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Lei J, Xu JY, Hu M, Wu SG, Zhou J. MOB kinase activator 1A acts as an oncogene by targeting PI3K/AKT/mTOR in ovarian cancer. Discov Oncol 2023; 14:100. [PMID: 37314589 DOI: 10.1007/s12672-023-00705-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/29/2023] [Indexed: 06/15/2023] Open
Abstract
BACKGROUND To illuminate the precise roles of MOB Kinase Activator 1 A (MOB1A) in the development of ovarian cancer (OC). METHODS MOB1A expression and clinical data of OC were obtained from the public database on gene expression and proteomics. Meanwhile, verification of expression was carried out in Gene Expression Omnibus, the Human Protein Atlas, and OC cell lines. The prognosis of MOB1A was explored in the Kaplan-Meier plotter. RNA interference and lentivirus vectors were applied to construct knockdown and overexpressed cell models. Changes in the malignant behaviors of OC cells were detected by cholecystokinin octopeptide cell counting kit, wound healing, colony formation assay, transwell, flow cytometry assays, and in vivo experiments. Changes in proteins in the PI3K and autophagy-related makers were detected by western blot analysis. RESULTS The expression of MOB1A was significantly upregulated and accompanied by an inferior survival rate in OC. Knockdown of MOB1A inhibited the proliferation, invasion, migration, and cell cycle of OC cells, whereas induced cell autophagy. MOB1A upregulation had the opposite effects. In addition, bioinformatics analysis and western blot experiments showed that MOB1A plays an important role in the PI3K/AKT/mTOR pathway. CONCLUSIONS Our findings indicated that MOB1A is highly expressed and related to poor prognosis in OC. MOB1A plays a role in promoting the malignant biological behavior of tumor cells through PI3K/AKT/mTOR signaling pathway.
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Affiliation(s)
- Jian Lei
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, China
- Department of Obstetrics and Gynecology, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Jing-Ying Xu
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, China
| | - Min Hu
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, China
| | - San-Gang Wu
- Department of Radiation Oncology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, China.
| | - Juan Zhou
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, China.
- Department of Radiation Oncology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, China.
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Li X, Wang X, Wu J. miR‑4732‑5p promotes ovarian cancer mobility by targeting MCUR1. Oncol Lett 2023; 25:245. [PMID: 37153048 PMCID: PMC10161344 DOI: 10.3892/ol.2023.13831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 03/07/2023] [Indexed: 05/09/2023] Open
Abstract
MicroRNAs (miRNAs/miRs) play critical roles in tumor progression. However, the role of miR-4732 and its underlying molecular mechanism in ovarian cancer (OC) remain unclear. In the present study, the high expression of miR-4732 was confirmed to be associated with the mortality of patients with OC following surgery, according to The Cancer Genome Atlas Ovarian Cancer database (TCGA-OV). Additionally, the expression of miR-4732 was positively associated with an increased tendency to exhibit an early TNM stage (IIA, IIB and IIC) of OC, indicating its promotional role in the early stages of tumorigenesis. By performing in vitro gain-of-function experiments, the transient transfection of IGROV1 cells with miR-4732-5p mimics enhanced cell viability according to Cell Counting Kit-8 assay, and cell migration and invasion in Transwell assays. However, though the application of loss-of-function experiments, the transient transfection of IGROV1 cells with miR-4732-5p inhibitors hindered cell viability, cell migration and invasion in vitro. Mitochondrial calcium uniporter regulator 1 (MCUR1) was validated as a downstream direct target of miR-4732-5p through bioinformatics analysis, western blotting and luciferase assays. Therefore, the results of the present study provide evidence that miR-4732-5p may promote OC cell mobility through the direct targeting of the tumor suppressor, MCUR1.
