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Hang X, Du Z, Song J. Exploring the prognostic significance of iron death‑related lncRNAs in colorectal cancer: A systematic review and meta‑analysis. Oncol Lett 2024; 27:284. [PMID: 38736739 PMCID: PMC11083912 DOI: 10.3892/ol.2024.14417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 04/05/2024] [Indexed: 05/14/2024] Open
Abstract
Colorectal cancer is a significant health challenge globally, with its prognosis associated with the profile of molecular biomarkers. Recently, the role of iron death-associated long non-coding (lnc)RNAs in cancer development has garnered attention; however, their expression patterns and prognostic value in colorectal cancer remain poorly elucidated. The present study aimed to assess the expression levels of iron death-related lncRNAs in colorectal cancer tissues and evaluate their relationship with patient outcomes through a comprehensive meta-analysis. Systematic searches were performed across multiple databases, including PubMed, Embase, Web of Science, Cochrane Library, CNKI, Wanfang and VIP databases, to identify studies relevant to the objective of the present study. Selected studies met predetermined inclusion criteria, from which data were extracted. R software version 4.3.1 was used for the meta-analysis, evaluating the association between iron death-related lncRNAs expression and colorectal cancer prognosis. Publication bias was assessed using funnel plot analysis, and Begg's and Egger's test. A total of 11 studies, including 3,984 patients with colorectal cancer, were included in the present meta-analysis. The results demonstrated a significant association between iron death-related lncRNAs and tumor stage classification [odds ratio (OR)=2.00; 95% confidence interval (CI), 1.77-2.24]. Notably, a significant association was also revealed between iron death-related lncRNAs and T stage classification in colorectal cancer (OR=1.82; 95% CI, 1.50-2.20). Furthermore, a statistically significant association was demonstrated between iron death-related lncRNAs and lymph node metastasis in colorectal cancer (OR=1.31; 95% CI, 1.03-1.66). The findings also highlighted a significant association between iron death-associated lncRNA and distant metastasis in colon cancer (OR=2.04; 95% CI, 1.62-2.56). Moreover, a significant association between iron death-related lncRNAs and risk score in colorectal cancer was revealed (OR=1.75; 95% CI, 1.25-2.46). In conclusion, the findings of the present meta-analysis underscore the potential of high ferroptosis-associated lncRNA expression as an indicator of adverse outcomes in colorectal cancer, suggesting their viability as biomarkers for cancer progression and prognosis. This insight opens potential new avenues for clinical application and further research into colorectal cancer management.
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Affiliation(s)
- Xiaoli Hang
- Clinical Laboratory, The People's Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Danyang 212300, P.R. China
| | - Zhongxiang Du
- Clinical Laboratory, The People's Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Danyang 212300, P.R. China
| | - Jie Song
- Clinical Laboratory, Nantong Fourth People's Hospital, Nantong, Jiangsu 226001, P.R. China
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Zhao F, Zhou W, Xin R, Miao X. Expression and clinical diagnostic value of CCHE1 in breast cancer. Mutagenesis 2024; 39:141-145. [PMID: 38150355 DOI: 10.1093/mutage/gead038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/25/2023] [Indexed: 12/29/2023] Open
Abstract
OBJECTIVE Breast cancer is a malignant tumor in the epithelial tissue of the breast gland. This study aimed to unveil the expression and clinical diagnostic value of lncRNA cervical cancer high-expressed 1 (CCHE1) in breast cancer. METHODS CCHE1 expression in breast cancer tissues was evaluated by RT-qPCR. The relationship between the CCHE1 expression and clinicopathological features of breast cancer was analyzed with the chi-square test, and the survival of breast cancer patients was evaluated with the Kaplan-Meier method. The diagnostic value of CCHE1 expression for breast cancer was evaluated by using the receiver operating characteristics (ROC) curve. Breast cancer cell lines (SKBR3, T47D, BT474, and MCF-7) were cultured for detecting CCHE1 expression in the cells. MCF-7 cells were selected for the subsequent experiments, and the small interfering RNA of CCHE1 (si-CCHE1) and CCHE1 overexpression vector (pcDNA-CCHE1) were transfected into MCF-7 cells. The proliferation, migration, and invasive ability were assessed by CCK-8 and Transwell assays. The influence of CCHE1 on the growth of tumors was validated by nude mice xenograft assay. RESULTS CCHE1 was up-regulated in breast cancer tissues and breast cancer cells. The high expression level of CCHE1 in cancer tissues of breast cancer patients was correlated with larger tumor size, advanced TNM stage, Ki-67 status, and lymph node metastasis. The area under the ROC curve for CCHE1 in the diagnosis of breast cancer was 0.983 (95% CI: 0.966-1.000), with a sensitivity of 95.00% and a specificity of 91.70%. The 5-year survival rate was higher in patients with low CCHE1 expression than those with high CCHE1 expression. Furthermore, restrained CCHE1 impeded proliferation, invasion, and migration of MCF-7 cells, as well as tumor growth in mice. CONCLUSION Our study highlights that elevated expression of CCHE1 in breast cancer tissues, which is closely related to clinicopathologic features, has some clinical value in the diagnosis of the disease.
