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Lin Y, Zhan M, Xu B. Exportin XPO7 acts as an oncogenic factor in prostate cancer via upregulation of TCF3. J Cancer Res Clin Oncol 2023; 149:7663-7677. [PMID: 37000263 DOI: 10.1007/s00432-023-04705-2] [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: 01/08/2023] [Accepted: 03/17/2023] [Indexed: 04/01/2023]
Abstract
PURPOSE As a nuclear transport protein, XPO7 has been observed to show abnormal expression in various types of human cancers. However, the role of XPO7 in PCa remains elusive. METHODS Here, in this study, immunohistochemistry and bioinformatics were used to determine the expression pattern and prognostic significance of XPO7. To investigate the functions of XPO7 in vitro and in vivo, we knocked down XPO7 in PCa cell lines and established xenograft mice models. Then, we used multiple experiments to determine the cell proliferation, migration, invasion, cell cycle and EMT in PCa cells after XPO7 modulation. Mechanistically, we conducted RNA-seq and identified the regulating effect of XPO7 on cell cycle-related and PI3K-AKT pathways. Furthermore, we assessed the regulating correlation between XPO7 and TCF3 and verified by a series of rescue experiments. RESULTS We found a higher XPO7 expression in prostate cancer tissues and predicted a poorer prognosis of prostate cancer. Then, we further revealed that the ectopic expression of XPO7 in PCa cells facilitated cells proliferation, migration, cell cycle progression and EMT in vitro and promoted tumor growth in vivo. Mechanistically, we conducted RNA-seq and identified the regulating effect of XPO7 on cell cycle-related and PI3K-AKT pathways. Furthermore, a significantly positive correlation was discovered between the expression of XPO7 and TCF3. In addition, XPO7 may regulate PCa through mediating TCF3 expression. TCF3 depletion could alleviate the influence of XPO7 overexpression on malignant phenotypes of PCa cells. CONCLUSIONS These findings indicate that XPO7 promotes PCa initiation and progression and that targeting XPO7 might be therapeutically beneficial to patients with PCa.
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Affiliation(s)
- Yu Lin
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Ming Zhan
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- The Core Laboratory in Medical Center of Clinical Research, Department of Molecular Diagnostics & Endocrinology, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Bin Xu
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
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2
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Jamal Eddin TM, Nasr SM, Gupta I, Zayed H, Al Moustafa AE. Helicobacter pylori and epithelial mesenchymal transition in human gastric cancers: An update of the literature. Heliyon 2023; 9:e18945. [PMID: 37609398 PMCID: PMC10440535 DOI: 10.1016/j.heliyon.2023.e18945] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/25/2023] [Accepted: 08/03/2023] [Indexed: 08/24/2023] Open
Abstract
Gastric cancer, a multifactorial disease, is considered one of the most common malignancies worldwide. In addition to genetic and environmental risk factors, infectious agents, such as Epstein-Barr virus (EBV) and Helicobacter pylori (H.pylori) contribute to the onset and development of gastric cancer. H. pylori is a type I carcinogen that colonizes the gastric epithelium of approximately 50% of the world's population, thus increasing the risk of gastric cancer development. On the other hand, epithelial mesenchymal transition (EMT) is a fundamental process crucial to embryogenic growth, wound healing, organ fibrosis and cancer progression. Several studies associate gastric pathogen infection of the epithelium with EMT initiation, provoking cancer metastasis in the gastric mucosa through various molecular signaling pathways. Additionally, EMT is implicated in the progression and development of H. pylori-associated gastric cancer. In this review, we recapitulate recent findings elucidating the association between H. pylori infection in EMT promotion leading to gastric cancer progression and metastasis.
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Affiliation(s)
- Tala M. Jamal Eddin
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Shahd M.O. Nasr
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Ishita Gupta
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Hatem Zayed
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Ala-Eddin Al Moustafa
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
- Biomedical Research Center, Qatar University, PO Box 2713, Doha, Qatar
- Oncology Department, Faculty of Medicine, McGill University, Montreal, QC, H3G 2M1, Canada
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Liu S, Liu X, Lin X, Chen H. Zinc Finger Proteins in the War on Gastric Cancer: Molecular Mechanism and Clinical Potential. Cells 2023; 12:cells12091314. [PMID: 37174714 PMCID: PMC10177130 DOI: 10.3390/cells12091314] [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: 04/11/2023] [Revised: 04/30/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
According to the 2020 global cancer data released by the World Cancer Research Fund (WCRF) International, gastric cancer (GC) is the fifth most common cancer worldwide, with yearly increasing incidence and the second-highest fatality rate in malignancies. Despite the contemporary ambiguous molecular mechanisms in GC pathogenesis, numerous in-depth studies have demonstrated that zinc finger proteins (ZFPs) are essential for the development and progression of GC. ZFPs are a class of transcription factors with finger-like domains that bind to Zn2+ extensively and participate in gene replication, cell differentiation and tumor development. In this review, we briefly outline the roles, molecular mechanisms and the latest advances in ZFPs in GC, including eight principal aspects, such as cell proliferation, epithelial-mesenchymal transition (EMT), invasion and metastasis, inflammation and immune infiltration, apoptosis, cell cycle, DNA methylation, cancer stem cells (CSCs) and drug resistance. Intriguingly, the myeloid zinc finger 1 (MZF1) possesses reversely dual roles in GC by promoting tumor proliferation or impeding cancer progression via apoptosis. Therefore, a thorough understanding of the molecular mechanism of ZFPs on GC progression will pave the solid way for screening the potentially effective diagnostic indicators, prognostic biomarkers and therapeutic targets of GC.
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Affiliation(s)
- Shujie Liu
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
- Medical Department, Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Xingzhu Liu
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
- Medical Department, Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Xin Lin
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
- Medical Department, Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Hongping Chen
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
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Wang L, Chen J, Zuo Q, Wu C, Yu T, Zheng P, Huang H, Deng J, Fang L, Liu H, Li C, Yu P, Zou Q, Zheng J. Calreticulin enhances gastric cancer metastasis by dimethylating H3K9 in the E-cadherin promoter region mediating by G9a. Oncogenesis 2022; 11:29. [PMID: 35641480 PMCID: PMC9156786 DOI: 10.1038/s41389-022-00405-7] [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: 01/12/2022] [Revised: 04/18/2022] [Accepted: 05/17/2022] [Indexed: 01/06/2023] Open
Abstract
The latest study shows that gastric cancer (GC) ranked the fifth most common cancer (5.6%) with over 1 million estimated new cases annually and the fourth most common cause of cancer death (7.7%) globally in 2020. Metastasis is the leading cause of GC treatment failure. Therefore, clarifying the regulatory mechanisms for GC metastatic process is necessary. In the current study, we discovered that calreticulin (CALR) was highly expressed in GC tissues and related to lymph node metastasis and patient’s terrible prognosis. The introduction of CALR dramatically promoted GC cell migration in vitro and in vivo, while the repression of CALR got the opposite effects. Cell migration is a functional consequence of the epithelial-mesenchymal transition (EMT) and is related to adhesion of cells. Additionally, we observed that CALR inhibition or overexpression regulated the expression of EMT markers (E-cadherin, ZO-1, Snail, N-cadherin, and ZEB1) and cellular adhesive moleculars (Fibronectin, integrin β1and MMP2). Mechanistically, our data indicated that CALR could mediate DNA methylation of E-cadherin promoter by interacting with G9a, a major euchromatin methyltransferase responsible for methylation of histone H3 on lysine 9(H3K9me2) and recruiting G9a to the E-cadherin promoter. Knockdown of G9a in CALR overexpressing models restored E-cadherin expression and blocked the stimulatory effects of CALR on GC cell migration. Taken together, these findings not only reveal critical roles of CALR medicated GC metastasis but also provide novel treatment strategies for GC.
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Affiliation(s)
- Lina Wang
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Jun Chen
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Qianfei Zuo
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Chunmei Wu
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Ting Yu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Pengfei Zheng
- Department of medicinal chemistry, College of Pharmacy, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Hui Huang
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Jun Deng
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Lichao Fang
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Huamin Liu
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Chenghong Li
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China
| | - Peiwu Yu
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China.
| | - Quanming Zou
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China.
| | - Junsong Zheng
- Department of Clinical and Military Laboratory Medicine, College of Medical Laboratory Science, Army Medical University, No. 30 Gaotanyan Street, 400038, Chongqing, China.
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Woo CG, Son SM, Lim YH, Lee D, Park JJ, Kim EG, Shin EY, Lee OJ. pSlug S158 immunohistochemistry is a novel promising mitotic marker for FFPE samples: a pilot study. Virchows Arch 2021; 480:449-457. [PMID: 34510267 DOI: 10.1007/s00428-021-03201-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 10/20/2022]
Abstract
Slug is a transcription factor belonging to the slug/snail superfamily. The protein is involved in embryonic development and epithelial-mesenchymal transition of tumors. Slug is also under temporal regulation during cell cycle. Here, we examined relationship between pSlugS158 (site-specific phosphorylation) and the cell cycle, and checked whether its phosphorylation level reflects mitotic activity in tissue specimens. Cell cycle analysis was performed after cell synchronization. To evaluate pSlugS158 identifying mitotic figures, we performed immunohistochemistry (IHC) for pSlugS158 in various formalin-fixed paraffin-embedded tissues; in addition, mitotic counts were compared with those in sections stained with hematoxylin and eosin (HE) and IHC for PHH3, a mitotic marker. We found that the level of pSlugS158 protein increased specifically at M phase and decreased at the G1/S phases in vitro. In almost all tested tissues, nuclear stain of pSlugS158 was identified in the cell with mitotic figures. There was no significant difference in mitotic counts between HE- and pSlugS158-stained sections. In conclusion, pSlugS158 may be a novel and practical immunohistochemical marker for detecting mitotic figures in human tissues.
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Affiliation(s)
- Chang Gok Woo
- Department of Pathology, Chungbuk National University Hospital, Cheongju, Korea.,Department of Pathology, College of Medicine, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju, 28644, Korea
| | - Seung-Myoung Son
- Department of Pathology, Chungbuk National University Hospital, Cheongju, Korea.,Department of Pathology, College of Medicine, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju, 28644, Korea
| | - Young Hyun Lim
- Department of Pathology, College of Medicine, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju, 28644, Korea
| | - Dakeun Lee
- Department of Pathology, Ajou University School of Medicine, Suwon, Korea
| | - Jung-Jin Park
- Department of Biochemistry, College of Medicine, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju, 28644, Korea
| | - Eung-Gook Kim
- Department of Biochemistry, College of Medicine, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju, 28644, Korea
| | - Eun-Young Shin
- Department of Biochemistry, College of Medicine, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju, 28644, Korea.
| | - Ok-Jun Lee
- Department of Pathology, Chungbuk National University Hospital, Cheongju, Korea. .,Department of Pathology, College of Medicine, Chungbuk National University, Chungdae-ro 1, Seowon-gu, Cheongju, 28644, Korea.
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6
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Kim J, Lee J, Kim U, Park JK, Um HD. Slug promotes p53 and p21 protein degradation by inducing Mdm2 expression in HCT116 colon cancer cells. Oncol Lett 2021; 22:681. [PMID: 34345306 PMCID: PMC8323001 DOI: 10.3892/ol.2021.12942] [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: 02/13/2021] [Accepted: 07/06/2021] [Indexed: 12/13/2022] Open
Abstract
Our previous study revealed that the tumor suppressor/transcription factor p53 directly binds to its transcriptional target, p21, and that the p53/p21 complex binds to zinc finger protein SNAI2 (Slug), a tumor promoter/transcription factor; thereby promoting the degradation of Slug by Mdm2, an E3 ligase. The present study demonstrated that Slug reduced the cellular expression levels of p53 and p21 in HCT116 colon cancer by decreasing their protein stability. In parallel, Slug increased the mRNA and protein expression levels of Mdm2 in these cells. Moreover, knockdown of Mdm2 using specific small interfering RNAs abolished the ability of Slug to induce the degradation of p53 and p21. Considering the well-known function of Mdm2 in facilitating p53 and p21 degradation, these data suggested that Slug promoted p53 and p21 degradation by inducing Mdm2 expression. Moreover, Slug increased ubiquitination levels of p53 in HCT116 cells. This is consistent with the fact that Mdm2 induces p53 degradation by ubiquitinating p53, and further confirmed that Mdm2 acted downstream of Slug. Comparative studies using HCT116 cells and their p53- or p21-knockout variants have revealed that Slug requires p21 to induce p53 degradation. This result is consistent with our previous study, which revealed that Mdm2 acts more efficiently on p53 in the p53/p21 complex compared with on p53 alone. By contrast, Slug did not require p53 to induce p21 degradation, suggesting that p53 was dispensable in Mdm2-mediated p21 degradation. Notably, the ability of Slug to increase/decrease Mdm2/p53 and p21 levels, respectively, was not confined to HCT116 cells alone, but was also confirmed in A549 and H460 lung cancer cells. Collectively, the results of the present study suggested that Slug could counter p53 and p21. The balance between these two opposing groups (Slug vs. p53/p21) may depend on environmental stresses and the internal physiology of cells.
