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Lu Y, Yin L, Yang W, Wu Z, Niu J. Antioxidant effects of Paeoniflorin and relevant molecular mechanisms as related to a variety of diseases: A review. Biomed Pharmacother 2024; 176:116772. [PMID: 38810407 DOI: 10.1016/j.biopha.2024.116772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 05/13/2024] [Accepted: 05/17/2024] [Indexed: 05/31/2024] Open
Abstract
Paeoniflorin (PF), which is the main component of the Paeonia lactiflora Pall extract, is one of the traditional Chinese medicines. The pharmacological effects associated with PF include antioxidant, immunomodulatory, anti-inflammatory, anticancer, antidepressant-like and neuroprotective effects. Our previous studies had revealed that PF protected melanocytes and inhibited photodamage through the suppression of oxidative stress (OS). As OS plays a vital role in the progression of a variety of diseases, the capacity for PF to suppress OS may exert important effects upon them. However, no review exists on these antioxidant effects of PF as related to various diseases. Therefore, in this review we summarized studies involved with examining the antioxidant effects and molecular mechanisms of PF. Through its capacity to inhibit OS, PF has been shown to exert beneficial effects upon several systems including nervous, cardiac/vascular, digestive, and respiratory as well as specific diseases such as diabetes, autoimmune, pregnancy related, ocular, kidney, dermatology, along with suppression of distal flap necrosis, postoperative adhesions, and hearing loss. Such findings provide new insights and directions for future research directed at the development of PF as a natural antioxidant for the treatment of clinical diseases.
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Affiliation(s)
- Yansong Lu
- Department of Dermatology, General Hospital of Northern Theater Command, No. 83 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Lu Yin
- Department of Dermatology, General Hospital of Northern Theater Command, No. 83 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Wei Yang
- Department of Dermatology, General Hospital of Northern Theater Command, No. 83 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Ze Wu
- Department of Dermatology, General Hospital of Northern Theater Command, No. 83 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Jun Niu
- Department of Dermatology, General Hospital of Northern Theater Command, No. 83 Wenhua Road, Shenhe District, Shenyang 110016, China.
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2
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Sadhukhan S, Sinha T, Dey S, Panda AC. Subcellular localization of circular RNAs: Where and why. Biochem Biophys Res Commun 2024; 715:149937. [PMID: 38701688 DOI: 10.1016/j.bbrc.2024.149937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/02/2024] [Accepted: 04/11/2024] [Indexed: 05/05/2024]
Abstract
Localization of RNAs at specific subcellular locations regulating various local cellular events has gained much attention recently. Like most other classes of RNAs, the function of newly discovered circular RNAs (circRNAs) is predominantly determined by their association with different cellular factors in the cell. CircRNAs function as transcriptional and posttranscriptional regulators of gene expression by interacting with transcription factors, splicing regulators, RNA-binding proteins, and microRNAs or by translating into functional polypeptides. Hence, studying their subcellular localization to assess their function is essential. The discovery of more than a million circRNA and increasing evidence of their involvement in development and diseases require a thorough analysis of their subcellular localization linking to their biological functions. Here, we summarize current knowledge of circRNA localization in cells and extracellular vesicles, factors regulating their subcellular localization, and the implications of circRNA localization on their cellular functions. Given the discovery of many circRNAs in all life forms and their implications in pathophysiology, we discuss the challenges in studying circRNA localization and the opportunities for unlocking the mystery of circRNA functions.
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Affiliation(s)
- Susovan Sadhukhan
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India
| | - Tanvi Sinha
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India
| | - Suchanda Dey
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India
| | - Amaresh C Panda
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India.
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3
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Li X, Li Y, Wang K, Qi S, Zhang Z, Cai S. Isoquercitrin alleviates OGD/R-induced oxidative stress and impaired mitochondrial biogenesis in SH-SY5Y cells via the NRF1/TFAM pathway. Cell Biochem Biophys 2024:10.1007/s12013-024-01355-0. [PMID: 38888870 DOI: 10.1007/s12013-024-01355-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2024] [Indexed: 06/20/2024]
Abstract
Isoquercitrin (ISO) is a traditional Chinese medicine extract, that has been found to possess potent neuroprotective properties. However, its precise role in the context of ischemic stroke (IS) remains to be fully elucidated. We constructed an in vitro model of IS induced by OGD/R in SH-SY5Y cells. Cell viability, the levels of oxidative stress-related indicators (8-OHDG, MDA, SOD, GSH, and GSH-Px), ROS, and mitochondrial membrane potential were measured by using detection kits. The protein levels of GPX1, SOD, Cytc were measured. The mRNA levels of mitochondrial biogenesis-related indicators (Cytb, CO1, ND2, ND5, and ND6), and mtDNA copy number were measured by RT-qPCR. ATP levels were measured. Molecular docking between ISO and NRF1, and Co-IP assay for NRF1 and TFAM interaction were performed. Expression of NRF1 and TFAM was evaluated. ISO treatment reversed the detrimental effects of OGD/R on cell viability, attenuated the elevation of oxidative stress markers, restored antioxidant levels, and alleviated the impairment of mitochondrial biogenesis in SH-SY5Y cells. ISO interacted with NRF1 and increased its expression along with TFAM. Silencing NRF1 reversed the protective effects of ISO, suggesting its involvement in mediating the neuroprotective effects of ISO. ISO alleviates oxidative stress and mitochondrial biogenesis damage induced by OGD/R in SH-SY5Y cells by upregulating the NRF1/TFAM pathway.
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Affiliation(s)
- Xiuping Li
- School of Public Health and Laboratory Medicine, Hunan University of Medicine, Huaihua, China
| | - Yujie Li
- School of Medicine, Hunan University of Medicine, Huaihua, China
| | - KeRui Wang
- School of Medicine, Hunan University of Medicine, Huaihua, China
| | - Sike Qi
- School of Nursing, Hunan University of Medicine, Huaihua, China
| | - Zherui Zhang
- School of Medicine, Hunan University of Medicine, Huaihua, China
| | - Shichang Cai
- Department of Human Anatomy, School of Basic Medical Sciences, Hunan University of Medicine, Huaihua, China.
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He J, Yu K, Liang G, Shen W, Tian H. circ_0000592 facilitates the progression of esophageal squamous cell carcinoma via miR-155-5p/FZD5 axis. J Biochem Mol Toxicol 2024; 38:e23742. [PMID: 38780005 DOI: 10.1002/jbt.23742] [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: 04/30/2023] [Revised: 03/10/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024]
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the gastrointestinal malignancies with high prevalence and poor prognosis. Previous reports suggested that circular ribose nucleic acids might exert regulatory functions in ESCC. This study aims to explore the role of circ_0000592 in ESCC progression, providing novel insights into the diagnosis and therapeutic avenues for ESCC. The GSE131969 data set was utilized to assess circ_0000592 expression in ESCC. The validation was performed in the tumorous tissues of ESCC patients (n = 80) and human-immortalized ESCC cell lines. The correlation between circ_0000592 expression and prognosis was analyzed. The impact of circ_0000592 on ESCC cell activity was evaluated through downregulating circ_0000592, as well as encompassing cell viability, migration, and invasion abilities. The downstream pathway of circ_0000592 was explored by binding site prediction from the TargetScan database, followed by in vitro and in vivo experiments. An in vivo xenograft tumor model was established to highlight the role of circ_0000592 in ESCC. Patients with ESCC exhibited higher circ_0000592 expression levels compared to noncancerous patients, which were associated with reduced survival time, higher TNM stage, and increased lymph node metastasis. The circ_0000592 downregulation suppressed cell viability, migration, and invasion abilities in vitro. Mechanistically, circ_0000592 countered the inhibitory effects on the target gene Frizzled 5 (FZD5) through interactions with miR-155-5p. The overexpression of miR-155-5p curtailed the luciferase activity of circ_0000592 in ESCC cells, inhibiting downstream molecule FZD5 protein expression and subsequently mitigating the detrimental consequences of escalated circ_0000592 expression in ESCC cells. Consistently, circ_0000592 downregulation curbed proliferation and metastasis of ESCC tumors in vivo. In summary, circ_0000592 promoted the progress of ESCC by counteracting the inhibitory impact on FZD5 through its interaction with miR-155-5p. Together, our findings highlighted circ_0000592 as a prospective therapeutic target for ESCC.
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Affiliation(s)
- Jinxian He
- Department of Thoracic Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, China
| | - Kaizhong Yu
- Department of Thoracic Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, China
| | - Gaofeng Liang
- Department of Thoracic Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, China
| | - Weiyu Shen
- Department of Thoracic Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, China
| | - Hui Tian
- Department of Thoracic Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, China
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Zhang L, Wang Y, Gao J, Zhou X, Huang M, Wang X, He Z. Non‑coding RNA: A promising diagnostic biomarker and therapeutic target for esophageal squamous cell carcinoma (Review). Oncol Lett 2024; 27:255. [PMID: 38646493 PMCID: PMC11027111 DOI: 10.3892/ol.2024.14388] [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: 11/04/2023] [Accepted: 03/22/2024] [Indexed: 04/23/2024] Open
Abstract
Esophageal cancer (EC) is a common form of malignant tumor in the digestive system that is classified into two types: Esophageal squamous cell carcinomas (ESCC) and esophageal adenocarcinoma. ESCC is known for its early onset of symptoms, which can be difficult to identify, as well as its rapid progression and tendency to develop drug resistance to chemotherapy and radiotherapy. These factors contribute to the high incidence of disease and low cure rate. Therefore, a diagnostic biomarker and therapeutic target need to be identified for ESCC. Non-coding RNAs (ncRNAs) are a class of molecules that are transcribed from DNA but do not encode proteins. Initially, ncRNAs were considered to be non-functional segments generated during transcription. However, with advancements in high-throughput sequencing technologies in recent years, ncRNAs have been associated with poor prognosis, drug resistance and progression of ESCC. The present study provides a comprehensive overview of the biogenesis, characteristics and functions of ncRNAs, particularly focusing on microRNA, long ncRNAs and circular RNAs. Furthermore, the ncRNAs that could potentially be used as diagnostic biomarkers and therapeutic targets for ESCC are summarized to highlight their application value and prospects in ESCC.
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Affiliation(s)
- Longze Zhang
- Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
| | - Yanyang Wang
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
- Department of Cell Engineering Laboratory, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
| | - Jianmei Gao
- School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
| | - Xue Zhou
- Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
| | - Minglei Huang
- Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
| | - Xianyao Wang
- Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
| | - Zhixu He
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine, Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
- Department of Cell Engineering Laboratory, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
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Thamjamrassri P, Ariyachet C. Circular RNAs in Cell Cycle Regulation of Cancers. Int J Mol Sci 2024; 25:6094. [PMID: 38892280 PMCID: PMC11173060 DOI: 10.3390/ijms25116094] [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: 04/28/2024] [Revised: 05/26/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Cancer has been one of the most problematic health issues globally. Typically, all cancers share a common characteristic or cancer hallmark, such as sustaining cell proliferation, evading growth suppressors, and enabling replicative immortality. Indeed, cell cycle regulation in cancer is often found to be dysregulated, leading to an increase in aggressiveness. These dysregulations are partly due to the aberrant cellular signaling pathway. In recent years, circular RNAs (circRNAs) have been widely studied and classified as one of the regulators in various cancers. Numerous studies have reported that circRNAs antagonize or promote cancer progression through the modulation of cell cycle regulators or their associated signaling pathways, directly or indirectly. Mostly, circRNAs are known to act as microRNA (miRNA) sponges. However, they also hold additional mechanisms for regulating cellular activity, including protein binding, RNA-binding protein (RBP) recruitment, and protein translation. This review will discuss the current knowledge of how circRNAs regulate cell cycle-related proteins through the abovementioned mechanisms in different cancers.
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Affiliation(s)
- Pannathon Thamjamrassri
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand;
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Medical Biochemistry Program, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Chaiyaboot Ariyachet
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand;
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
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Zhang Y, Zhang H, Wang C, Cao S, Cheng X, Jin L, Ren R, Zhou F. circRNA6448-14/miR-455-3p/OTUB2 axis stimulates glycolysis and stemness of esophageal squamous cell carcinoma. Aging (Albany NY) 2024; 16:9485-9497. [PMID: 38819228 PMCID: PMC11210236 DOI: 10.18632/aging.205879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 03/28/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a gastrointestinal malignancy with high incidence. This study aimed to reveal the complete circRNA-miRNA-mRNA regulatory network in ESCC and validate its function mechanism. METHOD Expression of OTU Domain-Containing Ubiquitin Aldehyde-Binding Protein 2 (OTUB2) in ESCC was analyzed by bioinformatics to find the binding sites between circRNA6448-14 and miR-455-3p, as well as miR-455-3p and OTUB2. The binding relationships were verified by RNA Immunoprecipitation (RIP) and dual-luciferase assay. The expressions of circRNA6448-14, miR-455-3p, and OTUB2 were detected by quantitative real-time polymerase chain reaction (qRT-PCR). MTT assay measured cell viability, and the spheroid formation assay assessed the ability of stem cell sphere formation. Western blot (WB) determined the expression of marker proteins of stem cell surface and rate-limiting enzyme of glycolysis. The Seahorse XFe96 extracellular flux analyzer measured the rate of extracellular acidification rate and cellular oxygen consumption. Corresponding assay kits assessed cellular glucose consumption, lactate production, and adenosine triphosphate (ATP) generation. RESULTS In ESCC, circRNA6448-14 and OTUB2 were highly expressed in contrast to miR-455-3p. Knocking down circRNA6448-14 could prevent the glycolysis and stemness of ESCC cells. Additionally, circRNA6448-14 enhanced the expression of OTUB2 by sponging miR-455-3p. Overexpression of OTUB2 or silencing miR-455-3p reversed the inhibitory effect of knockdown of circRNA6448-14 on ESCC glycolysis and stemness. CONCLUSION This research demonstrated that the circRNA6448-14/miR-455-3p/OTUB2 axis induced the glycolysis and stemness of ESCC cells. Our study revealed a novel function of circRNA6448-14, which may serve as a potential therapeutic target for ESCC.