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Affiliation(s)
- Xin Li
- Department of Gynecology No. 5, Ningbo Women and Children's Hospital, Ningbo, Zhejiang 315012, P.R. China
- Correspondence to: Dr Xin Li, Department of Gynecology No. 5, Ningbo Women and Children's Hospital, 339 Liuting Street, Ningbo, Zhejiang 315012, P.R. China, E-mail:
| | - Xiaoqin Wang
- Department of Gynecology No. 5, Ningbo Women and Children's Hospital, Ningbo, Zhejiang 315012, P.R. China
| | - Jun Wu
- Department of Gynecology No. 5, Ningbo Women and Children's Hospital, Ningbo, Zhejiang 315012, P.R. China
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Liu Z, Zhang J, Shen D, Hu X, Ke Z, Ehrich Lister IN, Sihombing B. Prognostic significance of CKAP2L expression in patients with clear cell renal cell carcinoma. Front Genet 2023; 13:873884. [PMID: 36699449 PMCID: PMC9870291 DOI: 10.3389/fgene.2022.873884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 12/09/2022] [Indexed: 01/11/2023] Open
Abstract
Background: Cytoskeleton-associated protein 2-like protein (CKAP2L) is thought to promote the progression of glioma, breast cancer, and ovarian cancer. However, the role of cytoskeleton-associated protein 2-like protein in clear cell renal cell carcinoma (ccRCC) is still unclear. The study aimed to investigate the roles and mechanisms of cytoskeleton-associated protein 2-like protein in clear cell renal cell carcinoma. Methods: The level of cytoskeleton-associated protein 2-like protein in tumors was explored by using UALCAN and Oncomine databases. Gene expression datasets of clear cell renal cell carcinoma from The Cancer Genome Atlas and Gene Expression Omnibus (GEO) were also used to validate the cytoskeleton-associated protein 2-like protein level in clear cell renal cell carcinoma. Survival analysis was performed to investigate the relationship between cytoskeleton-associated protein 2-like protein level and prognosis of clear cell renal cell carcinoma patients. Cox regression analysis was used for identifying the independent prognostic factors. Gene set enrichment analysis (GSEA), gene set variation analysis (GSVA), protein-protein interaction analysis, co-expression analysis, and immune infiltration analysis were used to explore the potential mechanisms of cytoskeleton-associated protein 2-like protein in clear cell renal cell carcinoma. Moreover, the levels of cytoskeleton-associated protein 2-like protein in clinical clear cell renal cell carcinoma tissues were also measured using RT-PCR, immunohistochemical analysis, and Western blotting. M1 macrophages and CD4+ T cells were also detected by immunohistochemistry between tumor and normal tissues. Results: The level of cytoskeleton-associated protein 2-like protein was upregulated in clear cell renal cell carcinoma according to multiple databases and experimental verification. Upregulated cytoskeleton-associated protein 2-like protein is an independent prognostic factor, which might activate the JAK-STAT signaling pathway, the P53 signaling pathway, the TGF-β signaling pathway, the WNT signaling pathway, etc., in clear cell renal cell carcinoma. Protein-protein interaction analysis and co-expression analysis suggest that cytoskeleton-associated protein 2-like protein might interact with some proliferation proteins. Immune infiltration analysis indicates that cytoskeleton-associated protein 2-like protein may affect the level of activated CD4+ memory T cells, M1 macrophages, CD8+ T cells, and neutrophils in clear cell renal cell carcinoma. More M1 macrophage infiltrations in tumor tissues with higher cytoskeleton-associated protein 2-like protein were validated by clear cell renal cell carcinoma tumor tissues. Conclusion: Cytoskeleton-associated protein 2-like protein is upregulated in clear cell renal cell carcinoma tissues, which may promote progression of the disease. Cytoskeleton-associated protein 2-like protein is a potential target for prognostic markers and a potential treatment target in clear cell renal cell carcinoma.
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Affiliation(s)
- Zhi Liu
- Department of Urology Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Jun Zhang
- Department of Urinary Surgery, The 901st Hospital of the Joint Logistics Support Force of PLA, Hefei, Anhui, China
| | - Deyun Shen
- Department of Urology Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Xuechun Hu
- Department of Urology Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Zongpan Ke
- Department of Urology Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - I Nyoman Ehrich Lister
- Universitas Prima Indonesia (UNPRI), Medan, North Sumatra, Indonesia,*Correspondence: Bungaran Sihombing, ; I Nyoman Ehrich Lister,
| | - Bungaran Sihombing
- Universitas Prima Indonesia (UNPRI), Medan, North Sumatra, Indonesia,*Correspondence: Bungaran Sihombing, ; I Nyoman Ehrich Lister,
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Lin H, Long F, Zhang X, Wang P, Wang T. Upregulation of circ_0008812 and circ_0001583 predicts poor prognosis and promotes breast cancer proliferation. Front Mol Biosci 2022; 9:1017036. [PMID: 36200070 PMCID: PMC9527282 DOI: 10.3389/fmolb.2022.1017036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Accumulating evidence suggests that circular RNAs (circRNAs) are highly correlated with tumor progression and pathogenesis in breast cancer. Whereas, their regulatory roles and corresponding mechanisms in breast cancer are still not exhaustive. Thus, we intended to establish circRNA-mediated competive endogenous RNA (ceRNA) network to uncover the possible roles and clinical implications of circRNAs in breast cancer. Methods: Microarray and RNA-sequencing (RNA-seq) data were download from GEO and TCGA database to screen for differentially expressed RNAs (DEcircRNAs, DEmiRNAs, DEmRNAs) in breast cancer. By implementing online databases, we established ceRNA networks, performed gene set enrichment analysis, constructed protein-protein interaction (PPI) networks, and assessed the expression levels and prognostic significance of hub genes. Subsequently, we explored the functions of prognosis-related genes and constructed gene-drug interaction networks. Finally, the functional roles of DEcircRNAs in breast cancer were revealed via MTT and colony formation assay. Results: Based on the identified 8 DEcircRNAs, 25 miRNAs and 216 mRNAs, a ceRNA regulatory network was established. Further analysis revealed that prominent enrichments were transcription factor binding, transforming growth factor-beta (TGF-β) and Apelin signaling pathway etc. PPI network and survival curves analysis showed that elevated levels of hub genes (RACGAP1 and KPNA2) were associated with poorer prognosis. They were found to be positively relevant to cell cycle and proliferation. Then a prognostic sub-network of ceRNA was constructed, consisting of 2 circRNAs, 4 miRNAs and 2 mRNAs. The gene-drug interaction network showed that numerous drugs could regulate the expression of these two prognosis-related genes. Functional experiments showed that depletion of circ_0008812 and circ_0001583 could significantly inhibit the proliferation of MCF-7 cells. Conclusion: Our study constructed 4 prognostic regulatory axes that are significantly correlated with tumor prognosis in breast cancer patients, and uncover the roles of circ_0008812 and circ_0001583 in breast cancer, providing a new perspective into the molecular mechanisms of breast cancer pathogenesis.
