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Zhu X, Li X, Zhang M, Ni J. LncRNA BBOX1-AS1 Contributes to Laryngeal Carcinoma Progression by Recruiting SRSF1 to Maintain EFNB2 mRNA Stability. Biochem Genet 2024:10.1007/s10528-024-10879-2. [PMID: 38965134 DOI: 10.1007/s10528-024-10879-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 06/27/2024] [Indexed: 07/06/2024]
Abstract
Laryngeal cancer is a common malignancy of the larynx with a generally poor prognosis. This study systematically assessed the functional role of lncRNA BBOX1-AS1 in laryngeal carcinoma progression and associated molecular regulatory mechanisms. The proliferation, migration, and invasion of laryngeal carcinoma cells were detected by Cell Counting Kit-8, wound healing, clonal formation, and transwell assays. In addition, the interaction between BBOX1-AS1, Serine/Arginine Splicing Factor 1 (SRSF1), and Ephrin-B2 (EFNB2) mRNA was examined employing RNA immunoprecipitation and RNA pull-down experiments. Furthermore, western blotting, and RT-qPCR assays were adopted to detect the expression levels of BBOX1-AS1, SRSF1, and EFNB2. The impact of BBOX1-AS1 and SRSF1 on EFNB2 mRNA stability was examined using the RNA stability assay. BBOX1-AS1 was highly expressed in human laryngeal carcinoma tissues and cell lines. BBOX1-AS1 knockdown suppressed the growth, proliferation, migration, and invasion of laryngeal carcinoma cells. BBOX1-AS1 maintained the stability of EFNB2 mRNA in laryngeal carcinoma cells by recruiting SRSF1. EFNB2 knockdown inhibited the growth and metastatic function of laryngeal carcinoma cells in vitro. EFNB2 overexpression reversed the influence of BBOX1-AS1 knockdown on laryngeal cancer tumorigenesis. BBOX1-AS1 maintained EFNB2 mRNA stability by recruiting SRSF1, thereby aggravating laryngeal carcinoma malignant phenotypes. BBOX1-AS1 might be a new theoretical target for the treatment of laryngeal carcinoma.
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Affiliation(s)
- Xiaowen Zhu
- General Surgery Fourth Ward, First Affiliated Hospital of Jiamusi University, No.348 Dexiang Street, Xiangyang District, Jiamusi, 154007, Heilongjiang, China
| | - Xuan Li
- Physical Examination Center, First Affiliated Hospital of Jiamusi University, Jiamusi, 154007, Heilongjiang, China
| | - MeiJia Zhang
- Department of Otolaryngology, The First Affiliated Hospital of Jiamusi University, No.348 Dexiang Street, Xiangyang District, Jiamusi, 154007, Heilongjiang, China.
| | - Jian Ni
- General Surgery Fourth Ward, First Affiliated Hospital of Jiamusi University, No.348 Dexiang Street, Xiangyang District, Jiamusi, 154007, Heilongjiang, China.
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Liao L, Huang P, Zhao J, Wang Z, Chen H, Zhang C, Huang L. lncRNA799/TBL1XR1/ZEB1 Axis Forms a Feedback Loop to Promote the Epithelial-Mesenchymal Transition of Cervical Cancer Cells. Crit Rev Eukaryot Gene Expr 2024; 34:33-43. [PMID: 38073440 DOI: 10.1615/critreveukaryotgeneexpr.2023049916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Cervical cancer is a common malignancy among women worldwide. Long non-coding RNAs (lncRNAs) are frequently involved in the pathogenesis of cervical cancer. Therefore, the present study aimed to investigate the potentials of lncRNA799 in cervical cancer. mRNA and protein expression were detected by reverse transcription-quantitative polymerase chain reaction and Western blot analysis, respectively. Cellular functions were assessed using CCK-8, wound healing and transwell analysis. The binding potential of zinc finger E-box-binding homeobox 1 (ZEB1) on the promoter of lncRNA799 was predicted utilizing the JASPAR database, and was then verified by luciferase and chromatin immunoprecipitation (ChIP) assays. Furthermore, the gene interactions were assessed using RNA immunoprecipitation and co-immunoprecipitation assays. The results demonstrated that lncRNA799 was upregulated in cervical cancer cells. However, lncRNA799 deficiency suppressed the proliferation and epithelial-mesenchymal transition of cervical cancer cells. Furthermore, lncRNA799 could interact with eukaryotic translation initiation factor 4A3 to maintain the mRNA stability of transducin (β)-like 1 X-linked receptor 1 (TBL1XR1) and promote the interaction between ZEB1 and TBL1XR1. Additionally, the results showed that ZEB1 could transcriptionally activate lncRNA799. Taken together, the present study suggested that the lncRNA799/TBL1XR1/ZEB1 axis could form a positive feedback loop in cervical cancer and could be, therefore, considered as a potential therapeutic strategy for cervical cancer.
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Affiliation(s)
- Lingmin Liao
- Department of Ultrasound, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Nanchang, Jiangxi 330006, China
| | - Peng Huang
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Nanchang, Jiangxi 330006, China; Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Jiali Zhao
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Nanchang, Jiangxi 330006, China; Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Ziying Wang
- Department of Ultrasound, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - He Chen
- Jiangxi Key Laboratory of Molecular Medicine, Nanchang, Jiangxi 330006, China; The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Chunquan Zhang
- Department of Ultrasound, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Long Huang
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Nanchang, Jiangxi 330006, China; Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
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Li K, Ji YM, Guo JL, Guo Q. Biological functions and molecular mechanisms of LINC00961 in human cancer. ALL LIFE 2023. [DOI: 10.1080/26895293.2023.2174707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Affiliation(s)
- Kai Li
- Department of Hepatobiliary and Pancreatic Surgery, People's Hospital of Jianyang, Jianyang, Sichuan, People’s Republic of China
| | - Yan-Mei Ji
- Department of Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, People’s Republic of China
| | - Jia-Long Guo
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, People’s Republic of China
| | - Qiang Guo
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, People’s Republic of China
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Wang S, Zeng X, Gui P, Xu S, Li Z, Chen D. LncRNA EBLN3P Facilitates Osteosarcoma Metastasis by Enhancing Annexin A3 mRNA Stability and Recruiting HuR. Ann Surg Oncol 2023; 30:8690-8703. [PMID: 37598115 PMCID: PMC10625973 DOI: 10.1245/s10434-023-14032-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/09/2023] [Indexed: 08/21/2023]
Abstract
BACKGROUND Osteosarcoma (OS) represents a common type of bone cancer. Long non-coding RNAs (LncRNAs) have shown their potential in therapeutic modalities for OS. This study's purpose was to reveal the action of lncRNA EBLN3P on OS growth and metastasis and its mechanism. METHODS Expressions of EBLN3P/Hu antigen R (HuR)/Annexin A3 (ANXA3) were determined by RT-qPCR/Western blot. Proliferation/migration/invasion of OS cells were assessed via CCK-8/Transwell assays after interfering EBLN3P/ANXA3/HuR. The co-localization of EBLN3P/ANXA3/HuR cells was observed by FISH/immunofluorescence assays. Interplays among EBLN3P/ANXA3/HuR and the half-life period of ANXA3 were assessed by RNA immunoprecipitation/RNA pull-down/RNA stability experiment. The nude mouse xenograft model was established, followed by EBLN3P treatment to assess the function of EBLN3P on OS. RESULTS EBLN3P/ANXA3 was highly expressed in OS cells. Silencing EBLN3P or ANXA3 limited the proliferation/migration/invasion of OS cells. Mechanically, EBLN3P/ANXA3 can bind to HuR, and EBLN3P enhanced ANXA3 mRNA stability by recruiting HuR, thus facilitating OS cell growth. Upregulated HuR or ANXA3 counteracted the suppressive action of silencing EBLN3P on OS cells. In vivo experiments revealed facilitated tumor growth and metastasis in vivo fomented by EBLN3P through manipulation of HuR/ANXA3. CONCLUSIONS EBLN3P enhanced proliferative/migrative/invasive potentials of OS cells via increasing ANXA3 mRNA stability and protein level by recruiting HuR, which provided new potential therapeutic targets for OS clinical treatment. EBLN3P and ANXA3 might have potential roles in OS diagnosis, treatment, and prognosis. This study provided a theoretical reference for further clinical research in tumor surgery.
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Affiliation(s)
- Shengtao Wang
- Department of Joint Surgery and Sports Medicine, Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Xiangshan District, Guilin, Guangxi, China
| | - Xinxin Zeng
- Department of Pain, Banan Hospital of Chongqing Medical University, Banan District, Chongqing City, China
| | - Peng Gui
- Department of Trauma orthopedics and hand surgery, Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Xiangshan District, Guilin, Guangxi, China
| | - Shujuan Xu
- Department of Hematopathology, Affiliated Hospital of Guilin Medical University, Xiufeng District, Guilin, Guangxi, China
| | - Zhaoxu Li
- Department of Joint Surgery and Sports Medicine, Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Xiangshan District, Guilin, Guangxi, China.
| | - Dongxu Chen
- Department of Joint Surgery and Sports Medicine, Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Xiangshan District, Guilin, Guangxi, China.
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Hu J, Liu J, Zhou S, Luo H. A review on the role of gamma-butyrobetaine hydroxylase 1 antisense RNA 1 in the carcinogenesis and tumor progression. Cancer Cell Int 2023; 23:263. [PMID: 37925403 PMCID: PMC10625699 DOI: 10.1186/s12935-023-03113-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 10/27/2023] [Indexed: 11/06/2023] Open
Abstract
Gamma-butyrobetaine hydroxylase 1 antisense RNA 1 (BBOX1-AS1), located on human chromosome 11 p14, emerges as a critical player in tumorigenesis with diverse oncogenic effects. Aberrant expression of BBOX1-AS1 intricately regulates various cellular processes, including cell growth, epithelial-mesenchymal transition, migration, invasion, metastasis, cell death, and stemness. Notably, the expression of BBOX1-AS1 was significantly correlated with clinical-pathological characteristics and tumor prognoses, and it could also be used for the diagnosis of lung and esophageal cancers. Through its involvement in the ceRNA network, BBOX1-AS1 competitively binds to eight miRNAs in ten different cancer types. Additionally, BBOX1-AS1 can directly modulate downstream protein-coding genes or act as an mRNA stabilizer. The implications of BBOX1-AS1 extend to critical signaling pathways, including Hedgehog, Wnt/β-catenin, and MELK/FAK pathways. Moreover, it influences drug resistance in hepatocellular carcinoma. The present study provides a systematic review of the clinical significance of BBOX1-AS1's aberrant expression in diverse tumor types. It sheds light on the intricate molecular mechanisms through which BBOX1-AS1 influences cancer initiation and progression and outlines potential avenues for future research in this field.
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Affiliation(s)
- Juan Hu
- Medical Service Division, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, Jiangxi, China
| | - Jipeng Liu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330000, Jiangxi, People's Republic of China
| | - Siwei Zhou
- Second School of Clinical Medicine, Nanchang University, Nanchang, 330038, Jiangxi, China
| | - Hongliang Luo
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330000, Jiangxi, People's Republic of China.
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Wang Q, Li XF, Zhou YH, Qin XH, Wang LH, Xiao MQ, Cao K, Ma JK, Huang CH. Long noncoding RNA BBOX1-AS1 increased radiotherapy sensitivity in colorectal cancer by stabilizing and activating PFK1. Transl Oncol 2023; 36:101751. [PMID: 37544035 PMCID: PMC10423889 DOI: 10.1016/j.tranon.2023.101751] [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: 03/20/2023] [Revised: 06/12/2023] [Accepted: 07/28/2023] [Indexed: 08/08/2023] Open
Abstract
PURPOSE Our study explored the effect of long noncoding RNA BBOX1-AS1 on colorectal cancer (CRC) radiosensitivity in vivo and in vitro. METHODS Differentially expressed lncRNAs in CRC were screened using a bioinformatics database and an online prediction website. The expression of BBOX1-AS1 in tissue samples was analyzed via real-time quantitative PCR (RT-qPCR). Subcellular localization of BBOX1-AS1 in CRC cells was analyzed using fluorescence in situ hybridization (FISH). The correlation between BBOX1-AS1 and PFK1 expression levels in CRC tissues was analyzed via Pearson's correlation coefficient. The effect of BBOX1-AS1 on PFK1 stability was investigated using RNA and protein stability testing. RNA Binding Protein Immunoprecipitation (RIP) and RNA pull-down assays were used to confirm the binding of BBOX1-AS1 to PFK1. RESULTS BBOX1-AS1 was highly expressed in CRC and associated with poor prognosis. Similarly, it was highly expressed in CRC tissues and CRC cell lines. In addition, BBOX1-AS1 promoted the proliferation, invasion, migration, and glycolysis of CRC cells and inhibited apoptosis. RIP and RNA pull-down experiments confirmed that BBOX1-AS1 bound to PFK1. RNA stability and protein stability experiments showed that BBOX1-AS1 affected the stability of PFK1 mRNA and protein. Furthermore, we confirmed that BBOX1-AS1 increased radiation resistance through the regulation of PFK1 expression. CONCLUSIONS BBOX1-AS1 promoted the proliferation, invasion, migration, and glycolysis of CRC cells through stabilization of the expression of PFK1. BBOX1-AS1 also inhibited CRC cell apoptosis and increased radiotherapy resistance in CRC cells.
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Affiliation(s)
- Qi Wang
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Xiao-Fei Li
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China; The Second Affiliated Hospital of Chengdu Medical College (China National Nuclear Corporation 416 Hospital) , Chengdu, 610051, Sichuan, China
| | - Ying-Hui Zhou
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Xiang-Hong Qin
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Li-Hui Wang
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Meng-Qing Xiao
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Ke Cao
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - John K Ma
- Cotton O'Neil Cancer Center, Stormont Vail Hospital, Topeka, KS, USA
| | - Cheng-Hui Huang
- Department of Oncology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China.
