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Lu Y, Cao Y, Guo X, Gao Y, Chen X, Zhang Z, Ge Z, Chu D. Notch-Targeted Therapeutic in Colorectal Cancer by Notch1 Attenuation Via Tumor Microenvironment-Responsive Cascade DNA Delivery. Adv Healthc Mater 2024:e2400797. [PMID: 38726796 DOI: 10.1002/adhm.202400797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 05/08/2024] [Indexed: 06/04/2024]
Abstract
The Notch signaling is a key molecular pathway that regulates cell fate and development. Aberrant Notch signaling can lead to carcinogenesis and progression of malignant tumors. However, current therapies targeting Notch pathway lack specificity and induce high toxicity. In this report, a tumor microenvironment-responsive and injectable hydrogel is designed to load plasmid DNA complexes as a cascade gene delivery system to achieve precise Notch-targeted gene therapy of colorectal cancer (CRC). The hydrogels are prepared through cross-linking between phenylboric acid groups containing poly(oligo(ethylene glycol)methacrylate) (POEGMA) and epigallocatechin gallate (EGCG), used to load the complexes between plasmid DNA encoding short hairpin RNAs of Notch1 (shNotch1) and fluorinated polyamidoamine (PAMAM-F) (PAMAM-F/shNotch1). In response to low pH and H2O2 in tumor microenvironment, the hydrogel can be dissociated and release the complexes for precise delivery of shNotch1 into tumor cells and inhibit Notch1 activity to suppress malignant biological behaviors of CRC. In the subcutaneous tumor model of CRC, PAMAM-F/shNotch1-loaded hydrogels can accurately attenuate Notch1 activity and significantly inhibit tumor growth without affecting Notch signal in adjacent normal tissues. Therefore, this therapeutic system can precisely inhibit Notch1 signal in CRC with high responsiveness and low toxicity, providing a promising Notch-targeted gene therapeutic for human malignancy.
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Affiliation(s)
- Yan Lu
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Yufei Cao
- School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Xiaowen Guo
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Yijie Gao
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Xue Chen
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Zixi Zhang
- Department of Dermatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Zhishen Ge
- School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Dake Chu
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
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2
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Emam O, Wasfey EF, Hamdy NM. Notch-associated lncRNAs profiling circuiting epigenetic modification in colorectal cancer. Cancer Cell Int 2022; 22:316. [PMID: 36229883 PMCID: PMC9558410 DOI: 10.1186/s12935-022-02736-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/28/2022] [Indexed: 11/15/2022] Open
Abstract
Background Colorectal cancer (CRC) is one of the most prevalent digestive cancers, ranking the 2nd cause of cancer-related fatality worldwide. The worldwide burden of CRC is predicted to rise by 60% by 2030. Environmental factors drive, first, inflammation and hence, cancer incidence increase. Main The Notch-signaling system is an evolutionarily conserved cascade, has role in the biological normal developmental processes as well as malignancies. Long non-coding RNAs (LncRNAs) have become major contributors in the advancement of cancer by serving as signal pathways regulators. They can control gene expression through post-translational changes, interactions with micro-RNAs or down-stream effector proteins. Recent emerging evidence has emphasized the role of lncRNAs in controlling Notch-signaling activity, regulating development of several cancers including CRC. Conclusion Notch-associated lncRNAs might be useful prognostic biomarkers or promising potential therapeutic targets for CRC treatment. Therefore, here-in we will focus on the role of “Notch-associated lncRNAs in CRC” highlighting “the impact of Notch-associated lncRNAs as player for cancer induction and/or progression.” Graphical Abstract ![]()
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Affiliation(s)
| | - Eman F Wasfey
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, 11566, Egypt
| | - Nadia M Hamdy
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, 11566, Egypt.
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3
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Hashemi M, Hasani S, Hajimazdarany S, Mirmazloomi SR, Makvandy S, Zabihi A, Goldoost Y, Gholinia N, Kakavand A, Tavakolpournegari A, Salimimoghadam S, Nabavi N, Zarrabi A, Taheriazam A, Entezari M, Hushmandi K. Non-coding RNAs targeting notch signaling pathway in cancer: From proliferation to cancer therapy resistance. Int J Biol Macromol 2022; 222:1151-1167. [DOI: 10.1016/j.ijbiomac.2022.09.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 09/22/2022] [Indexed: 11/26/2022]
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4
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Scheurlen KM, Chariker JH, Kanaan Z, Littlefield AB, George JB, Seraphine C, Rochet A, Rouchka EC, Galandiuk S. The NOTCH4-GATA4-IRG1 axis as a novel target in early-onset colorectal cancer. Cytokine Growth Factor Rev 2022; 67:25-34. [DOI: 10.1016/j.cytogfr.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 06/27/2022] [Indexed: 11/24/2022]
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5
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Fayyaz F, Yazdanpanah N, Rezaei N. Cytokine-induced killer cells mediated pathways in the treatment of colorectal cancer. Cell Commun Signal 2022; 20:41. [PMID: 35346234 PMCID: PMC8962105 DOI: 10.1186/s12964-022-00836-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/29/2022] [Indexed: 11/10/2022] Open
Abstract
AbstractCytokine-induced killer (CIK) cell therapy is a type of adoptive immunotherapy that due to its high proliferation rate and anti-tumor characteristics, is being investigated to treat various solid tumors. Since advanced colorectal cancer (CRC) has high mortality and poor survival rates, and the efficacy of chemotherapy and radiotherapy is limited in treatment, the application of CIK cell therapy in CRC has been evaluated in numerous studies. This review aims to summarize the clinical studies that investigated the safety and clinical efficacy of CIK cell therapy in CRC. Therefore, 1,969 enrolled CRC patients in the clinical trials, of which 842 patients received CIK cells in combination with chemotherapy with or without dendritic cell (DC) infusions, were included in the present review. Furthermore, the signaling pathways involved in CIK cell therapy and novel methods for improving migration abilities are discussed.
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6
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Abdelrahman AE, El-Azony A, Elsebai E, Ibrahim HM. Prognostic Impact of LGR5, Prox1, and Notch1 Biomarkers in Stage II to III Colon Cancer. Appl Immunohistochem Mol Morphol 2022; 30:126-135. [PMID: 34657081 DOI: 10.1097/pai.0000000000000983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 09/14/2021] [Indexed: 11/26/2022]
Abstract
The potentiation and activation of Wnt signaling pathways are now assumed to mediate the self-renewal and proliferation of colon cancer stem cells that are responsible for therapeutic resistance, tumor relapse, and metastasis. We aimed to evaluate LGR5, Prox1, and Notch1 immunohistochemical expression in stage II to III colon cancer. Their predictive role of tumor relapse, overall survival, and disease-free survival was statistically analyzed. Our results revealed that high LGR5 expression was identified in 56.7% of the patients, LGR5 expression was significantly associated with left-sided tumors (P<0.001). Moreover, its expression was significantly associated with the unfavorable tumor characteristics including high grade, deep invasion (pT), lymph node metastasis, and advanced tumor stage (P<0.001 for each). High Prox1 expression was observed in 65% of the cases, and its expression was significantly associated with tumor grade, lymph node metastasis, and the advanced tumor stage (P=0.004, 0.009, 0.016, respectively). Positive Notch1 expression was identified in 35% of patients, and it was inversely associated with high grade lymph node metastasis, deep invasion (pT), and advanced tumor stage (P<0.001 for each). During the follow-up period, the tumor relapse was significantly associated with high LGR5, high Prox1, and negative Notch1 expression. Shorter overall survival and disease-free survival were significantly associated with high LGR5, high Prox1, and negative Notch1 expression. High LGR5, high Prox1, and negative Notch1 expression are unfavorable prognostic factors in colon cancer. Prox1 is a crucial regulator of Notch-independent LGR5+ stem cells that is mostly responsible for relapse and therapeutic resistance in stage II to III colon cancer.
