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Chen Y, Chen L, Wu J, Su D. Hsa_circ_0087862 contributes to the progression of colorectal cancer through regulating miR-512-3p/HK2 axis. Pathol Res Pract 2024; 257:155281. [PMID: 38669868 DOI: 10.1016/j.prp.2024.155281] [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: 09/21/2023] [Revised: 03/15/2024] [Accepted: 03/30/2024] [Indexed: 04/28/2024]
Abstract
BACKGROUND Colorectal cancer (CRC) theratened thousands of people every year. Emerging evidences suggested that circular RNAs (circRNAs) were involved in CRC malignancies. However, the underlying mechanisms have yet not been revealed. METHODS Quantitative real-time PCR (qRT-PCR) was used to determine the expression of circ_0087862 and microRNA-512-3p (miR-512-3p). Western blot was performed to measure the protein expression of hexokinase 2 (HK2), B-cell lymphoma-2 (Bcl-2), BCL2-associated X (Bax) and BCL2 antagonist/killer 1 (Bak). Moreover, 3-(4, 5-dimethyl-2-thiazolyl)-2, 5-diphenyl-2-H-tetrazolium bromide (MTT) assay, colony formation and 5-ethynyl-2'-deoxyuridine (EdU) assay were employed to assess CRC cell proliferation. Also, migration/invasion abilities and apoptosis rates were investigated by transwell assay and flow cytometry. Glucose consumption, lactate production and ATP production were detected using the corresponding kits. Dual-luciferase reporter analysis and RNA immunoprecipitation (RIP) experiments were utilized to analyze the target association of miR-512-3p and circ_0087862 or HK2. Finally, xenograft assay was carried out to analyze the function of circ_0087862 in tumor growth in vivo. RESULTS Circ_0087862 expression was elevated in CRC tissues and cells. Circ_0087862 silencing repressed cell viabilities, proliferation, migration/invasion and glycolysis, and reinforced cell apoptosis. However, HK2 could weaken these impacts. Additionally, miR-512-3p targeted HK2, and circ_0087862 could regulate HK2 expression by miR-512-3p. Furthermore, circ_0087862 silencing decreased CRC cell xenograft tumor growth. CONCLUSION Collectively, our data suggested that circ_0087862 knockdown impeded cell viabilities, proliferation, and glycolysis, and contributed to cell apoptosis in CRC, indicating circ_0087862 as a promising tumor promoter.
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Affiliation(s)
- Yu Chen
- Department of Gastroenterology, The First Affiliated Hospital of Hubei University of Science and Technology, The Central Hospital of Xianning, Xianning, China
| | - Lu Chen
- Department of Gastroenterology, The First Affiliated Hospital of Hubei University of Science and Technology, The Central Hospital of Xianning, Xianning, China
| | - Jieyun Wu
- Department of Gastroenterology, The First Affiliated Hospital of Hubei University of Science and Technology, The Central Hospital of Xianning, Xianning, China
| | - Dazhi Su
- Department of Gastroenterology, The First Affiliated Hospital of Hubei University of Science and Technology, The Central Hospital of Xianning, Xianning, China.
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He H, Li T. Hsa_circ_0000190 Promotes NSCLC Cell Resistance to Cisplatin via the Modulation of the miR-1253/IL-6 Axis. Anal Cell Pathol (Amst) 2024; 2024:6647810. [PMID: 38440120 PMCID: PMC10911877 DOI: 10.1155/2024/6647810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/10/2023] [Accepted: 01/24/2024] [Indexed: 03/06/2024] Open
Abstract
Background This study explored the mechanistic basis for nonsmall cell lung cancer (NSCLC) cisplatin (DDP) treatment resistance in an effort to define effective approaches to abrogating the emergence of such chemoresistance. Methods Analyses of NSCLC expression of hsa_circ_0000190, miR-1253, and interleukin 6 (IL-6) were conducted via a quantitative real-time polymerase chain reaction (qPCR) approach, while the ability of these tumor cells to resist DDP treatment was evaluated with a CCK-8 assay. Interactions between different RNA molecules were assessed using both RNA immunoprecipitation and dual-luciferase reporter assays. Results NSCLC cell lines and tissues resistant to DDP were found to express higher levels of hsa_circ_0000190, and knocking down this circRNA in NSCLC cells was associated with greater sensitivity to DDP exposure. Further research identified miR-1253 as a hsa_circ_0000190 target, with the ability of hsa_circ_0000190 knockdown to restore DDP sensitivity being largely attributable to the ability of this circRNA to suppress miR-1253 activity. IL-6 was identified as a major miR-1253 target in this context, with miR-1253 regulating chemoresistance in NSCLC cells in part by preventing IL-6 upregulation. Conclusion Together, these data suggest that hsa_circ_0000190 can promote DDP chemoresistance in NSCLC cells through its ability to modulate miR-1253/IL-6 axis activity, highlighting a novel pathway that can be targeted in an effort to guide the more effective diagnosis and management of DDP-resistant tumors.
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Affiliation(s)
- Hua He
- Department of Respiratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, No. 215, Guangzhou Road, Nanjing 210029, China
| | - Tian Li
- Department of Respiratory, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, No. 215, Guangzhou Road, Nanjing 210029, China
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Weidle UH, Birzele F. Circular RNA in Non-small Cell Lung Carcinoma: Identification of Targets and New Treatment Modalities. Cancer Genomics Proteomics 2023; 20:646-668. [PMID: 38035705 PMCID: PMC10687737 DOI: 10.21873/cgp.20413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/19/2023] [Accepted: 09/25/2023] [Indexed: 12/02/2023] Open
Abstract
Despite availability of several treatment options for non-small cell lung cancer (NSCLC), such as surgery, chemotherapy, radiation, targeted therapy and immunotherapy, the survival rate of patients for five years is in the range of 22%. Therefore, identification of new targets and treatment modalities for this disease is an important issue. In this context, we screened the PubMed database for up-regulated circular RNAs (circRNAs) which promote growth of NSCLC in preclinical models in vitro as well as in vivo xenograft models in immuno-compromised mice. This approach led to potential targets for further validation and inhibition with small molecules or antibody-derived entities. In case of preclinical validation, the corresponding circRNAs can be inhibited with small interfering RNAs (siRNA) or short hairpin RNAs (shRNA). The identified circRNAs act by sponging microRNAs (miRs) preventing cleavage of the mRNA of the corresponding targets. We identified nine circRNAs up-regulating transmembrane receptors, five circRNAs increasing expression of secreted proteins, nine circRNAs promoting expression of components of signaling pathways, six circRNAs involved in regulation of splicing and RNA processing, six circRNAs up-regulating actin-related and RNA processing components, seven circRNAs increasing the steady-state levels of transcription factors, two circRNAs increasing high-mobility group proteins, four circRNAs increasing components of the epigenetic modification system and three circRNAs up-regulating protein components of additional systems.
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Affiliation(s)
- Ulrich H Weidle
- Roche Pharma Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany;
| | - Fabian Birzele
- Roche Pharma Research and Early Development, Pharmaceutical Sciences, Roche Innovation Center Basel, Basel, Switzerland
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4
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Yang T, Qiu L, Jiang Y, Bai H, Bi Y, Wang Z, Chen G, Chang G. Identification, biogenesis, and function prediction of a novel circRNA_3238 of chicken. Anim Biotechnol 2023; 34:2527-2536. [PMID: 35875943 DOI: 10.1080/10495398.2022.2102504] [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] [Indexed: 11/01/2022]
Abstract
With the development of high-throughput sequencing, circular RNA has come into people's vision and attracted more and more attention. Many studies have found that circular RNA plays an important role in a variety of biological processes and the occurrence and development of diseases. According to the previous sequencing results, circRNA_3238 was differentially expressed in ALV-J infected group and the non-infected group was selected for subsequent verification and analysis. We found that circRNA_3238 is a stable, circular transcript, which mainly exists in the cytoplasm. And it is widely expressed in various tissues of chickens, and highly expressed in lung, lymph, and bursa of fabricius. Bioinformatics results show that circRNA_3238 and the predicted target genes enriched MAPK signaling pathway, Notch signaling pathway, and other pathways related to disease or immune, revealing circRNA_3238 may indirectly regulate the process of ALV-J infection by regulating target genes.
