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Liu W, Sun Y, Huo Y, Zhang L, Zhang N, Yang M. Circular RNAs in lung cancer: implications for preventing therapeutic resistance. EBioMedicine 2024; 107:105309. [PMID: 39191172 DOI: 10.1016/j.ebiom.2024.105309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Revised: 08/11/2024] [Accepted: 08/12/2024] [Indexed: 08/29/2024] Open
Abstract
LC is one of the most common malignant tumours that often presents with no distinct symptoms in the early stages, leading to late diagnoses when patients are at an advanced stage and no longer suitable for surgical treatment. Although adjuvant treatments are available, patients frequently develop tolerance to these treatments over time, resulting in poor prognoses for patients with advanced LC. Recently, circular RNAs (circRNAs), a type of non-coding RNA, have gained significant attention in LC research. Owing to their unique circular structure, circRNAs are highly stable within cells. This review systematically summarises the expression, characteristics, biological functions, and molecular regulatory mechanisms of circRNAs involved in therapy resistance as well as the potential applications in early diagnosis and gene targeting therapy in LC.
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Affiliation(s)
- Wenjuan Liu
- Shandong Provincial Key Laboratory of Precision Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, China; School of Life Sciences, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, 271021, Shandong Province, China
| | - Yawen Sun
- Department of Scientific Research and Education, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, China
| | - Yanfei Huo
- Shandong Provincial Key Laboratory of Precision Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, China
| | - Long Zhang
- Shandong Provincial Key Laboratory of Precision Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, China
| | - Nasha Zhang
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Jinan, Shandong Province, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, Jiangsu Province, China.
| | - Ming Yang
- Shandong Provincial Key Laboratory of Precision Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, China; School of Life Sciences, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, 271021, Shandong Province, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, Jiangsu Province, China.
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Wang C, Xu B, Tao C, Lin H, Liu D, Zhang H. circPTP4A2 knockdown suppresses NSCLC progression via regulating proliferation and activating anti-tumor immunity. J Cardiothorac Surg 2024; 19:453. [PMID: 39014449 PMCID: PMC11250973 DOI: 10.1186/s13019-024-02964-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 06/30/2024] [Indexed: 07/18/2024] Open
Abstract
BACKGROUND With a considerable variety of cancer subtypes, Non-small cell lung cancer (NSCLC) poses a substantial threat to public health, affecting a large number of individuals and resulting in a high mortality rate. Circular RNA (circRNA) has been applied in various diseases, including cancers. This study aims to investigate the clinial significance and functional role of circPTP4A2 in NSCLC. METHODS The serum and tissue samples were collected for detecting circPTP4A2 expression in NSCLC using reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Actinomycin D was used to treat NSCLC cells to detect circPTP4A2 stability. The CCK-8 and Transwell assays were utilized to assess the effects of circPTP4A2 in NSCLC cells. The ELISA assay and cytotoxicity analysis were used to detect the roles of circPTP4A2 in immune escape. RESULTS The serum and tissue circPTP4A2 expression was upregulated in NSCLC. The high circPTP4A2 had a relatively high value in differentiating NSCLC patients from healthy individuals. The proliferation, invasion, and immune escape were repressed by circPTP4A2 knockdown. CONCLUSIONS High circPTP4A2 has the potential to be a diagnostic biomarker in NSCLC. Silencing of circPTP4A2 receded the progression of NSCLC and enhanced antitumor immunity, which might provide potential targets and new ideas for improving the diagnosis and effect of immunotherapy in NSCLC patients.
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Affiliation(s)
- Chun Wang
- Department of Respiratory Medicine, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, 215 Guangzhou Road, Nanjing City, Jiangsu Province, 210029, China
| | - Bin Xu
- Department of Respiratory Medicine, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, 215 Guangzhou Road, Nanjing City, Jiangsu Province, 210029, China
| | - Chengzhi Tao
- Department of Respiratory Medicine, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, 215 Guangzhou Road, Nanjing City, Jiangsu Province, 210029, China
| | - Huan Lin
- Department of Respiratory Medicine, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, 215 Guangzhou Road, Nanjing City, Jiangsu Province, 210029, China
| | - Dan Liu
- Department of Respiratory Medicine, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, 215 Guangzhou Road, Nanjing City, Jiangsu Province, 210029, China.
| | - Haitao Zhang
- Department of Respiratory Medicine, Nanjing Chest Hospital, Affiliated Nanjing Brain Hospital, Nanjing Medical University, 215 Guangzhou Road, Nanjing City, Jiangsu Province, 210029, China.