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Affiliation(s)
| | - Ahmed El-Azony
- Clinical Oncology and Nuclear Medicine, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Eman Elsebai
- Clinical Oncology and Nuclear Medicine, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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7
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Varga J, Nicolas A, Petrocelli V, Pesic M, Mahmoud A, Michels BE, Etlioglu E, Yepes D, Häupl B, Ziegler PK, Bankov K, Wild PJ, Wanninger S, Medyouf H, Farin HF, Tejpar S, Oellerich T, Ruland J, Siebel CW, Greten FR. AKT-dependent NOTCH3 activation drives tumor progression in a model of mesenchymal colorectal cancer. J Exp Med 2021; 217:151998. [PMID: 32749453 PMCID: PMC7537393 DOI: 10.1084/jem.20191515] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 03/26/2020] [Accepted: 06/05/2020] [Indexed: 01/15/2023] Open
Abstract
Recently, a transcriptome-based consensus molecular subtype (CMS) classification of colorectal cancer (CRC) has been established, which may ultimately help to individualize CRC therapy. However, the lack of animal models that faithfully recapitulate the different molecular subtypes impedes adequate preclinical testing of stratified therapeutic concepts. Here, we demonstrate that constitutive AKT activation in intestinal epithelial cells markedly enhances tumor invasion and metastasis in Trp53ΔIEC mice (Trp53ΔIECAktE17K) upon challenge with the carcinogen azoxymethane. Gene-expression profiling indicates that Trp53ΔIECAktE17K tumors resemble the human mesenchymal colorectal cancer subtype (CMS4), which is characterized by the poorest survival rate among the four CMSs. Trp53ΔIECAktE17K tumor cells are characterized by Notch3 up-regulation, and treatment of Trp53ΔIECAktE17K mice with a NOTCH3-inhibiting antibody reduces invasion and metastasis. In CRC patients, NOTCH3 expression correlates positively with tumor grading and the presence of lymph node as well as distant metastases and is specifically up-regulated in CMS4 tumors. Therefore, we suggest NOTCH3 as a putative target for advanced CMS4 CRC patients.
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Affiliation(s)
- Julia Varga
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany
| | - Adele Nicolas
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany
| | - Valentina Petrocelli
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany
| | - Marina Pesic
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany
| | - Abdelrahman Mahmoud
- German Cancer Research Center, Division of Applied Bioinformatics, Heidelberg, Germany.,Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Birgitta E Michels
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,German Cancer Consortium and German Cancer Research Center, Heidelberg, Germany
| | - Emre Etlioglu
- Digestive Oncology Unit, Department of Oncology, University Hospital Leuven, Leuven, Belgium
| | - Diego Yepes
- German Cancer Consortium and German Cancer Research Center, Heidelberg, Germany.,Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Frankfurt/Main, Germany
| | - Björn Häupl
- Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany.,German Cancer Consortium and German Cancer Research Center, Heidelberg, Germany.,Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Frankfurt/Main, Germany
| | - Paul K Ziegler
- Dr. Senckenberg Institute of Pathology, University Hospital Frankfurt, Frankfurt/Main, Germany
| | - Katrin Bankov
- Dr. Senckenberg Institute of Pathology, University Hospital Frankfurt, Frankfurt/Main, Germany
| | - Peter J Wild
- Dr. Senckenberg Institute of Pathology, University Hospital Frankfurt, Frankfurt/Main, Germany
| | - Stefan Wanninger
- Institute of Clinical Chemistry and Pathobiochemistry, Technical University of Munich School of Medicine, Technical University of Munich, Munich, Germany
| | - Hind Medyouf
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany
| | - Henner F Farin
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany.,German Cancer Consortium and German Cancer Research Center, Heidelberg, Germany
| | - Sabine Tejpar
- Digestive Oncology Unit, Department of Oncology, University Hospital Leuven, Leuven, Belgium
| | - Thomas Oellerich
- Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany.,German Cancer Consortium and German Cancer Research Center, Heidelberg, Germany.,Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Frankfurt/Main, Germany
| | - Jürgen Ruland
- German Cancer Consortium and German Cancer Research Center, Heidelberg, Germany.,Institute of Clinical Chemistry and Pathobiochemistry, Technical University of Munich School of Medicine, Technical University of Munich, Munich, Germany
| | | | - Florian R Greten
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Frankfurt/Main, Germany.,Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt/Main, Germany.,German Cancer Consortium and German Cancer Research Center, Heidelberg, Germany
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8
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Cui Y, Li Q, Li W, Wang Y, Lv F, Shi X, Tang Z, Shen Z, Hou Y, Zhang H, Mao B, Liu T. NOTCH3 is a Prognostic Factor and Is Correlated With Immune Tolerance in Gastric Cancer. Front Oncol 2021; 10:574937. [PMID: 33479597 PMCID: PMC7814877 DOI: 10.3389/fonc.2020.574937] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 11/13/2020] [Indexed: 12/28/2022] Open
Abstract
Introduction Although traditional treatments confer survival benefits to patients with gastric cancer (GC), many patients experience relapse soon after postoperative adjuvant therapy. Immune-related mechanisms play an important role in GC, and immunotherapeutic strategies are considered to be a promising direction for the treatment of GC. Thus, our study aimed to investigate the expression and prognostic significance of immune-related genes in GC. Methods Formalin-fixed, paraffin-embedded samples were collected from 48 resectable GC patients. The transcriptome data of the tumor immune microenvironment were assessed using an immuno-oncology 395-gene panel RNA sequencing platform. The prognostic value of the 395 genes was analyzed and validated in the KM plotter and GEPIA databases. The data from The Cancer Genome Atlas (TCGA, downloaded from UCSC Xena repository) and Tumor IMmune Estimation Resource (TIMER) were used to evaluate the correlations between prognostic factors and immune signatures. Results Among the 395 genes, NOTCH3 was identified as a good prognostic factor for GC patients. Its prognostic value was also suggested in both our GC cohort from Zhongshan Hospital and the public databases (KM plotter and GEPIA database). Mechanistically, high NOTCH3 expression correlated with a lower infiltration of activated CD8+ T cells and a higher infiltration of immunosuppressive cells including Tregs and M2 macrophages in the tumor microenvironment. Moreover, high NOTCH3 expression was accompanied by the increased expression of a series of immune checkpoint inhibitors, resulting in a dampened immune response. Interestingly, NOTCH3 expression had a negative association with well-documented predictive biomarkers of immune checkpoint blockade (ICB) immunotherapy, including tumor mutation burden (TMB), gene expression profiling (GEP) score and innate anti-PD-1 resistance (IPRES) signature. Conclusion These findings uncovered a new mechanism by which NOTCH3 participates in the immune tolerance of GC, implying the potential of NOTCH3 as a therapeutic target or predictive marker for GC patients.
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Affiliation(s)
- Yuehong Cui
- Department of Medical Oncology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qian Li
- Department of Medical Oncology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wei Li
- Department of Medical Oncology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yan Wang
- Department of Medical Oncology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Fang Lv
- Medical Department, Beijing Genecast Biotechnology Co., Beijing, China
| | - Xinying Shi
- Medical Department, Beijing Genecast Biotechnology Co., Beijing, China
| | - Zhaoqing Tang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhenbin Shen
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yingyong Hou
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Henghui Zhang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Beibei Mao
- Medical Department, Beijing Genecast Biotechnology Co., Beijing, China
| | - Tianshu Liu
- Department of Medical Oncology, Zhongshan Hospital, Fudan University, Shanghai, China
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9
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Hu W, Wu C, Yuan C, Chen M, Jin C, Zheng C. Ethanol Extracted from Radix of Actinidia Chinensis Inhibits Human Colon Tumor Through Inhibiting Notch-signaling Pathway. J Cancer 2021; 12:622-629. [PMID: 33403022 PMCID: PMC7778551 DOI: 10.7150/jca.51275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/30/2020] [Indexed: 02/06/2023] Open
Abstract
Background: Colorectal cancer (CRC) is one of the most common tumors, and its five-year survival is still very low despite of the advance of treatment strategies. The antitumor effect of ethanol extracted from radix of Actinidia chinensis (EERAC) were identified in human colon cancer cells, but the underlying mechanism remains unclear. Methods: Cell proliferation, migration, and invasion were measured with cell counting kit-8 (CCK-8), wound healing, and transwell assays. Cell apoptosis and cycle were detected by flow cytometry. Western blotting and qRT-PCR were used to measure expression of target molecules. Xenograft tumor assay was applied to detect the influence of EERAC on tumor growth. Results: we found that EERAC inhibited the cell viability, migration, and invasion of SW480 cells in a concentration dependent manner, but promoted apoptosis and the cell percentage in S phase significantly. The suppression of notch-signaling pathway molecules, Notch1, Jagged1, and c-Myc, by EERAC was confirmed using western blotting and immunohistochemical staining. The significant inhibition of tumor growth by EERAC was also observed. Meanwhile, EERAC remarkably reversed the effects of mastermind like transcriptional coactivator 1 (MAML1, activator of notch-signaling pathway) on cell survival of SW480. Conclusions: EERAC might be a promising chemotherapeutic agent for CRC treatment.
