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Cheng D, Chu F, Liang F, Zhang N, Wang J, Yue W. Downregulation of circ-RAPGEF5 inhibits colorectal cancer progression by reducing the expression of polypeptide N-acetylgalactosaminyltransferase 3 (GALNT3). ENVIRONMENTAL TOXICOLOGY 2024; 39:4249-4260. [PMID: 38775215 DOI: 10.1002/tox.24278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 03/11/2024] [Accepted: 03/31/2024] [Indexed: 07/14/2024]
Abstract
BACKGROUND Circular RNA (circRNA) plays a crucial role in the pathogenesis and progression of colorectal cancer (CRC). However, the current understanding of the emerging function and mechanism of circ-RAPGEF5 in CRC remains poorly understood. METHODS We first evaluated the expression level of circ-RAPGEF5 in CRC tissues and cells by quantitative real-time polymerase chain reaction (qRT-PCR). Then, we analyzed cell proliferation (EdU and colony formation assay), migration (cell wound healing assay), invasion (transwell assay), and apoptosis (flow cytometry assay). To further elucidate the mechanism of circ-RAPGEF5 in CRC, bioinformatics tools, Dual-luciferase reporter assay, Ago2 RNA immunoprecipitation assay, and RNA pull-down assay were employed. Moreover, we established a CRC transplantation tumor model to evaluate the effect of circ-RAPGEF5 on tumor growth in vivo. RESULTS circ-RAPGEF5 was significantly upregulated in CRC tissues and CRC cells. Furthermore, the downregulation of circ-RAPGEF5 restrained CRC cell proliferation, migration, and invasion, and promoted cell apoptosis in vitro. Mechanistically, circ-RAPGEF5 accelerated the malignant behaviors of CRC cells by sponging miR-545-5p, which targeted polypeptide N-acetylgalactosaminyltransferase 3 (GALNT3). In addition, we revealed that circ-RAPGEF5 silence curbed tumor growth in vivo. CONCLUSION These findings revealed that circ-RAPGEF5 played an oncogenic role through the miR-545-5p/GALNT3 axis in CRC progression, providing potential therapeutic targets for the treatment of CRC.
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Affiliation(s)
- Duo Cheng
- Department of Oncology and Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou City, Henan, China
| | - Feifei Chu
- Department of Digestive Diseases, Zhengzhou Central Hospital Affiliated to Zhengzhou University of Zhengzhou, Zhengzhou City, Henan, China
| | - Fang Liang
- Department of Oncology and Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou City, Henan, China
| | - Nan Zhang
- Department of Oncology and Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou City, Henan, China
| | - Jingjing Wang
- Department of Oncology and Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou City, Henan, China
| | - Wenli Yue
- Department of Oncology and Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou City, Henan, China
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Wang J, Wang Y, Zhu J, Wang L, Huang Y, Zhang H, Wang X, Li X. Promoter hypermethylation-induced downregulation of ITGA7 promotes colorectal cancer proliferation and migration by activating the PI3K/AKT/NF-κB pathway. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119785. [PMID: 38885843 DOI: 10.1016/j.bbamcr.2024.119785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/20/2024]
Abstract
We previously reported that integrin alpha 7 (ITGA7) was downregulated in colorectal cancer (CRC) tissues and CRC cell lines and that the lower expression of ITGA7 in CRC tissues was correlated with distant metastasis, suggesting that ITGA7 may function as a suppressor in CRC. The present research was conducted to further investigate the role and mechanisms of ITGA7 in CRC progression. First, bisulfite modification and genomic sequencing (BSP) results showed that the methylation rate of ITGA7 promoter was higher in 10 CRC tissues than in the matched normal tissues. Additionally, 5-Aza-CdR treatment increased ITGA7 expression in CRC cells. Gain-of-function assays revealed the inhibitory role of ITGA7 in CRC cell proliferation and migration. Mechanistically, RNA sequencing, RT-qPCR, and cytoplasm and nuclear separation and rescue assays indicated that knockdown of ITGA7 activated the transcription of MMP9, SETD7, and ADAM15 by enhancing the nuclear translocation of NF-κB. Moreover, CoIP and Western blot suggested a mechanistic model in which ITGA7 binds to CKAP4 to block the interaction of CKAP4 and PI3K p85α and thereby suppress the PI3K/AKT/NF-κB pathway. Accordingly, the current study suggests that ITGA7 functions as a suppressor in CRC progression and that its expression is controlled by promoter methylation.