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Han R, Rao X, Zhou H, Lu L. Synergistic Immunoregulation: harnessing CircRNAs and PiRNAs to Amplify PD-1/PD-L1 Inhibition Therapy. Int J Nanomedicine 2024; 19:4803-4834. [PMID: 38828205 PMCID: PMC11144010 DOI: 10.2147/ijn.s461289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 05/12/2024] [Indexed: 06/05/2024] Open
Abstract
The utilization of PD-1/PD-L1 inhibitors marks a significant advancement in cancer therapy. However, the efficacy of monotherapy is still disappointing in a substantial subset of patients, necessitating the exploration of combinational strategies. Emerging from the promising results of the KEYNOTE-942 trial, RNA-based therapies, particularly circRNAs and piRNAs, have distinguished themselves as innovative sensitizers to immune checkpoint inhibitors (ICIs). These non-coding RNAs, notable for their stability and specificity, were once underrecognized but are now known for their crucial roles in regulating PD-L1 expression and bolstering anti-cancer immunity. Our manuscript offers a comprehensive analysis of selected circRNAs and piRNAs, elucidating their immunomodulatory effects and mechanisms, thus underscoring their potential as ICIs enhancers. In conjunction with the recent Nobel Prize-awarded advancements in mRNA vaccine technology, our review highlights the transformative implications of these findings for cancer treatment. We also discuss the prospects of circRNAs and piRNAs in future therapeutic applications and research. This study pioneers the synergistic application of circRNAs and piRNAs as novel sensitizers to augment PD-1/PD-L1 inhibition therapy, demonstrating their unique roles in regulating PD-L1 expression and modulating immune responses. Our findings offer a groundbreaking approach for enhancing the efficacy of cancer immunotherapy, opening new avenues for treatment strategies. This abstract aims to encapsulate the essence of our research and the burgeoning role of these non-coding RNAs in enhancing PD-1/PD-L1 inhibition therapy, encouraging further investigation into this promising field.
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Affiliation(s)
- Rui Han
- Department of Chinese Medicine Oncology, The First Affiliated Hospital of Naval Medical University, Shanghai, People’s Republic of China
- Department of Chinese Medicine, Naval Medical University, Shanghai, People’s Republic of China
| | - Xiwu Rao
- Department of Oncology, The First Hospital Affiliated to Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Huiling Zhou
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, People’s Republic of China
| | - Lingeng Lu
- Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, New Haven, CT, USA
- School of Medicine, Center for Biomedical Data Science, Yale University, New Haven, CT, USA
- Yale Cancer Center, Yale University, New Haven, CT, USA
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Zhao Y, Chen J, Xu S, Chen Y. CircMETTL15 induces TMTC3 production by absorbing miR-944 to promote hepatocellular carcinoma cell malignancy. J Biochem Mol Toxicol 2024; 38:e23567. [PMID: 37867458 DOI: 10.1002/jbt.23567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 08/26/2023] [Accepted: 10/12/2023] [Indexed: 10/24/2023]
Abstract
Previous data have suggested the involvement of circular RNA (circRNA) in hepatocellular carcinoma (HCC) progression. Up to now, the effect of circMETTL15 on HCC development remains unknown. This study aims to analyze the function of circMETTL15 in HCC development and the underlying mechanism. RNA expression of circMETTL15, miR-944, and transmembrane O-mannosyltransferase targeting cadherins 3 (TMTC3) were detected by quantitative real-time polymerase chain reaction (qRT-PCR). Protein expression was evaluated by Western blot analysis assay or immunohistochemistry assay. Cell proliferation was investigated by cell counting kit-8 assay, 5-Ethynyl-29-deoxyuridine (EdU) assay, and cell colony formation assay. Cell migration and invasion were assessed by wound-healing assay and transwell assay, respectively. Angiogenic capacity was analyzed by tube formation assay. Dual-luciferase reporter assay and RNA immunoprecipitation assay were conducted to identify the interplay between miR-944 and circMETTL15 or TMTC3. Xenograft mouse model assay was conducted to reveal the effect of circMETTL15 on tumor formation in vivo. CircMETTL15 and TMTC3 expression were significantly upregulated, while miR-944 expression was downregulated in HCC tissues and cells. CircMETTL15 knockdown led to decreased cell proliferation, migration, invasion, and tube formation. Besides, the inhibitors of miR-944, a target miRNA of circMETTL15, partially restored circMETTL15 silencing-mediated effects on the proliferation, migration, invasion, and tube formation of HCC cells. MiR-944 overexpression also inhibited HCC cell malignancy by targeting TMTC3. Furthermore, circMETTL15 absence inhibited tumor formation by regulating miR-944 and TMTC3 in vivo. In conclusion, circMETTL15 induced HCC development through the miR-944/TMTC3 pathway, raising the potential of circMETTL15 as a target for HCC therapy.