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Affiliation(s)
- Ting Yang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Lingling Qiu
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yong Jiang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Hao Bai
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education, Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou, China
| | - Yulin Bi
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Zhixiu Wang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Guohong Chen
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education, Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou, China
| | - Guobin Chang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
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Shi Q, Ji T, Ma Z, Tan Q, Liang J. Serum Exosomes-Based Biomarker circ_0008928 Regulates Cisplatin Sensitivity, Tumor Progression, and Glycolysis Metabolism by miR-488/ HK2 Axis in Cisplatin-Resistant Nonsmall Cell Lung Carcinoma. Cancer Biother Radiopharm 2023; 38:558-571. [PMID: 33661058 DOI: 10.1089/cbr.2020.4490] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background: Nonsmall cell lung carcinoma (NSCLC) is a major cause of cancer-related death worldwide. The resistance of NSCLC to chemical drugs, such as cisplatin (CDDP), poses a heavy burden for NSCLC therapy. Herein, the effects of circular_0008928 (circ_0008928) on the CDDP sensitivity and biological behavior of CDDP-resistant NSCLC cells and underlying mechanism are revealed. Materials and Methods: The expression of circ_0008928 and microRNA-488 (miR-488) was detected by quantitative real-time polymerase chain reaction. The expression of hexokinase 2 (HK2) protein and exosome-specific proteins was determined by Western blot. The half-maximal inhibitory concentration (IC50) value of CDDP was detected by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Cell proliferation and migratory and invasive abilities were illustrated by cell counting kit-8 and transwell assays. Cell glycolysis metabolism was illustrated by extracellular acidification rate assay, glucose kit and lactate kit assays and Western blot analysis. The binding sites between miR-488 and circ_0008928 or HK2 were predicted by starbase or microT-CDS online database, and identified by dual-luciferase reporter and RNA immunoprecipitation assays. Results: Circ_0008928 expression and HK2 protein expression were significantly upregulated, while miR-488 expression was obviously downregulated in NSCLC cells and CDDP-resistant NSCLC cells. Circ_0008928 expression was increased in serum exosomes of CDDP-resistant NSCLC patients compared with CDDP-sensitive NSCLC patients. In addition, circ_0008928 silencing improved CDDP sensitivity and attenuated CDDP-induced cell proliferation, migration, invasion, and glycolysis metabolism. Circ_0008928 was a sponge of miR-488, and miR-488 bound to HK2 in CDDP-resistant NSCLC cells. Furthermore, both miR-488 inhibitor and HK2 overexpression attenuated circ_0008928 absence-mediated impacts on CDDP sensitivity and tumor process in CDDP-resistant NSCLC. Conclusions: Circ_0008928 knockdown improved CDDP sensitivity and hindered cell proliferation, migration, invasion, and glycolysis metabolism by miR-488/HK2 axis in CDDP-resistant NSCLC. This finding provides a new mechanism for studying CDDP-resistant therapy in NSCLC.
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Affiliation(s)
- Qiaojing Shi
- Department of Oncology, Affiliated Hospital of Xiangnan University, Chenzhou, China
| | - Tao Ji
- Department of Thoracic Cardiovascular Surgery, General Hospital of Central Theater Command of People's Liberation Army, Wuhan, China
| | - Zhongxia Ma
- Department of Thoracic Surgery, Lung Cancer Diagnosis and Treatment Center, The First People's Hospital of Chenzhou, The First Affiliated Hospital of Xiangnan University, Chenzhou, China
| | - Qiang Tan
- Department of Oncology, Affiliated Hospital of Xiangnan University, Chenzhou, China
| | - Jiangshui Liang
- Department of Thoracic Surgery, Lung Cancer Diagnosis and Treatment Center, The First People's Hospital of Chenzhou, The First Affiliated Hospital of Xiangnan University, Chenzhou, China
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Xiao W, Li P. Circ_0087862 promotes tumorigenesis and glycolysis in colorectal cancer by sponging miR-296-3p to regulate PGK1 expression. Pathol Res Pract 2023; 248:154695. [PMID: 37494801 DOI: 10.1016/j.prp.2023.154695] [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: 11/16/2022] [Revised: 06/13/2023] [Accepted: 07/14/2023] [Indexed: 07/28/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) exert crucial roles in tumor progression of multiple cancers, including colorectal cancer (CRC). However, the functions of most circRNAs are not been fully elucidated. In this study, the role and mechanism of circ_0087862 in CRC were investigated. METHODS The expression of circ_0087862, microRNA-296-3p (miR-296-3p) and phosphoglycerate kinase 1 (PGK1) was detected by quantitative real-time PCR (qRT-PCR). Cell Counting Kit-8 (CCK-8) assay and 5-ethynyl-2'-deoxyuridine (EdU) assay were used to assess cell proliferation. Flow cytometry was employed to analyze cell apoptosis. Transwell assay was employed to evaluate cell invasion. Western blot assay was employed to detect the level of related protein markers and PGK1. The glucose consumption, lactate production were tested by corresponding kits. The relationship between miR-296-3p and circ_0087862 or PGK1 was verified by dual-luciferase reporter assay or RNA immunoprecipitation (RIP) assay. The in vivo function of circ_0087862 was examined by xenograft mice model. RESULTS The expression levels of circ_0087862 and PGK1 were up-regulated in CRC tissues and cells, while miR-296-3p was down-regulated. Circ_0087862 silencing suppressed cell proliferation, invasion and glycolysis and promoted cell apoptosis in CRC cells. Circ_0087862 targeted miR-296-3p in CRC cells. MiR-296-3p inhibition reversed circ_0087862 silencing-mediated inhibition effect on cell proliferation, invasion and glycolysis, as well as the promotion effect on cell apoptosis. PGK1 was a target of miR-296-3p, and the overexpression of PGK1 attenuated miR-296-3p-mediated tumor suppression effect on CRC progression. Moreover, knockdown of circ_0087862 inhibited tumorigenesis in vivo. CONCLUSION Circ_0087862 promoted CRC progression via miR-296-3p/PGK1 axis and might act as a potential target for CRC therapy.
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Affiliation(s)
- Weisheng Xiao
- Department of Gastroenterology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Peiyuan Li
- Department of Gastroenterology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China.
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Wu F, Wang Z, Zhou W, Liu Y, Shi H, Gou X, Li H, Lin Y, Li C, Liu Y. Genome-wide identification and characterization of circRNAs in wheat tiller. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:102. [PMID: 37027036 DOI: 10.1007/s00122-023-04277-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/18/2022] [Indexed: 05/13/2023]
Abstract
KEY MESSAGE This study found that the intergenic circRNAs of wheat were more abundant than those of other plants. More importantly, a circRNA-mediated network associated with tillering was constructed for the first time. Circular RNAs (circRNAs) are a class of endogenous non-coding RNAs with covalently closed circular structures, which play an important role in transcriptional and post-transcriptional regulation. Tiller is an important agronomic trait that determines plant morphological architecture and affects spike number in wheat. However, no studies on the characteristics and functions of circRNAs involved in the regulation of wheat tiller. Here, we performed a genome-wide identification of circRNAs using ribosomal-depleted RNA-seq from wheat tiller of two pairs near-isogenic lines. A total of 686 circRNAs were identified and distributed on 21 chromosomes of wheat, of which 537 were novel circRNAs. Unlike other plants, the majority of these circRNAs (61.8%) were derived from intergenic regions. One circRNA-mediated network associated with tillering was constructed through weighted gene co-expression network analysis, including 323 circRNAs, 117 miRNAs, and 968 mRNAs. GO and pathway enrichment analysis of mRNAs suggested that these circRNAs are involved in cell cycle, ncRNA export from nucleus, developmental process, plant hormone signal transduction, MAPK signaling pathway, RNA degradation. Of these circRNAs, ten circRNAs are associated with known tillering/branching genes in rice or Arabidopsis thaliana, including OsCesA7, EBR1, DTE1, CRD1, LPA1, PAY1, LRK1, OsNR2, OsCCA1, OsBZR1. In summary, we present the first study of the identification and characterization of circRNAs in wheat tiller, and the results suggest these circRNAs associated with tillering could play an important role in wheat tiller formation and development.
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Affiliation(s)
- Fangkun Wu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Zhiqiang Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Wanlin Zhou
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Yan Liu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Haoran Shi
- Chengdu Academy of Agricultural and Forestry Sciences, Wenjiang, Sichuan, China
| | - Xiangjian Gou
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Haojie Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Yu Lin
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Caixia Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Yaxi Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Wenjiang, Chengdu, 611130, China.
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China.
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Jin M, Wang Y, Zhou D, Liu W, Han R, Chi Y. Downregulation of circ-YES1 suppresses NSCLC migration and proliferation through the miR-142-3p-HMGB1 axis. Respir Res 2023; 24:100. [PMID: 37009887 PMCID: PMC10069124 DOI: 10.1186/s12931-023-02378-6] [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: 11/26/2022] [Accepted: 02/28/2023] [Indexed: 04/04/2023] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) are a new family of abundant regulatory RNAs with roles in various types of cancer. While the hsa_circ_0046701 (circ-YES1) function in non-small cell lung cancer (NSCLC) is unclear. METHODS Circ-YES1 expression in normal pulmonary epithelial and NSCLC cells was examined. The small interfering RNA for circ-YES1 was prepared, cell proliferation and migration were assessed. Tumorigenesis in nude mice was assayed to validate the role of circ-YES1. Bioinformatics analyses and luciferase reporter assays were utilized to identify downstream targets of circ-YES1. RESULTS Compared to normal pulmonary epithelial cells, the circ-YES1 expression increased in NSCLC cells, and cell proliferation and migration were suppressed after circ-YES1 knockdown. Both high mobility group protein B1 (HMGB1) and miR-142-3p were found to be downstream targets of circ-YES1, and miR-142-3p inhibition and HMGB1 overexpression reversed the effects of circ-YES1 knockdown on cell proliferation and migration. Similarly, HMGB1 overexpression reversed the miR-142-3p overexpression effects on these two processes. The imaging experiment results revealed that circ-YES1 knockdown impeded tumor development and metastasis in a nude mouse xenograft model. CONCLUSION Taken together, our results show that circ-YES1 promotes tumor development through the miR-142-3p-HMGB1 axis and support the development of circ-YES1 probability as a new therapeutic NSCLC target.