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Affiliation(s)
- Feng Zhao
- Department of Breast Surgery, The Second Affiliated Hospital of Shandong First Medical University, Taian 271000, Shandong, China
| | - Wenjuan Zhou
- Department of Breast Surgery, The Second Affiliated Hospital of Shandong First Medical University, Taian 271000, Shandong, China
| | - Ran Xin
- Department of Breast Surgery, The Second Affiliated Hospital of Shandong First Medical University, Taian 271000, Shandong, China
| | - Xin Miao
- Department of Breast Surgery, The Second Affiliated Hospital of Shandong First Medical University, Taian 271000, Shandong, China
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Xu Y, Wang J, He Z, Rao Z, Zhang Z, Zhou J, Zhou T, Wang H. A review on the effect of COX-2-mediated mechanisms on development and progression of gastric cancer induced by nicotine. Biochem Pharmacol 2024; 220:115980. [PMID: 38081368 DOI: 10.1016/j.bcp.2023.115980] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023]
Abstract
Smoking is a documented risk factor for cancer, e.g., gastric cancer. Nicotine, the principal tobacco alkaloid, would exert its role of contribution to gastric cancer development and progression through nicotinic acetylcholine receptors (nAChRs) and β-adrenergic receptors (β-ARs), which then promote cancer cell proliferation, migration and invasion. As a key isoenzyme in conversion of arachidonic acid to prostaglandins, cyclooxygenase-2 (COX-2) has been demonstrated to have a wide range of effects in carcinogenesis and tumor development. At present, many studies have reported the effect of nicotine on gastric cancer by binding to nAChR, as well as indirectly stimulating β-AR to mediate COX-2-related pathways. This review summarizes these studies, and also proposes more potential COX-2-mediated mechanisms. These events might contribute to the growth and progression of gastric cancer exposed to nicotine through tobacco smoke or cigarette substitutes. Also, this review article has therefore the potential not only to make a significant contribution to the treatment and prognosis of gastric cancer for smokers but also to the clinical application of COX-2 antagonists. In addition, this work also discusses the considerable challenges of this field with special reference to the future perspective of COX-2-mediated mechanisms in development and progression of gastric cancer induced by nicotine.
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Affiliation(s)
- Yuqin Xu
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Juan Wang
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China
| | - Zihan He
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zihan Rao
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zhongwei Zhang
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Jianming Zhou
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Tong Zhou
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Huai Wang
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China.
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Zabeti Touchaei A, Vahidi S, Samadani AA. Decoding the regulatory landscape of lncRNAs as potential diagnostic and prognostic biomarkers for gastric and colorectal cancers. Clin Exp Med 2024; 24:29. [PMID: 38294554 PMCID: PMC10830721 DOI: 10.1007/s10238-023-01260-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 12/12/2023] [Indexed: 02/01/2024]
Abstract
Colorectal cancer (CRC) and gastric cancer (GC) are major contributors to cancer-related mortality worldwide. Despite advancements in understanding molecular mechanisms and improved drug treatments, the overall survival rate for patients remains unsatisfactory. Metastasis and drug resistance are major challenges contributing to the high mortality rate in both CRC and GC. Recent research has shed light on the role of long noncoding RNAs (lncRNAs) in the development and progression of these cancers. LncRNAs regulate gene expression through various mechanisms, including epigenetic modifications and interactions with microRNAs (miRNAs) and proteins. They can serve as miRNA precursors or pseudogenes, modulating gene expression at transcriptional and post-transcriptional levels. Additionally, circulating lncRNAs have emerged as non-invasive biomarkers for the diagnosis, prognosis, and prediction of drug therapy response in CRC and GC. This review explores the intricate relationship between lncRNAs and CRC/GC, encompassing their roles in cancer development, progression, and chemoresistance. Furthermore, it discusses the potential of lncRNAs as therapeutic targets in these malignancies. The interplay between lncRNAs, miRNAs, and tumor microenvironment is also highlighted, emphasizing their impact on the complexity of cancer biology. Understanding the regulatory landscape and molecular mechanisms governed by lncRNAs in CRC and GC is crucial for the development of effective diagnostic and prognostic biomarkers, as well as novel therapeutic strategies. This review provides a comprehensive overview of the current knowledge and paves the way for further exploration of lncRNAs as key players in the management of CRC and GC.