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Affiliation(s)
- Hong Lin
- Department of Clinical Research, Sichuan Cancer Hospital and Institution, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Fangyi Long
- Laboratory Medicine Center, Sichuan Provincial Maternity and Child Health Care Hospital, Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, China
| | - Xiqian Zhang
- Department of Pharmacy, The Third People's Hospital of Chengdu & College of Medicine, Southwest Jiaotong University, Chengdu, China
| | - Pinghan Wang
- Laboratory Medicine Center, Sichuan Provincial Maternity and Child Health Care Hospital, Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, China
| | - Ting Wang
- Department of Clinical Research, Sichuan Cancer Hospital and Institution, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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dos Santos A, Ouellete G, Diorio C, Elowe S, Durocher F. Knockdown of CKAP2 Inhibits Proliferation, Migration, and Aggregate Formation in Aggressive Breast Cancer. Cancers (Basel) 2022; 14:cancers14153759. [PMID: 35954424 PMCID: PMC9367390 DOI: 10.3390/cancers14153759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 11/26/2022] Open
Abstract
Simple Summary Cancer is a complex disease where cells grow and divide in an uncontrolled manner. It is well established that its development and progression involve major alterations in the activity of mitotic regulators. In order to improve our understanding of the contribution of cell-cycle progression defects to the development of disease, the aim of this study is to identify genes relevant to the proper progression of mitosis that are deregulated in breast cancer. Our findings identified CKAP2 as an important mitotic regulator in BC tumors. Moreover, in vitro experiments showed that gene silencing of CKAP2 blocked cell growth, cell migration, and formation of cell aggregates. These results demonstrated the important role of CKAP2 in breast cancer tumor formation. Abstract Loss of mitotic regulation is commonly observed in cancer and is a major cause of whole-chromosome aneuploidy. The identification of genes that play a role in the proper progression of mitosis can help us to understand the development and evolution of this disease. Here, we generated a list of proteins implicated in mitosis that we used to probe a patient-derived breast cancer (BC) continuum gene-expression dataset generated by our group by human transcriptome analysis of breast lesions of varying aggressiveness (from normal to invasive). We identified cytoskeleton-associated protein 2 (CKAP2) as an important mitotic regulator in invasive BC. The results showed that CKAP2 is overexpressed in invasive BC tumors when compared with normal tissues, and highly expressed in all BC subtypes. Higher expression of CKAP2 is also related to a worse prognosis in overall survival and relapse-free survival in estrogen receptor (ER)-positive and human epidermal growth factor receptor type 2 (HER2)-negative BC patients. Knockdown of CKAP2 in SKBR3 cells impaired cell proliferation and cell migration and reduced aggregate formation in a 3D culture. Our results show the important role of CKAP2 in BC tumorigenesis, and its potential utility as a prognostic marker in BC.
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Affiliation(s)
- Alexsandro dos Santos
- Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada; (A.d.S.); (G.O.)
- Centre de Recherche sur le Cancer, CHU de Québec-Université Laval, Québec City, QC G1V 4G2, Canada;
- PROTEO-Regroupement Québécois de Recherche sur la Fonction, L’ingénierie et les Applications des Protéines, Québec City, QC G1V 0A6, Canada
| | - Geneviève Ouellete
- Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada; (A.d.S.); (G.O.)
- Centre de Recherche sur le Cancer, CHU de Québec-Université Laval, Québec City, QC G1V 4G2, Canada;
| | - Caroline Diorio
- Centre de Recherche sur le Cancer, CHU de Québec-Université Laval, Québec City, QC G1V 4G2, Canada;
- Département de Médecine Sociale et Préventive, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada
| | - Sabine Elowe
- Centre de Recherche sur le Cancer, CHU de Québec-Université Laval, Québec City, QC G1V 4G2, Canada;
- PROTEO-Regroupement Québécois de Recherche sur la Fonction, L’ingénierie et les Applications des Protéines, Québec City, QC G1V 0A6, Canada
- Département de Pédiatrie, Faculté de Médecine, Université Laval et le Centre de recherche sur le Cancer de l’Université Laval, Québec City, QC G1R 2J6, Canada
- Correspondence: (S.E.); (F.D.)
| | - Francine Durocher
- Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada; (A.d.S.); (G.O.)
