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Gao J, Shi X, Sun Y, Liu X, Zhang F, Shi C, Yu X, Yan Z, Liu L, Yu S, Zhang J, Zhang X, Zhang S, Guo W. Deficiency of betaine-homocysteine methyltransferase activates glucose-6-phosphate dehydrogenase (G6PD) by decreasing arginine methylation of G6PD in hepatocellular carcinogenesis. SCIENCE CHINA. LIFE SCIENCES 2024; 67:1648-1665. [PMID: 38679670 DOI: 10.1007/s11427-023-2481-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/11/2023] [Indexed: 05/01/2024]
Abstract
Betaine-homocysteine methyltransferase (BHMT) regulates protein methylation and is correlated with tumorigenesis; however, the effects and regulation of BHMT in hepatocarcinogenesis remain largely unexplored. Here, we determined the clinical significance of BHMT in the occurrence and progression of hepatocellular carcinoma (HCC) using tissue samples from 198 patients. BHMT was to be frequently found (86.6%) expressed at relatively low levels in HCC tissues and was positively correlated with the overall survival of patients with HCC. Bhmt overexpression effectively suppressed several malignant phenotypes in hepatoma cells in vitro and in vivo, whereas complete knockout of Bhmt (Bhmt-/-) produced the opposite effect. We combined proteomics, metabolomics, and molecular biological strategies and detected that Bhmt-/- promoted hepatocarcinogenesis and tumor progression by enhancing the activity of glucose-6-phosphate dehydrogenase (G6PD) and PPP metabolism in DEN-induced HCC mouse and subcutaneous tumor-bearing models. In contrast, restoration of Bhmt with an AAV8-Bhmt injection or pharmacological inhibition of G6PD attenuated hepatocarcinogenesis. Additionally, coimmunoprecipitation identified monomethylated modifications of the G6PD, and BHMT regulated the methylation of G6PD. Protein sequence analysis, generation and application of specific antibodies, and site-directed mutagenesis indicated G6PD methylation at the arginine residue 246. Furthermore, we established bidirectionally regulated BHMT cellular models combined with methylation-deficient G6PD mutants to demonstrate that BHMT potentiated arginine methylation of G6PD, thereby inhibiting G6PD activity, which in turn suppressed hepatocarcinogenesis. Taken together, this study reveals a new methylation-regulatory mechanism in hepatocarcinogenesis owing to BHMT deficiency, suggesting a potential therapeutic strategy for HCC treatment.
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Affiliation(s)
- Jie Gao
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Xiaoyi Shi
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Yaohui Sun
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Xudong Liu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Feng Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Chengcheng Shi
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Xiao Yu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Zhiping Yan
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Long Liu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Shizhe Yu
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Cancer Metastasis Institute, Fudan University, Shanghai, 200040, China
| | - Jiacheng Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Xiaodan Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China
| | - Shuijun Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China.
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China.
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China.
| | - Wenzhi Guo
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
- Henan Diagnosis & Treatment League for Hepatopathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, Zhengzhou, 450052, China.
- Henan Organ Transplantation Quality Control Centre, Zhengzhou, 450052, China.
- Henan Engineering Technology Research Center for Organ Transplantation, Zhengzhou, 450052, China.