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Affiliation(s)
| | - Sogand Vahidi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Ali Akbar Samadani
- Guilan Road Trauma Research Center, Trauma Institute, Guilan University of Medical Sciences, Rasht, Iran.
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5
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Du X, Liu Z, Tao X, Mei Y, Zhou D, Cheng K, Gao S, Shi H, Song C, Zhang X. Research Progress on the Pathogenesis of Knee Osteoarthritis. Orthop Surg 2023; 15:2213-2224. [PMID: 37435789 PMCID: PMC10475681 DOI: 10.1111/os.13809] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 05/28/2023] [Accepted: 05/31/2023] [Indexed: 07/13/2023] Open
Abstract
Knee osteoarthritis (KOA) is a chronic joint bone disease characterized by inflammatory destruction and hyperplasia of bone. Its main clinical symptoms are joint mobility difficulties and pain, severe cases can lead to limb paralysis, which poses major pressure to the quality of life and mental health of patients, but also brings serious economic burden to society. The occurrence and development of KOA is influenced by many factors, including systemic factors and local factors. The joint biomechanical changes caused by aging, trauma and obesity, abnormal bone metabolism caused by metabolic syndrome, the effects of cytokines and related enzymes, genetic and biochemical abnormalities caused by plasma adiponectin, etc. all directly or indirectly lead to the occurrence of KOA. However, there is little literature that systematically and comprehensively integrates macro- and microscopic KOA pathogenesis. Therefore, it is necessary to comprehensively and systematically summarize the pathogenesis of KOA in order to provide a better theoretical basis for clinical treatment.
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Affiliation(s)
- Xin Du
- Center for Phenomics of Traditional Chinese MedicineThe Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Zi‐yu Liu
- Center for Phenomics of Traditional Chinese MedicineThe Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Xing‐xing Tao
- Center for Phenomics of Traditional Chinese MedicineThe Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Yong‐liang Mei
- Department of Orthopaedics and Traumatology (Trauma and Bone‐setting)The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Da‐qian Zhou
- Department of Orthopaedics and Traumatology (Trauma and Bone‐setting)The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Kang Cheng
- Department of Orthopaedics and Traumatology (Trauma and Bone‐setting)The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Si‐long Gao
- Department of Orthopaedics and Traumatology (Trauma and Bone‐setting)The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Hou‐yin Shi
- Medical DepartmentThe Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Chao Song
- Department of Orthopaedics and Traumatology (Trauma and Bone‐setting)The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
| | - Xiao‐min Zhang
- Department of Orthopaedics and Traumatology (Trauma and Bone‐setting)The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical UniversityLuzhouChina
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Ghafouri-Fard S, Azimi T, Taheri M. Cervical carcinoma high expressed 1 (CCHE1): An oncogenic lncRNA in diverse neoplasms. Biomed Pharmacother 2021; 142:112003. [PMID: 34385101 DOI: 10.1016/j.biopha.2021.112003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/13/2021] [Accepted: 08/01/2021] [Indexed: 10/20/2022] Open
Abstract