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Affiliation(s)
- Mingming Jin
- Shanghai Key Laboratory of Molecular Imaging, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, 201318 People’s Republic of China
| | - Yan Wang
- Department of Clinical Lab, Shanghai Health Commission Key Lab of Artificial Intelligence (AI)-Based Management of Inflammation and Chronic Diseases, Sino-French Cooperative Central Lab, Shanghai Pudong Gongli Hospital, Secondary Military Medical University, Shanghai, 200135 People’s Republic of China
| | - Dawei Zhou
- Department of Ultrasonics, Shanghai Baoshan Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 201901 People’s Republic of China
| | - Wanchao Liu
- Department of Clinical Laboratory, Baoshan District Integrative Medicine Hospital, Shanghai, Shanghai 201901 People’s Republic of China
| | - Ruodong Han
- Department of Critical Care Medicine, The Affiliated Bozhou Hospital of Anhui Medical University, Bozhou, 236800 People’s Republic of China
| | - Yongbin Chi
- Department of Clinical Lab, Shanghai Health Commission Key Lab of Artificial Intelligence (AI)-Based Management of Inflammation and Chronic Diseases, Sino-French Cooperative Central Lab, Shanghai Pudong Gongli Hospital, Secondary Military Medical University, Shanghai, 200135 People’s Republic of China
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Zhang Z, Huang Y, Guo AY, Yang L. Research progress of circular RNA molecules in aging and age-related diseases. Ageing Res Rev 2023; 87:101913. [PMID: 36934850 DOI: 10.1016/j.arr.2023.101913] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/05/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023]
Abstract
Circular RNAs (circRNAs) are a class of single-chain endogenous closed circular RNAs that do not have a poly(A) tail at the 3' end and a cap structure at the 5' end and are connected end-to-end by covalent bonds. CircRNAs, which are pervasive, diverse, stable, and conversed, have functions in transcriptional control and protein translation and play vital roles in modulating cell senescence, individual aging, as well as the occurrence and development of age-related diseases. Studies in recent years were reviewed from aspects including the biosynthesis mechanisms, classification, expression, biomedical functions, associations with aging and age-related diseases, and potential clinical applications of circRNAs. It will provide the theoretic basis for exploring the molecular biological mechanisms of aging, using circRNA as the therapeutic target to delay aging, and finding therapeutic strategies to prevent and treat age-related diseases.
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Affiliation(s)
- Zhidan Zhang
- Departments of Infectious Disease, The First Hospital of China Medical University, Shenyang, PR China
| | - Yuling Huang
- Departments of Geriatrics, The First Hospital of China Medical University, Shenyang, PR China
| | - AYao Guo
- Department of Breast Surgery, The First Hospital of China Medical University, Shenyang, PR China.
| | - Lina Yang
- Departments of Geriatrics, The First Hospital of China Medical University, Shenyang, PR China.
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Sun C, Guan H, Li J, Gu Y. circ_0000376 knockdown suppresses non-small cell lung cancer cell tumor properties by the miR-545-3p/PDPK1 pathway. Open Med (Wars) 2023; 18:20230641. [PMID: 36820067 PMCID: PMC9938644 DOI: 10.1515/med-2023-0641] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 12/16/2022] [Accepted: 12/23/2022] [Indexed: 02/18/2023] Open
Abstract
Non-small cell lung cancer (NSCLC) accounts for 80% of total lung cancers, which are the main killer of cancer-related death worldwide. Circular RNA (circRNA) has been found to modulate NSCLC development. However, the role of circ_0000376 in NSCLC development has been underreported. The present work showed that circ_0000376 and 3-phos-phoinositide-dependent protein kinase-1 (PDPK1) expression were dramatically increased, but miR-545-3p was decreased in NSCLC tissues and cells. circ_0000376 expression was closely associated with lymph node metastasis, tumor-node-metastasis stage, and tumor size of NSCLC patients. circ_0000376 knockdown repressed NSCLC cell proliferation, migration, invasion, and glutaminolysis but induced cell apoptosis. Additionally, miR-545-3p bound to circ_0000376, and circ_0000376 regulated cell phenotypes by associating with miR-545-3p. MiR-545-3p also participated in NSCLC cell proliferation, migration, invasion, apoptosis, and glutaminolysis by targeting PDPK1. Further, circ_0000376 absence repressed tumor formation in vivo. Collectively, circ_0000376 regulated NSCLC cell tumor properties by the miR-545-3p/PDPK1 axis, suggesting that circ_0000376 could be employed as a therapeutic target for NSCLC.
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Affiliation(s)
- Changpeng Sun
- Department of Cardiothoracic Surgery, Jianhu Clinical Medical College of Yangzhou University, No. 666, Nanhuan Road, Jinhu Town, Jianhu, Yancheng City, Jiangsu Province, 224700, PR China
| | - Hongjun Guan
- Department of Cardiothoracic Surgery, Jianhu Clinical Medical College of Yangzhou University, Yancheng City, Jiangsu Province, 224700, PR China
| | - Jinjin Li
- Department of Cardiothoracic Surgery, Jianhu Clinical Medical College of Yangzhou University, Yancheng City, Jiangsu Province, 224700, PR China
| | - Yinfeng Gu
- Department of Cardiothoracic Surgery, Jianhu Clinical Medical College of Yangzhou University, Yancheng City, Jiangsu Province, 224700, PR China
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The Tumorigenic Role of Circular RNA-MicroRNA Axis in Cancer. Int J Mol Sci 2023; 24:ijms24033050. [PMID: 36769372 PMCID: PMC9917898 DOI: 10.3390/ijms24033050] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/30/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
Circular RNAs (circRNAs) are a class of endogenous RNAs that control gene expression at the transcriptional and post-transcriptional levels. Recent studies have increasingly demonstrated that circRNAs act as novel diagnostic biomarkers and promising therapeutic targets for numerous cancer types by interacting with other non-coding RNAs such as microRNAs (miRNAs). The miRNAs are presented as crucial risk factors and regulatory elements in cancer by regulating the expression of their target genes. Some miRNAs are derived from transposable elements (MDTEs) that can transfer their location to another region of the genome. Genetic interactions between miRNAs and circular RNAs can form complex regulatory networks with various carcinogenic processes that play critical roles in tumorigenesis and cancer progression. This review focuses on the biological regulation of the correlative axis among circular RNAs, miRNAs, and their target genes in various cancer types and suggests the biological importance of MDTEs interacting with oncogenic or tumor-suppressive circRNAs in tumor progression.
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[miR-125b-5p inhibits proliferation and migration of osteosarcoma cells by negatively regulating RAB3D expression]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2023; 43:68-75. [PMID: 36856212 DOI: 10.12122/j.issn.1673-4254.2023.01.09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
OBJECTIVE To investigate the inhibitory effect of miR-125b-5p on proliferation and migration of osteosarcoma and the role of RAB3D in mediating this effect. METHODS The expression level of miR-125b-5p was detected by qRT-PCR in a normal bone cell line (hFOB1.19) and in two osteosarcoma OS cell lines (MG63 and HOS). A miR-125b-5p mimic or inhibitor was transfected in the osteosarcoma cell lines via liposome and the changes in cell proliferation and migration were detected with EDU and Transwell experiments. Bioinformatic analysis was conducted for predicting the target gene of miR-125b-5p, and the expression level of RAB3D in hFOB1.19, MG63, and HOS cells was detected by Western blotting. In the two osteosarcoma cell lines transfected with miR-125b-5p mimic or inhibitor, the expression levels of RAB3D mRNA and protein in osteosarcoma cells were examined with qRT-PCR and Western blotting. The effects of RAB3D overexpression, RAB3D knockdown, or overexpression of both miR-125b-5p and RAB3D on the proliferation and migration of cells were assessed using EDU and Transwell experiments. RESULTS The two osteosarcoma cell lines had significantly lower expression levels of miR-125b-5p (P < 0.05). Bioinformatic analysis predicted that RAB3D was a possible target gene regulated by miR-125b-5p. In osteosarcoma cells, overexpression of miR-125b-5p significantly lowered the expression of RAB3D protein (P < 0.05); inhibiting miR-125b-5p expression significantly decreased RAB3D expression only at the protein level (P < 0.05) without obviously affecting its mRNA level. Modulation of miR-125b-5p and RAB3D levels produced opposite effects on proliferation and migration of osteosarcoma cells, and in cells with overexpression of both miR-125b-5p and RAB3D, the effect of RAB3D on cell proliferation and migration was blocked by miR-125b-5p overexpression (P < 0.05). CONCLUSION Overexpression of miR-125b-5p inhibits the proliferation and migration of osteosarcoma cells by regulating the expression of RAB3D at the post-transcriptional level.