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Affiliation(s)
- Jongdoo Kim
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul 01812, Republic of Korea
| | - Jihyun Lee
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul 01812, Republic of Korea
| | - Ukjin Kim
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul 01812, Republic of Korea
| | - Jong-Kuk Park
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul 01812, Republic of Korea
| | - Hong-Duck Um
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul 01812, Republic of Korea
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7
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Bali P, Lozano-Pope I, Pachow C, Obonyo M. Early detection of tumor cells in bone marrow and peripheral blood in a fast‑progressing gastric cancer model. Int J Oncol 2021; 58:388-396. [PMID: 33469673 PMCID: PMC7864146 DOI: 10.3892/ijo.2021.5171] [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] [Received: 05/30/2020] [Accepted: 10/15/2020] [Indexed: 12/13/2022] Open
Abstract
Helicobacter pylori (H. pylori) infection is a major risk factor for the development of gastric cancer. The authors previously demonstrated that in mice deficient in myeloid differentiation primary response 88 (Myd88−/−), infection with Helicobacter felis (H. felis) a close relative of H. pylori, subsequently rapidly progressed to neoplasia. The present study examined circulating tumor cells (CTCs) by measuring the expression of cytokeratins, epithelial-to-mesenchymal transition (EMT)-related markers and cancer stem cell (CSC) markers in bone marrow and peripheral blood from Myd88−/− and wild-type (WT) mice. Cytokeratins CK8/18 were detected as early as 4 months post-infection in Myd88−/− mice. By contrast, cytokeratins were not detected in WT mice even after 7 months post-infection. The expression of Mucin-1 (MUC1) was observed in both bone marrow and peripheral blood at different time points, suggesting its role in gastric cancer metastasis. Snail, Twist and ZEB were expressed at different levels in bone marrow and peripheral blood. The expression of these EMT-related markers suggests the manifestation of cancer metastasis in the early stages of disease development. LGR5, CD44 and CD133 were the most prominent CSC markers detected. The detection of CSC and EMT markers along with cytokeratins does reinforce their use as biomarkers for gastric cancer metastasis. This early detection of markers suggests that CTCs leave primary site even before cancer is well established. Thus, cytokeratins, EMT, and CSCs could be used as biomarkers to detect aggressive forms of gastric cancers. This information may prove to be of significance in stratifying patients for treatment prior to the onset of severe disease-related characteristics.
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Affiliation(s)
- Prerna Bali
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
| | - Ivonne Lozano-Pope
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
| | - Collin Pachow
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
| | - Marygorret Obonyo
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
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8
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Cheng AY, Chien YC, Lee HC, Hsieh YH, Yu YL. Water-Extracted Ganoderma lucidum Induces Apoptosis and S-Phase Arrest via Cyclin-CDK2 Pathway in Glioblastoma Cells. Molecules 2020; 25:molecules25163585. [PMID: 32781747 PMCID: PMC7464863 DOI: 10.3390/molecules25163585] [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: 05/29/2020] [Revised: 08/01/2020] [Accepted: 08/03/2020] [Indexed: 01/29/2023] Open
Abstract
Glioblastoma is one of the most common and most aggressive brain cancers. The current treatment is mainly surgery, chemotherapy, and radiation therapy, but the results are not satisfactory. Ganoderma lucidum (G. lucidum), also called “Lingzhi”, is a medicinal mushroom that has been used as a therapeutic agent for the treatment of numerous diseases, including cancer. However, whether it is effective for treating cancer is still unclear. In the present study, the anti-tumor effect of a water extract of G. lucidum was investigated using brain tumor cells. We used an analysis of cell viability, flow cytometry, the IncuCyte live-cell analysis system, and Western blotting to study its effects. The water extract from G. lucidum inhibited cell proliferation in a dose- and time-dependent manner, and it induced mitochondria-mediated apoptosis and cell cycle arrest at S phase via the cyclin-CDK2 pathway in human brain tumor cells. In addition, the G. lucidum extract significantly inhibited cell migration and mesenchymal marker expression based on the IncuCyte live-cell assay and qRT-PCR analysis. In summary, these anti-tumor effects in brain tumor cells suggest that G. lucidum may be useful for treating brain tumors.
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Affiliation(s)
- An-Yi Cheng
- The Ph.D. Program of Biotechnology and Biomedical Industry, China Medical University, Taichung 40402, Taiwan;
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan;
- Center for Molecular Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - Yi-Chung Chien
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan;
- Center for Molecular Medicine, China Medical University Hospital, Taichung 40402, Taiwan
- Drug Development Center, China Medical University, Taichung 40402, Taiwan
| | - Han-Chung Lee
- School of Medicine, College of Medicine, China Medical University, Taichung 40402, Taiwan;
- Department of Neurosurgery, China Medical University Hospital, Taichung 40402, Taiwan
| | - Yi-Hsien Hsieh
- Department of Biochemistry, School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
- Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Correspondence: (Y.-H.H.); (Y.-L.Y.)
| | - Yung-Luen Yu
- The Ph.D. Program of Biotechnology and Biomedical Industry, China Medical University, Taichung 40402, Taiwan;
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan;
- Center for Molecular Medicine, China Medical University Hospital, Taichung 40402, Taiwan
- Drug Development Center, China Medical University, Taichung 40402, Taiwan
- Department of Biotechnology, Asia University, Taichung 41354, Taiwan
- Correspondence: (Y.-H.H.); (Y.-L.Y.)
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9
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Omran NM, El-Sherbini SM, Hegazy O, Elshaarawy AA, Talaat RM. Crosstalk between miR-215 and epithelial-mesenchymal transition specific markers (E-cadherin and N-cadherin) in different stages of chronic HCV Infection. J Med Virol 2019; 92:1231-1238. [PMID: 31769519 DOI: 10.1002/jmv.25637] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 11/13/2019] [Indexed: 12/11/2022]
Abstract
The main causes of death among patients with hepatocellular carcinoma (HCC) are a recurrence, metastasis, and deterioration of primary tumors by the epithelial-to-mesenchymal transition (EMT) which is controlled by several molecules including E-cadherin and N-cadherin. Microribonucleic acids (miRNAs) have been identified to play a regulatory role in EMT. miR-215 is important in repressing migration/invasion of cancer cells. In this study, we aimed to evaluate the crosstalk between miR-215 and EMT specific markers (E-cadherin and N-cadherin) with a spotlight on its role in the EMT process in hepatitis C virus (HCV)-infected patients. One hundred forty-five patients were studied, 75 had HCV-induced cirrhosis classified into child A, B, and C and 25 had HCC. In parallel, 45 healthy volunteers considered as controls. Serum levels of E- and N-cadherin were measured using enzyme-linked immunosorbent assay and miR-215 expression measured by a quantitative reverse transcription-polymerase chain reaction. Insignificant change in serum levels of E-cadherin and N-cadherin in HCV-infected patients compared with normal controls was observed with a slight increase in E-cadherin and N-cadherin in the child B group. HCC patients had the lowest amount of E-cadherin and N-cadherin compared with cirrhotic and normal subjects. A maximum reduction in miR-215 was observed in HCC patients compared with cirrhotic and control ones. A positive correlation (r = .202; P < .05) was observed between miR-215 and E-cadherin. Our data stressed on the potential role of miR-215 as an important mediator in HCC progression. miRNAs participating in EMT needs further studies to provide insight into the metastasis of HCC.
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Affiliation(s)
- Nermeen M Omran
- Department of Clinical Pathology, National Liver Institute, Menofia University, Al Minufya, Egypt
| | - Sherif M El-Sherbini
- Department of Molecular Biology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City, Egypt
| | - Osama Hegazy
- Department of Hepatopancreatobiliary Surgery and Liver Transplantation, National Liver Institute, Menofia University, Al Minufya, Egypt
| | - Ahmed A Elshaarawy
- Department of Clinical Pathology, National Liver Institute, Menofia University, Al Minufya, Egypt
| | - Roba M Talaat
- Department of Molecular Biology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City, Egypt
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10
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Moussa RA, Khalil EZI, Ali AI. Prognostic Role of Epithelial-Mesenchymal Transition Markers "E-Cadherin, β-Catenin, ZEB1, ZEB2 and p63" in Bladder Carcinoma. World J Oncol 2019; 10:199-217. [PMID: 31921376 PMCID: PMC6940035 DOI: 10.14740/wjon1234] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 10/29/2019] [Indexed: 12/20/2022] Open
Abstract
Background This study aimed to investigate the expression of epithelial-mesenchymal markers’ E-cadherin, β-catenin, zinc-finger E-box-binding homeobox 1 (ZEB1), zinc-finger E-box-binding homeobox 2 (ZEB2) and p63 in transitional cell carcinoma (TCC) and squamous cell carcinoma (SCC) variants of bladder carcinoma (BC) and their correlation with clinicopathological parameters of prognostic importance. Methods In this retrospective study, 91 patients were enrolled (66 with TCC and 25 with SCC). All patients had full clinical and follow-up data and available paraffin blocks. Immunohistochemical analysis was performed and correlated with clinicopathological factors. Results In TCC cases, reduced E-cadherin, β-catenin positivity and p63 expression rate were evident in the sitting of increased expression of ZEB1 and ZEB2. Patients with ZEB2 positive tumors were more likely to die compared to those with negative ZEB2 (P = 0.024). Moreover, in patients with muscle-invasive BCs, an intense p63 expression was associated with poor overall survival (OS) (P < 0.001). For patients with SCC, there was a reduction in E-cadherin and β-catenin positivity with elevated p63 expression and concomitant increased ZEB1 and ZEB2 expression. Poor prognosis was evident in association with reduced E-cadherin, positive nuclear β-catenin/reduced membranous β-catenin, ZEB1 and ZEB2 positive cases as well patients with elevated p63 expression (P < 0.001). TCC and SCC cases showed similar poor prognosis in association with elevated p63 expression (P < 0.001). Conclusions In both TCC and SCC variants, epithelial-mesenchymal transition (EMT) process is evident; however, its molecular mechanism shows some variations, specifically this notably different p63 expression pattern among two carcinoma variants with the similar impact of elevated p63 expression pattern on prognosis.
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Affiliation(s)
- Rabab Ahmed Moussa
- Pathology Department, Faculty of Medicine, Minia University, Minia 61111, Egypt
| | | | - Ahmed Issam Ali
- Urology Department, Faculty of Medicine, Minia University, Minia 61111, Egypt
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11
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Gallardo M, Kemmerling U, Aguayo F, Bleak TC, Muñoz JP, Calaf GM. Curcumin rescues breast cells from epithelial‑mesenchymal transition and invasion induced by anti‑miR‑34a. Int J Oncol 2019; 56:480-493. [PMID: 31894298 PMCID: PMC6959390 DOI: 10.3892/ijo.2019.4939] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 09/23/2019] [Indexed: 12/27/2022] Open
Abstract
Breast cancer is the most prevalent type of cancer among women worldwide and it is characterized by a high morbidity. Curcumin is a naturally occurring compound derived from the rhizome of Curcuma longa and is known to have antioxidant and anticarcinogenic properties. Emerging evidence has indicated that microRNAs (miRNAs or miRs) function as oncogenes or tumor suppressor genes to control invasion and migration. The aim of this study was to evaluate the effects of curcumin on genes implicated in epithelial-mesenchymal transition (EMT) and to examine the involvement of Rho-A in the migration and invasion of MCF-10F and MDA-MB-231 breast cell lines. Furthermore, to the best of our knowledge, this is the first study to examine the effects of curcumin on Rho-A and on genes involved in EMT, such as Axl, Slug and CD24 in order to determine whether the compound is able to prevent migration and invasion by targeting miRNAs as a regulator of such genes. Specifically, we focused on miR-34a which acts as a tumor suppressor gene in human breast cell lines. The present study demonstrated that the Axl, Slug and CD24 genes were implicated in EMT, and Rho-A was also involved in the migration and invasion of MCF-10F and MDA-MB-231 cell lines. Curcumin also acted upon the miRNA as a regulator of genes implicated in EMT and upon Rho-A as well, affecting the migration and invasion of the cells. This occurred independently of their estrogen receptor (ER), progesterone receptor (PgR) and human epidermal growth factor receptor 2 (HER2) receptors in the non-malignant MCF-10F and malignant MDA-MB-231 breast cell lines, which are both negative for such receptors.
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Affiliation(s)
- Marcela Gallardo
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1001236, Chile
| | - Ulrike Kemmerling
- Programa de Anatomía y Biología del Desarrollo ICBM, Facultad de Medicina, Universidad de Chile, Santiago 8380000, Chile
| | - Francisco Aguayo
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1001236, Chile
| | - Tammy C Bleak
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1001236, Chile
| | - Juan P Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1001236, Chile
| | - Gloria M Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1001236, Chile
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12
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Fouani L, Kovacevic Z, Richardson DR. Targeting Oncogenic Nuclear Factor Kappa B Signaling with Redox-Active Agents for Cancer Treatment. Antioxid Redox Signal 2019; 30:1096-1123. [PMID: 29161883 DOI: 10.1089/ars.2017.7387] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
SIGNIFICANCE Nuclear factor kappa B (NF-κB) signaling is essential under physiologically relevant conditions. However, aberrant activation of this pathway plays a pertinent role in tumorigenesis and contributes to resistance. Recent Advances: The importance of the NF-κB pathway means that its targeting must be specific to avoid side effects. For many currently used therapeutics and those under development, the ability to generate reactive oxygen species (ROS) is a promising strategy. CRITICAL ISSUES As cancer cells exhibit greater ROS levels than their normal counterparts, they are more sensitive to additional ROS, which may be a potential therapeutic niche. It is known that ROS are involved in (i) the activation of NF-κB signaling, when in sublethal amounts; and (ii) high levels induce cytotoxicity resulting in apoptosis. Indeed, ROS-induced cytotoxicity is valuable for its capabilities in killing cancer cells, but establishing the potency of ROS for effective inhibition of NF-κB signaling is necessary. Indeed, some cancer treatments, currently used, activate NF-κB and may stimulate oncogenesis and confer resistance. FUTURE DIRECTIONS Thus, combinatorial approaches using ROS-generating agents alongside conventional therapeutics may prove an effective tactic to reduce NF-κB activity to kill cancer cells. One strategy is the use of thiosemicarbazones, which form redox-active metal complexes that generate high ROS levels to deliver potent antitumor activity. These agents also upregulate the metastasis suppressor, N-myc downstream regulated gene 1 (NDRG1), which functions as an NF-κB signaling inhibitor. It is proposed that targeting NF-κB signaling may proffer a new therapeutic niche to improve the efficacy of anticancer regimens.