Recent studies have shown prominent role of long non-coding RNAs (lncRNAs) in the carcinogenesis process. These transcripts are flexible in the term of three dimensional conformations. This property endowed them the potential to have interaction with several biomolecules such as proteins, DNA or other RNAs. They control gene expression, cell differentiation, invasiveness of cancer cells and their metastatic ability. Dysregulation of these transcripts accounts for several disorders. They have particular application in cancer diagnosis and prediction of cancer course. Cervical Cancer High-Expressed lncRNA 1 (CCHE1) is an lncRNA which has been primarily identified during screening of differently expressed lncRNAs in cervical cancer. Being located in an intergenic area on chromosome 10, CCHE1 has been found to upregulate expression of proliferating cell nuclear antigen (PCNA) via binding with its mRNA, thus enhancing proliferation rate of cervical cancer cells. In addition to cervical cancer, CCHE1 contributes in the pathology of other types of cancers. In this paper, we discuss the role of CCHE1 the carcinogenic process in different tissues.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tahereh Azimi
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Hussen BM, Nicknafs F, Hidayat HJ, Sayad A, Ghafouri-Fard S, Taheri M. A Diagnostic Panel for Acquired Immune-Mediated Polyneuropathies Based on the Expression of lncRNAs. Front Immunol 2021; 12:643615. [PMID: 33708228 PMCID: PMC7940672 DOI: 10.3389/fimmu.2021.643615] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 01/27/2021] [Indexed: 12/11/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) have been shown to alter immune responses, thus contributing to the pathobiology of autoimmune conditions. We investigated the expression levels of ANRIL, PICART1, MALAT1, CCAT1, CCAT2, and CCHE1 lncRNAs in acute and chronic inflammatory demyelinating polyneuropathy (AIDP and CIDP). ANRIL, PICART1, MALAT1, CCAT1, CCAT2, and CCHE1 lncRNAs were significantly downregulated in individuals with both AIDP and CIDP compared with unaffected individuals. Gender-based comparisons also verified such downregulations in both male and female subjects compared with sex-matched unaffected controls for all lncRNAs. There was no significant difference in the expression of any of the lncRNAs between cases with AIDP and cases with CIDP. While the expression levels of ANRIL and PICART1 were significantly correlated in healthy subjects (r = 0.86, p = 8.5E-16), similar analysis in cases with AIDP and CIDP revealed no significant correlation. The most robust correlation among patients was detected between ANRIL and MALAT1 lncRNAs (r = 0.59, p = 3.52E-6). ANRIL, MALAT1, and PICART1 had the diagnostic power of 0.96, 0.94, and 0.92 in distinguishing between cases with CIDP and controls, respectively. A combination of all lncRNAs resulted in 0.95 diagnostic power with a sensitivity of 0.85 and specificity of 0.96 for this purpose. Diagnostic power values of these lncRNAs in differentiation between cases with AIDP and controls were 0.98, 0.95, and 0.93, respectively. The combinatorial diagnostic power reached 0.98 for differentiation between cases with AIDP and controls. The six-lncRNA panel could differentiate combined cases with AIDP and CIDP from controls with area under the curve (AUC), sensitivity, and specificity values of 0.97, 0.90, and 0.96, respectively. Collectively, the lncRNA panel is suggested as a sensitive and specific diagnostic panel for acquired immune-mediated polyneuropathies.