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Affiliation(s)
- Wanle Hu
- Department of Coloproctology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No 109 Xueyuan Western Road, Wenzhou, Zhejiang Province, 325027, P.R. China
| | - Chenchen Wu
- Department of Coloproctology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No 109 Xueyuan Western Road, Wenzhou, Zhejiang Province, 325027, P.R. China
| | - Chenchen Yuan
- Department of Coloproctology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No 109 Xueyuan Western Road, Wenzhou, Zhejiang Province, 325027, P.R. China
| | - Minyuan Chen
- Department of Coloproctology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No 109 Xueyuan Western Road, Wenzhou, Zhejiang Province, 325027, P.R. China
| | - Chun Jin
- Department of Coloproctology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No 109 Xueyuan Western Road, Wenzhou, Zhejiang Province, 325027, P.R. China
| | - Chenguo Zheng
- Department of Coloproctology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No 109 Xueyuan Western Road, Wenzhou, Zhejiang Province, 325027, P.R. China
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10
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The clinical significance of Notch1 immunoexpression in Caucasian patients with colorectal adenocarcinoma. GASTROENTEROLOGY REVIEW 2020; 15:314-322. [PMID: 33777271 PMCID: PMC7988833 DOI: 10.5114/pg.2020.101560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 11/22/2019] [Indexed: 12/19/2022]
Abstract
Introduction Colorectal cancer (CRC) is traditionally regarded as the most commonly diagnosed gastrointestinal malignant disease. Nevertheless, despite advances in diagnosis and novel therapeutic options, the clinical outcomes of patients are still not satisfactory. Aim To investigate the clinicopathological and prognostic roles of Notch1 expression, the immunohistochemical investigation was performed in samples of CRC tumour tissues, adjacent non-pathological mucosa, and metastatic foci in regional lymph nodes in Caucasian patients. Material and methods Paraffin-embedded adenocarcinoma samples were assessed immunohistochemically for Notch1 protein and scored according to the percentage of cells with a positive reaction combined with staining intensity. Connections between Notch1 immunoexpression and clinicopathological factors including the 5-year overall survival (OS) were evaluated. Results The level of the Notch1 immunohistochemical reactivity was correlated with the grade of the histological differentiation, size of the primary tumour, regional lymph node involvement, and perineural invasion (all p < 0.001). Kaplan-Meier survival analysis showed that the survival time for patients with a low expression of Notch1 was significantly longer than that for patients with moderate or strong level of Notch1 immunoreactivity (p < 0.001). Conclusions The enhanced level of Notch1 immunoexpression was significantly associated with malignancy-related clinicopathological factors and reduced the 5-year overall survival in CRC patients.
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11
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Wang F, Long J, Li L, Zhao ZB, Wei F, Yao Y, Qiu WJ, Wu ZX, Luo QQ, Liu W, Quan YB, Lian ZX, Cao J. Mutations in the notch signalling pathway are associated with enhanced anti-tumour immunity in colorectal cancer. J Cell Mol Med 2020; 24:12176-12187. [PMID: 32924269 PMCID: PMC7579712 DOI: 10.1111/jcmm.15867] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 08/20/2020] [Accepted: 08/25/2020] [Indexed: 12/24/2022] Open
Abstract
The Notch signalling pathway is involved in the development of several cancers, including colorectal cancer (CRC). However, whether mutations in this pathway could alter the CRC immunophenotype remains unknown. Here, we investigated the relationship between Notch signalling pathway mutations and the tumour immune microenvironment by analysing gene expression data from the GSE108989 single T cell RNA sequencing data set and The Cancer Genome Atlas (TCGA) data set. We found that Notch signalling pathway mutations were associated with an increased number of tumour-specific CD8+ T cells and decreased number of inhibitory regulatory T (Treg) cells, representing an enhanced anti-tumour response in the GSE108989 data set. In TCGA data set, we also found that Notch signalling pathway mutations were associated with enrichment of genes associated with immune activation pathways and higher expressions of PDCD1, GZMB and PRF1. Although Notch signalling pathway mutations did not affect the overall survival and disease-free survival of CRC patients, they were associated with earlier disease stages and lower rates of metastasis. These results demonstrated that Notch signalling pathway mutations can enhance anti-tumour immunity in CRC, as validated by the two data sets, suggesting that they may be promising biomarkers for immune checkpoint blockade therapies for CRC patients.
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Affiliation(s)
- Fei Wang
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Jie Long
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.,Chronic Disease Laboratory, Institutes for Life Sciences, South China University of Technology, Guangzhou, China.,Institute of Immunology and School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Liang Li
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.,Chronic Disease Laboratory, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Zhi-Bin Zhao
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.,Chronic Disease Laboratory, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Fang Wei
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Yuan Yao
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Wen-Jing Qiu
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Zi-Xin Wu
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Qing-Qing Luo
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Wei Liu
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yi-Bo Quan
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Zhe-Xiong Lian
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.,Chronic Disease Laboratory, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Jie Cao
- Department of General Surgery, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
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12
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The Novel Notch-induced Long Noncoding RNA LUNAR1 Determines the Proliferation and Prognosis of Colorectal Cancer. Sci Rep 2019; 9:19915. [PMID: 31882986 PMCID: PMC6934546 DOI: 10.1038/s41598-019-56536-2] [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: 04/11/2019] [Accepted: 12/10/2019] [Indexed: 12/23/2022] Open
Abstract
In contrast to what is known about the complicated roles of Notch signalling in human malignancies, the direct target genes of Notch signalling are still unclear. Recently, long noncoding RNAs (lncRNAs) have been found to play various roles in the post-transcriptional regulation of gene expression. In the present study, we investigated the potential role of the Notch-induced lncRNA LUNAR1 in colorectal cancer (CRC). We recruited 196 cases of clinical CRC specimens and investigated LUNAR1 levels in these specimens. The associations of LUNAR1 with tumour aggressiveness and clinical outcomes were evaluated. Moreover, the impact of LUNAR1 on the malignant behaviour of tumour cells was tested in cell lines. Significantly increased expression of LUNAR1 in clinical CRC specimens was detected compared with that in matching normal tissues. LUNAR1 expression in CRC was found to be associated with the tumour aggressiveness, disease-free survival and overall survival of patients. The downregulation of LUNAR1 in SW620 cells inhibited cell proliferation, migration, invasion and tumour growth while inducing apoptosis. Moreover, the inhibition of LUNAR1 can significantly suppress IGF1 signalling in CRC. These results indicated that LUNAR1 was increased in CRC and might promote tumour progression. Thus, LUNAR1 may constitute a promising prognostic marker for the clinical management of CRC.
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13
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Inflammation-induced colon cancer in uPA-deficient mice is associated with a deregulated expression of Notch signaling pathway components. Mol Cell Biochem 2019; 464:181-191. [PMID: 31758376 DOI: 10.1007/s11010-019-03659-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 11/16/2019] [Indexed: 12/14/2022]
Abstract
Notch is an evolutionarily conserved signaling pathway with an important role in development and cell fate determination. Deregulation of Notch signaling has been associated with several pathological conditions, including cancer. Acting as an oncogene in some types of cancers and as a tumor suppressor in other, Notch effects seem to be highly context-dependent in solid tumors. In the present study, we aimed to investigate gene expression levels of Notch pathway constituents, including ligands, receptors, and target genes, during the early stages of inflammation-associated intestinal carcinogenesis. To achieve so, we used our recently developed mouse model, in which colon cancer arises in the absence of urokinase-type plasminogen activator (uPA) due to colitis induced by dextran sodium sulfate (DSS) treatment. Among the cell surface components, ligands Jag1/Jag2 and receptors Notch1/Notch2 were found to be significantly upregulated in the uPA-deficient protumorigenic inflammatory microenvironment. Moreover, several intracellular Notch modulators, i.e. Hes1, Hey1, and Klf4, were also shown to be deregulated with inflammation, yet irrespective of uPA status. Sox9 transcription factor, however, was significantly downregulated in the uPA-deficient/DSS-treated mice that developed colon adenomas as compared to the wild-type/DSS-treated group with no neoplasia identified. The latter finding supports a tumor suppressive role of Sox9 in intestinal carcinogenesis. Our results point towards an early activation of Notch signaling pathway at the receptor-ligand level in inflammation-associated colon neoplasmatogenesis developed in the absence of uPA. Interestingly, such activation may not be accompanied by deregulation of downstream Notch-target genes, possibly due to the effects of other inter-related signaling pathways.