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Affiliation(s)
- Yaowen Zhang
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
| | - Heming Zhang
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
| | - Chenyu Wang
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
| | - Shasha Cao
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
| | - Xinyu Cheng
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
| | - Linzhi Jin
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
| | - Runchuan Ren
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
| | - Fuyou Zhou
- Department of Radiation Oncology, Anyang Tumor Hospital, The Affiliated Anyang Tumor Hospital of Henan University of Science and Technology, Henan Medical key Laboratory of Precise Prevention and Treatment of Esophageal Cancer, Anyang 455000, China
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Qiu M, Chen Y, Zeng C. Biological functions of circRNA in regulating the hallmarks of gastrointestinal cancer (Review). Int J Oncol 2024; 64:49. [PMID: 38488023 PMCID: PMC10997371 DOI: 10.3892/ijo.2024.5637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 02/06/2024] [Indexed: 03/19/2024] Open
Abstract
Circular RNA (circRNA) was first observed in the cytoplasm of eukaryotic cells in 1979, but it was not characterized in detail until 2012, when high‑throughput sequencing technology was more advanced and available. Consequently, the mechanism of circRNA formation and its biological function have been progressively elucidated by researchers. circRNA is abundant in eukaryotic cells and exhibits a certain degree of organization, timing and disease‑specificity. Additionally, it is poorly degradable, meeting the characteristics of an ideal clinical biomarker. In the present review, the recent research progress of circRNAs in digestive tract malignant tumors was primarily discussed. This included the roles, biological functions and clinical significance of circRNA, providing references for its research value and clinical potential in gastrointestinal cancer.
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Affiliation(s)
- Mengjun Qiu
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Youxiang Chen
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Chunyan Zeng
- Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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Mi Y, Chen L, Wang C, Miao Y, Song C, Su J, Wang L. AURKA knockdown inhibits esophageal squamous cell carcinoma progression through ferroptosis. Heliyon 2024; 10:e28365. [PMID: 38571661 PMCID: PMC10987997 DOI: 10.1016/j.heliyon.2024.e28365] [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: 11/06/2023] [Revised: 03/18/2024] [Accepted: 03/18/2024] [Indexed: 04/05/2024] Open
Abstract
Aurora kinase A, as a pro-carcinogenic in gastric cancer and glioma kinase, is enhanced in several human tumors. However, it's regulatory mechanism in esophageal squamous cell carcinoma (ESCC) remains unclear. Thus, this study aimed to investigate the expression status, functional roles, and molecular mechanisms of AURKA in ESCC development. AURKA expression was analyzed by the screening of the GEO database and detected using an immunohistochemical method. The biological function of AURKA on ESCC was evaluated in vitro and in vivo. Western blot assay, malondialdehyde (MDA), iron, and glutathione (GSH) kits were utilized to assess changes in ferroptosis. Database analysis results showed that AURKA was a differential gene in ESCC and was highly expressed in human ESCC tissues. Functionally, AURKA knockdown decreased ESCC cell proliferation, invasion, and metastasis both in vitro and in vivo. Moreover, when AURKA was knockdown, cells were more correctly blocked in the G2/M phase, and the ferroptosis-related MDA and Fe increased, whereas the GSH reduced. Consistently, Glutathione peroxidase 4 (GPX4) and solute carrier family 7a member 11 (SLC7A11) expression were downregulated by AURKA knockdown. However, ferroptosis inhibitor partially restore ESCC cell proliferation, invasion, and metastasis caused by AURKA knockdown. AURKA knockdown enhances ferroptosis and acts against cancer progression in ESCC. AURKA acts as a tumor-promoting gene and may serve as potential target for ESCC treatment.
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Affiliation(s)
- Yuan Mi
- Department of Emergency, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050011, Hebei, China
| | - Liying Chen
- Department of Physiology, Hebei University of Chinese Medicine, Shijiazhuang, 050200, Hebei, China
| | - Cong Wang
- Department of Pharmacy, Hebei Medical University, Shijiazhuang, 050017, Hebei, China
| | - Yuxin Miao
- Department of Physiology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China
| | - Chuntao Song
- Department of Emergency, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050011, Hebei, China
| | - Jie Su
- Department of Emergency, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050011, Hebei, China
| | - Lei Wang
- Department of Thoracic Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050011, Hebei, China
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10
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Mou X, Peng Z, Yin T, Sun X. Non-endoscopic Screening for Esophageal Squamous Cell Carcinoma: Recent Advances. J Gastrointest Cancer 2024; 55:118-128. [PMID: 37924487 DOI: 10.1007/s12029-023-00980-x] [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] [Accepted: 10/19/2023] [Indexed: 11/06/2023]
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is one of the most common tumors in the gastrointestinal tract, and China has a high incidence area with a high burden on the disease. As early symptoms of ESCC are not obvious, the mortality rate is high, and it is often diagnosed in the intermediate and advanced stages. However, early screening and treatment may reduce morbidity and mortality. METHODS Screening methods are divided into endoscopic and non-endoscopic screening. RESULTS Endoscopic screening cannot be widely used because of its invasive nature and high cost. Currently, non-endoscopic screening consists primarily of tumor biomarkers and cytology, and tumor biomarkers including autoantibodies, circulating tumor cells, circulating tumor DNA, exosomes and serum metabolomics are more likely to be effective. But the efficiency of early diagnosis of esophageal cancer is low and the accuracy of screening needs to be improved. The aim of this study is to summarize advances in non-endoscopic esophageal cancer screening and strategies to provide a scientific basis and research idea for esophageal cancer prevention and control. CONCLUSIONS Non-endoscopic screening is better than endoscopic screening. And the application of tumor biomarkers is much better than other non-endoscopic screening methods.
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Affiliation(s)
- Xiao Mou
- School of Basic Medical Sciences, Southwest Medical University, Luzhou, Sichuan, China.
| | - Zhenglin Peng
- College of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Tao Yin
- College of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
- Department of Pathology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xingwang Sun
- College of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
- Department of Pathology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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11
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Wu J, Wang Y, Cheng Y, Cheng L, Zhang L. Comprehensive landscape and future perspectives of non-coding RNAs in esophageal squamous cell carcinoma, a bibliometric analysis from 2008 to 2023. Pathol Oncol Res 2024; 30:1611595. [PMID: 38450329 PMCID: PMC10915033 DOI: 10.3389/pore.2024.1611595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 02/07/2024] [Indexed: 03/08/2024]
Abstract
Objectives: Summarize the progress and hot topic evolution of non-coding RNAs (ncRNAs) research in esophageal squamous cell carcinoma (ESCC) in recent years and predict future research directions. Methods: Relevant articles from the Web of Science until 31 October 2023 were obtained. Bibliometric analysis of included articles was performed using software (VOSviewer, CiteSpace, and Bibliometrix). The volume and citation of publications, as well as the country, institution, author, journal, keywords of the articles were used as variables to analyze the research trends and hot spot evolution. Results: 1,118 literature from 2008 to 2023 were retrieved from database, with 25 countries/regions, 793 institutions, 5,426 authors, 261 journals involved. Global cooperation was centered on China, Japan, and the United States. Zhengzhou University, an institution from China, had the highest publication. The most prolific author was Guo Wei, and the most prolific journal was Oncology Letters. Analysis of keywords revealed that the research in this field revolved around the role of ncRNAs in the occurrence, development, diagnosis, treatment, and prognosis of ESCC, mainly including micro RNAs, long non-coding RNAs, and then circular RNAs. Conclusion: Overall, research on ncRNAs in ESCC remains strong. Previous research has mainly focused on the basic research, with a focus on the mechanism of ncRNAs in the occurrence, development, diagnosis, treatment, and prognosis of ESCC. Combining current research with emerging disciplines to further explore its mechanisms of action or shifting the focus of research from preclinical research to clinical research based on diagnosis, treatment, and prognosis, will be the main breakthrough in this field in the future.
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Affiliation(s)
- Jiaxin Wu
- Graduate School, Chengdu Medical College, Chengdu, China
| | - Yuanying Wang
- Graduate School, Chengdu Medical College, Chengdu, China
| | - Yi Cheng
- Department of Radiology, People’s Hospital of Lushan County, Ya’an, China
| | - Li Cheng
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu, China
| | - Lushun Zhang
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu, China
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Yang Y, Li J, Wei C, Wang L, Gao Z, Shen K, Li Y, Ren M, Zhu Y, Ding Y, Wei C, Zhang T, Zheng S, Lu N, Gu J. Circular RNA circFCHO2(hsa_circ_0002490) promotes the proliferation of melanoma by directly binding to DND1. Cell Biol Toxicol 2024; 40:9. [PMID: 38311675 PMCID: PMC10838848 DOI: 10.1007/s10565-024-09851-y] [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: 09/22/2023] [Accepted: 01/26/2024] [Indexed: 02/06/2024]
Abstract
Circular RNAs (circRNAs) have been documented to play crucial roles in the biology of various cancers. However, their investigation in melanoma is still at an early stage, particularly as a broader mechanism beyond acting as miRNA sponges needs to be explored. We report here that circFCHO2(hsa_circ_0002490), a circRNA encompassing exons 19 and 20 of the FCHO2 gene, exhibited a consistent overexpression in melanoma tissues. Furthermore, elevated circFCHO2 levels demonstrated a positive correlation with the malignant phenotype and poor prognosis among the 158 melanoma patients studied. Besides, we observed that heightened levels of circFCHO2 promoted melanoma cell proliferation, migration, and invasion in vitro, along with contributing to tumor growth in vivo. Furthermore, we found differences in the secondary structure of circFCHO2 compared to most other circular RNA structures. It has fewer miRNA binding sites, while it has more RNA binding protein binding sites. We therefore speculate that circFCHO2 may have a function of interacting with RNA binding proteins. Mechanistically, it was confirmed by fluorescence in situ hybridization (FISH), RNA-pull down, RNA immunoprecipitation (RIP), and western blotting assays that circFCHO2 interacts with dead end protein homolog 1 (DND1) and reverses the inhibition of the PI3K/AKT signaling pathway by binding to DND1. Our findings reveal that circFCHO2 drives melanoma progression by regulating the PI3K/AKT signaling pathway through direct binding to DND1 and may serve as a potential diagnostic biomarker and therapeutic target for the treatment of melanoma.
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Affiliation(s)
- Yang Yang
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Jianrui Li
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Chuanyuan Wei
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Lu Wang
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Zixu Gao
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Kangjie Shen
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Yinlam Li
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Ming Ren
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Yu Zhu
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Yiteng Ding
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Chenlu Wei
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Tianyi Zhang
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China
| | - Shaoluan Zheng
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital (Xiamen), Fudan University, Xiamen Clinical Research Center for Cancer Therapy, Xiamen, 361015, China
| | - Nanhang Lu
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China.
| | - Jianying Gu
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, No. 180 Feng Lin Road, Shanghai, 200032, China.
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Du L, Yang J, Qin S, Ding S, Guo Y, Wang J. Appraising the value of CircRNAs for the diagnosis and prognosis of esophageal squamous cell cancer: An updated meta-analysis. Pathol Res Pract 2024; 254:155074. [PMID: 38246036 DOI: 10.1016/j.prp.2023.155074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024]
Abstract
OBJECTIVE The purpose of this study was to thoroughly assess the relevance of circular RNAs (circRNAs) in the diagnosis and prognosis of esophageal squamous cell carcinoma (ESCC), and design a systematic review and meta-analysis. METHODS Using Stata 14.0 software, a meta-analysis was carried out by looking for pertinent studies up to February 20, 2023, in the online databases PubMed, Embase, Web of Science, and CNKI. The clinicopathologic and prognostic data were evaluated using the combined advantage ratio (OR) and combined hazard ratio (HR), respectively. The threshold effects and publication bias were quantified using Spearman's correlation and the Deeks funnel plot asymmetry tests, respectively. RESULTS A total of 36 pertinent studies with a literature quality score of 7 or above were included in this study. Of them, 22 papers dealt with clinicopathological characterization, 15 dealt with prognostic analysis, and 13 dealt with diagnostic analysis. The findings demonstrated that high expression of upregulated circRNAs was associated with worse clinicopathological features (tumor size: OR=3.61, 95% CI:1.45-5.78; TNM stage: OR=2.12, 95% CI:1.41-2.83; lymph node metastasis: OR=2.87, 95% CI:1.67-4.07) and worse OS (HR=1.49, 95% CI:1.26-1.77). High downregulated circRNAs expression was linked to improved clinicopathologic characteristics (TNM staging: OR=0.35, 95% CI:0.13- 0.95) and longer survival (HR=0.48, 95% CI:0.27-0.84); combined sensitivity was 0.77 (95% CI: 0.71-0.82), specificity was 0.80 (95% CI:0.74-0.86), and area under the subject operating characteristic curve (AUC) was 0.86 (95% CI:0.82- 0.88). CONCLUSION CircRNAs are useful for ESCC patient diagnosis and prognosis, and they are anticipated to be unique potential biomarkers for ESCC clinical diagnosis.
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Affiliation(s)
- Lihong Du
- Changzhi Medical College Affiliated Heping Hospital, Changzhi, Shanxi Province, 046000, China; Department of Pathology, Changzhi Medical College, Changzhi, Shanxi Province 046000, China; First Clinical College of Changzhi Medical College, Changzhi, Shanxi Province 046000, China
| | - Jianzhou Yang
- Department of Public Health and Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi Province 046000, China
| | - Shaoze Qin
- First Clinical College of Changzhi Medical College, Changzhi, Shanxi Province 046000, China
| | - Shuyu Ding
- First Clinical College of Changzhi Medical College, Changzhi, Shanxi Province 046000, China
| | - Yuwei Guo
- First Clinical College of Changzhi Medical College, Changzhi, Shanxi Province 046000, China
| | - Jinsheng Wang
- Changzhi Medical College Affiliated Heping Hospital, Changzhi, Shanxi Province, 046000, China; Department of Pathology, Changzhi Medical College, Changzhi, Shanxi Province 046000, China; Key Laboratory of Shanxi Provincial Health Commission, Heping Hospital Affiliated to Changzhi Medical College, Changzhi, Shanxi Province 046000, China.