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Affiliation(s)
- Leyla Fouani
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, University of Sydney, Sydney, Australia
| | - Zaklina Kovacevic
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, University of Sydney, Sydney, Australia
| | - Des R Richardson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, University of Sydney, Sydney, Australia
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13
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Qiao G, Dai C, He Y, Shi J, Xu C. Effects of miR‑106b‑3p on cell proliferation and epithelial‑mesenchymal transition, and targeting of ZNRF3 in esophageal squamous cell carcinoma. Int J Mol Med 2019; 43:1817-1829. [PMID: 30816445 PMCID: PMC6414160 DOI: 10.3892/ijmm.2019.4107] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 02/18/2019] [Indexed: 01/15/2023] Open
Abstract
Previous studies have demonstrated that the dysregulation of microRNAs (miRs) is frequently associated with cancer progression. Deregulation of miR-106b-3p has been observed in various types of human cancer. However, the biological function of miR-106b-3p in esophageal squamous cell carcinoma (ESCC) remains unclear. Thus, the aim of this study was to investigate the role of miR-106b-3p in ESCC. In the current study, the results indicated that miR-106b-3p was upregulated in ESCC cell lines and tissues. An increase in miR-106b-3p using miR mimics significantly promoted the proliferation of ESCC cells in vitro. Furthermore, the results demonstrated that miR-106b-3p overexpression promoted migration, invasion and epithelial-mesenchymal transition (EMT) of ESCC cells. In addition, zinc and ring finger 3 (ZNRF3) was identified as a target of miR-106b-3p in ESCC cells, and the ZNRF3 expression level was inversely associated with miR-106b-3p. It was also demonstrated that miR-106b-3p has a role in EMT by regulating Wnt/β-catenin signaling pathway in ESCC. In conclusion, these data suggested that miR-106b-3p promotes cell proliferation and invasion, partially by downregulating ZNRF3 and inducing EMT via Wnt/β-catenin signaling in ESCC cells. Thus, miR-106b-3p and ZNRF3 may be novel molecular targets for the future treatment of ESCC.
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Affiliation(s)
- Guanen Qiao
- Department of Digestion, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Chenguang Dai
- Department of Digestion, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Yang He
- Hematological Disease Engineering Center of Ministry of Education, Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Junjie Shi
- Department of Thoracic Surgery, The First Hospital of Handan City, Handan, Hebei 056002, P.R. China
| | - Chunfang Xu
- Department of Digestion, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
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14
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Zhang L, Li W, Cao L, Xu J, Qian Y, Chen H, Zhang Y, Kang W, Gou H, Wong CC, Yu J. PKNOX2 suppresses gastric cancer through the transcriptional activation of IGFBP5 and p53. Oncogene 2019; 38:4590-4604. [PMID: 30745575 PMCID: PMC6756047 DOI: 10.1038/s41388-019-0743-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 12/31/2018] [Accepted: 01/21/2019] [Indexed: 01/06/2023]
Abstract
Promoter methylation plays a vital role in tumorigenesis through transcriptional silencing of tumor suppressive genes. Using genome-wide methylation array, we first identified PBX/Knotted Homeobox 2 (PKNOX2) as a candidate tumor suppressor in gastric cancer. PKNOX2 mRNA expression is largely silenced in gastric cancer cell lines and primary gastric cancer via promoter methylation. Promoter methylation of PKNOX2 was associated with poor survival in gastric cancer patients. A series of in vitro and in vivo functional studies revealed that PKNOX2 functions as a tumor suppressor. Ectopic PKNOX2 expression inhibited cell proliferation in GC cell lines and suppressed growth of tumor xenografts in mice via induction of apoptosis and cell cycle arrest; and suppressed cell migration and invasion by blocking epithelial-to-mesenchymal transition. On the other hand, knockdown PKNOX2 in normal gastric epithelial cells triggered diverse malignant phenotypes. Mechanistically, PKNOX2 exerts its tumor suppressive effect by promoting the up-regulation of Insulin like Growth Factor Binding Protein 5 (IGFBP5) and TP53. PKNOX2 binds to the promoter regions of IGFBP5 and TP53 and transcriptionally activated their expression by chromatin immunoprecipitation (ChIP)-PCR assay. IGFBP5 knockdown partly abrogated tumor suppressive effect of PKNOX2, indicating that the function(s) of PKNOX2 are dependent on IGFBP5. IGFBP5 promoted PKNOX2-mediated up-regulation of p53. As a consequence, p53 transcription target genes were coordinately up-regulated in PKNOX2-expressing GC cells, leading to tumor suppression. In summary, our results identified PKNOX2 as a tumor suppressor in gastric cancer by activation of IGFBP5 and p53 signaling pathways. PKNOX2 promoter hypermethylation might be a biomarker for the poor survival of gastric cancer patients.
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Affiliation(s)
- Li Zhang
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Weilin Li
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong.,Department of Surgery, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Lei Cao
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Jiaying Xu
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Yun Qian
- Department of Gastroenterology, Shenzhen University Hospital, Shenzhen, China
| | - Huarong Chen
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Yanquan Zhang
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Wei Kang
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Hongyan Gou
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Chi Chun Wong
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong.
| | - Jun Yu
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong.
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15
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Hu P, Liang Y, Hu Q, Wang H, Cai Z, He J, Cai J, Liu M, Qin Y, Yu X, Jiang C, Zhang B, Wang W. SNX6 predicts poor prognosis and contributes to the metastasis of pancreatic cancer cells via activating epithelial-mesenchymal transition. Acta Biochim Biophys Sin (Shanghai) 2018; 50:1075-1084. [PMID: 30307473 DOI: 10.1093/abbs/gmy110] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Accepted: 08/11/2018] [Indexed: 01/06/2023] Open
Abstract
Pancreatic cancer remains a challenging disease with an overall cumulative 5-year survival rate around 6%. Though significant progress has been made in the availability of diagnostic techniques and treatment strategies, pancreatic cancer remains a disease of high mortality rate. Therefore, there is an urgent need for a better understanding of the molecular mechanisms that governs the oncogenesis and metastasis process of pancreatic cancer. In the present study, by using the Cancer Genome Atlas (TCGA) dataset analysis, we demonstrated that sorting nexin 6 (SNX6) serves as a biomarker for predicting prognosis of pancreatic cancer. In vitro studies demonstrated that silencing of SNX6 expression reduced cell proliferation, colony formation, invasion, and metastasis. Higher level of SNX6 helps maintain the mesenchymal properties, which renders migration and invasive capacities to pancreatic cancer cells. Moreover, in the process of TGF-β-induced epithelial to mesenchymal transition (EMT), the expression level of SNX6 was increased, and silencing of SNX6 expression could inhibit the TGF-β-induced EMT program. These results collectively uncovered a novel predictive marker for pancreatic cancer and provided the possible underlying molecular mechanism.
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Affiliation(s)
- Pengfei Hu
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Yun Liang
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Qiangsheng Hu
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Hongwei Wang
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Zhiwei Cai
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Jiaqi He
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Jianhua Cai
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Meng Liu
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Yi Qin
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xianjun Yu
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Chongyi Jiang
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
| | - Bo Zhang
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Wei Wang
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai, China
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16
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Zhang Y, Li D, Dai Y, Li R, Gao Y, Hu L. The Role of E-cadherin in Helicobacter pylori-Related Gastric Diseases. Curr Drug Metab 2018; 20:23-28. [PMID: 29938616 DOI: 10.2174/1389200219666180625113010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 04/09/2018] [Accepted: 04/17/2018] [Indexed: 12/29/2022]
Abstract
BACKGROUND Helicobacter pylori (H. pylori)-related gastric diseases are a series of gastric mucosal disorders associated with H. pylori infection. Gastric cancer (GC) is widely believed to evolve from gastritis and gastric ulcer. As an important adhesion molecule of epithelial cells, E-cadherin plays a key role in the development of gastric diseases. In this review, we aim to seek the characteristic of E-cadherin expression at different stages of gastric diseases. METHODS We searched plenty of databases for research literature about E-cadherin expression in H. pylori-related gastric diseases, and reviewed the relationship of E-cadherin and H. pylori, and the role of E-cadherin at different stages of gastric diseases. RESULTS H. pylori was shown to decrease E-cadherin expression by various ways in vitro, while most of clinical studies have not found the relationship between H. pylori and E-cadherin expression. It is defined that poor outcome of GC is related to loss expression of E-cadherin, but it is still unclear when qualitative change of E-cadherin expression in gastric mucosa emerges. CONCLUSION Expression level of E-cadherin in gastric cells may be a consequence of injury factors and body's selfrepairing ability. More studies on E-cadherin expression in gastric mucosa with precancerous lesions need to be performed, which may be potential and useful for early detection, prevention and treatment of GC.
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Affiliation(s)
- Yunzhan Zhang
- Piwei Institute, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Danyan Li
- Piwei Institute, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Yunkai Dai
- Piwei Institute, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Ruliu Li
- Piwei Institute, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Yong Gao
- Piwei Institute, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Ling Hu
- Piwei Institute, Guangzhou University of Chinese Medicine, Guangdong, China
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17
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Molaei F, Forghanifard MM, Fahim Y, Abbaszadegan MR. Molecular Signaling in Tumorigenesis of Gastric Cancer. IRANIAN BIOMEDICAL JOURNAL 2018; 22:217-30. [PMID: 29706061 PMCID: PMC5949124 DOI: 10.22034/ibj.22.4.217] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Gastric cancer (GC) is regarded as the fifth most common cancer and the third cause of cancer-related deaths worldwide. Mechanism of GC pathogenesis is still unclear and relies on multiple factors, including environmental and genetic characteristics. One of the most important environmental factors of GC occurrence is infection with Helicobacter pylori that is classified as class one carcinogens. Dysregulation of several genes and pathways play an essential role during gastric carcinogenesis. Dysregulation of developmental pathways such as Wnt/β-catenin signaling, Hedgehog signaling, Hippo pathway, Notch signaling, nuclear factor-kB, and epidermal growth factor receptor have been found in GC. Epithelial-mesenchymal transition, as an important process during embryogenesis and tumorigenesis, is supposed to play a role in initiation, invasion, metastasis, and progression of GC. Although surgery is the main therapeutic modality of the disease, the understanding of biological processes of cell signaling pathways may help to develop new therapeutic targets for GC.
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Affiliation(s)
- Fatemeh Molaei
- Immunology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Yasaman Fahim
- Immunology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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18
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Chen SC, Liao TT, Yang MH. Emerging roles of epithelial-mesenchymal transition in hematological malignancies. J Biomed Sci 2018; 25:37. [PMID: 29685144 PMCID: PMC5913878 DOI: 10.1186/s12929-018-0440-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 04/19/2018] [Indexed: 01/06/2023] Open
Abstract
Background Epithelial-mesenchymal transition is an important process in embryonic development, fibrosis, and cancer metastasis. During the progression of epithelial cancer, activation of epithelial-mesenchymal transition is tightly associated with metastasis, stemness and drug resistance. However, the role of epithelial-mesenchymal transition in non-epithelial cancer is relatively unclear. Main body Epithelial-mesenchymal transition transcription factors are critical in both myeloid and lymphoid development. Growing evidence indicates their roles in cancer cells to promote leukemia and lymphoma progression. The expression of epithelial-mesenchymal transition transcription factors can cause the differentiation of indolent type to the aggressive type of lymphoma. Their up-regulation confers cancer cells resistant to chemotherapy, tyrosine kinase inhibitors, and radiotherapy. Conversely, the down-regulation of epithelial-mesenchymal transition transcription factors, monoclonal antibodies, induce lymphoma cells apoptosis. Conclusions Epithelial-mesenchymal transition transcription factors are potentially important prognostic or predictive factors and treatment targets for leukemia and lymphoma.
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Affiliation(s)
- San-Chi Chen
- Institute of Clinical Medicine, National Yang-Ming University, No. 155, Sec. 2, Li-Nong Street, Taipei, 11221, Taiwan.,Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan.,Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Tsai-Tsen Liao
- Institute of Clinical Medicine, National Yang-Ming University, No. 155, Sec. 2, Li-Nong Street, Taipei, 11221, Taiwan.,Cancer Progression Center of Excellence, National Yang-Ming University, Taipei, Taiwan.,Department of Otolaryngology, National Yang-Ming University, Taipei, Taiwan
| | - Muh-Hwa Yang
- Institute of Clinical Medicine, National Yang-Ming University, No. 155, Sec. 2, Li-Nong Street, Taipei, 11221, Taiwan. .,Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan. .,Cancer Progression Center of Excellence, National Yang-Ming University, Taipei, Taiwan.