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Wu X, Chen H, Liu N, Liu S, Lin G. Curcumin suppresses lung cancer progression via circRUNX1 mediated miR-760/RAB3D axis. Thorac Cancer 2022; 14:506-516. [PMID: 36523170 PMCID: PMC9925347 DOI: 10.1111/1759-7714.14773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/29/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Curcumin is a natural chemical component that has an anticancer effect. The aim of this study was to explore the potential molecular mechanism of curcumin regulating lung cancer (LC) progression. METHODS The expression of circRUNX1, miR-760 and Ras-like GTPase 3D (RAB3D) was detected by qRT-PCR. Cell proliferation were determined by CCK8 assay and colony formation assay. Cell apoptosis, migration and invasion were detected by flow cytometry, wound healing and transwell assays. Protein levels were examined by western blot (WB) analysis. RNA interaction was confirmed by dual-luciferase reporter assay. LC xenograft tumors were constructed using BALB/c nude mice. RESULTS CircRUNX1 was upregulated in LC and its expression could be inhibited by curcumin. Curcumin reduced LC cell proliferation, metastasis, and accelerate apoptosis, while circRUNX1 overexpression reversed these effects. MiR-760 was confirmed to be a target of circRUNX1, which could reverse the effects of circRUNX1 on curcumin-treated LC cell functions. RAB3D was a target of miR-760, and its knockdown reversed the promotion effect of miR-760 inhibitor on the progression of curcumin-treated LC cells. CONCLUSION Curcumin suppressed LC progression via circRUNX1/miR-760/RAB3D axis.
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Affiliation(s)
- Xiaodan Wu
- Department of Traditional Chinese MedicineCentral Hospital Affiliated to Shenyang Medical CollegeShenyangChina
| | - Hong Chen
- Department of GeneralCentral Hospital Affiliated to Shenyang Medical CollegeShenyangChina
| | - Na Liu
- Department of Traditional Chinese MedicineThe Third Affiliated Hospital of Shenyang Medical CollegeShenyangChina
| | - Sang Liu
- Department of Traditional Chinese MedicineThe Second Affiliated Hospital of Liaoning University of Traditional Chinese MedicineShenyangChina
| | - Guanhong Lin
- Department of Integrated Traditional Chinese and Western medicineCancer Hospital of China Medical University, Liaoning Cancer HospitalShenyangChina
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Luo J, Cao D, Hu C, Liang Z, Zhang Y, Lai J. Lymphatic metastasis-associated circRNA‒miRNA‒mRNA network for exploring the pathogenesis and therapeutic target of triple negative breast cancer based on whole-transcriptome sequencing analysis: an experimental verification study. J Transl Med 2022; 20:508. [PMID: 36335337 PMCID: PMC9636725 DOI: 10.1186/s12967-022-03728-6] [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: 09/14/2022] [Accepted: 10/23/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND The metastatic mechanisms of axillary lymph nodes (ALNs) in triple-negative breast cancer (TNBC) remain unclear. We aimed to identify the potential circRNA regulatory network in ALN metastasis. METHODS We performed whole transcriptome sequencing (WTS) to determine the expression profiles of RNAs and screen out differentially expressed messenger RNAs (DEMs), microRNAs (DEMis), and circRNAs (DECs) between ALN-positive and ALN-negative TNBC patients. Functional enrichment analysis and Kaplan-Meier survival analysis were utilized to unearth the potential regulatory mechanisms of the DEMs. A competing endogenous RNA (ceRNA) network was constructed using computational biology. The expression levels of DECs in cell lines were confirmed by real-time polymerase chain reaction (RT‒PCR). RESULTS Following WTS and differential expression analysis, 739 DEMs, 110 DEMis, and 206 DECs were identified between ALN-positive and ALN-negative TNBC patients. Functional analysis indicated that the DEMs mainly functioned in carcinogenesis and tumor progression-related pathways. ceRNA networks containing eight circRNAs, six miRNAs, and eighteen mRNAs were developed. In the ceRNA network, two mRNAs (RAB3D and EDARADD) that were significantly associated with better overall survival and one mRNA (GSR) that predicted favorable recurrence-free survival in TNBC patients were chosen for further analysis. Then, a survival-related ceRNA network containing two DECs (hsa_circ_0061260 and hsa_circ_0060876), two DEMis (hsa-miR-5000-3p and hsa-miR-4792), and three mRNAs (GSR, RAB3D, and EDARADD) was identified. Then, two candidate DECs were validated by real-time PCR. CONCLUSION Our research constructed a ceRNA network that provides novel insights into the molecular mechanism of ALN metastasis and potential therapeutic targets in TNBC.
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Affiliation(s)
- Jiayue Luo
- Department of Breast Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, Guangdong, China
| | - Dong Cao
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, China
| | - Chuwen Hu
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, China
| | - Zhen Liang
- Department of Breast Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, Guangdong, China
| | - Yuanping Zhang
- Department of Breast Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, Guangdong, China
| | - Jianguo Lai
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Er Road, Yuexiu District, Guangzhou, 510080, Guangdong, China.
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Chen T, Feng G, Xing Z, Gao X. Circ-EIF3I facilitates proliferation, migration, and invasion of lung cancer via regulating the activity of Wnt/β-catenin pathway through the miR-1253/NOVA2 axis. Thorac Cancer 2022; 13:3133-3144. [PMID: 36193788 PMCID: PMC9663674 DOI: 10.1111/1759-7714.14665] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/05/2022] [Accepted: 09/07/2022] [Indexed: 01/07/2023] Open
Abstract
Many studies have shown that circular RNA (circRNA) is an important regulator mediating the malignant progression of cancer. However, the role and mechanism of circ-EIF3I in lung cancer (LC) development are still unclear. A total 36 paired LC tumor tissues and adjacent normal tissues were enrolled. The expression of circ-EIF3I, microRNA (miR)-1253, and neuro-oncological ventral antigen 2 (NOVA2) was measured by quantitative real-time PCR. The proliferation, apoptosis, migration, and invasion of LC cells were determined by MTT assay, colony formation assay, flow cytometry, and transwell assay. Dual-luciferase reporter assay was performed to verify the interaction between miR-1253 and circ-EIF3I or NOVA2. The protein levels of NOVA2 and Wnt/β-catenin pathway-related markers were detected by western blot analysis. Xenograft tumor was constructed to explore the function of circ-EIF3I on LC tumor growth. Circ-EIF3I was upregulated in LC tumor tissues and cells. Silenced circ-EIF3I could suppress the proliferation, migration, invasion, and enhance the apoptosis of LC cells in vitro, as well as reduce LC tumor growth in vivo. Circ-EIF3I could sponge miR-1253, and miR-1253 inhibitor overturned the regulation of circ-EIF3I knockdown on LC cell progression. NOVA2 was confirmed to be a target of miR-1253, which could reverse the inhibitory effects of miR-1253 on LC cell progression. Further experiments showed that circ-EIF3I regulated NOVA2 expression by sponging miR-1253. In addition, circ-EIF3I silencing could inhibit the activity of Wnt/β-catenin pathway via regulating the miR-1253/NOVA2 axis. Circ-EIF3I might function as an oncogene in LC, which promoted LC progression by the miR-1253/NOVA2/Wnt/β-catenin network.
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Affiliation(s)
- Tao Chen
- Department of Thoracic SurgeryThe Fifth Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Guangqiang Feng
- Department of Thoracic SurgeryThe Fifth Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Zhisong Xing
- Department of Thoracic SurgeryThe Fifth Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Xingcai Gao
- Department of Thoracic SurgeryThe Fifth Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
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Li Y, Sang Y, Wu WH. Circ_0000527 regulates proliferation, migration, and invasion of colorectal cancer SW620 cells by targeting miR-1253. Shijie Huaren Xiaohua Zazhi 2022; 30:639-646. [DOI: 10.11569/wcjd.v30.i14.639] [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] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The expression of circular RNAs (circRNAs) may be up-regulated/down-regulated in colorectal cancer, and they act as sponge molecules of microRNAs (miRNAs), negatively regulate the expression of miRNAs, and participate in the occurrence and development of colorectal cancer. It is known that circ_0000527 is highly expressed in tumor tissues such as osteosarcoma, and circ_0000527 has a complementary sequence with miR-1253, which is down-regulated in colorectal cancer tissues and cells. However, it is unknown whether circ_0000527 can regulate the expression of miR-1253 and thus affect the biological behavior of colorectal cancer cells.
AIM To investigate the effect of circ_0000527 targeting miR-1253 on the proliferation, migration, and invasion of colorectal cancer SW620 cells.
METHODS Tumor and tumor-adjacent tissue samples were collected from 41 colorectal cancer patients treated at our hospital from March 2020 to August 2020, and the expression of circ_0000527 and miR-1253 was detected by qRT-PCR. Human colorectal cancer SW620 cells were divided into si-NC group, si-circ_0000527 group, miR-NC group, miR-1253 group, si-circ_0000527 + anti-miR-NC group, and si-circ_0000527 + anti-miR-1253 group. CCK-8 assay, plate clone formation assay, scratch assay, and Transwell assay were used to detect cell proliferation, clone formation, migration, and invasion, respectively. Dual luciferase reporter assay was used to detect the targeting relationship between circ_0000527 and miR-1253.