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Zhang R, Gao X, Gu X. BBOX1-AS1: A novel oncogenic long non-coding RNA in human cancers. Pathol Res Pract 2023; 250:154810. [PMID: 37696243 DOI: 10.1016/j.prp.2023.154810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/08/2023] [Accepted: 09/08/2023] [Indexed: 09/13/2023]
Abstract
Long non-coding RNAs (lncRNAs) are transcripts that contain more than 200 nucleotides. Despite the fact that they cannot encode proteins, many studies have identified roles they play in human cancers through diverse mechanisms. BBOX1-AS1, an oncogenic lncRNA, has recently been demonstrated to participate in tumorigenesis and progression of numerous cancers. Experimental evidence has determined that it participates in diverse biological process, including cell proliferation, invasion, migration, and apoptosis. The dysregulation of BBOX1-AS1 exerts its oncogenicity by acting as a competitive endogenous RNA (ceRNA) or by directly impacting downstream molecules and signaling pathways. Here we summarize the current understanding of the biological functions and clinical significance of BBOX1-AS1 for human cancers.
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Affiliation(s)
- Renfang Zhang
- Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, China
| | - Xiaohui Gao
- Department of Oncology, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang 471000, Henan, China
| | - Xinyu Gu
- Department of Oncology, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang 471000, Henan, China.
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Hao L, Zhang J, Liu Z, Zhang Z, Mao T, Guo J. Role of the RNA-binding protein family in gynecologic cancers. Am J Cancer Res 2023; 13:3799-3821. [PMID: 37693158 PMCID: PMC10492115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 08/15/2023] [Indexed: 09/12/2023] Open
Abstract
Gynecological cancers pose a threat to women's health. Although early-stage gynecological cancers show good outcomes after standardized treatment, the prognosis of patients with advanced, met-astatic, and recurrent cancers is poor. RNA-binding proteins (RBPs) are important cellular proteins that interact with RNA through RNA-binding domains and participate extensively in post-transcriptional regulatory processes, such as mRNA alternative splicing, polyadenylation, intracellular localization and stability, and translation. Abnormal RBP expression affects the normal function of oncogenes and tumor suppressor genes in many malignancies, thus leading to the occurrence or progression of cancers. Similarly, RBPs play crucial roles in gynecological carcinogenesis. We summarize the role of RBPs in gynecological malignancies and explore their potential in the diagnosis and treatment of cancers. The findings summarized in this review may provide a guide for future research on the functions of RBPs.
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Affiliation(s)
- Linlin Hao
- Department of Tumor Radiotherapy, The Second Hospital of Jilin UniversityChangchun 130041, Jilin, China
| | - Jian Zhang
- School of Life Sciences, Department of Biology, Southern University of Science and TechnologyShenzhen 518055, Guangdong, China
| | - Zhongshan Liu
- Department of Tumor Radiotherapy, The Second Hospital of Jilin UniversityChangchun 130041, Jilin, China
| | - Zhiliang Zhang
- Department of Tumor Radiotherapy, The Second Hospital of Jilin UniversityChangchun 130041, Jilin, China
| | - Tiezhu Mao
- Department of Tumor Radiotherapy, The Second Hospital of Jilin UniversityChangchun 130041, Jilin, China
| | - Jie Guo
- Department of Tumor Radiotherapy, The Second Hospital of Jilin UniversityChangchun 130041, Jilin, China
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Lin G, Wang Y, Deng L, Ye T. Prognostic effect of lncRNA BBOX1-AS1 in malignancies: a meta-analysis. Front Genet 2023; 14:1234040. [PMID: 37636267 PMCID: PMC10453800 DOI: 10.3389/fgene.2023.1234040] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 07/21/2023] [Indexed: 08/29/2023] Open
Abstract
Background: With the increasing number of new cancer cases and mortality rates, cancer has become a serious global health problem, but there are no ideal cancer biomarkers for effective diagnosis. Currently, mounting evidence demonstrates that lncRNAs play a fundamental role in cancer progression. BBOX1 anti-sense RNA 1 (BBOX1-AS1) is a recently clarified lncRNA and has been identified as dysregulated in various carcinomas, and it contributes to poor survival in cancer patients. Methods: We thoroughly searched six databases for eligible articles published as of 27, April 2023. The association of BBOX1-AS1 expression levels with prognostic and clinicopathological parameters was assessed by odds ratios (OR) and hazard ratios with 95% CIs. Additionally, we further validated our results utilizing the GEPIA online database. Results: Eight studies comprising 602 patients were included in this analysis. High BBOX1-AS1 expression indicated poor overall survival (OS) (hazard ratios = 2.30, 95% Cl [1.99, 2.67], p < 0.00001) when compared with low BBOX1-AS1 expression. Furthermore, BBOX1-AS1 expression was positively correlated with lymph node metastasis (OR = 3.00, 95% CI [1.71-5.28], p = 0.0001) and advanced tumor stage (OR = 3.74, 95% CI [2.63-5.32], p < 0.00001) for cancer patients. Moreover, BBOX1-AS1 was remarkably upregulated in 12 malignancies, and the elevated BBOX1-AS1 expression predicted poorer OS and worse disease-free survival (DFS) confirmed through the GEPIA online gene analysis tool. Conclusion: The findings highlight that BBOX1-AS1 was significantly associated with detrimental overall survival, disease-free survival, lymph node metastasis and tumor stage; thus, it could act as a novel promising biomarker to predict the clinicopathological characteristics and prognosis for various cancers.
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Affiliation(s)
- Guangyao Lin
- Department of Gynecology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yongzhou Wang
- Department of Gynecology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Li Deng
- Department of Gynecology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Tao Ye
- Department of Gynecology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
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Cai C, Zhi Y, Xie C, Geng S, Sun F, Ji Z, Zhang P, Wang H, Tang J. Ursolic acid-downregulated long noncoding RNA ASMTL-AS1 inhibits renal cell carcinoma growth via binding to HuR and reducing vascular endothelial growth factor expression. J Biochem Mol Toxicol 2023; 37:e23389. [PMID: 37300450 DOI: 10.1002/jbt.23389] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 02/24/2023] [Accepted: 05/17/2023] [Indexed: 06/12/2023]
Abstract
It has been reported ursolic acid (UA), one of the naturally abundant pentacyclic triterpenes, possesses a wide range of biological activities including anti-inflammatory, anti-atherosclerotic, and anticancer properties. Renal cell carcinoma (RCC) is a severe malignancy due to its asymptomatically spreading ability. Our study aimed to investigate the role and molecular mechanism of UA in RCC. RCC cell proliferation, migration, invasion, and angiogenesis were assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, Transwell, and tube formation assays. Xenograft tumor models were established to confirm the role of UA and long noncoding RNA ASMTL antisense RNA 1 (ASMTL-AS1) in vivo. Expression levels of ASMTL-AS1 and vascular endothelial growth factor (VEGF) were measured using reverse transcriptase quantitative polymerase chain reaction and western blot analysis. The interaction probabilities of ASMTL-AS1 or VEGF with RNA-binding protein human antigen R (HuR) were verified by RNA immunoprecipitation experiment. The half-life period of messenger RNA (mRNA) was determined using actinomycin D. UA inhibited RCC cell growth in vivo and tumorigenesis in vitro. ASMTL-AS1 was highly expressed in RCC cell lines. Of note, UA downregulated ASMTL-AS1 expression, and overexpressed ASMTL-AS1 reversed the UA-induced suppression on RCC cell migration, invasion, and tube formation. Additionally, ASMTL-AS1 bound to HuR to maintain the stability of VEGF mRNA. Rescue experiments showed that the suppressed malignancy of RCC cells mediated by ASMTL-AS1 knockdown was counteracted by overexpression of VEGF. Moreover, silenced ASMTL-AS1 inhibited RCC tumor growth and metastasis in vivo. The obtained data suggest UA as a promising therapeutic agent to attenuate the development of RCC via regulation of the targeted molecules.
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Affiliation(s)
- Chengkuan Cai
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Yunlai Zhi
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Cheng Xie
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Shen Geng
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Fanghu Sun
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Zhengshuai Ji
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Pengcheng Zhang
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Hui Wang
- Department of Urology, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu, China
| | - Jingyuan Tang
- Department of Urology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
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Esawy MM, Ebaid AM, Abd-Elhameed A, Thagfan FA, Mubaraki MA, Alazzouni AS, Dkhil MA, Shabana MA. Assessment of Circulating lncRNA H19 in Ankylosing Spondylitis Patients and Its Correlation with Disease Activity. J Pers Med 2023; 13:914. [PMID: 37373903 DOI: 10.3390/jpm13060914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Ankylosing spondylitis (AS) is a chronic inflammatory disease that results in severe pain and stiffness in the joints. The causes and pathophysiology of AS are still largely unknown. The lncRNA H19 plays key roles in the pathogenesis of AS by mediating inflammatory progression by acting in the axis of IL-17A/IL-23. The aims of this study were determining the role of lncRNA H19 in AS and assessing its clinical correlation. A case-control study was conducted and qRT-PCR was utilized to measure H19 expression. Comparing AS cases to healthy controls, it was found that H19 expression was significantly upregulated. For AS prediction, H19 demonstrated a 81.1% sensitivity, 100% specificity, and 90.6% diagnostic accuracy at a lncRNA H19 expression value of 1.41. lncRNA H19 had a significantly positive correlation with AS activity, MRI results, and inflammatory markers. lncRNA H19 seemed to be an independent predictor of AS (adjusted OR of 211 (95% CI: 4.7-939; p = 0.025)). After 3 months of clinical follow-up, seventeen patients (32.1%) showed minimal clinical improvement and fifteen patients (28.3%) showed major improvement. AS activity scores were significantly decreased in patients with high H19 expression. A significantly elevated lncRNA H19 expression was observed in AS cases compared with that in healthy controls. These results suggest that upregulation of lncRNA H19 expression may be involved in the pathogenesis of AS. The expression of the lncRNA H19 is related to the duration and activity of the disease. LncRNA H19 expression seems to be an independent predictor of AS.
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Affiliation(s)
- Marwa M Esawy
- Clinical Pathology Department, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Amany M Ebaid
- Rheumatology and Rehabilitation Department, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Amir Abd-Elhameed
- Internal Medicine Department, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Felwa A Thagfan
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Murad A Mubaraki
- Clinical Laboratory Sciences Department, College of Applied Medical Sciences, King Saud University, Riyadh 12372, Saudi Arabia
| | - Ahmed S Alazzouni
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo 11795, Egypt
| | - Mohamed A Dkhil
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo 11795, Egypt
- Applied Science Research Center, Applied Science Private University, Amman 11931, Jordan
| | - Marwa A Shabana
- Clinical Pathology Department, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt
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Ma R, Lu Y, He X, Zeng X. LncRNA BBOX1-AS1 targets miR-361-3p/COL1A1 axis to drive the progression of oesophageal carcinoma. Eur J Clin Invest 2023; 53:e13929. [PMID: 36453878 DOI: 10.1111/eci.13929] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 11/17/2022] [Accepted: 11/29/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Oesophageal carcinoma (EC) is one of the types of prevalent malignant cancer in the globe. Many researchers reported the vital role played by long-coding RNAs in EC. In the current research, we investigated the mechanisms of the action of lncRNA BBOX1-AS1 in EC progression. METHODS In EC tissues and EC cells, the expression levels of miR-361-3p along with COL1A1 and BBOX1-AS1 were detected through RT-qPCR or western blotting. MiR-361-3p interactions with BBOX1-AS1 or COL1A1 were verified through Luciferase reporter and RIP tests. Loss of function combined with caspase-3 activity, CCK-8 and Transwell assays was performed to investigate cell apoptosis, proliferation and migration, respectively. Knockdown of BBOX1-AS1 was used for evaluating BBOX1-AS1 effects on tumour development in vivo. RESULTS BBOX1-AS1 was remarkably elevated in EC tissues and cells. In addition, the silencing of BBOX1-AS1 attenuated the cell viability, cell migration and enhanced cell apoptosis of EC, as well as suppressed EC tumour formation in vivo. Moreover, BBOX1-AS1 was found to be a sponge of miR-361-3p, which downregulated miR-361-3p expression. MiR-361-3p inhibitor rescued the anti-tumour effect of BBOX1-AS1 knockdown on the progression of EC. Furthermore, we discovered that miR-361-3p specially bound to COL1A1 3'UTR and downregulated COL1A1 and COL1A1 reduction declined the promoting effect of silencing miR-361-3p on EC cell malignant phenotypes. CONCLUSION BBOX1-AS1 facilitated the EC development and malignancy via miR-361-3p/COL1A1 axis, indicating BBOX1-AS1 could be a novel therapy target for the diagnostic of EC.
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Affiliation(s)
- Ruidong Ma
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Yuhai Lu
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Xiaoping He
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Xiaofei Zeng
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Chengdu Medical College, Chengdu, China
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13
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Li Y, Zhao H, Li N, Yuan C, Dong N, Wen J, Li Z, Wang Q, Wang L, Mao H. BBOX1-AS1 mediates trophoblast cells dysfunction via regulating hnRNPK/GADD45A axis†. Biol Reprod 2023; 108:408-422. [PMID: 36617174 DOI: 10.1093/biolre/ioad002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/20/2022] [Accepted: 01/01/2023] [Indexed: 01/09/2023] Open
Abstract
Recurrent pregnancy loss (RPL) is a common pathological problem during pregnancy, and its clinical etiology is complex and unclear. Dysfunction of trophoblasts may cause a series of pregnancy complications, including preeclampsia, fetal growth restriction, and RPL. Recently, lncRNAs have been found to be closely related to the occurrence and regulation of pregnancy-related diseases, but few studies have focused on their role in RPL. In this study, we identified a novel lncRNA BBOX1-AS1 that was significantly upregulated in villous tissues and serum of RPL patients. Functionally, BBOX1-AS1 inhibited proliferation, migration, invasion, tube formation and promoted apoptosis of trophoblast cells. Mechanistically, overexpression of BBOX1-AS1 activated the p38 and JNK MAPK signaling pathways by upregulating GADD45A expression. Further studies indicated that BBOX1-AS1 could increase the stability of GADD45A mRNA by binding hnRNPK and ultimately cause abnormal trophoblast function. Collectively, our study highlights that the BBOX1-AS1/hnRNPK/GADD45A axis plays an important role in trophoblast-induced RPL and that BBOX1-AS1 may serve as a potential target for the diagnosis of RPL.