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Affiliation(s)
- Jianjun Wang
- Department of Histology and Embryology, Wannan Medical College, Wuhu, China
| | - Yu Wang
- Department of Gastroenterology, Clinical Medical Research Center, Suqian First People's Hospital, The Suqian Clinical College of Xuzhou Medical University, Suqian, China
| | - Jijun Zhu
- Department of Gastroenterology, Clinical Medical Research Center, Suqian First People's Hospital, The Suqian Clinical College of Xuzhou Medical University, Suqian, China
| | - Lili Wang
- Department of Gastroenterology, Clinical Medical Research Center, Suqian First People's Hospital, The Suqian Clinical College of Xuzhou Medical University, Suqian, China
| | - Yanlin Huang
- School of Medical Imaging, Wannan Medical College, Wuhu, China
| | - Huiru Zhang
- School of Clinical Medicine, Wannan Medical College, Wuhu, China
| | - Xiaoyan Wang
- Department of Gastroenterology, Clinical Medical Research Center, Suqian First People's Hospital, The Suqian Clinical College of Xuzhou Medical University, Suqian, China.
| | - Xiaomin Li
- Department of Gastroenterology, Clinical Medical Research Center, Suqian First People's Hospital, The Suqian Clinical College of Xuzhou Medical University, Suqian, China; Laboratory of Clinical and Experimental Pathology, National Demonstration Center for Experimental Basic Medical Science Education, Department of Pathology, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, China; Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.
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3
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Mao J, Lu Y. Roles of circRNAs in the progression of colorectal cancer: novel strategies for detection and therapy. Cancer Gene Ther 2024; 31:831-841. [PMID: 38337038 DOI: 10.1038/s41417-024-00739-x] [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: 09/12/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 02/12/2024]
Abstract
Endogenous noncoding RNAs with a covalently closed loop are known as circular RNAs (circRNAs). Recently, published works have revealed that circRNAs, which act as microRNA sponges, are critical for the biological behavior of several kinds of malignancies, including tumor cell proliferation, apoptosis, invasion, and metastasis. Additionally, there is a significant correlation between circRNAs and tumor resistance, stage, prognosis, and size. At present, colorectal cancer (CRC) is one of the most serious malignant tumors for human health. CircRNAs could represent potential targets to use in the prevention, diagnosis, and therapy of CRC, according to many studies. To fully comprehend the role of circRNAs in the incidence and progression of CRC, this review outlines the regulatory role and mechanisms of circRNAs in CRC and assesses their potential relevance as diagnostic and treatment possibilities for CRC. Our goal is to offer meaningful biological information for clinical evaluation and decision-making process for CRC treatment.
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Affiliation(s)
- Jun Mao
- Department of Medical Morphology Laboratory, Dalian Medical University's College of Basic Medical Sciences is located in Dalian, 116044, Dalian, China
- Liaoning Key Laboratory of Cancer Stem Cells, Dalian Medical University's College of Basic Medical Sciences is located in Dalian, 116044, Dalian, China
| | - Ying Lu
- Department of Medical Morphology Laboratory, Dalian Medical University's College of Basic Medical Sciences is located in Dalian, 116044, Dalian, China.
- Liaoning Key Laboratory of Cancer Stem Cells, Dalian Medical University's College of Basic Medical Sciences is located in Dalian, 116044, Dalian, China.
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Qiao W, Niu L, Jiang W, Lu L, Liu J. Berberine ameliorates endothelial progenitor cell function and wound healing in vitro and in vivo via the miR-21-3p/RRAGB axis for venous leg ulcers. Regen Ther 2024; 26:458-468. [PMID: 39100534 PMCID: PMC11296065 DOI: 10.1016/j.reth.2024.06.011] [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: 04/08/2024] [Revised: 06/07/2024] [Accepted: 06/13/2024] [Indexed: 08/06/2024] Open
Abstract
Purpose Venous leg ulcers (VLUs) are prevalent chronic wounds with limited treatment options. This study aimed to investigate the potential of berberine to enhance endothelial progenitor cell (EPC) function in VLU healing. Methods Histopathological changes and inflammatory cytokine levels in a deep venous thrombosis (DVT) mouse model were assessed using HE staining and ELISA assays. A luciferase reporter assay was employed to identify the miR-21-3p and RRAGB targeting relationship. EPC proliferation, migration, and tube formation were evaluated through CCK-8, Transwell, and tubule formation assays, while the mTOR pathway and autophagy-related proteins were analyzed by immunofluorescence staining and western blotting. Results Berberine significantly improved EPC functions, such as proliferation, migration, and tube formation in vitro, and enhanced in vivo EPC-mediated wound healing in a DVT mouse model. Furthermore, miR-21-3p was downregulated in EPCs from VLU patients, and its overexpression improved model EPC functions. Mechanistically, RRAGB, which regulates the mTOR pathway, was identified as a potential miR-21-3p target in EPCs. Overexpression of RRAGB inhibited autophagic activity and impaired EPC function. Conclusion Berberine shows promise in ameliorating EPC function and promoting wound healing in VLUs. The regulation of the miR-21-3p/RRAGB axis by berberine could offer a promising therapeutic approach for managing VLUs.
