Isoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolism

Abstract Pyruvate dehydrogenase B (PDHB) is an important component of the pyruvate dehydrogenase complex and is implicated in altering tumor metabolism and promoting malignancy. However, the specific impact of PDHB on hepatocellular carcinoma (HCC) metabolic reprogramming and its role in tumor progr...

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Main Authors: Lijun Zhao, Haonan Qi, Weiting Liu, Huiying Lv, Peixian Li, Wenyue Liu, Ruili Sun, Qiongzi Wang, Xiangpeng Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Communications Biology
Online Access:https://doi.org/10.1038/s42003-025-07622-x
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author Lijun Zhao
Haonan Qi
Weiting Liu
Huiying Lv
Peixian Li
Wenyue Liu
Ruili Sun
Qiongzi Wang
Xiangpeng Wang
author_facet Lijun Zhao
Haonan Qi
Weiting Liu
Huiying Lv
Peixian Li
Wenyue Liu
Ruili Sun
Qiongzi Wang
Xiangpeng Wang
author_sort Lijun Zhao
collection DOAJ
description Abstract Pyruvate dehydrogenase B (PDHB) is an important component of the pyruvate dehydrogenase complex and is implicated in altering tumor metabolism and promoting malignancy. However, the specific impact of PDHB on hepatocellular carcinoma (HCC) metabolic reprogramming and its role in tumor progression remain to be elucidated. In our investigation, we have discerned a pronounced elevation in PDHB expression within HCC, intricately linked to delayed tumor staging, heightened tumor grading, and diminished prognostic outcomes. PDHB overexpression drives tumor growth and metastasis in vitro and in vivo. Mechanistically, PDHB mediates metabolic reprogramming by binding to the promoter regions of SLC2A1, GPI, and PKM2, promoting glycolysis-related gene transcription, contributes to HCC sorafenib resistance. In addition, Isoacteoside is a targeted inhibitor of PDHB and exert antitumor effects on HCC. In the mouse xenograft model, the combination of isoacteoside and sorafenib shows significantly better effects than sorafenib alone. In summary, our study validates PDHB as an oncogenic drug resistance-related gene capable of predicting HCC tumor progression. PDHB and Isoacteoside could be potential avenues for targeted and combination therapies in liver cancer.
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institution Kabale University
issn 2399-3642
language English
publishDate 2025-02-01
publisher Nature Portfolio
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spelling doaj-art-2b095cb556b240ee9b4485b652f5aeea2025-02-09T12:50:19ZengNature PortfolioCommunications Biology2399-36422025-02-018111310.1038/s42003-025-07622-xIsoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolismLijun Zhao0Haonan Qi1Weiting Liu2Huiying Lv3Peixian Li4Wenyue Liu5Ruili Sun6Qiongzi Wang7Xiangpeng Wang8Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityHenan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Medical Technology, Xinxiang Medical UniversityAbstract Pyruvate dehydrogenase B (PDHB) is an important component of the pyruvate dehydrogenase complex and is implicated in altering tumor metabolism and promoting malignancy. However, the specific impact of PDHB on hepatocellular carcinoma (HCC) metabolic reprogramming and its role in tumor progression remain to be elucidated. In our investigation, we have discerned a pronounced elevation in PDHB expression within HCC, intricately linked to delayed tumor staging, heightened tumor grading, and diminished prognostic outcomes. PDHB overexpression drives tumor growth and metastasis in vitro and in vivo. Mechanistically, PDHB mediates metabolic reprogramming by binding to the promoter regions of SLC2A1, GPI, and PKM2, promoting glycolysis-related gene transcription, contributes to HCC sorafenib resistance. In addition, Isoacteoside is a targeted inhibitor of PDHB and exert antitumor effects on HCC. In the mouse xenograft model, the combination of isoacteoside and sorafenib shows significantly better effects than sorafenib alone. In summary, our study validates PDHB as an oncogenic drug resistance-related gene capable of predicting HCC tumor progression. PDHB and Isoacteoside could be potential avenues for targeted and combination therapies in liver cancer.https://doi.org/10.1038/s42003-025-07622-x
spellingShingle Lijun Zhao
Haonan Qi
Weiting Liu
Huiying Lv
Peixian Li
Wenyue Liu
Ruili Sun
Qiongzi Wang
Xiangpeng Wang
Isoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolism
Communications Biology
title Isoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolism
title_full Isoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolism
title_fullStr Isoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolism
title_full_unstemmed Isoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolism
title_short Isoacteoside alleviates hepatocellular carcinoma progression by inhibiting PDHB-mediated reprogramming of glucose metabolism
title_sort isoacteoside alleviates hepatocellular carcinoma progression by inhibiting pdhb mediated reprogramming of glucose metabolism
url https://doi.org/10.1038/s42003-025-07622-x
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