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Affiliation(s)
- Yali Li
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Hui Zhao
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Ning Li
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Chao Yuan
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Nana Dong
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Jin Wen
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Zihui Li
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Qun Wang
- Key Laboratory of Infection and Immunity of Shandong Province, Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Lina Wang
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Haiting Mao
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, Shandong, China
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14
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LncRNA BBOX1-AS1 Contributes to the Progression of Esophageal Carcinoma by Targeting the miR-361-3p/COL5A1 Axis. Biochem Genet 2022:10.1007/s10528-022-10307-3. [PMID: 36586008 DOI: 10.1007/s10528-022-10307-3] [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: 08/16/2022] [Accepted: 11/22/2022] [Indexed: 01/01/2023]
Abstract
Long noncoding RNAs (lncRNAs) are known to participate in the progression of several cancers, including esophageal carcinoma (EC), a common malignancy of the digestive system. Although the role of the lncRNA-miRNA-mRNA regulatory network is crucial for the growth and progression of EC, the regulation of lncRNA BBOX1-AS1 (BBOX1 antisense RNA1) remains unclear. We performed reverse transcription-quantitative PCR (RT-qPCR) and western blotting to evaluate miR-361-3p, collagen type V alpha 1 chain (COL5A1), and BBOX1-AS1 expression levels in EC cells and tissues. The colony formation assay (CFA) and Cell Counting Kit-8 (CCK-8) were employed to identify EC cell proliferation, while western blotting was used to examine EC cell apoptosis and Bax and Bcl-2 expression levels. The effect of BBOX1-AS1 on EC proliferation was determined using an in vivo carcinogenesis assay. Correlation between COL5A1, BBOX1-AS1, and miR-361-3p was examined using the luciferase reporter system and RNA immunoprecipitation assay (RIP). Herein, we observed that BBOX1-AS1 expression levels were upregulated in EC cells and tissues. BBOX1-AS1 knockdown inhibited EC cell proliferation and conferred a pro-apoptotic effect. These results indicated a positive interaction between BBOX1-AS1 and miR-361-3p in EC and a negative association with miR-361-3p. COL5A1 was recognized as a downstream miR-361-3p target and was inversely related to miR-361-3p in EC. Therefore, BBOX1-AS1 expression suppressed cell apoptosis and promoted cell proliferation via the downregulation of miR-361-3p and upregulation of COL5A1 expression. Overall, BBOX1-AS1 facilitates EC progression via the miR-361-3p or COL5A1 axis, indicating that BBOX1-AS1 might be a potential therapeutic target for EC therapy.
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Tao H, Zhang Y, Li J, Liu J, Yuan T, Wang W, Liang H, Zhang E, Huang Z. Oncogenic lncRNA BBOX1-AS1 promotes PHF8-mediated autophagy and elicits sorafenib resistance in hepatocellular carcinoma. Mol Ther Oncolytics 2022; 28:88-103. [PMID: 36699616 PMCID: PMC9852557 DOI: 10.1016/j.omto.2022.12.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Some long non-coding RNAs (lncRNAs) have been documented to be involved in cancer progression and anticancer drug resistance in hepatocellular carcinoma (HCC). Thus, approaches designed to target these genes may facilitate the development of promising strategies for treating HCC. Previously, we showed that lncRNA BBOX1-AS1 was highly expressed and played an oncogenic role in HCC. However, the potential functions and mechanisms through which BBOX1-AS1 regulates HCC progression and drug resistance remain unclear. This study revealed that BBOX1-AS1 could promote tumor progression, autophagy, and drug resistance by upregulating PHF8 in HCC cells. Mechanistically, BBOX1-AS1 enhanced the stability of PHF8 mRNA by targeting the PHF8 inhibitor miR-361-3p to regulate tumor progression and autophagy in HCC. The functional rescue experiments showed that PHF8 acted as a key factor in regulating the biological effects induced by BBOX1-AS1 and miR-361-3p in HCC, indicating that BBOX1-AS1 promotes tumor progression and sorafenib resistance by regulating miR-361-3p/PHF8. Finally, mouse tumor models and patient-derived organoid models were established to further confirm these findings. Taken together, the results demonstrate that BBOX1-AS1 promotes HCC progression and sorafenib resistance via the miR-361-3p/PHF8 axis.
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Affiliation(s)
- Haisu Tao
- Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Yuxin Zhang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Jiang Li
- The First Affiliated Hospital, College of Medicine, Shihezi University, Shihezi, Xinjiang, China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, Beijing, China
| | - Junjie Liu
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Tong Yuan
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Wenqiang Wang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Huifang Liang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
- Corresponding author: Huifang Liang, Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
| | - Erlei Zhang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
- Corresponding author: Erlei Zhang, Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
| | - Zhiyong Huang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
- Corresponding author: Zhiyong Huang, Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
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Li F, Yin YK, Zhang JT, Gong HP, Hao XD. Role of circular RNAs in retinoblastoma. Funct Integr Genomics 2022; 23:13. [PMID: 36547723 DOI: 10.1007/s10142-022-00942-9] [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: 09/25/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Retinoblastoma (RB), the most common malignant retinal tumor among children under 3 years old, is lethal if left untreated. Early diagnosis, together with timely and effective treatment, is important to improve retinoblastoma-related outcomes. Circular RNAs (circRNAs), a new class of non-coding RNAs with the capacity to regulate cellular activities, have great potential in retinoblastoma diagnosis and treatment. Recent studies have identified circular RNAs that regulate multiple cellular processes involved in retinoblastoma, including cell viability, proliferation, apoptosis, autophagy, migration, and invasion. Six circular RNAs (circ-FAM158A, circ-DHDDS, circ-E2F3, circ-TRHDE, circ-E2F5, and circ-RNF20) promote disease progression and metastasis in retinoblastoma and function as oncogenic factors. Other circular RNAs, such as circ-TET1, circ-SHPRH, circ-MKLN1, and circ-CUL2, play tumor suppressive roles in retinoblastoma. At present, the studies on the regulatory mechanism of circular RNAs in retinoblastoma are not very clear. The purpose of this review is to summarize recent studies on the functional roles and molecular mechanisms of circular RNAs in retinoblastoma and highlight novel strategies for retinoblastoma diagnosis, prognosis, and treatment.
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Affiliation(s)
- Fei Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Yi-Ke Yin
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Ji-Tao Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Hai-Pai Gong
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Xiao-Dan Hao
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China.
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Shi ZL, Zhou GQ, Guo J, Yang XL, Yu C, Shen CL, Zhu XG. Identification of a Prognostic Colorectal Cancer Model Including LncRNA FOXP4-AS1 and LncRNA BBOX1-AS1 Based on Bioinformatics Analysis. Cancer Biother Radiopharm 2022; 37:893-906. [PMID: 33481661 PMCID: PMC9805880 DOI: 10.1089/cbr.2020.4242] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Background: Knowledge about the prognostic role of long noncoding RNA (lncRNA) in colorectal cancer (CRC) is limited. Therefore, we constructed a lncRNA-related prognostic model based on data from the Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA). Materials and Methods: CRC transcriptome and clinical data were downloaded from the GSE20916 dataset and the TCGA database, respectively. R software was used for data processing and analysis. The differential lncRNA expression within the two datasets was first screened, and then intersections were measured. Cox regression and the Kaplan-Meier method were used to evaluate the effects of various factors on prognosis. The area under the curve (AUC) of the receiver operating characteristic curve and a nomogram based on multivariate Cox analysis were used to estimate the prognostic value of the lncRNA-related model. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were applied to elucidate the significantly involved biological functions and pathways. Results: A total of 11 lncRNAs were crossed. The univariate Cox analysis screened out two lncRNAs, which were analyzed in the multivariate Cox analysis. A nomogram based on the two lncRNAs and other clinicopathological risk factors was constructed. The AUC of the nomogram was 0.56 at 3 years and 0.71 at 5 years. The 3-year nomogram model was compared with the ideal model, which showed that some indices of the 3-year model were consistent with the ideal model, suggesting that our model was highly accurate. The GO and KEGG enrichment analyses showed that positive regulation of secretion by cells, positive regulation of secretion, positive regulation of exocytosis, endocytosis, and the calcium signaling pathway were differentially enriched in the two-lncRNA-associated phenotype. Conclusions: A two-lncRNA prognostic model of CRC was constructed by bioinformatics analysis. The model had moderate prediction accuracy. LncRNA BBOX1-AS1 and lncRNA FOXP4-AS1 were identified as prognostic biomarkers.
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Affiliation(s)
- Zhi-Liang Shi
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China.,Department of Gastrointestinal Surgery, Changshu No. 2 Hospital, Suzhou, China
| | - Guo-Qiang Zhou
- Department of Gastrointestinal Surgery, Changshu No. 2 Hospital, Suzhou, China
| | - Jian Guo
- Department of Gastrointestinal Surgery, Changshu No. 2 Hospital, Suzhou, China
| | - Xiao-Ling Yang
- Department of Gastrointestinal Surgery, Changshu No. 2 Hospital, Suzhou, China
| | - Cheng Yu
- Department of Gastrointestinal Surgery, Changshu No. 2 Hospital, Suzhou, China
| | - Cheng-Long Shen
- Department of Gastrointestinal Surgery, Changshu No. 2 Hospital, Suzhou, China
| | - Xin-Guo Zhu
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China.,Address correspondence to: Xin-Guo Zhu; Department of General Surgery, The First Affiliated Hospital of Soochow University; 188 Shizi Street, Gusu District, Suzhou City, Suzhou 215006, Jiangsu Province, China
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18
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lncRNA BBOX1-AS1 silencing inhibits esophageal squamous cell cancer progression by promoting ferroptosis via miR-513a-3p/SLC7A11 axis. Eur J Pharmacol 2022; 934:175317. [DOI: 10.1016/j.ejphar.2022.175317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/17/2022] [Accepted: 10/03/2022] [Indexed: 11/20/2022]
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Cancer-associated fibroblasts-derived extracellular vesicles carrying lncRNA SNHG3 facilitate colorectal cancer cell proliferation via the miR-34b-5p/HuR/HOXC6 axis. Cell Death Dis 2022; 8:346. [PMID: 35922404 PMCID: PMC9349187 DOI: 10.1038/s41420-022-01116-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 02/07/2022] [Accepted: 02/15/2022] [Indexed: 11/30/2022]
Abstract
Cancer-associated fibroblasts (CAFs)-derived extracellular vesicles (EVs) can mediate tumorigenesis. Long noncoding RNA (LncRNA) SNHG3 is implicated in colorectal cancer (CRC) progression. The current study sought to clarify the role of CAFs-EVs carrying SNHG3 in CRC cell proliferation. Firstly, CAFs and normal fibroblasts (NFs) were cultured and identified, followed by isolation and characterization of CAFs-EVs and NFs-EVs. CRC cells were cultured with CAFs-EVs or CAFs-EVs overexpressing SNHG3. The effects of SNHG3 on CRC cell proliferation was evaluated using CCK-8, colony formation, and EdU staining assays. The binding relationships among SNHG3, miR-34b-5p, and HuR were validated, in addition to analyzing the binding between HuR and HOXC6. Lastly, xenograft tumor model was established to verify the role of CAFs-EVs carrying SNHG3 in vivo. SNHG3 was highly expressed in CRC cells and CAFs-EVs, whereas CAFs-EVs facilitated CRC cell proliferation. Mechanically, CAFs-EVs carried SNHG3 into CRC cells to upregulate HuR expression by competitively binding to miR-34b-5p, promote the binding of HuR and HOXC6, and enhance HOXC6 transcription. miR-34b-5p over-expression or HOXC6 silencing annulled the effect of CAFs-EVs. SNHG3 carried by CAFs-EVs facilitated CRC proliferation via the miR-34b-5p/HuR/HOXC6 axis in vivo. Collectively, our findings indicated that CAFs-EVs carried SNHG3 into CRC cells to upregulate HuR expression by sponging miR-34b-5p and finally enhance HOXC6 transcription, thereby facilitating CRC cell proliferation.
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Wu H, Zhou S, Zheng Y, Pan Z, Chen Y, Wang X. LncRNA BBOX1-AS1 promotes pituitary adenoma progression via sponging miR-361-3p/E2F1 axis. Anticancer Drugs 2022; 33:652-662. [PMID: 35324526 DOI: 10.1097/cad.0000000000001309] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Pituitary adenoma is one of the most common intracranial tumors, more and more studies have shown that long non-coding RNA (lncRNA) plays a very important role in pituitary adenoma. However, there are few reports on the function of lncRNA BBOX1-AS1 in pituitary adenomas, and further exploration is needed. The objective of this research is to figure out what function BBOX1-AS1 plays in pituitary adenoma and how it regulates it. The expression of the E2F1, miR-361-3p and BOX1-AS1 genes was measured using a quantitative real-time PCR method. The functional involvement of BBOX1-AS1 in pituitary adenoma was examined utilizing the Transwell assay, western blot assays and the cell counting kit-8. RNA immunoprecipitation and luciferase reporter assays revealed that miR-361-3p binds to E2F1 or BBOX1-AS1. In addition, in-vivo assays were carried out. The expression of BBOX1-AS1 in pituitary adenoma tissues and cells has been increased, according to our findings. Furthermore, it is also noted that downregulation of BBOX1-AS1causes the inhibition of pituitary adenoma cells which result in invasion, apoptosis and proliferation, as well as boosting tumor development in vivo . In addition, BBOX1-AS1 knockdown inhibited tumor development in vivo . We identify BBOX1-AS1 bind to miR-361-3p and to suppress its expression in a negative way. Moreover, miR-361-3p has been shown to bind with E2F1 and inhibit its expression. E2F1 also corrected miR-361-3p-mediated cell invasion, proliferation and apoptosis in BBOX1-AS1-dysregulated pituitary adenoma cells in rescue tests. BBOX1-AS1 increases pituitary adenoma malignant activity by sponging miR-361-3p to upregulate E2F1 expression, which may lead to a new path in pituitary adenoma therapeutic attempts.
