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Xiao H, Jiang N, Zhang H, Wang S, Pi Q, Chen H, He X, Luo W, Lu Y, Deng Y, Zhong Z. Inhibitors of APE1 redox and ATM synergistically sensitize osteosarcoma cells to ionizing radiation by inducing ferroptosis. Int Immunopharmacol 2024; 139:112672. [PMID: 39032469 DOI: 10.1016/j.intimp.2024.112672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 07/02/2024] [Accepted: 07/09/2024] [Indexed: 07/23/2024]
Abstract
The resistance of osteosarcoma (OS) to ionizing radiation (IR) is an obstacle for effective patient treatment. Apurinic/apyrimidinic endonuclease-reduction/oxidation factor 1 (APE1/Ref-1) is a multifunctional protein with DNA repair and reduction/oxidation (redox) activities. We previously revealed the role of APE1 in OS radioresistance; however, whether the redox activity of APE1 is involved in OS radioresistance is unclear. APE1 regulates the activation of ataxia-telangiectasia mutated (ATM), an initiator of DNA damage response that mediates radioresistance in other cancers. The role of APE1 redox activity and ATM activation in OS radioresistance is unknown. Our study revealed that IR increased APE1 expression and ATM activation in OS cells, and APE1 directly regulated ATM activation by its redox activity. The combined use of an APE1 redox inhibitor and ATM inhibitor effectively sensitized OS cells to IR in vitro and in vivo. Mechanistically, the increased radiosensitization of OS cells by the combined use of the two inhibitors was mediated by increased ferroptosis. Co-treatment with the two inhibitors significantly decreased expression of the common targeted transcription factor P53 compared with single inhibitor treatment. Collectively, APE1 redox activity, ATM activation and their crosstalk play important roles in the resistance of OS to irradiation. Synergetic inhibition of APE1 redox activity and ATM activation sensitized OS cells to IR by inducing ferroptosis, which provides a promising strategy for OS radiotherapy.
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Affiliation(s)
- Hanxi Xiao
- Department of Clinical Laboratory Medicine, Southwest Hospital, Army Medical University, Chongqing 400038, China; Department of Clinical Hematology, College of Pharmacy, Army Medical University, Chongqing 400038, China; Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Nan Jiang
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Hongbin Zhang
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Shuai Wang
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Qin Pi
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Huawei Chen
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Xuan He
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Wei Luo
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Yonghui Lu
- Department of Occupational Health, College of Preventive Medicine, Army Medical University, Chongqing 400038, China.
| | - Youcai Deng
- Department of Clinical Laboratory Medicine, Southwest Hospital, Army Medical University, Chongqing 400038, China; Department of Clinical Hematology, College of Pharmacy, Army Medical University, Chongqing 400038, China.
| | - Zhaoyang Zhong
- Cancer Center, Daping Hospital, Army Medical University, Chongqing 400042, China; Department of Oncology, The Fifth People's Hospital of Chongqing, Chongqing 400062, China.
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Wang S, Huang X, Zhao S, Lv J, Li Y, Wang S, Guo J, Wang Y, Wang R, Zhang M, Qiu W. Progressions of the correlation between lipid metabolism and immune infiltration characteristics in gastric cancer and identification of BCHE as a potential biomarker. Front Immunol 2024; 15:1327565. [PMID: 38357546 PMCID: PMC10864593 DOI: 10.3389/fimmu.2024.1327565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/17/2024] [Indexed: 02/16/2024] Open
Abstract
Background Globally, gastric cancer (GC) is a category of prevalent malignant tumors. Its high occurrence and fatality rates represent a severe threat to public health. According to recent research, lipid metabolism (LM) reprogramming impacts immune cells' ordinary function and is critical for the onset and development of cancer. Consequently, the article conducted a sophisticated bioinformatics analysis to explore the potential connection between LM and GC. Methods We first undertook a differential analysis of the TCGA queue to recognize lipid metabolism-related genes (LRGs) that are differentially expressed. Subsequently, we utilized the LASSO and Cox regression analyses to create a predictive signature and validated it with the GSE15459 cohort. Furthermore, we examined somatic mutations, immune checkpoints, tumor immune dysfunction and exclusion (TIDE), and drug sensitivity analyses to forecast the signature's immunotherapy responses. Results Kaplan-Meier (K-M) curves exhibited considerably longer OS and PFS (p<0.001) of the low-risk (LR) group. PCA analysis and ROC curves evaluated the model's predictive efficacy. Additionally, GSEA analysis demonstrated that a multitude of carcinogenic and matrix-related pathways were much in the high-risk (HR) group. We then developed a nomogram to enhance its clinical practicality, and we quantitatively analyzed tumor-infiltrating immune cells (TIICs) using the CIBERSORT and ssGSEA algorithms. The low-risk group has a lower likelihood of immune escape and more effective in chemotherapy and immunotherapy. Eventually, we selected BCHE as a potential biomarker for further research and validated its expression. Next, we conducted a series of cell experiments (including CCK-8 assay, Colony formation assay, wound healing assay and Transwell assays) to prove the impact of BCHE on gastric cancer biological behavior. Discussion Our research illustrated the possible consequences of lipid metabolism in GC, and we identified BCHE as a potential therapeutic target for GC. The LRG-based signature could independently forecast the outcome of GC patients and guide personalized therapy.