RESULTS In colorectal cancer tissues, the expression of circ_0000527 was increased (P < 0.05), and the expression of miR-1253 was decreased (P < 0.05). After transfection of SW620 cells with si-circ_0000527 or miR-1253 mimic, cell viability and wound healing rate were decreased (P < 0.05), and the number of cell clones and invasive cells was decreased (P < 0.05). Circ_0000527 could target and bind miR-1253. Co-transfection of si-circ_0000527 and anti-miR-1253 could reverse the effect of si-circ_0000527 on the biological behavior of SW620 cells.
CONCLUSION Interference with the expression of circ_0000527 attenuates the ability of colorectal cancer cells to proliferate, form closes, migrate, and invade by up-regulating the expression of miR-1253.
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Affiliation(s)
- Ying Li
- Department of Special Examination, Hangzhou Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medicine University, Hangzhou 311700, Zhejiang Province, China
| | - Yi Sang
- Department of Gastroenterology, Hangzhou Hospital of Traditional Chinese Medicine, Zhejiang Chinese Medicine University, Hangzhou 311700, Zhejiang Province, China
| | - Wei-Hua Wu
- Hangzhou Hospital of Traditional Chinese Medicine ICU, Zhejiang Chinese Medicine University, Hangzhou 311700, Zhejiang Province, China
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Asadi MR, Moslehian MS, Sabaie H, Sharifi-Bonab M, Hakimi P, Hussen BM, Taheri M, Rakhshan A, Rezazadeh M. CircRNA-Associated CeRNAs Regulatory Axes in Retinoblastoma: A Systematic Scoping Review. Front Oncol 2022; 12:910470. [PMID: 35865469 PMCID: PMC9294360 DOI: 10.3389/fonc.2022.910470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/10/2022] [Indexed: 12/04/2022] Open
Abstract
Retinoblastoma (RB) is one of the most common childhood cancers caused by RB gene mutations (tumor suppressor gene in various patients). A better understanding of molecular pathways and the development of new diagnostic approaches may lead to better treatment for RB patients. The number of studies on ceRNA axes is increasing, emphasizing the significance of these axes in RB. Circular RNAs (circRNAs) play a vital role in competing endogenous RNA (ceRNA) regulatory axes by sponging microRNAs and regulating gene expression. Because of the broadness of ceRNA interaction networks, they may assist in investigating treatment targets in RB. This study conducted a systematic scoping review to evaluate verified loops of ceRNA in RB, focusing on the ceRNA axis and its relationship to circRNAs. This scoping review was carried out using a six-step strategy and the Prisma guideline, and it involved systematically searching the publications of seven databases. Out of 363 records, sixteen articles were entirely consistent with the defined inclusion criteria and were summarized in the relevant table. The majority of the studies focused on the circRNAs circ_0000527, circ_0000034, and circTET1, with approximately two-fifths of the studies focusing on a single circRNA. Understanding the many features of this regulatory structure may help elucidate RB’s unknown causative factors and provide novel molecular potential therapeutic targets and medical fields.
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Affiliation(s)
- Mohammad Reza Asadi
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Marziyeh Sadat Moslehian
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hani Sabaie
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mirmohsen Sharifi-Bonab
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parvin Hakimi
- Woman’s Reproductive Health Research Center, Tabriz University of medical sciences, Tabriz, Iran
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Iraq
- Center of Research and Strategic Studies, Lebanese French University, Erbil, Iraq
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
- *Correspondence: Mohammad Taheri, ; Azadeh Rakhshan, ; Maryam Rezazadeh,
| | - Azadeh Rakhshan
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Mohammad Taheri, ; Azadeh Rakhshan, ; Maryam Rezazadeh,
| | - Maryam Rezazadeh
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
- Woman’s Reproductive Health Research Center, Tabriz University of medical sciences, Tabriz, Iran
- *Correspondence: Mohammad Taheri, ; Azadeh Rakhshan, ; Maryam Rezazadeh,
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Yang T, Sun J, Wang W, Li D, Yang X, Jia A, Ma Y, Fan Z. Hsa_circ_0006732 regulates colorectal cancer cell proliferation, invasion and EMT by miR-127-5p/RAB3D axis. Mol Cell Biochem 2022; 477:2751-2760. [PMID: 35616807 DOI: 10.1007/s11010-022-04458-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/27/2022] [Indexed: 11/29/2022]
Abstract
Colorectal cancer (CRC) remains a malignancy tumor with high metastasis and poor prognosis. We aimed to explore the effect of circular RNA (circRNA) hsa_circ_0006732 in the progression of CRC. Hsa_circ_0006732 expression in CRC tissues and cell lines were detected using qRT-PCR. The relationship between hsa_circ_0006732 expression and clinicopathologic characteristics of patients with CRC was analyzed. Loss-of-function assay was conducted to determine the regulatory effect of hsa_circ_0006732 on CRC cell proliferation, migration and invasion by using the CCK-8, wound-healing assay and transwell assays. Protein expression changes on epithelial mesenchymal transition (EMT)-related factors were detected by western blotting. The downstream signaling pathway was investigated by bioinformatics, dual-luciferase reporter assay. Rescue assay was further examined for prediction validation. It was found that hsa_circ_0006732 was highly expressed in CRC tissues and cell lines. Downregulation of hsa_circ_0006732 suppressed the proliferation, migration, invasion and EMT of CRC cells. Further mechanistic investigations proved that hsa_circ_0006732 functioned as a competitive endogenous RNA (ceRNA) by directly sponging of miR-127-3p, which further affected the expression of Ras-related protein Rab-3D (Rab3D). Taken together, these findings indicated that hsa_circ_0006732 might be an oncogene in CRC through the regulation of the miR-127-5p/RAB3D axis. Thus, hsa_circ_0006732 might serve as a potential therapeutic target for the treatment of CRC.
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Affiliation(s)
- Tao Yang
- The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, 510000, China.,Department of General Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121010, China
| | - Jufeng Sun
- Orthopedic Department, First Affiliated Hospital of Jinzhou Medical University, No.2 Renmin Street, Jinzhou, 121000, China
| | - Wei Wang
- Department of General Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121010, China
| | - Dongsheng Li
- Department of General Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121010, China
| | - Xianxu Yang
- Orthopedic Department, First Affiliated Hospital of Jinzhou Medical University, No.2 Renmin Street, Jinzhou, 121000, China
| | - Ang Jia
- Orthopedic Department, First Affiliated Hospital of Jinzhou Medical University, No.2 Renmin Street, Jinzhou, 121000, China
| | - Yinda Ma
- Orthopedic Department, First Affiliated Hospital of Jinzhou Medical University, No.2 Renmin Street, Jinzhou, 121000, China
| | - Zhongkai Fan
- The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, 510000, China. .,Orthopedic Department, First Affiliated Hospital of Jinzhou Medical University, No.2 Renmin Street, Jinzhou, 121000, China.
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Zhuang Q, Huang Z, Zhuang W, Hong Y, Huang Y. Knockdown of circ-RAD23B inhibits non-small cell lung cancer progression via the miR-142-3p/MAP4K3 axis. Thorac Cancer 2022; 13:750-760. [PMID: 35106926 PMCID: PMC8888159 DOI: 10.1111/1759-7714.14319] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/29/2021] [Accepted: 01/02/2022] [Indexed: 01/10/2023] Open
Abstract
Background The development of non‐small cell lung cancer (NSCLC) is associated with the deregulation of circRNAs. The objective of this study was to investigate the effects of circ‐RAD23B in NSCLC. Methods Circ‐RAD23B expression, miR‐142‐3p and MAP4K3 was detected by qPCR. Cell proliferation was investigated by CCK‐8 assay and colony formation assay. Cell migration and invasion were assessed by transwell assay. Angiogenesis ability was assessed by tube formation assay. Cell cycle distribution and cell apoptosis were monitored by flow cytometry. The predicted binding relationship between miR‐142‐3p and circ‐RAD23B or MAP4K3 was verified by dual‐luciferase reporter assay. The protein level of MAP4K3 was detected by western blot. Animal models were established to determine the role of circ‐RAD23B in vivo. Results Circ‐RAD23B was shown to be upregulated in NSCLC tissues and cells. Knockdown of circ‐RAD23B inhibited proliferation, migration, invasion, angiogenesis and promoted cell cycle arrest and apoptosis in NSCLC cells, and circ‐RAD23B knockdown also impeded tumor growth in vivo. Circ‐RAD23B acted as miR‐142‐3p sponge to inhibit miR‐142‐3p expression and thus enrich the expression of MAP4K3, a target of miR‐142‐3p. Rescue experiments presented that miR‐142‐3p inhibition reversed the effects of circ‐RAD23B knockdown, and MAP4K3 overexpression abolished the effects of miR‐142‐3p restoration. In addition, we found that circ‐RAD23B knockdown led to decreased phosphorylation expression of ERK1/2, JNK and p38, three key groups of the MAPK signaling pathway. Conclusions Circ‐RAD23B knockdown inhibited NSCLC development by regulating the miR‐142‐3p/MAP4K3 axis, which might be associated with the inactivation of the MAPK signaling pathway.
