1
|
Mafi A, Hedayati N, Kahkesh S, Khoshayand S, Alimohammadi M, Farahani N, Hushmandi K. The landscape of circRNAs in gliomas temozolomide resistance: Insights into molecular pathways. Noncoding RNA Res 2024; 9:1178-1189. [PMID: 39022676 PMCID: PMC11250881 DOI: 10.1016/j.ncrna.2024.05.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 05/01/2024] [Accepted: 05/20/2024] [Indexed: 07/20/2024] Open
Abstract
As the deadliest type of primary brain tumor, gliomas represent a significant worldwide health concern. Circular RNA (circRNA), a unique non-coding RNA molecule, seems to be one of the most alluring target molecules involved in the pathophysiology of many kinds of cancers. CircRNAs have been identified as prospective targets and biomarkers for the diagnosis and treatment of numerous disorders, particularly malignancies. Recent research has established a clinical link between temozolomide (TMZ) resistance and certain circRNA dysregulations in glioma tumors. CircRNAs may play a therapeutic role in controlling or overcoming TMZ resistance in gliomas and may provide guidance for a novel kind of individualized glioma therapy. To address the biological characteristics of circRNAs and their potential to induce resistance to TMZ, this review has highlighted and summarized the possible roles that circRNAs may play in molecular pathways of drug resistance, including the Ras/Raf/ERK PI3K/Akt signaling pathway and metabolic processes in gliomas.
Collapse
Affiliation(s)
- Alireza Mafi
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Neda Hedayati
- School of Medicine, Iran University of Medical Science, Tehran, Iran
| | - Samaneh Kahkesh
- Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Sara Khoshayand
- School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mina Alimohammadi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Najma Farahani
- Department of Genetics and Molecular Biology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| |
Collapse
|
2
|
Cheng Y, Zhang H, Guan B, Zhang Y, Qin C, Li D, Zhang J, Zhang B, Lin Y, Li F. CircCDR1as orchestrates the advancement of asthma triggered by PM 2.5 through the modulation of ferroptosis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 950:175328. [PMID: 39117210 DOI: 10.1016/j.scitotenv.2024.175328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 07/27/2024] [Accepted: 08/04/2024] [Indexed: 08/10/2024]
Abstract
Exposure to fine particulate matter (PM2.5) in the ambient environment augments susceptibility to respiratory ailments. Circular RNAs, a distinctive subclass of endogenous non-coding RNAs, have been acknowledged as pivotal regulators of pathological conditions. Ferroptosis, an innovative iron-dependent form of cellular demise, has emerged as a consequential participant in numerous maladies. Despite the established association between PM2.5 exposure and the exacerbation of asthma, scant investigations have probed into the implication of circRNAs and ferroptosis in PM2.5-induced asthma. Consequently, this inquiry sought to scrutinize the potential involvement of circCDR1as and ferroptosis in PM2.5-induced asthma. Through the formulation of a PM2.5 exposure model in asthmatic mice and an in vitro cellular model, it was discerned that PM2.5 induced ferroptosis, thereby intensifying asthma progression. Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) revealed an upregulation of circCDR1as in the PM2.5-stimulated asthma cell model. Molecular biology assays demonstrated that diminished circCDR1as expression hindered the onset of ferroptosis in response to PM2.5 exposure. Notably, Ferrostatin-1 (Fer-1), an inhibitor of ferroptosis, manifested the ability to impede the advancement of asthma. Mechanistically, RNA pull-down and molecular biology experiments substantiated that circCDR1as selectively bound to insulin-like growth factor 2 mRNA binding protein 2 (IGF2BP2), thereby modulating the occurrence of ferroptosis. CircCDR1as emerged as a potential orchestrator of asthma progression by regulating ferroptosis under PM2.5 exposure. Additionally, PM2.5 exposure elicited activation of the Wnt/β-catenin signaling pathway, subsequently influencing the expression of C-myc and Cyclin D1, ultimately exacerbating asthma development. In summation, the interaction between circCDR1as and IGF2BP2 in regulating ferroptosis was identified as a critical facet in the progression of asthma under PM2.5 exposure. This investigation underscores the pivotal roles of circCDR1as and ferroptosis in PM2.5-induced asthma, offering a novel theoretical foundation for the therapeutic and preventive approaches to asthma.
Collapse
Affiliation(s)
- Yu Cheng
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Haimin Zhang
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Boyu Guan
- Department of Laboratory Medicine, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, China
| | - Yong Zhang
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Chuhao Qin
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Dongsheng Li
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Jiahui Zhang
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Boyu Zhang
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Yingwei Lin
- Department of Laboratory Medicine, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, China.
| | - Fasheng Li
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China.
| |
Collapse
|
3
|
Ju L, Luo Y, Shan J, Lu R, Chen L, Shao J, Bian Z, Yao M. CircGNAO1 suppresses hepatocellular carcinoma progression and metastasis via sponging miR-182-5p and regulating FOXO1 expression. Int Immunopharmacol 2024; 140:112873. [PMID: 39098231 DOI: 10.1016/j.intimp.2024.112873] [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: 05/10/2024] [Revised: 08/01/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024]
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is an aggressive malignant tumor with poor prognosis. Using high-throughput sequencing, we identified a novel circRNA, circGNAO1, which is downregulated in HCC tissues compared to adjacent tissues. However, the potential functions and mechanisms of circGNAO1 in HCC metastasis remain unclear. METHODS qRT-PCR was used to detect the expression of circGNAO1, miR-182-5p, and FOXO1 in HCC cells and tissues. Bioinformatics analysis, RNA pull-down assyas, and dual-luciferase reporter assays were employed to verify the interaction between circGNAO1 and miR-182-5p. Functional experiments were conducted using circGNAO1 overexpression and knockdown cell lines, including Transwell, wound healing, and EdU assays. Liver metastasis models and subcutaneous xenograft mouse models were established to analyze the effect of circGNAO1 on HCC metastasis and growth in vivo. RESULTS High-throughput sequencing and qRT-PCR results showed that the expression of circGNAO1 dramatically decreased in HCC tissues. Functionally, in vivo and in vitro experiments verified that overexpression of circGNAO1 inhibited the proliferation, migration, invasion and EMT of HCC cells, while knockdown of circGNAO1 promoted these behaviors. Mechanistically, we have demonstrated that circGNAO1 functions as a sponge for miR-182-5p to regulate FOXO1 expression, thereby activating the TGF-β/Smad3 signaling pathway and EMT process. CONCLUSIONS circGNAO1 suppresses the progression and metastasis of HCC through the miR-182-5p/FOXO1 axis, and circGNAO1 may be an efficient therapeutic target in HCC.
Collapse
Affiliation(s)
- Linling Ju
- Medical School of Nantong University, Nantong Third People's Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, Jiangsu, China
| | - Yunfeng Luo
- Medical School of Nantong University, Nantong Third People's Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, Jiangsu, China
| | - Jiajia Shan
- Nantong Haimen People's Hospital, Nantong, Jiangsu, China
| | - Rujian Lu
- Medical School of Nantong University, Nantong Third People's Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, Jiangsu, China
| | - Lin Chen
- Medical School of Nantong University, Nantong Third People's Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, Jiangsu, China
| | - Jianguo Shao
- Medical School of Nantong University, Nantong Third People's Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, Jiangsu, China.
| | - Zhaolian Bian
- Medical School of Nantong University, Nantong Third People's Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, Jiangsu, China.
| | - Min Yao
- Medical School of Nantong University, Nantong Third People's Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, Jiangsu, China.
| |
Collapse
|
4
|
Wang X, Yang M, Zhu J, Zhou Y, Li G. Role of exosomal non‑coding RNAs in ovarian cancer (Review). Int J Mol Med 2024; 54:87. [PMID: 39129308 DOI: 10.3892/ijmm.2024.5411] [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: 04/27/2024] [Accepted: 07/15/2024] [Indexed: 08/13/2024] Open
Abstract
Ovarian cancer (OC) is a common gynecological disease with a high mortality rate worldwide due to its insidious nature and undetectability at an early stage. The standard treatment, combining platinum‑based chemotherapy with cytoreductive surgery, has suboptimal results. Therefore, early diagnosis of OC is crucial. All cell types secrete extracellular vesicles, particularly exosomes. Exosomes, which contain lipids, proteins, DNA and non‑coding RNAs (ncRNAs), are novel methods of intercellular communication that participate in tumor development and progression. ncRNAs are categorized by size into long ncRNAs (lncRNAs) and small ncRNAs (sncRNAs). sncRNAs further include transfer RNAs, small nucleolar RNAs, PIWI‑interacting RNAs and microRNAs (miRNAs). miRNAs inhibit protein translation and promote messenger RNA (mRNA) cleavage to suppress gene expression. By sponging downstream miRNAs, lncRNAs and circular RNAs can regulate target gene expression, thereby weakening the interactions between miRNAs and mRNAs. Exosomes and exosomal ncRNAs, commonly present in human biological fluids, are promising biomarkers for OC. The present article aimed to review the potential role of exosomal ncRNAs in the diagnosis and prognosis of OC by summarizing the characteristics, processes, roles and isolation methods of exosomes and exosomal ncRNAs.
Collapse
Affiliation(s)
- Xinchen Wang
- Department of Obstetrics and Gynecology, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310000, P.R. China
| | - Miao Yang
- Department of Life Sciences and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, P.R. China
| | - Jiamei Zhu
- Department of Obstetrics and Gynecology, Jingjiang People's Hospital, Taizhou, Jiangsu 214500, P.R. China
| | - Yu Zhou
- Oriental Fortune Capital Post‑Doctoral Innovation Center, Shenzhen, Guangdong 518040, P.R. China
| | - Gencui Li
- Department of Obstetrics and Gynecology, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310000, P.R. China
| |
Collapse
|
5
|
Fan Y, Pavani KC, Broeckx BJG, Smits K, Van Soom A, Peelman L. Circular RNAs from bovine blastocysts can interact with miRNAs/tsRNAs from embryonic extracellular vesicles and regulate hatching. Int J Biol Macromol 2024; 277:134018. [PMID: 39032885 DOI: 10.1016/j.ijbiomac.2024.134018] [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: 03/14/2024] [Revised: 07/05/2024] [Accepted: 07/17/2024] [Indexed: 07/23/2024]
Abstract
Circular RNAs (circRNAs) are endogenous biological macromolecules that regulate various biological processes including embryo development. However, little is known about which circRNAs are present in bovine preimplantation embryos and their respective roles. Here, we characterized the expression profile of circRNAs in bovine blastocysts for the first time. We detected 25,700 circRNAs in total, with 12,630 circRNAs uniquely expressed in blastocysts compared to degenerated embryos. CircRNA alternative splicing (AS) events were also found more frequently in blastocysts than in degenerated embryos (299 vs 258). Additionally, 410 circRNAs, among which 11 circRNAs with a high potential to encode polypeptides, were found differentially expressed between blastocysts and degenerated embryos. We further predicted and constructed a circRNA-miRNA-mRNA network, wherein differentially expressed circRNAs were shown to bind to bovine preimplantation embryo development-related miRNAs. Employing bioinformatic algorithms we found that differentially expressed circRNAs are associated with differentially expressed miRNAs and transfer RNA-derived small RNAs (tsRNAs) enclosed in embryonic extracellular vesicles (EVs). Furthermore, functional analysis revealed that knockdown of the evolutionarily conserved circAGO2 can inhibit blastocyst hatching. Overall, our study provides the first landscape of circRNAs in bovine preimplantation embryos and highlights the novel role of circRNAs as tsRNA binding partners influencing small RNA sorting and loading into EVs, with circAGO2 playing a regulatory role in bovine blastocyst hatching.
Collapse
Affiliation(s)
- Yuan Fan
- Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, 9820 Merelbeke, Belgium
| | - Krishna Chaitanya Pavani
- Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium; Department for Reproductive Medicine, Ghent University Hospital, Corneel Heymanslaan 10, 9000 Ghent, Belgium
| | - Bart J G Broeckx
- Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, 9820 Merelbeke, Belgium
| | - Katrien Smits
- Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Ann Van Soom
- Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Luc Peelman
- Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, 9820 Merelbeke, Belgium.
| |
Collapse
|
6
|
Guo L, Wang M, Zhao W, Guo M, Qian T, Peng F, Cao G, Yu S, Liu D. CircATXN7 regulates the proliferation and invasion of esophageal cancer cells through miR-4319/NLRC5. Cell Signal 2024; 122:111341. [PMID: 39121974 DOI: 10.1016/j.cellsig.2024.111341] [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: 03/12/2024] [Revised: 07/26/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024]
Abstract
BACKGROUND This study aimed to explore the molecular mechanism through which circular RNA of ataxin 7 (circATXN7) regulates the proliferation and invasion of esophageal cancer (EC) cells via microRNA (miR)-4319/NLR family CARD domain containing 5 (NLRC5). METHODS The localization of circATXN7 in EC cells was determined by RNA fluorescent in situ hybridization (RNA-FISH). The mRNA levels of circATXN7, miR-4319, and NLRC5 were quantified by reverse transcription-polymerase chain reactions. The binding activity of circATXN7 to miR-4319 was assessed using RNA-binding protein immunoprecipitation. Whether circATXN7 regulates the proliferation of EC cells via miR-4319 was explored using dual-luciferase reporter gene colony formation assays. Protein levels were quantified by western blot. The effect of NLRC5 on the proliferation and invasion of EC cells was examined using colony formation and Transwell assays. A subcutaneous transplanted tumor nude mouse model was established to observe the effect of circATXN7 on the proliferation of EC cells in vivo. RESULTS circATXN7 localized mainly to the cytoplasm. Overexpression or inhibition of miR-4319 significantly regulated the proliferation of EC cells, while circATXN7 competitively inhibited miR-4319 expression. Overexpression of miR-4319 significantly inhibited NLRC5 expression, indicating NLRC5 is a downstream regulatory target of miR-4319. circATXN7 influenced NLRC5 expression via miR-4319. In vivo tumor formation experiments in nude mice revealed that knocking down circATXN7 regulated NLRC5 expression via miR-4319 and significantly inhibited the proliferation of EC cells. CONCLUSIONS In vitro cell and in vivo animal experiments showed that circATXN7 regulates the proliferation, invasion, and migration of EC cells through the miR-4319/NLRC5 signaling pathway.
Collapse
Affiliation(s)
- Luni Guo
- Department of Oncology, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, China
| | - Min Wang
- Department of the Pain Rehabilitation Clinic, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research &The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Wenhui Zhao
- Department of Oncology, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, China
| | - Mengya Guo
- Department of Oncology, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, China
| | - Ting Qian
- Department of Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Fanyu Peng
- Department of Radiotherapy, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Guochun Cao
- Department of Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Shaorong Yu
- Department of Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Delin Liu
- Department of Oncology, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, China.
| |
Collapse
|
7
|
Poliseno L, Lanza M, Pandolfi PP. Coding, or non-coding, that is the question. Cell Res 2024; 34:609-629. [PMID: 39054345 PMCID: PMC11369213 DOI: 10.1038/s41422-024-00975-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 04/30/2024] [Indexed: 07/27/2024] Open
Abstract
The advent of high-throughput sequencing uncovered that our genome is pervasively transcribed into RNAs that are seemingly not translated into proteins. It was also found that non-coding RNA transcripts outnumber canonical protein-coding genes. This mindboggling discovery prompted a surge in non-coding RNA research that started unraveling the functional relevance of these new genetic units, shaking the classic definition of "gene". While the non-coding RNA revolution was still taking place, polysome/ribosome profiling and mass spectrometry analyses revealed that peptides can be translated from non-canonical open reading frames. Therefore, it is becoming evident that the coding vs non-coding dichotomy is way blurrier than anticipated. In this review, we focus on several examples in which the binary classification of coding vs non-coding genes is outdated, since the same bifunctional gene expresses both coding and non-coding products. We discuss the implications of this intricate usage of transcripts in terms of molecular mechanisms of gene expression and biological outputs, which are often concordant, but can also surprisingly be discordant. Finally, we discuss the methodological caveats that are associated with the study of bifunctional genes, and we highlight the opportunities and challenges of therapeutic exploitation of this intricacy towards the development of anticancer therapies.