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Affiliation(s)
- Shibo Wang
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiaojuan Huang
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shufen Zhao
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jing Lv
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yi Li
- Department of Dermatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shasha Wang
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jing Guo
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yan Wang
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Rui Wang
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Mengqi Zhang
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Wensheng Qiu
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
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Ma W, Wu Z, Maghsoudloo M, Ijaz I, Dehghan Shasaltaneh M, Zhang Y, Weng Q, Fu J, Imani S, Wen QL. Dermokine mutations contribute to epithelial-mesenchymal transition and advanced melanoma through ERK/MAPK pathways. PLoS One 2023; 18:e0285806. [PMID: 37432950 PMCID: PMC10335698 DOI: 10.1371/journal.pone.0285806] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/29/2023] [Indexed: 07/13/2023] Open
Abstract
To discover vulnerabilities associated with dermokine (DMKN) as a new trigger of the epithelial-mesenchymal transition (EMT) -driven melanoma, we undertook a genome-wide genetic screening using transgenic. Here, we showed that DMKN expression could be constitutively increased in human malignant melanoma (MM) and that this correlates with poor overall survival in melanoma patients, especially in BRAF-mutated MM samples. Furthermore, in vitro, knockdown of DMKN inhibited the cell proliferation, migration, invasion, and apoptosis of MM cancer cells by the activation of ERK/MAPK signaling pathways and regulator of STAT3 in downstream molecular. By interrogating the in vitro melanoma dataset and characterization of advanced melanoma samples, we found that DMKN downregulated the EMT-like transcriptional program by disrupting EMT cortical actin, increasing the expression of epithelial markers, and decreasing the expression of mesenchymal markers. In addition, whole exome sequencing was presented with p.E69D and p.V91A DMKN mutations as a novel somatic loss of function mutations in those patients. Moreover, our purposeful proof-of-principle modeled the interaction of ERK with p.E69D and p.V91A DMKN mutations in the ERK-MAPK kinas signaling that may be naturally associated with triggering the EMT during melanomagenesis. Altogether, these findings provide preclinical evidence for the role of DMKN in shaping the EMT-like melanoma phenotype and introduced DMKN as a new exceptional responder for personalized MM therapy.
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Affiliation(s)
- Wenqiong Ma
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Zexiu Wu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Mazaher Maghsoudloo
- Faculty of Advanced Science and Technology, Department of Genetics, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- The Center of Research and Training for Occupational Technical Safety and Health, Tehran, Iran
| | - Iqra Ijaz
- Sichuan Provincial Center for Gynecological and Breast Diseases, Southwest Medical University, Luzhou, Sichuan, China
| | | | - Yuqin Zhang
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Qiao Weng
- Department of Obstetrics & Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Junjiang Fu
- Key Laboratory of Epigenetics and Oncology, The Research Center for Preclinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Saber Imani
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Shulan International Medical College, Zhejiang Shuren University, Hangzhou, Zhejiang, China
| | - Qing Lian Wen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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Sun X, Sun P, Sui Y, Tan C, Chen Y. Prognostic model based on six feature genes of intestinal flora subtypes predicts survival in colon cancer. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2126898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Xiao Sun
- Department of Gastrointestinal Surgery, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, People’s Republic of China
| | - Peng Sun
- Department of Gastrointestinal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, People’s Republic of China
| | - Yi Sui
- Department of IVD Medical Marketing, 3D Medicine Inc., Shanghai, People’s Republic of China
| | - Canliang Tan
- Departmemt of General Surgery, the Third Affilliated Hospital of Southern Medical University, Guangzhou, People’s Republic of China
| | - Yinggang Chen
- Department of Gastrointestinal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, People’s Republic of China
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He W, Yang G, Liu S, Maghsoudloo M, Shasaltaneh MD, Kaboli PJ, Zhang C, Zhang J, Entezari M, Imani S, Wen Q. Comparative mRNA/micro-RNA co-expression network drives melanomagenesis by promoting epithelial-mesenchymal transition and vasculogenic mimicry signaling. Transl Oncol 2021; 14:101237. [PMID: 34626953 PMCID: PMC8512639 DOI: 10.1016/j.tranon.2021.101237] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 09/30/2021] [Indexed: 12/17/2022] Open