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Affiliation(s)
- Wei Qiao
- Department of Vascular Surgery, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Lingying Niu
- Department of Immunology, Nanjing Drum Tower Hospital, Nanjing, Jiangsu, China
| | - Weihua Jiang
- Department of Vascular Surgery, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Li Lu
- Department of Vascular Surgery, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Jiali Liu
- Department of Vascular Surgery, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
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Lin J, Zhong W, Lyu Z, Peng J, Rong Y, Zeng K, Lai J, Wu D, Wang J, Li Y, Zheng J, Zhang J, Pan Z. Circular RNA circTATDN3 promotes the Warburg effect and proliferation in colorectal cancer. Cancer Lett 2024; 589:216825. [PMID: 38548218 DOI: 10.1016/j.canlet.2024.216825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/12/2024] [Accepted: 03/18/2024] [Indexed: 04/07/2024]
Abstract
As one of the key metabolic enzymes in the glycolytic pathway, lactate dehydrogenase A (LDHA) might be linked to tumor proliferation by driving the Warburg effect. Circular RNAs (circRNAs) are widely implicated in tumor progression. Here, we report that circTATDN3, a circular RNA that interacts with LDHA, plays a critical role in proliferation and energy metabolism in CRC. We found that circTATDN3 expression was increased in CRC cells and tumor tissues and that high circTATDN3 expression was positively associated with poor postoperative prognosis in CRC patients. Additionally, circTATDN3 promoted the proliferation of CRC cells in vivo and vitro. Mechanistically, circTATDN3 was shown to function as an adaptor molecule that enhances the binding of LDHA to FGFR1, leading to increased LDHA phosphorylation and consequently promoting the Warburg effect. Moreover, circTATDN3 increased the expression of LDHA by sponging miR-511-5p, which synergistically promoted CRC progression and the Warburg effect. In conclusion, circTATDN3 may be a target for the treatment of CRC.
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Affiliation(s)
- Jiatong Lin
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 510080, Guangzhou, China; School of Medicine, South China University of Technology, Guangzhou, Guangdong Province, 510006, China
| | - Wenhui Zhong
- Department of Pancreatic and Gastric Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 100021, Beijing, China
| | - Zejian Lyu
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 510080, Guangzhou, China
| | - Jingwen Peng
- Department of Rehabilitation Medicine, Sun Yat-sen Memorial Hospital, SunYat-sen University, Guangzhou, Guandong, China
| | - Yi Rong
- Department of Thoracic Surgery, Sun Yat-sen University Cancer Center, Guangzhou City, Guangdong Province, China; State Key Laboratory of Oncology in South China, Collaborative Innovation Centre for Cancer Medicine, Guangdong Esophageal Cancer Institute, Guangzhou, China
| | - Kejing Zeng
- Department of Endocrinology, Department of Diabetes and Obesity Reversal Research Center Guangdong Second Provincial General Hospital, 466 Xingang Middle Road, Guangzhou, Guangdong, 510317, China
| | - Jianguo Lai
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 510080, Guangzhou, China
| | - Deqing Wu
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 510080, Guangzhou, China
| | - Junjiang Wang
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 510080, Guangzhou, China
| | - Yong Li
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 510080, Guangzhou, China.
| | - Jun Zheng
- Department of Hepatic Surgery and Liver Transplantation Center of the Third Affiliated Hospital of Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China.
| | - Jianwei Zhang
- Department of Pancreatic and Gastric Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 100021, Beijing, China.
| | - Zihao Pan
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 510080, Guangzhou, China.