Collapse
Affiliation(s)
- Laura Poliseno
- Oncogenomics Unit, Core Research Laboratory, ISPRO, Pisa, Italy.
- Institute of Clinical Physiology, CNR, Pisa, Italy.
| | - Martina Lanza
- Oncogenomics Unit, Core Research Laboratory, ISPRO, Pisa, Italy
- Institute of Clinical Physiology, CNR, Pisa, Italy
- University of Siena, Siena, Italy
| | - Pier Paolo Pandolfi
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Torino, Italy.
- Renown Institute for Cancer, Nevada System of Higher Education, Reno, NV, USA.
| |
Collapse
|
8
|
Cheng C, Zhang Z, Wang J, Wang C, Liu T, Yang C, Wang G, Huang H, Li Y. CircPGM5 regulates Foxo3a phosphorylation via MiR-21-5p/MAPK10 axis to inhibit bladder cancer progression. Cell Signal 2024; 121:111297. [PMID: 39004326 DOI: 10.1016/j.cellsig.2024.111297] [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: 01/28/2024] [Revised: 06/08/2024] [Accepted: 07/11/2024] [Indexed: 07/16/2024]
Abstract
Bladder cancer (BC) is one of the most prevalent malignant tumors worldwide, and the incidence is especially higher in males. Extensive evidence has demonstrated the pivotal role of circular RNAs (circRNAs) in BC progression. However, the exact regulatory mechanism of circRNAs in BC remains incompletely elucidated and warrants further exploration. This study screened a novel circRNA-circPGM5 from thousands of circRNAs by high-throughput sequencing. We found that circPGM5, originating from the PGM5 gene, was significantly lower expressed in BC tissues. Quantitative real-time PCR (qRT-PCR) verified that circPGM5 showed relatively low expression in 50 pairs of BC tissues and EJ and T24 cells. Notably, circPGM5 expression was correlated with stage, grade, and lymphatic metastasis of BC. Through RNA-FISH assay, we confirmed that circPGM5 predominantly localized in the cytoplasm. Functionally, overexpression of circPGM5 inhibited the proliferation, migration, and invasion of BC cells in vitro. Remarkably, circPGM5 demonstrated markedly significant tumor growth and metastasis suppression in vivo. Mechanistically, we discovered that circPGM5 upregulated the mitogen-activated protein kinase 10 (MAPK10) expression by influencing the oncogenic miR-21-5p activity through miR-21-5p absorption. This modulation of MAPK10 impacted the phosphorylation of the tumor suppressor Foxo3a in BC. In conclusion, our findings uncovered the tumor-suppressing role of circPGM5 in BC via the miR-21-5p/MAPK10/Foxo3a axis.
Collapse
Affiliation(s)
- Chao Cheng
- Department of Urology, The Fifth Affiliated Hospital Sun Yat-sen University, Zhuhai, 519000, Guangdong, PR China; Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China; Department of Urology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, Jiangsu 215008, PR China
| | - Ze Zhang
- Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Jiawei Wang
- Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Chong Wang
- Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Tiantian Liu
- Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Chenglin Yang
- Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Guowei Wang
- Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Houbao Huang
- Department of Urology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Yawei Li
- Department of Urology, The Fifth Affiliated Hospital Sun Yat-sen University, Zhuhai, 519000, Guangdong, PR China.
| |
Collapse
|
9
|
Chang S, Ren D, Zhang L, Liu S, Yang W, Cheng H, Zhang X, Hong E, Geng D, Wang Y, Chen C, Zhang J, Shi T, Guo Y, Ni X, Wang H, Jin Y. Therapeutic SHPRH-146aa encoded by circ-SHPRH dynamically upregulates P21 to inhibit CDKs in neuroblastoma. Cancer Lett 2024; 598:217120. [PMID: 39002691 DOI: 10.1016/j.canlet.2024.217120] [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: 03/21/2024] [Revised: 07/03/2024] [Accepted: 07/10/2024] [Indexed: 07/15/2024]
Abstract
Recent research has underscored the significance of circular RNAs (circRNAs) in various cancers, including neuroblastoma (NB). Specifically, circ-SHPRH, a unique circRNA, has been revealed to inhibit tumor growth by sequestering miRNAs or producing the SHPRH-146aa protein. To explore circ-SHPRH's involvement in NB and its potential application in gene therapy, this study examined circ-SHPRH expression in 94 NB tissues and cell lines (SK-N-BE(2), SH-SY5Y) using real-time PCR and fluorescence in situ hybridization (FISH). Functional assays encompassing both overexpression and knockdown experiments in NB cell lines, as well as in vivo investigations, were conducted. RNA-seq analysis revealed a correlation between circ-SHPRH and the pathway of P21 (CDKN1A), a pivotal cell cycle regulator. Validation through PCR and other techniques confirmed that circ-SHPRH upregulated P21 expression. Furthermore, the regulatory role of circ-SHPRH in the P21-CDK pathway was corroborated through SHPRH-146aa expression analysis. Notably, adenovirus-mediated circ-SHPRH overexpression effectively curbed NB tumor growth in NSG mice, while combining circ-SHPRH with everolimus exhibited potential for NB treatment. This study elucidates the remarkable significance of circ-SHPRH in NB and its prospective utility in gene therapy, thereby paving the way for innovative therapeutic approaches.
Collapse
Affiliation(s)
- Saishuo Chang
- Department of Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Dong Ren
- Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Head and Neck Surgery, MOE Key Laboratory of Major Diseases in Children, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Li Zhang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Shan Liu
- Department of Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Wei Yang
- Department of Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Haiyan Cheng
- Department of Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Xuexi Zhang
- Department of Otolaryngology, Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Enyu Hong
- Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Head and Neck Surgery, MOE Key Laboratory of Major Diseases in Children, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Di Geng
- Biobank for Clinical Data and Samples in Pediatrics, Beijing Children's Hospital, National Center for Children's Health, Beijing Pediatric Research Institute, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Yadi Wang
- Biobank for Clinical Data and Samples in Pediatrics, Beijing Children's Hospital, National Center for Children's Health, Beijing Pediatric Research Institute, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Chenghao Chen
- Department of Thoracic Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Jie Zhang
- Department of Otolaryngology, Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Tieliu Shi
- Center for Bioinformatics and Computational Biology and the Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Yongli Guo
- Department of Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Xin Ni
- Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Head and Neck Surgery, MOE Key Laboratory of Major Diseases in Children, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China; Department of Otolaryngology, Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China.
| | - Huanmin Wang
- Department of Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China.
| | - Yaqiong Jin
- Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Head and Neck Surgery, MOE Key Laboratory of Major Diseases in Children, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China.
| |
Collapse
|
10
|
Shan TK, Yang TT, Jing P, Bao YL, Zhou LH, Zhu T, Shi XY, Wei TW, Wang SB, Gu LF, Chen JW, He Y, Wang ZM, Wang QM, Xie LP, Gu AH, Zhao Y, Ji Y, Wang H, Wang LS. Circular RNA IGF1R Promotes Cardiac Repair via Activating β-Catenin Signaling by Interacting with DDX5 in Mice after Ischemic Insults. RESEARCH (WASHINGTON, D.C.) 2024; 7:0451. [PMID: 39193132 PMCID: PMC11347128 DOI: 10.34133/research.0451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Accepted: 07/22/2024] [Indexed: 08/29/2024]
Abstract
The potential of circular RNAs (circRNAs) as biomarkers and therapeutic targets is becoming increasingly evident, yet their roles in cardiac regeneration and myocardial renewal remain largely unexplored. Here, we investigated the function of circIGF1R and related mechanisms in cardiac regeneration. Through analysis of circRNA sequencing data from neonatal and adult cardiomyocytes, circRNAs associated with regeneration were identified. Our data showed that circIGF1R expression was high in neonatal hearts, decreased with postnatal maturation, and up-regulated after cardiac injury. The elevation was validated in patients diagnosed with acute myocardial infarction (MI) within 1 week. In human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) and myocardial tissue from mice after apical resection and MI, we observed that circIGF1R overexpression enhanced cardiomyocyte proliferation, reduced apoptosis, and mitigated cardiac dysfunction and fibrosis, while circIGF1R knockdown impeded endogenous cardiac renewal. Mechanistically, we identified circIGF1R binding proteins through circRNA precipitation followed by mass spectrometry. RNA pull-down Western blot and RNA immunoprecipitation demonstrated that circIGF1R directly interacted with DDX5 and augmented its protein level by suppressing ubiquitin-dependent degradation. This subsequently triggered the β-catenin signaling pathway, leading to the transcriptional activation of cyclin D1 and c-Myc. The roles of circIGF1R and DDX5 in cardiac regeneration were further substantiated through site-directed mutagenesis and rescue experiments. In conclusion, our study highlights the pivotal role of circIGF1R in facilitating heart regeneration and repair after ischemic insults. The circIGF1R/DDX5/β-catenin axis emerges as a novel therapeutic target for enhancing myocardial repair after MI, offering promising avenues for the development of regenerative therapies.
Collapse
Affiliation(s)
- Tian-Kai Shan
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Tong-Tong Yang
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Peng Jing
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Yu-Lin Bao
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Liu-Hua Zhou
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ting Zhu
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Xin-Ying Shi
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Tian-Wen Wei
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Si-Bo Wang
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ling-Feng Gu
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jia-Wen Chen
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ye He
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ze-Mu Wang
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Qi-Ming Wang
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Li-Ping Xie
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine,
Nanjing Medical University, Nanjing, China
| | - Ai-Hua Gu
- State Key Laboratory of Reproductive Medicine, School of Public Health,
Nanjing Medical University, Nanjing, China
| | - Yang Zhao
- Department of Biostatistics, School of Public Health, China International Cooperation Center for Environment and Human Health,
Nanjing Medical University, Nanjing 210029, China
| | - Yong Ji
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine,
Nanjing Medical University, Nanjing, China
| | - Hao Wang
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Lian-Sheng Wang
- Department of Cardiology,
the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| |
Collapse
|
11
|
Zhang Z, Fu Y, Ju X, Zhang F, Zhang P, He M. Advances in Engineering Circular RNA Vaccines. Pathogens 2024; 13:692. [PMID: 39204292 PMCID: PMC11356823 DOI: 10.3390/pathogens13080692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 08/07/2024] [Accepted: 08/13/2024] [Indexed: 09/03/2024] Open
Abstract
Engineered circular RNAs (circRNAs) are a class of single-stranded RNAs with head-to-tail covalently linked structures that integrate open reading frames (ORFs) and internal ribosome entry sites (IRESs) with the function of coding and expressing proteins. Compared to mRNA vaccines, circRNA vaccines offer a more improved method that is safe, stable, and simple to manufacture. With the rapid revelation of the biological functions of circRNA and the success of Severe Acute Respiratory Coronavirus Type II (SARS-CoV-2) mRNA vaccines, biopharmaceutical companies and researchers around the globe are attempting to develop more stable circRNA vaccines for illness prevention and treatment. Nevertheless, research on circRNA vaccines is still in its infancy, and more work and assessment are needed for their synthesis, delivery, and use. In this review, based on the current understanding of the molecular biological properties and immunotherapeutic mechanisms of circRNA, we summarize the current preparation methods of circRNA vaccines, including design, synthesis, purification, and identification. We discuss their delivery strategies and summarize the challenges facing the clinical application of circRNAs to provide references for circRNA vaccine-related research.
Collapse
Affiliation(s)
- Zhongyan Zhang
- School of Pharmacy, Yantai University, Yantai 264005, China;
| | - Yuanlei Fu
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
| | - Xiaoli Ju
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
| | - Furong Zhang
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
| | - Peng Zhang
- School of Pharmacy, Yantai University, Yantai 264005, China;
| | - Meilin He
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
| |
Collapse
|
12
|
Zhou Q, Cai B, Liu K, Chen H. EIF4A3-Induced Upregulation of hsa_circ_0049396 Attenuates the Tumorigenesis of Nasopharyngeal Carcinoma by Regulating the Hippo-YAP Pathway. DNA Cell Biol 2024. [PMID: 39133108 DOI: 10.1089/dna.2024.0119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/13/2024] Open
Abstract
Circular RNAs (circRNAs) and eukaryotic translation initiation factor 4A3 (EIF4A3) have been reported to participate in the pathogenesis of nasopharyngeal carcinoma (NPC), but their mechanism has not been fully understood. This research aimed to confirm the role and regulatory mechanism of hsa_circ_0049396 interacting with EIF4A3 in NPC tumorigenesis. Quantitative real time polymerase chain reaction (qRT-PCR) was executed to detect the levels of hsa_circ_0049396 and EIF4A3. Cell function experiments and nude mice xenograft assay were used to confirm the role of hsa_circ_0049396 in NPC. The regulatory effect of EIA4A3 on hsa_circ_0049396 was determined by circInteractome prediction, RNA binding protein immunoprecipitation (RIP) assay, and qRT-PCR. In addition, the Hippo-YAP pathway-related proteins and EIF4A3 protein were detected by western blotting. hsa_circ_0049396 was proved to be downregulated in NPC samples, and its low expression indicated the poor prognosis of NPC. After upregulating hsa_circ_0049396 in NPC cells, the proliferation, migration, invasion, and tumor growth in vivo were suppressed by inhibiting the Hippo-YAP pathway. Moreover, EIF4A3 bound to the flanking regions of the hsa_circ_0049396 to enhance hsa_circ_0049396 expression in NPC cells. hsa_circ_0049396 mediated by EIF4A3 in NPC can attenuate NPC tumorigenesis by inhibiting the Hippo-YAP pathway. This finding may provide a potential early diagnostic biomarker or drug target to improve the precision medicine approaches of NPC.