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Affiliation(s)
- Haijun Wu
- Department of Neurosurgery, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan
| | - Shaolong Zhou
- Department of Neurosurgery, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan
| | - Yuqian Zheng
- Department of Neurosurgery, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan
| | - Zheng Pan
- Department of Neurosurgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Yongshun Chen
- Department of Neurosurgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Xinjun Wang
- Department of Neurosurgery, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan
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Sobolewski C, Dubuquoy L, Legrand N. MicroRNAs, Tristetraprolin Family Members and HuR: A Complex Interplay Controlling Cancer-Related Processes. Cancers (Basel) 2022; 14:cancers14143516. [PMID: 35884580 PMCID: PMC9319505 DOI: 10.3390/cancers14143516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 12/17/2022] Open
Abstract
Simple Summary AU-rich Element Binding Proteins (AUBPs) represent important post-transcriptional regulators of gene expression by regulating mRNA decay and/or translation. Importantly, AUBPs can interfere with microRNA-dependent regulation by (i) competing with the same binding sites on mRNA targets, (ii) sequestering miRNAs, thereby preventing their binding to their specific targets or (iii) promoting miRNA-dependent regulation. These data highlight a new paradigm where both miRNA and RNA binding proteins form a complex regulatory network involved in physiological and pathological processes. However, this interplay is still poorly considered, and our current models do not integrate this level of complexity, thus potentially giving misleading interpretations regarding the role of these regulators in human cancers. This review summarizes the current knowledge regarding the crosstalks existing between HuR, tristetraprolin family members and microRNA-dependent regulation. Abstract MicroRNAs represent the most characterized post-transcriptional regulators of gene expression. Their altered expression importantly contributes to the development of a wide range of metabolic and inflammatory diseases but also cancers. Accordingly, a myriad of studies has suggested novel therapeutic approaches aiming at inhibiting or restoring the expression of miRNAs in human diseases. However, the influence of other trans-acting factors, such as long-noncoding RNAs or RNA-Binding-Proteins, which compete, interfere, or cooperate with miRNAs-dependent functions, indicate that this regulatory mechanism is much more complex than initially thought, thus questioning the current models considering individuals regulators. In this review, we discuss the interplay existing between miRNAs and the AU-Rich Element Binding Proteins (AUBPs), HuR and tristetraprolin family members (TTP, BRF1 and BRF2), which importantly control the fate of mRNA and whose alterations have also been associated with the development of a wide range of chronic disorders and cancers. Deciphering the interplay between these proteins and miRNAs represents an important challenge to fully characterize the post-transcriptional regulation of pro-tumorigenic processes and design new and efficient therapeutic approaches.
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Yao H, Jiang X, Fu H, Yang Y, Jin Q, Zhang W, Cao W, Gao W, Wang S, Zhu Y, Ying J, Tian L, Chen G, Tong Z, Qi J, Zhou S. Exploration of the Immune-Related Long Noncoding RNA Prognostic Signature and Inflammatory Microenvironment for Cervical Cancer. Front Pharmacol 2022; 13:870221. [PMID: 35662687 PMCID: PMC9161697 DOI: 10.3389/fphar.2022.870221] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 03/22/2022] [Indexed: 12/18/2022] Open
Abstract
Purpose: Our research developed immune-related long noncoding RNAs (lncRNAs) for risk stratification in cervical cancer (CC) and explored factors of prognosis, inflammatory microenvironment infiltrates, and chemotherapeutic therapies. Methods: The RNA-seq data and clinical information of CC were collected from the TCGA TARGET GTEx database and the TCGA database. lncRNAs and immune-related signatures were obtained from the GENCODE database and the ImPort database, respectively. We screened out immune-related lncRNA signatures through univariate Cox, LASSO, and multivariate Cox regression methods. We established an immune-related risk model of hub immune-related lncRNAs to evaluate whether the risk score was an independent prognostic predictor. The xCell and CIBERSORTx algorithms were employed to appraise the value of risk scores which are in competition with tumor-infiltrating immune cell abundances. The estimation of tumor immunotherapy response through the TIDE algorithm and prediction of innovative recommended medications on the target to immune-related risk model were also performed on the basis of the IC50 predictor. Results: We successfully established six immune-related lncRNAs (AC006126.4, EGFR-AS1, RP4-647J21.1, LINC00925, EMX2OS, and BZRAP1-AS1) to carry out prognostic prediction of CC. The immune-related risk model was constructed in which we observed that high-risk groups were strongly linked with poor survival outcomes. Risk scores varied with clinicopathological parameters and the tumor stage and were an independent hazard factor that affect prognosis of CC. The xCell algorithm revealed that hub immune-related signatures were relevant to immune cells, especially mast cells, DCs, megakaryocytes, memory B cells, NK cells, and Th1 cells. The CIBERSORTx algorithm revealed an inflammatory microenvironment where naive B cells (p < 0.01), activated dendritic cells (p < 0.05), activated mast cells (p < 0.0001), CD8+ T cells (p < 0.001), and regulatory T cells (p < 0.01) were significantly lower in the high-risk group, while macrophages M0 (p < 0.001), macrophages M2 (p < 0.05), resting mast cells (p < 0.0001), and neutrophils (p < 0.01) were highly conferred. The result of TIDE indicated that the number of immunotherapy responders in the low-risk group (124/137) increased significantly (p = 0.00000022) compared to the high-risk group (94/137), suggesting that the immunotherapy response of CC patients was completely negatively correlated with the risk scores. Last, we compared differential IC50 predictive values in high- and low-risk groups, and 12 compounds were identified as future treatments for CC patients. Conclusion: In this study, six immune-related lncRNAs were suggested to predict the outcome of CC, which is beneficial to the formulation of immunotherapy.
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Affiliation(s)
- Hui Yao
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Xiya Jiang
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Hengtao Fu
- Department of Pharmacy, North China University of Science and Technology, Tangshan, China
| | - Yinting Yang
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Qinqin Jin
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Weiyu Zhang
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Wujun Cao
- Department of Clinical Laboratory, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Wei Gao
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Senlin Wang
- Department of Clinical Laboratory, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Yuting Zhu
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Jie Ying
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Lu Tian
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Guo Chen
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
| | - Zhuting Tong
- Department of Radiation Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jian Qi
- Anhui Province Key Laboratory of Medical Physics and Technology, Center of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Shuguang Zhou
- Department of Gynecology, Anhui Medical University Affiliated Maternity and Child Healthcare Hospital, Hefei, China.,Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, China
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Sheng J, Zhou M, Wang C, Jia J, Chu J, Ju C, Wan J, He J, He F. Long non-coding RNA BBOX1-AS1 exacerbates esophageal squamous cell carcinoma development by regulating HOXB7/β-catenin axis. Exp Cell Res 2022; 415:113117. [PMID: 35351402 DOI: 10.1016/j.yexcr.2022.113117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 02/07/2023]
Abstract
Mounting evidence suggests that long non-coding RNAs play a critical role in the occurrence and development of human malignancies. Nonetheless, it remains unknown whether Gamma-Butyrobetaine Hydroxylase 1-Antisense RNA 1 (BBOX1-AS1) participates in the regulation of esophageal squamous cell carcinoma (ESCC) carcinogenesis. Herein, we validated that BBOX1-AS1 was notably overexpressed in ESCC tissues compared to the adjacent non-tumor tissues and significantly correlated with tumor sizes. BBOX1-AS1 enhanced the malignant behavior of ESCC cells in vitro, such as cell proliferation, migration, and invasion. In addition, knockdown of BBOX1-AS1 augmented the proportion of apoptotic cells in ESCC cells. Mechanistically, BBOX1-AS1 regulated HOXB7 expression, and rescue experiments indicated that silencing of HOXB7 could abolish the malignant phenotypes mediated by BBOX1-AS1 to a certain extent. Moreover, HOXB7 participated in the activation of the Wnt/β-catenin signaling pathway. In summary, our findings substantiated that BBOX1-AS1 could activate the Wnt/β-catenin pathway by upregulating HOXB7 expression to promote ESCC progression, providing a rationale to develop novel therapeutic approaches.
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Affiliation(s)
- Jinxiu Sheng
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China; Key Clinical Laboratory of Henan Province, Zhengzhou, 450052, Henan, China
| | - Mingxia Zhou
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Chang Wang
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China; Key Clinical Laboratory of Henan Province, Zhengzhou, 450052, Henan, China
| | - Jinlin Jia
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China; Key Clinical Laboratory of Henan Province, Zhengzhou, 450052, Henan, China
| | - Jie Chu
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China; Key Clinical Laboratory of Henan Province, Zhengzhou, 450052, Henan, China
| | - Chenxi Ju
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China; Key Clinical Laboratory of Henan Province, Zhengzhou, 450052, Henan, China
| | - Junhu Wan
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China; Key Clinical Laboratory of Henan Province, Zhengzhou, 450052, Henan, China.
| | - Jing He
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
| | - Fucheng He
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China; Key Clinical Laboratory of Henan Province, Zhengzhou, 450052, Henan, China.
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Ran Z, Wu S, Ma Z, Chen X, Liu J, Yang J. Advances in exosome biomarkers for cervical cancer. Cancer Med 2022; 11:4966-4978. [PMID: 35578572 PMCID: PMC9761094 DOI: 10.1002/cam4.4828] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/10/2022] [Accepted: 04/18/2022] [Indexed: 02/03/2023] Open
Abstract
Cervical cancer (CC) ranks as the fourth most frequently diagnosed malignancy in females worldwide. Exosomes are a subclass of extracellular vesicles released by nearly all types of cells that act as cargo transport vehicles, carrying proteins, and genetic material (such as miRNAs, long noncoding RNAs, and mRNAs) derived from their parent cells may affect receiving cells and thus have emerged as key players in several biological processes, including inflammatory pathways. In this review, we concentrated on the findings of exosome investigations in CC, particularly their components. They direct the actions of CC cells by inducing surface molecules associated with various biological pathways. We summarized the current knowledge of exosomal RNAs and proteins from CC cells and discussed the feasibility of exosomes as potential biomarkers for CC. We suggest that cancer-derived exosomes promote metastasis in CC by supporting EMT, controlling the proliferation, invasion, or migration of cancer cells, as well as influencing immune escape and aiding angiogenesis. Overall, cancer-derived exosomes are critical in the progression of CC, and further studies are necessary to advance our understanding of the clinical value of exosomes in CC.
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Affiliation(s)
- Zihan Ran
- Department of ResearchShanghai University of Medicine & Health Sciences Affiliated Zhoupu HospitalShanghaiChina,Inspection and Quarantine Department, The College of Medical TechnologyShanghai University of Medicine & Health SciencesShanghaiChina,The Genius Medicine Consortium (TGMC)ShanghaiChina
| | - Shaobo Wu
- Inspection and Quarantine Department, The College of Medical TechnologyShanghai University of Medicine & Health SciencesShanghaiChina,The Genius Medicine Consortium (TGMC)ShanghaiChina
| | - Zijng Ma
- Inspection and Quarantine Department, The College of Medical TechnologyShanghai University of Medicine & Health SciencesShanghaiChina,The Genius Medicine Consortium (TGMC)ShanghaiChina
| | - Xiuwen Chen
- Inspection and Quarantine Department, The College of Medical TechnologyShanghai University of Medicine & Health SciencesShanghaiChina,The Genius Medicine Consortium (TGMC)ShanghaiChina
| | - Jing Liu
- Inspection and Quarantine Department, The College of Medical TechnologyShanghai University of Medicine & Health SciencesShanghaiChina
| | - Jingcheng Yang
- The Genius Medicine Consortium (TGMC)ShanghaiChina,State Key Laboratory of Genetic Engineering, Human Phenome Institute, School of Life Sciences and Shanghai Cancer CenterFudan UniversityShanghaiChina,Greater Bay Area Institute of Precision MedicineGuangzhouChina
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25
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Zhao C, Shi W, Chen M. Long non-coding RNA BBOX1-antisense RNA 1 enhances cell proliferation and migration and suppresses apoptosis in oral squamous cell carcinoma via the miR-3940-3p/laminin subunit gamma 2 axis. Bioengineered 2022; 13:11138-11153. [PMID: 35506252 PMCID: PMC9278455 DOI: 10.1080/21655979.2022.2059982] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) play an essential role in oral squamous cell carcinoma (OSCC). We aimed to demonstrate the effects of lncRNA gamma-butyrobetaine hydroxylase 1 (BBOX1)-antisense RNA 1 (AS1) in OSCC and its regulatory mechanisms. The levels of BBOX1-AS1, microRNA (miR)-3940-3p, and laminin subunit gamma 2 (LAMC2) in OSCC were determined using reverse transcription-quantitative polymerase chain reaction. The correlations among BBOX1-AS1, miR-3940-3p, and LAMC2 were validated using luciferase, pull-down, and RNA immunoprecipitation assays. Cell proliferation, migration, and apoptosis were examined. BBOX1-AS1 and LAMC2 were notably overexpressed in OSCC, while miR-3940-3p showed the opposite trend. BBOX-1-AS1 silencing reduced the cell proliferation and migration, while promoting apoptosis. Mechanistically, BBOX1-AS1 modulates LAMC2 expression by competitively binding to miR-3940-3p. miR-3940-3p inhibition alleviated the inhibitory effects of BBOX1-AS1 deficiency on OSCC development. LAMC2 knockdown reversed these changes. Our results revealed that BBOX1-AS1 promotes the malignant phenotype of OSCC cells via the upregulation of LAMC2 expression by targeting miR-3940-3p, indicating that BBOX1-AS1 may be a novel target for OSCC intervention.
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Affiliation(s)
- Chunguang Zhao
- Department of Stomatology, the Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, Wuhan, Hubei, China
| | - Wei Shi
- Department of Otolaryngology, Tongji Hospital Affiliated to Tongji Medical College of Hust, Wuhan, Hubei, China
| | - Min Chen
- Department of Stomatology, the Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, Wuhan, Hubei, China
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26
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Cai T, Peng B, Hu J, He Y. Long noncoding RNA BBOX1-AS1 promotes the progression of gastric cancer by regulating the miR-361-3p/Mucin 13 signaling axis. Bioengineered 2022; 13:13407-13421. [PMID: 36700475 PMCID: PMC9275992 DOI: 10.1080/21655979.2022.2072629] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
Gastric cancer (GC) places a heavy burden on global health, and the information on the molecular mechanism of the progression of GC is still inadequate. Long noncoding RNA (LncRNA) has been confirmed to be widely involved in regulating the progression of GC. Our aim in this study was to explore the role and potential regulatory mechanism of lncRNA BBOX1-AS1 in GC. The expression levels of BBOX1-AS1, miR-361-3p, and MUC13 in GC tissues and cells were evaluated using quantitative real-time polymerase chain reaction and western blotting. The silencer of BBOX1 antisense RNA 1 (BBOX1-AS1) and mucin 13 (MUC13), the mimics and inhibitor of miR-361-3p, and their negative controls were used to alter the expression of these genes. Luciferase reporter, pull-down, and RNA immunoprecipitation assays were performed to verify the correlation between miR-361-3p, BBOX1-AS1, and MUC13. GC cell proliferation, invasion, and apoptosis were detected by cell counting kit-8, transwell, and flow cytometry assays, respectively. An in vivo functional experiment was performed to assess the effect of BBOX1-AS1 on GC. The results showed that BBOX1-AS1 was significantly upregulated in GC tissues. Silencing of BBOX1-AS1 inhibited GC cell proliferation and invasion and inhibited tumor growth in vivo, whereas it promoted apoptosis. MiR-361-3p was significantly downregulated in GC and counteracted the inhibitory effects of BBOX1-AS1 on GC progression. MUC13, which is targeted by miR-361-3p, is significantly upregulated in GC. MUC13 silencing inhibited GC progression was aborgated by miR-361-3p inhibitor. Collectively, BBOX1-AS1 silencing inhibits GC progression by regulating the miR-361-3p/MUC13 axis, providing a potential therapeutic biomarker for GC.
