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Jiang Z, Zhang W, Zhang J. LncRNA OIP5-AS1 regulates ferroptosis and mitochondrial dysfunction-mediated apoptosis in spinal cord injury by targeting the miR-128-3p/Nrf2 axis. Heliyon 2024; 10:e37704. [PMID: 39309798 PMCID: PMC11416499 DOI: 10.1016/j.heliyon.2024.e37704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/03/2024] [Accepted: 09/09/2024] [Indexed: 09/25/2024] Open
Abstract
Background Ferroptosis is an important way of neuronal cell death in acute phase and participates in the inflammatory cascade after spinal cord injury (SCI). It is reported that microRNA (miRNA) and long non-coding RNA (lncRNA) are key mediators in the regulation of ferroptosis. This study will explore the inhibitory effect of LncRNA OIP5-AS1 on ferroptosis and mitochondrial dysfunction-mediated apoptosis in SCI. Methods The ferric ammonium citrate (FAC)-induced cell model and the SCI rat model were established. The expression of LncRNA OIP5-AS1, miR-128-3p and Nrf2 were transfected to evaluated the effect on the viability and apoptosis of FAC-induced cell. The interaction between LncRNA OIP5-AS1 and miR-128-3p or miR-128-3p and Nrf2 were analyzed. In addition, expressions of markers related to ferroptosis and mitochondrial dysfunction were analyzed in vitro and in vivo. Histopathologic slide staining was used to analyze spinal cord injury in vivo. Results LncRNA OIP5-AS1 expression was abnormally down-regulated in FAC-induced SCI cell model and SCI rats. The LncRNA OIP5-AS1 deficiency induced decreased Nrf2 level by less sponging miR-128-3p, thus, aggravating spinal cord injury and inducing more apoptosis, ferroptosis and mitochondrial dysfunction in neural stem cells with SCI. However, overexpression of LncRNA OIP5-AS1 inhibited apoptosis, ferroptosis and mitochondrial dysfunction, thus effectively ameliorating spinal cord injury. Conclusion This finding demonstrates that LncRNA OIP5-AS1 overexpression could enhance the recovery of spinal cord injury by regulating the miR-128-3p/Nrf2 axis.
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Affiliation(s)
- Zhensong Jiang
- Department of Spine Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Weimin Zhang
- Department of Spine Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Jianru Zhang
- Department of Health Examination, Jinan Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, Shandong, China
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Yang Z, Hou Y, Li J, Xu D, Yang Z, Wang X. Activating transcription factor 3 is a new biomarker correlation with renal clear cell carcinoma progression. Int J Immunopathol Pharmacol 2024; 38:3946320241227320. [PMID: 38248871 PMCID: PMC10804930 DOI: 10.1177/03946320241227320] [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: 10/18/2023] [Accepted: 01/04/2024] [Indexed: 01/23/2024] Open
Abstract
Background: Clear cell renal cell carcinoma (ccRCC) is the most invasive type of cancer, with a high risk of metastasis and recurrence. Therefore, there is an urgent need to identify novel prognostic predictors and therapeutic targets of ccRCC. Activating transcription factor 3 (ATF3), a tumor oncogene or repressor, has rarely been examined in ccRCC. In the present study, we comprehensively elucidate the prognostic value and potential functions of ATF3 in ccRCC.Methods: Several TCGA-based online databases were used to analyze ATF3 expression in ccRCC and determine ccRCC prognosis. The upstream-binding micro (mi) RNAs of ATF3 and long non-coding (lnc)RNAs were predicted using the StarBase database.Results: Analysis of several TCGA-based online databases showed that ATF3 expression is decreased in ccRCC, suggesting a significant association with the prognosis of patients with ccRCC. Furthermore, we found hsa-miR-221-3p to be potential regulatory miRNA of ATF3 in ccRCC. Prediction and analysis of the upstream lncRNAs indicated that PAXIP1-AS2 and OIP5-AS1 were the most potent upstream lncRNAs of the hsa-miR-221-3p/ATF3 axis in ccRCC. The results of the GO and KEGG analyses implied that ATF3 is likely involved in the regulation of apoptotic signaling in response to endoplasmic reticulum (ER) stress in ccRCC. Correlation analysis revealed a positive relationship between ATF3 expression and ER stress.Conclusions: Our in silico findings highlighted that ATF3 expression was low in ccRCC and negatively correlated with poor prognosis. Furthermore, PAXIP1-AS2 and the OIP5-AS1/hsa-miR-221-3p/ATF3 axis were identified as significant potential regulators of ER stress-mediated apoptosis in ccRCC.