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19
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Santi R, Cai T, Nobili S, Galli IC, Amorosi A, Comperat E, Nesi G. Snail immunohistochemical overexpression correlates to recurrence risk in non-muscle invasive bladder cancer: results from a longitudinal cohort study. Virchows Arch 2018. [PMID: 29525824 DOI: 10.1007/s00428-018-2310-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Raffaella Santi
- Division of Pathological Anatomy, University of Florence, Florence, Italy
| | - Tommaso Cai
- Department of Urology, Santa Chiara Regional Hospital, Trento, Italy
| | - Stefania Nobili
- Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, Florence, Italy
| | | | - Andrea Amorosi
- Institute of Pathology, Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy
| | - Eva Comperat
- Academic Department of Pathology, Hôpital Tenon, AP-HP, UPMC University Paris 06, Paris, France
| | - Gabriella Nesi
- Division of Pathological Anatomy, University of Florence, Florence, Italy.
- Division of Pathological Anatomy, Department of Surgery and Translational Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy.
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20
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Ding Q, Wang Y, Zhang AL, Xu T, Zhou DD, Li XF, Yang JF, Zhang L, Wang X. ZEB2 Attenuates LPS-Induced Inflammation by the NF-κB Pathway in HK-2 Cells. Inflammation 2018; 41:722-731. [DOI: 10.1007/s10753-017-0727-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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21
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Gallik KL, Treffy RW, Nacke LM, Ahsan K, Rocha M, Green-Saxena A, Saxena A. Neural crest and cancer: Divergent travelers on similar paths. Mech Dev 2017; 148:89-99. [PMID: 28888421 PMCID: PMC5811199 DOI: 10.1016/j.mod.2017.08.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 08/20/2017] [Accepted: 08/24/2017] [Indexed: 12/29/2022]
Abstract
Neural crest cells are multipotent progenitors that dynamically interpret diverse microenvironments to migrate significant distances as a loosely associated collective and contribute to many tissues in the developing vertebrate embryo. Uncovering details of neural crest migration has helped to inform a general understanding of collective cell migration, including that which occurs during cancer metastasis. Here, we discuss several commonalities and differences of neural crest and cancer cell migration and behavior. First, we focus on some of the molecular pathways required for the initial specification and potency of neural crest cells and the roles of many of these pathways in cancer progression. We also describe epithelial-to-mesenchymal transition, which plays a critical role in initiating both neural crest migration and cancer metastasis. Finally, we evaluate studies that demonstrate myriad forms of cell-cell and cell-environment communication during neural crest and cancer collective migration to highlight the remarkable similarities in their molecular and cell biological regulation.
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Affiliation(s)
- Kristin L Gallik
- Department of Biological Sciences, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Randall W Treffy
- Department of Biological Sciences, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Lynne M Nacke
- Department of Biological Sciences, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Kamil Ahsan
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA
| | - Manuel Rocha
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA
| | - Abigail Green-Saxena
- Department of Biological Sciences, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Ankur Saxena
- Department of Biological Sciences, University of Illinois at Chicago, Chicago, IL 60607, USA.
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22
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Lee HH, Lee SH, Song KY, Na SJ, O JH, Park JM, Jung ES, Choi MG, Park CH. Evaluation of Slug expression is useful for predicting lymph node metastasis and survival in patients with gastric cancer. BMC Cancer 2017; 17:670. [PMID: 28974196 PMCID: PMC5627408 DOI: 10.1186/s12885-017-3668-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 09/28/2017] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Slug is a transcription factor that activates the epithelial-mesenchymal transition (EMT) process in cancer progression. The aim of our study was to evaluate the clinical significance of Slug expression in gastric cancer. METHODS The expression of Slug in gastric cancer tissues of 456 patients who underwent gastrectomy was evaluated by immunohistochemistry using tissue microarrays. Slug expression level was defined by the composite score determined by multiplying the tumor staining scores for intensity and extent. The associations of Slug expression with clinicopathological characteristics and overall and recurrence-free survival were analyzed. RESULTS Patients were divided into three groups according to Slug composite score (≤4, 6, and 9). Low, mid, and high expression of Slug was observed in 104 (22.7%), 130 (28.3%), and 225 (49.0%) of cases, respectively. Overall survival and recurrence-free survival progressively increased from high to low Slug expression. In terms of lymph node metastasis, the rate of positive lymph node metastasis was 38/104 (36.5%), 79/130 (60.8%), and 178/225 (79.1%) in low, mid, and high Slug expression groups, respectively, displaying a tendency to increase with higher Slug expression. In a multivariate analysis adjusting for patient age, tumor size, tumor depth, and histology, high Slug expression was associated with a high rate of positive lymph node metastasis compared with low Slug expression (odds ratio 3.42; 95% confidence interval, 1.74-6.69). In a subgroup analysis of T1 cancer, patients with negative Slug expression (defined as <5% positive tumor cells or no/weak staining) showed no lymph node metastasis (0/13), whereas those with positive Slug expression showed 15.9% (17/107) lymph node metastasis, with a negative predictive value of 100%. CONCLUSIONS High expression of Slug in gastric cancer tissue was associated with lymph node metastasis and poor survival. Evaluation of Slug would be useful for discriminating patients at high risk of lymph node metastasis in early gastric cancer.
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Affiliation(s)
- Han Hee Lee
- Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Korea
| | - Sung Hak Lee
- Department of Hospital Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
| | - Kyo Young Song
- Division of Gastrointestinal Surgery, Department of Surgery, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, 271, Cheonbo-ro Uijeongbu, Gyeonggi-do, 480-717, Republic of Korea.
| | - Sae Jung Na
- Department of Radiology, The Catholic University of Korea, Uijeongbu St. Mary's Hospital, Uijeongbu, Korea
| | - Joo Hyun O
- Department of Radiology, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Korea
| | - Jae Myung Park
- Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Korea
| | - Eun Sun Jung
- Department of Hospital Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Myung-Gyu Choi
- Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Korea
| | - Cho Hyun Park
- Department of Surgery, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Korea
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23
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Li K, Na K, Sang T, Wu K, Wang Y, Wang X. The ethanol extracts of sporoderm-broken spores of Ganoderma lucidum inhibit colorectal cancer in vitro and in vivo. Oncol Rep 2017; 38:2803-2813. [PMID: 29048673 PMCID: PMC5780033 DOI: 10.3892/or.2017.6010] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 08/17/2017] [Indexed: 12/27/2022] Open
Abstract
The medicinal mushroom Ganoderma lucidum (G. lucidum) has been reported to possess a variety of pharmacological activities including anticancer effects. However, the anti-colorectal cancer effects and the potential molecular mechanisms of the ethanol extracts of sporoderm-broken spores of G. lucidum (BSGLEE), which mainly contains triterpenoids, have not been reported. The aim of the present study was to investigate the anticancer effects and molecular mechanisms exerted by BSGLEE on colorectal cancer in vitro and in vivo. MTT assay revealed that BSGLEE at 1.6 to 10 mg/ml significantly inhibited HCT116 cell proliferation in a dose- and time-dependent manner. Flow cytometric analysis demonstrated that BSGLEE induces apoptosis and cell cycle arrest at G0/G1 phase, which are associated with deregulation of the expression of key genes and proteins (p21, p16, cyclin D1, Bcl-2, bax, NAG-1, PARP and caspase-3) that regulate apoptosis and cell cycle cascades. Moreover, BSGLEE significantly inhibited HCT116 cell migration via downregulating MMP-1, MMP-2 and upregulating E-cadherin expression at mRNA levels. Oral gavage of 75 and 150 mg/kg BSGLEE significantly inhibited HCT116 xenograft tumor growth in nude mice, which was accompanied by suppressed Ki-67 staining as determined by immunochemistry. Collectively, we found that BSGLEE effectively inhibits colorectal cancer carcinogenesis through induction of apoptosis, inhibition of migration and promotion of cell cycle arrest. Our results suggest that triterpenoids of sporoderm-broken spores of G. lucidum ethanol extracts may serve as a promising anticancer agent for colorectal cancer chemoprevention and therapy.
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Affiliation(s)
- Kang Li
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Kun Na
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Tingting Sang
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Kaikai Wu
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Ying Wang
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Xingya Wang
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
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24
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Kita A, Kasamatsu A, Nakashima D, Endo-Sakamoto Y, Ishida S, Shimizu T, Kimura Y, Miyamoto I, Yoshimura S, Shiiba M, Tanzawa H, Uzawa K. Activin B Regulates Adhesion, Invasiveness, and Migratory Activities in Oral Cancer: a Potential Biomarker for Metastasis. J Cancer 2017; 8:2033-2041. [PMID: 28819404 PMCID: PMC5559965 DOI: 10.7150/jca.18714] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 04/08/2017] [Indexed: 12/12/2022] Open
Abstract
Activin B, a homodimer of inhibin beta b (INHBB), is a multifunctional cytokine belonging to the transforming growth factor-β (TGF-β) family. However, the molecular functions and clinical relevance of activin B have not been determined in oral cancer. We investigated the critical roles of activin B in oral squamous cell carcinoma (OSCC). We performed quantitative reverse transcriptase-polymerase chain reaction, Western blotting, and immunohistochemistry to study INHBB expression in OSCC-derived cell lines and OSCC clinical samples. The INHBB expression levels were significantly (P < 0.05) overexpressed in OSCCs compared to normal counterparts in vitro and in vivo. Activin B-positivity in OSCC cases was significantly (P < 0.05) correlated with regional lymph node metastasis. The INHBB knockdown (shINHBB) cells promoted cellular adhesion and suppression of cellular invasiveness and migration. After treatment of shINHBB cells with activin B, those activities were restored similar to the shMock cells. In the processes of invasiveness and metastasis, the cells cause epithelial-mesenchymal transition (EMT). TGF-β and its family members are promoters of the EMT process. To investigate whether activin B is related to EMT, we examined the expressions of EMT-related genes and found that INHBB was related closely to EMT. Our results suggested for the first time that activin B indicates tumoral metastasis in OSCCs and might be a useful biomarker for OSCC metastasis.
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Affiliation(s)
- Akihiro Kita
- Department of Oral Science, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Atsushi Kasamatsu
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Dai Nakashima
- Department of Oral Science, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Yosuke Endo-Sakamoto
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Sho Ishida
- Department of Oral Science, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Toshihiro Shimizu
- Department of Dentistry and Oral-Maxillofacial Surgery, Kashima Rosai Hospital, 1-9108-2 Doaihoncho, Kamisu, Ibaraki 314-0343, Japan
| | - Yasushi Kimura
- Department of Dentistry and Oral-Maxillofacial Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan
| | - Isao Miyamoto
- Department of Dentistry and Oral-Maxillofacial Surgery, Japanese Red Cross Fukaya Hospital, 5-6-1 Kamishibachonishi, Fukaya, Saitama, 366-0052 Japan
| | - Shusaku Yoshimura
- Department of Oral Science, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Masashi Shiiba
- Department of Medical Oncology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Hideki Tanzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan.,Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Katsuhiro Uzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan.,Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
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25
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Li W, Lai B, Yang X, Zhang C, Wang H. A truncated p53 in human lung cancer cells as a critical determinant of proliferation and invasiveness. Tumour Biol 2017. [PMID: 28631571 DOI: 10.1177/1010428317703824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Weiying Li
- Cell Biology Laboratory, Department of Cellular & Molecular Biology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing, China
| | - Baitang Lai
- Cell Biology Laboratory, Department of Cellular & Molecular Biology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing, China
| | - Xuehui Yang
- Cell Biology Laboratory, Department of Cellular & Molecular Biology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing, China
| | - Chunyan Zhang
- Cell Biology Laboratory, Department of Cellular & Molecular Biology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing, China
| | - Hui Wang
- Cell Biology Laboratory, Department of Cellular & Molecular Biology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing, China
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26
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Bai JW, Chen MN, Wei XL, Li YC, Lin HY, Chen M, Li JW, Du CW, Man K, Zhang GJ. The zinc-finger transcriptional factor Slug transcriptionally downregulates ERα by recruiting lysine-specific demethylase 1 in human breast cancer. Oncogenesis 2017; 6:e330. [PMID: 28481366 PMCID: PMC5523071 DOI: 10.1038/oncsis.2017.38] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Revised: 03/02/2017] [Accepted: 03/28/2017] [Indexed: 02/07/2023] Open
Abstract
Estrogen receptor α (ERα) is related with epithelial-mesenchymal transition, invasion and metastasis, and serves as an important therapeutic predictor and prognostic factor in breast cancer patients. The triple negative breast cancer (TNBC) is characterized by loss of hormone receptors and human epidermal growth factor receptor 2 (Her2), and lacks effective targeted therapy with poor prognosis. Unfortunately, the molecular mechanisms of ERα deficiency, which becomes hormone independent and results in resistance to endocrine therapy, remain to be elucidated in breast cancer. In this study, we observed an inverse correlation between Slug, a zinc-finger transcriptional repressor, and ERα expression in both human breast cancer tissues and cell lines. In ERα-negative breast cancer patients, high Slug messenger RNA expression showed obviously shorter relapse-free survival. We found that Slug binds to the E-box located in the promoter of estrogen receptor 1 gene (ESR1) to suppress its expression. More specifically, Slug recruits lysine-specific demethylase 1 (LSD1) to the E-box and thereby inhibits ERα expression by demethylating H3K4me2, which is evidenced by the interaction between Slug and LSD1. Moreover, the amount of H3K4me2 binding to the E-box was significantly increased after LSD1 knockdown in MDA-MB-231 cells. Functionally, the ability to proliferate, invade and metastasize was significantly suppressed after knockdown of either Slug or LSD1 alone, or both simultaneously. Taken together, these results suggest that Slug transcriptionally inhibits ERα expression by recruiting LSD1 to the ESR1 promoter in breast cancers. Thus, targeted inhibition of Slug and LSD1 may restore ERα and lead to resensitization to hormone therapy, providing a novel therapeutic strategy for ERα-negative breast cancer patients, especially for TNBC.