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Affiliation(s)
- Qingyang Zhuang
- Department of Radiotherapy, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, China
| | - Zhangzhou Huang
- Department of Thoracic Oncology, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, China
| | - Wu Zhuang
- Department of Thoracic Oncology, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, China
| | - Yaping Hong
- Department of Thoracic Oncology, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, China
| | - Yunjian Huang
- Department of Thoracic Oncology, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, China
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Ma J, Li Q, Li Y. CircRNA PRH1-PRR4 stimulates RAB3D to regulate the malignant progression of NSCLC by sponging miR-877-5p. Thorac Cancer 2022; 13:690-701. [PMID: 35076987 PMCID: PMC8888154 DOI: 10.1111/1759-7714.14264] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Previous reports have confirmed the importance of circular RNA (circRNA) in the malignant progression of non-small-cell lung cancer (NSCLC). However, the role of circRNA PRH1-PRR4 readthrough (circPRH1-PRR4) in NSCLC progression was unclear. This study was designed to reveal the mechanism behind circPRH1-PRR4 regulating NSCLC progression. METHODS Quantitative real-time polymerase chain reaction and western blot were employed to detect the expression of circPRH1-PRR4, microRNA-877-5p (miR-877-5p), the member RAS oncogene family (RAB3D), and other indicated protein markers. The positive expression rate of RAB3D was detected by immunohistochemistry assay. Cell proliferation was investigated by cell colony formation and 5-ethynyl-2'-deoxyuridine assays. Flow cytometry was employed to quantify apoptotic cells. Wound-healing and transwell invasion assays were used to evaluate cell metastasis. The interaction among circPRH1-PRR4, miR-877-5p, and RAB3D was identified by dual-luciferase reporter assay. In vivo assay was implemented to demonstrate the effect of circPRH1-PRR4 on tumor formation. RESULTS As compared with controls, NSCLC tissues and cells displayed high expression of circPRH1-PRR4 and RAB3D, and low expression of miR-877-5p. Reduced expression of circPRH1-PRR4 resulted in inhibition of cell proliferation, migration, and invasion, but promotion of cell apoptosis in vitro. In support, circPRH1-PRR4 silencing inhibited tumor formation in vivo. Knockdown of miR-877-5p, a target miRNA of circPRH1-PRR4, relieved circPRH1-PRR4 absence-mediated action. Additionally, RAB3D was identified as a target mRNA of miR-877-5p. Importantly, circPRH1-PRR4 regulated RAB3D expression by miR-877-5p. CONCLUSION CircPRH1-PRR4 knockdown impeded NSCLC cell malignancy by the miR-877-5p/RAB3D pathway, providing a possible circRNA-targeted therapy for NSCLC.
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Affiliation(s)
- Jun Ma
- Department of Respiratory and Critical Care Medicine, Dongying People's Hospital, Dongying City, 257000, Shandong, China
| | - Quanxing Li
- Department of Cardiothoracic Surgery, Dongying People's Hospital, Dongying City, 257000, Shandong, China
| | - Yuling Li
- Department of Respiratory and Critical Care Medicine, Tengzhou Central People's Hospital, Tengzhou Ctiy, 277500, Shandong, China
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Ning Z, Tian Y, Li Y, Zhao X, Zhang J, Wang C, Hu J, Shen H, Wu W. Exosomal circ_0007385 enhances non-small cell lung cancer cell proliferation and stemness via regulating miR-1253/FAM83A axis. Anticancer Drugs 2022; 33:61-74. [PMID: 34620741 DOI: 10.1097/cad.0000000000001103] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Exosomes are critical mediators of intercellular communication in the tumor microenvironment. Exosomal circular RNAs (circRNAs) can act as biomarkers and play crucial roles in many cancers, including non-small cell lung cancer (NSCLC). The aim of this study was to explore the functions and regulatory mechanism of exosomal circ_0007385 in NSCLC. The expression levels of circ_0007385, microRNA-1253 (miR-1253), family with sequence similarity 83, member A (FAM83A) mRNA were determined by quantitative real-time PCR (qRT-PCR). Cell Counting Kit-8 (CCK-8), 5-Ethynyl-2'-deoxyuridine (Edu), and colony formation assays were utilized to determine cell proliferation ability. Sphere formation efficiency was determined by sphere formation assay. All protein levels were detected by western blot assay. Exosomes were detected using transmission electron microscopy analysis. Size distribution of exosomes was analyzed by nanoparticle tracking analysis. The interaction between miR-1253 and circ_0007385 or FAM83A was confirmed by dual-luciferase reporter, RNA immunoprecipitation (RIP) and RNA pull-down assays. Mice xenograft model was established to verify the function of circ_0007385 in vivo. Circ_0007385 was upregulated in NSCLC tissues and cells. Knockdown of circ_0007385 inhibited NSCLC cell proliferation and stemness, while exosomal circ_0007385 facilitated NSCLC cell proliferation and stemness. In addition, miR-1253 was a direct target of circ_0007385, and miR-1253 reversed the inhibitory effects of circ_0007385 on cell proliferation and stemness in NSCLC cells. Moreover, FAM83A was a direct target of miR-1253, and miR-1253 suppressed NSCLC cell proliferation and stemness by targeting FAM83A. Furthermore, circ_0007385 knockdown inhibited tumor growth in vivo. Exosomal circ_0007385 promoted NSCLC cell proliferation and stemness by regulating miR-1253/FAM83A axis.
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Affiliation(s)
- Zhiqiang Ning
- Department of Oncology, Suzhou Ninth People's Hospital, Suzhou City
| | - Yue Tian
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
| | - Yufeng Li
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
| | - Xinfei Zhao
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
| | - Jing Zhang
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
| | - Chunmei Wang
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
| | - Jin Hu
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
| | - Hua Shen
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
- Departments of Oncology
| | - Weibing Wu
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University
- Thoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing City, Jiangsu Province, China
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22
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Tan D, Li G, Zhang P, Peng C, He B. LncRNA SNHG12 in extracellular vesicles derived from carcinoma-associated fibroblasts promotes cisplatin resistance in non-small cell lung cancer cells. Bioengineered 2022; 13:1838-1857. [PMID: 35014944 PMCID: PMC8805932 DOI: 10.1080/21655979.2021.2018099] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 12/08/2021] [Accepted: 12/08/2021] [Indexed: 12/25/2022] Open
Abstract
Non-small-cell lung cancer (NSCLC) is defined as the most universally diagnosed class of lung cancer. Cisplatin (DDP) is an effective drug for NSCLC, but tumors are prone to drug resistance. The current study set out to evaluate the regulatory effect of long non-coding RNA (lncRNA) small nucleolar RNA host gene 12 (SNHG12) in extracellular vesicles (EVs) derived from carcinoma-associated fibroblasts (CAFs) on DDP resistance in NSCLC cells. Firstly, NSCLC cells were treated with EVs, followed by detection of cell activity, IC50 values, cell proliferation and apoptosis, and Cy3-SNHG12. We observed that CAFs-EVs promoted IC50 values and cell proliferation and inhibited apoptosis. In addition, we learned that lncRNA SNHG12 carried by CAFs-EVs into NSCLC facilitated DDP resistance of NSCLC cells. Furthermore, ELAV like RNA binding protein 1 (HuR/ELAVL1) binding to lncRNA SNHG12 and X-linked inhibitor of apoptosis (XIAP) was verified and RNA stability of XIAP was also verified CAFs-EVs promoted RNA stability and transcription of XIAP, while silencing HuR could partially-reverse this promoting effect. Further joint experimentation showed that silencing XIAP partially inhibited DDP resistance in NSCLC cells. Additionally, the tumor growth and the positive rate of Ki67 and HuR were detected, which showed that CAFs-oe-EVs promoted the tumor and the positive rate of Ki67, as well as the levels of lncRNA SNHG12, HuR, and XIAP in vivo. Collectively, our findings indicated that lncRNA SNHG12 carried by CAFs-EVs into NSCLC cells promoted RNA stability and XIAP transcription by binding to HuR, thus augmenting DDP resistance in NSCLC cells.
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Affiliation(s)
- Deli Tan
- Department of Thoracic Surgery, Chongqing Ninth People’s Hospital, Chongqing, China
| | - Gang Li
- Department of Thoracic Surgery, Chongqing Ninth People’s Hospital, Chongqing, China
| | - Peng Zhang
- Department of Thoracic Surgery, Chongqing Ninth People’s Hospital, Chongqing, China
| | - Chao Peng
- Department of Thoracic Surgery, Chongqing Ninth People’s Hospital, Chongqing, China
| | - Bo He
- Department of Thoracic Surgery, Southwest Hospital, Army Medical University, Chongqing400038, China
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23
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Xi J, Xi Y, Zhang Z, Hao Y, Wu F, Bian B, Hao G, Li W, Zhang S. Hsa_circ_0060937 accelerates non-small cell lung cancer progression via modulating miR-195-5p/HMGB3 pathway. Cell Cycle 2021; 20:2040-2052. [PMID: 34470585 DOI: 10.1080/15384101.2021.1969203] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Circular RNAs (circRNAs) exert a critical effect on tumorigenesis and development. Our research aimed to clarify the function and underlying mechanism of circ_0060937 inNSCLC. The concentrations of circ_0060937, miR-195-5p and high-mobility group box 3 (HMGB3) were monitored via qRT-PCR and western blot assays. Additionally, cell proliferation, apoptosis, migration and invasion were assessed using CCK-8, colony formation, flow cytometry and transwell assays. Glycolysis was evaluated via detecting glucose uptake and lactate product. The association between miR-195-5p and circ_0060937/HMGB3 were validated using dual-luciferase reporter, RNA pull-down and RIP assays. Furthermore,in vivo experiment was performed to analyze tumorigenesis.Circ_0060937 and HMGB3 levels were elevated, whereas miR-195-5p level was dropped in NSCLC. Circ_0060937 down-regulation restrainedNSCLC cell proliferation, migration, invasion and glycolysis, and triggered apoptosis. Knockdown of circ_0060937 restrained NSCLC development via absorbing miR-195-5p. Circ_0060937 silencing inhibited NSCLC progression by mediating HMGB3. Besides, circ_0060937 depletion suppressed tumor growth in vivo.Circ_0060937 knockdown hindered NSCLC development and glycolysis via regulating miR-195-5p/HMGB3 pathway.