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Affiliation(s)
- Bashdar Mahmud Hussen
- Pharmacognosy Department, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Fwad Nicknafs
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hazha Jamal Hidayat
- Department of Biology, College of Education, Salahaddin University-Erbil, Erbil, Iraq
| | - Arezou Sayad
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Liu Y, Jing J, Yu H, Zhang J, Cao Q, Zhang X, Liu J, Zhang S, Cheng W. Expression profiles of long non-coding RNAs in the cartilage of patients with knee osteoarthritis and normal individuals. Exp Ther Med 2021; 21:365. [PMID: 33732338 PMCID: PMC7903471 DOI: 10.3892/etm.2021.9796] [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: 05/29/2019] [Accepted: 12/12/2019] [Indexed: 11/22/2022] Open
Abstract
Knee osteoarthritis is caused by a multifactorial imbalance in the synthesis and degradation of knee chondrocytes, subchondral bone and extracellular matrix. Abnormal expression of long non-coding RNAs (lncRNAs) affects the metabolism, synovitis, autophagy and apoptosis of chondrocytes, as well as the production of cartilage matrix. The aim of the present study was to identify novel targets for the treatment of osteoarthritis and to examine the pathogenesis of the disease. The lncRNA expression profiles of seven patients with knee osteoarthritis and six healthy controls were examined by RNA-sequencing. Differentially expressed lncRNAs were selected for bioinformatics analyses, including Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment. Reverse transcription-quantitative PCR (RT-qPCR) was used to further investigate the differential expression of the lncRNAs. A total of 23,583 lncRNAs were identified in osteoarthritis cartilage, including 5,255 upregulated and 5,690 downregulated lncRNAs, compared with normal cartilage. Although there were more downregulated lncRNAs compared with upregulated lncRNAs, among the changed lncRNAs (fold-change >6), there were more upregulated lncRNAs compared with downregulated lncRNAs. Several lncRNAs exhibiting differences were identified as potential therapeutic targets in knee osteoarthritis. GO and KEGG pathway analyses were performed for the target genes of the differentially expressed lncRNAs. RT-qPCR validation was performed on three randomly selected upregulated and downregulated lncRNAs. The results of RT-qPCR were consistent with the findings obtained by RNA-sequencing analysis. The findings from the present study may contribute to the diagnosis of osteoarthritis and may predict the development of osteoarthritis. Furthermore, the differentially expressed lncRNAs may aid in the identification of novel candidate targets for the treatment of knee osteoarthritis.
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Affiliation(s)
- Yanchang Liu
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Juehua Jing
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Haoran Yu
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Jisen Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Qiliang Cao
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Xin Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Jianjun Liu
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Shuo Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
| | - Wendan Cheng
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China
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Sun P, Quan JC, Wang S, Zhuang M, Liu Z, Guan X, Wang GY, Wang HY, Wang XS. lncRNA-PACER upregulates COX-2 and PGE2 through the NF-κB pathway to promote the proliferation and invasion of colorectal-cancer cells. Gastroenterol Rep (Oxf) 2020; 9:257-268. [PMID: 34316376 PMCID: PMC8309685 DOI: 10.1093/gastro/goaa060] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 04/06/2020] [Accepted: 06/08/2020] [Indexed: 12/14/2022] Open
Abstract
Background p50-associated cyclooxygenase-2 extragenic RNA (PACER) is a recently identified antisense long non-coding RNA (lncRNA) located on the upstream of the promoter region of cyclooxygenase-2 (COX-2). Preliminary studies have suggested that PACER is involved in the regulation of COX-2 expression in macrophagocyte and osteosarcoma cells. However, the role of this lncRNA in colorectal cancer (CRC) remains elusive. Here, we investigated the expression of PACER and its effect on cell proliferation and invasion to explore the role of PACER in CRC. Methods Real-time quantitative PCR (RT-qPCR) analysis was used to evaluate the expression of PACER in CRC tissues and cells. Methyl thiazolyl tetrazolium (MTT) analysis was then used to investigate the inhibition effect of PACER knock-down in cell proliferation. The promoting role of this lncRNA on invasion by CRC cells was analysed by wound-healing assays, colony-formation assay, and transwell assays. We then used fluorescence in situ hybridization (FISH) to establish the subcellular localization of PACER. COX-2 protein levels were quantified by Western blot analysis and grayscale scanning analysis following the knock-down of PACER. Luciferase assay was carried out to monitor the modulation of the COX-2 promoter region by PACER. Tumor xenografts models were used to investigate the impact of PACER on the tumorigenesis of CRC cells in vivo. Enzyme-linked immunosorbent assay (ELISA) was then used to quantify prostaglandin E2 (PGE2) production upon knock-down of PACER. Results RT-qPCR analysis revealed that PACER was highly expressed in CRC tissues and cells, and a high PACER-expression level was associated with poor prognosis. MTT assay, wound-healing assay, colony-formation assay, and transwell assay revealed that PACER enhanced CRC-cell proliferation, invasion, and metastasis in vitro. Analysis of lncRNA localization by FISH showed that it mainly resided in the nucleus. RT-qPCR showed that PACER increased mRNA levels of COX-2. Western blot analysis demonstrated, under normal circumstances, that knock-down of PACER decreased the COX-2 protein level. In the case of p50 absence, COX-2 protein increased rapidly and remained highly expressed after knocking down PACER. Luciferase assay revealed that PACER modulated the COX-2 promoter region. Mouse xenograft models of CRC revealed that PACER promoted colorectal tumorigenesis in vivo. ELISA revealed that PACER knock-down inhibited PGE2 production. Conclusions PACER modulates COX-2 expression through the nuclear factor kappa B (NF-κB) pathway in CRC. An increased level of PACER enhances proliferation, migration, and invasion of tumor cells by increasing COX-2 and PGE2 synthesis.