Collapse
Affiliation(s)
- Qi Zhou
- Department of Otolaryngology Head and Neck Surgery, Puren Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Binlin Cai
- Department of Otolaryngology Head and Neck Surgery, Puren Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Kun Liu
- Department of Otolaryngology Head and Neck Surgery, Puren Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Hongxin Chen
- Department of Otolaryngology Head and Neck Surgery, Puren Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| |
Collapse
|
13
|
Luo R, Li S, Yang C, Tang B, Li L, Luo C. Curcumin Inhibits the Development of Pancreatic Cancer by Targeting the circ_0079440/miR-522-3p/EIF4A1 Pathway. Cell Biochem Biophys 2024:10.1007/s12013-024-01466-8. [PMID: 39102088 DOI: 10.1007/s12013-024-01466-8] [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: 07/25/2024] [Indexed: 08/06/2024]
Abstract
Pancreatic cancer (PC) is a common gastrointestinal cancer with high invasiveness and high mortality. Curcumin is a natural polyphenol with anti-tumor activity against different cancers, including PC. Curcumin has been verified to mediate the expression of circular RNAs (circRNAs) to inhibit tumor development. This study aimed to explore the function and regulatory mechanism of curcumin on circ_0079440 in PC. PC cells were treated with different concentrations of curcumin (0, 5, 10 or 15 μM) for 24 h. Gene expression in PC cells and tissues was detected using RT-qPCR. Cell malignant phenotypes were determined by functional assays. The levels of EMT-related proteins were tested using western blot. RNA interaction was determined using RNA pulldown assay, luciferase reporter assay and RIP assay. The results showed that curcumin suppressed cell proliferative, migratory, and invasive capabilities, and weakened epithelial-mesenchymal transition (EMT) in a concentration-dependent way. Circ_0079440 was expressed at a high level in PC and its level was reduced via curcumin administration in PC cells. Rescue assays showed that circ_0079440 overexpression reversed the suppressive effects of curcumin on PC cell malignant phenotypes. Furthermore, in the xenograft mouse models, curcumin treatment inhibited tumor growth and metastasis, and circ_0079440 upregulation reversed the function of curcumin. Additionally, circ_0079440 was revealed to bind to miR-522-3p to upregulate eukaryotic initiation factor 4A1 (EIF4A1) expression in PC cells. EIF4A1 expression was also downregulated by curcumin, and EIF4A1 overexpression abolished the suppressive functions of curcumin. Moreover, EIF4A overexpression or miR-522-3p inhibition counteracted the anti-tumor effects of circ_0079440 depletion on PC development. To sum up, curcumin suppresses PC development by targeting the circ_0079440/miR-522-3p/EIF4A1 pathway, which might provide novel therapeutic targets for treatment of PC.
Collapse
Affiliation(s)
- Ruiying Luo
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Shuang Li
- Department of respiratory medicine, The Third People's Hospital of Gansu Province, Lanzhou, 730000, Gansu, China
| | - Chi Yang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Baoyuan Tang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Long Li
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Changjiang Luo
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China.
| |
Collapse
|
14
|
Tang X, Guo M, Zhang Y, Lv J, Gu C, Yang Y. Examining the evidence for mutual modulation between m6A modification and circular RNAs: current knowledge and future prospects. J Exp Clin Cancer Res 2024; 43:216. [PMID: 39095902 PMCID: PMC11297759 DOI: 10.1186/s13046-024-03136-2] [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: 05/06/2024] [Accepted: 07/22/2024] [Indexed: 08/04/2024] Open
Abstract
The resistance of cancer cells to treatment significantly impedes the success of therapy, leading to the recurrence of various types of cancers. Understanding the specific mechanisms of therapy resistance may offer novel approaches for alleviating drug resistance in cancer. Recent research has shown a reciprocal relationship between circular RNAs (circRNAs) and N6-methyladenosine (m6A) modification, and their interaction can affect the resistance and sensitivity of cancer therapy. This review aims to summarize the latest developments in the m6A modification of circRNAs and their importance in regulating therapy resistance in cancer. Furthermore, we explore their mutual interaction and exact mechanisms and provide insights into potential future approaches for reversing cancer resistance.
Collapse
Affiliation(s)
- Xiaozhu Tang
- Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, China
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Mengjie Guo
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yuanjiao Zhang
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Junxian Lv
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chunyan Gu
- Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, China.
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, China.
| | - Ye Yang
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, China.
| |
Collapse
|
15
|
Du W, Li Y, Wang X, Xie S, Ci H, Zhou J, Zhu N, Chen Z, Zheng Y, Jia H. Circular RNA circESYT2 serves as a microRNA-665 sponge to promote the progression of hepatocellular carcinoma through ENO2. Cancer Sci 2024; 115:2659-2672. [PMID: 38710213 PMCID: PMC11309938 DOI: 10.1111/cas.16207] [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: 02/21/2024] [Revised: 04/12/2024] [Accepted: 04/19/2024] [Indexed: 05/08/2024] Open
Abstract
Circular RNAs (circRNAs) have emerged as crucial regulators in tumor progression, yet their specific role in hepatocellular carcinoma (HCC) remains largely uncharacterized. In this study, we utilized high-transcriptome sequencing to identify the upregulation of circESYT2 (hsa_circ_002142) in HCC tissues. Functional experiments carried out in vivo and in vitro revealed that circESYT2 played a significant role in maintaining the growth and metastatic behaviors of HCC. Through integrative analysis, we identified enolase 2 (ENO2) as a potential target regulated by circESYT2 through the competitive endogenous RNA sponge mechanism. Additional gain- or loss-of-function experiments indicated that overexpression of circESYT2 led to a tumor-promoting effect, which could be reversed by transfection of microRNA-665 (miR-665) mimic or ENO2 knockdown in HCC cells. Furthermore, the direct interaction between miR-665 and circESYT2 and between miR-665 and ENO2 was confirmed using RNA immunoprecipitation, FISH, RNA pull-down, and dual-luciferase reporter assays, highlighting the involvement of the circESYT2/miR-665/ENO2 axis in promoting HCC progression. These findings shed light on the molecular characteristics of circESYT2 in HCC tissues and suggest its potential as a biomarker or therapeutic target for HCC treatment.
Collapse
Affiliation(s)
- Wei Du
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Ying Li
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Xufeng Wang
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Sunzhe Xie
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Hongfei Ci
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Jiaming Zhou
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Ningqi Zhu
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Zule Chen
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
| | - Yan Zheng
- Department of Pancreatic Surgery, Shanghai General Hospital, Shanghai Key Laboratory of Pancreatic Disease, Institute of Pancreatic DiseaseShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Huliang Jia
- Hepatobiliary Surgery, Department of General Surgery, Huashan HospitalFudan UniversityShanghaiChina
- Cancer Metastasis InstituteFudan UniversityShanghaiChina
| |
Collapse
|
16
|
Mafi A, Khoshnazar SM, Shahpar A, Nabavi N, Hedayati N, Alimohammadi M, Hashemi M, Taheriazam A, Farahani N. Mechanistic insights into circRNA-mediated regulation of PI3K signaling pathway in glioma progression. Pathol Res Pract 2024; 260:155442. [PMID: 38991456 DOI: 10.1016/j.prp.2024.155442] [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: 04/11/2024] [Revised: 06/22/2024] [Accepted: 06/28/2024] [Indexed: 07/13/2024]
Abstract
Circular RNAs (CircRNAs) are non-coding RNAs (ncRNAs) characterized by a stable circular structure that regulates gene expression at both transcriptional and post-transcriptional levels. They play diverse roles, including protein interactions, DNA methylation modification, protein-coding potential, pseudogene creation, and miRNA sponging, all of which influence various physiological processes. CircRNAs are often highly expressed in brain tissues, and their levels vary with neural development, suggesting their significance in nervous system diseases such as gliomas. Research has shown that circRNA expression related to the PI3K pathway correlates with various clinical features of gliomas. There is an interact between circRNAs and the PI3K pathway to regulate glioma cell processes such as proliferation, differentiation, apoptosis, inflammation, angiogenesis, and treatment resistance. Additionally, PI3K pathway-associated circRNAs hold potential as biomarkers for cancer diagnosis, prognosis, and treatment. In this study, we reviewed the latest advances in the expression and cellular roles of PI3K-mediated circRNAs and their connections to glioma carcinogenesis and progression. We also highlighted the significance of circRNAs as diagnostic and prognostic biomarkers and therapeutic targets in glioma.
Collapse
Affiliation(s)
- Alireza Mafi
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyedeh Mahdieh Khoshnazar
- Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Amirhossein Shahpar
- Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Noushin Nabavi
- Independent Researcher, Victoria, British Columbia, Canada
| | - Neda Hedayati
- School of Medicine, Iran University of Medical Science, Tehran, Iran.
| | - Mina Alimohammadi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Najma Farahani
- Department of Genetics and Molecular Biology, Isfahan University of Medical Sciences, Isfahan, Iran.
| |
Collapse
|
17
|
Almalki WH, Almujri SS. Circular RNAs and the JAK/STAT pathway: New frontiers in cancer therapeutics. Pathol Res Pract 2024; 260:155408. [PMID: 38909403 DOI: 10.1016/j.prp.2024.155408] [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: 05/01/2024] [Revised: 06/08/2024] [Accepted: 06/12/2024] [Indexed: 06/25/2024]
Abstract
Circular RNAs, known as circRNAs, have drawn more attention to cancer biology in the last few years. Novel functions of circRNAs in cancer therapy open promising prospects for personalized medicine. This review focuses on the molecular properties and potential of circRNAs as biomarkers or therapeutic targets in cancer treatment. Unique properties of circular RNAs associated with a circular form provide stability and resilience to RNA exonuclease degradation. Circular RNAs' most important characteristic is that they are involved in the JAK/STAT pathway associated with oncogenesis. Notably, their deregulation has been reported in multiple carcinomas due to involvement in JAK/STAT signaling cascade modulation. Increased knowledge about circRNAs' interaction with the JAK/STAT pathway leads to the emergence of new possibilities for targeted cancer therapy. In addition, since circRNAs demonstrate tissue-relatedness of expression, they may be a reliable biomarker for predicting and diagnosing cancer. With the development of new technologies for targeting circRNAs, novel therapeutics can be produced that offer more personalized cancer treatment options based on the nature of the patient. The present review explores the exciting prospects of circRNAs for transforming cancer treatment into personalized medicine. It describes the current understanding of circRNA biology, its relationship to tumorigenesis, and possible targeting methods.
Collapse
Affiliation(s)
- Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia.
| | - Salem Salman Almujri
- Department of Pharmacology, College of Pharmacy, King Khalid University, Abha, Aseer 61421, Saudi Arabia
| |
Collapse
|
18
|
Zhang Y, Wu Y, Shi X, Ding H, Zhou Y, Chen H, Shen F, Chen Y, Zhou J, Zhou D, Wang J. M6A-mediated hsa_circ_0061179 inhibits DNA damage in ovarian cancer cells via miR-143-3p/TIMELESS. Mol Carcinog 2024; 63:1542-1558. [PMID: 38751015 DOI: 10.1002/mc.23744] [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: 11/11/2023] [Revised: 02/29/2024] [Accepted: 05/02/2024] [Indexed: 07/10/2024]
Abstract
Ovarian cancer (OC) is among the most common and deadly solid malignancies in women. Despite many advances in OC research, the incidence of OC continues to rise, and its pathogenesis remains largely unknown. Herein, we elucidated the function of hsa_circ_0061179 in OC. The levels of hsa_circ_0061179, miR-143-3p, TIMELESS, and DNA damage repair-related proteins in OC or normal ovarian tissues and cells were measured using real-time quantitative polymerase chain reaction and immunoblotting. The biological effects of hsa_circ_0061179 and miR-143-3p on proliferation, clone formation, DNA damage, and apoptosis of OC cells were detected by the cell counting kit-8 assay, 5-methylethyl-2'-deoxyuridine, flow cytometry, the comet assay, and immunofluorescence staining combined with the confocal microscopy. The interaction among hsa_circ_0061179, miR-143-3p, and TIMELESS was validated by the luciferase reporter assay. Mice tumor xenograft models were used to evaluate the influence of hsa_circ_0061179 on OC growth in vivo. We found that human OC biospecimens expressed higher levels of hsa_circ_0061179 and lower levels of miR-143-3p. Hsa_circ_0061179 was found to bind with miR-143-3p, which directly targets TIMELESS. Hsa_circ_0061179 knockdown or miR-143-3p overexpression suppressed the proliferation and clone formation of OC cells and increased DNA damage and apoptosis of OC cells via the miR-143-3p/TIMELESS axis. Furthermore, we demonstrated that METTL3 could direct the formation of has_circ_0061179 through a specific m6A modification site. YTHDC1 facilitated the cytoplasmic transfer of has_circ_0061179 by directly binding to the modified m6A site. Our findings suggest that hsa_circ_0061179 acts as the sponge of miR-143-3p to activate TIMELESS signaling and inhibits DNA damage and apoptosis in OC cells.
Collapse
Affiliation(s)
- Yuhong Zhang
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Clinical Research Center of Obstetrics and Gynecology, Jiangsu Key Laboratory of Clinical Immunology of Soochow University, Suzhou, Jiangsu, China
- Jiangsu Institute of Clinical Immunology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yuhong Wu
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Clinical Research Center of Obstetrics and Gynecology, Jiangsu Key Laboratory of Clinical Immunology of Soochow University, Suzhou, Jiangsu, China
- Jiangsu Institute of Clinical Immunology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Xiu Shi
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Hongmei Ding
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Ying Zhou
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Clinical Research Center of Obstetrics and Gynecology, Jiangsu Key Laboratory of Clinical Immunology of Soochow University, Suzhou, Jiangsu, China
- Jiangsu Institute of Clinical Immunology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Hanqing Chen
- Jiangsu Institute of Clinical Immunology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Department of hematology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Fangrong Shen
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Youguo Chen
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Jinhua Zhou
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Dingjie Zhou
- NHC Contraceptive Adverse Reaction Surveillance Center, Jiangsu Health Development Research Center, Nanjing, Jiangsu, China
- Jiangsu Provincial Medical Key Laboratory of Fertility Protection and Health Technology Assessment, Nanjing, Jiangsu, China
| | - Juan Wang
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| |
Collapse
|
19
|
Li Y, Wang Z, Gao P, Cao D, Dong R, Zhu M, Fei Y, Zuo X, Cai J. CircRHBDD1 promotes immune escape via IGF2BP2/PD-L1 signaling and acts as a nanotherapeutic target in gastric cancer. J Transl Med 2024; 22:704. [PMID: 39080693 PMCID: PMC11289934 DOI: 10.1186/s12967-024-05498-9] [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: 04/10/2024] [Accepted: 07/09/2024] [Indexed: 08/02/2024] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) have been implicated in the development and progression of gastric cancer (GC). However, it remains unclear whether dysregulated circRNA affects immune escape and the efficacy of immunotherapy in GC. Our aim is to investigate the molecular mechanism of circRNA affecting GC immunotherapy and identify effective molecular therapeutic targets. METHODS The differential expression profile of circRNAs was established through circRNA sequencing, comparing three paired GC tissues with their adjacent non-cancerous gastric tissues. The expression level of circRHBDD1 in GC tissues was then assessed using quantitative reverse transcription polymerase chain reaction (qRT-PCR). The biological characteristics of circRHBDD1 were verified through a series of experiments, including agarose gel electrophoresis assays, RNase R treatment, and actinomycin D experiments. The prognostic value of circRHBDD1 in GC was evaluated by conducting both univariate and multivariate survival analyses. Furthermore, loss- and gain-of-function approaches were utilized to investigate the impact of circRHBDD1 on GC immune escape. RNA-sequencing, immunoprecipitation, flow cytometry, and methylated RNA immunoprecipitation (meRIP) analysis were performed to elucidate the underlying molecular mechanisms. RESULTS We discovered that circRHBDD1 exhibited remarkably high expression levels in GC tissues and cell lines. Notably, the high expression of circRHBDD1 was significantly correlated with poor overall survival and disease-free survival among GC patients. Both in vitro and in vivo experiments revealed that circRHBDD1 upregulated the expression of PD-L1 and impeded the infiltration of CD8+ T cells. Further, we found that circRHBDD1 binds to IGF2BP2, disrupting the interaction between E3 ligase TRIM25 and IGF2BP2, and ultimately inhibiting IGF2BP2 ubiquitination and degradation. Intriguingly, IGF2BP2 enhances PD-L1 mRNA stability through m6A modification. Additionally, we developed Poly (lactide-co-glycolic acid) (PLGA)-Polyethylene glycol (PEG)-based nanoparticles loaded with circRHBDD1 siRNA. In vivo experiments validated that the combination of PLGA-PEG(si-circRHBDD1) and anti-PD-1 offers a safe and efficacious nano-drug regimen for cancer immunotherapy. CONCLUSION Our results demonstrated that circRHBDD1 promoted GC immune escape by upregulating the expression of PD-L1 and reprogramming T cell-mediated immune response. Inhibition of circRHBDD1 expression could potentially enhance the response of GC patients to immunotherapy, thus improving treatment outcomes. Additionally, the development of a nanodrug delivery system provides a feasible approach for future clinical applications.