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Xu J, Ni M, Wang J, Zhu J, Niu G, Cui J, Li X, Meng Q, Chen R. Low-level PM 2.5 induces the occurrence of early pulmonary injury by regulating circ_0092363. ENVIRONMENT INTERNATIONAL 2024; 187:108700. [PMID: 38678936 DOI: 10.1016/j.envint.2024.108700] [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: 01/27/2024] [Revised: 04/09/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
The significant correlation between particulate matter with aerodynamic diameters of ≤ 2.5 µm (PM2.5) and the high morbidity and mortality of respiratory diseases has become the consensus of the research. Epidemiological studies have clearly pointed out that there is no safe concentration of PM2.5, and mechanism studies have also shown that exposure to PM2.5 will first cause pulmonary inflammation. Therefore, the purpose of this study is to explore the mechanism of early lung injury induced by low-level PM2.5 from the perspective of epigenetics. Based on the previous results of population samples, combined with an in vitro/vivo exposure model of PM2.5, it was found that low-level PM2.5 promoted the transport of circ_0092363 from intracellular to extracellular spaces. The decreased expression of intracellular circ_0092363 resulted in reduced absorption of miR-31-5p, leading to inhibition of Rho associated coiled-coil containing protein kinase 1 (ROCK1) and the subsequent abnormal expression of tight junction proteins such as Zonula occludens protein 1 (ZO-1) and Claudin-1, ultimately inducing the occurrence of early pulmonary injury. Furthermore, this study innovatively introduced organoid technology and conducted a preliminary exploration for a study of the relationship among environmental exposure genomics, epigenetics and disease genomics in organoids. The role of circ_0092363 in early pulmonary injury induced by low-level PM2.5 was elucidated, and its value as a potential diagnostic biomarker was confirmed.
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Affiliation(s)
- Jie Xu
- Yunnan Provincial Key Laboratory of Public Health and Biosafety & School of Public Health, Kunming Medical University, Kunming 650500, China.
| | - Mengyao Ni
- School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Jing Wang
- School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Jiahao Zhu
- School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Guolei Niu
- School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Jiajing Cui
- School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Xiaobo Li
- School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Qingtao Meng
- School of Public Health, Capital Medical University, Beijing 100069, China; Laboratory for Gene-Environment and Reproductive Health, Laboratory for Clinical Medicine, Capital Medical University, Beijing 100069, China; Beijing Laboratory of Allergic Diseases, Beijing Municipal Education Commission, Beijing 100069, China.
| | - Rui Chen
- School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Laboratory of Allergic Diseases, Beijing Municipal Education Commission, Beijing 100069, China; Department of Occupational and Environmental Health, Fourth Military Medical University, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an 710032, China.
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7
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Chen N, Xu L, Bi Z, Wu J. Hypoxia-inducible factor-1α contributes to the proliferation of cholesteatoma keratinocytes through regulating endothelin converting enzyme 1 expression. Laryngoscope Investig Otolaryngol 2024; 9:e1233. [PMID: 38525120 PMCID: PMC10960243 DOI: 10.1002/lio2.1233] [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: 10/15/2023] [Revised: 01/11/2024] [Accepted: 02/25/2024] [Indexed: 03/26/2024] Open
Abstract
Objective Cholesteatoma is a hyperproliferative, pseudoneoplastic lesion of the middle ear characterized by aggressive growth and bone destruction. Hypoxia-inducible factor-1α (HIF-1α, also known as HIF1A) is a key transcription factor that enters the nucleus and upregulates many genes involved in cancer progression in the oxygen-free environment. This study is designed to explore the role and mechanism of HIF1A in the progression of cholesteatoma. Methods HIF1A and endothelin converting enzyme 1 (ECE1) levels were determined using real-time quantitative polymerase chain reaction. The protein levels of HIF1A, Cyclin D1, proliferating cell nuclear antigen, and ECE1 were measured using western blot. Cell viability, proliferation, and cell cycle progression were analyzed using cell counting kit-8, Colony formation, 5-ethynyl-2'-deoxyuridine, and flow cytometry assays. Binding between HIF-1α and ECE1 promoter was predicted by Jaspar and verified using Chromatin immunoprecipitation and dual-luciferase reporter assays. Results HIF1A and ECE1 were highly expressed in cholesteatoma patients and keratinocytes. Moreover, HIF1A knockdown might suppress the cell viability, proliferation, and cycle progression of cholesteatoma keratinocytes. Furthermore, HIF1A upregulated the transcription of ECE1 through binding to its promoter region. Conclusion HIF1A might expedite cholesteatoma keratinocyte proliferation partly by increasing ECE1 expression, providing a possible therapeutic target for the cholesteatoma treatment.