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Affiliation(s)
- Tao Cai
- Department of Gastrointestinal Surgery, Hubei No. 3 People’s Hospital of Jianghan University, Wuhan, Hubei, China
| | - Binyu Peng
- Department of Thyroid and Breast Surgery, Hubei No. 3 People’s Hospital of Jianghan University, Wuhan, Hubei, China
| | - Jun Hu
- Department of Gastrointestinal Surgery, Hubei No. 3 People’s Hospital of Jianghan University, Wuhan, Hubei, China
| | - Yan He
- Department of Thyroid and Breast Surgery, Hubei No. 3 People’s Hospital of Jianghan University, Wuhan, Hubei, China,CONTACT Yan He Department of Thyroid and Breast Surgery, Hubei No. 3 People’s Hospital of Jianghan University, No. 26 Zhongshan Avenue, Qiaokou District, Wuhan 430033, Hubei, China
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27
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Wang B, Wang M, Jia S, Li T, Yang M, Ge F. Systematic Survey of the Regulatory Networks of the Long Noncoding RNA BANCR in Cervical Cancer Cells. J Proteome Res 2022; 21:1137-1152. [DOI: 10.1021/acs.jproteome.2c00009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Bing Wang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Min Wang
- The Analysis and Testing Center, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Shuzhao Jia
- The Analysis and Testing Center, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Tao Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Mingkun Yang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Feng Ge
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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28
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Sun R, Wang X, Sun X, Zhao B, Zhang X, Gong X, Wong SH, Chan MTV, Wu WKK. Emerging Roles of Long Non-Coding RNAs in Ankylosing Spondylitis. Front Immunol 2022; 13:790924. [PMID: 35222376 PMCID: PMC8866863 DOI: 10.3389/fimmu.2022.790924] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/19/2022] [Indexed: 12/16/2022] Open
Abstract
Ankylosing spondylitis (AS) is a chronic systemic autoimmune disease characterized by inflammation, bone erosion, spur formation of the spine and the sacroiliac joints. However, the etiology and molecular pathogenesis of AS remain largely unclear. Recently, a growing number of studies showed that long non-coding RNAs (lncRNAs) played critical roles in the development and progression of autoimmune and orthopedic conditions, including AS. Studies demonstrated that a myriad of lncRNAs (e.g. H19, MEG3, LOC645166) pertinent to regulation of inflammatory signals were deregulated in AS. A number of lncRNAs might also serve as new biomarkers for the diagnosis and predicting the outcomes of AS. In this review, we summarize lncRNA profiling studies on AS and the functional roles and mechanism of key lncRNAs relevant to AS pathogenesis. We also discuss their potential values as biomarkers and druggable targets for this potentially disabling condition.
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Affiliation(s)
- Ruifu Sun
- Department Spinal of Qingdao Hospital Central, Qingdao Hospital Central, Qingdao, China
| | - Xuesong Wang
- Department Spinal of Qingdao Hospital Central, Qingdao Hospital Central, Qingdao, China
| | - Xiaohong Sun
- Department Obstetrics and Gynecology of Qingdao Hospital Central, Central Qingdao Hospital, Qingdao, China
| | - Bing Zhao
- Department Spinal of Qingdao Hospital Central, Qingdao Hospital Central, Qingdao, China
| | - Xiugong Zhang
- Department Spinal of Qingdao Hospital Central, Qingdao Hospital Central, Qingdao, China
| | - Xiaojin Gong
- Department Spinal of Qingdao Hospital Central, Qingdao Hospital Central, Qingdao, China
| | - Sunny Hei Wong
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
- State Key Laboratory of Digestive Disease and LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Matthew Tak Vai Chan
- Department of Anaesthesia and Intensive Care and Peter Hung Pain Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - William Ka Kei Wu
- State Key Laboratory of Digestive Disease and LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Department of Anaesthesia and Intensive Care and Peter Hung Pain Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
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29
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He S, Feng Y, Zou W, Wang J, Li G, Xiong W, Xie Y, Ma JA, Liu X. The Role of the SOX9/lncRNA ANXA2P2/miR-361-3p/SOX9 Regulatory Loop in Cervical Cancer Cell Growth and Resistance to Cisplatin. Front Oncol 2022; 11:784525. [PMID: 35083143 PMCID: PMC8784813 DOI: 10.3389/fonc.2021.784525] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/29/2021] [Indexed: 01/04/2023] Open
Abstract
Cervical cancer is a highly prevalent female malignancy. Presently, cisplatin (DDP) is a first-line agent for cervical cancer chemotherapy. However, its curative effect is limited because of chemo-resistance. It has been previously reported that SOX9 targeted and activated oncogenic genes, enhancing cervical cancer cell resistance to DDP. The effects of the SOX9/lncRNA ANXA2P2/miR-361-3p/SOX9 regulatory loop on cervical cancer cell growth and resistance to DDP have been demonstrated. miR-361-3p expression was decreased in DDP-resistant cervical cancer cells and tissues. Moreover, miR-361-3p overexpression inhibited the growth of resistant cervical cancer cells and the resistance to DDP, whereas miR-361-3p inhibition exerted opposite effects. miR-361-3p inhibited SOX9 expression through binding; the effects of miR-361-3p inhibition were partially reversed by SOX9 knockdown. LncRNA ANXA2P2 expression was elevated in DDP-resistant cervical cancer cells and tissues. LncRNA ANXA2P2 inhibited miR-361-3p expression by binding, thereby upregulating SOX9. LncRNA ANXA2P2 knockdown inhibited DDP-resistant cervical cancer cell growth and resistance to DDP, whereas the effects of lncRNA ANXA2P2 knockdown were partially reversed by miR-361-3p inhibition. SOX9 expression was elevated in DDP-resistant cervical cancer cells and tissues, and SOX9 activated lncRNA ANXA2P2 transcription by binding. Collectively, SOX9, lncRNA ANXA2P2, and miR-361-3p form a regulatory loop, modulating DDP-resistant cervical cancer cell growth and response to DDP treatment.
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Affiliation(s)
- Shasha He
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yeqian Feng
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Wen Zou
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jingjing Wang
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Guiyuan Li
- Cancer Research Institute of Central South University, Changsha, China
| | - Wei Xiong
- Cancer Research Institute of Central South University, Changsha, China
| | - Yangchun Xie
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jin-An Ma
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xianling Liu
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
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Zhang W, Yang S, Chen D, Yuwen D, Zhang J, Wei X, Han X, Guan X. SOX2-OT induced by PAI-1 promotes triple-negative breast cancer cells metastasis by sponging miR-942-5p and activating PI3K/Akt signaling. Cell Mol Life Sci 2022; 79:59. [PMID: 34997317 PMCID: PMC11072091 DOI: 10.1007/s00018-021-04120-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 12/14/2022]
Abstract
Triple-negative breast cancer (TNBC) has an aggressive biological behavior and poor outcome. Our published study showed that PAI-1 could induce the migration and metastasis of TNBC cells. However, the underlying mechanism by which PAI-1 regulates TNBC metastasis has not been addressed. Here, we demonstrated that PAI-1 is high expressed in TNBC and promotes TNBC cells tumorigenesis. Using microarray analysis of lncRNA expression profiles, we identified a lncRNA SOX2-OT, which is induced by PAI-1 and could function as an oncogenic lncRNA in TNBC. Mechanistic analysis demonstrated that SOX2-OT acts as a molecular sponge for miR-942-5p to regulate the expression of PIK3CA, ultimately leading to activating PI3K/Akt signaling pathway and promoting TNBC metastasis. Taken together, our findings suggest that SOX2-OT regulates PAI-1-induced TNBC cell metastasis through miR-942-5p/PIK3CA signaling and illustrate the great potential of developing new SOX2-OT-targeting therapy for TNBC patients.
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Affiliation(s)
- Wenwen Zhang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China.
| | - Shuofei Yang
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Datian Chen
- Department of Oncology, Haimen People's Hospital, Nantong University, Nantong, China
| | - Daolu Yuwen
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China
| | - Juan Zhang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China
| | - Xiaowei Wei
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China
| | - Xin Han
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Xiaoxiang Guan
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China.
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Chang Q, Wu J, An Y, Liu H, Sun Y. Propofol suppresses proliferation, migration, invasion, and tumor growth of liver cancer cells via suppressing cancer susceptibility candidate 9/phosphatase and tensin homolog/AKT serine/threonine kinase/mechanistic target of rapamycin kinase axis. Hum Exp Toxicol 2022; 41:9603271211065972. [PMID: 35238236 DOI: 10.1177/09603271211065972] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Propofol is a commonly used drug for sedation and general anesthesia during cancer surgery. Previous studies indicate that propofol exerts anti-tumor effect in various cancers. The aim of this study was to investigate the underlying molecular mechanism of propofol in liver cancer. The effects of propofol on liver cancer cells were evaluated by cell viability assay, colony formation assay, and tumor xenograft model. Dysregulated lncRNAs of propofol-treated liver cancer cells were evaluated by transcriptome RNA sequencing. The underlying molecular mechanisms of lncRNA cancer susceptibility candidate 9 (CASC9) in propofol-induced anti-tumor effects were evaluated by western blot, quantitative real-time polymerase chain reaction (qRT-PCR), wound scratch healing assay, transwell cell migration and invasion assay, TUNEL staining, fluorescence in situ hybridization, RNA immunoprecipitation (RIP), and chromatin immunoprecipitation (ChIP). We found that propofol suppressed proliferation, migration, invasion, and tumor xenograft growth of liver cancer cells in a dose-dependent manner. Exosomes transfer from propofol-treated cells inhibited proliferation, migration, and invasion and promoted apoptosis of liver cancer cells. Transcriptional profiling of propofol-treated liver cancer cells identified CASC9 as significantly downregulated lncRNA in cells and exosomes. Enforced CASC9 expression partially rescued the inhibitory effects of propofol on liver cancer cells. Furthermore, CASC9 was found to interact directly with EZH2 and epigenetically regulated PTEN expression. Restoration of CASC9 partially abrogated the inhibition of propofol on Akt/mTOR signaling. Our results indicated that propofol exerted anti-tumor effects by downregulating CASC9, and subsequently suppressed Akt/mTOR signaling. Our findings provided a novel insight into propofol-induced anti-tumor effects in liver cancer.
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Affiliation(s)
- Qing Chang
- Department of anesthesiology, Heilongjiang Provincal Hospital(Harbin Institute of Technology, Heilongjiang Provincal Hospital), No. 82 Zhongshan Rd, Harbin 150036, China
| | - Jun Wu
- Department of anesthesiology, Heilongjiang Provincal Hospital(Harbin Institute of Technology, Heilongjiang Provincal Hospital), No. 82 Zhongshan Rd, Harbin 150036, China
| | - Yang An
- Department of anesthesiology, Heilongjiang Provincal Hospital(Harbin Institute of Technology, Heilongjiang Provincal Hospital), No. 82 Zhongshan Rd, Harbin 150036, China
| | - Haiyan Liu
- Department of anesthesiology, Heilongjiang Provincal Hospital(Harbin Institute of Technology, Heilongjiang Provincal Hospital), No. 82 Zhongshan Rd, Harbin 150036, China
| | - Yang Sun
- Department of anesthesiology, Heilongjiang Provincal Hospital(Harbin Institute of Technology, Heilongjiang Provincal Hospital), No. 82 Zhongshan Rd, Harbin 150036, China
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Jiang H, He Q, Liu T. BBOX1-AS1 Accelerates Nasopharyngeal Carcinoma Progression by Sponging miR-3940-3p and Enhancing KPNA2 Upregulation. Cancer Manag Res 2021; 13:9049-9062. [PMID: 34938119 PMCID: PMC8687136 DOI: 10.2147/cmar.s327211] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Upregulation of lncRNA BBOX1 antisense RNA 1 (BBOX1-AS1) has been examined in various tumors. However, its role in nasopharyngeal carcinoma (NPC) remains poorly understood. Methods RT-qPCR was performed to measure the expression of BBOX1-AS1, KPNA2, and miR-3940-3p. In vitro assays were performed to determine the alteration of cell phenotypes in NPC cells upon transfection or co-transfection with sh-BBOX1-AS1, sh-KPNA2, or miR-3940-3p inhibitor. The BBOX1-AS1-miR-3940-3p and miR-3940-3p-KPNA2 interplay was verified via luciferase reporter and RNA pull-down assays. Results High BBOX1-AS1 levels were detected in the nasopharyngeal carcinoma tissues. BBOX1-AS1 silencing considerably suppressed the proliferative, migratory, and invasive abilities of NPC cells in vitro. Interestingly, BBOX1-AS1 could specifically bind to miR-3940-3 and abrogate the inhibition of KPNA2 induced by miR-3940-3. Additionally, analysis of tissue samples showed that miR-3940-3 was inversely correlated with BBOX1-AS1 and KPNA2. Conclusion Our findings revealed that the BBOX1-AS1/miR-3940-3/KPNA2 axis is pro-oncogenic in NPC progression, uncovering novel insights into targeted therapy for this disorder.