Collapse
Affiliation(s)
- Yanna Li
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China
| | - Zhixiong Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China
| | - Peng Gao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China
| | - Danping Cao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China
| | - Runyu Dong
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China
| | - Menglin Zhu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China
| | - Yao Fei
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China
| | - Xueliang Zuo
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China.
- Anhui Province Key Laboratory of Non-coding RNA Basic and Clinical Transformation, Wannan Medical College, Wuhu, 241001, China.
| | - Juan Cai
- Anhui Province Key Laboratory of Non-coding RNA Basic and Clinical Transformation, Wannan Medical College, Wuhu, 241001, China.
- Department of Oncology, The First Affiliated Hospital, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China.
| |
Collapse
|
20
|
Barbagallo D, Ponti D, Bassani B, Bruno A, Pulze L, Akkihal SA, George-William JN, Gundamaraju R, Campomenosi P. MiR-223-3p in Cancer Development and Cancer Drug Resistance: Same Coin, Different Faces. Int J Mol Sci 2024; 25:8191. [PMID: 39125761 PMCID: PMC11311375 DOI: 10.3390/ijms25158191] [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: 06/06/2024] [Revised: 07/18/2024] [Accepted: 07/23/2024] [Indexed: 08/12/2024] Open
Abstract
MicroRNAs (miRNAs) are mighty post-transcriptional regulators in cell physiology and pathophysiology. In this review, we focus on the role of miR-223-3p (henceforth miR-223) in various cancer types. MiR-223 has established roles in hematopoiesis, inflammation, and most cancers, where it can act as either an oncogenic or oncosuppressive miRNA, depending on specific molecular landscapes. MiR-223 has also been linked to either the sensitivity or resistance of cancer cells to treatments in a context-dependent way. Through this detailed review, we highlight that for some cancers (i.e., breast, non-small cell lung carcinoma, and glioblastoma), the oncosuppressive role of miR-223 is consistently reported in the literature, while for others (i.e., colorectal, ovarian, and pancreatic cancers, and acute lymphocytic leukemia), an oncogenic role prevails. In prostate cancer and other hematological malignancies, although an oncosuppressive role is frequently described, there is less of a consensus. Intriguingly, NLRP3 and FBXW7 are consistently identified as miR-223 targets when the miRNA acts as an oncosuppressor or an oncogene, respectively, in different cancers. Our review also describes that miR-223 was increased in biological fluids or their extracellular vesicles in most of the cancers analyzed, as compared to healthy or lower-risk conditions, confirming the potential application of this miRNA as a diagnostic and prognostic biomarker in the clinic.
Collapse
Affiliation(s)
- Davide Barbagallo
- Department of Biomedical and Biotechnological Sciences, Section of Biology and Genetics “Giovanni Sichel”, University of Catania, Via Santa Sofia 89, 95123 Catania, Italy
- Interdisciplinary Research Centre on the Diagnosis and Therapy of Brain Tumors, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy
| | - Donatella Ponti
- Department of Medical-Surgical Sciences and Biotechnologies, University of Rome Sapienza, Corso della Repubblica 79, 04100 Latina, Italy;
| | - Barbara Bassani
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry, and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Via Fantoli 16/15, 20138 Milano, Italy; (B.B.); (A.B.)
| | - Antonino Bruno
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry, and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Via Fantoli 16/15, 20138 Milano, Italy; (B.B.); (A.B.)
- Department of Biotechnology and Life Sciences, DBSV, University of Insubria, Via J.H. Dunant 3, 21100 Varese, Italy;
| | - Laura Pulze
- Department of Biotechnology and Life Sciences, DBSV, University of Insubria, Via J.H. Dunant 3, 21100 Varese, Italy;
| | - Shreya A. Akkihal
- Independent Researcher, 35004 SE Swenson St, Snoqualmie, WA 98065, USA;
| | - Jonahunnatha N. George-William
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Fratelli Cervi, 93, 20054 Segrate, Italy;
| | - Rohit Gundamaraju
- Department of Laboratory Medicine, University of California San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA;
- ER Stress and Mucosal Immunology Team, School of Health Sciences, University of Tasmania, Launceston, TAS 7248, Australia
| | - Paola Campomenosi
- Department of Biotechnology and Life Sciences, DBSV, University of Insubria, Via J.H. Dunant 3, 21100 Varese, Italy;
| |
Collapse
|
21
|
Li L, Liu D, Chen T, Wei C, Qiao Y, Liu W, Liang Y, Liang Z, Chen C, Li D, Wu B, Zhao X, Huang D, Wu D. Hypoxia-enhanced YAP1-EIF4A3 interaction drives circ_0007386 circularization by competing with CRIM1 pre-mRNA linear splicing and promotes non-small cell lung cancer progression. J Exp Clin Cancer Res 2024; 43:200. [PMID: 39030638 PMCID: PMC11264895 DOI: 10.1186/s13046-024-03116-6] [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: 02/11/2024] [Accepted: 07/07/2024] [Indexed: 07/21/2024] Open
Abstract
BACKGROUND The progression of non-small cell lung cancer (NSCLC) is significantly influenced by circular RNAs (circRNAs), especially in tumor hypoxia microenvironment. However, the precise functions and underlying mechanisms of dysregulated circRNAs in NSCLC remain largely unexplored. METHODS Differentially expressed circRNAs in NSCLC tissues were identified through high-throughput RNA sequencing. The characteristics of circ_0007386 were rigorously confirmed via Sanger sequencing, RNase R treatment and actinomycin D treatment. The effects of circ_0007386 on proliferation and apoptosis were investigated using CCK8, cloning formation assays, TUNEL staining, and flow cytometry assays in vitro. In vivo, xenograft tumor models were used to evaluate its impact on proliferation. Mechanistically, the regulatory relationships of circ_0007386, miR-383-5p and CIRBP were examined through dual luciferase reporter assays and rescue experiments. Additionally, we detected the binding of EIF4A3 to CRIM1 pre-mRNA by RNA immunoprecipitation and the interaction between YAP1 and EIF4A3 under hypoxic conditions by co-immunoprecipitation. RESULTS Our investigation revealed a novel circRNA, designated as circ_0007386, that was upregulated in NSCLC tissues and cell lines. Circ_0007386 modulated proliferation and apoptosis in NSCLC both in vitro and in vivo. Functionally, circ_0007386 acted as a sponge for miR-383-5p, targeting CIRBP, which influenced NSCLC cell proliferation and apoptosis via the PI3K/AKT signaling pathway. Furthermore, under hypoxic conditions, the interaction between YAP1 and EIF4A3 was enhanced, leading to the displacement of EIF4A4 from binding to CRIM1 pre-mRNA. This facilitated the back-splicing of CRIM1 pre-mRNA, increasing the formation of circ_0007386. The circ_0007386/miR-383-5p/CIRBP axis was significantly associated with the clinical features and prognosis of NSCLC patients. CONCLUSIONS Circ_0007386, regulated by YAP1-EIF4A3 interaction under hypoxia conditions, plays an oncogenic role in NSCLC progression via the miR-383-5p/CIRBP axis.
Collapse
MESH Headings
- Humans
- Carcinoma, Non-Small-Cell Lung/genetics
- Carcinoma, Non-Small-Cell Lung/metabolism
- Carcinoma, Non-Small-Cell Lung/pathology
- RNA, Circular/genetics
- RNA, Circular/metabolism
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Lung Neoplasms/pathology
- Animals
- YAP-Signaling Proteins/metabolism
- Mice
- Disease Progression
- Eukaryotic Initiation Factor-4A/metabolism
- Eukaryotic Initiation Factor-4A/genetics
- Transcription Factors/metabolism
- Transcription Factors/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Adaptor Proteins, Signal Transducing/genetics
- Female
- Cell Line, Tumor
- Cell Proliferation
- RNA Precursors/metabolism
- RNA Precursors/genetics
- Male
- RNA Splicing
- Apoptosis
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Mice, Nude
- Gene Expression Regulation, Neoplastic
- DEAD-box RNA Helicases
Collapse
Affiliation(s)
- Lixia Li
- Cancer Hospital, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Dewei Liu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Tingting Chen
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Chunhui Wei
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Youping Qiao
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Weiliang Liu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Yanmei Liang
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Zhu Liang
- Department of Cardiothoracic Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Chunyuan Chen
- Department of Cardiothoracic Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Dongming Li
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Bin Wu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Xuanna Zhao
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China.
| | - Dan Huang
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China.
| | - Dong Wu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China.
| |
Collapse
|
22
|
Bogale DE. The roles of FGFR3 and c-MYC in urothelial bladder cancer. Discov Oncol 2024; 15:295. [PMID: 39031286 PMCID: PMC11264706 DOI: 10.1007/s12672-024-01173-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 07/16/2024] [Indexed: 07/22/2024] Open
Abstract
Bladder cancer is one of the most frequently occurring cancers worldwide. At diagnosis, 75% of urothelial bladder cancer cases have non-muscle invasive bladder cancer while 25% have muscle invasive or metastatic disease. Aberrantly activated fibroblast growth factor receptor (FGFR)-3 has been implicated in the pathogenesis of bladder cancer. Activating mutations of FGFR3 are observed in around 70% of NMIBC cases and ~ 15% of MIBCs. Activated FGFR3 leads to ligand-independent receptor dimerization and activation of downstream signaling pathways that promote cell proliferation and survival. FGFR3 is an important therapeutic target in bladder cancer, and clinical studies have shown the benefit of FGFR inhibitors in a subset of bladder cancer patients. c-MYC is a well-known major driver of carcinogenesis and is one of the most commonly deregulated oncogenes identified in human cancers. Studies have shown that the antitumor effects of FGFR inhibition in FGFR3 dependent bladder cancer cells and other FGFR dependent cancers may be mediated through c-MYC, a key downstream effector of activated FGFR that is involved tumorigenesis. This review will summarize the current general understanding of FGFR signaling and MYC alterations in cancer, and the role of FGFR3 and MYC dysregulation in the pathogenesis of urothelial bladder cancer with the possible therapeutic implications.
Collapse
Affiliation(s)
- Dereje E Bogale
- School of Medicine, Department of Oncology, Addis Ababa University, Addis Ababa, Ethiopia.
| |
Collapse
|
23
|
Wu G, Hou Q, Liu Z, Pu Z, Wu L. N 6-methyladenosine-modified circ_0006168 promotes epithelial mesenchymal transition via miR-384/STAT3/Snail axis in esophageal squamous cell carcinoma. J Cancer 2024; 15:4939-4954. [PMID: 39132166 PMCID: PMC11310886 DOI: 10.7150/jca.97533] [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: 04/19/2024] [Accepted: 07/01/2024] [Indexed: 08/13/2024] Open
Abstract
Circular RNAs (circRNAs) are involved in the pathogenesis of esophageal squamous cell carcinoma (ESCC). This study aimed to explore the mechanisms of aberrant expression and functions of circ_0006168 in ESCC. In this study, real-time qPCR and fluorescence in situ hybridization (FISH) are adopted to estimate the expression and localization of circ_0006168 in cancer tissues and cells. Methylated RNA immunoprecipitation (MeRIP) was performed to detect the N6-methyladenosine (m6A) modification of circ_0006168. Gain- and loss-of-functions of circ_0006168 were performed to identify its role in ESCC progression. RNA-binding protein immunoprecipitation (RIP) was used to detect the interaction of circ_0006168 with IGF2BP2. Luciferase reporter assay and RIP are used to confirm the circ_0006168/miR-384/STAT3 ceRNA network. Our results showed that the expression of circ_0006168 was upregulated in ESCC tissues and cells. METTL3-mediated m6A modification increased the expression of circ_0006168 via IGF2BP2-dependent way in TE-1 cells. Circ_0006168 promoted cell proliferation, migration, invasion, cell cycle progression and inhibited cell apoptosis, while knockdown of circ_0006168 had the reverse effects. Mechanistically, circ_0006168 acted its functions via miR-384/STAT3/Snail axis in TE-1 cells. In conclusion, circ_0006168 is upregulated in ESCC and m6A methylation increased its expression via IGF2BP2. CircRNA_0006168 promotes cell migration, invasion by regulating EMT via miR-384/STAT3/Snail axis in ESCC.
Collapse
Affiliation(s)
- Guandi Wu
- Medical Faculty Heidelberg, Heidelberg University, Heidelberg 69120, Germany
| | - Qin Hou
- Department of Gastroenterology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Zhe Liu
- Department of Gastroenterology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Zejin Pu
- Department of Gastroenterology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Lingfei Wu
- Department of Gastroenterology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong, China
| |
Collapse
|
24
|
Hu H, Shen S, Wu J, Ma L. CircTOP1 targeted regulation of PTBP1 expression promotes the progression of coronary artery calcification. Exp Cell Res 2024; 440:114147. [PMID: 38944174 DOI: 10.1016/j.yexcr.2024.114147] [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: 03/08/2024] [Revised: 05/31/2024] [Accepted: 06/22/2024] [Indexed: 07/01/2024]
Abstract
Coronary artery calcification (CAC) is a hallmark event in the pathogenesis of cardiovascular disease, involving the phenotypic transformation of vascular smooth muscle cells (VSMC) towards an osteogenic state. Despite this understanding, the molecular mechanisms governing the VSMC osteogenic switch remain incompletely elucidated. Here, we sought to examine the potential role of circular RNA (circRNA) in the context of CAC. Through transcriptome analysis of circRNA-seq, we identified circTOP1 as a potential candidate circRNA in individuals with CAC. Furthermore, we observed that overexpression of circTOP1 exacerbated vascular calcification in a CAC model. Subsequent pull-down assays revealed an interaction between circTOP1 and PTBP1, a putative target gene of circTOP1 in the context of CAC. In both in vivo and in vitro experiments, we observed heightened expression of circTOP1 and PTBP1 in the CAC model, and noted that reducing circTOP1 expression effectively reduced calcium salt deposits and mineralized nodules in model mice. Additionally, in vitro experiments demonstrated that overexpression of PTBP1 reversed the weakening of signaling caused by silencing circTOP1, thereby exacerbating the osteogenic transition and calcification of VSMC. Collectively, our findings suggested that circTOP1 promotes CAC by modulating PTBP1 expression to mediate VSMC transdifferentiation.
Collapse
Affiliation(s)
- Hao Hu
- Department of Cardiology, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China; Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Shichun Shen
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Jiawei Wu
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Likun Ma
- Department of Cardiology, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China; Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
| |
Collapse
|
25
|
Li W, Nadeem M. Decarbonizing progress: Exploring the nexus of renewable energy, digital economy, and economic development in South American countries. Heliyon 2024; 10:e33446. [PMID: 39071722 PMCID: PMC11283105 DOI: 10.1016/j.heliyon.2024.e33446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 04/22/2024] [Accepted: 06/21/2024] [Indexed: 07/30/2024] Open
Abstract
Examining the relationship between green energy, the digital economy, and economic advancement in eighteen South American nations, the study used the Principal Component Factor (PCF) approach. A Green Energy Transition Index (GETI) and a Digital Economy Index (DEI) were developed as a consequence of this study. Confirmation of the large influence of switching to green energy on economic development and environmental sustainability is provided by the research's use of Fixed Effect Panel Threshold Regression (FEPTR) analysis. In today's global industrial value chain, hydrocarbons are the main source of energy. As a result, it hastened the decarburization of the world energy system to lower the noteworthy quantities of CO2 emissions from these sources. All quantile groups' economic development is strongly impacted by the digital economy and the move to green energy, according to the Methodology of instants of quantile regression (MMQR). The only element that positively impacts environmental sustainability across all quantile groups is the switch to Green energy. Reducing CO2 emissions and increasing economic development are characteristics of the low-quantile group. While the median quantile group does see a decrease in carbon dioxide emissions, economic growth remains stagnant.