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Affiliation(s)
- J-W Bai
- The Breast Center, Cancer Hospital of Shantou University Medical College (SUMC), Shantou, China
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
| | - M-N Chen
- The Breast Center, Cancer Hospital of Shantou University Medical College (SUMC), Shantou, China
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
| | - X-L Wei
- The Breast Center, Cancer Hospital of Shantou University Medical College (SUMC), Shantou, China
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
- Department of Pathology, Cancer Hospital of SUMC, Shantou, China
| | - Y-Ch Li
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
| | - H-Y Lin
- The Breast Center, Cancer Hospital of Shantou University Medical College (SUMC), Shantou, China
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of SUMC, Shantou, China
| | - M Chen
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
| | - J-W Li
- The Breast Center, Cancer Hospital of Shantou University Medical College (SUMC), Shantou, China
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
| | - C-W Du
- The Breast Center, Cancer Hospital of Shantou University Medical College (SUMC), Shantou, China
- Department of Breast Medical Oncology, Cancer Hospital of SUMC, Shantou, China
| | - K Man
- Department of Surgery, HongKong University Li Ka-Tsing Faculty of Medicine, Hongkong, China
| | - G-J Zhang
- The Breast Center, Cancer Hospital of Shantou University Medical College (SUMC), Shantou, China
- ChangJiang Scholar’s Laboratory of SUMC, Shantou, China
- The Breast Center and ChangJiang Scholar’s Laboratory, Cancer Hospital of Shantou University Medical College, 7 Raoping Road, Shantou, 515041 Guangdong, China. E-mail:
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27
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Mahmood MQ, Ward C, Muller HK, Sohal SS, Walters EH. Epithelial mesenchymal transition (EMT) and non-small cell lung cancer (NSCLC): a mutual association with airway disease. Med Oncol 2017; 34:45. [PMID: 28197929 DOI: 10.1007/s12032-017-0900-y] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 02/03/2017] [Indexed: 12/19/2022]
Abstract
NSCLC is a leading cause of morbidity and mortality worldwide. It includes adeno- and squamous cell carcinoma. In the background, COPD and smoking play a vital role in development of NSCLC. Local progression and metastasis of NSCLC has been associated with various mechanisms, but in particular by a process called epithelial mesenchymal transition (EMT), which is implicated in COPD pathogenesis. In this study, we have investigated whether expression of EGFR (activation marker) and S100A4, vimentin and N-cadherin (as EMT) is different both in central and leading edge of NSCLC and to what extent related to EMT activity of both small and large airways, stage and differentiation of NSCLC. We have investigated EMT biomarkers (S100A4, vimentin, and N-cadherin), an epithelial activation marker (EGFR) and a vascularity marker (Type-IV collagen) in surgically resected tissue from patients with NSCLC (adeno- and squamous cell carcinoma), and compared them with expression in the corresponding non-tumorous airways. EGFR, S100A4, vimentin, N-cadherin expression was higher in tumor cells located at the peripheral leading edge of NSCLC when compared with centrally located tumor cells of same subjects (P < 0.01). Type-IV collagen-expressing blood vessels were also more at the leading edge in comparison with central parts of NSCLC. EGFR and S100A4 expression was related to differentiation status (P < 0.05) and TNM stage (P < 0.05) of NSCLC. Moreover, EMT markers in the leading edge were significantly related to airway EMT activity, while peripheral edge vascularity of squamous cell carcinoma only was significantly related to large airway Rbm vascularity (P < 0.05). EGFR- and EMT-related protein expression was markedly high in the peripheral leading edge of NSCLCs and related to tumor characteristics associated with poor prognosis. The relationships between EMT-related tumor biomarker expression and those in the airway epithelium and Rbm provide a background for utility of airway changes in clinical settings.
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Affiliation(s)
- Malik Quasir Mahmood
- NHMRC Centre for Research Excellence in Chronic Respiratory Disease and Lung Ageing, School of Medicine, University of Tasmania, MS1, 17 Liverpool Street, Private Bag 23, Hobart, TAS, 7000, Australia
| | - Chris Ward
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, Tyne and Wear, UK
| | - Hans Konrad Muller
- NHMRC Centre for Research Excellence in Chronic Respiratory Disease and Lung Ageing, School of Medicine, University of Tasmania, MS1, 17 Liverpool Street, Private Bag 23, Hobart, TAS, 7000, Australia
| | - Sukhwinder Singh Sohal
- NHMRC Centre for Research Excellence in Chronic Respiratory Disease and Lung Ageing, School of Medicine, University of Tasmania, MS1, 17 Liverpool Street, Private Bag 23, Hobart, TAS, 7000, Australia.,Faculty of Health, School of Health Sciences, University of Tasmania, Launceston, TAS, 7248, Australia
| | - Eugene Haydn Walters
- NHMRC Centre for Research Excellence in Chronic Respiratory Disease and Lung Ageing, School of Medicine, University of Tasmania, MS1, 17 Liverpool Street, Private Bag 23, Hobart, TAS, 7000, Australia.
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28
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Qiu X, Pascal LE, Song Q, Zang Y, Ai J, O'Malley KJ, Nelson JB, Wang Z. Physical and Functional Interactions between ELL2 and RB in the Suppression of Prostate Cancer Cell Proliferation, Migration, and Invasion. Neoplasia 2017; 19:207-215. [PMID: 28167296 PMCID: PMC5293724 DOI: 10.1016/j.neo.2017.01.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 12/22/2016] [Accepted: 01/02/2017] [Indexed: 12/24/2022] Open
Abstract
Elongation factor, RNA polymerase II, 2 (ELL2) is expressed and regulated by androgens in the prostate. ELL2 and ELL-associated factor 2 (EAF2) form a stable complex, and their orthologs in Caenorhabditis elegans appear to be functionally similar. In C. elegans, the EAF2 ortholog eaf-1 was reported to interact with the retinoblastoma (RB) pathway to control development and fertility in worms. Because RB loss is frequent in prostate cancer, ELL2 interaction with RB might be important for prostate homeostasis. The present study explored physical and functional interaction of ELL2 with RB in prostate cancer. ELL2 expression in human prostate cancer specimens was detected using quantitative polymerase chain reaction coupled with laser capture microdissection. Co-immunoprecipitation coupled with deletion mutagenesis was used to determine ELL2 association with RB. Functional interaction between ELL2 and RB was tested using siRNA knockdown, BrdU incorporation, Transwell, and/or invasion assays in LNCaP, C4-2, and 22Rv1 prostate cancer cells. ELL2 expression was downregulated in high-Gleason score prostate cancer specimens. ELL2 could be bound and stabilized by RB, and this interaction was mediated through the N-terminus of ELL2 and the C-terminus of RB. Concurrent siRNA knockdown of ELL2 and RB enhanced cell proliferation, migration, and invasion as compared to knockdown of ELL2 or RB alone in prostate cancer cells. ELL2 and RB can interact physically and functionally to suppress prostate cancer progression.
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Affiliation(s)
- Xiaonan Qiu
- Tsinghua MD Program, School of Medicine, Tsinghua University, Beijing, China; Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Laura E Pascal
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Qiong Song
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.
| | - Yachen Zang
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Urology, The Second Affiliate Hospital of Soochow University, Suzhou, China.
| | - Junkui Ai
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Katherine J O'Malley
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Joel B Nelson
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Zhou Wang
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China; University of Pittsburgh Cancer Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Pharmacology and Chemical Biology, and University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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29
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Kim CW, Hwang KA, Choi KC. Anti-metastatic potential of resveratrol and its metabolites by the inhibition of epithelial-mesenchymal transition, migration, and invasion of malignant cancer cells. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2016; 23:1787-1796. [PMID: 27912881 DOI: 10.1016/j.phymed.2016.10.016] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 10/19/2016] [Accepted: 10/26/2016] [Indexed: 05/15/2023]
Abstract
BACKGROUND Increased epithelial-mesenchymal transition (EMT) and cell migration and invasion abilities of cancer cells play important roles in the metastatic process of cancer. Resveratrol is a stilbenoid, a type of natural polyphenol found in the skin of grapes, berries, and peanuts. A number of experiments have examined resveratrol's ability to target diverse pathways associated with carcinogenesis and cancer progression. PURPOSE This article aims to present updated overview of the knowledge that resveratrol and its metabolites or analogs have the potential to inhibit metastasis of cancer via affecting many signaling pathways related with EMT, cancer migration, and invasion in diverse organs of the body. CHAPTERS This article starts with a short introduction describing diverse beneficial effects of resveratrol including cancer prevention and the aim of the present study. To address the effects of resveratrol on cancer metastasis, mechanisms of EMT, migration, invasion, and their relevance with cancer metastasis, anti-metastatic effects of resveratrol through EMT-related signaling pathways and inhibitory effects of resveratrol on migration and invasion are highlighted. In addition, anti-metastatic potential of resveratrol metabolites and analogs is addressed. CONCLUSION Resveratrol was demonstrated to turn back the EMT process induced by diverse signaling pathways in several cellular and animal cancer models. In addition, resveratrol can exert chemopreventive efficacies on migration and invasion of cancer cells by inhibiting the related pathways and target molecules. Although these findings display the anti-metastatic potential of resveratrol, more patient-oriented clinical studies demonstrating the marked efficacies of resveratrol in humans are still needed.
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Affiliation(s)
- Cho-Won Kim
- Laboratory of Biochemistry and Immunology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk 28644, Republic of Korea
| | - Kyung-A Hwang
- Laboratory of Biochemistry and Immunology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk 28644, Republic of Korea.
| | - Kyung-Chul Choi
- Laboratory of Biochemistry and Immunology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk 28644, Republic of Korea.
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30
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Yu Y, Li L, Zheng Z, Chen S, Chen E, Hu Y. Long non-coding RNA linc00261 suppresses gastric cancer progression via promoting Slug degradation. J Cell Mol Med 2016; 21:955-967. [PMID: 27878953 PMCID: PMC5387161 DOI: 10.1111/jcmm.13035] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 10/15/2016] [Indexed: 01/17/2023] Open
Abstract
Gastric cancer (GC) remains a threat to public health with high incidence and mortality worldwide. Increasing evidence demonstrates that long non‐coding RNAs (lncRNAs) play critical regulatory roles in cancer biology, including GC. Previous profiling study showed that lncRNA linc00261 was aberrantly expressed in GC. However, the role of linc00261 in GC progression and the precise molecular mechanism remain unknown. In this study, we report that linc00261 was significantly down‐regulated in GC tissues and the expression level of linc00261 negatively correlated with advanced tumour status and clinical stage as well as poor prognostic outcome. In vitro functional assays indicate that ectopic expression of linc00261 suppressed cell invasion by inhibiting the epithelial–mesenchymal transition (EMT). By RNA pull‐down and mass spectrum experiments, we identified Slug as an RNA‐binding protein that binds to linc00261. We confirmed that linc00261 down‐regulated Slug by decreasing the stability of Slug proteins and that the tumour‐suppressive function of linc00261 can be neutralized by Slug. linc00261 may promote the degradation of Slug via enhancing the interaction between GSK3β and Slug. Moreover, linc00216 overexpression repressed lung metastasis in vivo. Together, our findings suggest that linc00261 acts a tumour suppressor in GC by decreasing the stability of Slug proteins and suppressing EMT. By clarifying the mechanisms underlying GC progression, these findings may facilitate the development of novel therapeutic strategies for GC.
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Affiliation(s)
- Yingcong Yu
- Department of Gastroenterology, The Third Clinical College of Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Linjin Li
- Department of Urology Surgery, The Third Clinical College of Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Zhiqiang Zheng
- Department of General Surgery, The Second Affilated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Senrui Chen
- Department of General Surgery, The Third Clinical College of Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Ende Chen
- Department of General Surgery, The Third Clinical College of Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Yiren Hu
- Department of General Surgery, The Third Clinical College of Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
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31
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Sung WJ, Kim H, Park KK. The biological role of epithelial-mesenchymal transition in lung cancer (Review). Oncol Rep 2016; 36:1199-206. [PMID: 27460444 DOI: 10.3892/or.2016.4964] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 03/22/2016] [Indexed: 11/06/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a process whereby epithelial cells gradually transform into mesenchymal-like cells losing their epithelial functionality and characteristics. EMT is thought to be involved in the pathogenesis of numerous lung diseases ranging from developmental disorders and fibrotic tissue remodeling to lung cancer. Lung cancer is the most lethal form of cancer worldwide, and despite significant therapeutic improvements, the patient survival rate still remains low. Activation of EMT endows invasive and metastatic properties upon cancer cells that favor successful colonization of distal target organs. The present review provides a brief insight into the mechanism and biological assessment methods of EMT in lung cancer and summarizes the recent literature highlighting the controversial experimental data and conclusions.