Abstract
This study aimed to identify a novel disease-associated differentially co-expressed mRNA-microRNA (miRNA) that is associated with vasculogenic mimicry (VM) and epithelial-to-mesenchymal transition (EMT) network at different stages of melanoma. By applying weighted gene co-expression network analysis, we constructed a VM+EMT biological network with the available microarray dataset downloaded from a public database. Quantitative real-time PCR, immunohistochemical staining, and CD31-periodic acid solution dual staining were performed to confirm the expression of genes associated with EMT and VM formation in subjects with malignant melanoma (n = 18) and primary melanoma (n = 13) and in healthy subjects (n = 10). Our findings suggested that phosphatidylserine-specific phospholipase A1-alpha (PLA1A) and dermokine (DMKN) genes function as oncogenes that trigger VM and EMT processes during melanomagenesis on interaction with miR-370, miR-563, and miR-770-5p. PLA1A and DMKN genes can be considered potential VM+EMT network-based diagnostic biomarkers for distinguishing between melanoma patients. We postulate that a network with altered PLA1A/miR-563 and DMNK/miR-770-5p/miR-370 may contribute to melanomagenesis by triggering the EMT signaling pathway and VM formation. This study provides a potentially valuable approach for the early diagnosis and prognosis of melanoma progression.
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Affiliation(s)
- WenFeng He
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Gang Yang
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China; Department of Oncology, Anyue Hospital of Traditional Chinese Medicine, Second Ziyang Hospital of Traditional Chinese Medicine, Ziyang, Sichuan, China
| | - Shuya Liu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China; Department of Oncology, Chengdu Jinniu District People's Hospital, Chengdu, Sichuan, China
| | - Mazaher Maghsoudloo
- Laboratory of Systems Biology and Bioinformatics, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Parham Jabbarzadeh Kaboli
- Graduate Institute of Biomedical Sciences, Research Center for Cancer Biology, and Center for Molecular Medicine, China Medical University, Taichung, Taiwan
| | - Cuiwei Zhang
- Department of Pathology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - JingHeng Zhang
- Oncology Department, Luzhou People's Hospital, Luzhou, Sichuan, China
| | - Maliheh Entezari
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Saber Imani
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
| | - QingLian Wen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
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Zhao Y, Hasse S, Bourgoin SG. Phosphatidylserine-specific phospholipase A1: A friend or the devil in disguise. Prog Lipid Res 2021; 83:101112. [PMID: 34166709 DOI: 10.1016/j.plipres.2021.101112] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/30/2021] [Accepted: 06/18/2021] [Indexed: 02/06/2023]
Abstract
Various human tissues and cells express phospholipase A1 member A (PLA1A), including the liver, lung, prostate gland, and immune cells. The enzyme belongs to the pancreatic lipase family. PLA1A specifically hydrolyzes sn-1 fatty acid of phosphatidylserine (PS) or 1-acyl-lysophosphatidylserine (1-acyl-lysoPS). PS externalized by activated cells or apoptotic cells or extracellular vesicles is a potential source of substrate for the production of unsaturated lysoPS species by PLA1A. Maturation and functions of many immune cells, such as T cells, dendritic cells, macrophages, and mast cells, can be regulated by PLA1A and lysoPS. Several lysoPS receptors, including GPR34, GPR174 and P2Y10, have been identified. High serum levels and high PLA1A expression are associated with autoimmune disorders such as Graves' disease and systemic lupus erythematosus. Increased expression of PLA1A is associated with metastatic melanomas. PLA1A may contribute to cardiometabolic disorders through mediating cholesterol transportation and producing lysoPS. Furthermore, PLA1A is necessary for hepatitis C virus assembly and can play a role in the antivirus innate immune response. This review summarizes recent findings on PLA1A expression, lysoPS and lysoPS receptors in autoimmune disorders, cancers, cardiometabolic disorders, antivirus immune responses, as well as regulations of immune cells.
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Affiliation(s)
- Yang Zhao
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de microbiologie-infectiologie et d'immunologie, Université Laval, Québec, G1V 4G2, Canada
| | - Stephan Hasse
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de microbiologie-infectiologie et d'immunologie, Université Laval, Québec, G1V 4G2, Canada
| | - Sylvain G Bourgoin
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de microbiologie-infectiologie et d'immunologie, Université Laval, Québec, G1V 4G2, Canada.
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