Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesis

Abstract. Background:. Liver cancer is largely resistant to chemotherapy. This study aimed to identify the effective chemotherapeutics for β-catenin-activated liver cancer which is caused by gain-of-function mutation of catenin beta 1 (CTNNB1), the most frequently altered proto-oncogene in hepatic...

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Main Authors: Fangming Liu, Yuting Wu, Baohui Zhang, Shuhui Yang, Kezhuo Shang, Jie Li, Pengju Zhang, Weiwei Deng, Linlin Chen, Liang Zheng, Xiaochen Gai, Hongbing Zhang, Jing Ni
Format: Article
Language:English
Published: Wolters Kluwer 2024-01-01
Series:Chinese Medical Journal
Online Access:http://journals.lww.com/10.1097/CM9.0000000000002816
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author Fangming Liu
Yuting Wu
Baohui Zhang
Shuhui Yang
Kezhuo Shang
Jie Li
Pengju Zhang
Weiwei Deng
Linlin Chen
Liang Zheng
Xiaochen Gai
Hongbing Zhang
Jing Ni
author_facet Fangming Liu
Yuting Wu
Baohui Zhang
Shuhui Yang
Kezhuo Shang
Jie Li
Pengju Zhang
Weiwei Deng
Linlin Chen
Liang Zheng
Xiaochen Gai
Hongbing Zhang
Jing Ni
author_sort Fangming Liu
collection DOAJ
description Abstract. Background:. Liver cancer is largely resistant to chemotherapy. This study aimed to identify the effective chemotherapeutics for β-catenin-activated liver cancer which is caused by gain-of-function mutation of catenin beta 1 (CTNNB1), the most frequently altered proto-oncogene in hepatic neoplasms. Methods:. Constitutive β-catenin-activated mouse embryonic fibroblasts (MEFs) were established by deleting exon 3 (β-cateninΔ(ex3)/+), the most common mutation site in CTNNB1 gene. A screening of 12 widely used chemotherapy drugs was conducted for the ones that selectively inhibited β-cateninΔ(ex3)/+ but not for wild-type MEFs. Untargeted metabolomics was carried out to examine the alterations of metabolites in nucleotide synthesis. The efficacy and selectivity of methotrexate (MTX) on β-catenin-activated human liver cancer cells were determined in vitro. Immuno-deficient nude mice subcutaneously inoculated with β-catenin wild-type or mutant liver cancer cells and hepatitis B virus (HBV); β-cateninlox(ex3)/+ mice were used, respectively, to evaluate the efficacy of MTX in the treatment of β-catenin mutant liver cancer. Results:. MTX was identified and validated as a preferential agent against the proliferation and tumor formation of β-catenin-activated cells. Boosted nucleotide synthesis was the major metabolic aberration in β-catenin-active cells, and this alteration was also the target of MTX. Moreover, MTX abrogated hepatocarcinogenesis of HBV; β-cateninlox(ex3)/+ mice, which stimulated concurrent Ctnnb1-activated mutation and HBV infection in liver cancer. Conclusion:. MTX is a promising chemotherapeutic agent for β-catenin hyperactive liver cancer. Since repurposing MTX has the advantages of lower risk, shorter timelines, and less investment in drug discovery and development, a clinical trial is warranted to test its efficacy in the treatment of β-catenin mutant liver cancer.
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spelling doaj.art-a44d8ab78eb44fd2b839a2b9b0332a412024-01-18T03:06:13ZengWolters KluwerChinese Medical Journal0366-69992542-56412024-01-01137218118910.1097/CM9.0000000000002816202401200-00007Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesisFangming Liu0Yuting Wu1Baohui Zhang2Shuhui Yang3Kezhuo Shang4Jie Li5Pengju Zhang6Weiwei Deng7Linlin Chen8Liang Zheng9Xiaochen Gai10Hongbing Zhang11Jing Ni1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China2 Department of Physiology, Institute of Basic Medical Sciences and School of Basic Medicine, Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China3 Department of Physiology, School of Life Science, China Medical University, Shenyang, Liaoning 110122, China1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China4 School of Life Sciences, Westlake University, Hangzhou, Zhejiang 310024, China5 Key Laboratory of Pediatric Hematology and Oncology, Ministry of Health, Institute of Pediatric Translational Medicine, Shanghai Children's Medical Center, Shanghai Jiao Tong School of Medicine, Shanghai 200127, China.1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China1 Department of Physiology, State Key Laboratory of Common Mechanism Research for Major Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences and School of Basic Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, ChinaAbstract. Background:. Liver cancer is largely resistant to chemotherapy. This study aimed to identify the effective chemotherapeutics for β-catenin-activated liver cancer which is caused by gain-of-function mutation of catenin beta 1 (CTNNB1), the most frequently altered proto-oncogene in hepatic neoplasms. Methods:. Constitutive β-catenin-activated mouse embryonic fibroblasts (MEFs) were established by deleting exon 3 (β-cateninΔ(ex3)/+), the most common mutation site in CTNNB1 gene. A screening of 12 widely used chemotherapy drugs was conducted for the ones that selectively inhibited β-cateninΔ(ex3)/+ but not for wild-type MEFs. Untargeted metabolomics was carried out to examine the alterations of metabolites in nucleotide synthesis. The efficacy and selectivity of methotrexate (MTX) on β-catenin-activated human liver cancer cells were determined in vitro. Immuno-deficient nude mice subcutaneously inoculated with β-catenin wild-type or mutant liver cancer cells and hepatitis B virus (HBV); β-cateninlox(ex3)/+ mice were used, respectively, to evaluate the efficacy of MTX in the treatment of β-catenin mutant liver cancer. Results:. MTX was identified and validated as a preferential agent against the proliferation and tumor formation of β-catenin-activated cells. Boosted nucleotide synthesis was the major metabolic aberration in β-catenin-active cells, and this alteration was also the target of MTX. Moreover, MTX abrogated hepatocarcinogenesis of HBV; β-cateninlox(ex3)/+ mice, which stimulated concurrent Ctnnb1-activated mutation and HBV infection in liver cancer. Conclusion:. MTX is a promising chemotherapeutic agent for β-catenin hyperactive liver cancer. Since repurposing MTX has the advantages of lower risk, shorter timelines, and less investment in drug discovery and development, a clinical trial is warranted to test its efficacy in the treatment of β-catenin mutant liver cancer.http://journals.lww.com/10.1097/CM9.0000000000002816
spellingShingle Fangming Liu
Yuting Wu
Baohui Zhang
Shuhui Yang
Kezhuo Shang
Jie Li
Pengju Zhang
Weiwei Deng
Linlin Chen
Liang Zheng
Xiaochen Gai
Hongbing Zhang
Jing Ni
Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesis
Chinese Medical Journal
title Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesis
title_full Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesis
title_fullStr Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesis
title_full_unstemmed Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesis
title_short Oncogenic β-catenin-driven liver cancer is susceptible to methotrexate-mediated disruption of nucleotide synthesis
title_sort oncogenic β catenin driven liver cancer is susceptible to methotrexate mediated disruption of nucleotide synthesis
url http://journals.lww.com/10.1097/CM9.0000000000002816
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