancer research. Finally, we offer our perspective on research opportunities and propose strategies to address the scarcity of tumor protein data and the limited number of predictive models for tumor protein-metal binding. We also highlight two promising directions for effective metal-based drug design: integrating protein-protein interaction data to provide structural insights into metal-binding events and predicting structural changes in tumor proteins after metal binding.
format Preprint
id arxiv_https___arxiv_org_abs_2504_03847
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Interpretable Multimodal Learning for Tumor Protein-Metal Binding: Progress, Challenges, and Perspectives
Liu, Xiaokun
Rastegari, Sayedmohammadreza
Huang, Yijun
Cheong, Sxe Chang
Liu, Weikang
Zhao, Wenjie
Tian, Qihao
Wang, Hongming
Guo, Yingjie
Zhou, Shuo
Tabakhi, Sina
Liu, Xianyuan
Zhu, Zheqing
Sang, Wei
Lu, Haiping
Quantitative Methods
Machine Learning
Biomolecules
In cancer therapeutics, protein-metal binding mechanisms critically govern the pharmacokinetics and targeting efficacy of drugs, thereby fundamentally shaping the rational design of anticancer metallodrugs. While conventional laboratory methods used to study such mechanisms are often costly, low throughput, and limited in capturing dynamic biological processes, machine learning (ML) has emerged as a promising alternative. Despite increasing efforts to develop protein-metal binding datasets and ML algorithms, the application of ML in tumor protein-metal binding remains limited. Key challenges include a shortage of high-quality, tumor-specific datasets, insufficient consideration of multiple data modalities, and the complexity of interpreting results due to the ''black box'' nature of complex ML models. This paper summarizes recent progress and ongoing challenges in using ML to predict tumor protein-metal binding, focusing on data, modeling, and interpretability. We present multimodal protein-metal binding datasets and outline strategies for acquiring, curating, and preprocessing them for training ML models. Moreover, we explore the complementary value provided by different data modalities and examine methods for their integration. We also review approaches for improving model interpretability to support more trustworthy decisions in cancer research. Finally, we offer our perspective on research opportunities and propose strategies to address the scarcity of tumor protein data and the limited number of predictive models for tumor protein-metal binding. We also highlight two promising directions for effective metal-based drug design: integrating protein-protein interaction data to provide structural insights into metal-binding events and predicting structural changes in tumor proteins after metal binding.
title Interpretable Multimodal Learning for Tumor Protein-Metal Binding: Progress, Challenges, and Perspectives
topic Quantitative Methods
Machine Learning
Biomolecules
url https://arxiv.org/abs/2504.03847