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Affiliation(s)
- Haihua Jiang
- Department of Otolaryngology Head and Neck Surgery, Yantai Affiliated Hospital of Binzhou Medical College, Yantai, Shandong, 264100, People's Republic of China
| | - Qinglong He
- Department of Otolaryngology Head and Neck Surgery, Yantai Affiliated Hospital of Binzhou Medical College, Yantai, Shandong, 264100, People's Republic of China
| | - Tingyan Liu
- Department of Otolaryngology Head and Neck Surgery, Yantai Affiliated Hospital of Binzhou Medical College, Yantai, Shandong, 264100, People's Republic of China
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Zhang Y, Wang X, Cheng XK, Zong YY, He RQ, Chen G, Qin YJ. Clinical significance and effect of lncRNA BBOX1-AS1 on the proliferation and migration of lung squamous cell carcinoma. Oncol Lett 2021; 23:17. [PMID: 34820016 PMCID: PMC8607367 DOI: 10.3892/ol.2021.13135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/19/2021] [Indexed: 12/25/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) have a role in the occurrence and development of lung squamous cell carcinoma (LUSC). lncRNA γ-butyrobetaine hydroxylase 1 (BBOX1)-antisense 1 (AS1) may contribute to disease development. However, there are no studies on the role of BBOX1-AS1 in LUSC to date. In the present study, an in-house gene microarray analysis was performed to detect the differentially expressed lncRNAs and mRNAs between three pairs of LUSC and normal lung tissues. Only one lncRNA, BBOX1-AS1, was differentially expressed in the in-house microarray and The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO) and ArrayExpress databases. Reverse transcription-quantitative PCR (RT-qPCR) was then performed and the original RNA-sequencing data from the TCGA, GEO and ArrayExpress datasets were used to determine the expression and clinical value of BBOX1-AS1 in LUSC. In addition, a Cell Counting Kit-8 assay, cell cycle analysis and scratch assay were performed to explore whether BBOX1-AS1 expression affected the proliferation and migration of LUSC cells in vitro. The results of the RT-qPCR analysis and data obtained from the TCGA database, GEO datasets, in-house gene microarray and standard mean deviation analysis all supported the upregulated expression level of BBOX1-AS1 in LUSC. Furthermore, silencing of BBOX1-AS1 inhibited the proliferation and migration of LUSC cells according to in vitro assays. In addition, the cells were arrested in S-phase after knockdown of BBOX1-AS1. In conclusion, the expression level of BBOX1-AS1 was upregulated in LUSC tissues. BBOX1-AS1 may exert an oncogenic effect on LUSC by regulating various biological functions. However, additional functional experiments should be performed to verify the exact mechanism.
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Affiliation(s)
- Yu Zhang
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250000, P.R. China
| | - Xiao Wang
- Department of Orthopedics, Shandong Second Provincial General Hospital, Shandong Provincial ENT Hospital, Jinan, Shandong 250000, P.R. China
| | - Xian-Kui Cheng
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250000, P.R. China
| | - Yuan-Yuan Zong
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250000, P.R. China
| | - Rong-Quan He
- Department of Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Gang Chen
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Ye-Jun Qin
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250000, P.R. China
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EGR1 modulated LncRNA HNF1A-AS1 drives glioblastoma progression via miR-22-3p/ENO1 axis. Cell Death Dis 2021; 7:350. [PMID: 34772911 PMCID: PMC8590016 DOI: 10.1038/s41420-021-00734-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 09/30/2021] [Accepted: 10/20/2021] [Indexed: 11/26/2022]
Abstract
Accumulating evidences revealed that long noncoding RNAs (lncRNAs) have been participated in cancer malignant progression, including glioblastoma multiforme (GBM). Despite much studies have found the precise biological role in the regulatory mechanisms of GBM, however the molecular mechanisms, particularly upstream mechanisms still need further elucidated. RT-QPCR, cell transfection, western blotting and bioinformatic analysis were executed to detect the expression of EGR1, HNF1A-AS1, miR-22-3p and ENO1 in GBM. Cell proliferation assay, colony formation assay, wound healing, migration and invasion assays were performed to detect the malignant characters of GBM cells. The molecular regulation mechanism was confirmed by luciferase reporter assay, ChIP and RIP. Finally, orthotopic mouse models were established to examine the effect of HNF1A-AS1 in vivo. In the current study, we analyzed clinical samples to show that the HNF1A-AS1 expression is upregulated and associated with poor patient survival in GBM. Functional studies revealed that HNF1A-AS1 knockdown markedly inhibits malignant phenotypes of GBM cells, whereas overexpression of HNF1A-AS1 exerts opposite effect. Mechanistically, the transcription factor EGR1 forced the HNF1A-AS1 expression by directly binding the promoter region of HNF1A-AS1. Furthermore, combined bioinformatics analysis with our mechanistic work, using luciferase reporter assays and RIP, we first demonstrated that HNF1A-AS1 functions as a competing endogenous RNA (ceRNA) with miR-22-3p to regulate ENO1 expression in GBM cells. HNF1A-AS1 directly binds to miR-22-3p and significantly inhibits miR-22-3p expression, while ENO1 expression was increased. miR-22-3p inhibitor offsets the HNF1A-AS1 silencing induced suppression in malignant behaviors of GBM cells. ENO1 was verified as a direct target of miR-22-3p and its expression levels was negatively with the prognosis in GBM patients. Taken together, our study illuminated the definite mechanism of HNF1A-AS1 in promoting GBM malignancy, and provided a novel therapeutic target for further clinical application.
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Feng ZH, Zheng L, Yao T, Tao SY, Wei XA, Zheng ZY, Zheng BJ, Zhang XY, Huang B, Liu JH, Chen YL, Shan Z, Yuan PT, Wang CG, Chen J, Shen SY, Zhao FD. EIF4A3-induced circular RNA PRKAR1B promotes osteosarcoma progression by miR-361-3p-mediated induction of FZD4 expression. Cell Death Dis 2021; 12:1025. [PMID: 34716310 PMCID: PMC8556261 DOI: 10.1038/s41419-021-04339-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 10/08/2021] [Accepted: 10/18/2021] [Indexed: 12/13/2022]
Abstract
Emerging evidence indicates that circRNAs are broadly expressed in osteosarcoma (OS) cells and play a crucial role in OS progression. Recently, cancer-specific circRNA circPRKAR1B has been identified by high-throughput sequencing and is recorded in publicly available databases. Nevertheless, the detailed functions and underlying mechanisms of circPRKAR1B in OS remains poorly understood. By functional experiments, we found that circPRKAR1B enhanced OS cell proliferation, migration, and promotes OS epithelial–mesenchymal transition (EMT). Mechanistic investigations suggested that circPRKAR1B promotes OS progression through sponging miR-361-3p to modulate the expression of FZD4. Subsequently, we identified that EIF4A3 promoted cirPRKAR1B formation through binding to the downstream target of circPRKAR1B on PRKAR1B mRNA. Further rescue study revealed that overexpression of the Wnt signalling could impair the onco-suppressor activities of the silencing of circPRKAR1B. Interestingly, further experiments indicated that circPRKAR1B is involved in the sensitivity of chemoresistance in OS. On the whole, our results demonstrated that circPRKAR1B exerted oncogenic roles in OS and suggested the circPRKAR1B/miR-361-3p/FZD4 axis plays an important role in OS progression and might be a potential therapeutic target.
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Affiliation(s)
- Zhen-Hua Feng
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Lin Zheng
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Teng Yao
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Si-Yue Tao
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Xiao-An Wei
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Ze-Yu Zheng
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Bing-Jie Zheng
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Xu-Yang Zhang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Bao Huang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Jun-Hui Liu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Yi-Lei Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Zhi Shan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Pu-Tao Yuan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Cheng-Gui Wang
- Department of Orthopedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jian Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Shu-Ying Shen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China.
| | - Feng-Dong Zhao
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China.
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Paskeh MDA, Mirzaei S, Gholami MH, Zarrabi A, Zabolian A, Hashemi M, Hushmandi K, Ashrafizadeh M, Aref AR, Samarghandian S. Cervical cancer progression is regulated by SOX transcription factors: Revealing signaling networks and therapeutic strategies. Biomed Pharmacother 2021; 144:112335. [PMID: 34700233 DOI: 10.1016/j.biopha.2021.112335] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/05/2021] [Accepted: 10/10/2021] [Indexed: 12/24/2022] Open
Abstract
Cervical cancer is the fourth common gynecologic cancer and is considered as second leading cause of death among women. Various strategies are applied in treatment of cervical cancer including radiotherapy, chemotherapy and surgery. However, cervical cancer cells demonstrate aggressive behavior in advanced phases, requiring novel strategies in their elimination. On the other hand, SOX proteins are transcription factors capable of regulating different molecular pathways and their expression varies during embryogenesis, disease development and carcinogenesis. In the present review, our aim is to reveal role of SOX transcription factors in cervical cancer. SOX transcription factors play like a double-edged sword in cancer. For instance, SOX9 possesses both tumor-suppressor and tumor-promoting role in cervical cancer. Therefore, exact role of each SOX members in cervical cancer has been discussed to direct further experiments for revealing other functions. SOX proteins can regulate proliferation and metastasis of cervical cancer cells. Furthermore, response of cervical cancer cells to chemotherapy and radiotherapy is tightly regulated by SOX transcription factors. Different downstream targets of SOX proteins such as Wnt signaling, EMT and Hedgehog have been identified. Besides, upstream mediators such as microRNAs, lncRNAs and circRNAs can regulate SOX expression in cervical cancer. In addition to pre-clinical studies, role of SOX transcription factors as prognostic and diagnostic tools in cervical cancer has been shown.
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Affiliation(s)
- Mahshid Deldar Abad Paskeh
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Sepideh Mirzaei
- Department of Biology, Faculty of Science, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - Mohammad Hossein Gholami
- DVM. Graduated, Faculty of Veterinary Medicine, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956 Istanbul, Turkey; Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Sariyer, Istanbul 34396, Turkey
| | - Amirhossein Zabolian
- Young Researchers and Elite Club, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mehrdad Hashemi
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of epidemiology & Zoonoses, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Milad Ashrafizadeh
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956 Istanbul, Turkey; Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, 34956 Istanbul, Turkey
| | - Amir Reza Aref
- Belfer Center for Applied Cancer Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA; Vice President at Translational Sciences, Xsphera Biosciences Inc. 6 Tide Street, Boston, MA 02210, USA
| | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Li D, Li L, Chen X, Yang W, Cao Y. Circular RNA SERPINE2 promotes development of glioblastoma by regulating the miR-361-3p/miR-324-5p/ BCL2 signaling pathway. MOLECULAR THERAPY-ONCOLYTICS 2021; 22:483-494. [PMID: 34553034 PMCID: PMC8433060 DOI: 10.1016/j.omto.2021.07.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 07/25/2021] [Indexed: 01/26/2023]
Abstract
Circular RNA (circRNA) is a new type of long-sequence RNA formed by a noncanonical form of alternative splicing called back-splicing. Emerging evidence has revealed that circRNAs are involved in cancer progression, regulating cancer-related genes through sponging microRNAs (miRNAs). In our study, we identified a novel upregulated circRNA, circSERPINE2, through analyzing circRNAs microarray data of glioblastoma from GEO datasets (GSE146463). Quantitative real-time PCR was used to further confirm the upregulation of circSERPINE2 in glioblastoma cell lines and tissues. Silencing circSERPINE2 inhibits glioblastoma proliferation in vivo and in vitro through cell counting kit-8 (CCK-8) assay, colony formation assay, flow cytometry analysis, and western blot analysis and xenograft tumor model. Mechanistically, circSERPINE2 could directly sponge miR-324-5p and miR-361-3p. BCL2, known as a novel anti-apoptosis gene, is a target gene both of miR-324-5p and miR-361-3p. Thus, circSERPINE2 promotes BCL2 expression through sponging miR-324-5p and miR-361-3p. In conclusion, our study revealed the biological function and mechanism of circSERPINE2 in glioblastoma progression and that circSERPINE2 could be a potential therapeutic target for glioblastoma.
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Affiliation(s)
- Deheng Li
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, and Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dongan Road, Xuhui, Shanghai 200032, P.R. China
| | - Liangdong Li
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, and Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dongan Road, Xuhui, Shanghai 200032, P.R. China
| | - Xin Chen
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, and Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dongan Road, Xuhui, Shanghai 200032, P.R. China
| | - Wentao Yang
- Department of Pathology, Fudan University Shanghai Cancer Center, and Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dongan Road, Xuhui, Shanghai 200032, P.R. China
| | - Yiqun Cao
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, and Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dongan Road, Xuhui, Shanghai 200032, P.R. China
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Gao Y, Liu C, Zhao X, Liu C, Bi W, Jia J. hsa_circ_0000006 induces tumorigenesis through miR-361-3p targeting immunoglobulin-like domains protein 1 (LRIG1) in osteosarcoma. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1242. [PMID: 34532379 PMCID: PMC8421976 DOI: 10.21037/atm-21-3076] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/23/2021] [Indexed: 01/04/2023]
Abstract
Background Osteosarcoma (OS) is considered to be the most highly prevalent bone tumor. In the progression of different human cancers, the role of circular RNAs (circRNAs) has been extensively studied. Microarray analysis has indicated that hsa_circ_0000006 expression was lower in OS, but the mechanism of hsa_circ_0000006 in regulating the progression of OS remains elusive. Methods The expression of cancer-related genes at the transcriptional and translational levels was assessed by RT-qPCR and western blotting (WB). Colony formation and Cell Counting Kit-8 (CCK-8) assays were used to evaluate the proliferative potential of cells. The transwell assay was used to examine the invasive and migratory potential of cells. Furthermore, dual-luciferase reporter (DLR) and RNA pull-down assays were performed for the validation of the targeting sites of hsa_circ_0000006, miR-361-3p, and the 3'-untranslated region (3'-UTR) of immunoglobulin-like domains protein 1 (LRIG1) mRNA. Moreover, the protein levels of epithelial-to-mesenchymal transition (EMT) markers were analyzed by WB. Results The expression of hsa_circ_0000006 and LRIG1 were found to be down-regulated in OS tissues and cells, while miR-361-3p was up-regulated. Knockdown of hsa_circ_0000006 promoted the progression and development of OS, as well as EMT. Furthermore, hsa_circ_0000006 was revealed as a sponge of miR-361-3p, which negatively regulates miR-361-3p expression. LRIG1 was found to be an miR-361-3p target. In OS cells, the LRIG1 expression level was decreased, with elevated expression of miR-361-3p. Advanced studies demonstrated that hsa_circ_0000006 regulates LRIG1 expression through sponging miR-361-3p, then promotes the tumorigenesis of OS. Conclusions hsa_circ_0000006 is associated with the progression and development of OS through miR-361-3p by target LRIG1, which is a significant biomarker and effective therapeutic target for patients with OS.