- Centre de Recherche sur le Cancer, CHU de Québec-Université Laval, Québec City, QC G1V 4G2, Canada;
- Correspondence: (S.E.); (F.D.)
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Zhang S, Li N, Yang Y, Li Y, Lin C, Fu G, Cai J. CKAP2 overexpression correlates with worse overall survival in patients with lung adenocarcinoma. Medicine (Baltimore) 2022; 101:e29796. [PMID: 35905213 PMCID: PMC9333529 DOI: 10.1097/md.0000000000029796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Adenocarcinoma is a non-small-cell lung cancer that is common cancer in both genders, and has poor clinical outcomes. We aimed to evaluate the role of cytoskeleton-associated protein 2 (CKAP2), its prognostic significance, and the relationship between CKAP2 expression and lung adenocarcinoma driver genes. METHODS The expression of CKAP2 was studied by immunohistochemical staining of specimens from 88 patients with lung adenocarcinoma. The correlation between clinicopathological features and CKAP2 expression was analyzed. Kaplan-Meier analysis and Cox proportional hazard models were used to examine the prognostic value of CKAP2 in terms of overall survival (OS). The correlation between epidermal growth factor receptor (EGFR) mutation, anaplastic lymphoma kinase (ALK) rearrangement, and CKAP2 expression was analyzed. All histological samples were detected by fluorescence in situ hybridization for EGFR mutations and ALK rearrangements. RESULTS Eighty-eight patients with positive CKAP2 expression were observed in this study. Patients with high levels of CKAP2 expression were associated with OS (P = .021). Multivariate Cox regression analysis disclosed that positive CKAP2 expression (P = .043) could independently predict unfavorable OS. In addition, CKAP2 expression was not associated with EGFR mutation (P = .219) and ALK rearrangement (P = .389) in lung adenocarcinoma patients. CONCLUSION High expression of CKAP2 may serve as a marker of poor prognosis in lung adenocarcinoma.
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Affiliation(s)
- Sen Zhang
- Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, China
| | - Na Li
- Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, China
| | - Yonghua Yang
- Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, China
| | - Yan Li
- Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, China
| | - Chenshi Lin
- Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, China
| | - Guoquan Fu
- Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, China
| | - Jun Cai
- Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, China
- *Correspondence: Jun Cai, Department of Oncology, First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, China (e-mail: )
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Ma HN, Chen HJ, Liu JQ, Li WT. Long non-coding RNA DLEU1 promotes malignancy of breast cancer by acting as an indispensable coactivator for HIF-1α-induced transcription of CKAP2. Cell Death Dis 2022; 13:625. [PMID: 35853854 PMCID: PMC9296616 DOI: 10.1038/s41419-022-04880-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 02/16/2022] [Accepted: 04/22/2022] [Indexed: 11/06/2022]
Abstract
Earlier studies have suggested deleted in lymphocytic leukemia 1 (DLEU1), a long non-coding RNA, is a prognostic biomarker for breast cancer. Here we explored the malignant behaviors and underlying mechanisms regulated by DLEU1 in breast cancer. We demonstrated that up-regulation of DLEU1 was detected in breast cancer tissues and cells, particularly in tumors of higher malignancy. DLEU1 knockdown inhibited the growth and the motility of breast cancer cells. Mechanistically, DLEU1 interacted with HIF-1α to collectively activate the transcription of CKAP2. By activating ERK and STAT3 signaling, CKAP2 essentially mediated the pro-tumor activities of DLEU1. In vivo, depletion of DLEU1 inhibited xenograft growth and metastasis of breast cancer cells. Therefore, DLEU1, by acting as a coactivator for HIF-1α, up-regulates CKAP2 expression and promotes malignancy of breast cancer. Targeting DLEU1, HIF-1α, or CKAP2 may thus benefit breast cancer treatment.