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14
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Lu L, Liu S, Dong Q, Xin Y. Salidroside suppresses the metastasis of hepatocellular carcinoma cells by inhibiting the activation of the Notch1 signaling pathway. Mol Med Rep 2019; 19:4964-4972. [PMID: 30942419 DOI: 10.3892/mmr.2019.10115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 03/26/2019] [Indexed: 11/06/2022] Open
Abstract
Salidroside (SDS) is a phenylpropanoid glycoside isolated from Rhodiola rosea L. It exhibits multiple pharmacological properties in clinical medicine and has been commonly used in traditional Chinese medicine. The present study investigated the inhibitory effects of SDS on tumor invasion and migration, and the expression of metastasis‑related genes in highly metastatic hepatocellular carcinoma (HCC) cells (MHCC97H) in vitro. The underlying mechanisms of SDS on the tumor metastasis were also explored. SDS was found to significantly reduce wound closure areas and inhibit cell migration. In addition, SDS markedly inhibited the invasion of these cells into Matrigel‑coated membranes. SDS markedly downregulated the expression of Notch1, Snail, COX‑2, MMP‑2, MMP‑9 genes and upregulated the expression of E‑cadherin in a dose‑dependent manner. Furthermore, SDS inhibited the expression of the Notch signaling target genes, Hey1, Hes1 and Hes5. On the whole, the findings of this study suggest that SDS inhibits HCC cell metastasis by modulating the activity of the Notch1 signaling pathway.
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Affiliation(s)
- Linlin Lu
- Department of Clinical Medicine, Qingdao University, Qingdao University Hospital, Qingdao, Shandong 266003, P.R. China
| | - Shousheng Liu
- Central Laboratories, Qingdao Municipal Hospital, Qingdao, Shandong 266071, P.R. China
| | - Quanjiang Dong
- Central Laboratories, Qingdao Municipal Hospital, Qingdao, Shandong 266071, P.R. China
| | - Yongning Xin
- Digestive Disease Key Laboratory of Qingdao, Qingdao, Shandong 266071, P.R. China
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15
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Hany H, Shalaby A, Al Kashef W, Kandil W, Shahin RA, El-Alfy H, Besheer T, Farag R, Mohamed M. Evaluation of the role of Notch1 expression in hepatic carcinogenesis with clinico-pathological correlation. Pathology 2018; 50:730-736. [PMID: 30389219 DOI: 10.1016/j.pathol.2018.08.007] [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: 04/06/2018] [Revised: 08/14/2018] [Accepted: 08/22/2018] [Indexed: 02/07/2023]
Abstract
The role of Notch pathway in hepatocarcinogenesis is unclear with conflicting results reported from different researchers. This study aimed to investigate the exact role of Notch1 in hepatocarcinogenesis and its influence on survival and to determine the possibility of it being a target therapy. Differential immunohistochemical expression of Notch1 in 100 cases of hepatocellular carcinoma (HCC) and adjacent non-neoplastic liver tissue was performed. The results showed that expression of Notch1 was significantly higher in the non-neoplastic hepatic tissues than in HCC tissues (p < 0.001), but there was no significant difference in Notch1 expression between cirrhotic and non-cirrhotic liver tissue (p = 0.197). Notch1 expression was higher in low grade than in high grade HCC (p = 0.036). Notch1 expression showed reverse correlation with mitotic count (p = 0.008), and necrosis (p = 0.005). The disease free survival was shorter in patients displaying low levels of Notch1 expression (p = 0.045). The overall survival showed no significant difference between high and low levels of Notch1 expression; however, it was somewhat longer in patients with high Notch1 expression (p = 0.220). In conclusion, the tumour suppressor role of Notch1 was supported and the use of Notch1 agonists may have a role in improving the prognosis of HCC.
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Affiliation(s)
- Heba Hany
- Pathology Department, College of Medicine, Mansoura University, Mansoura, Egypt
| | - Asem Shalaby
- Pathology Department, College of Medicine, Mansoura University, Mansoura, Egypt; Pathology Department, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman.
| | - Wagdi Al Kashef
- Pathology Department, College of Medicine, Mansoura University, Mansoura, Egypt
| | - Wageha Kandil
- Pathology Department, College of Medicine, Mansoura University, Mansoura, Egypt
| | - Rehab-Allah Shahin
- Pathology Department, College of Medicine, Mansoura University, Mansoura, Egypt
| | - Hatem El-Alfy
- Tropical Disease Department, Mansoura University Hospital, Mansoura University, Mansoura, Egypt
| | - Tarek Besheer
- Tropical Disease Department, Mansoura University Hospital, Mansoura University, Mansoura, Egypt
| | - Raghda Farag
- Tropical Disease Department, Mansoura University Hospital, Mansoura University, Mansoura, Egypt
| | - Mie Mohamed
- Pathology Department, College of Medicine, Mansoura University, Mansoura, Egypt
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16
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Sunakawa Y, Mogushi K, Lenz HJ, Zhang W, Tsuji A, Takahashi T, Denda T, Shimada K, Kochi M, Nakamura M, Kotaka M, Segawa Y, Tanioka H, Negoro Y, Moran M, Astrow SH, Hsiang J, Stephens C, Fujii M, Ichikawa W. Tumor Sidedness and Enriched Gene Groups for Efficacy of First-line Cetuximab Treatment in Metastatic Colorectal Cancer. Mol Cancer Ther 2018; 17:2788-2795. [PMID: 30275242 DOI: 10.1158/1535-7163.mct-18-0694] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/15/2018] [Accepted: 09/26/2018] [Indexed: 02/07/2023]
Abstract
Molecular differences in tumor locations may contribute to the sidedness-specific response to cetuximab in metastatic colorectal cancer (mCRC). We investigated genes associated with the response to cetuximab treatment depending on tumor sidedness. Our study included 77 patients with mCRC (13/63, right/left) with KRAS exon 2 wild-type tumors from phase II trials of first-line therapy with cetuximab. Expression levels of 2,551 genes were measured in tissue samples by HTG EdgeSeq Oncology Biomarker Panel. Univariate Cox regression analysis using log2 values of counts per million (CPM) was conducted in each sidedness to assess associations with clinical outcomes, and to define the optimal cut-off point for clinically significant genes. In addition, a gene set enrichment analysis (GSEA) was performed to identify significant gene pathways in each sidedness. Sixty-nine patients were assessable for gene expression data. Overexpression of BECN1 [log2(CPM) ≥ 6.8] was associated with favorable survival, regardless of tumor sidedness. High expression of NOTCH1 [log2(CPM) ≥ 7.5] predicted significantly longer progression-free survival (PFS; median 14.7 vs. 11.1 months, HR 0.43, P = 0.01) and overall survival (OS; median 42.8 vs. 26.5 months, HR 0.35, P = 0.01) in left side but not in right side. The GSEA showed that regulation of DNA replication gene set correlated with favorable survival in the left, whereas the subcellular component and leukocyte migration gene sets were associated with good survival in the right. In conclusion, genes contributing to the efficacy of cetuximab treatment may differ according to the sidedness in mCRC. NOTCH1 may potentially discriminate favorable responders to cetuximab in patients with left-sided tumors.
