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The Application and Advancement of Herbal Medicine in Gastrointestinal Cancers: A Bibliometrix Visualization and Pan-cancer Analysis
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DOI：10.1007/s11912-026-01811-5.png)
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Abstract
En 中文
Herbal medicine has emerged as an important area of investigation in gastrointestinal cancers owing to its multitarget therapeutic potential and growing integration with modern oncology. However, the rapid expansion of the literature has resulted in a fragmented understanding of the field’s knowledge structure, research evolution, and emerging directions. A bibliometric analysis was performed using publications retrieved from the Web of Science Core Collection between 2016 and 2025. Bibliometrix, VOSviewer, and CiteSpace were employed to evaluate publication trends, collaboration networks, thematic evolution, and knowledge foundations. To further assess the biological relevance of major research themes, representative molecular markers associated with apoptosis, cell-cycle regulation, and epithelial biology were examined using transcriptomic data integrated from The Cancer Genome Atlas (TCGA) and the Genotype-Tissue Expression (GTEx) project through the Gene Expression Profiling Interactive Analysis (GEPIA) platform. A total of 1,985 publications were included. Research activity increased substantially over the study period, particularly after 2020. Bibliometric analyses revealed a progressive transition from traditional investigations of apoptosis, proliferation, and metastasis toward emerging themes involving tumor microenvironment regulation, ferroptosis, gut microbiota interactions, network pharmacology, and molecular docking. Knowledge structure analyses demonstrated increasing integration of experimental oncology, bioinformatics, and traditional Chinese medicine research. China dominated global publication output, while the United States exhibited the strongest international collaborative profile. Exploratory transcriptomic validation showed that representative molecular markers (BCL2, CCND1, and CDH1) exhibited differential expression patterns across multiple gastrointestinal malignancies, supporting the biological relevance of the dominant research themes identified through bibliometric analyses. Research on herbal medicine for gastrointestinal cancers is transitioning from descriptive pharmacological investigations toward mechanism-oriented, data-driven, and translational research. By integrating bibliometric visualization with exploratory pan-gastrointestinal-cancer transcriptomic validation, this study provides a comprehensive overview of the field’s evolution and offers a complementary framework linking knowledge mapping with molecular-level evidence. These findings provide biological context for emerging research priorities and may facilitate future biomarker discovery and precision-oriented herbal medicine research for gastrointestinal cancers.
Keywords:
Herbal medicine
Gastrointestinal cancers
Bibliometric analysis
Pan-cancer analysis
Precision oncology
Network pharmacology
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