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Affiliation(s)
- He Nan Ma
- grid.414011.10000 0004 1808 090XDepartment of Breast Surgery, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, 450003 Henan Province China
| | - Hai Jun Chen
- grid.414011.10000 0004 1808 090XDepartment of Breast Surgery, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, 450003 Henan Province China
| | - Ji Quan Liu
- grid.414011.10000 0004 1808 090XDepartment of Breast Surgery, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, 450003 Henan Province China
| | - Wen Tao Li
- grid.414011.10000 0004 1808 090XDepartment of Breast Surgery, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, 450003 Henan Province China
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Jin XX, Mei YN, Shen Z, Zhu JF, Xing SH, Yang HM, Liang G, Zheng XH. A chalcone-syringaldehyde hybrid inhibits triple-negative breast cancer cell proliferation and migration by inhibiting CKAP2-mediated FAK and STAT3 phosphorylation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 101:154087. [PMID: 35429924 DOI: 10.1016/j.phymed.2022.154087] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 03/15/2022] [Accepted: 03/28/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Although triple-negative breast cancer (TNBC) accounts for only 15% of breast cancer cases, it is associated with a high relapse rate and poor outcome after standard treatment. Currently, the effective drugs and treatment strategies for TNBC remain limited, and thus, developing effective treatments for TNBC is pressing. Several studies have demonstrated that both chalcone and syringaldehyde have anticancer effect, but their potential anti-TNBC bioactivity are still unknown. PURPOSE The present study aimed to synthesize a chalcone-syringaldehyde hybrid (CSH1) and explore its potential anti-TNBC effects and the underlying molecular mechanism. METHODS Cell cytotoxicity was determined by 3-(4,5-dimethythiazol)-2,5-diphenyltetrazolium bromide (MTT). The activity of cell proliferation was measured by colony formation assay and 5-ethynyl-2'-deoxyuridine (EdU) staining assay. Cell cycle distribution and cell apoptosis were determined by fluorescence-activated cell sorter (FACS). The situation of DNA damage was observed using fluorescence microscopy. The ability of cell-matrix adhesion, migration and invasion was detected using cell adhesion assay and transwell assay. Transcriptome sequencing was performed to find out the changed genes. Levels of various signaling proteins were assessed by western blotting. RESULTS CSH1 treatment triggered DNA damage and inhibited DNA replication, cell cycle arrest, and cell apoptosis via suppressing signal transducer and activator of transcription 3 (STAT3) phosphorylation. Whole genome RNA-seq analysis suggested that 4% of changed genes were correlated to DNA damage and repair, and nearly 18% of changed genes were functionally related to cell adhesion and migration. Experimental evidence indicated that CSH1 treatment significantly affected the distribution of focal adhesion kinase (FAK) and its phosphorylation, resulting in cell-matrix-adhesion reduction and migration inhibition of TNBC cells. Further mechanistic studies indicated that CSH1 inhibited TNBC cell proliferation, adhesion, and migration by inhibiting cytoskeleton-associated protein 2 (CKAP2)-mediated FAK and STAT3 phosphorylation signaling. CONCLUSION These results suggest that CKAP2-mediated FAK and STAT3 phosphorylation signaling is a valuable target for TNBC treatment, and these findings also reveal the potential of CSH1 as a prospective TNBC drug.
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Affiliation(s)
- Xiang-Xiang Jin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China
| | - Ya-Nan Mei
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China
| | - Zhe Shen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China
| | - Ju-Fan Zhu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China
| | - Sun-Hui Xing
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China
| | - Hua-Mao Yang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China
| | - Guang Liang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China.
| | - Xiao-Hui Zheng
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, People's Republic of China.
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Liu G, Xu X, Geng H, Li J, Zou S, Li X. FGA inhibits metastases and induces autophagic cell death in gastric cancer via inhibiting ITGA5 to regulate the FAK/ERK pathway. Tissue Cell 2022; 76:101767. [DOI: 10.1016/j.tice.2022.101767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/23/2022] [Accepted: 02/22/2022] [Indexed: 11/28/2022]
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10