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Affiliation(s)
- Yajun Zhao
- Department of Hepatology, Xiamen Humanity Hospital Fujian Medical University, Xiamen, China
| | - Jianbo Chen
- Department of Medical Oncology, School of Medicine, The First Affiliated Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Shuzhen Xu
- Department of Gastrointestinal Surgery, Zhongshan Hospital Xiamen University, Xiamen, China
| | - Yanwen Chen
- Department of Hepatobiliary and Pancreatic Surgery, Xiamen Humanity Hospital Fujian Medical University, Xiamen, China
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Yan L, Yan Q. Serum circRNA_100199 is a Prognostic Biomarker in Acute Myeloid Leukemia. Int J Gen Med 2023; 16:4661-4668. [PMID: 37868816 PMCID: PMC10588716 DOI: 10.2147/ijgm.s426218] [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: 07/04/2023] [Accepted: 09/13/2023] [Indexed: 10/24/2023] Open
Abstract
Background An aberrant level of serum microRNA expression has been demonstrated to be a prognostic marker for acute myeloid leukemia (AML). The therapeutic relevance of serum circRNA 100199 remained unknown, however. This research aimed to investigate the probable prognostic significance of serum circRNA_100199 for AML. Methods This study included a total of 200 participants consisting of 114 AML-diagnosed patients and 86 healthy people. Blood samples were taken, and the level of circRNA_100199 in the serum was measured using quantitative reverse transcription polymerase chain reaction (qRT-PCR) to explore its potential clinical significance. Results Our study demonstrated that circRNA_100199 expression in the serum was substantially higher in AML subjects than in healthy persons. This increase in serum circRNA_100199 levels was particularly noticeable in M4/M5 subtype AML patients, and those with poor cytogenetic risk or higher white blood cell counts. Using receiver operating characteristic (ROC) analysis, AML cases were effectively differentiated from healthy persons based on the level of serum circRNA_100199. Furthermore, it was found that high serum circRNA_100199 expression was strongly linked with shorter survival times and more severe clinical features. Our study also confirmed that high serum circRNA_100199 expression was an independent predictor of relapse-free survival (RFS) and overall survival (OS) in AML patients. Interestingly, the serum expression level of circRNA_100199 was significantly reduced following treatment, and its levels were substantially lower in AML patients who achieved complete remission (CR) than those who did not. Conclusion Overall, these findings suggest that serum circRNA_100199 has the potential to be a favorable prognostic biomarker for AML.
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Affiliation(s)
- Lingqiao Yan
- Department of Hematology, the First People’s Hospital of Wenling, Wenling, Zhejiang, 317500, People’s Republic of China
| | - Qingxian Yan
- Department of Hematology, the First People’s Hospital of Wenling, Wenling, Zhejiang, 317500, People’s Republic of China
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The Interaction of Programmed Cell Death Protein and Its Ligands with Non-Coding RNAs in Neoplasms: Emerging Anticancer Immunotherapeutics. Processes (Basel) 2023. [DOI: 10.3390/pr11020538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
Recent studies have demonstrated that cancer cells can elude immune cells by creating a sanctuary within the tumor’s microenvironment. Large amounts of immune-suppressing signaling proteins can be expressed by cancer cells. One of the most important mechanisms in this system is immune suppression caused by tumors and the modulation of the immune checkpoint. The immune checkpoint is modulated by both the programmed cell death protein 1 (PD-1) and its ligands, programmed death ligand 1 (PD-L1) and PD-L2. Non-coding RNAs (ncRNA), including the more well-known microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), all play roles in the regulation of biological processes and extensive diseases such as cancer. Thus, the focus of this study is on the interactions between the programmed death protein and its ligands with miRNAs, lncRNAs, and circRNAs during tumorigenesis and tumor progression. Furthermore, some FDA-approved drugs for the treatment of various cancers were based on their interactions with PD-1, PD-Ls, and ncRNAs. This promising strategy is still in the production stages, with additional results and clinical trials being processed.