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Affiliation(s)
- Woo Jung Sung
- Department of Pathology, Catholic University of Daegu College of Medicine, Nam-gu, Daegu 42472, Republic of Korea
| | - Hongtae Kim
- Department of Anatomy, Catholic University of Daegu College of Medicine, Nam-gu, Daegu 42472, Republic of Korea
| | - Kwan-Kyu Park
- Department of Pathology, Catholic University of Daegu College of Medicine, Nam-gu, Daegu 42472, Republic of Korea
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32
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Kwon CH, Park HJ, Choi JH, Lee JR, Kim HK, Jo HJ, Kim HS, Oh N, Song GA, Park DY. Snail and serpinA1 promote tumor progression and predict prognosis in colorectal cancer. Oncotarget 2016; 6:20312-26. [PMID: 26015410 PMCID: PMC4653007 DOI: 10.18632/oncotarget.3964] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 04/10/2015] [Indexed: 12/29/2022] Open
Abstract
The role of Snail and serpin peptidase inhibitor clade A member 1 (serpinA1) in tumorigenesis has been previously identified. However, the exact role and mechanism of these proteins in progression of colorectal cancer (CRC) are controversial. In this study, we investigated the role of Snail and serpinA1 in colorectal cancer (CRC) and examined the mechanisms through which these proteins mediate CRC progression. Immunohistochemical analysis of 528 samples from patients with CRC showed that elevated expression of Snail or serpinA1 was correlated with advanced stage, lymph node metastasis, and poor prognosis. Moreover, we detected a correlation between Snail and serpinA1 expression. Functional studies performed using the CRC cell lines DLD-1 and SW-480 showed that overexpression of Snail or serpinA1 significantly increased CRC cell invasion and migration. Conversely, knockdown of Snail or serpinA1 expression suppressed CRC cell invasion and migration. ChIP analysis revealed that Snail regulated serpinA1 by binding to its promoter. In addition, fibronectin mediated Snail and serpinA1 signaling was involved in CRC cell invasion and migration. Taken together, our data showed that Snail and serpinA1 promoted CRC progression through fibronectin. These findings suggested that Snail and serpinA1 were novel prognostic biomarkers and candidate therapeutic targets in CRC.
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Affiliation(s)
- Chae Hwa Kwon
- Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Hye Ji Park
- Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Jin Hwa Choi
- Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Ja Rang Lee
- Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Hye Kyung Kim
- Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Hong-Jae Jo
- Department of Surgery, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Hyun Sung Kim
- Department of Surgery, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Nahmgun Oh
- Department of Surgery, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Geun Am Song
- Department of Internal Medicine, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
| | - Do Youn Park
- Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, and BioMedical Research Institute, Pusan National University Hospital, Seo-Gu, Busan, Korea
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Imaoka H, Toiyama Y, Okigami M, Yasuda H, Saigusa S, Ohi M, Tanaka K, Inoue Y, Mohri Y, Kusunoki M. Circulating microRNA-203 predicts metastases, early recurrence, and poor prognosis in human gastric cancer. Gastric Cancer 2016; 19:744-53. [PMID: 26233325 DOI: 10.1007/s10120-015-0521-0] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Accepted: 07/19/2015] [Indexed: 02/07/2023]
Abstract
BACKGROUND Metastasis is a major cause of death in patients with gastric cancer (GC). MicroRNAs (miRNAs) relating to the epithelial-mesenchymal transition (EMT) control GC progression and metastasis. The aim of this study was to evaluate serum EMT-associated miRNAs for metastatic and prognostic noninvasive biomarkers in GC. METHODS In the first step of this study (preliminary experiments), we selected candidate miRNAs associated with metastasis by analyzing the expression of the miR-200 family (miR-200a, miR-200b, miR-200c, miR-141, and miR-429) and miR-203 in serum samples from stage I (n = 12) and stage IV (n = 12) GC patients. The second phase involved the independent validation of candidate miRNAs in serum specimens from 130 patients with GC and 22 controls. RESULTS Based on the preliminary experiments, miR-203 was selected as the candidate serum miRNA that was most closely associated with metastasis. Validation analysis revealed that serum miR-203 levels were significantly lower in stage IV than stage I-III GC patients. Serum miR-203 expression was significantly lower in GC patients with a higher T stage, vessel invasion, and lymph node, peritoneal, and distant metastases. Low expression of serum miR-203 was significantly associated with poor disease-free and overall survival. Multivariate analysis revealed that low serum miR-203 expression was an independent predictive marker for lymph node, peritoneal, and distant metastases and a poor prognosis in patients with GC. CONCLUSIONS Serum miR-203 has the potential to serve as a noninvasive biomarker for prognosis and to predict metastasis in patients with GC.
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Affiliation(s)
- Hiroki Imaoka
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Yuji Toiyama
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan.
| | - Masato Okigami
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Hiromi Yasuda
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Susumu Saigusa
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Masaki Ohi
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Koji Tanaka
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Yasuhiro Inoue
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Yasuhiko Mohri
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Masato Kusunoki
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
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Huang N, Wu Z, Lin L, Zhou M, Wang L, Ma H, Xia J, Bin J, Liao Y, Liao W. MiR-338-3p inhibits epithelial-mesenchymal transition in gastric cancer cells by targeting ZEB2 and MACC1/Met/Akt signaling. Oncotarget 2016; 6:15222-34. [PMID: 25945841 PMCID: PMC4558147 DOI: 10.18632/oncotarget.3835] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2014] [Accepted: 03/26/2015] [Indexed: 12/19/2022] Open
Abstract
MicroRNAs (miRNAs) are involved in the epithelial-mesenchymal transition (EMT) process and are associated with metastasis in gastric cancer (GC). MiR-338-3p has been reported to be aberrantly expressed in GC. In the present study, we show that miR-338-3p inhibited the migration and invasion of GC cells in vitro. Knocking down miR-338-3p in GC cells led to mesenchymal-like changes. MiR-338-3p influenced the expression of the EMT-associated proteins by upregulating the epithelial marker E-cadherin and downregulating the mesenchymal markers, N-cadherin, fibronectin, and vimentin. In terms of mechanism, miR-338-3p directly targeted zinc finger E-box-binding protein 2 (ZEB2) and metastasis-associated in colon cancer-1 (MACC1). MiR-338-3p repressed the Met/Akt pathway after MACC1 inhibition. Reintroduction of ZEB2 and MACC1 reversed miR-338-3p-induced EMT suppression. Consistently, inverse correlations were also observed between the expression of miR-338-3p and ZEB2 or MACC1 in human GC tissue samples. In conclusion, miR-338-3p inhibited the EMT progression in GC cells by targeting ZEB2 and MACC1/Met/Akt signaling.
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Affiliation(s)
- Na Huang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhenzhen Wu
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Li Lin
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Minyu Zhou
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lin Wang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Huanrong Ma
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jianling Xia
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jianping Bin
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yulin Liao
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wangjun Liao
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Moly PK, Cooley JR, Zeltzer SL, Yatskievych TA, Antin PB. Gastrulation EMT Is Independent of P-Cadherin Downregulation. PLoS One 2016; 11:e0153591. [PMID: 27097030 PMCID: PMC4838233 DOI: 10.1371/journal.pone.0153591] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Accepted: 03/31/2016] [Indexed: 11/24/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) is an evolutionarily conserved process during which cells lose epithelial characteristics and gain a migratory phenotype. Although downregulation of epithelial cadherins by Snail and other transcriptional repressors is generally considered a prerequisite for EMT, recent studies have challenged this view. Here we investigate the relationship between E-cadherin and P-cadherin expression and localization, Snail function and EMT during gastrulation in chicken embryos. Expression analyses show that while E-cadherin transcripts are detected in the epiblast but not in the primitive streak or mesoderm, P-cadherin mRNA and protein are present in the epiblast, primitive and mesoderm. Antibodies that specifically recognize E-cadherin are not presently available. During EMT, P-cadherin relocalizes from the lateral surfaces of epithelial epiblast cells to a circumferential distribution in emerging mesodermal cells. Cells electroporated with an E-cadherin expression construct undergo EMT and migrate into the mesoderm. An examination of Snail function showed that reduction of Slug (SNAI2) protein levels using a morpholino fails to inhibit EMT, and expression of human or chicken Snail in epiblast cells fails to induce EMT. In contrast, cells expressing the Rho inhibitor peptide C3 rapidly exit the epiblast without activating Slug or the mesoderm marker N-cadherin. Together, these experiments show that epiblast cells undergo EMT while retaining P-cadherin, and raise questions about the mechanisms of EMT regulation during avian gastrulation.
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Affiliation(s)
- Pricila K. Moly
- Department of Cellular and Molecular Medicine, University of Arizona, 1656 E. Mabel Street, P.O. Box 245217, Tucson, AZ, 85724, United States of America
| | - James R. Cooley
- Department of Cellular and Molecular Medicine, University of Arizona, 1656 E. Mabel Street, P.O. Box 245217, Tucson, AZ, 85724, United States of America
| | - Sebastian L. Zeltzer
- Department of Cellular and Molecular Medicine, University of Arizona, 1656 E. Mabel Street, P.O. Box 245217, Tucson, AZ, 85724, United States of America
| | - Tatiana A. Yatskievych
- Department of Cellular and Molecular Medicine, University of Arizona, 1656 E. Mabel Street, P.O. Box 245217, Tucson, AZ, 85724, United States of America
| | - Parker B. Antin
- Department of Cellular and Molecular Medicine, University of Arizona, 1656 E. Mabel Street, P.O. Box 245217, Tucson, AZ, 85724, United States of America
- * E-mail:
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Yan C, Yu J, Kang W, Liu Y, Ma Z, Zhou L. miR-935 suppresses gastric signet ring cell carcinoma tumorigenesis by targeting Notch1 expression. Biochem Biophys Res Commun 2015; 470:68-74. [PMID: 26742429 DOI: 10.1016/j.bbrc.2015.12.116] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Accepted: 12/26/2015] [Indexed: 01/05/2023]
Abstract
Gastric signet ring cell carcinoma (GSRCC) is a unique pathological type of gastric carcinoma that is extremely invasive and has a poor prognosis. Expression of microRNAs (miRNAs) has been closely linked to the carcinogenesis of gastric cancer and has been considered as a powerful prognostic marker. The function of miR-935 has never been reported in cancer before. We found, using microRNA array, that expression of miR-935 in GSRCC cell lines is lower than in non-GSRCC cell lines, and enhanced expression of miR-935 in GSRCC cell-lines inhibit cell proliferation, migration and invasion. We also identified Notch1 as a direct target of miR-935. Knockdown of Notch1 reduced proliferation, migration/invasion of GSRCC cells, and overexpression Notch1's activated form (Notch intracellular domain) could rescue miR-935's tumor suppressive effect on GSRCC. Expression of miR-935 was lower in gastric carcinoma tissue than in paired normal tissue samples, and lower in GSRCC than in non-GSRCC. Our results demonstrate the inverse correlation between the expression of miR-935 and Notch1 in gastric tissues. We conclude that miR-935 inhibits gastric carcinoma cell proliferation, migration and invasion by targeting Notch1, suggesting potential applications of the miR-935-Notch1 pathway in gastric cancer clinical diagnosis and therapeutics, especially in gastric signet ring cell carcinoma.
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Affiliation(s)
- Chao Yan
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100730, China
| | - Jianchun Yu
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100730, China.
| | - Weiming Kang
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100730, China
| | - Yuqin Liu
- Cell Culture Center, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100005, China
| | - Zhiqiang Ma
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100730, China
| | - Li Zhou
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100730, China
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Herrera A, Herrera M, Peña C. The emerging role of Snail1 in the tumor stroma. Clin Transl Oncol 2015; 18:872-7. [PMID: 26687368 DOI: 10.1007/s12094-015-1474-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 12/08/2015] [Indexed: 01/11/2023]
Abstract
The transcription factor Snail1 leads to the epithelial-mesenchymal transition by repressing the adherent and tight junctions in epithelial cells. This process is related to an increase of cell migratory and mesenchymal properties during both embryonic development and tumor progression. Although Snail1 expression is very limited in adult animals, emerging evidence has placed Snail at the forefront of medical science. As a transcriptional repressor, Snail1 confers cancer stem cell-like traits on tumor cells and promotes drug resistance, tumor recurrence and metastasis. In this review, we summarize recent reports that suggest the pro-tumorigenic roles of Snail1 expression in tumor stroma. The crosstalk between tumor and stromal cells mediated by Snail1 regulates paracrine communication, pro-tumorigenic abilities of cancer cells, extracellular matrix characteristics and mesenchymal differentiation in cancer stem cells and cancer-associated fibroblasts. Therefore, understanding the regulation and functional roles of Snail1 in the tumor microenvironment will provide us with new therapies for treating metastatic disease.
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Affiliation(s)
- A Herrera
- "Cancer Cell Signaling" Research Group, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain
| | - M Herrera
- "Cancer Cell Signaling" Research Group, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain
| | - C Peña
- "Cancer Cell Signaling" Research Group, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain.