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Affiliation(s)
- Yang Gao
- Department of Orthopaedics, General Hospital of Chinese People's Liberation Army, Beijing, China
| | - Chengtao Liu
- Shandong Wendeng Osteopathic Hospital, Weihai, China
| | - Xiaoling Zhao
- CheerLand Clinical Laboratory Co., Ltd., Peking University Medical Industrial Park, Zhongguancun Life Science Park, Beijing, China
| | - Chaojun Liu
- CheerLand Clinical Laboratory Co., Ltd., Peking University Medical Industrial Park, Zhongguancun Life Science Park, Beijing, China
| | - Wenzhi Bi
- Department of Orthopaedics, General Hospital of Chinese People's Liberation Army, Beijing, China
| | - Jinpeng Jia
- Department of Orthopaedics, General Hospital of Chinese People's Liberation Army, Beijing, China
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Zhong L, Zhong X. Long non-coding RNA ARAP1-AS1 contributes to cell proliferation and migration in clear cell renal cell carcinoma via the miR-361-3p/placental growth factor axis. Bioengineered 2021; 12:6629-6642. [PMID: 34516333 PMCID: PMC8806691 DOI: 10.1080/21655979.2021.1975019] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is an aggressive malignancy with a poor prognosis. Therefore, investigating the molecular mechanism of ccRCC is important for ccRCC treatment. Here, we aimed to explore the effect of the long non-coding RNA ARAP1-AS1/miR-361-3p/PGF axis on ccRCC. The expression of lncRNA ARAP1-AS1, miR-361-3p, and placental growth factor (PGF) in ccRCC cells was verified by real-time quantitative PCR (RT-qPCR). The influence of the ARAP1-AS1/miR-361-3p/PGF axis on ccRCC cells was identified using the Cell Counting Kit-8 (CCK-8) assay, colony formation assay, flow cytometry, and wound healing assay. The interaction between ARAP1-AS1, miR-361-3p, and PGF was confirmed by bioinformatics analysis and luciferase assay. The results showed that the levels of ARAP1-AS1 and PGF increased in ccRCC cells, while miR-361-3p expression decreased. Cell functional experiments showed that cell proliferation and migration were inhibited by silencing ARAP1-AS1 or PGF, while miR-361-3p inhibitor or PGF overexpression could relieve the inhibitory effect of silencing ARAP1-AS1 on ccRCC cells. Moreover, ARAP1-AS1 sponges miR-361-3p to increase PGF expression. In conclusion, our study revealed that ARAP1-AS1 enhanced the malignancy of ccRCC cells by regulating the miR-361-3p/PGF axis.
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Affiliation(s)
- Liping Zhong
- Department of Kidney Disease of Internal, Hubei Hospital of Integrated Traditional Chinese and Western Medicine, Wuhan, Hubei, China
| | - Xiuwen Zhong
- Department of Rehabilitation Medicine Center, Wuhan Central Hospital of Hubei Province, Wuhan, Hubei, China
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Long noncoding RNA LINC00958 suppresses apoptosis and radiosensitivity of colorectal cancer through targeting miR-422a. Cancer Cell Int 2021; 21:477. [PMID: 34496838 PMCID: PMC8425007 DOI: 10.1186/s12935-021-02188-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/31/2021] [Indexed: 01/19/2023] Open
Abstract
Background Long noncoding RNAs (lncRNAs) have been elucidated to participate in the development and progression of various cancers. In this study, we aimed to explore the underlying functions and mechanisms of LINC00958 in colorectal cancer. Methods LINC00958 expression in colorectal cancer tissues was examined by qRT-PCR. The correlations between LINC00958 expression and clinical characteristics and prognosis were evaluated. The biological functions of LINC00958 were detected by CCK-8, MTT, colony formation and flow cytometric analyses. RNA pulldown, RIP and luciferase reporter assays were used to confirm the regulatory effects of LINC00958 on miR-422a. Rescue experiments were performed to detect the effects of miR-422a on the roles of LINC00958. Results LINC00958 was upregulated in colorectal cancer tissues and cell lines. High LINC00958 levels were positively associated with T stage and predicted poor prognosis. Cell experiments showed that LINC00958 promoted cell proliferation and suppressed apoptosis and sensitivity to radiotherapy in vitro and promoted tumor growth in vivo. Bioinformatics analysis predicted the binding site of miR-422a on LINC00958. Mechanistically, RNA pulldown, RIP and luciferase reporter assays demonstrated that LINC00958 specifically targeted miR-422a. In addition, we found that miR-422a suppressed MAPK1 expression by directly binding to the 3’-UTR of MAPK1, thereby inhibiting cell proliferation and enhancing cell apoptosis and radiosensitivity. Furthermore, miR-422a rescued the roles of LINC00958 in promoting MAPK1 expression and cell proliferation and decreasing cell apoptosis and radiosensitivity. Conclusions LINC00958 promoted MAPK1 expression and cell proliferation and suppressed cell apoptosis and radiosensitivity by targeting miR-422a, which suggests that it is a potential biomarker for the prognosis and treatment of colorectal cancer.
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Lamsisi M, Wakrim L, Bouziyane A, Benhessou M, Oudghiri M, Laraqui A, Elkarroumi M, Ennachit M, El Mzibri M, Ennaji MM. The Biological Significance of Long noncoding RNAs Dysregulation and their Mechanism of Regulating Signaling Pathways in Cervical Cancer. INTERNATIONAL JOURNAL OF MOLECULAR AND CELLULAR MEDICINE 2021; 10:75-101. [PMID: 34703793 PMCID: PMC8496250 DOI: 10.22088/ijmcm.bums.10.2.75] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 08/01/2021] [Indexed: 12/19/2022]
Abstract
Despite the remarkable decrease in cervical cancer incidence due to the availability of the HPV vaccine and implementation of screening programs for early detection in developed countries, this cancer remains a major health problem globally, especially in developing countries where most of the cases and mortality occur. Therefore, more understanding of molecular mechanisms of cervical cancer development might lead to the discovery of more effective diagnosis and treatment options. Research on long noncoding RNAs (lncRNAs) demonstrates the important roles of these molecules in many physiological processes and diseases, especially cancer. In the present review, we discussed the significance of lncRNAs altered expression in cervical cancer, highlighting their roles in regulating highly conserved signaling pathways, such as mitogen-activated protein kinase (MAPK), Wnt/β-catenin, Notch, and phosphatidylinositol 3-kinase/protein kinase B (PI3K/AKT) pathways and their association with the progression of cervical cancer in order to bring more insight and understanding of this disease and their potential implications in cancer diagnosis and therapy.
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Affiliation(s)
- Maryame Lamsisi
- Team of Virology, Oncology and Medical Biotechnologies, Laboratory of Virology, Microbiology, Quality, and Biotechnologies/ ETB. Faculty of Science and Techniques Mohammedia, Hassan II University of Casablanca, Morocco.
| | - Lahcen Wakrim
- Laboratory of Virology, Pasteur Institute of Morocco. Casablanca, Morocco.
| | - Amal Bouziyane
- Team of Virology, Oncology and Medical Biotechnologies, Laboratory of Virology, Microbiology, Quality, and Biotechnologies/ ETB. Faculty of Science and Techniques Mohammedia, Hassan II University of Casablanca, Morocco.
- University Mohammed VI of Health Science, Casablanca, Morocco.
| | - Mustapha Benhessou
- Team of Virology, Oncology and Medical Biotechnologies, Laboratory of Virology, Microbiology, Quality, and Biotechnologies/ ETB. Faculty of Science and Techniques Mohammedia, Hassan II University of Casablanca, Morocco.
- School of Medicine and Pharmacy, University Hassan II of Casablanca, Morocco.
| | - Mounia Oudghiri
- Immunology and Biodiversity laboratory, Faculty of Sciences Ain chock, Hassan II University of Casablanca, Morocco.
| | - Abdelilah Laraqui
- Research and Biosafety Laboratory, Mohammed V Military Hospital, University Mohammed V of Rabat, Morocco.
| | - Mohamed Elkarroumi
- School of Medicine and Pharmacy, University Hassan II of Casablanca, Morocco.
| | - Mohammed Ennachit
- School of Medicine and Pharmacy, University Hassan II of Casablanca, Morocco.
| | | | - Moulay Mustapha Ennaji
- Corresponding author: Faculty of Science and Techniques Mohammedia, University Hassan II of Casablanca, Morocco. E-mail:
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Sun Z, Hu J, Hu K, Tang M, Sun S, Fang Y, Yu H, Zhang Y. [Role of long noncoding RNA SNHG3 in regulating proliferation, migration and invasion of cervical cancer SiHa cells]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:931-936. [PMID: 34238747 DOI: 10.12122/j.issn.1673-4254.2021.06.17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To investigate the regulatory role of the long non-coding RNA (lncRNA) small nucleolar host gene 3 (SNHG3) in proliferation, migration and invasion of human cervical cancer cell line SiHa. OBJECTIVE Array data were retrieved from GEO database to analyze the expression levels of SNHG3 in cervical cancer and adjacent normal tissues. SiHa cells were transfected with a small interfering RNA (siRNA) targeting SNHG3, and the changes in the transcriptional levels of lncRNA SNHG3 and the epithelial-mesenchymal transition (EMT) markers N-cadherin, Snail, vimentin and E-cadherin were detected using real-time quantitative PCR; the protein expressions of N-cadherin, Snail, vimentin and E-cadherin were determined using Western blotting. Cell counting kit-8 (CCK8) assay was utilized to assess the proliferation capacity of the transfected cells. Wound healing assay and Transwell assay were performed to evaluate the transversal and longitudinal migration and invasion abilities of the cells. OBJECTIVE SNHG3 was over-expressed in cervical cancer tissues and SiHa cells. In SiHa cells, knocking down SNHG3 significantly inhibited the proliferation (P < 0.001), migration (P < 0.01) and invasion abilities (P < 0.001) of the cells, down-regulated the expression levels of N-cadherin, Snail and vimentin (P < 0.001) and up-regulated the expression of E-cadherin (P < 0.001). OBJECTIVE SNHG3 may promote the proliferation, migration and invasion of SiHa cells by activating the EMT signaling pathway.
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Affiliation(s)
- Z Sun
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - J Hu
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - K Hu
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - M Tang
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - S Sun
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Y Fang
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - H Yu
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Y Zhang
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
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Wang C, Ding T, Yang D, Zhang P, Hu X, Qin W, Zheng J. The lncRNA OGFRP1/miR-149-5p/IL-6 axis regulates prostate cancer chemoresistance. Pathol Res Pract 2021; 224:153535. [PMID: 34293716 DOI: 10.1016/j.prp.2021.153535] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/19/2021] [Accepted: 06/20/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND The long non-coding RNA (lncRNA) OGFRP1 has been found to promote malignancy in prostate cancer (PC) and other cancer types. How this lncRNA functions in the regulation of PC chemoresistance, however, is poorly defined. METHODS qRT-PCR was employed to measure OGFRP1, miR-149-5p, and IL-6 expression in PC tissues and cells. IC50 values for paclitaxel and docetaxel in PC cells were assessed via a CCK-8 assay approach. Putative miR-149-5p binding targets were identified and validated through bioinformatics assays and luciferase reporter assays, respectively. The impact of OGFRP1 on PC chemoresistance in vivo was validated using a xenograft model system. RESULTS Docetaxel-resistant PC (PC/DR) cells and tissues exhibited reduced OGFRP1 expression and increased miR-149-5p expression. Knocking down OGFRP1 augmented the sensitivity of these PC cells to docetaxel and paclitaxel in vitro and in vivo. Mechanistically, OGFRP1 was found to bind and sequester miR-149-5p within PC/DR cells, thereby indirectly regulating IL-6 expression. Consistent with this model, the overexpression of IL-6 reversed the OGFRP1 knockdown-mediated reductions in docetaxel and paclitaxel IC50 values for these PC cells. CONCLUSIONS OGFRP1 can sequester miR-149-5p, thereby indirectly promoting IL-6 upregulation and thereby promoting chemoresistance in PC cells. This OGFRP1/miR-149-5p/IL-6 axis may thus be a promising target for therapeutic efforts aimed at PC chemosensitization and treatment.
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Affiliation(s)
- Chen Wang
- MRI Department, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, China
| | - Tao Ding
- Department of Urology, Shanghai Sixth People's Hospital South Campus Affiliated to Shanghai Jiao Tong University, Shanghai 201499, China
| | - Deping Yang
- Department of Laboratory Medicine, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
| | - Ping Zhang
- Department of Laboratory Medicine, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
| | - Xiongmin Hu
- Shanghai Runda Rongjia Biotechnology Co., Ltd, Shanghai 200439, China
| | - Wei Qin
- Shanghai Runda Rongjia Biotechnology Co., Ltd, Shanghai 200439, China; Bio-X Institutes, Shanghai Jiao Tong University, Shanghai 200030, China.
| | - Jianghua Zheng
- Department of Laboratory Medicine, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China.
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Competing Endogenous RNAs in Cervical Carcinogenesis: A New Layer of Complexity. Processes (Basel) 2021. [DOI: 10.3390/pr9060991] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
MicroRNAs (miRNAs) regulate gene expression by binding to complementary sequences within target mRNAs. Apart from working ‘solo’, miRNAs may interact in important molecular networks such as competing endogenous RNA (ceRNA) axes. By competing for a limited pool of miRNAs, transcripts such as long noncoding RNAs (lncRNAs) and mRNAs can regulate each other, fine-tuning gene expression. Several ceRNA networks led by different lncRNAs—described here as lncRNA-mediated ceRNAs—seem to play essential roles in cervical cancer (CC). By conducting an extensive search, we summarized networks involved in CC, highlighting the major impacts of such dynamic molecular changes over multiple cellular processes. Through the sponging of distinct miRNAs, some lncRNAs as HOTAIR, MALAT1, NEAT1, OIP5-AS1, and XIST trigger crucial molecular changes, ultimately increasing cell proliferation, migration, invasion, and inhibiting apoptosis. Likewise, several lncRNAs seem to be a sponge for important tumor-suppressive miRNAs (as miR-140-5p, miR-143-3p, miR-148a-3p, and miR-206), impairing such molecules from exerting a negative post-transcriptional regulation over target mRNAs. Curiously, some of the involved mRNAs code for important proteins such as PTEN, ROCK1, and MAPK1, known to modulate cell growth, proliferation, apoptosis, and adhesion in CC. Overall, we highlight important lncRNA-mediated functional interactions occurring in cervical cells and their closely related impact on cervical carcinogenesis.