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Affiliation(s)
- Nie Chen
- Department of OtolaryngologyChangzhou No. 2 People's Hospital affiliated to Nanjing Medical UniversityChangzhouChina
| | - Lei Xu
- Department of OtolaryngologyChangzhou No. 2 People's Hospital affiliated to Nanjing Medical UniversityChangzhouChina
| | - Zhi Bi
- Department of OtolaryngologyChangzhou No. 2 People's Hospital affiliated to Nanjing Medical UniversityChangzhouChina
| | - Jian Wu
- Department of OtolaryngologyChangzhou No. 2 People's Hospital affiliated to Nanjing Medical UniversityChangzhouChina
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Niu D, Feng N, Xi S, Xu J, Su Y. Genomics-based analysis of four porcine-derived lactic acid bacteria strains and their evaluation as potential probiotics. Mol Genet Genomics 2024; 299:24. [PMID: 38438804 DOI: 10.1007/s00438-024-02101-0] [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: 06/28/2023] [Accepted: 11/16/2023] [Indexed: 03/06/2024]
Abstract
The search for probiotics and exploration of their functions are crucial for livestock farming. Recently, porcine-derived lactic acid bacteria (LAB) have shown great potential as probiotics. However, research on the evaluation of porcine-derived LAB as potential probiotics through genomics-based analysis is relatively limited. The present study analyzed four porcine-derived LAB strains (Lactobacillus johnsonii L16, Latilactobacillus curvatus ZHA1, Ligilactobacillus salivarius ZSA5 and Ligilactobacillus animalis ZSB1) using genomic techniques and combined with in vitro tests to evaluate their potential as probiotics. The genome sizes of the four strains ranged from 1,897,301 bp to 2,318,470 bp with the GC contents from 33.03 to 41.97%. Pan-genomic analysis and collinearity analysis indicated differences among the genomes of four strains. Carbohydrate active enzymes analysis revealed that L. johnsonii L16 encoded more carbohydrate active enzymes than other strains. KEGG pathway analysis and in vitro tests confirmed that L. johnsonii L16 could utilize a wide range of carbohydrates and had good utilization capacity for each carbohydrate. The four strains had genes related to acid tolerance and were tolerant to low pH, with L. johnsonii L16 showing the greatest tolerance. The four strains contained genes related to bile salt tolerance and were able to tolerate 0.1% bile salt. Four strains had antioxidant related genes and exhibited antioxidant activity in in vitro tests. They contained the genes linked with organic acid biosynthesis and exhibited antibacterial activity against enterotoxigenic Escherichia coli K88 (ETEC K88) and Salmonella 6,7:c:1,5, wherein, L. johnsonii L16 and L. salivarius ZSA5 had gene clusters encoding bacteriocin. Results suggest that genome analysis combined with in vitro tests is an effective approach for evaluating different strains as probiotics. The findings of this study indicate that L. johnsonii L16 has the potential as a probiotic strain among the four strains and provide theoretical basis for the development of probiotics in swine production.
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Affiliation(s)
- Dekai Niu
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, China
| | - Ni Feng
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, China
| | - Siteng Xi
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, China
| | - Jianjian Xu
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, China
| | - Yong Su
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, China.
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Zhan J, Li Z, Lin C, Wang D, Yu L, Xiao X. The role of circRNAs in regulation of drug resistance in ovarian cancer. Front Genet 2023; 14:1320185. [PMID: 38152652 PMCID: PMC10751324 DOI: 10.3389/fgene.2023.1320185] [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: 10/11/2023] [Accepted: 12/04/2023] [Indexed: 12/29/2023] Open
Abstract
Ovarian cancer is one of the female reproductive system tumors. Chemotherapy is used for advanced ovarian cancer patients; however, drug resistance is a pivotal cause of chemotherapeutic failure. Hence, it is critical to explore the molecular mechanisms of drug resistance of ovarian cancer cells and to ameliorate chemoresistance. Noncoding RNAs (ncRNAs) have been identified to critically participate in drug sensitivity in a variety of human cancers, including ovarian cancer. Among ncRNAs, circRNAs sponge miRNAs and prevent miRNAs from regulation of their target mRNAs. CircRNAs can interact with DNA or proteins to modulate gene expression. In this review, we briefly describe the biological functions of circRNAs in the development and progression of ovarian cancer. Moreover, we discuss the underneath regulatory molecular mechanisms of circRNAs on governing drug resistance in ovarian cancer. Furthermore, we mention the novel strategies to overcome drug resistance via targeting circRNAs in ovarian cancer. Due to that circRNAs play a key role in modulation of drug resistance in ovarian cancer, targeting circRNAs could be a novel approach for attenuation of chemoresistance in ovarian cancer.