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Srivastava S, Garg I, Singh Y, Meena R, Ghosh N, Kumari B, Kumar V, Eslavath MR, Singh S, Dogra V, Bargotya M, Bhattar S, Gupta U, Jain S, Hussain J, Varshney R, Ganju L. Evaluation of altered miRNA expression pattern to predict COVID-19 severity. Heliyon 2023; 9:e13388. [PMID: 36743852 PMCID: PMC9889280 DOI: 10.1016/j.heliyon.2023.e13388] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 01/20/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
Outbreak of COVID-19 pandemic in December 2019 affected millions of people globally. After substantial research, several biomarkers for COVID-19 have been validated however no specific and reliable biomarker for the prognosis of patients with COVID-19 infection exists. Present study was designed to identify specific biomarkers to predict COVID-19 severity and tool for formulating treatment. A small cohort of subjects (n = 43) were enrolled and categorized in four study groups; Dead (n = 16), Severe (n = 10) and Moderate (n = 7) patients and healthy controls (n = 10). Small RNA sequencing was done on Illumina platform after isolation of microRNA from peripheral blood. Differential expression (DE) of miRNA (patients groups compared to control) revealed 118 down-regulated and 103 up-regulated known miRNAs with fold change (FC) expression ≥2 folds and p ≤ 0.05. DE miRNAs were then subjected to functional enrichment and network analysis. Bioinformatic analysis resulted in 31 miRNAs (24 Down-regulated; 7 up-regulated) significantly associated with COVID-19 having AUC>0.8 obtained from ROC curve. Seventeen out of 31 DE miRNAs have been linked to COVID-19 in previous studies. Three miRNAs, hsa-miR-147b-5p and hsa-miR-107 (down-regulated) and hsa-miR-1299 (up-regulated) showed significant unique DE in Dead patients. Another set of 4 miRNAs, hsa-miR-224-5p (down-regulated) and hsa-miR-4659b-3p, hsa-miR-495-3p and hsa-miR-335-3p were differentially up-regulated uniquely in Severe patients. Members of three miRNA families, hsa-miR-20, hsa-miR-32 and hsa-miR-548 were significantly down-regulated in all patients group in comparison to healthy controls. Thus a distinct miRNA expression profile was observed in Dead, Severe and Moderate COVID-19 patients. Present study suggests a panel of miRNAs which identified in COVID-19 patients and could be utilized as potential diagnostic biomarkers for predicting COVID-19 severity.
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Affiliation(s)
- Swati Srivastava
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India,Corresponding author
| | - Iti Garg
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India,Corresponding author
| | - Yamini Singh
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Ramesh Meena
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Nilanjana Ghosh
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Babita Kumari
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Vinay Kumar
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Malleswara Rao Eslavath
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Sayar Singh
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Vikas Dogra
- Pulmonary Medicine, Rajiv Gandhi Super Speciality Hospital (RGSSH), Delhi, India
| | - Mona Bargotya
- Pulmonary Medicine, Rajiv Gandhi Super Speciality Hospital (RGSSH), Delhi, India
| | - Sonali Bhattar
- Pulmonary Medicine, Rajiv Gandhi Super Speciality Hospital (RGSSH), Delhi, India
| | - Utkarsh Gupta
- Pulmonary Medicine, Rajiv Gandhi Super Speciality Hospital (RGSSH), Delhi, India
| | - Shruti Jain
- Pulmonary Medicine, Rajiv Gandhi Super Speciality Hospital (RGSSH), Delhi, India
| | - Javid Hussain
- Pulmonary Medicine, Rajiv Gandhi Super Speciality Hospital (RGSSH), Delhi, India
| | - Rajeev Varshney
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
| | - Lilly Ganju
- Genomics Division, Defence Institute of Physiology and Allied Science (DIPAS), Lucknow Road, Timarpur, Delhi, 110054, India
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Abstract
The methyltransferase-like (METTL) family is a diverse group of methyltransferases that can methylate nucleotides, proteins, and small molecules. Despite this diverse array of substrates, they all share a characteristic seven-beta-strand catalytic domain, and recent evidence suggests many also share an important role in stem cell biology. The most well characterized family members METTL3 and METTL14 dimerize to form an N6-methyladenosine (m6A) RNA methyltransferase with established roles in cancer progression. However, new mouse models indicate that METTL3/METTL14 are also important for embryonic stem cell (ESC) development and postnatal hematopoietic and neural stem cell self-renewal and differentiation. METTL1, METTL5, METTL6, METTL8, and METTL17 also have recently identified roles in ESC pluripotency and differentiation, while METTL11A/11B, METTL4, METTL7A, and METTL22 have been shown to play roles in neural, mesenchymal, bone, and hematopoietic stem cell development, respectively. Additionally, a variety of other METTL family members are translational regulators, a role that could place them as important players in the transition from stem cell quiescence to differentiation. Here we will summarize what is known about the role of METTL proteins in stem cell differentiation and highlight the connection between their growing importance in development and their established roles in oncogenesis.