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Affiliation(s)
- Yu Sunakawa
- Department of Clinical Oncology, St. Marianna University School of Medicine, Miyamae-ku, Kawasaki, Kanagawa, Japan.
| | - Kaoru Mogushi
- Diagnostics and Therapeutics of Intractable Diseases, Intractable Disease Research Center, Juntendo University Graduate School, Tokyo, Japan
| | - Heinz-Josef Lenz
- Division of Medical Oncology, Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California
| | - Wu Zhang
- Division of Medical Oncology, Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California
| | - Akihito Tsuji
- Department of Clinical Oncology, Kagawa University Faculty of Medicine Cancer Center, Kagawa University Hospital, Kita, Kagawa, Japan
| | - Takehiro Takahashi
- Division of Medical Oncology, Showa University Fujigaoka Hospital, Yokohama, Kanagawa, Japan
| | - Tadamichi Denda
- Division of Gastroenterology, Chiba Cancer Center, Chuo, Chiba, Japan
| | - Ken Shimada
- Division of Medical Oncology, Department of Internal Medicine, Showa University Koto Toyosu Hospital, Koto, Tokyo, Japan
| | - Mitsugu Kochi
- Department of Digestive Surgery, Nihon University School of Medicine, Itabashi, Tokyo, Japan
| | - Masato Nakamura
- Aizawa Comprehensive Cancer Center, Aizawa Hospital, Matsumoto, Nagano, Japan
| | - Masahito Kotaka
- Gastrointestinal Cancer Center, Sano Hospital, Kobe, Hyogo, Japan
| | - Yoshihiko Segawa
- Department of Medical Oncology, International Medical Center, Saitama Medical University, Saitama, Hidaka, Japan
| | - Hiroaki Tanioka
- Department of Clinical Oncology, Kawasaki Medical School, Kurashiki City, Okayama, Japan
| | - Yuji Negoro
- Department of Gastroenterology, Kochi Health Sciences Center, Kochi, Japan
| | - Miriana Moran
- R&D and Pharmaceutical Services, Cancer Genetics, Inc., Los Angeles, California
| | | | - Jack Hsiang
- R&D and Pharmaceutical Services, Cancer Genetics, Inc., Los Angeles, California
| | - Craig Stephens
- R&D and Pharmaceutical Services, Cancer Genetics, Inc., Los Angeles, California
| | - Masashi Fujii
- Department of Digestive Surgery, Nihon University School of Medicine, Itabashi, Tokyo, Japan
| | - Wataru Ichikawa
- Division of Medical Oncology, Showa University Fujigaoka Hospital, Yokohama, Kanagawa, Japan
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17
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Zhang W, Chen H, Sun Z, Qiu C, Xiao J, Luo W, Liu D, Yan Z, Ou H, Wen X, Li G, Huang G. A systematic analysis of the association between Notch1 expression and the patients with digestive tract cancers. Biomark Med 2018; 12:1049-1062. [PMID: 30043645 DOI: 10.2217/bmm-2017-0429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
AIM Notch1 expression remains controversial on digestive tract cancers. This meta-analysis was performed to assess the clinicopathological significance of Notch1 expression in individuals with digestive tract cancers, mainly involving esophageal squamous cell carcinoma (ESCC), gastric cancer (GC), pancreatic cancer (PC) and colorectal cancer (CRC). METHODS Available articles were searched from the online databases, and the meta-analysis was done using Review Manager software 5.3. RESULTS 35 studies were included in this analysis (6187 samples). Notch1 is downregulated in esophageal squamous cell carcinoma (p < 0.00001), Notch1 expression at high levels was detected in GC (p = 0.02) and CRC (p < 0.001), and no significant difference exists between PC and normal tissue (p = 0.76). CONCLUSION Notch1 overexpression in GC and CRC suggested aggressive biological behaviors, and Notch1 may be a biomarker in digestive tract cancers.
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Affiliation(s)
- Wei Zhang
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Hong Chen
- The First Hospital of Qiqihaer City, Qiqihaer, Heilongjiang, 161005, PR China
| | - Zhihui Sun
- The First Hospital of Qiqihaer City, Qiqihaer, Heilongjiang, 161005, PR China
| | - Chengyu Qiu
- The First Hospital of Qiqihaer City, Qiqihaer, Heilongjiang, 161005, PR China
| | - Jingjie Xiao
- Department of Physiology Medicine School of Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Wenli Luo
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Da Liu
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Zhitao Yan
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Huajing Ou
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Xiaoman Wen
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Ganxiong Li
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
| | - Gang Huang
- Department of Gerontology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, 832000, Xinjiang, PR China
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18
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Zhang Z, Bu X, Yang J, Zhu S, He S, Zheng J, Wang W, Chu D. NOTCH4 regulates colorectal cancer proliferation, invasiveness, and determines clinical outcome of patients. J Cell Physiol 2018; 233:6975-6985. [PMID: 29693251 DOI: 10.1002/jcp.26619] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 03/28/2018] [Indexed: 12/31/2022]
Abstract
Notch signal has complex roles in human malignancies, which might be attributed to the diversity of Notch receptors. Here, we set out to identify the association of NOTCH4 with colorectal cancer (CRC). In the hospital-based study cohort, we investigated NOTCH4 mRNA levels in primary CRC, as well as its association with clinicopathologic characteristics. Besides, NOTCH4 cDNA and siRNA was transfected into colorectal cancer cell line to elucidate its impact on tumor cell proliferation and migration. Results revealed a statistically significant lower expression of NOTCH4 mRNA in tumor specimens compared with that in control. NOTCH4 level in CRC was found to be related to tumor differentiation, invasion, and node metastasis. Moreover, it was demonstrated that NOTCH4 mRNA level could be an independent prognostic factor for both disease-free and overall survival of CRC patients. Overexpression of NOTCH4 in CRC cell lines suppressed tumor cell proliferation, migration, and invasion, while induced apoptosis. In the opposite, the malignant behavior of CRC cells was enhanced by NOTCH4 knockdown. These results demonstrated for the first time that NOTCH4 expression was decreased in CRC, which could determine tumor proliferation, relapse, and prognosis.
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Affiliation(s)
- Zixi Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of Dermatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xin Bu
- State Key Laboratory of Cancer Biology and Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jingyi Yang
- Information Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shaojun Zhu
- Department of Pathology, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Shuixiang He
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jianyong Zheng
- Department of Gastrointestinal Surgery, Xijing Hospital of Digestive Diseases, The Fourth Military Medical University, Xi'an, China
| | - Weizhong Wang
- Department of Gastrointestinal Surgery, Xijing Hospital of Digestive Diseases, The Fourth Military Medical University, Xi'an, China
| | - Dake Chu
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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19
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Long non-coding RNA LINC00152 promotes cell proliferation, metastasis, and confers 5-FU resistance in colorectal cancer by inhibiting miR-139-5p. Oncogenesis 2017; 6:395. [PMID: 29180678 PMCID: PMC5868057 DOI: 10.1038/s41389-017-0008-4] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/18/2017] [Accepted: 09/21/2017] [Indexed: 01/15/2023] Open
Abstract
Long intergenic non-coding RNA 152 (LINC00152) is a recently identified tumor-promoting long non-coding RNA. However, the biological functions of LINC00152 in colorectal cancer (CRC) remain unclear and require further research. The aim of the present study is to explore the roles of LINC00152 in cellular function and its possible molecular mechanism. In this study, we discovered that LINC00152 was overexpressed in CRC tissues and negatively related to the survival time of CRC patients. Functional analyses revealed that LINC00152 could promote cell proliferation. Furthermore, LINC00152 could increase the resistance of CRC cells to 5-fluorouracil (5-FU) by suppressing apoptosis. We also discovered that LINC00152 could enhance cell migration and invasion. Mechanistic studies demonstrated that LINC00152 could regulate the expression of NOTCH1 through sponging miR-139-5p and inhibiting its activity from promoting CRC progression and development. Altogether, our work points out a novel LINC00152/miR-139-5p/NOTCH1 regulatory axis in CRC progression and development.
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20
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Metformin depresses overactivated Notch1/Hes1 signaling in colorectal cancer patients with type 2 diabetes mellitus. Anticancer Drugs 2017; 28:531-539. [PMID: 28177944 DOI: 10.1097/cad.0000000000000483] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The function of metformin in colorectal cancer (CRC) patients with diabetes mellitus (DM) remains a controversial topic because studies are increasingly focusing on epidemiologic features. We examined Notch1/Hes1 signaling in CRC with DM (DM-CRC) and investigated alterations in signaling caused by metformin treatment. For this purpose, information on pathological characteristics was collected from each patient. The proliferation of epithelium labeled with proliferating cell nuclear antigen and the differentiation of goblet cells were investigated using immunohistochemistry and periodic acid-Schiff staining, respectively. The factors involved in Notch1/Hes1 signaling were detected using qRT-PCR and western blot. In our study, we found that lymphatic metastasis, pTNM staging, and the carcinoembryonic antigen level were significantly different between groups. The depth of crypts and the rate of proliferating cell nuclear antigen-positive cells were distinctly higher in DM-CRC and patients who were managed with insulin. Moreover, the goblet cell differentiation rate was decreased in DM-CRC. The expression of Dll1, Notch1, Math1, and RBP-Jκ was increased in DM-CRC, whereas the expression of Dll4 and Hes1 was decreased in this group in normal tissue. In CRC tissue, the expression of Dll1 and Notch1 was clearly higher than that in DM-CRC. Furthermore, the trend in these changes was aggravated with insulin management and alleviated with metformin treatment. In conclusion, the abnormal cell proliferation and differentiation observed in DM-CRC are correlated with overactivated Notch1/Hes1 signaling, which is potentially relieved by metformin treatment.