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Affiliation(s)
- Junfeng Xi
- Department of Oncology, The Second Affliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of Cardiothoracic Surgery, The First Hospital of Yulin City, Yulin, China
| | - Yunfeng Xi
- Department of Dermatology, The First Hospital of Yulin City, Yulin, China
| | - Zhibin Zhang
- Department of Cardiothoracic Surgery, The First Hospital of Yulin City, Yulin, China
| | - Yanhong Hao
- Department of Cardiothoracic Surgery, The First Hospital of Yulin City, Yulin, China
| | - Fei Wu
- Department of Oncology, The Second Affliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Burong Bian
- Deapartment of Oncology, The First Hospital of Yulin City, Yulin, China
| | - Guangjun Hao
- Deapartment of Oncology, The First Hospital of Yulin City, Yulin, China
| | - Weiwei Li
- Department of Cardiothoracic Surgery, The First Hospital of Yulin City, Yulin, China
| | - Shuqun Zhang
- Department of Oncology, The Second Affliated Hospital of Xi'an Jiaotong University, Xi'an, China
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24
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Dong H, Zhou J, Cheng Y, Wang M, Wang S, Xu H. Biogenesis, Functions, and Role of CircRNAs in Lung Cancer. Cancer Manag Res 2021; 13:6651-6671. [PMID: 34466035 PMCID: PMC8403226 DOI: 10.2147/cmar.s324812] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 08/09/2021] [Indexed: 12/24/2022] Open
Abstract
CircRNAs, a class of endogenous non-coding RNAs with closed-loop structures, have attracted increasing attention because of their good stability, high specificity of tissue expression, long half-life, and highly conserved sequence. CircRNAs have multiple biological functions, including miRNA sponge, transcription regulator, protein translation, interaction with protein, RNA maturation, and so on. These functions indicate the important role of circRNAs in tumorigenesis and malignant progression and their potential as potent diagnostic biomarkers and therapeutic molecules. In recent years, an increasing body of evidence suggests that circRNAs play a crucial role in proliferation, migration, invasion, and apoptosis of lung cancer cells. Therefore, circRNAs have gradually become a research focus in the diagnosis and treatment of lung cancer patients. This review summarizes the classification, biogenesis, and function of circRNAs, and discusses the role of circRNAs in the diagnosis, prognosis, and treatment of lung cancer patients.
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Affiliation(s)
- Huanhuan Dong
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, People's Republic of China
| | - Junliang Zhou
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, People's Republic of China
| | - Yue Cheng
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, People's Republic of China
| | - Meiqi Wang
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, People's Republic of China
| | - Shuqing Wang
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, People's Republic of China
| | - Hui Xu
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, 150081, People's Republic of China
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25
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Huang B, Cui DJ, Yan F, Yang LC, Zhang MM, Zhao X. Circ_0087862 promotes the progression of colorectal cancer by sponging miR-142-3p and up-regulating BACH1 expression. Kaohsiung J Med Sci 2021; 37:1048-1057. [PMID: 34390174 DOI: 10.1002/kjm2.12437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 06/22/2021] [Accepted: 07/08/2021] [Indexed: 12/15/2022] Open
Abstract
Circular RNAs (circRNAs) feature prominently in regulating the malignant biological behaviors of colorectal cancer (CRC), including cell viability, cell cycle progression, apoptosis, migration, invasion, and so on. This study is performed to probe into the biological function and molecular mechanism of circ_0087862 in CRC. The expression profile of GSE138589 was available from Gene Expression Omnibus (GEO), and the differentially expressed circRNAs were analyzed by GEO2R. The expression of circ_0087862, miR-142-3p, and BACH1 mRNA in CRC tissues and cells was measured by qRT-PCR. CCK-8 assay was employed to determine the proliferation of CRC cells. Scratch wound healing and transwell assays were used to examine the migration and invasion of CRC cells. The targeting relationships between circ_0087862 and miR-142-3p, and between miR-142-3p and BACH1 3'UTR were verified by dual-luciferase reporter gene assay and RIP assay. BACH1 protein expression was probed by western blot. Circ_0087862 was highly expressed in CRC tissues and cell lines. Knocking down circ_0087862 significantly restrained the multiplication, migration and invasion of CRC cells. miR-142-3p inhibition weakened the impact of circ_0087862 knockdown on CRC cells. Circ_0087862 regulated BACH1 expressions by targeting miR-142-3p. Circ_0087862 regulates BACH1 expressions through sponging miR-142-3p, and promotes the proliferation, migration, and invasion of CRC cells.
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Affiliation(s)
- Bo Huang
- Department of Gastroenterology, Guizhou Provincial People's Hospital, Guiyang, Guizhou Province, China
| | - De-Jun Cui
- Department of Gastroenterology, Guizhou Provincial People's Hospital, Guiyang, Guizhou Province, China
| | - Fang Yan
- Department of Gastroenterology, Guizhou Provincial People's Hospital, Guiyang, Guizhou Province, China
| | - Liu-Chan Yang
- Department of Gastroenterology, Guizhou Provincial People's Hospital, Guiyang, Guizhou Province, China
| | - Man-Man Zhang
- Department of Gastroenterology, Guizhou Provincial People's Hospital, Guiyang, Guizhou Province, China
| | - Xun Zhao
- Department of Gastroenterology, Guizhou Provincial People's Hospital, Guiyang, Guizhou Province, China
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26
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Chen HH, Zhang TN, Wu QJ, Huang XM, Zhao YH. Circular RNAs in Lung Cancer: Recent Advances and Future Perspectives. Front Oncol 2021; 11:664290. [PMID: 34295810 PMCID: PMC8290158 DOI: 10.3389/fonc.2021.664290] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 06/21/2021] [Indexed: 12/13/2022] Open
Abstract
Globally, lung cancer is the most commonly diagnosed cancer and carries with it the greatest mortality rate, with 5-year survival rates varying from 4–17% depending on stage and geographical differences. For decades, researchers have studied disease mechanisms, occurrence rates and disease development, however, the mechanisms underlying disease progression are not yet fully elucidated, thus an increased understanding of disease pathogenesis is key to developing new strategies towards specific disease diagnoses and targeted treatments. Circular RNAs (circRNAs) are a class of non-coding RNA widely expressed in eukaryotic cells, and participate in various biological processes implicated in human disease. Recent studies have indicated that circRNAs both positively and negatively regulate lung cancer cell proliferation, migration, invasion and apoptosis. Additionally, circRNAs could be promising biomarkers and targets for lung cancer therapies. This review systematically highlights recent advances in circRNA regulatory roles in lung cancer, and sheds light on their use as potential biomarkers and treatment targets for this disease.
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Affiliation(s)
- Huan-Huan Chen
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China.,Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Tie-Ning Zhang
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China.,Department of Pediatric, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qi-Jun Wu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xin-Mei Huang
- Department of Endocrinology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Yu-Hong Zhao
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
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27
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Monroe JD, Moolani SA, Irihamye EN, Lett KE, Hebert MD, Gibert Y, Smith ME. Cisplatin and phenanthriplatin modulate long-noncoding RNA expression in A549 and IMR90 cells revealing regulation of microRNAs, Wnt/β-catenin and TGF-β signaling. Sci Rep 2021; 11:10408. [PMID: 34001990 PMCID: PMC8129125 DOI: 10.1038/s41598-021-89911-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/27/2021] [Indexed: 01/06/2023] Open
Abstract
The monofunctional platinum(II) complex, phenanthriplatin, acts by blocking transcription, but its regulatory effects on long-noncoding RNAs (lncRNAs) have not been elucidated relative to traditional platinum-based chemotherapeutics, e.g., cisplatin. Here, we treated A549 non-small cell lung cancer and IMR90 lung fibroblast cells for 24 h with either cisplatin, phenanthriplatin or a solvent control, and then performed microarray analysis to identify regulated lncRNAs. RNA22 v2 microRNA software was subsequently used to identify microRNAs (miRNAs) that might be suppressed by the most regulated lncRNAs. We found that miR-25-5p, -30a-3p, -138-5p, -149-3p, -185-5p, -378j, -608, -650, -708-5p, -1253, -1254, -4458, and -4516, were predicted to target the cisplatin upregulated lncRNAs, IMMP2L-1, CBR3-1 and ATAD2B-5, and the phenanthriplatin downregulated lncRNAs, AGO2-1, COX7A1-2 and SLC26A3-1. Then, we used qRT-PCR to measure the expression of miR-25-5p, -378j, -4516 (A549) and miR-149-3p, -608, and -4458 (IMR90) to identify distinct signaling effects associated with cisplatin and phenanthriplatin. The signaling pathways associated with these miRNAs suggests that phenanthriplatin may modulate Wnt/β-catenin and TGF-β signaling through the MAPK/ERK and PTEN/AKT pathways differently than cisplatin. Further, as some of these miRNAs may be subject to dissimilar lncRNA targeting in A549 and IMR90 cells, the monofunctional complex may not cause toxicity in normal lung compared to cancer cells by acting through distinct lncRNA and miRNA networks.