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Affiliation(s)
- John G Tooley
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 955 Main St., Buffalo, NY, 14203, USA
| | - James P Catlin
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 955 Main St., Buffalo, NY, 14203, USA
| | - Christine E Schaner Tooley
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 955 Main St., Buffalo, NY, 14203, USA.
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Li X, Wang W, Chen J, Xie B, Luo S, Chen D, Cai C, Li C, Li W. The potential role of exosomal miRNAs and membrane proteins in acute HIV-infected people. Front Immunol 2022; 13:939504. [PMID: 36032099 PMCID: PMC9411714 DOI: 10.3389/fimmu.2022.939504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/21/2022] [Indexed: 11/23/2022] Open
Abstract
Exosomes play an important role during human immunodeficiency virus (HIV) acute infection. Yet, information regarding its cargo and its association with HIV rapid progressors (RPs) and typical progressors (TPs) remain largely unknown. In this study, exosomal miRNAs sequencing and mass cytometry were used to identify differential exosomal miRNAs and membrane proteins that participate in the pathogenesis of TPs and RPs. We discovered that miR-144-5p, miR-1180-3p, miR-451a, miR-362-5p, and miR-625-5p are associated with the TPs and miR-362-5p with the RPs. Decreased autophagy, amino acid metabolism, immune response, and IL-6 are closely related to RPs. In addition, SP1 was selected as the most significant transcription factor (TF) associated with disease progression. CD49D, CD5, CCR5, CD40, CD14, and CD86 were selected as the differential exosomal membrane proteins between TPs and RPs. This study provides valuable information for clarifying the mechanism in people with acute HIV infection.
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Affiliation(s)
- Xin Li
- Institute of Infectious Diseases of Integrated Traditional Chinese and Western Medicine, Beijing Youan Hospital, Capital Medical University, Beijing, China
- General Surgery Center, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Wenjing Wang
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Jing Chen
- Institute of Infectious Diseases of Integrated Traditional Chinese and Western Medicine, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Bangxiang Xie
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Shumin Luo
- Institute of Infectious Diseases of Integrated Traditional Chinese and Western Medicine, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Dexi Chen
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Chao Cai
- Institute of Infectious Diseases of Integrated Traditional Chinese and Western Medicine, Beijing Youan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Weihua Li, ; Chao Cai, ; Chuanyun Li,
| | - Chuanyun Li
- General Surgery Center, Beijing Youan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Weihua Li, ; Chao Cai, ; Chuanyun Li,
| | - Weihua Li
- Institute of Infectious Diseases of Integrated Traditional Chinese and Western Medicine, Beijing Youan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Weihua Li, ; Chao Cai, ; Chuanyun Li,
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Li B, Li H, Dai L, Liu C, Wang L, Li Q, Gu C. NIK-SIX1 signalling axis regulates high glucose-induced endothelial cell dysfunction and inflammation. Autoimmunity 2022; 55:86-94. [PMID: 34894925 DOI: 10.1080/08916934.2021.2015579] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/05/2021] [Accepted: 12/04/2021] [Indexed: 12/12/2022]
Abstract
Endothelial dysfunction and inflammation are the main manifestations of diabetes-associated atherosclerosis. This paper studied the roles of NF-κB-inducing kinase (NIK) and sine oculis homeobox homolog 1 (SIX1) in regulating high glucose-induced endothelial dysfunction and inflammation. The expression of NIK and SIX1 in human umbilical vein endothelial cells (HUVECs) was silenced by transfection with the specific shRNAs. HUVECs exposed to high glucose were considered as a cell model of endothelial dysfunction. Expression of NIK and SIX1 following transfection was measured by qRT-PCR and western blotting analysis. The proliferation, migration, and inflammation of HUVECs were evaluated by EdU staining, scratch test, ELISA, and western blotting. High glucose (30 mM) significantly decreased the proliferation and migration of HUVECs. High glucose-induced the expression of adhesion molecules VCAM-1 and ICAM-1. Moreover, high glucose increased the release of IL-1β, IL-6, TNF-α, and MCP-1. Transfection of cells with NIK shRNA significantly reversed the toxic effects of high glucose on HUVECs. Of contrast, SIX1 shRNA accelerated the effects of high glucose on HUVECs. NIK shRNA inhibited the accumulation of RelA, RelB, and p52. Meanwhile, NIK shRNA led to SIX1 downregulation which further induced the activation of the NF-κB pathway. NIK-SIX1 signalling axis was suggested to be critical in the regulation of high glucose-induced endothelial dysfunction and inflammation. SIX1 may function as an immunological gatekeeper to control the excessive inflammation mediated by NIK in diabetes-associated atherosclerosis.