Collapse
Affiliation(s)
- Wei Li
- School of Economics and Management, Hefei Normal University, Hefei, Anhui, 230601, China
| | - Muhammad Nadeem
- School of Economics and Finance, Xi'an Jiao Tong University, Xian, 710061, China
| |
Collapse
|
26
|
Chikhirzhina E, Tsimokha A, Tomilin AN, Polyanichko A. Structure and Functions of HMGB3 Protein. Int J Mol Sci 2024; 25:7656. [PMID: 39062899 PMCID: PMC11276821 DOI: 10.3390/ijms25147656] [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: 05/24/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
HMGB3 protein belongs to the group of HMGB proteins from the superfamily of nuclear proteins with high electrophoretic mobility. HMGB proteins play an active part in almost all cellular processes associated with DNA-repair, replication, recombination, and transcription-and, additionally, can act as cytokines during infectious processes, inflammatory responses, and injuries. Although the structure and functions of HMGB1 and HMGB2 proteins have been intensively studied for decades, very little attention has been paid to HMGB3 until recently. In this review, we summarize the currently available data on the molecular structure, post-translational modifications, and biological functions of HMGB3, as well as the possible role of the ubiquitin-proteasome system-dependent HMGB3 degradation in tumor development.
Collapse
Affiliation(s)
- Elena Chikhirzhina
- Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia; (A.T.); (A.N.T.); (A.P.)
| | | | | | | |
Collapse
|
27
|
Mafi A, Hedayati N, Milasi YE, Kahkesh S, Daviran M, Farahani N, Hashemi M, Nabavi N, Alimohammadi M, Rahimzadeh P, Taheriazam A. The function and mechanism of circRNAs in 5-fluorouracil resistance in tumors: Biological mechanisms and future potential. Pathol Res Pract 2024; 260:155457. [PMID: 39018926 DOI: 10.1016/j.prp.2024.155457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/04/2024] [Accepted: 07/05/2024] [Indexed: 07/19/2024]
Abstract
5-Fluorouracil (5-FU) is a well-known chemotherapy drug extensively used in the treatment of breast cancer. It works by inhibiting cancer cell proliferation and inducing cell death through direct incorporation into DNA and RNA via thymidylate synthase (TS). Circular RNAs (circRNAs), a novel family of endogenous non-coding RNAs (ncRNAs) with limited protein-coding potential, contribute to 5-FU resistance. Their identification and targeting are crucial for enhancing chemosensitivity. CircRNAs can regulate tumor formation and invasion by adhering to microRNAs (miRNAs) and interacting with RNA-binding proteins, regulating transcription and translation. MiRNAs can influence enzymes responsible for 5-FU metabolism in cancer cells, affecting their sensitivity or resistance to the drug. In the context of 5-FU resistance, circRNAs can target miRNAs and regulate biological processes such as cell proliferation, cell death, glucose metabolism, hypoxia, epithelial-to-mesenchymal transition (EMT), and drug efflux. This review focuses on the function of circRNAs in 5-FU resistance, discussing the underlying molecular pathways and biological mechanisms. It also presents recent circRNA/miRNA-targeted cancer therapeutic strategies for future clinical application.
Collapse
Affiliation(s)
- Alireza Mafi
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Neda Hedayati
- School of Medicine, Iran University of Medical Science, Tehran, Iran
| | - Yaser Eshaghi Milasi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Samaneh Kahkesh
- Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Minoo Daviran
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Najma Farahani
- Department of Genetics and Molecular Biology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Noushin Nabavi
- Independent Researcher, Victoria, British Columbia V8V 1P7, Canada
| | - Mina Alimohammadi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Payman Rahimzadeh
- Surgical Research Society (SRS), Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| |
Collapse
|
28
|
Yang Y, Xie T, Gao P, Han W, Liu Y, Wang Y. Hsa_Circ_002144 Promotes Glycolysis and Immune Escape of Breast Cancer Through miR-326/PKM Axis. Cancer Biother Radiopharm 2024. [PMID: 38963787 DOI: 10.1089/cbr.2024.0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2024] Open
Abstract
Background: Breast cancer is a leading cause of cancer-related deaths in women worldwide, posing a significant threat to female health. Therefore, it is crucial to search for new therapeutic targets and prognostic biomarkers for breast cancer patients. Method: Bioinformatics analysis, quantitative real-time PCR (qRT-PCR), and fluorescence in situ hybridization (FISH) were employed to investigate the expression of hsa_circ_002144 in breast cancer. Transwell assay, Western blotting, and cell viability assay were utilized to assess the impact of hsa_circ_002144 on the proliferation, migration, and invasion of breast cancer cells. Additionally, a mouse model was established to validate its functionality. Flow cytometry, WB analysis, enzyme-linked immunosorbent assay (ELISA), qRT-PCR, exosomes isolation, and co-culture system were employed to elucidate the molecular mechanism underlying macrophage polarization. Result: we have discovered for the first time that hsa_circ_002144 is highly expressed in breast cancer. It affected tumor growth and metastasis and could influence macrophage polarization through the glycolytic pathway. Conclusion: This finding provides a new direction for breast cancer treatment and prognosis assessment.
Collapse
Affiliation(s)
- Yong Yang
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang City, China
| | - Tianhao Xie
- General Surgery, The Affiliated Hospital of Hebei University, Baoding City, China
| | - Peng Gao
- Anesthesiology department, Affiliated hospital of Qingdao university, Qingdao City, China
| | - Weijun Han
- Third Surgery, Baoji traditional Chinese Medicine Hospital in Shaanxi Province, Baoji City, China
| | - Yuhong Liu
- Rheumatology and Immunology Department, The Affiliated Hospital of Yan 'an University, Yan 'an City, China
| | - Yanmei Wang
- School of Nursing and Health, Medical College of Yan 'an University, Yan 'an City, China
| |
Collapse
|
29
|
Zang X, Wang R, Wang Z, Qiu S, Zhang F, Zhou L, Shen Y, Qian H, Xu W, Jiang J. Exosomal circ50547 as a potential marker and promotor of gastric cancer progression via miR-217/HNF1B axis. Transl Oncol 2024; 45:101969. [PMID: 38692196 PMCID: PMC11070923 DOI: 10.1016/j.tranon.2024.101969] [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: 01/26/2024] [Revised: 03/25/2024] [Accepted: 04/16/2024] [Indexed: 05/03/2024] Open
Abstract
BACKGROUND Exosomes, one of small extracellular vesicles, play a vital role in cell to cell communication and contribute to the advancement of tumors through their cargo molecules. Exosomal circRNAs have emerged as significant players in various types of tumors. Thus, this study aimed to investigate how exosomal circRNAs are involved in the diagnosis and progression of gastric cancer (GC). METHODS Serum exosomes were characterized using transmission electron microscopy, nanoparticle tracking analysis and Western blot. CCK-8, colony formation and transwell assays were conducted to study the function of hsa_circ_0050547 (named as circ50547). qRT-PCR was used to quantify the expression of circ50547 in GC tissues and serum exosomes. Fluorescence in situ hybridization was applied to detect the cellular distribution of circ50547. Stemness and drug-resistance were detected by sphere formation, WB, flow cytometry and half-maximal inhibitory concentration analyses. Bioinformatic analyses, luciferase experiments, qRT-PCR and WB were used to investigate molecular mechanisms. RESULTS We discovered for the first time a new type of GC-derived exosomal circRNA, circ50547. We found that circ50547 is highly expressed in both GC tissues and serum exosomes. Interestingly, we observed that the diagnostic value of exosomal circ50547 is superior to that of serum circ50547. Circ50547 overexpression enhanced the proliferation, migration, invasion, stemness and drug resistance of GC cells, while knockdown of circ50547 showed the opposite effect. Mechanistically, circ50547 acted as a sponge for miR-217 to regulate the expression of HNF1B, which promoted gastric cancer progression. CONCLUSION Exosomal circ50547 may be a promising marker for the diagnosis and prognosis prediction of GC. These findings suggest that it plays an oncogenic role through miR-217/HNF1B signaling pathway in GC.
Collapse
Affiliation(s)
- Xueyan Zang
- Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Zhangjiagang, Jiangsu 215600, PR China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Rongrong Wang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China; Clinical Medicine Scientific and Technical Innovation Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Ziyi Wang
- Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Zhangjiagang, Jiangsu 215600, PR China
| | - Shuangyang Qiu
- Affiliated fourth Hospital of Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Fan Zhang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Le Zhou
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Ye Shen
- Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Zhangjiagang, Jiangsu 215600, PR China
| | - Hui Qian
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Wenrong Xu
- Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Zhangjiagang, Jiangsu 215600, PR China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Jiajia Jiang
- Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Zhangjiagang, Jiangsu 215600, PR China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China.
| |
Collapse
|
30
|
Zhao H, Xiong Y, Zhou Z, Xu Q, Zi Y, Zheng X, Chen S, Xiao X, Gong L, Xu H, Liu L, Lu H, Cui Y, Shao S, Zhang J, Ma J, Zhou Q, Ma D, Li X. A hidden proteome encoded by circRNAs in human placentas: Implications for uncovering preeclampsia pathogenesis. Clin Transl Med 2024; 14:e1759. [PMID: 38997803 PMCID: PMC11245404 DOI: 10.1002/ctm2.1759] [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: 07/13/2023] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 07/14/2024] Open
Abstract
BACKGROUND CircRNA-encoded proteins (CEPs) are emerging as new players in health and disease, and function as baits for the common partners of their cognate linear-spliced RNA encoded proteins (LEPs). However, their prevalence across human tissues and biological roles remain largely unexplored. The placenta is an ideal model for identifying CEPs due to its considerable protein diversity that is required to sustain fetal development during pregnancy. The aim of this study was to evaluate circRNA translation in the human placenta, and the potential roles of the CEPs in placental development and dysfunction. METHODS Multiomics approaches, including RNA sequencing, ribosome profiling, and LC-MS/MS analysis, were utilised to identify novel translational events of circRNAs in human placentas. Bioinformatics methods and the protein bait hypothesis were employed to evaluate the roles of these newly discovered CEPs in placentation and associated disorders. The pathogenic role of a recently identified CEP circPRKCB119aa in preeclampsia was investigated through qRT-PCR, Western blotting, immunofluorescence imaging and phenotypic analyses. RESULTS We found that 528 placental circRNAs bound to ribosomes with active translational elongation, and 139 were translated to proteins. The CEPs showed considerable structural homology with their cognate LEPs, but are more stable, hydrophobic and have a lower molecular-weight than the latter, all of which are conducive to their function as baits. On this basis, CEPs are deduced to be closely involved in placental function. Furthermore, we focused on a novel CEP circPRKCB119aa, and illuminated its pathogenic role in preeclampsia; it enhanced trophoblast autophagy by acting as a bait to inhibit phosphorylation of the cognate linear isoform PKCβ. CONCLUSIONS We discovered a hidden circRNA-encoded proteome in the human placenta, which offers new insights into the mechanisms underlying placental development, as well as placental disorders such as preeclampsia. Key points A hidden circRNA-encoded proteome in the human placenta was extensively identified and systematically characterised. The circRNA-encoded proteins (CEPs) are potentially related to placental development and associated disorders. A novel conserved CEP circPRKCB119aa enhanced trophoblast autophagy by inhibiting phosphorylation of its cognate linear-spliced isoform protein kinase C (PKC) β in preeclampsia.
Collapse
Affiliation(s)
- Huanqiang Zhao
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
- Institute of Maternal and Child Medicine, Shenzhen Maternity and Child Healthcare Hospital, Shenzhen, Guangdong Province, China
| | - Yu Xiong
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Zixiang Zhou
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Qixin Xu
- Institute of Maternal and Child Medicine, Shenzhen Maternity and Child Healthcare Hospital, Shenzhen, Guangdong Province, China
| | - Yang Zi
- Institute of Maternal and Child Medicine, Shenzhen Maternity and Child Healthcare Hospital, Shenzhen, Guangdong Province, China
| | - Xiujie Zheng
- Institute of Maternal and Child Medicine, Shenzhen Maternity and Child Healthcare Hospital, Shenzhen, Guangdong Province, China
| | - Shiguo Chen
- Institute of Maternal and Child Medicine, Shenzhen Maternity and Child Healthcare Hospital, Shenzhen, Guangdong Province, China
| | - Xirong Xiao
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Lili Gong
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Huangfang Xu
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Lidong Liu
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Huiqing Lu
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Yutong Cui
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Shuyi Shao
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Jin Zhang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jing Ma
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Qiongjie Zhou
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Duan Ma
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Xiaotian Li
- The Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
- Institute of Maternal and Child Medicine, Shenzhen Maternity and Child Healthcare Hospital, Shenzhen, Guangdong Province, China
| |
Collapse
|
31
|
Misir S, Ozer Yaman S, Petrović N, Šami A, Akidan O, Hepokur C, Aliyazicioglu Y. Identification of a Novel hsa_circ_0058058/miR-324-5p Axis and Prognostic/Predictive Molecules for Acute Myeloid Leukemia Outcome by Bioinformatics-Based Analysis. BIOLOGY 2024; 13:487. [PMID: 39056681 PMCID: PMC11273384 DOI: 10.3390/biology13070487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/28/2024]
Abstract
Acute myeloid leukemia (LAML) is one of the most prevalent hematological malignancies. In recent years, while targeted approaches have shown promise in the fight against cancer, the treatability and prognosis of patients remain inadequate due to the shortage of drugs. Noncoding RNAs, especially circular RNA (circRNA) and microRNA (miRNA), have been shown to play a unique role in tumor development. This study aims to identify the disease-associated circRNA-miRNA-mRNA network by bioinformatic analysis and investigate the mechanisms in the development and progression of LAML. Additionally, it reveals the promising roles of these molecules as a diagnostic biomarker and therapeutic target for LAML treatment. Using various bioinformatics approaches, we identified the hsa_circ_0058058/miR-324-5p axis in LAML and its possible functions in LAML development. According to our results, hsa circ-0058058 can regulate the expression of AP1G1 and SP1 through miR-324-5p to support angiogenesis, the cell cycle, and DNA replication processes. Downregulation of hsa circ-0058058 may contribute to the anticancer functions of miR-324-5p on LAML tumorigenesis, and upregulation of miR-324-5p can abolish the oncogenic effects of AP1G1 and SP1 on LAML tumorigenesis. Additionally, highly enriched pathways indicated possible interactions between molecules underlying LAML pathology. Targeted molecules within this network may be able to function as therapeutic and diagnostic biomarkers for disease, while more research and clinical confirmation are needed.
Collapse
Affiliation(s)
- Sema Misir
- Department of Biochemistry, Faculty of Pharmacy, Sivas Cumhuriyet University, 58140 Sivas, Turkey;
| | - Serap Ozer Yaman
- Department of Medical Biochemistry, Faculty of Medicine, Karadeniz Technical University, 61080 Trabzon, Turkey; (S.O.Y.); (Y.A.)