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Feng Y, Wei G, Zhang L, Zhou H, Wang W, Guo P, Cheng C, Ji L, Cai Q, Feng Y, Tu H. LncRNA DARS-AS1 aggravates the growth and metastasis of hepatocellular carcinoma via regulating the miR-3200-5p-Cytoskeleton associated protein 2 (CKAP2) axis. Bioengineered 2021; 12:8217-8232. [PMID: 34596006 PMCID: PMC8806480 DOI: 10.1080/21655979.2021.1982272] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Accumulating signs have found that long noncoding RNAs (lncRNAs) contribute to hepatocellular carcinoma (HCC). Here, we probed the effect and mechanism of lncRNA DARS-AS1 in HCC. The profiles of DARS-AS1 and Cytoskeleton associated protein 2 (CKAP2) in 50 HCC tissues and non-tumor tissues were examined by real-time quantitative polymerase chain reaction (RT-qPCR). DARS-AS1 and CKAP2 overexpression and/or knockdown cell models were established. The proliferation, apoptosis, invasion and epithelial-mesenchymal transition (EMT) were determined. CKAP2, and focal adhesion kinase (FAK)-extracellular signal-regulated kinase (ERK) was tested by Western blot (WB). The relationship between DARS-AS1 and CKAP2 was predicted by Bioinformatics, and the dual-luciferase reporter assay was applied to verify the targeting association between miR-3200-5p and DARS-AS1 and CKAP2. DARS-AS1 was overexpressed in HCC tissues (vs. that in non-tumor tissues) and was closely correlated with the patients’ tumor stage. DARS-AS1 facilitated HCC cell proliferation and hampered apoptosis. HCC cell migration and EMT were enhanced by DARS-AS1. DARS-AS1 up-regulated CKAP2, which aggravated HCC. Further investigation illustrated that either DARS-AS1 or CKAP2 activated FAK-ERK pathway, and miR-3200-5p was competitively restrained by DARS-AS1. miR-3200-5p exerted tumor-suppressive effects in HCC and inactivated CKAP2 and FAK-ERK pathway. All in all, this study corroborates that DARS-AS1 facilitates HCC proliferation and metastasis by regulating miR-3200-5p-mediated CKAP2, which provides a potential target for HCC diagnosis and treatment. Abbreviations: CCK-8: cell counting kit-8; CKAP2: Cytoskeleton associated protein 2; cDNA:complementary DNA; DAPI: 4ʹ,6-diamidino-2-phenylindole; DARS-AS1: DARS1 antisense RNA 1; DEPC: diethyl pyrocarbonate; DMEM-F12: Dulbecco’s minimal essential medium/Ham’s-F12; EMT: epithelial-mesenchymal transition; ERK: extracellular signal-regulated kinase; FAK: focal adhesion kinase; FBS: fetal bovine serum; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; HCC: hepatocellular carcinoma; HE: hematoxylin-eosin; IHC: Immunohistochemistry; LIHC: Liver hepatocellular carcinoma; lncRNAs: long noncoding RNAs; MIAT: lncRNA myocardial infarction-related transcripts; MT: Mutant; NC: negative control; PBS: phosphate-buffered saline; PMSF: Phenylmethylsulfonyl fluoride; PVDF: polyvinylidene difluoride; RT: room temperature; RT-qPCR: real-time quantitative polymerase chain reaction; SDS-PAGE: sodium dodecyl sulfate-polyacrylamide gel electrophoresis; SPF: specific pathogen-free; TMAP: tumor-associated microtubule-associated protein; TUNEL: TdT-mediated dUTP nick end labeling; V: volume; WT: wild type.
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Affiliation(s)
- Yanqing Feng
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Gang Wei
- Department of Gastroentrology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Linfei Zhang
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Huadong Zhou
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Wei Wang
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Peng Guo
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Caitao Cheng
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Lei Ji
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Qinghe Cai
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yong Feng
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Huahua Tu
- Department of Hepatobiliary Surgery, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
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11
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Shu J, Xiao L, Yan S, Fan B, Zou X, Yang J. Mechanism of MicroRNA-375 Promoter Methylation in Promoting Ovarian Cancer Cell Malignancy. Technol Cancer Res Treat 2021; 20:1533033820980115. [PMID: 33928819 PMCID: PMC8113360 DOI: 10.1177/1533033820980115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective: Ovarian cancer (OC) ranks one of the most prevalent fatal tumors of female genital organs. Aberrant promoter methylation triggers changes of microRNA (miR)-375 in OC. Our study aimed to evaluate the mechanism of methylated miR-375 promoter region in OC cell malignancy and to seek the possible treatment for OC. Methods: miR-375 promoter methylation level in OC tissues and cells was detected. miR-375 expression in OC tissues and cell lines was compared with that in demethylated cells. Role of miR-375 in OC progression was measured. Dual-luciferase reporter gene assay was utilized to verify the targeting relationship between miR-375 and Yes-associated protein 1 (YAP1). Then, Wnt/β-catenin pathway-related protein expression was tested. Moreover, xenograft transplantation was applied to confirm the in vitro experiments. Results: Highly methylated miR-375 was seen in OC tissues and cell lines, while its expression was decreased as the promoter methylation increased. Demethylation in OC cells brought miR-375 back to normal level, with obviously declined cell invasion, migration and viability and improved apoptosis. Additionally, miR-375 targeted YAP1 to regulate the Wnt/β-catenin pathway protein expression. Overexpressed YAP1 reversed the protein expression, promoted cell invasion, migration and viability while reduced cell apoptosis. Overexpressed miR-375 in vivo inhibited OC progression. Conclusion: Our study demonstrated that demethylated miR-375 inhibited OC growth by targeting YAP1 and downregulating the Wnt/β-catenin pathway. This investigation may offer novel insight for OC treatment.