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14
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Zhang L, Gao H, Li X, Yu F, Li P. The important regulatory roles of circRNA‑encoded proteins or peptides in cancer pathogenesis (Review). Int J Oncol 2024; 64:19. [PMID: 38186313 PMCID: PMC10783939 DOI: 10.3892/ijo.2023.5607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/13/2023] [Indexed: 01/09/2024] Open
Abstract
Circular RNAs (circRNAs) represent a class of RNA molecules characterized by their covalently closed structures. There are three types of circRNAs, namely exonic circRNAs, exon‑intron circRNAs and circular intronic RNAs. To date, four distinct mechanisms have been unveiled through which circRNAs exert their functional influence, including serving as microRNA (miRNA) sponges, interacting with RNA binding proteins (RBPs), modulating parental gene transcription and acting as templates for translation. Of note, among these mechanisms, the miRNA/RBP sponge function has been the most investigated one. Recent research has uncovered the presence of various proteins or peptides encoded by circRNA. CircRNAs are translated independent of the 5' cap and 3' polyA tail, which are typical elements for linear RNA translation. Some unique elements, such as internal ribosome entry sites and N‑methyladenosine modifications, facilitate the initiation of translation. These circRNA‑encoded proteins or peptides participate in diverse signalling pathways and act as important regulators in carcinogenesis by influencing cell proliferation, migration, apoptosis and other key processes. Consequently, circRNA‑encoded proteins or peptides have great potential as therapeutic targets for anticancer drugs. The present comprehensive review aimed to systematically summarize the current understanding of circRNA‑encoded proteins or peptides and to unveil their roles in carcinogenesis.
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Affiliation(s)
- Lei Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong 266021, P.R. China
| | - Huijuan Gao
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong 266021, P.R. China
| | - Xin Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong 266021, P.R. China
| | - Fei Yu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong 266021, P.R. China
| | - Peifeng Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong 266021, P.R. China
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Zheng L, Tang T, Wang Z, Sun C, Chen X, Li W, Wang B. FUS-Mediated CircFGFR1 Accelerates the Development of Papillary Thyroid Carcinoma by Stabilizing FGFR1 Protein. Biochem Genet 2024:10.1007/s10528-023-10630-3. [PMID: 38261157 DOI: 10.1007/s10528-023-10630-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 12/09/2023] [Indexed: 01/24/2024]
Abstract
Papillary thyroid carcinoma (PTC) is the most prevalent type of thyroid cancer and its incidence is rising globally. The molecular mechanisms of PTC progression remain unclear, hindering the development of effective treatments. This study focuses on hsa_circ_0008016 (circFGFR1), a circular RNA significantly up-regulated in PTC cells. Silencing circFGFR1 inhibited PTC cell proliferation and increased cell apoptosis, suggesting its role in PTC progression. The RNA-binding protein FUS was identified as a promoter of circFGFR1 formation. While circFGFR1 does not influence FGFR1 mRNA translation, it inhibits ubiquitination and degradation of FGFR1 protein, prolonging its half-life. CircFGFR1 also interacts with protein CBL, inhibiting CBL-mediated ubiquitination of FGFR1 proteins. Rescue assays confirmed circFGFR1 promotes PTC cell growth through mediating FGFR1. This study highlights the potential of circFGFR1 as a therapeutic target, offering insights into PTC's molecular mechanisms, and paving the way for novel treatment strategies.
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Affiliation(s)
- Lu Zheng
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Road, Hefei, Anhui, 230022, China
- Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei, Anhui, 230601, China
| | - Tong Tang
- Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei, Anhui, 230601, China
| | - Zhitao Wang
- Department of Hematology, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei, Anhui, 230601, China
| | - Chenyu Sun
- Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei, Anhui, 230601, China
| | - Xiao Chen
- Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei, Anhui, 230601, China
| | - Wanwan Li
- Department of General Surgery, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei, Anhui, 230601, China
| | - Benzhong Wang
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Road, Hefei, Anhui, 230022, China.
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16
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Wei J, Li M, Chen S, Xue C, Zheng L, Duan Y, Deng H, Fan S, Xiong W, Zhou M. CircBRD7 attenuates tumor growth and metastasis in nasopharyngeal carcinoma via epigenetic activation of its host gene. Cancer Sci 2024; 115:139-154. [PMID: 37940358 PMCID: PMC10823269 DOI: 10.1111/cas.15998] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 10/01/2023] [Accepted: 10/09/2023] [Indexed: 11/10/2023] Open
Abstract
BRD7 was identified as a tumor suppressor in nasopharyngeal carcinoma (NPC). Circular RNAs (CircRNAs) are involved in the occurrence and development of NPC as oncogenes or tumor suppressors. However, the function and mechanism of the circular RNA forms derived from BRD7 in NPC are not well understood. In this study, we first identified that circBRD7 was a novel circRNA derived from BRD7 that inhibited cell proliferation, migration, invasion of NPC cells, as well as the xenograft tumor growth and metastasis in vivo. Mechanistically, circBRD7 promoted the transcriptional activation and expression of BRD7 by enhancing the enrichment of histone 3 lysine 27 acetylation (H3K27ac) in the promoter region of its host gene BRD7, and BRD7 promoted the formation of circBRD7. Therefore, circBRD7 formed a positive feedback loop with BRD7 to inhibit NPC development and progression. Moreover, restoration of BRD7 expression rescued the inhibitory effect of circBRD7 on the malignant progression of NPC. In addition, circBRD7 demonstrated low expression in NPC tissues, which was positively correlated with BRD7 expression and negatively correlated with the clinical stage of NPC patients. Taken together, circBRD7 attenuates the tumor growth and metastasis of NPC by forming a positive feedback loop with its host gene BRD7, and targeting the circBRD7/BRD7 axis is a promising strategy for the clinical diagnosis and treatment of NPC.
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Affiliation(s)
- Jianxia Wei
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
| | - Mengna Li
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
| | - Shipeng Chen
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
| | - Changning Xue
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
| | - Lemei Zheng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
| | - Yumei Duan
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
| | - Hongyu Deng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
| | - Songqing Fan
- Department of Pathology, the Second Xiangya HospitalCentral South UniversityChangshaChina
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
| | - Ming Zhou
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangshaChina
- Cancer Research Institute and School of Basic Medical SciencesCentral South UniversityChangshaChina
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of EducationCentral South UniversityChangshaChina
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17
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Feng Z, Zhang T, Cheng S, Yin X, Zhou Y. CircGFPT1 regulates the growth and apoptosis of esophageal squamous cell carcinoma through miR-142-5p/HAX1 axis. Gen Thorac Cardiovasc Surg 2024; 72:41-54. [PMID: 37455293 DOI: 10.1007/s11748-023-01955-2] [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: 12/22/2022] [Accepted: 06/20/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Currently, multiple circular RNAs (circRNAs) have been verified to act as essential regulators in the progression of esophageal squamous cell carcinoma (ESCC). However, there is no study regarding the role of circGFPT1 in the progression of cancers including ESCC. We aimed to investigate the role of circGFPT1 in ESCC progression. METHODS Quantitative real-time polymerase chain reaction (qRT-PCR) was utilized to measure the expression of circGFPT1, miR-142-5p and HS1-associated protein X-1 (HAX1). 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) and 5-ethynyl-2'-deoxyuridine (EdU) assays were employed to evaluate cell proliferation. Cell migration and invasion were detected by wound-healing and transwell assays. Flow cytometry analysis was conducted to assess cell apoptosis. The protein expression of E-cadherin, N-cadherin, Vimentin, C-caspase3, HAX1 and nuclear proliferation marker (Ki67) was analyzed by western blot or immunohistochemistry assay. RESULTS CircGFPT1 was up-regulated in ESCC tissues and cells. Silencing of circGFPT1 repressed cell proliferation and induced cell apoptosis in ESCC cells. CircGFPT1 acted as a sponge of miR-142-5p. The effects of circGFPT1 knockdown on ESCC cell proliferation and apoptosis were reversed by miR-142-5p inhibition. HAX1 was confirmed to be a target gene of miR-142-5p. CircGFPT1 knockdown inhibited HAX1 expression by targeting miR-142-5p. Additionally, circGFPT1 knockdown hampered tumorigenesis in vivo. CONCLUSION CircGFPT1 promoted ESCC cell growth and repressed apoptosis by up-regulating HAX1 through sponging miR-142-5p.
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Affiliation(s)
- Zheng Feng
- Department of Thoracic Surgery, Tangdu Hospital of Air Force Military Medical University, No. 1, Xinsi Road, Baqiao District, Xi'an City, 710000, Shaanxi, China
| | - Tianyi Zhang
- Department of Thoracic Surgery, Tangdu Hospital of Air Force Military Medical University, No. 1, Xinsi Road, Baqiao District, Xi'an City, 710000, Shaanxi, China
| | - Shaoyi Cheng
- Department of Thoracic Surgery, Tangdu Hospital of Air Force Military Medical University, No. 1, Xinsi Road, Baqiao District, Xi'an City, 710000, Shaanxi, China
| | - Xunliang Yin
- Department of Thoracic Surgery, Tangdu Hospital of Air Force Military Medical University, No. 1, Xinsi Road, Baqiao District, Xi'an City, 710000, Shaanxi, China
| | - Yongan Zhou
- Department of Thoracic Surgery, Tangdu Hospital of Air Force Military Medical University, No. 1, Xinsi Road, Baqiao District, Xi'an City, 710000, Shaanxi, China.
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Cai J, Huang F, Gao W, Gong T, Chen H, Liu Z. Androgen Receptor/AP-1 Activates UGT2B15 Transcription to Promote Esophageal Squamous Cell Carcinoma Invasion. Cancers (Basel) 2023; 15:5719. [PMID: 38136265 PMCID: PMC10741602 DOI: 10.3390/cancers15245719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/23/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is an aggressive epithelial malignancy with poor prognosis. Interestingly, ESCC is strongly characterized by a male-predominant propensity. Our previous study showed that androgen receptor (AR) orchestrated a transcriptional repression program to promote ESCC growth, but it remains unclear whether AR can also activate oncogenic signaling during ESCC progression. In this study, by analyzing our previous AR cistromes and androgen-regulated transcriptomes, we identified uridine diphosphate glucuronosyltransferase family 2 member B15 (UGT2B15) as a bona fide target gene of AR. Mechanistically, AP-1 cofactors played important and collaborative roles in AR-mediated UGT2B15 upregulation. Functional studies have revealed that UGT2B15 promoted invasiveness in vitro and lymph node metastasis in vivo. UGT2B15 was partially responsible for the AR-induced invasive phenotype in ESCC cells. Importantly, simultaneous blocking of AP-1 and AR resulted in stronger inhibition of cell invasiveness compared to inhibiting AP-1 or AR alone. In conclusion, our study reveals the molecular mechanisms underlying the AR-driven ESCC invasion and suggests that the AR/AP1/UGT2B15 transcriptional axis can be potentially targeted in suppressing metastasis in male ESCC patients.
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Affiliation(s)
- Jiahui Cai
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China (F.H.); (W.G.); (T.G.)
| | - Furong Huang
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China (F.H.); (W.G.); (T.G.)
| | - Wenyan Gao
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China (F.H.); (W.G.); (T.G.)
| | - Tongyang Gong
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China (F.H.); (W.G.); (T.G.)
| | - Hongyan Chen
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China (F.H.); (W.G.); (T.G.)
- Key Laboratory of Cancer and Microbiome, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Zhihua Liu
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China (F.H.); (W.G.); (T.G.)
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19
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Ahuja P, Yadav R, Goyal S, Yadav C, Ranga S, Kadian L. Targeting epigenetic deregulations for the management of esophageal carcinoma: recent advances and emerging approaches. Cell Biol Toxicol 2023; 39:2437-2465. [PMID: 37338772 DOI: 10.1007/s10565-023-09818-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/08/2023] [Indexed: 06/21/2023]
Abstract
Ranking from seventh in incidence to sixth in mortality, esophageal carcinoma is considered a severe malignancy of food pipe. Later-stage diagnosis, drug resistance, and a high mortality rate contribute to its lethality. Esophageal squamous cell carcinoma and esophageal adenocarcinoma are the two main histological subtypes of esophageal carcinoma, with squamous cell carcinoma alone accounting for more than eighty percent of its cases. While genetic anomalies are well known in esophageal cancer, accountability of epigenetic deregulations is also being explored for the recent two decades. DNA methylation, histone modifications, and functional non-coding RNAs are the crucial epigenetic players involved in the modulation of different malignancies, including esophageal carcinoma. Targeting these epigenetic aberrations will provide new insights into the development of biomarker tools for risk stratification, early diagnosis, and effective therapeutic intervention. This review discusses different epigenetic alterations, emphasizing the most significant developments in esophageal cancer epigenetics and their potential implication for the detection, prognosis, and treatment of esophageal carcinoma. Further, the preclinical and clinical status of various epigenetic drugs has also been reviewed.
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Affiliation(s)
- Parul Ahuja
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India
| | - Ritu Yadav
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India.
| | - Sandeep Goyal
- Department of Internal Medicine, Pt. B.D, Sharma University of Health Sciences, (Haryana), Rohtak, 124001, India
| | - Chetna Yadav
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India
| | - Shalu Ranga
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India
| | - Lokesh Kadian
- Department of Dermatology, School of Medicine, Indiana University, Indianapolis, Indiana, 46202, USA
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20
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Xu T, Hu Y, Zhao Y, Qi Y, Zhang S, Li P. Hsa_circ_0046534 accelerates esophageal squamous cell carcinoma proliferation and metastasis via regulating MMP2 expression by sponging miR-339-5p. Cell Signal 2023; 112:110906. [PMID: 37748540 DOI: 10.1016/j.cellsig.2023.110906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/20/2023] [Accepted: 09/22/2023] [Indexed: 09/27/2023]
Abstract
Esophageal cancer is one of the most malignant gastrointestinal malignancies. Esophageal squamous cell carcinoma (ESCC) is the most common type of esophageal cancer in China. In recent years, with developments in basic medicine, it has been demonstrated that the abnormal expression of circular RNA (circRNA) plays an important role in the progression and prognosis of ESCC. This study explored the role and downstream molecular mechanisms of circ_0046534 in ESCC. We identified circ_0046534, which was found to be highly expressed in ESCC tissues and cells. Moreover, the downregulation of circ_0046534 inhibited the proliferation, migration and invasion of ESCC cells and the growth and metastasis of ESCC tumours in vivo. Dual-luciferase reporter assays showed that circ_0046534 sponged miR-339-5p and inhibited the expression of miR-339-5p. Furthermore, MMP2 was identified to be a direct target of miR-339-5p through bioinformatics analysis. In addition, the knockdown of circ_0046534 inhibited the expression of the downstream target gene matrix metalloproteinase 2 (MMP2) by releasing the adsorption of miR-339-5p. Taken together, this study demonstrated that silencing circ_0046534 inhibited the growth and metastasis of ESCC through the miR-339-5p/MMP2 pathway. Circ_0046534 is expected to serve as a new biomarker and target for ESCC and provide a new direction for its diagnosis and treatment.