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WISP-2 in human gastric cancer and its potential metastatic suppressor role in gastric cancer cells mediated by JNK and PLC-γ pathways. Br J Cancer 2015; 113:921-33. [PMID: 26291058 PMCID: PMC4578084 DOI: 10.1038/bjc.2015.285] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 07/08/2015] [Accepted: 07/11/2015] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND It has recently been shown that WISP proteins (Wnt-inducted secreted proteins), a group of intra- and extra-cellular regulatory proteins, have been implicated in the initiation and progression of a variety of tumour types including colorectal and breast cancer. However, the role of WISP proteins in gastric cancer (GC) cells and their clinical implications have not yet been elucidated. METHODS The expression of WISP molecules in a cohort of GC patients was analysed using real-time quantitative PCR and immunohistochemistry. The expression of a panel of recognised epithelial-mesenchymal transition (EMT) markers was quantified using Q-PCR in paired tumour and normal tissues. WISP-2 knockdown (kd) sublines using ribozyme transgenes were created in the GC cell lines AGS and HGC27. Subsequently, several biological functions, including cell growth, adhesion, migration and invasion, were studied. Potential pathways for the interaction of EMT, extracellular matrix and MMP were evaluated. RESULTS Overexpression of WISP-2 was detected in GC and significantly correlated with early tumour node-metastasis staging, differentiation status and positively correlated with overall survival and disease-free survival of the patients. WISP-2 expression was inversely correlated with that of Twist and Slug in paired samples. Kd of WISP-2 expression promoted the proliferation, migration and invasion of GC cells. WISP-2 suppressed GC cell metastasis through reversing EMT and suppressing the expression and activity of MMP9 and MMP2 via JNK and ERK. Cell motility analysis indicated that WISP-2 kd contributed to GC cells' motility and can be attenuated by PLC-γ and JNK small inhibitors. CONCLUSIONS Increased expression of WISP-2 in GC is positively correlated with favourable clinical features and the survival of patients with GC and is a negative regulator of growth, migration and invasion in GC cells. These findings suggest that WISP-2 is a potential tumour suppressor in GC.
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Ding G, Fang J, Tong S, Qu L, Jiang H, Ding Q, Liu J. Over-expression of lipocalin 2 promotes cell migration and invasion through activating ERK signaling to increase SLUG expression in prostate cancer. Prostate 2015; 75:957-68. [PMID: 25728945 DOI: 10.1002/pros.22978] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Accepted: 01/19/2015] [Indexed: 12/26/2022]
Abstract
BACKGROUND Metastasis is the primary cause of prostate cancer (PCa) lethality and poses a huge clinical obstacle. Lipocalin 2 (LCN2), a member of the lipocalin family, is aberrantly expressed in some human cancers and has been implicated in the progression of some tumors. However, the role of LCN2 in the metastatic capacity of prostate cancer (PCa) is poorly understood. METHODS LCN2 expression was examined by RT-qPCR and/or immunoblotting in human prostate tissue specimens and prostate cancer cell lines LNCaP, C4-2, 22RV1, PC3, DU-145, and PC3MM2. LCN2 protein level in human serum samples was determined by ELISA. Lentiviruses-mediated over-expression of LCN2 and knockdown of LCN2 was conducted to evaluate the role of LCN2 in cell migratory and invasive capacities of prostate cancer cells. Cell migration and invasion was examined by transwell chamber assay. Knockdown of SLUG by lentivirus was performed to investigate its role in LCN2-promoted cell migration and invasion in vitro (22RV1 cell line) and metastasis in vivo (tail vein metastasis assay in nude mice). Role of ERK signaling in LCN2-mediated up-regulation of SLUG was assayed by using ERK inhibitor U0126. RESULTS We confirmed that LCN2 levels were correlated positively with invasive prostate cancer in human tissue and serum samples, and were also consistently associated with the invasive capacity of prostate cancer cell lines. The over-expression of LCN2 in 22RV1 cells (not highly invasive) promoted the epithelial-mesenchymal transition (EMT), increasing cell motility and invasiveness, while the knockdown of LCN2 in PC3 cells (highly invasive) inhibited EMT, decreasing cell motility and invasiveness. Among the multiple EMT transcription factors, LCN2 specifically induces the expression of SLUG, which was shown here to be required for the LCN2-induced increase in the invasive capacity of prostate cancer cells both in vitro and in vivo. Mechanistically, LCN2 promoted SLUG expression via activating ERK signaling pathway. CONCLUSION LCN2 plays an important role in promoting cell migration and invasion of prostate cancer by inducing EMT through the ERK/SLUG axis. Therefore, targeted inhibition of LCN2 may represent a therapeutic strategy to prevent the metastasis of prostate cancer.
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Affiliation(s)
- Guanxiong Ding
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, China
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Lee J, Ha S, Jung CK, Lee HH. High-mobility-group A2 overexpression provokes a poor prognosis of gastric cancer through the epithelial-mesenchymal transition. Int J Oncol 2015; 46:2431-8. [PMID: 25845850 DOI: 10.3892/ijo.2015.2947] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Accepted: 03/19/2015] [Indexed: 11/06/2022] Open
Abstract
Tumor metastases are the ultimate target in cancer therapy. In epithelial malignancies, the expression of high-mobility-group A2 (HMGA2) is associated with disease progression and the epithelial-mesenchymal transition (EMT), which is involved in the metastatic process. The present study assessed the clinical and molecular effects of HMGA2 with the malignant tissues of 170 patients with gastric cancer and gastric cancer cells expressing HMGA2. HMGA2 expression was determined using immunohistochemistry and analyzed with respect to the clinicopathological data of patients with this tumor. In the gastric cancer cell line MKN28, in which HMGA2 was knocked down by two different short-hairpin RNAs, Transwell migration and invasion assays were conducted and western blotting was used to detect the altered expression of EMT markers. In patients with gastric cancer, HMGA2 overexpression correlated with tumor progression and was indicative of a significantly worse overall survival. Migration and invasion assays using HMGA2-knocked down MKN28 cells showed a reduction in cell migration and invasion. The upregulation of E-cadherin, an epithelial marker, and the downregulation of N-cadherin, a mesenchymal marker were observed in HMGA2-knocked down cells. In addition, expression of the transcriptional factors Snail and Zeb1 and of the EMT-pathway molecule β-catenin were decreased. HMGA2 overexpression, through its relationship to EMT, thus seems to aggravate invasion and metastasis in gastric cancer. It may therefore serve as a predictive marker in determining the clinical outcome of patients with gastric cancer and offer a promising therapeutic target.
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Affiliation(s)
- Junhyun Lee
- Division of Gastrointestinal Surgery, Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Shinjung Ha
- Division of Gastrointestinal Surgery, Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Chan-Kwon Jung
- Department of Pathology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Han Hong Lee
- Division of Gastrointestinal Surgery, Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Let-7a inhibits migration, invasion and epithelial-mesenchymal transition by targeting HMGA2 in nasopharyngeal carcinoma. J Transl Med 2015; 13:105. [PMID: 25884389 PMCID: PMC4391148 DOI: 10.1186/s12967-015-0462-8] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 03/12/2015] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Let-7a has been shown to play important roles in nasopharyngeal carcinoma (NPC) cell proliferation and apoptosis, but little is known about the function and mechanism of let-7a in nasopharyngeal carcinoma metastasis. We aimed to investigate the function and mechanism of let-7a in nasopharyngeal carcinoma metastasis and clarified the regulation of high mobility group A2 (HMGA2) by let-7a. METHODS The expression levels of let-7a and HMGA2 were examined in NPC clinical specimens using quantitative reverse transcription-PCR (RT-qPCR). HMGA2 was confirmed as a target of let-7a through luciferase reporter assays, RT-qPCR, and Western blotting. Furthermore, the roles of let-7a and HMGA2 in regulating NPC cells biological properties including proliferation, migration, invasion and epithelial-mesenchymal transition (EMT) process were analyzed with let-7a mimics and si-HMGA2 transfected cells. RESULTS Our study demonstrated that let-7a was downregulated and inversely associated with the clinical stage, T classification and N classification, and HMGA2 was upregulated and directly associated with the clinical stage and N classification in patients with NPC. Moreover, there was an inverse correlation between let-7a expression and HMGA2 expression in NPC patient. In addition, HMGA2 was negatively regulated at the posttranscriptional level by let-7a via a binding site of HMGA2-3'UTR. In addition, synthetic let-7a mimics suppressed NPC cells migration, invasion and EMT process and knockdown of HMGA2 was consistent with the effects of let-7a in NPC cells. CONCLUSION Let-7a directly downregulates HMGA2 protein expression, which suppress NPC cell migration, invasion and EMT process. Let-7a could serve as a potential diagnostic marker and therapeutic target for NPC.
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Zheng M, Jiang YP, Chen W, Li KD, Liu X, Gao SY, Feng H, Wang SS, Jiang J, Ma XR, Cen X, Tang YJ, Chen Y, Lin YF, Tang YL, Liang XH. Snail and Slug collaborate on EMT and tumor metastasis through miR-101-mediated EZH2 axis in oral tongue squamous cell carcinoma. Oncotarget 2015; 6:6797-810. [PMID: 25762643 PMCID: PMC4466650 DOI: 10.18632/oncotarget.3180] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 01/25/2015] [Indexed: 02/05/2023] Open
Abstract
microRNAs(miRNAs) can regulate epithelial-mesenchymal transition (EMT) through transcription factors, however, little is known whether EMT transcription factors can modulate miRNAs and further induce EMT and cancer metastasis. Here we show that overexpression of Snail and Slug leads to a mesenchymal phenotype and morphology and enhances cell invasion along with stem cell properties in squamous cell carcinoma of oral tongue (OTSCC) cells. Repression of miR-101 expression by Snail and Slug is essential for Snail/Slug-induced malignant phenotypes. The suppression of miR-101 subsequently activates EZH2, the sole histone methyltransferase, inducing EMT, migration and invasion of OTSCC cells. Importantly, co-overexpression of Slug and Snail correlates with poor survival and elevated EZH2 expression in two independent patient cohorts of OTSCC specimens. These findings defined a Snail and Slug/miR-101/EZH2 pathway as a novel regulatory axis of EMT-mediated-microRNA signaling.
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Affiliation(s)
- Min Zheng
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
- Department of Stomatology, Zhoushan Hospital, Zhoushan, Zhejiang 316000, People's Republic of China
| | - Ya-ping Jiang
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Wei Chen
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
- Department of Oral and Maxillofacial Surgery, Tianjin Stomatological Hospital, Tianjin 300041, People's Republic of China
| | - Kai-de Li
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Xin Liu
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Shi-yu Gao
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Hao Feng
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Sha-sha Wang
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Jian Jiang
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Xiang-rui Ma
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Xiao Cen
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Ya-jie Tang
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, People's Republic of China
| | - Yu Chen
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Yun-feng Lin
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Ya-ling Tang
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
- Department of Oral Pathology, West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
| | - Xin-hua Liang
- State Key Laboratory of Oral Diseases West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology (Sichuan University), Chengdu Sichuan 610041, People's Republic of China
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Li P, Mao X, Ren Y, Liu P. Epithelial cell polarity determinant CRB3 in cancer development. Int J Biol Sci 2015; 11:31-7. [PMID: 25552927 PMCID: PMC4278252 DOI: 10.7150/ijbs.10615] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Accepted: 10/30/2014] [Indexed: 02/06/2023] Open
Abstract
Cell polarity, which is defined as asymmetry in cell shape, organelle distribution and cell function, is essential in numerous biological processes, including cell growth, cell migration and invasion, molecular transport, and cell fate. Epithelial cell polarity is mainly regulated by three conserved polarity protein complexes, the Crumbs (CRB) complex, partitioning defective (PAR) complex and Scribble (SCRIB) complex. Research evidence has indicated that dysregulation of cell polarity proteins may play an important role in cancer development. Crumbs homolog 3 (CRB3), a member of the CRB complex, may act as a cancer suppressor in mouse kidney epithelium and mouse mammary epithelium. In this review, we focus on the current data available on the roles of CRB3 in cancer development.
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Affiliation(s)
- Pingping Li
- 1. Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University
| | - Xiaona Mao
- 1. Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University
| | - Yu Ren
- 2. Department of Surgical Oncology, the First Affiliated Hospital of Xi'an Jiaotong University
| | - Peijun Liu
- 1. Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University
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Gou Y, Ding W, Xu K, Wang H, Chen Z, Tan J, Xia G, Ding Q. Snail is an independent prognostic indicator for predicting recurrence and progression in non-muscle-invasive bladder cancer. Int Urol Nephrol 2014; 47:289-93. [PMID: 25388353 DOI: 10.1007/s11255-014-0874-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Accepted: 10/29/2014] [Indexed: 11/29/2022]
Abstract
OBJECTIVE Snail, an inducer of the epithelial-to-mesenchymal transition, increases motility and invasiveness of cancer cells by repressing E-cadherin expression. We investigate the relationship between Snail expression and clinicopathological parameters and evaluate its prognostic significance in patients with non-muscle-invasive bladder cancer (NMIBC). MATERIALS AND METHODS A total of 332 patients treated with transurethral resection of the bladder tumor between October 2002 and July 2010 were histopathologically confirmed to be NMIBC. Tumor recurrence and progression were followed up in all patients. Immunohistochemical staining of 332 slices was performed. The expression of Snail was evaluated by ICH and graded for intensity and area of staining. We correlated Snail scores with clinical and pathological variables, and association of Snail staining with tumor recurrence and progression was evaluated by univariate, multivariate analysis and Kaplan-Meier survival curves. RESULTS Of 332 patients with NMIBC, there was Snail positivity in 104 tumors (31.3 %), and Snail expression correlated with age, multifocality, carcinoma in situ, tumor stage and tumor grade (each p < 0.05, respectively). A multivariate Cox regression model revealed that Snail expression was an independent predictor of tumor recurrence [hazard ratio (HR) 1.95, p = 0.001] and progression (HR 2.34, p = 0.014) in patients with NMIBC. Kaplan-Meier estimates showed that Snail expression was significantly associated with recurrence and progression (log-rank test, p < 0.0001, respectively). CONCLUSIONS Analysis of Snail expression in 332 NMIBC tissue specimens revealed its potential usefulness as a biomarker to predict the NMIBC prognosis.