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Affiliation(s)
- Junjun Shu
- Obstetrics and Gynecology Department, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Ling Xiao
- Obstetrics and Gynecology Department, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Sanhua Yan
- Obstetrics and Gynecology Department, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Boqun Fan
- Obstetrics and Gynecology Department, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Xia Zou
- Obstetrics and Gynecology Department, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Jun Yang
- Obstetrics and Gynecology Department, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
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12
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Yang J, Fan Y, Xie B, Yang D. A Combination of RNA-Seq Analysis and Use of TCGA Database for Determining the Molecular Mechanism and Identifying Potential Drugs for GJB1 in Ovarian Cancer. Onco Targets Ther 2021; 14:2623-2633. [PMID: 33883906 PMCID: PMC8055374 DOI: 10.2147/ott.s303589] [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: 01/27/2021] [Accepted: 03/25/2021] [Indexed: 11/23/2022] Open
Abstract
Background There has been increasing evidence for the vital role played by gap junction protein beta-1 (GJB1) in ovarian cancer (OC) and for the possibility of this protein serving as a therapeutic target. However, the detailed mechanism of GJB1 in OC has not yet been clearly determined. The current study aimed to establish the molecular mechanisms of the involvement of GJB1 in OC and to further predict potential drugs targeting this protein. Methods To better understand the molecular mechanisms of the involvement of GJB1 in OC, RNA-Seq transcriptome sequencing was performed. Then, we carried out an RNA-Seq analysis to determine the genes differentially co-expressed with GJB1. Subsequently, we carried out bioinformation methods to study the upstream regulatory transcriptional factor (TF) of GJB1. Further, the binding of FOXA1 and GJB1 promoter was tested using ChIP-qPCR. Moreover, we performed pathway enrichment to identify the downstream regulatory mechanisms of GJB1. Furthermore, potential drugs targeting GJB1 were screened using AutoDock 4.2. Results We constructed the transcriptional factor FOXA1 regulatory network based on the AnimalTFDB, JASPAR, RNA-Seq, TCGA cohort and ChIP-qPCR to study the upstream regulation of GJB1. In addition, two key pathways for the involvement of GJB1 in OC-namely the "ECM-receptor interaction" and "focal adhesion" KEGG pathways-were identified. Furthermore, ZINC000005552022 was found in a screening to be a potentially promising drug targeting GJB1. Conclusion Our study results suggested that the transcriptional factor FOXA1 regulates the involvement of GJB1 in OC through ECM-receptor interaction and focal adhesion KEGG pathways, and that ZINC000005552022 may have promising potential as a drug targeting GJB1; this finding might be used to help accelerate drug development and improve the outcomes for patients with OC.
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Affiliation(s)
- Jie Yang
- Obstetrics and Gynecology, Yuncheng County People's Hospital, Heze, People's Republic of China
| | - Yaqin Fan
- Obstetrics and Gynecology, Yuncheng County People's Hospital, Heze, People's Republic of China
| | - Beibei Xie
- Faculty of Health, Yantai Nanshan University, Yantai, People's Republic of China
| | - Dan Yang
- Obstetrics and Gynecology, Yuncheng County People's Hospital, Heze, People's Republic of China.,Faculty of Health, Yantai Nanshan University, Yantai, People's Republic of China
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Zhang S, Zhang F, Feng L. The inhibition of HeLa cells proliferation through SPARCL1 mediated by SPP1. Cytotechnology 2021; 73:71-78. [PMID: 33505115 DOI: 10.1007/s10616-020-00443-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 11/19/2020] [Indexed: 11/28/2022] Open
Abstract
Secreted protein acidic and rich in cysteines-like 1 (SPARCL1) is implicated in tumor progression and considered as a tumor suppressor. Aim of the study is to investigate the role of SPARCL1 in the regulation of tumor biology. SPARCL1 expression in human cervical cells was determined through western blot and RT-PCR. The effects of SPARCL1 overexpression on cell proliferation, migration and invasion were evaluated through CCK8 assay, colony formation assay, Wound healing assay and Transwell assay, respectively. The gain function of Secreted phosphor protein 1 (SPP1) was also evaluated in these cell functions. We observed that SPARCL1 expression at protein levels and transcription levels was lower in HeLa cells than that in Ect1/E6E7 cells. When SPARCL1 was overexpressed in HeLa cells, cell proliferation, migration and invasion were greatly repressed. Additionally, SPARCL1 overexpression markedly downregulated SPP1 expression at transcription levels. Mechanistical study revealed that SPP1 overexpression could greatly counteract the effects of SPARCL1 overexpression on the aforementioned cell processes and inhibit the phosphorylation of focal adhesion kinase (FAK) and extracellular regulated protein kinases (ERK). Our findings indicated that HeLa cells overexpressing SPARCL1 showed weaker abilities of proliferation, migration and invasion, and its effects could be neutralized by SPP1 overexpression possibly via FAK/ERK pathway. The relationship of SPARCL1 and SPP1 could help us to further understand the pathogenesis of cervical cancer and SPARCL1/SPP1 could be beneficial therapeutic targets in cervical cancer.