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Affiliation(s)
- Tingting Xu
- Department of Pathophysiology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; Department of Pathology, Henan Provincial People's Hospital, Zhengzhou 450001, China
| | - Yanglin Hu
- Department of Pathophysiology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yanyan Zhao
- Department of Pathophysiology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yanan Qi
- Department of Pathophysiology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Shanfeng Zhang
- Department of Basic Medical Experimental Center, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Pei Li
- Department of Pathophysiology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; Department of Basic Medical Experimental Center, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China.
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21
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Ma T, Wu J, Chen Z. Regulatory networks of circRNA- centred ceRNAs in sepsis-induced acute kidney injury. Epigenetics 2023; 18:2278960. [PMID: 37979155 PMCID: PMC10768734 DOI: 10.1080/15592294.2023.2278960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 10/27/2023] [Indexed: 11/20/2023] Open
Abstract
Sepsis is the primary cause of acute kidney injury (AKI) and is associated with high mortality rates. Growing evidence suggests that noncoding RNAs are vitally involved in kidney illnesses, whereas the role of circular RNAs (circRNAs) in sepsis-induced AKI (SAKI) remains largely unknown. In this present study, caecal ligation and puncture (CLP) in mice was performed to establish an SAKI model. The expression of circRNAs and mRNAs was analysed using circRNA microarray or next-generation sequencing. The results revealed that the expressions of 197 circRNAs and 2509 mRNAs were dysregulated. Validation of the selected circRNAs was performed by qRT-PCR. Bioinformatics analyses and chromatin immunoprecipitation demonstrated that NF-κB/p65 signalling induced the upregulation of circC3, circZbtb16, and circFkbp5 and their linear counterparts by p65 transcription in mouse tubular epithelial cells (mTECs). Furthermore, competitive endogenous RNA (ceRNA) networks demonstrated that some components of NF-κB signalling were potential targets of these dysregulated circRNAs. Among them, Tnf-α was increased by circFkbp5 through the downregulation of miR-760-3p in lipopolysaccharide (LPS)-stimulated mTECs. Knocking down circFkbp5 inhibited the p65 phosphorylation and apoptosis in injured mTECs. These findings suggest that the selected circRNAs and the related ceRNA networks provide new knowledge into the fundamental mechanism of SAKI and circFkbp5/miR-760-3p/Tnf-α axis might be therapeutic targets.
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Affiliation(s)
- Tongtong Ma
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Junjie Wu
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhongqing Chen
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
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22
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Luo Q, Li J, Miao H, Su S, Chen Y, Xu C, Zhao C, Huang J, Ling K, Lin C, Yan H, Zhang S. circSSPO boosts growth of esophageal squamous cell carcinoma through upregulation of micrRNA-6820-5p-mediated KLK8 and PKD1 expression. Cell Biol Toxicol 2023; 39:3219-3234. [PMID: 37812360 DOI: 10.1007/s10565-023-09828-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 08/13/2023] [Indexed: 10/10/2023]
Abstract
Investigation on a competitive endogenous RNA (ceRNA) network attracted lots of attention due its function in cancer regulation. Here, we probed into the possible molecular mechanism of circSSPO/microRNA-6820-5p (miR-6820-5p)/kallikrein-related peptidase 8 (KLK8)/PKD1 network in the esophageal squamous cell carcinoma (ESCC). Following whole-transcriptome sequencing and differential analysis in collected ESCC tissue samples, circRNA-miRNA-mRNA regulatory network affecting ESCC was investigated. After interaction measurement among circSSPO/miR-6820-5p/KLK8/PKD1, their regulatory roles in ESCC cell functions in vitro and xenograft tumor growth and lung metastasis in vivo were analyzed. The bioinformatics prediction and sequencing results screened that circSSPO, miR-6820-5p, KLK8, and PKD1 were associated with ESCC development. In ESCC, miR-6820-5p was expressed at very low levels, while circSSPO, KLK8, and PKD1 were highly expressed. In vitro cell experiments further proved that circSSPO competitively inhibited miR-6820-5p to induce ESCC cell malignant properties. Moreover, knockdown of KLK8 or PKD1 inhibited ESCC cell malignant properties. circSSPO also promoted the tumorigenic and metastasis of ESCC through the upregulation of KLK8 and PKD1 expression in vivo. We found that circSSPO was an oncogenic circRNA that was significantly abundant in ESCC tissues and circSSPO exhibited an oncogenic activity in ESCC by elevating expression of KLK8 and PKD1 through suppressing miR-6820-5p expression.
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Affiliation(s)
- Qianhua Luo
- Clinical Pharmacy Research Center, Shantou University Medical College, Shantou, 515041, People's Republic of China
- Department of Pharmacy, Guangzhou Red Cross Hospital (Guangzhou Red Cross Hospital of Jinan University), No. 396, Tongfuzhong Road, Haizhu District, Guangzhou, 510220, People's Republic of China
| | - Junzheng Li
- Department of Otolaryngology-Head and Neck Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, 510280, China
| | - Haixiong Miao
- Department of Orthopaedics, Guangzhou Red Cross Hospital (Guangzhou Red Cross Hospital of Jinan University), Guangzhou, 510220, People's Republic of China
| | - Siman Su
- Clinical Pharmacy Research Center, Shantou University Medical College, Shantou, 515041, People's Republic of China
| | - Yun Chen
- Department of Pharmacy, Guangzhou Red Cross Hospital (Guangzhou Red Cross Hospital of Jinan University), No. 396, Tongfuzhong Road, Haizhu District, Guangzhou, 510220, People's Republic of China
| | - Chengcheng Xu
- Department of Pharmacy, Guangzhou Red Cross Hospital (Guangzhou Red Cross Hospital of Jinan University), No. 396, Tongfuzhong Road, Haizhu District, Guangzhou, 510220, People's Republic of China
| | - Chengkuan Zhao
- Department of Pharmacy, Guangzhou Red Cross Hospital (Guangzhou Red Cross Hospital of Jinan University), No. 396, Tongfuzhong Road, Haizhu District, Guangzhou, 510220, People's Republic of China
| | - Jianxiang Huang
- Department of Pharmacy, Guangzhou Red Cross Hospital (Guangzhou Red Cross Hospital of Jinan University), No. 396, Tongfuzhong Road, Haizhu District, Guangzhou, 510220, People's Republic of China
| | - Kai Ling
- Clinical Pharmacy Research Center, Shantou University Medical College, Shantou, 515041, People's Republic of China
| | - Chaoxian Lin
- Clinical Pharmacy Research Center, Shantou University Medical College, Shantou, 515041, People's Republic of China.
- Shantou Chaonan Minsheng Hospital, Shantou, 515144, People's Republic of China.
| | - Hongfei Yan
- Department of Pathology, Cancer Hospital of Shantou University Medical College, Shantou, 515031, People's Republic of China.
| | - Shuyao Zhang
- Clinical Pharmacy Research Center, Shantou University Medical College, Shantou, 515041, People's Republic of China.
- Department of Pharmacy, Guangzhou Red Cross Hospital (Guangzhou Red Cross Hospital of Jinan University), No. 396, Tongfuzhong Road, Haizhu District, Guangzhou, 510220, People's Republic of China.
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23
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Mahmoodi Chalbatani G, Gharagouzloo E, Malekraeisi MA, Azizi P, Ebrahimi A, Hamblin MR, Mahmoodzadeh H, Elkord E, Miri SR, Sanati MH, Panahi B. The integrative multi-omics approach identifies the novel competing endogenous RNA (ceRNA) network in colorectal cancer. Sci Rep 2023; 13:19454. [PMID: 37945594 PMCID: PMC10636147 DOI: 10.1038/s41598-023-46620-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023] Open
Abstract
Circular RNAs (circRNA) are known to function as competing endogenous RNA (ceRNA) in various cancers by regulating microRNAs (miRNA). However, in colorectal cancer (CRC), the precise pathological role of circ000240/miRNA/mRNA remains indeterminate. The expression level of hsa_circ_000240 was evaluated using qRT-PCR in matching pairs of CRC tumor and adjacent normal tissue samples in our laboratory. Then, to determine whether hsa_circ_000240 acted as a ceRNA in CRC, the linked miRNAs and gene targets were retrieved. Topological analysis of candidate genes using a network approach identified the most critical hub genes and subnetworks related to CRC disease. Microarray and bulk RNA sequencing analyses were utilized to comprehensively evaluate the expression levels of both miRNA and mRNA in CRC. Single-cell RNA-seq analysis was also used to evaluate the significant overall survival (OS) genes at the cellular level. ATAC-seq data provided insights into candidate genes' accessible chromatin regions. The research uncovered a considerable upregulation of hsa_circ_000240 in CRC tissues. Three miRNAs interacted with the target circRNA. One thousand six hundred eighty intersected genes regulated by three miRNAs were further identified, and the relevant functionality of identified neighbor genes highlighted their relevance to cancer. The topological analysis of the constructed network has identified 33 hub genes with notably high expression in CRC. Among these genes, eight, including CHEK1, CDC6, FANCI, GINS2, MAD2L1, ORC1, RACGAP1, and SMC4, have demonstrated a significant impact on overall survival. The utilization of single-cell RNA sequencing unequivocally corroborated the augmented expression levels of CDC6 and ORC1 in individuals with CRC, alongside their noteworthy connection with the infiltration of immune cells. ATAC-seq analyses revealed altered accessibility regions in Chr2, 4, and 12 for CDC6 and ORC1 high-expression. Correlation analysis of CDC6 and ORC1 further highlighted the association of candidate gene expression with exhaustion markers such as CTLA4, CD247, TIGIT, and CD244. The candidate genes exhibit a positive correlation with chromatin remodeling and histone acetylation. These epigenetic modifications play a significant role in influencing the cancer progression following expression of CDC6 and ORC1 in CRC. Additionally, results showed that the methylation rate of the promoter region of CDC6 was elevated in CRC disease, confirming the functional importance of CDC6 and their interaction with hsa_circ_000240 and associated ceRNA in CRC. In conclusion, this study highlights hsa_circ_000240's role as a ceRNA in CRC. It opens new avenues for further dissection of CDC6, ORC1, and underlying novel epigenetics and immunotherapy targets for CRC therapy.
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Affiliation(s)
| | - Elahe Gharagouzloo
- Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Science, Tehran, Iran
- Division of Cellular and Molecular Biology, Department of Biology, Nour Danesh Institute of Higher Education, Meymeh, Isfahan, Iran
| | | | - Paniz Azizi
- Psychological and Brain Science Departments, Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - Amirabbas Ebrahimi
- Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Science, Tehran, Iran
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA, 02114, USA
| | - Habibollah Mahmoodzadeh
- Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Science, Tehran, Iran
| | - Eyad Elkord
- Department of Applied Biology, College of Science, University of Sharjah, Sharjah, United Arab Emirates.
- Biomedical Research Center, School of Science, Engineering and Environment, University of Salford, Manchester, M5 4WT, UK.
| | - Seyed Rohollah Miri
- Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Science, Tehran, Iran.
| | - Mohammad Hossein Sanati
- Division of Cellular and Molecular Biology, Department of Biology, Nour Danesh Institute of Higher Education, Meymeh, Isfahan, Iran.
- Medical Genetics Department, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
| | - Bahman Panahi
- Department of Genomics, Branch for Northwest and West Region, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Tabriz, Iran
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24
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Yang Y, Zhu B, Ning Z, Wang X, Li Z, Zhang C, Wen L. Circ_0058063 regulates cell vitality and proliferation in oesophageal squamous-cell carcinomas. J Biochem Mol Toxicol 2023; 37:e23470. [PMID: 37477183 DOI: 10.1002/jbt.23470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 07/03/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
Oesophageal squamous-cell carcinoma (ESCC) is a malignant tumor of the digestive system with a poor prognosis. Recent studies have shown the promoting effect of hsa_circ_0058063 (circ_0058063) on ESCC, but the potential regulatory mechanisms of circ_0058063 in ESCC remain largely unclear. The levels of circ_0058063, microRNA-4319 (miR-4319) and mRNA of thrombospondin-1 (THBS1) were indicated by quantitative real-time polymerase chain reaction in ESCC tissues and cells. Meanwhile, the level of THBS1 was quantified by western blot analysis. In addition, the cell functions were examined by CCK8 assay, Edu assay, flow cytometry assay and transwell assay. Furthermore, the interplay between miR-4319 and circ_0058063 or THBS1 was detected by dual-luciferase reporter assay. Finally, an in vivo experiment was implemented to confirm the effect of circ_0058063. The level of circ_0058063 and THBS1 were increased, and the miR-4319 level was decreased in ESCC tissues in contrast to that in normal tissues and cells. For functional analysis, circ_0058063 deficiency inhibited cell vitality, cell proliferation, migration and invasion in ESCC cells, whereas promoted cell apoptosis. Moreover, miR-4319 was confirmed to repress the progression of ESCC cells by suppressing THBS1. In mechanism, circ_0058063 acted as a miR-4319 sponge to regulate the level of THBS1. Besides, circ_0058063 knockdown also attenuated tumour growth in vivo. Circ_0058063 facilitates the development of ESCC through increasing THBS1 expression by regulating miR-4319, which also offered an underlying targeted therapy for ESCC treatment.