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Affiliation(s)
- Bo Li
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Haiming Li
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Longsheng Dai
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Changcheng Liu
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Liangshan Wang
- Department of Cardiac Surgery Intensive Care Unit, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Qin Li
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Chengxiong Gu
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
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Jiang JM, Mo ML, Long XP, Xie LH. MiR-144-3p induced by SP1 promotes IL-1β-induced pyroptosis in chondrocytes via PTEN/PINK1/Parkin axis. Autoimmunity 2021; 55:21-31. [PMID: 34730058 DOI: 10.1080/08916934.2021.1983802] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Rheumatoid arthritis (RA) often leads to functional disabilities and deformities. MiRNA plays a vital role in cell pyroptosis. Nevertheless, the function and underlying mechanism of miR-144-3p in pyroptosis during the progression of RA remains unclear. In this study, N1511 cells were stimulated with IL-1β to construct a RA model. 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay was performed to assess the cell viability. Cell pyroptosis was detected by flow cytometry. The levels of inflammatory cytokines (TNF-α, IL-6, and IL-18) were assessed by enzyme-linked immunosorbent assay (ELISA). The relationship among specific protein 1 (SP1), microRNA-144-3p (miR-144-3p), and phosphatase and tensin homolog (PTEN) was explored by dual-luciferase reporter assay, RNA immunoprecipitation (RIP), and chromatin immunoprecipitation (ChIP), respectively. The level of miR-144-3p in N1511 cells was upregulated by IL-1β. MiR-144-3p knockdown inhibited IL-1β-induced pyroptosis in N1511 cells, and the expressions of NOD-like receptor family pyrin domain containing 3 (NLRP3), Cleaved caspase-1, Gasdermin D (GSDMD), and Cleaved caspase-3 in IL-1β-stimulated N1511 cells were increased. The levels of inflammatory cytokines in N1511 cells were increased by IL-1β, which were restored by miR-144-3p knockdown. MiR-144-3p knockdown abolished IL-1β-induced inactivation of putative kinase 1 (PINK1)/Parkin RBR E3 ubiquitin-protein (Parkin) signalling. Moreover, transcription factor SP1 could upregulate miR-144-3p expression and miR-144-3p negatively regulated PTEN expression. In summary, MiR-144-3p induced by SP1 could promote IL-1β-induced chondrocyte pyroptosis via inhibiting PTEN expression and suppressing the activation of PINK1/Parkin signalling, which provided a new strategy against RA.
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Affiliation(s)
- Jin-Mei Jiang
- The First Affiliated Hospital, Department of Rheumatology and Immunology, Hengyang Medical College, University of South China,, Hengyang, Hunan, China
| | - Mei-Li Mo
- The First Affiliated Hospital, Department of Rheumatology and Immunology, Hengyang Medical College, University of South China,, Hengyang, Hunan, China
| | - Xiao-Ping Long
- The First Affiliated Hospital, Pulmonary and Critical Care Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan, China
| | - Li-Hu Xie
- The First Affiliated Hospital, Department of Rheumatology and Immunology, Hengyang Medical College, University of South China,, Hengyang, Hunan, China
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