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Affiliation(s)
- Peng Sun
- Department of Colorectal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P. R. China.,Department of Gastrointestinal Surgery, Shenzhen Hospital, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, Guangdong, P. R. China
| | - Ji-Chuan Quan
- Department of Colorectal Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Song Wang
- Department of Colorectal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P. R. China
| | - Meng Zhuang
- Department of Colorectal Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Zheng Liu
- Department of Colorectal Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Xu Guan
- Department of Colorectal Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Gui-Yu Wang
- Department of Colorectal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P. R. China
| | - Hong-Ying Wang
- Department of State Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Xi-Shan Wang
- Department of Colorectal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P. R. China.,Department of Colorectal Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
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Long non-coding RNA ROR1-AS1 induces tumorigenesis of colorectal cancer by affecting Wnt/β-catenin signaling pathway. Biosci Rep 2020; 39:221034. [PMID: 31693094 PMCID: PMC6879353 DOI: 10.1042/bsr20191453] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 10/23/2019] [Accepted: 10/30/2019] [Indexed: 12/18/2022] Open
Abstract
Recent studies have discovered that long noncoding RNAs (lncRNAs) play an important role in malignant tumors. In this research, lncRNA ROR1-AS1 was selected to identify how it affects the development of colorectal cancer (CRC). ROR1-AS1 expression was detected by RT-qPCR in CRC tissue samples. ROR1-AS1 expression level and patients’ overall survival time were analyzed. Functional experiments were conducted to identify the changes of biological behaviors in CRC cells after knockdown of ROR1-AS1. Moreover, we also explored the underlying mechanism. Detection of ROR1-AS1 expression level in patients’ tissues showed that ROR1-AS1 was higher in CRC tissues than that in adjacent ones. ROR1-AS1 expression was negatively associated with patients’ overall survival time. Cell growth ability was inhibited due to knockdown of ROR1-AS1 in vitro. Moreover, cell migration and invasion were repressed after ROR1-AS1 knockdown. Furthermore, due to knockdown of ROR1-AS1, the targeted proteins in Wnt/β-catenin signaling pathway were suppressed. These results suggest that ROR1-AS1 could enhance cell metastasis and proliferation via inducing Wnt/β-catenin signaling pathway, which might offer a potential therapeutic target in CRC.
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Wang X, Zhou L, Zhang H, Ou H, Long W, Liu X. Upregulation of cervical carcinoma expressed PCNA regulatory long non-coding RNA promotes esophageal squamous cell carcinoma progression. Oncol Lett 2020; 20:142. [PMID: 32934710 PMCID: PMC7471740 DOI: 10.3892/ol.2020.12006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 07/28/2020] [Indexed: 12/03/2022] Open
Abstract
Cervical carcinoma expressed PCNA regulatory long non-coding (lnc)RNA (CCEPR) has recently been reported to play oncogenic roles in some common types of human cancer. However, the clinical significance of CCEPR mRNA expression levels in esophageal squamous cell carcinoma (ESCC) and the exact function of CCEPR in regulating the malignant phenotypes of ESCC cells have not been previously investigated. In the present study, CCEPR mRNA expression level was upregulated in ESCC tissues and cell lines, and overexpression of CCEPR was associated with advanced TNM stage, lymph node metastasis, and poor prognosis in ESCC. In vitro experiments showed that silencing CCEPR mRNA expression levels significantly suppressed the proliferation, migration, and invasion of ESCC cells, while inducing ESCC cell apoptosis. Furthermore, inhibition of CCEPR decreased the protein expression levels of matrix metalloproteinase (MMP)2 and MMP9 and inhibited epithelial-mesenchymal transition in ESCC cells. In conclusion, the results showed that CCEPR plays an oncogenic role in ESCC and suggests that CCEPR could be used as a potential therapeutic target for ESCC treatment.