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Affiliation(s)
- Yixuan Yang
- Department of Health Care, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Bing Zhu
- Department of Thoracic Surgery, Hubei Provincial Hospital of Integrated Chinese and Western Medicine, Wuhan, Hubei, China
| | - Zhaofeng Ning
- Department of Radiotherapy, Tai'an Tumor Hospital, Tai'an, Shandong, China
| | - Xiaodong Wang
- Department of Cardiothoracic Surgery, Air Force Hospital in Western War Zone, Chengdu, Sichuan, China
| | - Zhaoxia Li
- Department of Oncology, PLA Rocket Force Characteristic Medical Center, Beijing, China
| | - Chunxia Zhang
- Department of Gastroenterology, Inner Mongolia Forestry General Hospital, Yakeshi, Inner Mongolia, China
| | - Linchun Wen
- Department of Oncology, Nanjing Drum Tower Hospital Group Suqian Hospital, The Affiliated Suqian Hospital of Xuzhou Medical University, Suqian, Jiangsu, China
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25
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Yamada M, Tanaka K, Yamamoto K, Matsumoto H, Yamasaki M, Yamashita K, Makino T, Saito T, Yamamoto K, Takahashi T, Kurokawa Y, Nakajima K, Okada Y, Eguchi H, Doki Y. Association between circ_0004365 and cisplatin resistance in esophageal squamous cell carcinoma. Oncol Lett 2023; 26:467. [PMID: 37780544 PMCID: PMC10534278 DOI: 10.3892/ol.2023.14054] [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: 01/03/2023] [Accepted: 07/13/2023] [Indexed: 10/03/2023] Open
Abstract
Cisplatin is one of the most predominant drugs for the chemotherapy of esophageal squamous cell carcinoma (ESCC); however, the underlying resistance mechanisms are still almost unknown. The present study performed RNA sequencing of human circular RNA (circRNA) in TE11 cells and cisplatin-resistant TE11 cells (TE11R). The expression profiles determined using CIRCexplorer2 revealed that the expression of circ_0004365, mapped on the Semaphorin 3C gene, was significantly greater in TE11R compared with in TE11. In reverse transcription-quantitative PCR, circ_0004365 expression was observed in human ESCC and non-tumor tissues and was significantly upregulated in ESCC tumor tissues after chemotherapy. Circ_0004365 expression was significantly upregulated in patients with poor pathological response (P=0.02). Furthermore, patients with advanced pT stage showed an upregulation in circ_0004365 expression after chemotherapy (P=0.02). The MTT assay revealed that knockdown of circ_0003465 in TE11 significantly decreased resistance to cisplatin. In conclusion, the present study suggested that circ_0004365 was associated with cisplatin resistance in ESCC and can be used as both a novel biomarker and a therapeutic target.
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Affiliation(s)
- Moyuru Yamada
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Koji Tanaka
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Kenichi Yamamoto
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Hisatake Matsumoto
- Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Makoto Yamasaki
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Kotaro Yamashita
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Tomoki Makino
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Takuro Saito
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Kazuyoshi Yamamoto
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Tsuyoshi Takahashi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yukinori Kurokawa
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Kiyokazu Nakajima
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yukinori Okada
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Hidetoshi Eguchi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
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26
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Feng XY, Zhu SX, Pu KJ, Huang HJ, Chen YQ, Wang WT. New insight into circRNAs: characterization, strategies, and biomedical applications. Exp Hematol Oncol 2023; 12:91. [PMID: 37828589 PMCID: PMC10568798 DOI: 10.1186/s40164-023-00451-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/23/2023] [Indexed: 10/14/2023] Open
Abstract
Circular RNAs (circRNAs) are a class of covalently closed, endogenous ncRNAs. Most circRNAs are derived from exonic or intronic sequences by precursor RNA back-splicing. Advanced high-throughput RNA sequencing and experimental technologies have enabled the extensive identification and characterization of circRNAs, such as novel types of biogenesis, tissue-specific and cell-specific expression patterns, epigenetic regulation, translation potential, localization and metabolism. Increasing evidence has revealed that circRNAs participate in diverse cellular processes, and their dysregulation is involved in the pathogenesis of various diseases, particularly cancer. In this review, we systematically discuss the characterization of circRNAs, databases, challenges for circRNA discovery, new insight into strategies used in circRNA studies and biomedical applications. Although recent studies have advanced the understanding of circRNAs, advanced knowledge and approaches for circRNA annotation, functional characterization and biomedical applications are continuously needed to provide new insights into circRNAs. The emergence of circRNA-based protein translation strategy will be a promising direction in the field of biomedicine.
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Affiliation(s)
- Xin-Yi Feng
- MOE Key Laboratory of Gene Function and Regulation, Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Shun-Xin Zhu
- MOE Key Laboratory of Gene Function and Regulation, Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Ke-Jia Pu
- MOE Key Laboratory of Gene Function and Regulation, Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Heng-Jing Huang
- MOE Key Laboratory of Gene Function and Regulation, Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Yue-Qin Chen
- MOE Key Laboratory of Gene Function and Regulation, Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
| | - Wen-Tao Wang
- MOE Key Laboratory of Gene Function and Regulation, Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
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27
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Jia YR, Guo ZQ, Guo Q, Wang XC. Glycogen Synthase Kinase-3β, NLRP3 Inflammasome, and Alzheimer's Disease. Curr Med Sci 2023; 43:847-854. [PMID: 37721665 DOI: 10.1007/s11596-023-2788-4] [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: 06/11/2023] [Accepted: 07/25/2023] [Indexed: 09/19/2023]
Abstract
Alzheimer's disease (AD) is the most prevalent cause of dementia worldwide. Because of the progressive neurodegeneration, individual cognitive and behavioral functions are impaired, affecting the quality of life of millions of people. Although the exact pathogenesis of AD has not been fully elucidated, amyloid plaques, neurofibrillary tangles (NFTs), and sustaining neuroinflammation dominate its characteristics. As one of the major tau kinases leading to hyperphosphorylation and aggregation of tau, glycogen synthase kinase-3β (GSK-3β) has been drawing great attention in various AD studies. Another research focus of AD in recent years is the inflammasome, a multiprotein complex acting as a regulator in immunological reactions to exogenous and endogenous danger signals, of which the Nod-like receptor (NLR) family, pyrin domain-containing 3 (NLRP3) inflammasome has been studied mostly in AD and proven to play a significant role in AD development by its activation and downstream effects such as caspase-1 maturation and interleukin (IL)-1β release. Studies have shown that the NLRP3 inflammasome is activated in a GSK-3β-dependent way and that inhibition of the NLRP3 inflammasome downregulates GSK-3β, suggesting that these two important proteins are closely related. This article reviews the respective roles of GSK-3β and the NLRP3 inflammasome in AD as well as their relationship and interaction.
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Affiliation(s)
- Yue-Ran Jia
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zi-Qing Guo
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Qian Guo
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiao-Chuan Wang
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, China.
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28
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Song D, Ye Z, Chen F, Zhan L, Sun X. circFNDC3B promotes esophageal squamous cell carcinoma progression by targeting MYO5A via miR-370-3p/miR-136-5p. BMC Cancer 2023; 23:821. [PMID: 37667251 PMCID: PMC10476377 DOI: 10.1186/s12885-023-11314-2] [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: 03/27/2023] [Accepted: 08/18/2023] [Indexed: 09/06/2023] Open
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a prevalent malignant tumor worldwide. Circular RNA (circRNA) is of great value in tumorigenesis progression. However, the mechanism of circFNDC3B in ESCC remains to be clarified. METHODS Firstly, the circular characteristics of circFNDC3B were evaluated by Actinomycin D and RNase R measurements. The functions of circFNDC3B in ESCC cells were examined by CCK-8, EdU and flow cytometry. Subsequently, the molecular mechanism of circFNDC3B was explained using luciferase reporter gene detection. Finally, we constructed xenograft model to prove the role of circFNDC3B in vivo. RESULTS Our study revealed that circFNDC3B was more stable than its linear RNA and prominently upregulated in ESCC. Functional findings suggested that silencing of circFNDC3B reduced the proliferation and enhanced apoptosis of ESCC cells in vitro. Meanwhile, knockdown of circFNDC3B attenuated tumor progression in vivo. Next, miR-370-3p/miR-136-5p was discovered to bind circFNDC3B. miR-370-3p/miR-136-5p reversed the promotive effect on cell proliferation and the inhibitory effect on cell apoptosis of circFNDC3B. MYO5A was a downstream target of miR-370-3p/miR-136-5p. CircFNDC3B served as a sponge for miR-370-3p/miR-136-5p and alleviated the prohibitory effect of miR-370-3p/miR-136-5p on MYO5A, which accelerated ESCC progression. CONCLUSION circFNDC3B positively adjusted the MYO5A expression via spongy miR-370-3p/miR-136-5p, hence achieving the cancer-promoting effect on ESCC. circFNDC3B was a prospective diagnosis marker for ESCC.
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Affiliation(s)
- Dan Song
- Department of Radiation Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, No.42, Baiziting, Nanjing, 210009, Jinagsu Province, China.
- Department of Radiation Oncology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, Jiangsu, China.
| | - Ziqi Ye
- Department of Radiation Oncology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Fangyu Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Liangliang Zhan
- Department of Radiation Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, No.42, Baiziting, Nanjing, 210009, Jinagsu Province, China
| | - Xinchen Sun
- Department of Radiation Oncology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, Jiangsu, China.
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29
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Zhang F, Jiang J, Qian H, Yan Y, Xu W. Exosomal circRNA: emerging insights into cancer progression and clinical application potential. J Hematol Oncol 2023; 16:67. [PMID: 37365670 DOI: 10.1186/s13045-023-01452-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/10/2023] [Indexed: 06/28/2023] Open
Abstract
Exosomal circRNA serves a novel genetic information molecule, facilitating communication between tumor cells and microenvironmental cells, such as immune cells, fibroblasts, and other components, thereby regulating critical aspects of cancer progression including immune escape, tumor angiogenesis, metabolism, drug resistance, proliferation and metastasis. Interestingly, microenvironment cells have new findings in influencing tumor progression and immune escape mediated by the release of exosomal circRNA. Given the intrinsic stability, abundance, and broad distribution of exosomal circRNAs, they represent excellent diagnostic and prognostic biomarkers for liquid biopsy. Moreover, artificially synthesized circRNAs may open up new possibilities for cancer therapy, potentially bolstered by nanoparticles or plant exosome delivery strategies. In this review, we summarize the functions and underlying mechanisms of tumor cell and non-tumor cell-derived exosomal circRNAs in cancer progression, with a special focus on their roles in tumor immunity and metabolism. Finally, we examine the potential application of exosomal circRNAs as diagnostic biomarkers and therapeutic targets, highlighting their promise for clinical use.
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Affiliation(s)
- Fan Zhang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China
| | - Jiajia Jiang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China
| | - Hui Qian
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China
| | - Yongmin Yan
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China.
- Department of Laboratory Medicine, Wujin Hospital Affiliated with Jiangsu University, No. 2 North Yongning Road, Changzhou, 213017, Jiangsu, People's Republic of China.
| | - Wenrong Xu
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China.
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China.
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Qadir J, Wen SY, Yuan H, Yang BB. CircRNAs regulate the crosstalk between inflammation and tumorigenesis: The bilateral association and molecular mechanisms. Mol Ther 2023; 31:1514-1532. [PMID: 36518080 PMCID: PMC10278049 DOI: 10.1016/j.ymthe.2022.12.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/16/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
Inflammation, a hallmark of cancer, has been associated with tumor progression, transition into malignant phenotype and efficacy of the chemotherapeutic agents in cancer. Chronic inflammation provides a favorable environment for tumorigenesis by inducing immunosuppression, whereas acute inflammation prompts tumor suppression by generating anti-tumor immune responses. Inflammatory factors derived from interstitial cells or tumor cells can stimulate cell proliferation and survival by modulating oncogenes and/or tumor suppressors. Recently, a new class of RNAs, i.e., circular RNAs (circRNAs), has been implicated in inflammatory diseases. Although there are reports on circRNAs imparting functions in inflammatory insults, whether these circularized transcripts hold the potential to regulate inflammation-induced cancer or tumor-related inflammation, and modulate the interactions between tumor microenvironment (TME) and the inflammatory stromal/immune cells, awaits further elucidation. Contextually, the current review describes the molecular association between inflammation and cancer, and spotlights the regulatory mechanisms by which circRNAs can moderate TME in response to inflammatory signals/triggers. We also present comprehensive information about the immune cell(s)-specific expression and functions of the circRNAs in TME, modulation of inflammatory signaling pathways to drive tumorigenesis, and their plausible roles in inflammasomes and tumor development. Moreover, the therapeutic potential of these circRNAs in harnessing inflammatory responses in cancer is also discussed.
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Affiliation(s)
- Javeria Qadir
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Shuo-Yang Wen
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Hui Yuan
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Burton B Yang
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.
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Lyu Y, Tan B, Li L, Liang R, Lei K, Wang K, Wu D, Lin H, Wang M. A novel protein encoded by circUBE4B promotes progression of esophageal squamous cell carcinoma by augmenting MAPK/ERK signaling. Cell Death Dis 2023; 14:346. [PMID: 37264022 DOI: 10.1038/s41419-023-05865-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 04/23/2023] [Accepted: 05/16/2023] [Indexed: 06/03/2023]
Abstract
Esophageal squamous carcinoma (ESCC) is a common malignant cancer. Although the non-coding roles of circRNAs in the pathogenesis of human tumors have been well studied, whether circRNAs participate in the progression of ESCC by encoding novel proteins remains unclear. In this study, we identified an overexpression circRNA with protein-coding ability in ESCC tissues, called circUBE4B, whose expression level is correlated with tumor size and tumor differentiation level of ESCC patients. Moreover, a higher level of circUBE4B in ESCC patients is correlated with a worse prognosis. Functionally, we found that circUBE4B promoted the proliferation of ESCC cells by encoding a novel cancer-promoting protein, circUBE4B-173aa. Mechanistically, the circUBE4B-173aa protein interacts with MAPK1 and promotes the phosphorylation level of MAPK1 to eventually activate MAPK/ERK signaling pathway. The xenograft model revealed that overexpression of circUBE4B-173aa in ESCC cells significantly promoted the growth of grafts. Our study provides new insights into the mechanism of circRNA in the development of ESCC and circUBE4B-173aa has the potential to serve as a biomarker and a novel therapeutic target for ESCC therapy.