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Affiliation(s)
- Zhicong Yang
- Central Laboratory, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China
| | - Yongwang Hou
- Clinical Laboratory, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China
| | - Jingqi Li
- Central Laboratory, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China
| | - Dandan Xu
- Central Laboratory, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China
| | - Zhichao Yang
- Clinical Department, North China University of Science and Technology, Tangshan, China
| | - Xinsheng Wang
- Central Laboratory, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China
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Lee J, Roh JL. Epigenetic modulation of ferroptosis in cancer: Identifying epigenetic targets for novel anticancer therapy. Cell Oncol (Dordr) 2023; 46:1605-1623. [PMID: 37438601 DOI: 10.1007/s13402-023-00840-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2023] [Indexed: 07/14/2023] Open
Abstract
Ferroptosis is a newly recognized form of oxidative-regulated cell death resulting from iron-mediated lipid peroxidation accumulation. Radical-trapping antioxidant systems can eliminate these oxidized lipids and prevent disrupting the integrity of cell membranes. Epigenetic modifications can regulate ferroptosis by altering gene expression or cell phenotype without permanent sequence changes. These mechanisms include DNA methylation, histone modifications, RNA modifications, and noncoding RNAs. Epigenetic alterations in cancer can control the expression of ferroptosis regulators or related pathways, leading to changes in cell sensitivity to ferroptosis inducers or cancer progression. Epigenetic alterations in cancer are influenced by a wide range of cancer hallmarks, contributing to therapeutic resistance. Targeting epigenetic alterations is a promising approach to overcoming cancer resilience. However, the exact mechanisms involved in different types of cancer remain unresolved. Discovering more ferroptosis-associated epigenetic targets and interventions can help overcome current barriers in anticancer therapy. Many papers on epigenetic modifications of ferroptosis have been continuously published, making it essential to summarize the current state-of-the-art in the epigenetic regulation of ferroptosis in human cancer.
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Affiliation(s)
- Jaewang Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Gyeonggi-do, 13496, Republic of Korea
- Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea
| | - Jong-Lyel Roh
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Gyeonggi-do, 13496, Republic of Korea.
- Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea.
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Shan C, Liang Y, Wang K, Li P. Noncoding RNAs in cancer ferroptosis: From biology to clinical opportunity. Biomed Pharmacother 2023; 165:115053. [PMID: 37379641 DOI: 10.1016/j.biopha.2023.115053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/16/2023] [Accepted: 06/21/2023] [Indexed: 06/30/2023] Open
Abstract
Ferroptosis is a recently discovered pattern of programmed cell death that is nonapoptotic and irondependent. It is involved in lipid peroxidation dependent on reactive oxygen species. Ferroptosis has been verified to play a crucial regulatory role in a variety of pathological courses of disease, in particularly cancer. Emerging research has highlighted the potential of ferroptosis in tumorigenesis, cancer development and resistance to chemotherapy. However, the regulatory mechanism of ferroptosis remains unclear, which limits the application of ferroptosis in cancer treatment. Noncoding RNAs (ncRNAs) are noncoding transcripts that regulate gene expression in various ways to affect the malignant phenotypes of cancer cells. At present, the biological function and underlying regulatory mechanism of ncRNAs in cancer ferroptosis have been partially elucidated. Herein, we summarize the current knowledge of the central regulatory network of ferroptosis, with a focus on the regulatory functions of ncRNAs in cancer ferroptosis. The clinical application and prospects of ferroptosis-related ncRNAs in cancer diagnosis, prognosis and anticancer therapies are also discussed. Elucidating the function and mechanism of ncRNAs in ferroptosis, along with assessing the clinical significance of ferroptosis-related ncRNAs, provides new perspectives for understanding cancer biology and treatment approaches, which may benefit numerous cancer patients in the future.
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Affiliation(s)
- Chan Shan
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, China.
| | - Yan Liang
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao 266021, China
| | - Kun Wang
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, China
| | - Peifeng Li
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, China.
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Fan X, Fan YT, Zeng H, Dong XQ, Lu M, Zhang ZY. Role of ferroptosis in esophageal cancer and corresponding immunotherapy. World J Gastrointest Oncol 2023; 15:1105-1118. [PMID: 37546564 PMCID: PMC10401468 DOI: 10.4251/wjgo.v15.i7.1105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/28/2023] [Accepted: 04/24/2023] [Indexed: 07/12/2023] Open
Abstract
Esophageal cancer (EC) is one of the most common digestive system malignancies in the world. The combined modality treatment of EC is usually surgery and radiation therapy, however, its clinical efficacy for advanced patients is relatively limited. Ferroptosis, a new type of iron-dependent programmed cell death, is different from apoptosis, necrosis and autophagy. In recent years, many studies have further enlightened that ferroptosis plays an essential role in the occurrence, development and metastasis of tumors. Targeting ferroptosis stimulates a new direction for further exploration of oncologic treatment regimens. Furthermore, ferroptosis has a critical role in the immune microenvironment of tumors. This paper reviews the mechanism of ferroptosis and the ferroptosis research progress in the treatment of EC. We further elaborate the interaction between ferroptosis and immunotherapy, and the related mechanisms of ferroptosis participation in the immunotherapy of EC, so as to provide new directions and ideas for the treatment of EC.