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Tao H, Li J, Liu J, Yuan T, Zhang E, Liang H, Huang Z. Construction of a ceRNA Network and a Prognostic lncRNA Signature associated with Vascular Invasion in Hepatocellular Carcinoma based on Weighted Gene Co-Expression Network Analysis. J Cancer 2021; 12:3754-3768. [PMID: 34093785 PMCID: PMC8176257 DOI: 10.7150/jca.57260] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/21/2021] [Indexed: 12/28/2022] Open
Abstract
Background: Understanding risk factors for vascular invasion (VI) is crucial for assessing the risk of recurrence and overall prognosis of hepatocellular carcinoma (HCC). This study aimed to construct a prognostic long non-coding RNA (lncRNA) signature and a ceRNA Network associated with vascular invasion in HCC. Methods: Differentially expressed genes (DEGs) of HCC patients associated with VI were identified by analyzing data from TCGA. Weighted gene co-expression network analysis (WGCNA) was used to identify associations between gene expression modules and clinical features. A VI-related prognostic lncRNA signature was then established using univariate, LASSO and multivariate Cox proportional hazards regression analyses. Based on the hub modules identified by the WGCNA, we constructed a VI-related lncRNA-miRNA-mRNA ceRNA network and screened hub lncRNAs for further research. Finally, we conducted in vitro and in vivo experiments to determine the biological roles of the identified hub gene BBOX1-AS1. Results: The key module related to VI and OS was identified using WGCNA, after which a prognostic model consisting of eight lncRNAs was established, and verified using time-dependent receiver operating characteristic (ROC) curve analysis. BBOX1-AS1 was confirmed to be highly expressed in HCC tissues, and its expression was significantly correlated with a poor prognosis. Silencing BBOX1-AS1 in vitro significantly suppressed the proliferation, migration and invasion of HCC cells. In vivo experiments demonstrated that knocking down of BBOX1-AS1 could result in significant decrease of tumor volume and tumor weight. Conclusions: The VI-related lncRNA signature established in this study can be used to predict the clinical outcomes of HCC patients. In addition, we constructed a VI-related lncRNA-miRNA-mRNA ceRNA network and demonstrated that BBOX1-AS1 might be a novel biomarker associated with VI in HCC.
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Affiliation(s)
- Haisu Tao
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Jiang Li
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Junjie Liu
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Tong Yuan
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Erlei Zhang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Huifang Liang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Zhiyong Huang
- Hepatic Surgery Center, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
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Shi J, Yang C, An J, Hao D, Liu C, Liu J, Sun J, Jiang J. KLF5-induced BBOX1-AS1 contributes to cell malignant phenotypes in non-small cell lung cancer via sponging miR-27a-5p to up-regulate MELK and activate FAK signaling pathway. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:148. [PMID: 33931086 PMCID: PMC8086369 DOI: 10.1186/s13046-021-01943-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/11/2021] [Indexed: 02/06/2023]
Abstract
Background Non-small cell lung cancer (NSCLC) is a major histological subtype of lung cancer with high mortality and morbidity. A substantial amount of evidence demonstrates long non-coding RNAs (lncRNA) as critical regulators in tumorigeneis and malignant progression of human cancers. The oncogenic role of BBOX1 anti-sense RNA 1 (BBOX1-AS1) has been reported in several tumors. As yet, the potential functions and mechanisms of BBOX1-AS1 in NSCLC are obscure. Methods The gene and protein expression was detected by qRT-PCR and western blot. Cell function was determined by CCK-8, colony forming, would healing and transwell assays. Bioinformatics tools, ChIP assays, dual luciferase reporters system and RNA pull-down experiments were used to examine the interaction between molecules. Subcutaneous tumor models in nude mice were established to investigate in vivo NSCLC cell behavior. Results BBOX1-AS1 was highly expressed in NSCLC tissues and cells. High BBOX1-AS1 expression was associated with worse clinical parameters and poor prognosis. BBOX1-AS1 up-regulation was induced by transcription factor KLF5. BBOX1-AS1 deficiency resulted in an inhibition of cell proliferation, migration, invasion and EMT in vitro. Also, knockdown of BBOX1-AS1 suppressed NSCLC xenograft tumor growth in mice in vivo. Mechanistically, BBOX1-AS1 acted act as a competetive “sponge” of miR-27a-5p to promote maternal embryonic leucine zipper kinase (MELK) expression and activate FAK signaling. miR-27a-5p was confirmed as a tumor suppressor in NSCLC. Moreover, BBOX1-AS1-induced increase of cell proliferation, migration, invasion and EMT was greatly reversed due to the overexpression of miR-27a-5p. In addition, the suppressive effect of NSCLC progression owing to BBOX1-AS1 depletion was abated by the up-regulation of MELK. Consistently, BBOX1-AS1-mediated carcinogenicity was attenuated in NSCLC after treatment with a specific MELK inhibitor OTSSP167. Conclusions KLF5-induced BBOX1-AS1 exerts tumor-promotive roles in NSCLC via sponging miR-27a-5p to activate MELK/FAK signaling, providing the possibility of employing BBOX1-AS1 as a therapeutic target for NSCLC patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-01943-5.
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Affiliation(s)
- Jiang Shi
- Department of Geriatric Respiratory Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Chao Yang
- Department of Geriatric Respiratory Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Jinlu An
- Department of Geriatric Respiratory Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Dexun Hao
- Department of Geriatric Respiratory Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Cong Liu
- Department of Geriatric Respiratory Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Jumin Liu
- Department of Geriatric Respiratory Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Jing Sun
- Department of Neurology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Junguang Jiang
- Department of Geriatric Respiratory Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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LncRNA DLEU2 promotes cervical cancer cell proliferation by regulating cell cycle and NOTCH pathway. Exp Cell Res 2021; 402:112551. [PMID: 33675808 DOI: 10.1016/j.yexcr.2021.112551] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/24/2021] [Accepted: 02/27/2021] [Indexed: 12/28/2022]
Abstract
Long noncoding RNAs (lncRNAs) are known to play a crucial role in the onset and progression of cervical cancer (CC). Here, the results of RNA microarray and RNA-sequencing dataset analysis showed that lncRNA DLEU2 was significantly upregulated in CC tissues. Clinicopathologic analysis indicated that lncRNA DLEU2 was closely related to tumor topography. Functional experiments and bioinformatics analysis revealed that lncRNA DLEU2 promoted CC cell proliferation and accelerated the cell cycle. Mechanistically, lncRNA DLEU2 promoted the progression of the cell cycle and inhibited the activity of the Notch signaling pathway by inhibiting p53 expression. Additionally, lncRNA DLEU2 probably interacted with ZFP36 Ring Finger Protein (ZFP36) to inhibit the expression of p53. In conclusion, this study revealed the function of lncRNA DLEU2 in CC tumorigenesis, suggesting new therapeutic targets in CC.
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Li J, Yang P, Chen F, Tan Y, Huang C, Shen H, Peng C, Feng Y, Sun Y. Hypoxic colorectal cancer-derived extracellular vesicles deliver microRNA-361-3p to facilitate cell proliferation by targeting TRAF3 via the noncanonical NF-κB pathways. Clin Transl Med 2021; 11:e349. [PMID: 33784010 PMCID: PMC7967919 DOI: 10.1002/ctm2.349] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 02/18/2021] [Accepted: 02/22/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Hypoxic tumour microenvironment (TME) is a key regulator in cancer progression. However, the communications between hypoxic cells and other components in TME during colorectal cancer (CRC) progression via extracellular vesicles (EVs) remain unclear. METHODS High-throughput sequencing was employed to detect aberrantly expressed microRNAs (miRNAs) in hypoxic EVs. Quantitative real-time PCR was used to confirm and screen preliminarily candidate miRNAs. The effects of EVs derived from hypoxia (<1% O2 ) and miR-361-3p on CRC growth were assessed using CCK-8 assays, colony formation assays, EdU assays, flow cytometric assays and mouse xenograft. Then, the specific mechanisms of miR-361-3p were investigated by RNA immunoprecipitation, luciferase reporter assay, Western blot, chromatin immunoprecipitation, immunohistochemistry and rescue experiments. RESULTS The level of miR-361-3p expression was remarkably elevated in hypoxic EVs and can be transferred to CRC cells. Functional experiments exhibited that hypoxic EVs facilitated cell growth and suppressed cell apoptosis by transferring miR-361-3p of CRC. Hypoxia-inducible factor-1α induced the elevation of miR-361-3p levels in hypoxic EVs. Upregulated miR-361-3p in CRC inhibited cell apoptosis and facilitated cell growth by directly targeting TNF receptor-associated factor 3, which consequently activated the noncanonical NF-κB pathway. Moreover, the high expression of circulating exosomal miR-361-3p was correlated to worse prognosis of CRC patients. CONCLUSIONS Altogether, the abnormality of exosomal miR-361-3p derived from hypoxia acts vital roles in the regulation of CRC growth and apoptosis and can be an emerging prognostic biomarker and a therapeutic target for CRC patients.
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Affiliation(s)
- Jie Li
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Peng Yang
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Fangyu Chen
- Department of Radiation OncologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yuqian Tan
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Changzhi Huang
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Hengyang Shen
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Chaofan Peng
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yifei Feng
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yueming Sun
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
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Cui X, Zhang H, Chen T, Yu W, Shen K. Long Noncoding RNA SNHG22 Induces Cell Migration, Invasion, and Angiogenesis of Gastric Cancer Cells via microRNA-361-3p/HMGA1/Wnt/β-Catenin Axis. Cancer Manag Res 2020; 12:12867-12883. [PMID: 33364835 PMCID: PMC7751299 DOI: 10.2147/cmar.s281578] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/19/2020] [Indexed: 12/13/2022] Open
Abstract
Background The correlation between long non-coding RNAs (lncRNAs) and gastric cancer (GC) has been indicated. As a newly found lncRNA, small nucleolar RNA host gene 22 (SNHG22) functions as an oncogene in ovarian carcinoma and breast cancer. However, its action has not been explored in GC. Herein, the purpose of the current research was to examine the influence of SNHG22 on GC development. Methods RT-qPCR was used to identify SNHG22 and microRNA-361-3p (miR-361-3p) in GC tissues and cells. Functional assays were implemented to measure changes on biological activities of GC cells under different transfections. Besides, after human umbilical vein endothelial cells (HUVECs) were co-cultured with supernatant of transfected GC cells, angiogenesis was assessed by tube formation assay in vitro. HMGA1 and β-catenin expression were determined. Finally, mechanistic assays, including RNA pull-down assay and dual-luciferase reporter assay, were employed to assess relationships among SNHG22, miR-361-3p, and HMGA1. Results SNHG22 and HMGA1 were highly expressed but miR-361-3p was poorly expressed in GC tissues. Mechanistically, SNHG22 bound to miR-361-3p, and miR-361-3p targeted HMGA1 to disrupt the Wnt/β-catenin pathway. Following SNHG22 or HMGA1 silencing or miR-361-3p upregulation, we observed a decline of proliferation, migration, and invasion of GC cells and HUVEC angiogenesis but acceleration of GC cell apoptosis and cell cycle arrest. Conclusion Collectively, SNHG22 silencing possessed tumor-suppressing potentials in GC development via Wnt/β-catenin pathway by binding to miR-361-3p and downregulating HMGA1, highlighting a new promising road for GC treatment development.
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Affiliation(s)
- Xiaofeng Cui
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, People's Republic of China
| | - Huaiyu Zhang
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, People's Republic of China
| | - Tong Chen
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, People's Republic of China
| | - Wei Yu
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, People's Republic of China
| | - Kexin Shen
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, People's Republic of China
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Tian S, Tang M, Li J, Wang C, Liu W. Identification of long non-coding RNA signatures for squamous cell carcinomas and adenocarcinomas. Aging (Albany NY) 2020; 13:2459-2479. [PMID: 33318305 PMCID: PMC7880362 DOI: 10.18632/aging.202278] [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: 05/15/2020] [Accepted: 11/08/2020] [Indexed: 11/25/2022]
Abstract
Studies have demonstrated that both squamous cell carcinomas (SCCs) and adenocarcinomas (ACs) possess some common molecular characteristics. Evidence has accumulated to support the theory that long non-coding RNAs (lncRNAs) serve as novel biomarkers and therapeutic targets in complex diseases such as cancer. In this study, we aimed to identify pan lncRNA signatures that are common to squamous cell carcinomas or adenocarcinomas with different tissues of origin. With the aid of elastic-net regularized regression models, a 35-lncRNA pan discriminative signature and an 11-lncRNA pan prognostic signature were identified for squamous cell carcinomas, whereas a 6-lncRNA pan discriminative signature and a 5-lncRNA pan prognostic signature were identified for adenocarcinomas. Among them, many well-known cancer relevant genes such as MALAT1 and PVT1 were included. The identified pan lncRNA lists can help experimental biologists generate research hypotheses and adopt existing treatments for less prevalent cancers. Therefore, these signatures warrant further investigation.
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Affiliation(s)
- Suyan Tian
- Division of Clinical Research, First Hospital of Jilin University, Changchun 130021, Jilin, P.R. China
| | - Mingbo Tang
- Department of Thoracic Surgery, First Hospital of Jilin University, Changchun 130021, Jilin, China
| | - Jialin Li
- Department of Thoracic Surgery, First Hospital of Jilin University, Changchun 130021, Jilin, China
| | - Chi Wang
- Department of Internal Medicine, College of Medicine, University of Kentucky, Lexington, KY 40536, USA.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Wei Liu
- Department of Thoracic Surgery, First Hospital of Jilin University, Changchun 130021, Jilin, China
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