- Department of Medical Biochemistry, Trabzon Faculty of Medicine, University of Health Sciences, 61080 Trabzon, Turkey
| | - Nina Petrović
- Laboratory for Radiobiology and Molecular Genetics, Department of Health and Environment, “VINČA” Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, 11351 Belgrade, Serbia;
- Department for Experimental Oncology, Institute for Oncology and Radiology of Serbia, 11351 Belgrade, Serbia
| | - Ahmad Šami
- Cellular and Molecular Radiation Oncology Laboratory, Department of Radiation Oncology, Universitaetsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany;
| | - Osman Akidan
- Department of Hematology, Mengücek Gazi Education and Research Hospital, 24100 Erzincan, Turkey;
| | - Ceylan Hepokur
- Department of Biochemistry, Faculty of Pharmacy, Sivas Cumhuriyet University, 58140 Sivas, Turkey;
| | - Yuksel Aliyazicioglu
- Department of Medical Biochemistry, Faculty of Medicine, Karadeniz Technical University, 61080 Trabzon, Turkey; (S.O.Y.); (Y.A.)
| |
Collapse
|
32
|
Zhang Y, Tan Y, Yuan J, Tang H, Zhang H, Tang Y, Xie Y, Wu L, Xie J, Xiao X, Li Y, Kong Y. circLIFR-007 reduces liver metastasis via promoting hnRNPA1 nuclear export and YAP phosphorylation in breast cancer. Cancer Lett 2024; 592:216907. [PMID: 38685451 DOI: 10.1016/j.canlet.2024.216907] [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: 01/16/2024] [Revised: 04/16/2024] [Accepted: 04/21/2024] [Indexed: 05/02/2024]
Abstract
Cancer metastasis is the major cause of death in patients with breast cancer (BC). The liver is a common site of breast cancer metastasis, and the 5-year survival rate of patients with breast cancer liver metastases (BCLMs) is only about 8.5 %. CircRNAs are involved in a variety of cancer-related pathological behaviors, and their unique structure and resistance to RNA degradation enable them to serve as ideal diagnostic biomarkers and therapeutic targets. Therefore, it is important to investigate the role and molecular mechanism of circRNAs in cancer metastasis. CircLIFR-007 was identified as a critical circular RNA in BC metastasis by circRNAs microarray and qRT-PCR experiment. Cell function assays were performed to explore the effect of circLIFR-007 in breast cancer cells. Experiments in vivo validated the function of circLIFR-007. Several molecular assays were performed to investigate the underlying mechanisms. We found that circLIFR-007 acted as a negative controller in breast cancer liver metastasis. CircLIFR-007 upregulates the phosphorylation level of YAP by exporting hnRNPA1 to promote the combination between hnRNPA1 and YAP in the cytoplasm. Overexpression of circLIFR-007 suppressed the expression of liver metastasis-related proteins, SREBF1 and SNAI1, which were regulated by transcription factor YAP. Functionally, circLIFR-007 inhibits the proliferation and metastasis of breast cancer cells both in vivo and in vitro.
Collapse
Affiliation(s)
- Yue Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China
| | - Yeru Tan
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Jingping Yuan
- Department of Pathology, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuchang District, Wuhan, 430060, China
| | - Hailin Tang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China
| | - Hanqi Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China
| | - Yuhui Tang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China
| | - Yi Xie
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China
| | - Linyu Wu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China
| | - Jindong Xie
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China
| | - Xiangsheng Xiao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China.
| | - Yuehua Li
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Yanan Kong
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, 510060, China.
| |
Collapse
|
33
|
Zhang F, Li J, Xu J, Jiang X, Chen S, Nasser QA. Circular RNA circLIFR suppresses papillary thyroid cancer progression by modulating the miR-429/TIMP2 axis. J Cancer Res Clin Oncol 2024; 150:323. [PMID: 38914806 PMCID: PMC11196293 DOI: 10.1007/s00432-024-05839-7] [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: 05/02/2024] [Accepted: 06/06/2024] [Indexed: 06/26/2024]
Abstract
PURPOSE Circular RNAs (circRNAs) are increasingly recognized for their important roles in various cancers, including papillary thyroid cancer (PTC). The specific mechanisms by which the circLIF receptor subunit alpha (circLIFR, hsa_circ_0072309) influences PTC progression remain largely unknown. METHODS In our study, CircLIFR, miR-429, and TIMP2 levels were assessed using reverse transcription-quantitative PCR. The roles of circLIFR and miR-429 in PTC cells were determined using Cell Counting Kit-8, colony formation, wound healing, and Transwell assays. Western blotting was utilized to examine the levels of TIMP2. The direct interaction between circLIFR, TIMP2, and miR-429 was confirmed using dual-luciferase reporter, RNA immunoprecipitation, and fluorescence in situ hybridization assays. RESULTS In PTC tissues and cells, a decrease in circLIFR and TIMP2 levels, accompanied by an increase in miR-429 levels, was observed. Overexpression of circLIFR or downregulation of miR-429 effectively suppressed the proliferation and migration of PTC cells. Conversely, the knockdown of circLIFR or overexpression of miR-429 had the opposite effect. Furthermore, circLIFR overexpression suppressed tumor growth in vivo. Mechanistically, circLIFR modulated TIMP2 expression by serving as a sponge for miR-429. Rescue experiments indicated that the antitumor effect of circLIFR could be reversed by miR-429. CONCLUSION This study confirmed circLIFR as a novel tumor suppressor delayed PTC progression through the miR-429/TIMP2 axis. These findings suggested that circLIFR held promise as a potential therapeutic target for PTC.
Collapse
Affiliation(s)
- Fengyuan Zhang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, China
| | - Jiazheng Li
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, China
| | - Jingjing Xu
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, China
| | - Xugan Jiang
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, China
| | - Shengxia Chen
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, China.
| | - Qais Ahmad Nasser
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, China.
| |
Collapse
|
34
|
Wen K, Chen X, Gu J, Chen Z, Wang Z. Beyond traditional translation: ncRNA derived peptides as modulators of tumor behaviors. J Biomed Sci 2024; 31:63. [PMID: 38877495 PMCID: PMC11177406 DOI: 10.1186/s12929-024-01047-0] [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: 11/29/2023] [Accepted: 05/24/2024] [Indexed: 06/16/2024] Open
Abstract
Within the intricate tapestry of molecular research, noncoding RNAs (ncRNAs) were historically overshadowed by a pervasive presumption of their inability to encode proteins or peptides. However, groundbreaking revelations have challenged this notion, unveiling select ncRNAs that surprisingly encode peptides specifically those nearing a succinct 100 amino acids. At the forefront of this epiphany stand lncRNAs and circRNAs, distinctively characterized by their embedded small open reading frames (sORFs). Increasing evidence has revealed different functions and mechanisms of peptides/proteins encoded by ncRNAs in cancer, including promotion or inhibition of cancer cell proliferation, cellular metabolism (glucose metabolism and lipid metabolism), and promotion or concerted metastasis of cancer cells. The discoveries not only accentuate the depth of ncRNA functionality but also open novel avenues for oncological research and therapeutic innovations. The main difficulties in the study of these ncRNA-derived peptides hinge crucially on precise peptide detection and sORFs identification. Here, we illuminate cutting-edge methodologies, essential instrumentation, and dedicated databases tailored for unearthing sORFs and peptides. In addition, we also conclude the potential of clinical applications in cancer therapy.
Collapse
Affiliation(s)
- Kang Wen
- Cancer Medical Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210011, P.R. China
| | - Xin Chen
- Cancer Medical Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210011, P.R. China
| | - Jingyao Gu
- Cancer Medical Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210011, P.R. China
| | - Zhenyao Chen
- Department of Respiratory Endoscopy, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P.R. China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
| | - Zhaoxia Wang
- Cancer Medical Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210011, P.R. China.
| |
Collapse
|
35
|
Feng Y, Liang L, Jia W, Wang J, Xu C, Zhu D, Xu B, Zhao W, Ling X, Zhou Y, Kong L, Ding W. Circ_0007386 Promotes the Progression of Hepatocellular Carcinoma Through the miR-507/ CCNT2 Axis. J Hepatocell Carcinoma 2024; 11:1095-1112. [PMID: 38887684 PMCID: PMC11182359 DOI: 10.2147/jhc.s459633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 06/06/2024] [Indexed: 06/20/2024] Open
Abstract
Background Circular RNAs (circRNAs) have been shown to play a crucial role in the initiation and development of Hepatocellular carcinoma (HCC). However, the mechanism and function of circ_0007386 in HCC are still unknown. Methods Circ_0007386 expression level in HCC tissues, and HCC cell lines was further analyzed by qRT-PCR. Agarose gel electrophoresis and Sanger sequencing were used to figure out the structure of circ_0007386. The involvement of circ_0007386 in HCC development was evaluated by experimental investigations conducted in both laboratory settings (in vitro) and living organisms (in vivo). RNA immunoprecipitation, Western blotting, luciferase reporter assay and fluorescence in situ hybridization (FISH) were applied for finding out the interaction among circ_0007386, miR-507 and CCNT2. To assess the connection between circ_0007386 and lenvatinib resistance, lenvatinib-resistant HCC cell lines were employed. Results The expression of circ_0007386 was found to increase in HCC tissues, and it was observed to be associated with a worse prognosis. Overexpression of circ_0007386 stimulated HCC cells proliferation, invasion, migration and the epithelial-mesenchymal transition (EMT) while silencing of circ_0007386 resulted in the opposite effect. Mechanistic investigations revealed that circ_0007386 acted as a competing endogenous RNA of miR-507 to prevent CCNT2 downregulation. Downregulating miR-507 or overexpressing CCNT2 could reverse phenotypic alterations that originated from inhibiting of circ_0007386. Importantly, circ_0007386 determines the resistance of hepatoma cells to lenvatinib treatment. Conclusion Circ_0007386 advanced HCC progression and lenvatinib resistance through the miR-507/ CCNT2 axis. Meanwhile, circ_0007386 served as a potential biomarker and therapeutic target in HCC patients.
Collapse
Affiliation(s)
- Yanzhi Feng
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Litao Liang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Wenbo Jia
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Jinyi Wang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Chao Xu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Deming Zhu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Bin Xu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Wenhu Zhao
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Xiangyu Ling
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Yongping Zhou
- Jiangnan University Medical Center, JUMC, Department of Hepatobiliary, Wuxi, Jiangsu, People’s Republic of China
| | - Lianbao Kong
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| | - Wenzhou Ding
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, National Health Commission Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Innovation Center, Nanjing, Jiangsu, People’s Republic of China
- Jiangsu Provincial Medical Key Laboratory, Nanjing, Jiangsu, People’s Republic of China
| |
Collapse
|
36
|
Chen F, Chen J, Yuan Y, Fang S, Xie J, Xu X, Yang Z, Jiang J. Circ_100549 promotes tumor progression in lung adenocarcinoma through upregulation of BIRC6. Histochem Cell Biol 2024; 161:493-506. [PMID: 38613646 DOI: 10.1007/s00418-024-02275-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] [Accepted: 09/18/2023] [Indexed: 04/15/2024]
Abstract
Lung adenocarcinoma (LUAD) is a subtype of lung cancer with high incidence and mortality globally. Emerging evidence suggests that circular RNAs (circRNAs) exert critical functions in human cancers, including LUAD. CircRNA_100549 (circ_100549) has been reported to be significantly upregulated in non-small cell lung cancer (NSCLC) samples, while its role in modulating LUAD progression remains to be explored. The current study aims at investigating the functional roles of circ_100549 in LUAD and its downstream molecular mechanism. First, we found that the expression of circ_100549 was higher in LUAD cell lines. Loss-of-function assays verified that depletion of circ_100549 repressed LUAD cell proliferation but accelerated cell apoptosis. Furthermore, in vivo experiments demonstrated that silencing of circ_100549 suppressed tumor growth. Subsequently, based on database analysis, we carried out a series of experiments to explore the mechanisms and effects of circ_100549 underlying LUAD progression, including RNA-binding protein immunoprecipitation (RIP), RNA/DNA pull-down, luciferase reporter, and chromatin immunoprecipitation (ChIP) assays. The results indicated that circ_100549 serves as a ceRNA by sponging miR-95-5p to upregulate BPTF expression, thus upregulating BIRC6 expression at a transcriptional level in LUAD. In summary, our study demonstrated that circ_100549 facilitates LUAD progression by upregulating BIRC6 expression.
Collapse
Affiliation(s)
- Feifei Chen
- Department of Respiratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Juan Chen
- Department of Respiratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Respiratory and Critical Care Medicine, Xuzhou No.1 People's Hospital; Affiliated Hospital of China University of Mining and Technology, Xuzhou, 221000, Jiangsu, China
| | - Yuan Yuan
- Department of Respiratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Surong Fang
- Department of Respiratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jing Xie
- Geriatrics Department, The Affiliated Yixing Hospital of Jiangsu University, Yixing, 214200, Jiangsu, China
| | - Xiaojuan Xu
- Geriatrics Department, The Affiliated Yixing Hospital of Jiangsu University, Yixing, 214200, Jiangsu, China
| | - Zhenhua Yang
- Department of Respiratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Jianzhong Jiang
- Geriatrics Department, The Affiliated Yixing Hospital of Jiangsu University, Yixing, 214200, Jiangsu, China.
| |
Collapse
|
37
|
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.
Collapse
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
| |
Collapse
|
38
|
Tuerdi R, Zhang H, Wang W, Shen M, Wei X. Bibliometric analysis of the research hotspots and trends of circular RNAs. Heliyon 2024; 10:e31478. [PMID: 38818139 PMCID: PMC11137546 DOI: 10.1016/j.heliyon.2024.e31478] [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: 11/29/2023] [Revised: 03/27/2024] [Accepted: 05/16/2024] [Indexed: 06/01/2024] Open
Abstract
Background and objective Circular RNAs (circRNAs) have garnered considerable attention in the study of various human diseases due to their ubiquitous expression and potential biological functions. This study conducts a bibliometric and visualization-based analysis of circRNA-related research in diseases, aiming to reveal the current status, hotspots and emerging trends within the field. Methods Literature published between 2013 and 2022 and indexed in the Web of Science core databases was retrieved. Visualizations of publication volume, countries, authors, institutions, journals, references, and keywords were performed. Microsoft Excel (2021) was used to analyze and graph publication volume and growth trends. Additionally, CiteSpace (version 6.1.R6) and VOSviewer (version 1.6.18) were employed to visualize the bibliographic information. Results Between 2013 and 2022, a total of 4195 relevant articles on circRNA in the context of diseases were identified. These articles covered 56 countries, 2528 institutions, 19,842 authors and 698 journals, citing 85,541 references. The annual publication volume showed an exponential growth trend, with rapid development post-2017. China, the United States and Germany emerged as the top three contributors, demonstrating high publication volume and total citations. Notably, Nanjing Medical University exhibited the highest publication volume, boasting 291 articles. Burton B. Yang and Li Yang consistently ranked among the top 10 authors in terms of publication volume and citations, emerging as core contributors in this research field. The journal Bioengineered ranked first in terms of published articles (160), with an impact factor of 6.832, while Molecular Cancer garnered the highest impact factor (41.4), solidifying its position as a top journal in this field. Furthermore, high-frequency keywords included "expression" "proliferation" "biomarker" "microRNA" "cancer", signifying the prevailing research hotspots and principal themes of this field over the past decade. As of 2022, "biomarker", "prostate cancer","drug resistance","papillary thyroid carcinoma", etc. continued as keywords during the outbreak period. At present, the value of circRNA application is mainly reflected in the two aspects of biomarkers and therapeutic targets, and the prediction of accurate diagnosis and precise treatment based on big data analysis, especially in cancer, will become a hot spot of research in the future. Conclusion The trajectory of circRNA research from its biological origins to its applications in diseases has been delineated from 2013 to 2022. However, the transition to disease-specific applications and exploration of biological functions warrants further attention in future research endeavors.