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Affiliation(s)
- Xin Fan
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330000, Jiangxi Province, China
| | - Yan-Ting Fan
- The First Clinical Medical College, Nanchang University, Nanchang 330000, Jiangxi Province, China
| | - Hui Zeng
- Department of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, Jiangxi Province, China
| | - Xi-Qi Dong
- The First Clinical Medical College, Nanchang University, Nanchang 330000, Jiangxi Province, China
| | - Min Lu
- Department of Emergency Medicine, Shangrao Hospital Affiliated to Nanchang University, Shangrao 334000, Jiangxi Province, China
| | - Zhi-Yuan Zhang
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330000, Jiangxi Province, China
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Methods in Medicine CAM. Retracted: LncRNA OIP5-AS1 Knockdown Facilitated the Ferroptosis and Immune Evasion by Modulating the GPX4 in Oesophageal Carcinoma. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2023; 2023:9872438. [PMID: 37416148 PMCID: PMC10322250 DOI: 10.1155/2023/9872438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/08/2023]
Abstract
[This retracts the article DOI: 10.1155/2022/8103198.].
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Lee J, Roh JL. Targeting GPX4 in human cancer: Implications of ferroptosis induction for tackling cancer resilience. Cancer Lett 2023; 559:216119. [PMID: 36893895 DOI: 10.1016/j.canlet.2023.216119] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/25/2023] [Accepted: 03/07/2023] [Indexed: 03/09/2023]
Abstract
Cancer metabolic alterations have been emphasized to protect cancer cells from cell death. The metabolic reprogramming toward a mesenchymal state makes cancer cells resistant to therapy but vulnerable to ferroptosis induction. Ferroptosis is a new form of regulated cell death based on the iron-dependent accumulation of excessive lipid peroxidation. Glutathione peroxidase 4 (GPX4) is the core regulator of ferroptosis by detoxifying cellular lipid peroxidation using glutathione as a cofactor. GPX4 synthesis requires selenium incorporation into the selenoprotein through isopentenylation and selenocysteine tRNA maturation. GPX4 synthesis and expression can be regulated by multiple levels of its transcription, translation, posttranslational modifications, and epigenetic modifications. Targeting GPX4 in cancer may be a promising strategy for effectively inducing ferroptosis and killing therapy-resistant cancer. Several pharmacological therapeutics targeting GPX4 have been developed constantly to activate ferroptosis induction in cancer. The potential therapeutic index of GPX4 inhibitors remains to be tested with thorough examinations of their safety and adverse effects in vivo and clinical trials. Many papers have been published continuously in recent years, requiring state-of-the-art updates in targeting GPX4 in cancer. Herein, we summarize targeting the GPX4 pathway in human cancer, which leads to implications of ferroptosis induction for tackling cancer resilience.
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Affiliation(s)
- Jaewang Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea; Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea
| | - Jong-Lyel Roh
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea; Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea.
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Noncoding RNAs in esophageal cancer: A glimpse into implications for therapy resistance. Pharmacol Res 2023; 188:106678. [PMID: 36709789 DOI: 10.1016/j.phrs.2023.106678] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 01/09/2023] [Accepted: 01/25/2023] [Indexed: 01/27/2023]
Abstract
Esophageal cancer (EC) is one of the most common malignancies of the digestive system and has a high morbidity and mortality worldwide. Chemotherapy in combination with radiotherapy is one of the most important treatment modalities for EC. Chemoradiotherapy is currently acknowledged worldwide as being the standard treatment for locally advanced or unresectable disease. Unfortunately, due to the existence of therapy resistance, a number of EC patients fail to benefit from drug or irradiation treatment, which ultimately leads to poor outcomes. Considerable efforts have been made to explore the mechanisms underlying the therapy resistance of EC. Notably, noncoding RNAs (ncRNAs), including microRNAs (miRNAs), long noncoding RNAs (lncRNAs) and circular RNAs (circRNAs), are current research areas for the modulation of therapy responses and may serve as new targets to overcome treatment resistance in EC. Herein, we summarized the mechanisms by which ncRNAs are involved in drug and radiation resistance in EC and highlighted their role in promoting or repressing treatment resistance. Additionally, we discussed the clinical relevance of ncRNAs, which may serve as potential therapeutic targets and predictive biomarkers for EC.
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