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Affiliation(s)
- Jun Zhan
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan, China
| | - Zhiyi Li
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan, China
| | - Changsheng Lin
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan, China
| | - Dingding Wang
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan, China
| | - Lei Yu
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan, China
| | - Xue Xiao
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan, China
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Zhang X, Xu X, Song J, Xu Y, Qian H, Jin J, Liang ZF. Non-coding RNAs' function in cancer development, diagnosis and therapy. Biomed Pharmacother 2023; 167:115527. [PMID: 37751642 DOI: 10.1016/j.biopha.2023.115527] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/05/2023] [Accepted: 09/15/2023] [Indexed: 09/28/2023] Open
Abstract
While previous research on cancer biology has focused on genes that code for proteins, in recent years it has been discovered that non-coding RNAs (ncRNAs)play key regulatory roles in cell biological functions. NcRNAs account for more than 95% of human transcripts and are an important entry point for the study of the mechanism of cancer development. An increasing number of studies have demonstrated that ncRNAs can act as tumor suppressor genes or oncogenes to regulate tumor development at the epigenetic level, transcriptional level, as well as post-transcriptional level. Because of the importance of ncRNAs in cancer, most clinical trials have focused on ncRNAs to explore whether ncRNAs can be used as new biomarkers or therapies. In this review, we focus on recent studies of ncRNAs including microRNAs (miRNAs), long ncRNAs (lncRNAs), circle RNAs (circRNAs), PIWI interacting RNAs (piRNAs), and tRNA in different types of cancer and explore the application of these ncRNAs in the development of cancer and the identification of relevant therapeutic targets and tumor biomarkers. Graphical abstract drawn by Fidraw.
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Affiliation(s)
- XinYi Zhang
- Wujin Institute of Molecular Diagnostics and Precision Cancer Medicine of Jiangsu University, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu university, Zhenjiang, Jiangsu 212013, China
| | - Xiaoqing Xu
- Nanjing Renpin ENT Hospital, Nanjing 210000, Jiangsu, China
| | - Jiajia Song
- Wujin Institute of Molecular Diagnostics and Precision Cancer Medicine of Jiangsu University, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu university, Zhenjiang, Jiangsu 212013, China
| | - Yumeng Xu
- Wujin Institute of Molecular Diagnostics and Precision Cancer Medicine of Jiangsu University, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu university, Zhenjiang, Jiangsu 212013, China
| | - Hui Qian
- Wujin Institute of Molecular Diagnostics and Precision Cancer Medicine of Jiangsu University, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu university, Zhenjiang, Jiangsu 212013, China
| | - Jianhua Jin
- Wujin Institute of Molecular Diagnostics and Precision Cancer Medicine of Jiangsu University, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, China.
| | - Zhao Feng Liang
- Wujin Institute of Molecular Diagnostics and Precision Cancer Medicine of Jiangsu University, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu university, Zhenjiang, Jiangsu 212013, China.