Collapse
Affiliation(s)
- Reyila Tuerdi
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| | - Hui Zhang
- Pathogenic Biology Laboratory, Gansu Provincial Center for Disease Prevention and Control, Lanzhou, 730000, Gansu, China
| | - Wenxin Wang
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| | - Minghui Shen
- Center of Laboratory Medicine, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Xingmin Wei
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| |
Collapse
|
39
|
Gong J, Han G, Chen Z, Zhang Y, Xu B, Xu C, Gao W, Wu J. CircDCAF8 promotes the progression of hepatocellular carcinoma through miR-217/NAP1L1 Axis, and induces angiogenesis and regorafenib resistance via exosome-mediated transfer. J Transl Med 2024; 22:517. [PMID: 38816735 PMCID: PMC11137954 DOI: 10.1186/s12967-024-05233-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 04/23/2024] [Indexed: 06/01/2024] Open
Abstract
BACKGROUND Circular RNAs (circRNAs), which are a new type of single-stranded circular RNA, have significant involvement in progression of many diseases, including tumors. Currently, multiple circRNAs have been identified in hepatocellular carcinoma (HCC). Our study aims to investigate the function and mechanism of circDCAF8 in HCC. METHODS The expression of circDCAF8 (hsa_circ_0014879) in HCC and para-carcinoma tissue samples was determined using quantitative real-time polymerase chain reaction (qRT-PCR). The biological function of circDCAF8 in HCC was confirmed by experiments conducted both in vitro and in vivo. And the relationship between circDCAF8, miR-217 and NAP1L1 was predicted by database and verified using qRT-PCR, RNA-binding protein immunoprecipitation (RIP) and dual-luciferase reporter assays. Exosomes isolated from HCC cells were utilized to assess the connection of exosomal circDCAF8 with HCC angiogenesis and regorafenib resistance. RESULTS CircDCAF8 is upregulated in HCC tissues and cell lines, and is linked to an unfavourable prognosis for HCC patients. Functionally, circDCAF8 was proved to facilitate proliferation, migration, invasion and Epithelial-Mesenchymal Transformation (EMT) in HCC cells. Animal examinations also validated the tumor-promoting characteristics of circDCAF8 on HCC. Besides, exosomal circDCAF8 promoted angiogenesis in HUVECs. Mechanistically, circDCAF8 interacted with miR-217 and NAP1L1 was a downstream protein of miR-217. CircDCAF8 promoted NAP1L1 expression by sponging miR-217. In addition, exosomes may transfer circDCAF8 from regorafenib-resistant HCC cells to sensitive cells, where it would confer a resistant phenotype. CONCLUSION CircDCAF8 facilitates HCC proliferation and metastasis via the miR-217/NAP1L1 axis. Meanwhile, circDCAF8 can promote angiogenesis and drive resistance to regorafenib, making it a viable therapeutic target for HCC patients.
Collapse
MESH Headings
- Humans
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/metabolism
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Liver Neoplasms/genetics
- Liver Neoplasms/pathology
- Liver Neoplasms/metabolism
- Exosomes/metabolism
- RNA, Circular/genetics
- RNA, Circular/metabolism
- Drug Resistance, Neoplasm/genetics
- Neovascularization, Pathologic/genetics
- Disease Progression
- Animals
- Phenylurea Compounds/pharmacology
- Phenylurea Compounds/therapeutic use
- Cell Line, Tumor
- Pyridines/pharmacology
- Mice, Nude
- Gene Expression Regulation, Neoplastic
- Male
- Cell Proliferation/drug effects
- Cell Proliferation/genetics
- Mice
- Mice, Inbred BALB C
- Female
- Base Sequence
- Human Umbilical Vein Endothelial Cells/metabolism
- Middle Aged
- Angiogenesis
Collapse
Affiliation(s)
- Jiahao Gong
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Hepatobiliary Cancers, Nanjing, Jiangsu Province, China
| | - Guoyong Han
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Hepatobiliary Cancers, Nanjing, Jiangsu Province, China
| | - Zhiqiang Chen
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Hepatobiliary Cancers, Nanjing, Jiangsu Province, China
| | - Yinqi Zhang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Hepatobiliary Cancers, Nanjing, Jiangsu Province, China
| | - Bin Xu
- Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong Province, China
| | - Chao Xu
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Hepatobiliary Cancers, Nanjing, Jiangsu Province, China
| | - Wen Gao
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
| | - Jindao Wu
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Hepatobiliary Cancers, Nanjing, Jiangsu Province, China.
| |
Collapse
|
40
|
Liu YY, Zhang YY, Ran LY, Huang B, Ren JW, Ma Q, Pan XJ, Yang FF, Liang C, Wang XL, Wang SM, Ran A, Ning H, Jiang Y, Qin CH, Xiao B. A novel protein FNDC3B-267aa encoded by circ0003692 inhibits gastric cancer metastasis via promoting proteasomal degradation of c-Myc. J Transl Med 2024; 22:507. [PMID: 38802851 PMCID: PMC11129431 DOI: 10.1186/s12967-024-05225-4] [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: 02/07/2024] [Accepted: 04/22/2024] [Indexed: 05/29/2024] Open
Abstract
BACKGROUND Gastric cancer (GC) ranks fifth in global cancer incidence and third in mortality rate among all cancer types. Circular RNAs (circRNAs) have been extensively demonstrated to regulate multiple malignant biological behaviors in GC. Emerging evidence suggests that several circRNAs derived from FNDC3B play pivotal roles in cancer. However, the role of circFNDC3B in GC remains elusive. METHODS We initially screened circFNDC3B with translation potential via bioinformatics algorithm prediction. Subsequently, Sanger sequencing, qRT-PCR, RNase R, RNA-FISH and nuclear-cytoplasmic fractionation assays were explored to assess the identification and localization of circ0003692, a circRNA derived from FNDC3B. qRT-PCR and ISH were performed to quantify expression of circ0003692 in human GC tissues and adjacent normal tissues. The protein-encoding ability of circ0003692 was investigated through dual-luciferase reporter assay and LC/MS. The biological behavior of circ0003692 in GC was confirmed via in vivo and in vitro experiments. Additionally, Co-IP and rescue experiments were performed to elucidate the interaction between the encoded protein and c-Myc. RESULTS We found that circ0003692 was significantly downregulated in GC tissues. Circ0003692 had the potential to encode a novel protein FNDC3B-267aa, which was downregulated in GC cells. We verified that FNDC3B-267aa, rather than circ0003692, inhibited GC migration in vitro and in vivo. Mechanistically, FNDC3B-267aa directly interacted with c-Myc and promoted proteasomal degradation of c-Myc, resulting in the downregulation of c-Myc-Snail/Slug axis. CONCLUSIONS Our study revealed that the novel protein FNDC3B-267aa encoded by circ0003692 suppressed GC metastasis through binding to c-Myc and enhancing proteasome-mediated degradation of c-Myc. The study offers the potential applications of circ0003692 or FNDC3B-267aa as therapeutic targets for GC.
Collapse
Affiliation(s)
- Yu-Ying Liu
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Yu-Ying Zhang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Ling-Yu Ran
- Department of Kidney, Southwest Hospital, Army Medical University, Chongqing, 400038, P.R. China
| | - Bo Huang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Jun-Wu Ren
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Qiang Ma
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Xiao-Juan Pan
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Fei-Fei Yang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Ce Liang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Xiao-Lin Wang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Shi-Min Wang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Ai Ran
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Hao Ning
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Yan Jiang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Chang-Hong Qin
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Bin Xiao
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, P.R. China.
| |
Collapse
|
41
|
Li Y, Wang Z, Yang J, Sun Y, He Y, Wang Y, Chen X, Liang Y, Zhang N, Wang X, Zhao W, Hu G, Yang Q. CircTRIM1 encodes TRIM1-269aa to promote chemoresistance and metastasis of TNBC via enhancing CaM-dependent MARCKS translocation and PI3K/AKT/mTOR activation. Mol Cancer 2024; 23:102. [PMID: 38755678 PMCID: PMC11097450 DOI: 10.1186/s12943-024-02019-6] [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: 03/15/2024] [Accepted: 05/08/2024] [Indexed: 05/18/2024] Open
Abstract
Peptides and proteins encoded by noncanonical open reading frames (ORFs) of circRNAs have recently been recognized to play important roles in disease progression, but the biological functions and mechanisms of these peptides and proteins are largely unknown. Here, we identified a potential coding circular RNA, circTRIM1, that was upregulated in doxorubicin-resistant TNBC cells by intersecting transcriptome and translatome RNA-seq data, and its expression was correlated with clinicopathological characteristics and poor prognosis in patients with TNBC. CircTRIM1 possesses a functional IRES element along with an 810 nt ORF that can be translated into a novel endogenously expressed protein termed TRIM1-269aa. Functionally, we demonstrated that TRIM1-269aa, which is involved in the biological functions of circTRIM1, promoted chemoresistance and metastasis in TNBC cells both in vitro and in vivo. In addition, we found that TRIM1-269aa can be packaged into exosomes and transmitted between TNBC cells. Mechanistically, TRIM1-269aa enhanced the interaction between MARCKS and calmodulin, thus promoting the calmodulin-dependent translocation of MARCKS, which further initiated the activation of the PI3K/AKT/mTOR pathway. Overall, circTRIM1, which encodes TRIM1-269aa, promoted TNBC chemoresistance and metastasis by enhancing MARCKS translocation and PI3K/AKT/mTOR activation. Our investigation has yielded novel insights into the roles of protein-coding circRNAs and supported circTRIM1/TRIM1-269aa as a novel promising prognostic and therapeutic target for patients with TNBC.
Collapse
Affiliation(s)
- Yaming Li
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Zekun Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Jingwen Yang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Yuhan Sun
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Yinqiao He
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Yuping Wang
- School of Basic Medicine, Jining Medical College, Jining, Shandong, 272067, China
| | - Xi Chen
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Yiran Liang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Ning Zhang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Xiaolong Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Wenjing Zhao
- Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Guohong Hu
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031, China.
| | - Qifeng Yang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
- Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
- Research Institute of Breast Cancer, Shandong University, Jinan, Shandong, 250012, China.
| |
Collapse
|
42
|
Chen Q, Zhang W, Wu X, Chen S. Expression of circRNA-0036474 in esophageal cancer and its clinical significance. Am J Cancer Res 2024; 14:2228-2239. [PMID: 38859827 PMCID: PMC11162681 DOI: 10.62347/qbqr9337] [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: 12/04/2023] [Accepted: 03/27/2024] [Indexed: 06/12/2024] Open
Abstract
Circular RNAs are considered to play important roles in the progression of different cancers such as esophageal squamous cell carcinoma. However, the functions of circular RNAs in esophageal squamous cell carcinoma are still not clear. This study aimed to investigate the role and mechanism of circRNA-0036474 in the progression of esophageal squamous cell carcinoma. The hsa_circ_0036474 expression levels were found to be elevated in both EC109 cells and esophageal squamous cell carcinoma tissue samples. Moreover, knockdown of circRNA-0036474 expression in the EC109 cells induced migration and invasion, characterized by the down-regulation of E-cadherin, and up-regulation of N-cadherin and vimentin. In addition, the over-expressed hsa_circ_0036474 significantly decreased the activity of EC109 cells, elevated E-cadherin expression but declined N-cadherin and vimentin expression. Moreover, over-expressed mir-223-3p levels and interfered RERG expression verified the role of hsa_circ_0036474 in inhibiting the invasion and migration of EC109 cells, reducing the expression of N-cadherin and vimentin, and promoting the expression of E-cadherin. In conclusion, circRNA-0036474 mitigated the progression of esophageal squamous cell carcinoma through regulating mir-223-3p/RERG axis, presenting a potential therapeutic target for the treatment.
Collapse
Affiliation(s)
- Qiang Chen
- Department of Surgical Oncology, Henan Key Laboratory of Cancer Epigenetics, Cancer Institute, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology Luoyang, Henan, China
| | - Weiguo Zhang
- Department of Surgical Oncology, Henan Key Laboratory of Cancer Epigenetics, Cancer Institute, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology Luoyang, Henan, China
| | - Xiaopeng Wu
- Department of Surgical Oncology, Henan Key Laboratory of Cancer Epigenetics, Cancer Institute, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology Luoyang, Henan, China
| | - Shuchang Chen
- Department of Surgical Oncology, Henan Key Laboratory of Cancer Epigenetics, Cancer Institute, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology Luoyang, Henan, China
| |
Collapse
|
43
|
Liu H, Jiang Y, Shi R, Hao Y, Li M, Bai J, Wang H, Guan X, Song X, Ma C, Zhang L, Zhao X, Zheng X, Zhu D. Super enhancer-associated circRNA-circLrch3 regulates hypoxia-induced pulmonary arterial smooth muscle cells pyroptosis by formation of R-loop with host gene. Int J Biol Macromol 2024; 268:130853. [PMID: 38570000 DOI: 10.1016/j.ijbiomac.2024.130853] [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: 01/22/2024] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Pulmonary hypertension (PH) is a complex vascular disorder, characterized by pulmonary vessel remodeling and perivascular inflammation. Pulmonary arterial smooth muscle cells (PASMCs) pyroptosis is a novel pathological mechanism implicated of pulmonary vessel remodeling. However, the involvement of circRNAs in the process of pyroptosis and the underlying regulatory mechanisms remain inadequately understood. METHODS Western blotting, PI staining and LDH release were used to explore the role of circLrch3 in PASMCs pyroptosis. Moreover, S9.6 dot blot and DRIP-PCR were used to assess the formation of R-loop between circLrch3 and its host gene Lrch3. Chip-qPCR were used to evaluate the mechanism of super enhancer-associated circLrh3, which is transcriptionally activated by the transcription factor Tbx2. RESULTS CircLrch3 was markedly upregulated in hypoxic PASMCs. CircLrch3 knockdown inhibited hypoxia induced PASMCs pyroptosis in vivo and in vitro. Mechanistically, circLrch3 can form R-loop with host gene to upregulate the protein and mRNA expression of Lrch3. Furthermore, super enhancer interacted with the Tbx2 at the Lrch3 promoter locus, mediating the augmented transcription of circLrch3. CONCLUSION Our findings clarify the role of a super enhancer-associated circLrch3 in the formation of R-loop with the host gene Lrch3 to modulate pyroptosis in PASMCs, ultimately promoting the development of PH.