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Affiliation(s)
- Jerry D Monroe
- Department of Cell and Molecular Biology, Cancer Center and Research Institute, University of Mississippi Medical Center, Jackson, MS, 39216, USA
- Biology Department, Western Kentucky University, Bowling Green, KY, 42101-1080, USA
| | - Satya A Moolani
- Biology Department, Western Kentucky University, Bowling Green, KY, 42101-1080, USA
- Program in Cognitive Science, Case Western Reserve University, Cleveland, OH, 44106-7063, USA
| | - Elvin N Irihamye
- Biology Department, Western Kentucky University, Bowling Green, KY, 42101-1080, USA
- Program in Neuroscience, Indiana University Bloomington, Bloomington, IN, 47405-2204, USA
| | - Katheryn E Lett
- Department of Cell and Molecular Biology, Cancer Center and Research Institute, University of Mississippi Medical Center, Jackson, MS, 39216, USA
| | - Michael D Hebert
- Department of Cell and Molecular Biology, Cancer Center and Research Institute, University of Mississippi Medical Center, Jackson, MS, 39216, USA
| | - Yann Gibert
- Department of Cell and Molecular Biology, Cancer Center and Research Institute, University of Mississippi Medical Center, Jackson, MS, 39216, USA.
| | - Michael E Smith
- Biology Department, Western Kentucky University, Bowling Green, KY, 42101-1080, USA.
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28
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Yang X, Tian W, Wang S, Ji X, Zhou B. CircRNAs as promising biomarker in diagnostic and prognostic of lung cancer: An updated meta-analysis. Genomics 2020; 113:387-397. [PMID: 33326833 DOI: 10.1016/j.ygeno.2020.12.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 12/10/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND As a class of endogenous non-coding RNAs with closed-loop structure, circular RNAs (circRNAs) are receiving more and more attention. CircRNAs have been reported to be widely expressed in various human cancers and are implicated in tumorigenesis and progression. The present study aimed to systematically evaluate the clinicopathological, diagnostic and prognostic values of circRNAs in lung cancer. METHODS We searched literature from PubMed, Web of science, Cochrane Library, EMBASE and Ovid online databases up to May 29, 2020. Statistical analyses were undertaken based on Stata 11.0, Meta-DiSc 1.4, and RevMan 5.3 software. RESULTS Finally, a total of 63 eligible articles were included in our meta-analysis, including 18 studies for diagnosis, 22 studies for prognosis and 57 studies for clinicopathological features. In terms of diagnostic values, circRNAs could discriminate between lung cancer patients and the normal individuals with a relatively high pooled area under the curve (AUC) of 0.83 (95%CI, 0.80-0.86). For the prognostic values, we found that elevated expression of oncogenic circRNAs could predict poor survival outcomes based on multivariate analysis (HR = 2.430, 95%CI = 2.003-2.948, P < 0.001 for OS; HR = 2.228, 95%CI = 1.289-3.853, P = 0.004 for DFS) while tumor-suppressor circRNAs was correlated with better OS in univariate analysis (HR = 0.627, 95%CI = 0.519-0.757, P < 0.001). The pooled results suggested that elevated expression of carcinogenic circRNAs was associated with tumor size (OR = 1.676, 95%CI = 1.209-2.323, P = 0.002), smoking statue (OR = 1.260, 95%CI = 1.062-1.494, P = 0.008), TNM stage (OR = 2.345, 95%CI = 1.617-3.399, P < 0.001), differentiation grade (OR = 1.843, 95%CI = 1.228-2.765, P = 0.003), and lymphatic metastasis (OR = 2.097, 95%CI = 1.482-2.967, P < 0.001). Moreover, the expression of tumor-suppressor circRNAs was related to the improved clinicopathological features (lymphatic metastasis: OR = 0.536, 95%CI = 0.311-0.926, P = 0.025). CONCLUSIONS Our meta-analysis demonstrated that circRNAs could be used as feasible and important biomarkers for diagnosis, prognosis and clinicopathological features in lung cancer.
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Affiliation(s)
- Xianglin Yang
- Department of Clinical Epidemiology, First Affiliated Hospital, China Medical University, Shenyang 110001, China; Department of Epidemiology, School of Public Health, China Medical University, Shenyang, 110122, China.
| | - Wen Tian
- Department of Clinical Epidemiology, First Affiliated Hospital, China Medical University, Shenyang 110001, China; Department of Epidemiology, School of Public Health, China Medical University, Shenyang, 110122, China.
| | - Shen Wang
- Department of Clinical Epidemiology, First Affiliated Hospital, China Medical University, Shenyang 110001, China; Department of Epidemiology, School of Public Health, China Medical University, Shenyang, 110122, China.
| | - Xiaotong Ji
- Department of Clinical Epidemiology, First Affiliated Hospital, China Medical University, Shenyang 110001, China; Department of Epidemiology, School of Public Health, China Medical University, Shenyang, 110122, China.
| | - Baosen Zhou
- Department of Clinical Epidemiology, First Affiliated Hospital, China Medical University, Shenyang 110001, China; Department of Epidemiology, School of Public Health, China Medical University, Shenyang, 110122, China.
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29
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Comprehensive Analysis of Differentially Expressed circRNAs Reveals a Colorectal Cancer-Related ceRNA Network. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2020; 2020:7159340. [PMID: 32952599 PMCID: PMC7481959 DOI: 10.1155/2020/7159340] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 07/25/2020] [Indexed: 12/15/2022]
Abstract
The morbidity and mortality of colorectal cancer (CRC) remained to be very high worldwide. Recently, circRNAs had been revealed to have a crucial role in cancer prognosis and progression. Numerous researches have shown that RNA sequencing technology and in silico method were widely used to identify pathogenic mechanisms and uncover promising targets for diagnosis and therapy. In this study, these methods were analyzed to obtain differentially expressed circRNAs (DECs). We identified upregulated 316 circRNAs and reduced 76 circRNAs in CRC samples, in comparison with those in normal tissues. In addition, a competitive endogenous network of circRNA-miRNA-mRNA was established to predict the mechanisms of circRNAs. Bioinformatics analysis revealed that these circRNAs participated in metabolism regulation and cell cycle progression. Of note, we observed the hub genes and miRNAs in this ceRNA network were associated with the survival time in CRC. We think this study could provide potential prognostic biomarkers and targets for CRC.
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30
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Xu B, Yang N, Liu Y, Kong P, Han M, Li B. Circ_cse1l Inhibits Colorectal Cancer Proliferation by Binding to eIF4A3. Med Sci Monit 2020; 26:e923876. [PMID: 32857753 PMCID: PMC7477927 DOI: 10.12659/msm.923876] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background Circular RNAs (circRNAs) are involved in the growth of many tumors. However, the expression and possible role of circ_cse1l (hsa_circ_0060745) in colorectal cancer (CRC) are unclear. The present study was designed to explore the role of circ_cse1l in CRC. Material/Methods The levels of circ_cse1l expression in cancer tissues and serum samples of 50 patients with CRC and in control subjects were analyzed by quantitative reverse transcription-polymerase chain reaction (qRT-PCR). CCK-8, colony formation, transwell and wound healing assays were performed to assess the functions of circ_cse1l in CRC cell lines after overexpression. The relationship between circ_cse1l and eIF4A3 during cell proliferation was analyzed by western blotting and RNA-binding protein immunoprecipitation (RIP). Results qRT-PCR assays showed that the levels of expression of circ_cse1l were lower in CRC cell lines and in tissue and serum samples from patients with CRC than in control samples. The expression of circ_cse11 in CRC tissues had clinical significance, as its level of expression was inversely associated with the depth of tumor invasion. Overexpression of circ_cse1l in HT29 and HCT116 cells markedly reduced cell proliferation and metastasis. Western blotting showed that circ_cse1l overexpression dowregulated the expression of PCNA protein. RIP results demonstrated that circ_cse1l inhibited the proliferation of CRC cells by binding to eIF4A3. Conclusions The expression of circ_cse1l is downregulated in CRC. Furthermore, circ_cse1l downregulated PCNA expression by binding to eIF4A3, inhibiting the proliferation of CRC cells.
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Affiliation(s)
- Bin Xu
- Department of General Surgery, The Fourth Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Ning Yang
- Department of General Surgery, The Fourth Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Yabin Liu
- Department of General Surgery, The Fourth Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Peng Kong
- Department of Biochemistry and Molecular Biology, Basic Medical College, Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Mei Han
- Department of Biochemistry and Molecular Biology, Basic Medical College, Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Binghui Li
- Department of General Surgery, The Fourth Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
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