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Affiliation(s)
- Yingcheng Lyu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
| | - Binghua Tan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
| | - Lin Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
| | - Ruihao Liang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
| | - Kai Lei
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
| | - Kefeng Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
| | - Duoguang Wu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China
| | - Huayue Lin
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China.
- Breast Tumor Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China.
| | - Minghui Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China.
- Department of Thoracic Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120, Guangzhou, China.
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Wei J, Li M, Xue C, Chen S, Zheng L, Deng H, Tang F, Li G, Xiong W, Zeng Z, Zhou M. Understanding the roles and regulation patterns of circRNA on its host gene in tumorigenesis and tumor progression. J Exp Clin Cancer Res 2023; 42:86. [PMID: 37060016 PMCID: PMC10105446 DOI: 10.1186/s13046-023-02657-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/29/2023] [Indexed: 04/16/2023] Open
Abstract
Circular RNAs (circRNAs) are a novel type of endogenous non-coding RNAs, which are covalently closed loop structures formed by precursor mRNAs (pre-mRNAs) through back-splicing. CircRNAs are abnormally expressed in many tumors, and play critical roles in a variety of tumors as oncogenes or tumor suppressor genes by sponging miRNAs, regulating alternative splicing and transcription, cis-regulating host genes, interacting with RNA binding proteins (RBPs) or encoding polypeptides. Among them, the regulation of circRNAs on their corresponding host genes is a critical way for circRNAs to exit their functions. Accumulating evidence suggests that circRNAs are able to regulate the expression of host genes at the transcriptional level, post-transcriptional level, translational level, post-translational level, or by encoding polypeptides. Therefore, this paper mainly summarized the roles and association of circRNAs and their corresponding host genes in tumorigenesis and tumor progression, generalized the circRNAs that function synergistically or antagonistically with their host genes, and elaborated the mechanisms of mutual regulation between circRNAs and their host genes. More importantly, this review provides specific references for revealing the potential application of circRNAs combined with their host genes in tumor diagnosis, treatment and prognosis.
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Affiliation(s)
- Jianxia Wei
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Mengna Li
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Changning Xue
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Shipeng Chen
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Lemei Zheng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Hongyu Deng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
| | - Faqing Tang
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Guiyuan Li
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Zhaoyang Zeng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Ming Zhou
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.
- Cancer Research Institute, Central South University, Changsha, 410078, China.
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China.
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Luo Q, Kuang Y, Tao X, Zhu X, Zhao X, Lu G, Zhang W, Sun E, Chen B. Pan-cancer analysis of PCAT6 and its effect on oesophageal squamous cell carcinoma cell proliferation and migration. Med Oncol 2023; 40:125. [PMID: 36949349 DOI: 10.1007/s12032-023-01982-2] [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: 11/21/2022] [Accepted: 02/20/2023] [Indexed: 03/24/2023]
Abstract
Bioinformatics methods were used to analyze the role of PCAT6 in a variety of tumors and verify its role in oesophageal squamous cell carcinoma (ESCC) EC109 cells. The pan-cancer dataset was downloaded from the University of California Santa Cruz (UCSC) database to analyze the expression of PCAT6 in pan-cancer and its relationship with prognosis, clinical features, and immune infiltration. The expression and prognosis of PCAT6 in ESCC were verified by Gene Expression Omnibus (GEO) and Kaplan-Meier database. CCK8, colony formation, wound healing, Transwell cell invasion (CI), and cell migration (CM) assays were used to detect the effect of PCAT6 knockdown on the ability of ESCC cell proliferation (CP), CI and CM. Gene Set Enrichment Analysis was used to analyze the signaling pathways involved in the regulation of PCAT6. Quantitative real-time PCR and western blotting were used to examine the expression of cancer stem cell-related markers and the activation of JAK/STAT pathway in ESCC after PCAT6 knockdown. PCAT6 is significantly up-regulated in a variety of tumor tissues, and its expression is closely related to prognosis, clinical features and immune infiltration. High expression of PCAT6 leads to poor prognosis in ESCC patients. In ESCC EC109 cells, PCAT6 knockdown inhibited the ability of CP, CI, CM, and stemness, and inhibited the activation of JAK/STAT signaling pathway. PCAT6 expression is elevated in a variety of tumors. PCAT6 plays an oncogene role in ESCC by activating the JAK/STAT signaling pathway.
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Affiliation(s)
- Qian Luo
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China
| | - Yunshu Kuang
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China
| | - Xiangxiang Tao
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China
| | - Xiaoqun Zhu
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China
| | - Xu Zhao
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China
| | - Guangtao Lu
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China
| | - Wen Zhang
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China
| | - Entao Sun
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, Anhui, China.
| | - Bing Chen
- Department of Pathology, Wannan Medical College, Wuhu, Anhui, China.
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Muftuoglu C, Mert U, Akagunduz OO, Tavlayan E, Al-Omar A, Asadi M, Caner A. Profiling of circRNA expressions in radiation-treated head and neck cancer cells and the potential role of circPVT1. Arch Oral Biol 2023; 150:105690. [PMID: 37027893 DOI: 10.1016/j.archoralbio.2023.105690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/20/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023]
Abstract
OBJECTIVE Radiotherapy is an indispensable treatment modality for head and neck cancers (HNCs). Due to their stable structure, circular RNAs (circRNA) have been implicated as potential biomarkers for clinical use in cancers. The purpose of this study was profiling the circRNA in radiation-treated head and neck cancer cells to identify potential differentially expressed circRNAs. DESIGN The effects of radiation on the expression level of circRNAs were investigated in HNCs cells, compared to healthy cell lines. To predict the potential role of circRNAs in HNC patients, tissue expression levels, survival analyses of circRNAs, and circRNA-miRNA network were evaluated using TCGA/CPTAC datasets. Based on expression level in irradiated cells, circPVT1 (plasmacytoma variant translocation 1) was further investigated by sequence analysis. RESULTS The study revealed the characterization of differentially expressed circRNAs in cancer cells and that irradiation made significant changes in the expression of circRNAs. These findings suggest that certain circRNAs, especially circPVT1, may be potential biomarkers to monitor radiotherapy effects in patients with HNCs. CONCLUSIONS CircRNAs may be promising molecules for improving and understanding radiotherapy efficacy in HNCs.
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Affiliation(s)
- Can Muftuoglu
- Institute of Health Sciences, Department of Basic Oncology, Ege University, Izmir, Turkey; Translational Pulmonary Research Center (EGESAM), Ege University, Izmir, Turkey
| | - Ufuk Mert
- Institute of Health Sciences, Department of Basic Oncology, Ege University, Izmir, Turkey; Translational Pulmonary Research Center (EGESAM), Ege University, Izmir, Turkey; Atatürk Health Care Vocational School, Ege University, Izmir, Turkey
| | | | - Emin Tavlayan
- Department of Radiation Oncology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Ahmed Al-Omar
- Institute of Health Sciences, Department of Basic Oncology, Ege University, Izmir, Turkey
| | - Milad Asadi
- Institute of Health Sciences, Department of Basic Oncology, Ege University, Izmir, Turkey
| | - Ayse Caner
- Institute of Health Sciences, Department of Basic Oncology, Ege University, Izmir, Turkey; Translational Pulmonary Research Center (EGESAM), Ege University, Izmir, Turkey; Department of Parasitology, Faculty of Medicine, Ege University, Izmir, Turkey.
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Yao W, Jia X, Zhu L, Xu L, Zhang Q, Xia T, Wei L. Exosomal circ_0026611 contributes to lymphangiogenesis by reducing PROX1 acetylation and ubiquitination in human lymphatic endothelial cells (HLECs). Cell Mol Biol Lett 2023; 28:13. [PMID: 36803975 PMCID: PMC9936748 DOI: 10.1186/s11658-022-00410-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 11/24/2022] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND Esophageal squamous carcinoma (ESCC) is a common malignancy that originates in the digestive tract. Lymph node metastasis (LNM) is a complicated process, and tumor lymphangiogenesis has been reported to be associated with the spread of tumor cells to lymph nodes (LNs), including in ESCC. However, little is currently known about the mechanisms involved in lymphangiogenesis in ESCC tumors. According to previous literature, we know that hsa_circ_0026611 expresses at a high level in serum exosomes of patients with ESCC and shows a close association with LNM and poor prognosis. However, details on the functions of circ_0026611 in ESCC remain unclear. We aim to explore the effects of circ_0026611 in ESCC cell-derived exosomes on lymphangiogenesis and its potential molecular mechanism. METHODS We firstly examined how circ_0026611 may express in ESCC cells and exosomes by quantitative reverse transcription real-time polymerase chain reaction (RT-qPCR). The potential effects circ_0026611 may exert on lymphangiogenesis in ESCC cell-derived exosomes were assessed afterward via mechanism experiments. RESULTS circ_0026611 high expression pattern was confirmed in ESCC cells and exosomes. ESCC cell-derived exosomes promoted lymphangiogenesis by transferring circ_0026611. Besides, circ_0026611 interacted with N-α-acetyltransferase 10 (NAA10) to inhibit NAA10-mediated prospero homeobox 1 (PROX1) acetylation with subsequent ubiquitination and degradation. Furthermore, circ_0026611 was verified to promote lymphangiogenesis in a PROX1-mediated manner. CONCLUSIONS Exosomal circ_0026611 inhibited PROX1 acetylation and ubiquitination to promote lymphangiogenesis in ESCC.
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Affiliation(s)
- Wenjian Yao
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Xiangbo Jia
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Li Zhu
- grid.414011.10000 0004 1808 090XDepartment of Thoracic Surgery, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, 450003 Henan China
| | - Lei Xu
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Quan Zhang
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Tian Xia
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Li Wei
- Department of Thoracic Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003, Henan, China.
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Hu T, Peng H, Yang F, Zhang F, He J. Circ_0024108 promotes the progression of esophageal cancer cells. Gen Thorac Cardiovasc Surg 2023:10.1007/s11748-023-01909-8. [PMID: 36757626 DOI: 10.1007/s11748-023-01909-8] [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: 10/25/2022] [Accepted: 01/18/2023] [Indexed: 02/10/2023]
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a serious malignant cancer. The treatment effect of ESCC is relatively poor and needs further improvement. According to reports, circular RNAs (circRNAs) actively participate in human carcinogenesis. More explorations are needed about the action of circRNAs in ESCC. METHODS Circ_0024108, miR-488-3p, and USP14 was quantified by a qRT-PCR or immunoblotting method. Cell proliferation evaluation was performed by MTT, EdU, and colony formation assays. Evaluation of cell motility and invasiveness was conducted using wound healing assay and transwell assay. The regulatory mechanism of circ_0024108, miR-488-3p, and USP14 was detected by RNA pull-down assay and dual-luciferase reporter assay. RESULTS Circ_0024108 and USP14 were significantly overexpressed in ESCC, while miR-488-3p was underexpressed. Deficiency of circ_0024108 impeded cell growth, motility, and invasiveness. Circ_0024108 regulated the expression of USP14 in ESCC cells via miR-488-3p. Also, circ_0024108 was present at high levels in serum exosomes from ESCC patients with high specificity and sensitivity. CONCLUSIONS Taken together, circ_0024108 participated in the progress of ESCC through the miR-488-3p/USP14 axis. Circ_0024108 was differentially expressed in serum exosomes. Circ_0024108 might be a potential biomarker for the diagnosis of ESCC.
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Affiliation(s)
- Tongchen Hu
- Department of Thoracic Surgery, The Affiliated Hospital of Southwest Medical University, No. 25 TaiPing St, Jiangyang District, Luzhou, 646000, Sichuan, People's Republic of China
| | - Huali Peng
- Department of Thoracic Surgery, The People's Hospital of Leshan, Leshan, 614000, Sichuan, China
| | - Fan Yang
- Department of Thoracic Surgery, The People's Hospital of Leshan, Leshan, 614000, Sichuan, China
| | - Fan Zhang
- Department of Thoracic Surgery, The People's Hospital of Leshan, Leshan, 614000, Sichuan, China
| | - Jintao He
- Department of Thoracic Surgery, The Affiliated Hospital of Southwest Medical University, No. 25 TaiPing St, Jiangyang District, Luzhou, 646000, Sichuan, People's Republic of China.
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Wang J, Zhao N, Peng S, Zhang T. Circ_0003340 regulates the expression of ENAH to affect the development of esophageal cancer through miR-874-3p. Thorac Cancer 2023; 14:815-826. [PMID: 36737402 PMCID: PMC10040281 DOI: 10.1111/1759-7714.14812] [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: 11/30/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Esophageal cancer is a malignant tumor with a poor prognosis and high incidence. Circular RNAs (circRNAs) have been shown to be involved in the pathogenesis of cancers, including esophageal cancer. Here, we explored the precise role of circ_0003340 in esophageal cancer development. METHODS The expression levels of circ_0003340, miR-874-3p and enabled homolog (ENAH) were detected by quantitative real-time polymerase chain reaction and western blot. Subcellular localization and RNase R assays were used to characterize circ_0003340. Cell Counting Kit 8, flow cytometry, transwell assays were used to analyze cell proliferation, apoptosis, migration and invasion. The effect of circ_0003340 on tumor growth was assessed by tumor experiments in vivo. Dual-luciferase reporter assay was used to analyze the relationship between miR-874-3p and circ_0003340 or ENAH. RESULTS Circ_0003340 was mainly located in the cytoplasm and was upregulated in esophageal cancer tissues and cells. Circ_0003340 knockdown inhibited cell proliferation, migration, invasion, glucose consumption, and lactate production and induced cell apoptosis in esophageal cancer cells. Moreover, circ_0003340 knockdown suppressed tumor growth in vivo. MiR-874-3p was reduced in esophageal cancer tissues and cells, and it was a molecular mediator of circ_0003340 function in esophageal cancer cells. ENAH was identified as a direct and functional target of miR-874-3p in esophageal cancer cells. The promotion effect of circ_0003340 on ENAH was ameliorated by miR-874-3p. CONCLUSION The data demonstrated that circ_0003340 promoted the progression of esophageal cancer through miR-874-3p/ENAH axis, which might provide novel therapeutic targets for esophageal cancer intervention.