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Li Q, Liu X, Mao J, Liu S, Hou B, Li K, Fang D. RRAGB-mediated suppression of PI3K/AKT exerts anti-cancer role in glioblastoma. Biochem Biophys Res Commun 2023; 676:149-157. [PMID: 37517217 DOI: 10.1016/j.bbrc.2023.07.031] [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: 07/04/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 08/01/2023]
Abstract
Glioblastoma (GBM) has a high degree of invasiveness, which is largely attributed to the invalidation of current therapy and the unclear tumor growth mechanism. Ras related GTP binding B (RRAGB) is a family member of the Ras-homologous GTPases. The effect of RRAGB on tumor growth has been recognized, but its influences on GBM progression are ill-defined. Here, in our research, a significantly decreased expression of RRAGB in GBM tissues by using TCGA databases and glioma samples is observed. According to Kaplan-Meier (KM) analysis, RRAGB low expression leads to a significant decrease of overall survival rate of patients, and is associated with the classification of WHO grade, histological type and age increase. Functional enrichment analysis reveals that the pathway of enrichment includes cell cycle arrest, extracellular matrix (ECM) processes and PI3K/AKT signal. Thereafter, our cell experiments confirm an obvious decrease of RRAGB in several GBM cell lines. It should be noted that RRAGB promotion strongly reduces the proliferation, migration and invasion of GBM cells and induces cell cycle arrest in G0/G1 phase. RRAGB up-regulation significantly decreases the expression of PI3K, phosphorylated AKT, mTOR and S6K in GBM cell lines. Surprisingly, we further find that RRAGB-restrained proliferative, migratory and invasive properties of GBM cells are markedly offset after promoting AKT activation, accompanied with restored phosphorylation of mTOR and S6K, elucidating that AKT signaling blockage is partially indispensable for RRAGB to play its anti-cancer role in GBM. Animal studies confirmed that RRAGB over-expression obviously inhibits the tumor growth both in the xenograft and orthotopic mouse glioma models, along with improved overall survival rates. In short, we provide evidence that RRAGB is a potential therapeutic target and prognostic marker for GBM treatment.
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Affiliation(s)
- Qinggang Li
- Department of Neurosurgery, Peking University People's Hospital, No. 11, Xizhimen South Street, Xicheng District, Beijing, 100044, China; Department of Neurosurgery, Beijing Beiya Orthopedic Hospital, No. 20, Haotian North Street, Fangshan District, Beijing, 102445, China
| | - Xiaonan Liu
- Sanmenxia Key Laboratory of Neurotumor Diagnosis and Treatment, Department of Neurosurgery, Sanmenxia Central Hospital, 472000, Sanmenxia, Henan, China
| | - Jian Mao
- Sanmenxia Key Laboratory of Neurotumor Diagnosis and Treatment, Department of Neurosurgery, Sanmenxia Central Hospital, 472000, Sanmenxia, Henan, China
| | - Shimin Liu
- Sanmenxia Key Laboratory of Neurotumor Diagnosis and Treatment, Department of Neurosurgery, Sanmenxia Central Hospital, 472000, Sanmenxia, Henan, China
| | - Baosen Hou
- Sanmenxia Key Laboratory of Neurotumor Diagnosis and Treatment, Department of Neurosurgery, Sanmenxia Central Hospital, 472000, Sanmenxia, Henan, China
| | - Kaiyan Li
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, 471000, China
| | - Dandong Fang
- Sanmenxia Key Laboratory of Neurotumor Diagnosis and Treatment, Department of Neurosurgery, Sanmenxia Central Hospital, 472000, Sanmenxia, Henan, China.
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Chao F, Zhang Y, Lv L, Wei Y, Dou X, Chang N, Yi Q, Li M. Extracellular Vesicles Derived circSH3PXD2A Inhibits Chemoresistance of Small Cell Lung Cancer by miR-375-3p/YAP1. Int J Nanomedicine 2023; 18:2989-3006. [PMID: 37304971 PMCID: PMC10256819 DOI: 10.2147/ijn.s407116] [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: 02/16/2023] [Accepted: 05/19/2023] [Indexed: 06/13/2023] Open
Abstract
Introduction Small cell lung cancer (SCLC) is a subtype of lung cancer with high malignancy and poor prognosis. Rapid acquisition of chemoresistance is one of the main reasons leading to clinical treatment failure of SCLC. Studies have indicated that circRNAs participate in multiple processes of tumor progression, including chemoresistance. However, the molecular mechanisms of circRNAs driving the chemoresistance of SCLC are not well specified. Methods The differentially expressed circRNAs were screened by transcriptome sequencing of chemoresistant and chemosensitive SCLC cells. The EVs of SCLC cells were isolated and identified by ultracentrifugation, Western blotting, transmission electron microscopy, nanoparticle tracking analysis and EVs uptake assays. The expression levels of circSH3PXD2A in serum and EVs of SCLC patients and healthy individuals were detected by qRT‒PCR. The characteristics of circSH3PXD2A were detected by Sanger sequencing, RNase R assay, nuclear-cytoplasmic fraction assay, and fluorescence in situ hybridization assay. The mechanisms of circSH3PXD2A inhibiting SCLC progression were studied by bioinformatics analysis, chemoresistance assay, proliferation assay, apoptosis assay, transwell assay, pull-down assay, luciferase reporting assay, and mouse xenograft assay. Results It was identified that the circSH3PXD2A was a prominently downregulated circRNA in chemoresistant SCLC cells. The expression level of circSH3PXD2A in EVs of SCLC patients was negatively associated with chemoresistance, and the combination of EVs-derived circSH3PXD2A and serum ProGRP (Progastrin-releasing peptide) levels had better indications for DDP-resistant SCLC patients. CircSH3PXD2A inhibited the chemoresistance, proliferation, migration, and invasion of SCLC cells through miR-375-3p/YAP1 axis in vivo and in vitro. SCLC cells cocultured with EVs secreted by circSH3PXD2A-overexpressing cells exhibited decreased chemoresistance and cell proliferation. Conclusion Our results manifest that EVs-derived circSH3PXD2A inhibits the chemoresistance of SCLC through miR-375-3p/YAP1 axis. Moreover, EVs-derived circSH3PXD2A may serve as a predictive biomarker for DDP-resistant SCLC patients.