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21
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Li G, Zhou Z, Zhou H, Zhao L, Chen D, Chen H, Zou H, Qi Y, Jia W, Pang L. The expression profile and clinicopathological significance of Notch1 in patients with colorectal cancer: a meta-analysis. Future Oncol 2017; 13:2103-2118. [PMID: 28984154 DOI: 10.2217/fon-2017-0178] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
AIM This meta-analysis was conducted to evaluate the clinicopathological significance of Notch1 expression in patients with colorectal cancer (CRC). METHODS Available articles were searched from diverse databases, and the meta-analysis was done by using Stata 12.0 software. RESULTS Thirteen studies were included in this analysis (3401 samples). The Notch1 expression in CRC tissues was significantly higher than that in normal tissues statistically (OR: 15.46; 95% CI: 8.11-29.45; p = 0.003), and were associated with lymph node metastasis, tumor stage, depth of infiltration and histological differentiation. DISCUSSION There is a close relationship between higher Notch1 expression in CRC. Notch1 may be involved in tumor progression, invasion and metastasis with CRC. CONCLUSION Notch1 overexpression in CRC suggested aggressive biological behaviors and thus implying that Notch1 may be a useful biomarker in CRCs.
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Affiliation(s)
- Ganxiong Li
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Zheng Zhou
- Department of Stomatology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Hongrun Zhou
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Lili Zhao
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Dongdong Chen
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Hongzhi Chen
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Hong Zou
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Yan Qi
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Wei Jia
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Lijuan Pang
- Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, Xinjiang, China.,Department of Pathology, the First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
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22
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Brzozowa-Zasada M, Piecuch A, Michalski M, Segiet O, Kurek J, Harabin-Słowińska M, Wojnicz R. Notch and its oncogenic activity in human malignancies. Eur Surg 2017; 49:199-209. [PMID: 29104587 PMCID: PMC5653712 DOI: 10.1007/s10353-017-0491-z] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 09/04/2017] [Indexed: 12/18/2022]
Abstract
BACKGROUND Increasing evidence has demonstrated that Notch signaling is deregulated in human hematological malignancies and solid tumors. This signaling has a protumorigenic effect but may also act as a tumor suppressor. How induction of a single pathway gives rise to the opposite effects in different cell types is still unknown. METHODS This review article includes available data from peer-reviewed publications associated with the role of Notch signaling during cancer pathogenesis. RESULTS Numerous reports have indicated that alterations in Notch signaling and its oncogenic activity were originally associated with the pathogenesis of T‑cell acute lymphoblastic leukemia/lymphoma (T-ALL), an aggressive hematologic tumor affecting children and adolescents. The possibility that Notch could play a significant role in human breast cancer development comes from studies on mouse mammary tumor virus-induced cancer. Numerous findings over the past several years have indicated that alterations in Notch signaling are also responsible for ovarian cancer development. Mention should also be made of the connection between expression of Notch 3 and increased resistance to chemotherapy, which remains a major obstacle to successful treatment. Notch as an oncogenic factor is also involved in the development of colon cancer, lung carcinoma and Kaposi's sarcoma. CONCLUSION Notch is a binary cell fate determinant and its overexpression has been described as oncogenic in a wide array of human malignancies. This finding led to interest in therapeutically targeting this pathway, especially by the use of gamma-secretase inhibitors (GSIs) blocking the cleavage of Notch receptors at the cell membrane by the inhibition of Notch intracellular domain (NICD) releasing. Preclinical cancer models have revealed that GSIs suppress the growth of cancers such as pancreatic, breast and lung cancer.
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Affiliation(s)
- Marlena Brzozowa-Zasada
- Department of Histology and Embryology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
| | - Adam Piecuch
- Department of Histology and Embryology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
| | - Marek Michalski
- Department of Histology and Embryology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
| | - Oliwia Segiet
- Department of Histology and Embryology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
| | | | - Marzena Harabin-Słowińska
- Department of Histology and Embryology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
| | - Romuald Wojnicz
- Department of Histology and Embryology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
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23
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Mu Y, Zou H, Chen B, Fan Y, Luo S. FAM83D knockdown regulates proliferation, migration and invasion of colorectal cancer through inhibiting FBXW7/Notch-1 signalling pathway. Biomed Pharmacother 2017; 90:548-554. [DOI: 10.1016/j.biopha.2017.03.073] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 03/08/2017] [Accepted: 03/25/2017] [Indexed: 01/02/2023] Open
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24
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Sugiyama M, Oki E, Nakaji Y, Tsutsumi S, Ono N, Nakanishi R, Sugiyama M, Nakashima Y, Sonoda H, Ohgaki K, Yamashita N, Saeki H, Okano S, Kitao H, Morita M, Oda Y, Maehara Y. High expression of the Notch ligand Jagged-1 is associated with poor prognosis after surgery for colorectal cancer. Cancer Sci 2017; 107:1705-1716. [PMID: 27589478 PMCID: PMC5132269 DOI: 10.1111/cas.13075] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 08/21/2016] [Accepted: 08/28/2016] [Indexed: 12/20/2022] Open
Abstract
The importance of Notch signaling in colorectal cancer (CRC) carcinogenesis and progression has previously been presented. Increased expression of Jagged‐1 (JAG1), a Notch ligand, in CRC has been revealed, but the detailed prognostic significance of JAG1 in CRC has not been determined. Protein expression of JAG1 was examined using immunohistochemistry in 158 CRC specimens. Expression of JAG1 and E‐cadherin and their associations with clinicopathologic characteristics, overall survival (OS) and relapse‐free survival (RFS) were evaluated. In vitro studies using compounds to regulate intracellular signaling and small interfering RNA to silence JAG1 were performed in a colon cancer cell line. JAG1 expression in cancerous tissues was weak, moderate or strong in 32%, 36% and 32% of specimens, respectively, and correlated with histologic type and T stage. In multivariate analysis, JAG1 expression, histologic type and lymphatic invasion independently correlated with OS and RFS. The combination of high JAG1 expression and low E‐cadherin expression had an additive effect toward poorer OS and RFS compared with the low JAG1/high E‐cadherin expression subtype. A significant correlation between JAG1 expression and KRAS status was detected in groups stratified as high E‐cadherin expression. In vitro studies suggested that RAS‐MEK‐MAP kinase and the Wnt pathways positively regulated JAG1 expression. Gene silencing with siJAG1 indicated that JAG1 promotes the transition from epithelial to mesenchymal characteristics and cell growth. High expression of JAG1 is regulated by various pathways and is associated with poor prognosis through promoting the epithelial to mesenchymal transition and cell proliferation or maintaining cell survival in CRC.
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Affiliation(s)
- Masakazu Sugiyama
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Eiji Oki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yu Nakaji
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Satoshi Tsutsumi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Naomi Ono
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Ryota Nakanishi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masahiko Sugiyama
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuichiro Nakashima
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hideto Sonoda
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kippei Ohgaki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Nami Yamashita
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroshi Saeki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shinji Okano
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroyuki Kitao
- Department of Molecular Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masaru Morita
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiko Maehara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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25
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NDRG4 stratifies the prognostic value of body mass index in colorectal cancer. Oncotarget 2016; 7:1311-22. [PMID: 26515606 PMCID: PMC4811462 DOI: 10.18632/oncotarget.6182] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 10/04/2015] [Indexed: 01/01/2023] Open
Abstract
NDRG4 is a novel candidate tumor suppressor and can inhibit PI3K/AKT signal which is related with energy balance and related carcinogenesis. In the present study, we investigated whether NDRG4 status could modify the association of obesity with clinical outcome of colorectal cancer. For this purpose, a hospital-based prospective study cohort of 226 colorectal cancer patients was involved. NDRG4 mRNA levels were determined by real-time PCR. Association of NDRG4 mRNA expression with disease-free and overall survival was studied first. Then, the association of obesity with clinical outcome was determined according to NDRG4 level. Multivariate Cox proportional hazards model was used to compute hazard ratio, adjusting for covariates including microsatellite instability, KRAS, BRAF and PIK3CA mutation. Results showed that NDRG4 mRNA expression was decreased in tumor specimens and significantly correlated with tumor differentiation, invasion and metastasis. Patients with tumor of reduced NDRG4 mRNA level had unfavorable disease-free and overall survival. Obesity was found to be adversely associated with disease-free and overall survival in tumors with reduced NDRG4 level, not in preserved NDRG4 level group, in both univariate and multivariate analysis. These data provided the first evidence that NDRG4 level in colorectal cancer could effectively stratify the prognostic value of obesity, which would better the understanding of the prognostic role of obesity in colorectal cancer. Our results also support the notion that the host-tumor interactions in colorectal cancer might influence tumor aggressiveness.