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Affiliation(s)
- Jingyi Wang
- Department of Radiotherapy, Shanxi Province Cancer Hospital, Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical Sciences, Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, China
| | - Ning Zhao
- Library and Information Office, Shanxi Province Cancer Hospital, Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical Sciences, Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, China
| | - Shengzu Peng
- Department of Thoracic Surgery, Shanxi Province Cancer Hospital, Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical Sciences, Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, China
| | - Tao Zhang
- Morphology Laboratory, School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
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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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Circular RNA circ-AGFG1 contributes to esophageal squamous cell carcinoma progression and glutamine catabolism by targeting microRNA-497-5p/solute carrier family 1 member 5 axis. Anticancer Drugs 2023; 34:195-206. [PMID: 36206112 DOI: 10.1097/cad.0000000000001400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Circular RNAs (circRNAs) have been shown to play important regulatory roles in human malignancies. However, the role of circRNA ArfGAP with FG repeats 1 (circ-AGFG1) in esophageal squamous cell carcinoma (ESCC) progression and its associated mechanism are still largely undefined. Cell proliferation was analyzed by 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay and 5-ethynyl-2'-deoxyuridine assay. Cell apoptosis was assessed by flow cytometry analysis. Transwell assay and wound healing assay were used to analyze cell invasion and migration abilities. The uptake of glutamine and the production of α-ketoglutarate and glutamate were analyzed using Glutamine Determination Kit, α-ketoglutarate Assay Kit and Glutamate Determination Kit. A xenograft tumor model was used to analyze the biological role of circ-AGFG1 in vivo . The interaction between microRNA-497-5p (miR-497-5p) and circ-AGFG1 or solute carrier family 1 member 5 (SLC1A5) was verified by dual-luciferase reporter assay. Circ-AGFG1 expression was upregulated in ESCC tissues and cell lines. Circ-AGFG1 silencing suppressed the proliferation, migration, invasion and glutaminolysis and triggered the apoptosis of ESCC cells. Circ-AGFG1 knockdown significantly slowed down tumor growth in vivo . Circ-AGFG1 acted as a sponge for miR-497-5p, and miR-497-5p interacted with the 3' untranslated region (3'UTR) of SLC1A5. miR-497-5p silencing largely abolished circ-AGFG1 silencing-induced effects in ESCC cells. miR-497-5p overexpression-mediated influences in ESCC cells were largely reversed by the addition of SLC1A5 expressing plasmid. Circ-AGFG1 could upregulate SLC1A5 expression by sponging miR-497-5p. In summary, circ-AGFG1 acted as an oncogene to elevate the malignant potential and promote the glutamine catabolism of ESCC cells by targeting the miR-497-5p/SLC1A5 axis.
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Zhao L, Yu L, Wang X, He J, Zhu X, Zhang R, Yang A. Mechanisms of function and clinical potential of exosomes in esophageal squamous cell carcinoma. Cancer Lett 2023; 553:215993. [PMID: 36328162 DOI: 10.1016/j.canlet.2022.215993] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/05/2022] [Accepted: 10/27/2022] [Indexed: 11/20/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) remains one of the most lethal and widespread malignancies in China. Exosomes, a subset of tiny extracellular vesicles manufactured by all cells and present in all body fluids, contribute to intercellular communication and have become a focus of the search for new therapeutic strategies for cancer. A number of global analyses of exosome-mediated functions and regulatory mechanism in malignant diseases have recently been reported. There is extensive evidence that exosomes can be used as diagnostic and prognostic markers for cancer. However, our understanding of their clinical value and mechanisms of action in ESCC is still limited and has not been systematically reviewed. Here, we review current research specifically focused on the functions and mechanisms of action of ESCC tumor-derived exosomes and non-ESCC-derived exosomes in ESCC progression and describe opportunities and challenges in the clinical translation of exosomes.
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Affiliation(s)
- Lijun Zhao
- Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Lili Yu
- Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Xiangpeng Wang
- Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Jangtao He
- Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Xiaofei Zhu
- Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan, China.
| | - Rui Zhang
- The State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an, Shaanxi, China.
| | - Angang Yang
- Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Key Laboratory of Tumor Microenvironment and Immunotherapy, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan, China; The State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an, Shaanxi, China.
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Zhou Q, Lei C, Cui F, Chen H, Cao X. Circ-ATIC regulates esophageal squamous cell carcinoma growth and metastasis through miR-1294/PBX3 pathway. Heliyon 2023; 9:e12916. [PMID: 36699282 PMCID: PMC9868444 DOI: 10.1016/j.heliyon.2023.e12916] [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: 10/08/2022] [Revised: 01/08/2023] [Accepted: 01/09/2023] [Indexed: 01/12/2023] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is a digestive tract malignancy associated with poor clinical outcome. Growing evidence have elucidated that circular RNAs (circRNAs) play important roles in the pathological process of ESCC. However, the detailed mechanisms how circRNAs modulate the development of ESCC remain largely unknown. Our study aimed to decipher the role and mechanism of circ-ATIC (also termed as circRNA_0058063) in regulating the progression of ESCC. We found that circ-ATIC and its host gene ATIC were significantly increased in ESCC tissues and cells compared with the adjacent noncancerous tissues or normal esophagus epithelial cell. Circ-ATIC knockdown substantially reduced proliferation and the number of invaded ESCC cells and retarded EMT process, reflecting by the decreased N-cadherin and elevated E-cadherin. However, the level of host gene ATIC was not changed under circ-ATIC suppression. It was predicted that circ-ATIC could bind to miR-1294 and serve as a sponge RNA. The luciferase reporter assay and RNA immunoprecipitation (RIP) assay confirmed their relations. MiR-1294 was decreased in ESCC tissues and cells, which was reversely correlated with circ-ATIC level. Furthermore, PBX3 was predicted and proved to be a downstream direct target of miR-1294. PBX3 mRNA and protein were obviously upregulated in ESCC tumor tissues and cells. PBX3 overexpression could reverse the suppressive roles of miR-1294 mimics on ESCC proliferation and invasion. In an xenograft nude mice model, stable transfection of sh-circ-ATIC significantly retarded the growth of tumor and suppressed VEGF and Ki67. Collectively, circ-ATIC promoted ESCC proliferation and invasion by regulating miR-1294/PBX3 axis.
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Affiliation(s)
- Qian Zhou
- Department of Cardiothoracic Surgery, Jingzhou Central Hospital (Jingzhou Hospital Affiliated to Yangtze University), Jingzhou, 434000, Hubei, PR China
| | - Chengang Lei
- Department of Cardiothoracic Surgery, Jingzhou Central Hospital (Jingzhou Hospital Affiliated to Yangtze University), Jingzhou, 434000, Hubei, PR China
| | - Fenghe Cui
- Department of Cardiothoracic Surgery, Jingzhou Central Hospital (Jingzhou Hospital Affiliated to Yangtze University), Jingzhou, 434000, Hubei, PR China
| | - Hao Chen
- Department of Cardiothoracic Surgery, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, 442008, Hubei, PR China
| | - Xianzhao Cao
- Department of Cardiothoracic Surgery, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, 442008, Hubei, PR China,Corresponding author. Department of Cardiothoracic Surgery, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, No. 16 Daling Road, Zhangwan District, Shiyan, 442008, Hubei, PR China.
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Meng F, Zhang X, Wang Y, Lin J, Tang Y, Zhang G, Qiu B, Zeng X, Liu W, He X. Hsa_circ_0021727 (circ-CD44) promotes ESCC progression by targeting miR-23b-5p to activate the TAB1/NFκB pathway. Cell Death Dis 2023; 14:9. [PMID: 36609391 PMCID: PMC9822936 DOI: 10.1038/s41419-022-05541-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 01/09/2023]
Abstract
Esophageal squamous cell carcinoma (ESCC) is characterized by high morbidity and mortality. Circular RNAs (circRNAs) play an important role in tumor progression. We discovered an aberrantly expressed circRNA (hsa_circ_0021727) in patients with ESCC. However, the mechanism of action of hsa_circ_0021727 in tumors is unclear. The present study aimed to investigate the biological role of hsa_circ_0021727 and its mechanism in ESCC progression. We screened for the expression of hsa_circ_0021727 in ESCC patients. Patients with ESCC with high expression of hsa_circ_0021727 had shorter survival than those with low expression. Hsa_circ_0021727 promoted the proliferation, invasion, and migration of ESCC cells. However, miR-23b-5p inhibited this ability of hsa_circ_0021727. MiR-23b-5p acts by targeting TAK1-binding protein 1 (TAB1). Upregulation of TAB1 can activate the nuclear factor kappa B (NFκB) pathway. Hsa_circ_0021727 promoted ESCC progression by activating TAB1/NFκB pathway by sponging miR-23b-5p. In addition, in vivo experiments also confirmed that hsa_circ_0021727 could promote the proliferation, invasion, and migration of ESCC cells. In short, hsa_circ_0021727 promotes ESCC progression by targeting miR-23b-5p to activate the TAB1/NFκB pathway. These findings might provide potential targets to treat ESCC.
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Affiliation(s)
- Fan Meng
- Digestive System Department, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiaokang Zhang
- Jiangxi Provincial Branch of China Clinical Medical Research Center for Geriatric Diseases, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Yanting Wang
- Department of Respiratory and Critical Illness Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Jie Lin
- Department of Respiratory and Critical Illness Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Yulin Tang
- Department of Respiratory and Critical Illness Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Guisheng Zhang
- Digestive System Department, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Binqiang Qiu
- Department of Respiratory and Critical Illness Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xingdu Zeng
- Department of Respiratory and Critical Illness Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Weiyou Liu
- Jiangxi Provincial Branch of China Clinical Medical Research Center for Geriatric Diseases, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Department of Respiratory and Critical Illness Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xin He
- Jiangxi Provincial Branch of China Clinical Medical Research Center for Geriatric Diseases, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China.
- Department of Respiratory and Critical Illness Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China.
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Wang D, Li R, Jiang J, Qian H, Xu W. Exosomal circRNAs: Novel biomarkers and therapeutic targets for gastrointestinal tumors. Biomed Pharmacother 2023; 157:114053. [PMID: 36462315 DOI: 10.1016/j.biopha.2022.114053] [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: 10/13/2022] [Revised: 11/17/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Despite the high prevalence of gastrointestinal tumors, early diagnosis and treatment of these tumors is limited by the lack of effective and specific biomarkers and therapeutic targets. Exosomes carry active molecules to mediate cell-to-cell communication, especially in the tumor microenvironment, and are promising biomarkers and therapeutic targets for cancer. Circular RNAs (circRNAs) are stably enriched in exosomes and show a unique circular structure, high stability, conservation, and tissue specificity. Exosomal circRNAs play important roles in regulating cell proliferation, metastasis, angiogenesis, metabolism, and the immune microenvironment of gastrointestinal tumors and exhibit great potential as tumor biomarkers and anti-tumor targets or tools. This review briefly introduces the characteristics and functions of circRNAs and exosomes, and systematically describes the biological roles and mechanisms of exosomal circRNAs in gastrointestinal tumors. This article also summarizes the detection methodology of exosomal circRNAs and discusses their clinical significance as biomarkers and targets for gastrointestinal tumors.
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Affiliation(s)
- Dongli Wang
- Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Rong Li
- Department of Laboratory Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, Jiangsu 210008, China
| | - Jiajia Jiang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Suzhou, Jiangsu 215600, China
| | - Hui Qian
- Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wenrong Xu
- Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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Lin Y, Ye Y, Huang Q, Zheng B, Yang Y, Chen Y, Li W, Ke H, Lin C, Zhang Y, Wang L, Chen J, Xu Y. Influence of age as a continuous variable on survival outcomes and treatment options in patients with upper thoracic esophageal carcinoma. J Cancer 2023; 14:1039-1048. [PMID: 37151386 PMCID: PMC10158516 DOI: 10.7150/jca.83490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 03/30/2023] [Indexed: 05/09/2023] Open
Abstract
Background: This retrospective review of patients with upper thoracic esophageal squamous cell carcinoma (ESCC) analyzed the prognostic value of age, as a continuous variable, and offered insight into treatment options. Methods: 568 upper ESCC patients underwent radical therapy between 2004 and 2016. Age as a continuous variable was entered into the Cox regression model with penalized spline (P-spline) analysis to investigate a correlation between age and survival outcomes. Results: Before adjustment, P-spline regression revealed U-shaped survival curves. Sixty years was the optimal cut-off age for differences in overall and progression-free survival (OS, PFS). The cohort was divided into age groups ≤ 50, 51-69, and ≥ 70 years. Multivariate analyses showed no significant differences in either PFS or OS for patients aged ≤ 50 and 51-69 years. After adjusting for covariates, P-spline regression showed that the risk of mortality and disease progression increased with age, and ≥ 70 years was an unfavorable independent prognostic factor. For age ≥ 70 years, the OS and PFS associated with non-surgery was comparable to that of surgery. For patients younger, the OS and PFS of patients given surgery was significantly better than that of patients given non-surgery. Conclusion: Age was an independent prognostic factor for upper ESCC. Patients ≥ 70 years achieved no significant survival benefit from surgery, but for those younger than 70 years surgery was the preferred treatment option.