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Wang Y, Zhou J, He W, Fu R, Shi L, Dang NK, Liu B, Xu H, Cheng X, Bedford MT. SART3 reads methylarginine-marked glycine- and arginine-rich motifs. Cell Rep 2024; 43:114459. [PMID: 38985674 PMCID: PMC11370311 DOI: 10.1016/j.celrep.2024.114459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 05/14/2024] [Accepted: 06/21/2024] [Indexed: 07/12/2024] Open
Abstract
Glycine- and arginine-rich (GAR) motifs, commonly found in RNA-binding and -processing proteins, can be symmetrically (SDMA) or asymmetrically (ADMA) dimethylated at the arginine residue by protein arginine methyltransferases. Arginine-methylated protein motifs are usually read by Tudor domain-containing proteins. Here, using a GFP-Trap, we identify a non-Tudor domain protein, squamous cell carcinoma antigen recognized by T cells 3 (SART3), as a reader for SDMA-marked GAR motifs. Structural analysis and mutagenesis of SART3 show that aromatic residues lining a groove between two adjacent aromatic-rich half-a-tetratricopeptide (HAT) repeat domains are essential for SART3 to recognize and bind to SDMA-marked GAR motif peptides, as well as for the interaction between SART3 and the GAR-motif-containing proteins fibrillarin and coilin. Further, we show that the loss of this reader ability affects RNA splicing. Overall, our findings broaden the range of potential SDMA readers to include HAT domains.
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Affiliation(s)
- Yalong Wang
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jujun Zhou
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Wei He
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Rongjie Fu
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Leilei Shi
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Ngoc Khoi Dang
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Bin Liu
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Han Xu
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Xiaodong Cheng
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Mark T Bedford
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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Li D, Xia L, Zhang X, Liu Y, Wang Z, Guo Q, Huang P, Leng W, Qin S. A new high-throughput screening methodology for the discovery of cancer-testis antigen using multi-omics data. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2024; 250:108193. [PMID: 38678957 DOI: 10.1016/j.cmpb.2024.108193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/09/2024] [Accepted: 04/20/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Cancer/testis antigens (CTAs), also known as tumor-specific antigens (TSAs) are specifically expressed in cancer cells and exhibit high immunogenicity, making them promising targets for immunotherapy and cancer vaccines. METHODS A new integrated high-throughput screening methodology for CTAs was proposed in this study through combining DNA methylation and RNA sequencing data. Briefly, the genes with increased transcript level and decreased DNA methylation were identified by multi-omics analysis. RNA sequencing studies in cell lines exposed to DNA methyltransferase (DNMT) inhibitors were performed to validate the inherent causal relationship between DNA hypomethylation and gene expression upregulation. RESULTS We proposed a new integrated high-throughput screening methodology for identification of CTAs using multi-omics analysis. In addition, we tested the feasibility of this method using gastric cancer (GC) as an example. In GC, we identified over 2000 primary candidate CTAs and ultimately identified 20 CTAs with significant tissue-specificity, including a testis-specific serine protease TESSP1/PRSS41. Integrated analysis confirmed that PRSS41 expression was reactivated in gastrointestinal cancers by promoter DNA hypomethylation at the CpG site (cg08104780). Additionally, DNA hypomethylation of PRSS41 predicted a poor prognosis in GC. CONCLUSION We propose a new high-throughput screening method for the identification of CTAs in cancer and validate its effectiveness. Our work emphasizes that serine protease PRSS41 is a novel TSA that is reactivated in GC due to promoter DNA hypomethylation.
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Affiliation(s)
- Dandan Li
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China; Laboratory of Tumor biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, Hubei, PR China; Shiyan Key Laboratory of Natural Medicine Nanoformulation Research, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Lingyun Xia
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China
| | - Xiangang Zhang
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China; Laboratory of Tumor biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, Hubei, PR China
| | - Yue Liu
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China; Laboratory of Tumor biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, Hubei, PR China
| | - Zidi Wang
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China; Laboratory of Tumor biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, Hubei, PR China
| | - Qiwei Guo
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China; Laboratory of Tumor biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, Hubei, PR China
| | - Pan Huang
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China; Laboratory of Tumor biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, Hubei, PR China
| | - Weidong Leng
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China
| | - Shanshan Qin
- Department of Stomatology, Taihe Hospital and Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, China; Laboratory of Tumor biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, Hubei, PR China; Shiyan Key Laboratory of Natural Medicine Nanoformulation Research, Hubei University of Medicine, Shiyan, Hubei 442000, China.
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