Collapse
Affiliation(s)
- Huiyu Liu
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Yuan Jiang
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Ruimin Shi
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Yingying Hao
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Mengnan Li
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - June Bai
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Hongdan Wang
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Xiaoyu Guan
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Xinyue Song
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China
| | - Cui Ma
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Medical Laboratory Science and Technology, Harbin Medical University (Daqing), Daqing 163319, PR China
| | - Lixin Zhang
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Medical Laboratory Science and Technology, Harbin Medical University (Daqing), Daqing 163319, PR China
| | - Xijuan Zhao
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Medical Laboratory Science and Technology, Harbin Medical University (Daqing), Daqing 163319, PR China
| | - Xiaodong Zheng
- Department of Genetic And Cell Biology, Harbin Medical University (Daqing), Daqing 163319, PR China
| | - Daling Zhu
- Central Laboratory of Harbin Medical University (Daqing), Daqing 163319, PR China; College of Pharmacy, Harbin Medical University, Harbin 150081, PR China; Key Laboratory of Cardiovascular Medicine Research, Ministry of Education, Harbin Medical University, Harbin 150081, PR China.
| |
Collapse
|
44
|
Li L, Song Q, Zhou J, Ji Q. Controllers of histone methylation-modifying enzymes in gastrointestinal cancers. Biomed Pharmacother 2024; 174:116488. [PMID: 38520871 DOI: 10.1016/j.biopha.2024.116488] [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: 11/23/2023] [Revised: 02/26/2024] [Accepted: 03/19/2024] [Indexed: 03/25/2024] Open
Abstract
Gastrointestinal (GI) cancers have been considered primarily genetic malignancies, caused by a series of progressive genetic alterations. Accumulating evidence shows that histone methylation, an epigenetic modification program, plays an essential role in the different pathological stages of GI cancer progression, such as precancerous lesions, tumorigenesis, and tumor metastasis. Histone methylation-modifying enzymes, including histone methyltransferases (HMTs) and demethylases (HDMs), are the main executor of post-transcriptional modification. The abnormal expression of histone methylation-modifying enzymes characterizes GI cancers with complex pathogenesis and progression. Interactions between upstream controllers and histone methylation-modifying enzymes have recently been revealed, and have provided numerous opportunities to elucidate the pathogenesis of GI cancers in depth and clearly. Here we focus on the association between histone methylation-modifying enzymes and their controllers, aiming to provide a new perspective on the molecular research and clinical management of GI cancers.
Collapse
Affiliation(s)
- Ling Li
- Department of Medical Oncology & Cancer Institute of Integrative Medicine, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qing Song
- Department of Medical Oncology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215007, China
| | - Jing Zhou
- Department of Medical Oncology & Cancer Institute of Integrative Medicine, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Liver Disease Department of Integrative Medicine, Ningbo No.2 Hospital, Ningbo, Zhejiang 315000, China.
| | - Qing Ji
- Department of Medical Oncology & Cancer Institute of Integrative Medicine, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| |
Collapse
|
45
|
Lei K, Liang R, Liang J, Lu N, Huang J, Xu K, Tan B, Wang K, Liang Y, Wang W, Lin H, Wang M. CircPDE5A-encoded novel regulator of the PI3K/AKT pathway inhibits esophageal squamous cell carcinoma progression by promoting USP14-mediated de-ubiquitination of PIK3IP1. J Exp Clin Cancer Res 2024; 43:124. [PMID: 38658954 PMCID: PMC11040784 DOI: 10.1186/s13046-024-03054-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/19/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a common gastrointestinal tumor and has become an important global health problem. The PI3K/AKT signaling pathway plays a key role in the development of ESCC. CircRNAs have been reported to be involved in the regulation of the PI3K/AKT pathway, but the underlying mechanisms are unclear. Therefore, this study aimed to identify protein-coding circRNAs and investigate their functions in ESCC. METHODS Differential expression of circRNAs between ESCC tissues and adjacent normal tissues was identified using circRNA microarray analysis. Thereafter, LC-MS/MS was used to identify circPDE5A-encoded novel protein PDE5A-500aa. Molecular biological methods were used to explore the biological functions and regulatory mechanisms of circPDE5A and PDE5A-500aa in ESCC. Lastly, circRNA-loaded nanoplatforms were constructed to investigate the therapeutic translation value of circPDE5A. RESULTS We found that circPDE5A expression was down-regulated in ESCC cells and tissues and that it was negatively associated with advanced clinicopathological stages and poorer prognosis in ESCC. Functionally, circPDE5A inhibited ESCC proliferation and metastasis in vitro and in vivo by encoding PDE5A-500aa, a key regulator of the PI3K/AKT signaling pathway in ESCC. Mechanistically, PDE5A-500aa interacted with PIK3IP1 and promoted USP14-mediated de-ubiquitination of the k48-linked polyubiquitin chain at its K198 residue, thereby attenuating the PI3K/AKT pathway in ESCC. In addition, Meo-PEG-S-S-PLGA-based reduction-responsive nanoplatforms loaded with circPDE5A and PDE5A-500aa plasmids were found to successfully inhibit the growth and metastasis of ESCC in vitro and in vivo. CONCLUSION The novel protein PDE5A-500aa encoded by circPDE5A can act as an inhibitor of the PI3K/AKT signaling pathway to inhibit the progression of ESCC by promoting USP14-mediated de-ubiquitination of PIK3IP1 and may serve as a potential target for the development of therapeutic agents.
Collapse
Affiliation(s)
- Kai Lei
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Ruihao Liang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Jialu Liang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Nan Lu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China
| | - Jing Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Ke Xu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Binghua Tan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Kexi Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Yicheng Liang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Wenjian Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Huayue Lin
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.
- Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.
| | - Minghui Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.
- Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.
| |
Collapse
|
46
|
Chen R, Zhu S, Zhao R, Liu W, Jin L, Ren X, He H. Targeting ferroptosis as a potential strategy to overcome the resistance of cisplatin in oral squamous cell carcinoma. Front Pharmacol 2024; 15:1402514. [PMID: 38711989 PMCID: PMC11071065 DOI: 10.3389/fphar.2024.1402514] [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: 03/17/2024] [Accepted: 03/29/2024] [Indexed: 05/08/2024] Open
Abstract
Oral squamous cell carcinoma (OSCC) is a crucial public health problem, accounting for approximately 2% of all cancers globally and 90% of oral malignancies over the world. Unfortunately, despite the achievements in surgery, radiotherapy, and chemotherapy techniques over the past decades, OSCC patients still low 5-year survival rate. Cisplatin, a platinum-containing drug, serves as one of the first-line chemotherapeutic agents of OSCC. However, the resistance to cisplatin significantly limits the clinical practice and is a crucial factor in tumor recurrence and metastasis after conventional treatments. Ferroptosis is an iron-based form of cell death, which is initiated by the intracellular accumulation of lipid peroxidation and reactive oxygen species (ROS). Interestingly, cisplatin-resistant OSCC cells exhibit lower level of ROS and lipid peroxidation compared to sensitive cells. The reduced ferroptosis in cisplatin resistance cells indicates the potential relationship between cisplatin resistance and ferroptosis, which is proved by recent studies showing that in colorectal cancer cells. However, the modulation pathway of ferroptosis reversing cisplatin resistance in OSCC cells still remains unclear. This article aims to concisely summarize the molecular mechanisms and evaluate the relationship between ferroptosis and cisplatin resistance OSCC cells, thereby providing novel strategies for overcoming cisplatin resistance and developing new therapeutic approaches.
Collapse
Affiliation(s)
- Rongkun Chen
- Yunnan Key Laboratory of Stomatology, School of Stomatology, Kunming Medical University, Kunming, China
- Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming Medical University, Kunming, China
| | - Shuyu Zhu
- Department of Oral Implantology, Kunming Medical University School and Hospital of Stomatology, Kunming Medical University, Kunming, China
| | - Ruoyu Zhao
- Yunnan Key Laboratory of Stomatology, School of Stomatology, Kunming Medical University, Kunming, China
- Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming Medical University, Kunming, China
| | - Wang Liu
- Yunnan Key Laboratory of Stomatology, School of Stomatology, Kunming Medical University, Kunming, China
- Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming Medical University, Kunming, China
| | - Luxin Jin
- Yunnan Key Laboratory of Stomatology, School of Stomatology, Kunming Medical University, Kunming, China
- Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming Medical University, Kunming, China
| | - Xiaobin Ren
- Yunnan Key Laboratory of Stomatology, School of Stomatology, Kunming Medical University, Kunming, China
- Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming Medical University, Kunming, China
| | - Hongbing He
- Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming Medical University, Kunming, China
| |
Collapse
|
47
|
Zhang X, Ma L, Wan L, Wang H, Wang Z. Circ_0003945: an emerging biomarker and therapeutic target for human diseases. Front Oncol 2024; 14:1275009. [PMID: 38711855 PMCID: PMC11070578 DOI: 10.3389/fonc.2024.1275009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 03/29/2024] [Indexed: 05/08/2024] Open
Abstract
Due to the rapid development of RNA sequencing techniques, a circular non-coding RNA (ncRNA) known as circular RNAs (circRNAs) has gradually come into focus. As a distinguished member of the circRNA family, circ_0003945 has garnered attention for its aberrant expression and biochemical functions in human diseases. Subsequent studies have revealed that circ_0003945 could regulate tumor cells proliferation, migration, invasion, apoptosis, autophagy, angiogenesis, drug resistance, and radio resistance through the molecular mechanism of competitive endogenous RNA (ceRNA) during tumorigenesis. The expression of circ_0003945 is frequently associated with some clinical parameters and implies a poorer prognosis in the majority of cancers. In non-malignant conditions, circ_0003945 also holds considerable importance in diseases pathogenesis. This review aims to recapitulate molecular mechanism of circ_0003945 and elucidates its potential as a diagnostic and therapeutic target in neoplasms and other diseases.
Collapse
Affiliation(s)
- Xiaofei Zhang
- Cancer Medical Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Li Ma
- Cancer Medical Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Li Wan
- Department of Oncology, The Affiliated Huai’an No.1 People’s Hospital of Nanjing Medical University, Huai’an, China
| | - Haoran Wang
- Division of Spine Surgery, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Zhaoxia Wang
- Cancer Medical Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| |
Collapse
|
48
|
Liu Y, Jiang H, Hu K, Zou H, Zhang W, Liu J, Jian X. CircPRMT5 promotes progression of osteosarcoma by recruiting CNBP to regulate the translation and stability of CDK6 mRNA. PLoS One 2024; 19:e0298947. [PMID: 38626179 PMCID: PMC11020494 DOI: 10.1371/journal.pone.0298947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 02/01/2024] [Indexed: 04/18/2024] Open
Abstract
Research has demonstrated that circular RNAs (circRNAs) exert critical functions in the occurrence and progression of numerous malignant tumors. CircPRMT5 was recently reported to be involved in the pathogenesis of cancers. However, the potential role of circPRMT5 in osteosarcoma needs further investigation. In present study, our results suggested that circPRMT5 was highly upregulated in osteosarcoma cells and mainly localizes in the cytoplasm. CircPRMT5 promoted the proliferation, migration and invasion capacities of osteosarcoma cells, and suppressed cell apoptosis. Knockdown of circPRMT5 exerted the opposite effects. Mechanically, circPRMT5 promoted the binding of CNBP to CDK6 mRNA, which enhanced the stability of CDK6 mRNA and facilitated its translation, thereby promoting the progression of osteosarcoma. Knockdown of CDK6 reversed the promoting effect of circPRMT5 on osteosarcoma cells. These findings suggest that circPRMT5 promotes osteosarcoma cell malignant activity by recruiting CNBP to regulate the translation and stability of CDK6 mRNA. Thus, circPRMT5 may represent a promising therapeutic target for osteosarcoma.
Collapse
Affiliation(s)
- Yunlu Liu
- Department of Orthopedics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China
| | - Hongyan Jiang
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Keli Hu
- Department of Orthopedics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China
| | - Hui Zou
- Department of Orthopedics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China
| | - Weiguo Zhang
- Department of Orthopedics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China
| | - Jiangtao Liu
- Department of Orthopedics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China
| | - Xiaofei Jian
- Department of Orthopedics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China
| |
Collapse
|
49
|
Liu J, Shao Y, Li C. YTHDC1/CRM1 Facilitates m6A-Modified circRNA388 Nuclear Export to Induce Coelomocyte Autophagy via the miR-2008/ULK Axis in Apostichopus japonicus. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1319-1333. [PMID: 38426898 DOI: 10.4049/jimmunol.2300761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 02/13/2024] [Indexed: 03/02/2024]
Abstract
N 6-methyladenosine (m6A), the most prevalent internal modification in eukaryotic RNA, was able to mediate circular RNA (circRNA) function in many immune processes. Nevertheless, the functional role of m6A-modified circRNAs in innate immunity of invertebrates remained unclear. In this study, we identified m6A-modified circRNA388 from cultured sea cucumber (Apostichopus japonicus) coelomocytes, which was mainly detected in cytoplasm after Vibrio splendidus infection. A knockdown assay indicated that cytoplasm circRNA388 promoted coelomocyte autophagy and decreased the number of intracellular V. splendidus. Mechanistically, the circRNA388 in the cytoplasm directly sponged miR-2008 to block its interaction with Unc-51-like kinase 1 from A. japonicus (AjULK) and further promoted autophagy to resist V. splendidus infection. More importantly, we found that m6A modification was vital to circRNA388 nuclear export with YTH domain-containing protein 1 from A. japonicus (AjYTHDC1) as the reader. AjYTHDC1 facilitated the nuclear export of m6A-modified circRNA388 via interaction with exportin-1 (chromosomal maintenance 1) from A. japonicus (AjCRM1). Knockdown of AjCRM1 could significantly decrease the content of cytoplasm circRNA388. Overall, our results provide the first evidence that nuclear export of m6A-modified circRNA388 is dependent on the novel AjCRM1 to our knowledge, which was further promoted coelomocyte autophagy by miR-2008/AjULK axis to clear intracellular V. splendidus.
Collapse
Affiliation(s)
- Jiqing Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, China
| | - Yina Shao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, China
| | - Chenghua Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| |
Collapse
|
50
|
Ni X, Duan L, Bao Y, Li J, Zhang X, Jia D, Wu N. Circ_005077 accelerates myocardial lipotoxicity induced by high-fat diet via CyPA/p47PHOX mediated ferroptosis. Cardiovasc Diabetol 2024; 23:129. [PMID: 38622592 PMCID: PMC11020354 DOI: 10.1186/s12933-024-02204-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/14/2024] [Indexed: 04/17/2024] Open
Abstract
The long-term high-fat diet (HFD) can cause myocardial lipotoxicity, which is characterized pathologically by myocardial hypertrophy, fibrosis, and remodeling and clinically by cardiac dysfunction and heart failure in patients with obesity and diabetes. Circular RNAs (circRNAs), a novel class of noncoding RNA characterized by a ring formation through covalent bonds, play a critical role in various cardiovascular diseases. However, few studies have been conducted to investigate the role and mechanism of circRNA in myocardial lipotoxicity. Here, we found that circ_005077, formed by exon 2-4 of Crmp1, was significantly upregulated in the myocardium of an HFD-fed rat. Furthermore, we identified circ_005077 as a novel ferroptosis-related regulator that plays a role in palmitic acid (PA) and HFD-induced myocardial lipotoxicity in vitro and in vivo. Mechanically, circ_005077 interacted with Cyclophilin A (CyPA) and inhibited its degradation via the ubiquitination proteasome system (UBS), thus promoting the interaction between CyPA and p47phox to enhance the activity of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase responsible for ROS generation, subsequently inducing ferroptosis. Therefore, our results provide new insights into the mechanisms of myocardial lipotoxicity, potentially leading to the identification of a novel therapeutic target for the treatment of myocardial lipotoxicity in the future.
Collapse
Affiliation(s)
- Xinzhu Ni
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, P.R. China
| | - Lian Duan
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, P.R. China
| | - Yandong Bao
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, P.R. China
| | - Jinyang Li
- Department of Geriatric Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China
| | - Xiaowen Zhang
- Medical Research Center, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China.
| | - Dalin Jia
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, P.R. China.
| | - Nan Wu
- Department of Central Laboratory, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China.
| |
Collapse
|