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26
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Zhou JX, Zhou L, Li QJ, Feng W, Wang PM, Li EF, Gong WJ, Kou MW, Gou WT, Yang YL. Association between high levels of Notch3 expression and high invasion and poor overall survival rates in pancreatic ductal adenocarcinoma. Oncol Rep 2016; 36:2893-2901. [PMID: 27633819 DOI: 10.3892/or.2016.5079] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Accepted: 08/11/2016] [Indexed: 11/06/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a commonly fatal tumour. It is characterized by early metastasis and high mortality. Many patients die as a result of PDAC tumour progression. However, the underlying mechanism of invasion and metastasis in PDAC is still not fully understood. Previous studies showed that the Notch signalling pathway may play an important role in the progression of tumour invasion and metastasis. However, it is not yet known whether the Notch signalling pathway participates in the progression of invasion in PDAC. In the present study, immunohistochemistry showed that a high expression of Notch3 was correlated with tumour grade, metastasis, venous invasion and American Joint Committee on Cancer (AJCC) tumor-node-metastasis (TNM) stage. Kaplan-Meier curves suggested that a high expression of Notch3 was a significant risk factor for shortened survival time. We also showed that inhibition of Notch3 had an anti‑invasion role in PDAC cells. In vitro, the inhibition of Notch3 reduced the migration and invasion capabilities of PDAC cells by regulating the expressions of E-cadherin, CD44v6, MMP-2, MMP-9, VEGF and uPA via regulating the COX-2 and ERK1/2 pathways. These results indicated that downregulation of the Notch signalling pathway may be a novel and useful approach for preventing and treating PDAC invasion.
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Affiliation(s)
- Jin-Xue Zhou
- Department of Hepatobiliary and Pancreatic Surgery, Henan Tumor Hospital, Zhengzhou, Henan 450008, P.R. China
| | - Liang Zhou
- Department of General Surgery, The 155 Central Hospital of PLA, Kaifeng, Henan 471000, P.R. China
| | - Qing-Jun Li
- Department of Hepatobiliary and Pancreatic Surgery, Henan Tumor Hospital, Zhengzhou, Henan 450008, P.R. China
| | - Wen Feng
- Department of Hepatobiliary and Pancreatic Surgery, Henan Tumor Hospital, Zhengzhou, Henan 450008, P.R. China
| | - Pei-Min Wang
- Department of General Surgery, First People's Hospital, Xiang Xin, Henan 453000, P.R. China
| | - Er-Feng Li
- Department of General Surgery, The 155 Central Hospital of PLA, Kaifeng, Henan 471000, P.R. China
| | - Wen-Jing Gong
- Department of General Surgery, The 155 Central Hospital of PLA, Kaifeng, Henan 471000, P.R. China
| | - Ming-Wen Kou
- Department of General Surgery, The 155 Central Hospital of PLA, Kaifeng, Henan 471000, P.R. China
| | - Wei-Ting Gou
- Department of General Surgery, The 155 Central Hospital of PLA, Kaifeng, Henan 471000, P.R. China
| | - Yan-Ling Yang
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shannxi 710032, P.R. China
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27
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Zou Y, Fang F, Ding YJ, Dai MY, Yi X, Chen C, Tao ZZ, Chen SM. Notch 2 signaling contributes to cell growth, anti-apoptosis and metastasis in laryngeal squamous cell carcinoma. Mol Med Rep 2016; 14:3517-24. [PMID: 27572051 PMCID: PMC5042778 DOI: 10.3892/mmr.2016.5688] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 05/31/2016] [Indexed: 12/02/2022] Open
Abstract
Notch signaling is important during the development of a variety of human tumors. Depending on the context, Notch signaling can be either oncogenic or anti-proliferative, and therefore, its effects in cancer are unpredictable. The aim of the present study was to identify the importance of Notch 2 in the cell growth and metastasis of laryngeal squamous cell carcinoma (LSCC). The current study performed quantum dots-based immunofluorescence histochemistry to determine expression of Notch 2 in 72 LSCC samples without lymph node metastasis, 23 LSCC samples with lymph node metastasis and 31 samples from vocal cord polyps. It was observed that Notch 2 was upregulated in LSCC tissue compared with normal vocal cord polyps. This upregulation was further enhanced in LSCC tissues with lymph node metastasis compared with LSCC tissues without lymph node metastasis. Following knockdown of NOTCH2 expression in LSCC cells, the in vitro tumorigenicity of Hep-2 cells was inhibited, with growth, migration, invasion and proliferation reduced, and apoptosis induced. Additionally, following downregulation of Notch 2 protein expression, the protein expression levels of phosphor-mitogen-activated protein kinase 1 (p-ERK), v-myc avian myelocytomatosis viral oncogene homolog and B-cell CLL/lymphoma 2 (Bcl2) were also downregulated, whereas, Bcl2-associated X protein expression was upregulated. There were no changes detected in the protein expression levels of total-ERK, phospho-v-akt murine thymoma viral oncogene homolog 1 (p-Akt) and total-Akt. The results of the present study suggest that Notch 2 is important for the cell growth, anti-apoptosis and metastasis of LSCC. Therefore, Notch 2 inhibitors may have therapeutic potential for the treatment of patients with LSCC via the inhibition of cancer cell growth and metastasis.
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Affiliation(s)
- You Zou
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Fang Fang
- Department of Medical Market, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Yong-Jun Ding
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Meng-Yuan Dai
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Xing Yi
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Chen Chen
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Ze-Zhang Tao
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Shi-Ming Chen
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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28
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Demitrack ES, Samuelson LC. Notch regulation of gastrointestinal stem cells. J Physiol 2016; 594:4791-803. [PMID: 26848053 DOI: 10.1113/jp271667] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 01/19/2016] [Indexed: 12/11/2022] Open
Abstract
The gastrointestinal (GI) tract epithelium is continuously replenished by actively cycling stem and progenitor cells. These cell compartments are regulated to balance proliferation and stem cell renewal with differentiation into the various mature cell types to maintain tissue homeostasis. In this topical review we focus on the role of the Notch signalling pathway to regulate GI stem cell function in adult small intestine and stomach. We first present the current view of stem and progenitor cell populations in these tissues and then summarize the studies that have established the Notch pathway as a key regulator of gastric and intestinal stem cell function. Notch signalling has been shown to be a niche factor required for maintenance of GI stem cells in both tissues. In addition, Notch has been described to regulate epithelial cell differentiation. Recent studies have revealed key similarities and differences in how Notch regulates stem cell function in the stomach compared to intestine. We summarize the literature regarding Notch regulation of GI stem cell proliferation and differentiation, highlighting tissue-specific functions to compare and contrast Notch in the stomach and intestine.
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Affiliation(s)
- Elise S Demitrack
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Linda C Samuelson
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA.,Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
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29
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Paiva TF, de Jesus VHF, Marques RA, da Costa AABA, de Macedo MP, Peresi PM, Damascena A, Rossi BM, Begnami MD, de Lima VCC. Angiogenesis-related protein expression in bevacizumab-treated metastatic colorectal cancer: NOTCH1 detrimental to overall survival. BMC Cancer 2015; 15:643. [PMID: 26394830 PMCID: PMC4579833 DOI: 10.1186/s12885-015-1648-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 09/11/2015] [Indexed: 12/19/2022] Open
Abstract
Background The development of targeted therapies has undoubtedly broadened therapeutic options for patients with colorectal cancer (CRC). The use of bevacizumab to reduce angiogenesis has been associated with improved clinical outcomes. However, an urgent need for prognostic/predictive biomarkers for anti-angiogenic therapies still exists. Methods Clinical data of 105 CRC patients treated with bevacizumab in conjunction with chemotherapy were analyzed. The expression of vascular endothelial growth factor (VEGF) receptors, NOTCH1 receptor and its ligand DLL4 were determined by immunohistochemistry. Tumor samples were arranged on a tissue microarray. The association between protein expression and clinicopathological characteristics and outcomes was determined. Results Bevacizumab was administered as a first-line of treatment in 70.5 % of our cases. The median progression-free survival (PFS) was 10.2 months. The median overall survival (OS) of the total cohort was 24.4 months. Bevacizumab, as the first-line of treatment, and the presence of liver metastasis were independently associated with objective response rate. Membrane VEGFR1 and VEGFR3 expressions were associated with the presence of lung metastasis; interestingly, VEGFR3 was associated with less liver metastasis. NOTCH1 expression was associated with lymph node metastasis. There was a trend toward association between improved PFS and lower NOTCH1 expression (p = 0.06). Improved OS was significantly associated with lower NOTCH1 expression (p = 0.01). In a multivariate analysis, ECOG (Eastern Cooperative Oncology Group) performance status, liver metastasis, histological grade, and NOTCH1 expression were independently associated with OS. Conclusion Our findings illustrated the expression profile of angiogenesis-related proteins and their association with clinicopathological characteristics and outcomes. NOTCH1 expression is a detrimental prognostic factor in metastatic CRC patients treated with chemotherapy plus bevacizumab. Electronic supplementary material The online version of this article (doi:10.1186/s12885-015-1648-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | - Raul Amorim Marques
- Department of Medical Oncology, A. C. Camargo Cancer Center, São Paulo, Brazil.