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Affiliation(s)
- Shengpeng Zhang
- Department of Obstetrics and Gynecology, Beijing Tiantan Hospital, Capital Medical University, No. 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070 P.R. China
| | - Fengge Zhang
- Department of Obstetrics and Gynecology, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital, Beijing, 101300 P.R. China
| | - Limin Feng
- Department of Obstetrics and Gynecology, Beijing Tiantan Hospital, Capital Medical University, No. 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070 P.R. China
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14
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Li YF, Tsai WC, Chou CH, Huang LC, Huang SM, Hueng DY, Tsai CK. CKAP2L Knockdown Exerts Antitumor Effects by Increasing miR-4496 in Glioblastoma Cell Lines. Int J Mol Sci 2020; 22:ijms22010197. [PMID: 33375517 PMCID: PMC7796349 DOI: 10.3390/ijms22010197] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 12/23/2020] [Accepted: 12/23/2020] [Indexed: 02/06/2023] Open
Abstract
Despite advances in the diagnosis and treatment of the central nervous system malignancy glioma, overall survival remains poor. Cytoskeleton-associated protein 2-like (CKAP2L), which plays key roles in neural progenitor cell division, has also been linked to poor prognosis in lung cancer. In the present study, we investigated the role of CKAP2L in glioma. From bioinformatics analyses of datasets from The Cancer Gene Atlas and the Chinese Glioma Genome Atlas, we found that CKAP2L expression correlates with tumor grade and overall survival. Gene set enrichment analysis (GSEA) showed that MITOTIC_SPINDLE, G2M_CHECKPOINT, and E2F_TARGETS are crucially enriched phenotypes associated with high CKAP2L expression. Using U87MG, U118MG, and LNZ308 human glioma cells, we confirmed that CKAP2L knockdown with siCKAP2L inhibits glioma cell proliferation, migration, invasion, and epithelial-mesenchymal transition. Interestingly, CKAP2L knockdown also induced cell cycle arrest at G2/M phase, which is consistent with the GSEA finding. Finally, we observed that CKAP2L knockdown led to significant increases in miR-4496. Treating cells with exogenous miR-4496 mimicked the effect of CKAP2L knockdown, and the effects of CKAP2L knockdown could be suppressed by miR-4496 inhibition. These findings suggest that CKAP2L is a vital regulator of miR-4496 activity and that CKAP2L is a potentially useful prognostic marker in glioma.
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Affiliation(s)
- Yao-Feng Li
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan; (Y.-F.L.); (W.-C.T.)
| | - Wen-Chiuan Tsai
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan; (Y.-F.L.); (W.-C.T.)
| | - Chung-Hsing Chou
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan;
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei 11490, Taiwan; (S.-M.H.); (D.-Y.H.)
| | - Li-Chun Huang
- Department of Biochemistry, National Defense Medical Center, Taipei 11490, Taiwan;
| | - Shih-Ming Huang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei 11490, Taiwan; (S.-M.H.); (D.-Y.H.)
- Department of Biochemistry, National Defense Medical Center, Taipei 11490, Taiwan;
| | - Dueng-Yuan Hueng
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei 11490, Taiwan; (S.-M.H.); (D.-Y.H.)
- Department of Biochemistry, National Defense Medical Center, Taipei 11490, Taiwan;
- Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
| | - Chia-Kuang Tsai
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan;
- Correspondence:
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15
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Dudea-Simon M, Mihu D, Irimie A, Cojocneanu R, Korban SS, Oprean R, Braicu C, Berindan-Neagoe I. Identification of Core Genes Involved in the Progression of Cervical Cancer Using an Integrative mRNA Analysis. Int J Mol Sci 2020; 21:ijms21197323. [PMID: 33023042 PMCID: PMC7583959 DOI: 10.3390/ijms21197323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 02/06/2023] Open
Abstract
In spite of being a preventable disease, cervical cancer (CC) remains at high incidence, and it has a significant mortality rate. Although hijacking of the host cellular pathway is fundamental for developing a better understanding of the human papillomavirus (HPV) pathogenesis, a major obstacle is identifying the central molecular targets involved in HPV-driven CC. The aim of this study is to investigate transcriptomic patterns of HPV-infected and normal tissues to identify novel prognostic markers. Analyses of functional enrichment and interaction networks reveal that altered genes are mainly involved in cell cycle, DNA damage, and regulated cell-to-cell signaling. Analysis of The Cancer Genome Atlas (TCGA) data has suggested that patients with unfavorable prognostics are more likely to have DNA repair defects attributed, in most cases, to the presence of HPV. However, further studies are needed to fully unravel the molecular mechanisms of such genes involved in CC.
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Affiliation(s)
- Marina Dudea-Simon
- 2nd Obstetrics and Gynecology Department, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.D.-S.); (D.M.)
| | - Dan Mihu
- 2nd Obstetrics and Gynecology Department, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.D.-S.); (D.M.)
| | - Alexandru Irimie
- Department of Surgery, “Prof. Dr. Ion Chiricuta” Oncology Institute, 400015 Cluj-Napoca, Romania;
- Department of Surgical Oncology and Gynecological Oncology, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Roxana Cojocneanu
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 23 Marinescu Street, 400337 Cluj-Napoca, Romania; (R.C.); (I.B.-N.)
| | - Schuyler S. Korban
- Department of Natural and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;
| | - Radu Oprean
- Analytical Chemistry Department, Iuliu Hatieganu University of Medicine and Pharmacy, 4, Louis Pasteur Street, 400349 Cluj-Napoca, Romania;
| | - Cornelia Braicu
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 23 Marinescu Street, 400337 Cluj-Napoca, Romania; (R.C.); (I.B.-N.)
- Correspondence:
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 23 Marinescu Street, 400337 Cluj-Napoca, Romania; (R.C.); (I.B.-N.)
- Department of Functional Genomics and Experimental Pathology, “Prof. Dr. Ion Chiricuţă” Oncology Institute, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania
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