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Affiliation(s)
- Xiaojun Wang
- Department of Oncology, First People's Hospital of Chenzhou City, Chenzhou, Hunan 423000, P.R. China
| | - Liangfen Zhou
- Department of Neonatology, First People's Hospital of Chenzhou City, Chenzhou, Hunan 423000, P.R. China
| | - Huiyun Zhang
- Department of Oncology, First People's Hospital of Chenzhou City, Chenzhou, Hunan 423000, P.R. China
| | - Hui Ou
- Department of Oncology, First People's Hospital of Chenzhou City, Chenzhou, Hunan 423000, P.R. China
| | - Wenxing Long
- Department of Invasive Technology, Affiliated Hospital of Xiangnan College, Chenzhou, Hunan 423000, P.R. China
| | - Xiaobao Liu
- Department of Oncology, Second People's Hospital of Chenzhou City, Chenzhou, Hunan 423000, P.R. China
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Sharma S, Munger K. The Role of Long Noncoding RNAs in Human Papillomavirus-associated Pathogenesis. Pathogens 2020; 9:pathogens9040289. [PMID: 32326624 PMCID: PMC7238103 DOI: 10.3390/pathogens9040289] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/13/2020] [Accepted: 04/14/2020] [Indexed: 12/15/2022] Open
Abstract
Infections with high-risk human papillomaviruses cause ~5% of all human cancers. E6 and E7 are the only viral genes that are consistently expressed in cancers, and they are necessary for tumor initiation, progression, and maintenance. E6 and E7 encode small proteins that lack intrinsic enzymatic activities and they function by binding to cellular regulatory molecules, thereby subverting normal cellular homeostasis. Much effort has focused on identifying protein targets of the E6 and E7 proteins, but it has been estimated that ~98% of the human transcriptome does not encode proteins. There is a growing interest in studying noncoding RNAs as biochemical targets and biological mediators of human papillomavirus (HPV) E6/E7 oncogenic activities. This review focuses on HPV E6/E7 targeting cellular long noncoding RNAs, a class of biologically versatile molecules that regulate almost every known biological process and how this may contribute to viral oncogenesis.
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Wang Y, Tong J, Lin H, Ma L, Xu Y. CCHE1 accelerated the initiation of oral squamous cell carcinoma through enhancing PAK2 expression by sponging miR-922. J Oral Pathol Med 2020; 49:636-644. [PMID: 31981240 DOI: 10.1111/jop.12995] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 12/27/2019] [Accepted: 01/20/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) is a normal form of mouth cancer, comprising the majority of oral cancers. A large number of long non-coding RNAs (lncRNAs) have been reported due to their oncogenic function in cancers. Recent studies show that lncRNA CCHE1 is an oncogene in a wide range of cancers. Whether CCHE1 accelerates the progression of OSCC is still undiscovered. METHODS The qRT-PCR analysis was used to determine CCHE1, miR-922, and PAK2 expression levels. CCK8 and colony formation assays were applied to evaluate OSCC cell proliferative ability. Transwell assay was performed to investigate the capability of cell migration and invasion. Cell apoptosis was assessed by flow cytometry analysis. The distribution of CCHE1 in OSCC cells was confirmed via subcellular fractionation assay. Luciferase reporter assay was used to verify the connection between miR-922 and CCHE1 or PAK2. RESULTS qRT-PCR analysis identified the upregulation of CCHE1 in OSCC cells. Knockdown of CCHE1 curbed the proliferation, migration, and invasion and hastened the apoptosis in OSCC cell lines. Moreover, it was found that miR-922 could interact with CCHE1. Besides, PAK2 was identified as the target gene of miR-922 and its expression was negatively modulated by miR-922 and positively regulated by CCHE1. Restoration assay manifested that the suppressing influence of CCHE1 depletion on OSCC progression was rescued by amplified PAK2. CONCLUSIONS CCHE1 increases the expression of PAK2 to promote the progression of OSCC by competitively binding to miR-922 in OSCC cells.