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Affiliation(s)
- Fengmei Chao
- Department of Cancer Epigenetics Program, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230031, People’s Republic of China
| | - Yang Zhang
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230031, People’s Republic of China
- Core Unit of National Clinical Research Center for Laboratory Medicine of China, Hefei, Anhui, 230001, People's Republic of China
| | - Lei Lv
- Department of Cancer Epigenetics Program, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230031, People’s Republic of China
| | - Yaqin Wei
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230031, People’s Republic of China
- Core Unit of National Clinical Research Center for Laboratory Medicine of China, Hefei, Anhui, 230001, People's Republic of China
| | - Xiaoyan Dou
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230031, People’s Republic of China
- Core Unit of National Clinical Research Center for Laboratory Medicine of China, Hefei, Anhui, 230001, People's Republic of China
| | - Na Chang
- Department of Radiation Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230031, People’s Republic of China
| | - Qiyi Yi
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, 230032, People’s Republic of China
| | - Ming Li
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230031, People’s Republic of China
- Core Unit of National Clinical Research Center for Laboratory Medicine of China, Hefei, Anhui, 230001, People's Republic of China
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Ma SC, Zhang JQ, Yan TH, Miao MX, Cao YM, Cao YB, Zhang LC, Li L. Novel strategies to reverse chemoresistance in colorectal cancer. Cancer Med 2023. [PMID: 36645225 DOI: 10.1002/cam4.5594] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/02/2022] [Accepted: 12/21/2022] [Indexed: 01/17/2023] Open
Abstract
Colorectal cancer (CRC) is a common gastrointestinal malignancy with high morbidity and fatality. Chemotherapy, as traditional therapy for CRC, has exerted well antitumor effect and greatly improved the survival of CRC patients. Nevertheless, chemoresistance is one of the major problems during chemotherapy for CRC and significantly limits the efficacy of the treatment and influences the prognosis of patients. To overcome chemoresistance in CRC, many strategies are being investigated. Here, we review the common and novel measures to combat the resistance, including drug repurposing (nonsteroidal anti-inflammatory drugs, metformin, dichloroacetate, enalapril, ivermectin, bazedoxifene, melatonin, and S-adenosylmethionine), gene therapy (ribozymes, RNAi, CRISPR/Cas9, epigenetic therapy, antisense oligonucleotides, and noncoding RNAs), protein inhibitor (EFGR inhibitor, S1PR2 inhibitor, and DNA methyltransferase inhibitor), natural herbal compounds (polyphenols, terpenoids, quinones, alkaloids, and sterols), new drug delivery system (nanocarriers, liposomes, exosomes, and hydrogels), and combination therapy. These common or novel strategies for the reversal of chemoresistance promise to improve the treatment of CRC.
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Affiliation(s)
- Shu-Chang Ma
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Physiology and Pharmacology, China Pharmaceutic University, Nanjing, China
| | - Jia-Qi Zhang
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tian-Hua Yan
- Department of Physiology and Pharmacology, China Pharmaceutic University, Nanjing, China
| | - Ming-Xing Miao
- Department of Physiology and Pharmacology, China Pharmaceutic University, Nanjing, China
| | - Ye-Min Cao
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yong-Bing Cao
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li-Chao Zhang
- Department of Pharmacy, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, China
| | - Ling Li
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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