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Affiliation(s)
- Yu Lin
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Yuling Ye
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Qiuyuan Huang
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Binglin Zheng
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Yong Yang
- Department of Radiation Oncology, Fujian Medical University Union Hospital, Fuzhou 350001, China
| | - Yuanmei Chen
- Department of Thoracic Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hosptial, Fuzhou 350014, China
- ✉ Corresponding authors: Yuanmei Chen, Department of Thoracic Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel: (86)13950288305; FAX: (86)591-83928767; ; Junqiang Chen, Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel.: (86)13705036281; FAX: (86)591-83928767; ; Yuanji Xu, Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel: (86)18559338276; FAX: (86)591-83928767;
| | - Weiguang Li
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Hongqian Ke
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Chuyan Lin
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Yiping Zhang
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Liyan Wang
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
| | - Junqiang Chen
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
- ✉ Corresponding authors: Yuanmei Chen, Department of Thoracic Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel: (86)13950288305; FAX: (86)591-83928767; ; Junqiang Chen, Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel.: (86)13705036281; FAX: (86)591-83928767; ; Yuanji Xu, Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel: (86)18559338276; FAX: (86)591-83928767;
| | - Yuanji Xu
- Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China
- ✉ Corresponding authors: Yuanmei Chen, Department of Thoracic Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel: (86)13950288305; FAX: (86)591-83928767; ; Junqiang Chen, Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel.: (86)13705036281; FAX: (86)591-83928767; ; Yuanji Xu, Department of Radiation Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, No. 420, Fuma Road, Fuzhou, 350014, China. Tel: (86)18559338276; FAX: (86)591-83928767;
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circPOLR1C Promotes the Development of Esophageal Cancer by Adsorbing miR-361-3p and Regulating Cancer Cell Apoptosis and Metastasis. JOURNAL OF ONCOLOGY 2022; 2022:9124142. [PMID: 36590309 PMCID: PMC9803566 DOI: 10.1155/2022/9124142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 11/22/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022]
Abstract
Background The effect of circular RNA-RNA polymerase I and III subunit C (circPOLR1C) on esophageal cancer (EC) has not been reported. Herein, this study is designed to unveil the effect and the regulatory mechanism of circPOLR1C on EC. Methods The expression of circPOLR1C in EC tissues and cells was detected by qRT-PCR. Circular structure, stability, and cell localization of circPOLR1C were confirmed by qRT-PCR, RNase R, actinomycin D, and fluorescence in situ hybridization (FISH) assay. Cell function experiments, nude mouse xenograft, lung transplant model, and HE staining were performed to evaluate the effects of CircPOLR1C on EC in vitro and in vivo. A regulatory relationship between miR-361-3p and circPOLR1C was confirmed by qRT-PCR, circRNA in vivo precipitation, RIP, FISH, CircInteractome database, dual-luciferase reporter assay, and immunohistochemistry. Rescue experiments were applied to assess the effects of miR-361-3p and circPOLR1C on EC cells and tissues. Apoptosis- and epithelial-mesenchymal transformation (EMT)-related gene expressions were quantified by qRT-PCR and Western blot. Results Highly expressed circPOLR1C in EC was related to tumor differentiation and invasion. circPOLR1C, which mainly exists in the cytoplasm, is a stable circular RNA. circPOLR1C silencing inhibited circPOLR1C expression and EC cell malignant function, while circPOLR1C overexpression promoted the growth of transplanted tumors and lung metastasis. The enrichment of miR-361-3p was higher than that of other targeted miRNAs. circPOLR1C adsorbed miR-361-3p to regulate apoptosis- and EMT-related genes and partially reversed the tumor suppressive effect of miR-361-3p, which was lowly expressed in EC tissues. Silencing the target genes of miR-361-3p also inhibited the malignant development of EC cells. Conclusion circPOLR1C adsorbs miR-361-3p and regulates apoptosis- and EMT-related gene expressions to promote the development of EC.
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Gu L, Sang Y, Nan X, Zheng Y, Liu F, Meng L, Sang M, Shan B. circCYP24A1 facilitates esophageal squamous cell carcinoma progression through binding PKM2 to regulate NF-κB-induced CCL5 secretion. Mol Cancer 2022; 21:217. [PMID: 36514094 PMCID: PMC9746112 DOI: 10.1186/s12943-022-01686-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/25/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a common gastrointestinal malignant tumor, while the molecular mechanisms have not been fully elucidated. Multiple circular RNAs have been reported to involve in the onset and progression of malignant tumors through various molecular mechanisms. However, the clinical significance and functional mechanism of most circRNAs involved in the progression of ESCC remains obscure. METHODS RNA-Seq was used to explore potential circRNAs in participated in 5 pairs of ESCC and their corresponding normal esophageal tissues. The up-regulated circCYP24A1 was selected. Fluorescence in situ hybridization was cunducted to verificated the expression and intracellular localization of circCYP24A1 by using the tissue microarray. The Kaplan-Meier method and Cox proportional hazards model was used to examine the potential prognostic value of circCYP24A1 on overall survival of ESCC patients. The biological function were confirmed by gain- and loss-of-function approaches in vivo. mRNA expression profile microarray was proformed to investigate the downstream signaling pathways involved in circCYP24A1. RNA pull-down assay and mass spectrometry were performed to identify the proteins associated with circCYP24A1. Rescue experiments were carried out to identified hypothetical regulatory role of circCYP24A1 on ESCC progression in vivo and in virto. RESULTS In this study, we identified circCYP24A1 in ESCC tissues by RNA sequencing, which is up-regulated in 114 cases of ESCC tissues and acts as a novel prognosis-related factor. Moreover, circCYP24A1 promoted the ability of proliferation, migration, invasion and clone formation in vitro, as well as tumor growth in vivo. Mechanistically, chemokine (C-Cmotif) ligand 5 (CCL5) is functional downstream mediator for circCYP24A1, which is screened by mRNA microarray. Moreover, circCYP24A1 physically interacts with M2 isoform of pyruvate kinase (PKM2). Rescue experiments showed that PKM2 knockdown partly reverses the promotional effects of circCYP24A1. It was revealed that circCYP24A1 increases secretion of CCL5 through the mechanism mainly by interacting with PKM2, an activator of NF-κB pathway, and thereby accelerate malignant progression of ESCC. CONCLUSIONS Up-regulated circCYP24A1 could activate NF-κB pathway by binding PKM2, which promotes the secretion of CCL5 and accelerate malignant progression of ESCC. Our fndings recommended a novel function for circCYP24A1 as a potential effective biomarker for judging prognosis and a therapeutic target in ESCC.
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Affiliation(s)
- Lina Gu
- grid.452582.cResearch Center, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China
| | - Yang Sang
- grid.452582.cAnimal Center, the Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei People’s Republic of China
| | - Xixi Nan
- grid.452582.cResearch Center, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China
| | - Yang Zheng
- grid.452582.cTumor Research Institute, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China
| | - Fei Liu
- grid.452582.cResearch Center, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China
| | - Lingjiao Meng
- grid.452582.cTumor Research Institute, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China
| | - Meixiang Sang
- grid.452582.cResearch Center, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China ,grid.452582.cTumor Research Institute, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China
| | - Baoen Shan
- grid.452582.cResearch Center, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China ,grid.452582.cTumor Research Institute, the Fourth Hospital of Hebei Medical University, 050017 Shijiazhuang, Hebei People’s Republic of China
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Hsa_circ_0005050 interacts with ILF3 and affects cell apoptosis and proliferation by disrupting the balance between p53 and p65. Chem Biol Interact 2022; 368:110208. [DOI: 10.1016/j.cbi.2022.110208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/15/2022] [Accepted: 10/03/2022] [Indexed: 11/19/2022]
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Wei Z, Xie Y, Wei M, Zhao H, Ren K, Feng Q, Xu Y. New insights in ferroptosis: Potential therapeutic targets for the treatment of ischemic stroke. Front Pharmacol 2022; 13:1020918. [PMID: 36425577 PMCID: PMC9679292 DOI: 10.3389/fphar.2022.1020918] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 10/26/2022] [Indexed: 10/22/2023] Open
Abstract
Stroke is a common disease in clinical practice, which seriously endangers people's physical and mental health. The neurovascular unit (NVU) plays a key role in the occurrence and development of ischemic stroke. Different from other classical types of cell death such as apoptosis, necrosis, autophagy, and pyroptosis, ferroptosis is an iron-dependent lipid peroxidation-driven new form of cell death. Interestingly, the function of NVU and stroke development can be regulated by activating or inhibiting ferroptosis. This review systematically describes the NVU in ischemic stroke, provides a comprehensive overview of the regulatory mechanisms and key regulators of ferroptosis, and uncovers the role of ferroptosis in the NVU and the progression of ischemic stroke. We further discuss the latest progress in the intervention of ferroptosis as a therapeutic target for ischemic stroke and summarize the research progress and regulatory mechanism of ferroptosis inhibitors on stroke. In conclusion, ferroptosis, as a new form of cell death, plays a key role in ischemic stroke and is expected to become a new therapeutic target for this disease.
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Affiliation(s)
- Ziqing Wei
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Cerebrovascular Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Clinical Systems Biology Laboratories, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yi Xie
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Cerebrovascular Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mingze Wei
- The Second Clinical Medical College, Harbin Medical University, Harbin, China
| | - Huijuan Zhao
- Henan International Joint Laboratory of Thrombosis and Hemostasis, Basic Medical College, Henan University of Science and Technology, Luoyang, China
| | - Kaidi Ren
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, China
- Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Qi Feng
- Research Institute of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Integrated Traditional and Western Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Province Research Center for Kidney Disease, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yuming Xu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Cerebrovascular Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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circRanGAP1/miR-27b-3p/NRAS Axis may promote the progression of hepatocellular Carcinoma. Exp Hematol Oncol 2022; 11:92. [PMID: 36348379 PMCID: PMC9644583 DOI: 10.1186/s40164-022-00342-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/17/2022] [Indexed: 11/09/2022] Open
Abstract
Background Though circular RNAs (circRNAs) are the key regulators in tumor carcinogenesis, they remain largely unexplored in hepatocellular carcinoma (HCC). Methods The expression of RanGAP1-derived circRNAs (circ_0063531, circ_0063534, circ_0063513, circ_0063518, circ_0063507, circ_0063723) were evaluated in eight paired HCC and normal tissues, and the correlation between circRanGAP1 (circ_0063531) expression and clinicopathological characteristics in 40 HCC patients was determined. The association between miR-27b-3p and circRanGAP1 or NRAS was predicted using bioinformatics analysis. The expression of circRanGAP1, miR-27b-3p, and NRAS were detected by quantitative real-time polymerase chain reaction (qRT-PCR). The potential oncogenic role of circ-RanGAP1 was assessed using CCK-8, colony formation, transwell assays in vitro, subcutaneous tumor mouse model, vein tail metastatic model, and orthotopically implanted intrahepatic HCC model in vivo. Luciferase reporter and RNA immunoprecipitation (RIP) assays were used to explore the binding site between miR-27b-3p and circ-RanGAP1 or NRAS. Protein expression was detected using western blotting. The localization of miR-27b-3p and circ-RanGAP1 was investigated using fluorescence in situ hybridization (FISH). The level of immune infiltration was assessed by bioinformatics analysis, flow cytometry, and orthotopically implanted intrahepatic HCC models. Results Here, we found elevated circRanGAP1 in the cells and clinical tissues of patients with HCC. Increased circRanGAP1 levels are associated with enlarged tumors and the advanced stage of TNM. CircRanGAP1 promotes the growth, migration, and HCC cell invasion, concurrently with the growth and metastasis of tumors in-vivo. Moreover, circRanGAP1 is mainly located inside the cytoplasm. Mechanistically, circRanGAP1 as an oncogene promotes HCC progression by miR-27b-3p/NRAS/ERK axis, furthermore, affects the infiltration level of tumor-associated macrophages probably by sponging miR-27b-3p. Immune infiltration analysis shows that NRAS is positively correlated with the levels of CD68+ tumor-associated macrophages in HCC samples and that NRAS and CD68 are related to the poor outcome of HCC. Conclusion These results reveal that circRanGAP1 is a HCC oncogene that function by the miR-27b-3p/NRAS/ERK axis and regulates the infiltration levels of tumor-associated macrophages by sponging miR-27b-3p. Therefore, circRANGAP1/ NRAS axis may be an important potential treatment target against HCC. Supplementary Information The online version contains supplementary material available at 10.1186/s40164-022-00342-6.
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Yu W, Liu R, Miao Z, Zhang L, Sheyhidin I, Ainiwaer J. The diagnostic significance of blood-derived circRNAs in NSCLC: Systematic review and meta-analysis. Front Oncol 2022; 12:987704. [PMID: 36353543 PMCID: PMC9638072 DOI: 10.3389/fonc.2022.987704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 10/03/2022] [Indexed: 12/24/2022] Open
Abstract
Background Using blood-derived circular RNAs (circRNAs) may be an efficient tool for noninvasive fluid biopsy in diagnosing non-small cell lung cancer (NSCLC). However, no relevant systemic meta-analysis has been conducted so far to support the diagnostic value of using blood-derived circRNAs in NSCLC clinically. The aim of this study is to clarify the issue through a meta-analysis. Methods A systematic search strategy was used to search relevant literature in the databases of PubMed, Web of Science, and Cochrane Library from 2017 to 2022. The relationship between the diagnostic accuracy of circRNAs and NSCLC was analyzed. For the purpose of evaluating the quality of the literature, Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) was used. Statistical analyses were assessed using Stata software (version 17.0) and META-DISC (version 1.4). Results The meta-analysis included 1,093 patients with NSCLC and 959 controls. Results are as follows: pooled sensitivity, 0.78 (95% CI = 0.71–0.83, I2 = 71.86); pooled specificity, 0.76 (95% CI = 0.70–0.82, I2 = 70.12); pooled positive likelihood ratio (PLR), 3.3 (95% CI = 2.6–4.2, I2 = 37.56); pooled negative likelihood ratio (NLR), 0.29 (95% CI = 0.23–0.37, I2 = 64.67); diagnostic odds ratio (DOR), 11.42 (95% CI = 7.88–16.56, I2 = 99.05); area under the receiver operating characteristic curve (AUC), 0.84 (95% CI = 0.80–0.87). Based on the subgroup analysis, it appears that the heterogeneity is primarily caused by the NSCLC subgroup. Conclusion circRNAs are highly useful diagnostic biomarkers for NSCLC in China. Further prospective studies on the diagnostic value of circRNAs should be conducted in multiple countries. Systematic review registration https://www.crd.york.ac.uk/prospero/, identifier CRD42022323804.
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Affiliation(s)
- Weijie Yu
- Department of Cardio-Thoracic Surgery, The Fourth Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
| | - Ruixue Liu
- Department of Thoracic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
| | - Zhoulin Miao
- Radiology Department, Qingdao Municipal Hospital, Qingdao, Shandong, China
| | - Liwei Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
| | - Ilyar Sheyhidin
- Department of Thoracic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
| | - Julaiti Ainiwaer
- Department of Thoracic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
- *Correspondence: Julaiti Ainiwaer,
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