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Affiliation(s)
- Yongliang Wang
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Junjie Tong
- Department of Oral Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Haozhi Lin
- Department of Oral Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lei Ma
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yaoxiang Xu
- Department of Oral Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China.,Dental Digital Medicine & 3D Printing Engineering Laboratory of Qingdao University, Qingdao, China
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14
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Duan Y, Fang Z, Shi Z, Zhang L. Knockdown of lncRNA CCEPR suppresses colorectal cancer progression. Exp Ther Med 2019; 18:3534-3542. [PMID: 31602230 PMCID: PMC6777319 DOI: 10.3892/etm.2019.7942] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 07/05/2019] [Indexed: 12/14/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) serve important roles in colorectal cancer. The aim of the present study was to investigate the expression and role of cervical carcinoma expressed PCNA regulatory (CCEPR) lncRNA in colorectal cancer progression. The results demonstrated that CCEPR expression was significantly higher in colorectal cancer tissues when compared with paired adjacent normal tissues. In addition, CCEPR expression was significantly higher in patients with advanced colorectal cancer (stage III/IV) than those with early-stage colorectal cancer (stage I/II). High CCEPR expression was significantly associated with poor differentiation, advanced clinical stage, positive lymph node metastasis and distant metastasis. Of particular note, patients with colorectal cancer exhibiting high CCEPR expression levels had shorter survival rates when compared with patients with low CCEPR expression. In vitro experiments demonstrated that the expression of CCEPR was increased in colorectal cancer cell lines when compared with a normal colon cell line. Knockdown of CCEPR significantly inhibited colorectal cancer cell proliferation, colony formation and cell cycle progression, as well as cell migration and invasion. Finally, silencing of CCEPR downregulated matrix metalloproteinase (MMP)-2 and MMP-9 expression and suppressed epithelial-mesenchymal transition in colorectal cancer cells. In conclusion, the results of the present study suggest that CCEPR may exert an oncogenic role in colorectal cancer, and CCEPR may be a promising molecular target for colorectal cancer treatment.
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Affiliation(s)
- Yuxia Duan
- Department of General Surgery, The Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China
| | - Zhixue Fang
- Department of General Surgery, The Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China
| | - Zeya Shi
- Department of General Surgery, The Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China
| | - Ling Zhang
- Department of General Surgery, The Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China
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Wang J, Li H, Zhang C, Xue L, Cai Z. Cervical carcinoma high-expressed long non-coding RNA 1 may promote growth of colon adenocarcinoma through interleukin-17A. Oncol Lett 2019; 18:1491-1496. [PMID: 31423215 PMCID: PMC6607382 DOI: 10.3892/ol.2019.10425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 04/16/2019] [Indexed: 12/28/2022] Open
Abstract
Cervical carcinoma high-expressed long non-coding RNA 1 (CCHE1) has been demonstrated to promote several different types of cancer; however, the involvement of CCHE1 in other types of cancer remains unknown. In the present study, the expression levels of CCHE1 and interleukin (IL)-17A were increased in the plasma of patients with metastatic and non-metastatic colon adenocarcinoma (MC and NMC, respectively) compared with the healthy controls. There was no significant difference in the plasma expression levels of CCHE1 and IL-17A in patients with MC compared with patients with NMC. The plasma expression levels of CCHE1 and IL-17A were positively associated with the primary tumor diameter. A significant correlation as demonstrated between the serum levels of CCHE1 and IL-17A in patients with colon adenocarcinoma, but not in the healthy controls. CCHE1 and IL-17A overexpression promoted colon adenocarcinoma cell proliferation. Transfection of small interfering RNA against IL-17A partially reversed the effects of CCHE1 overexpression on cancer cell proliferation. Upregulation of IL-17A was observed after CCHE1 overexpression, while IL-17A overexpression did not significantly change the expression level of CCHE1. Therefore, CCHE1 may promote growth of colon adenocarcinoma through interactions with IL-17A.
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Affiliation(s)
- Jue Wang
- Department of Oncology, Inner Mongolia People's Hospital, Hohhot, Inner Mongolia 010017, P.R. China
| | - Hui Li
- Department of Oncology, Inner Mongolia People's Hospital, Hohhot, Inner Mongolia 010017, P.R. China
| | - Cuiying Zhang
- Department of Oncology, Inner Mongolia People's Hospital, Hohhot, Inner Mongolia 010017, P.R. China
| | - Liying Xue
- Department of Oncology, Inner Mongolia People's Hospital, Hohhot, Inner Mongolia 010017, P.R. China
| | - Zhihui Cai
- Department of Oncology, Inner Mongolia People's Hospital, Hohhot, Inner Mongolia 010017, P.R. China
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