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Affiliation(s)
- Yuancheng Gou
- Department of Urology, Huashan Hospital Affiliated to Fudan University, No.12 Middle Urumqi Road, Shanghai, 200040, China
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Hotz B, Erben U, Arndt M, Buhr HJ, Hotz HG. Taurolidine induces epithelial-mesenchymal transition via up-regulation of the transcription factor Snail in human pancreatic cancer cell lines. Int J Colorectal Dis 2014; 29:1339-48. [PMID: 25179425 DOI: 10.1007/s00384-014-1998-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/10/2014] [Indexed: 02/04/2023]
Abstract
PURPOSE The taurine derivative taurolidine (TRD) exerts anti-neoplastic effects in a variety of tumor models. On the other hand, TRD at low doses was shown to reduce cell-cell adhesion, a prerequisite for metastasis. The aim of this study was to elucidate the effects of low-dose TRD on pancreatic cancer. METHODS Human pancreatic cancer cell lines representing diverse states of differentiation were exposed to TRD for 24 h. Cell viability was assessed by MTT assay and trypan blue staining, apoptosis by caspase-3/7 activity, and flow-cytometric cell cycle analysis. Expression of Snail and E-cadherin was analyzed by polymerase chain reaction and Western blotting. RESULTS MTT-tested viability of all pancreatic cancer cell lines decreased dose-dependently up to 50 % of the untreated control. In contrast to staurosporine TRD (100 and 250 μM) did not induce apoptosis but increased the percentage of cells in G1/G0 arrest. Correlation of MTT test and trypan blue staining revealed a decreased adherence of vital tumor cells at 250 μM TRD. This was associated with reduced expression of the adhesion molecule E-cadherin and an increased expression of the transcription factor Snail, a regulator of epithelial-mesenchymal transition (EMT). CONCLUSION Low-dose TRD reduces not only viability but also cell-cell adherence and E-cadherin expression of pancreatic cancer cells, whereas the expression of the EMT inducer Snail was increased. By induction of these EMT hallmarks, low-dose TRD may promote metastasis in pancreatic cancer.
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Affiliation(s)
- Birgit Hotz
- Department of Surgery I, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, Berlin, Germany
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46
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Dong H, Xie L, Tang C, Chen S, Liu Q, Zhang Q, Zheng W, Zheng Z, Zhang H. Snail1 correlates with patient outcomes in E-cadherin-preserved gastroesophageal junction adenocarcinoma. Clin Transl Oncol 2014; 16:783-91. [PMID: 24356933 DOI: 10.1007/s12094-013-1149-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2013] [Accepted: 12/02/2013] [Indexed: 02/05/2023]
Abstract
PURPOSE The poor prognosis of gastroesophageal junction (GEJ) adenocarcinoma is largely associated with metastasis. We here report the first study to investigate the expression of epithelial-mesenchymal transition (EMT) markers Snail1 and E-cadherin in GEJ adenocarcinoma. METHODS Snail1 and E-cadherin were detected by immunohistochemistry in a cohort of 128 patients with surgically resected GEJ adenocarcinoma. We assessed the pathologic and prognostic relevance in all patients and within clinically different preserved E-cadherin and reduced E-cadherin-expressing sub-groups. RESULTS Immunoreactivity for Snail1 and E-cadherin was positive in 68 and 43 % of tumors, respectively. Snail1-positive tumors had more frequent lymph node metastasis and advanced tumor stage. E-cadherin expression was highly associated with histological differentiation, tumor size, advanced stage, presence of lymph node metastasis and distant metastasis. Patients with positive E-cadherin expression or negative Snail1 expression had significantly favorable overall survival rate. In E-cadherin-preserved tumors, the expression of Snail1 was related to lymph node metastasis, advanced stage and poor patient outcome. However, Snail1 expression had no statistically significant relationship with clinicopathologic parameters or prognosis in the reduced E-cadherin-expressing sub-group. Multivariate survival analysis identified that tumor stage [hazard ratio (HR) 2.440; 95 % confidence interval (CI) 1.216-4.896; P = 0.012], lymph node metastasis (HR 2.404; 95 % CI 1.188-4.867; P = 0.015) and gender (HR 3.244; 95 % CI 1.568-6.714; P = 0.002) were independent prognostic markers for overall survival. CONCLUSIONS Snail1 may act more critically in E-cadherin-positive tumors. Evaluation of Snail1 and E-cadherin in GEJ adenocarcinoma may help in assessing malignant properties and stratifying patients.
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Affiliation(s)
- H Dong
- Cancer Research Center, Shantou University Medical College, Shantou, China
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Tania M, Khan MA, Fu J. Epithelial to mesenchymal transition inducing transcription factors and metastatic cancer. Tumour Biol 2014; 35:7335-42. [PMID: 24880591 DOI: 10.1007/s13277-014-2163-y] [Citation(s) in RCA: 201] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2014] [Accepted: 05/27/2014] [Indexed: 12/14/2022] Open
Abstract
The epithelial to mesenchymal transition (EMT) is an important step for the developmental process. Recent evidences support that EMT allows the tumor cells to acquire invasive properties and to develop metastatic growth characteristics. Some of the transcription factors, which are actively involved in EMT process, have a significant role in the EMT-metastasis linkage. A number of studies have reported that EMT-inducing transcription factors (EMT-TFs), such as Twist, Snail, Slug, and Zeb, are directly or indirectly involved in cancer cell metastasis through a different signaling cascades, including the Akt, signal transducer and activator of transcription 3 (STAT3), mitogen-activated protein kinase (MAPK) and Wnt pathways, with the ultimate consequence of the downregulation of E-cadherin and upregulation of metastatic proteins, such as N-cadherin, vimentin, matrix metalloproteinase (MMP)-2, etc. This review summarizes the update information on the association of EMT-TFs with cancer metastasis and the possible cancer therapeutics via targeting the EMT-TFs.
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Affiliation(s)
- Mousumi Tania
- Key Laboratory of Epigenetics and Oncology, The Research Center for Preclinical Medicine, Luzhou Medical College, Luzhou, 646000, Sichuan, China,
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Yang H, Zhang Y, Zhou Z, Jiang X, Shen A. Transcription factor Snai1-1 induces osteosarcoma invasion and metastasis by inhibiting E-cadherin expression. Oncol Lett 2014; 8:193-197. [PMID: 24959244 PMCID: PMC4063608 DOI: 10.3892/ol.2014.2079] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 03/04/2014] [Indexed: 11/06/2022] Open
Abstract
Osteosarcoma (OS) is a type of primary malignant bone tumor with a high propensity for local recurrence and distant metastasis. A previous study showed Snail-1 is highly expressed in OS cells. The present study aimed to investigate the association between the transcription factor Snai1 and E-cadherin in OS. SaOS2 OS cells were transfected either with a plasmid expressing short hairpin RNA (shRNA) specific for the Snai1-1 gene (SaOS2-shRNA) or a negative control plasmid (SaOS2-Mock). The expression levels of E-cadherin and Snai1-1 in the transfected and control cells were determined by quantitative polymerase chain reaction and western blot analysis. In addition, the study was extended to evaluate the migratory and invasive properties of the cells through a Transwell experiment. The results show that E-cadherin was expressed at a high level in the SaOS2-shRNA cells, which were much less migratory and invasive than the control cells. Overexpression of Snai1-1 in OS is associated with tumor progression, possibly through the suppression of E-cadherin expression and induction of the process of epithelial-mesenchymal transition, which contributes to the proceeding invasion and metastasis of OS cells.
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Affiliation(s)
- Huiguang Yang
- Department of Orthopaedics, The Affiliated Jiangyin Hospital of Southeast University Medical College, Jiangyin, Jiangsu 214400, P.R. China
| | - Yunqing Zhang
- Department of Orthopaedics, The Affiliated Jiangyin Hospital of Southeast University Medical College, Jiangyin, Jiangsu 214400, P.R. China
| | - Zhengming Zhou
- Department of Orthopaedics, The Affiliated Jiangyin Hospital of Southeast University Medical College, Jiangyin, Jiangsu 214400, P.R. China
| | - Xuefeng Jiang
- Department of Orthopaedics, The Affiliated Jiangyin Hospital of Southeast University Medical College, Jiangyin, Jiangsu 214400, P.R. China
| | - Aidong Shen
- Department of Orthopaedics, The Affiliated Jiangyin Hospital of Southeast University Medical College, Jiangyin, Jiangsu 214400, P.R. China
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Murai T, Yamada S, Fuchs BC, Fujii T, Nakayama G, Sugimoto H, Koike M, Fujiwara M, Tanabe KK, Kodera Y. Epithelial-to-mesenchymal transition predicts prognosis in clinical gastric cancer. J Surg Oncol 2014; 109:684-9. [PMID: 24453058 DOI: 10.1002/jso.23564] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Accepted: 12/18/2013] [Indexed: 11/11/2022]
Abstract
BACKGROUND Epithelial-to-mesenchymal transition (EMT) is considered to play an important role in cancer invasion and metastasis. METHODS The mRNA levels of an epithelial marker (E-cadherin), mesenchymal marker (vimentin), and Zeb-1 were measured in 11 gastric cancer cell lines. Functional analysis was performed using Zeb-1 knockdown. EMT status of 116 gastric cancer patients was determined by calculating the vimentin/E-cadherin mRNA expression ratio in cancerous tissue and the correlation between EMT status, clinicopathological factors, prognosis, and Zeb-1 were analyzed. RESULTS Cell lines were classified as epithelial or mesenchymal. Zeb-1 expression was significantly correlated with the mesenchymal phenotype. Treatment with Zeb-1 siRNA also reduced the capacity to proliferate, migrate, and invade. Patients were classified as epithelial or mesenchymal by V/E ratio (vimentin/E-cadherin ratio) and as Zeb-1 low or high expression group. The mesenchymal group was significantly associated with diffuse type cancer and stage IV. On multivariate analysis, the EMT status (mesenchymal group) was an independent prognostic factor (P = 0.022). There was a significant correlation between the V/E ratio and Zeb-1 expression (r = 0.73). Patients in Zeb-1 high group had significantly poorer survival than those in low group (P = 0.0071). CONCLUSIONS EMT is a critical prognostic factor for gastric cancer. Zeb-1 might be a promising therapeutic target.
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Affiliation(s)
- Toshifumi Murai
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, Nagoya, Japan
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Song F, Yang D, Liu B, Guo Y, Zheng H, Li L, Wang T, Yu J, Zhao Y, Niu R, Liang H, Winkler H, Zhang W, Hao X, Chen K. Integrated microRNA network analyses identify a poor-prognosis subtype of gastric cancer characterized by the miR-200 family. Clin Cancer Res 2013; 20:878-89. [PMID: 24352645 DOI: 10.1158/1078-0432.ccr-13-1844] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
PURPOSE Our aim was to investigate whether microRNAs can predict the clinical outcome of patients with gastric cancer. We used integrated analysis of microRNA and mRNA expression profiles to identify gastric cancer microRNA subtypes and their underlying regulatory scenarios. EXPERIMENTAL DESIGN MicroRNA-based gastric cancer subtypes were identified by consensus clustering analysis of microRNA profiles of 90 gastric cancer tissues. Activated pathways in the subtypes were identified by gene expression profiles. Further integrated analysis was conducted to model a microRNA regulatory network for each subtype. RNA and protein expression were analyzed by RT-PCR and tissue microarray, respectively, in a cohort of 385 gastric cancer cases (including the 90 cases for profiling) to validate the key microRNAs and targets in the network. Both in vitro and in vivo experiments were carried out to further validate the findings. RESULTS MicroRNA profiles of 90 gastric cancer cases identified two microRNA subtypes significantly associated with survival. The poor-prognosis gastric cancer microRNA subtype was characterized by overexpression of epithelial-to-mesenchymal transition (EMT) markers. This gastric cancer "mesenchymal subtype" was further validated in a patient cohort comprising 385 cases. Integrated analysis identified a key microRNA regulatory network likely driving the gastric cancer mesenchymal subtype. Three of the microRNAs (miR-200c, miR-200b, and miR-125b) targeting the most genes in the network were significantly associated with survival. Functional experiments demonstrated that miR-200b suppressed ZEB1, augmented E-cadherin, inhibited cell migration, and suppressed tumor growth in a mouse model. CONCLUSIONS We have uncovered a key microRNA regulatory network that defines the mesenchymal gastric cancer subtype significantly associated with poor overall survival in gastric cancer.
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Affiliation(s)
- Fengju Song
- Authors' Affiliations: Departments of Epidemiology and Biostatistics, Immunology, and Gastric Cancer, TMUCIH-J&J Joint Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin, National Clinical Research Center of Cancer, Tianjin Medical University Cancer Institute and Hospital; Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin, PR China; Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas; and Janssen Research and Development, a Division of Janssen Pharmaceutica, Beerse, Belgium
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