| | | | | | | | - Aline Damascena
- Department of Statistics, Centro Internacional de Pesquisa e Ensino - Fundação Antônio Prudente, São Paulo, Brazil.
| | | | | | - Vladmir Cláudio Cordeiro de Lima
- Department of Medical Oncology, A. C. Camargo Cancer Center, São Paulo, Brazil. .,Department of Clinical Oncology, 1° Subsolo, Edifício Hilda Jacob R. Prof. Antônio Prudente, 211, São Paulo, ZC 01509-900, Brazil.
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30
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Arcaroli JJ, Tai WM, McWilliams R, Bagby S, Blatchford PJ, Varella-Garcia M, Purkey A, Quackenbush KS, Song EK, Pitts TM, Gao D, Lieu C, McManus M, Tan AC, Zheng X, Zhang Q, Ozeck M, Olson P, Jiang ZQ, Kopetz S, Jimeno A, Keysar S, Eckhardt G, Messersmith WA. A NOTCH1 gene copy number gain is a prognostic indicator of worse survival and a predictive biomarker to a Notch1 targeting antibody in colorectal cancer. Int J Cancer 2015; 138:195-205. [PMID: 26152787 DOI: 10.1002/ijc.29676] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Revised: 06/10/2015] [Accepted: 06/17/2015] [Indexed: 12/28/2022]
Abstract
Dysregulation of the Notch1 receptor has been shown to facilitate the development and progression of colorectal cancer (CRC) and has been identified as an independent predictor of disease progression and worse survival. Although mutations in the NOTCH1 receptor have not been described in CRC, we have previously discovered a NOTCH1 gene copy number gain in a portion of CRC tumor samples. Here, we demonstrated that a NOTCH1 gene copy number gain is significantly associated with worse survival and a high percentage of gene duplication in a cohort of patients with advanced CRC. In our CRC patient-derived tumor xenograft (PDTX) model, tumors harboring a NOTCH1 gain exhibited significant elevation of the Notch1 receptor, JAG1 ligand and cleaved Notch1 activity. In addition, a significant association was identified between a gain in NOTCH1 gene copy number and sensitivity to a Notch1-targeting antibody. These findings suggest that patients with metastatic CRC that harbor a gain in NOTCH1 gene copy number have worse survival and that targeting this patient population with a Notch1 antibody may yield improved outcomes.
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Affiliation(s)
- John J Arcaroli
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - W M Tai
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Ryan McWilliams
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Stacey Bagby
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Patrick J Blatchford
- Department of Biostatistics & Informatics, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Marileila Varella-Garcia
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Alicia Purkey
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Kevin S Quackenbush
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Eun-Kee Song
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Todd M Pitts
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Dexiang Gao
- Department of Biostatistics & Informatics, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Chris Lieu
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Martine McManus
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Aik Choon Tan
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Xianxian Zheng
- Pfizer Oncology Research Unit, Translational Research, Pfizer, La Jolla, CA
| | - Qin Zhang
- Pfizer Oncology Research Unit, Translational Research, Pfizer, La Jolla, CA
| | - Mark Ozeck
- Pfizer Oncology Research Unit, Translational Research, Pfizer, La Jolla, CA
| | - Peter Olson
- Pfizer Oncology Research Unit, Translational Research, Pfizer, La Jolla, CA
| | - Zhi-Qin Jiang
- MD Anderson Cancer Center, Texas Medical Center, Houston, TX
| | - Scott Kopetz
- MD Anderson Cancer Center, Texas Medical Center, Houston, TX
| | - Antonio Jimeno
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Stephen Keysar
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Gail Eckhardt
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
| | - Wells A Messersmith
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus and University of Colorado Cancer Center, Aurora, CO
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31
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WANG XING, ZHANG JUAN, ZHOU LIANG, SUN WEI, ZHENG ZHIGANG, LU PENG, GAO YUAN, YANG XISHENG, ZHANG ZHUOCHAO, TAO KAISHAN, DOU KEFENG. Fbxw7 regulates hepatocellular carcinoma migration and invasion via Notch1 signaling pathway. Int J Oncol 2015; 47:231-43. [DOI: 10.3892/ijo.2015.2981] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 04/09/2015] [Indexed: 11/05/2022] Open
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32
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Yan B, Liu L, Zhao Y, Xiu LJ, Sun DZ, Liu X, Lu Y, Shi J, Zhang YC, Li YJ, Wang XW, Zhou YQ, Feng SH, Lv C, Wei PK, Qin ZF. Xiaotan Sanjie decoction attenuates tumor angiogenesis by manipulating Notch-1-regulated proliferation of gastric cancer stem-like cells. World J Gastroenterol 2014; 20:13105-13118. [PMID: 25278704 PMCID: PMC4177489 DOI: 10.3748/wjg.v20.i36.13105] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 02/10/2014] [Accepted: 05/19/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine the underlying mechanisms of action and influence of Xiaotan Sanjie (XTSJ) decoction on gastric cancer stem-like cells (GCSCs).
METHODS: The gastric cancer cell line MKN-45 line was selected and sorted by FACS using the cancer stem cell marker CD44; the stemness of these cells was checked in our previous study. In an in vitro study, the expression of Notch-1, Hes1, Vascular endothelial growth factor (VEGF), and Ki-67 in both CD44-positive gastric cancer stem-like cells (GCSCs) and CD44-negative cells was measured by Western blot. The effect of XTSJ serum on cell viability and on the above markers was measured by MTT assay and Western blot, respectively. In an in vivo study, the ability to induce angiogenesis and maintenance of GCSCs in CD44-positive-MKN-45- and CD44-negative-engrafted mice were detected by immunohistochemical staining using markers for CD34 and CD44, respectively. The role of XTSJ decoction in regulating the expression of Notch-1, Hes1, VEGF and Ki-67 was measured by Western blot and real-time polymerase chain reaction.
RESULTS: CD44+ GCSCs showed more cell proliferation and VEGF secretion than CD44-negative cells in vitro, which were accompanied by the high expression of Notch-1 and Hes1 and positively associated with tumor growth (GCSCs vs CD44-negative cells, 2.72 ± 0.25 vs 1.46 ± 0.16, P < 0.05) and microvessel density (MVD) (GCSCs vs CD44-negative cells, 8.15 ± 0.42 vs 3.83 ± 0.49, P < 0.001) in vivo. XTSJ decoction inhibited the viability of both cell types in a dose-dependent manner in vitro. Specifically, a significant difference in the medium- (82.87% ± 6.53%) and high-dose XTSJ groups (77.43% ± 7.34%) was detected at 24 h in the CD44+ GCSCs group compared with the saline group (95.42% ± 5.76%) and the low-dose XTSJ group (90.74% ± 6.57%) (P < 0.05). However, the efficacy of XTSJ decoction was reduced in the CD44- groups; significant differences were only detected in the high-dose XTSJ group at 48 h (78.57% ± 6.94%) and 72 h (72.12% ± 7.68%) when compared with the other CD44- groups (P < 0.05). Notably, these differences were highly consistent with the Notch-1, Hes1, VEGF and Ki-67 expression in these cells. Similarly, in vivo, XTSJ decoction inhibited tumor growth in a dose-dependent manner. A significant difference was observed in the medium- (1.76 ± 0.15) and high-dose XTSJ (1.33 ± 0.081) groups compared with the GCSCs control group (2.72 ± 0.25) and the low-dose XTSJ group (2.51 ± 0.25) (P < 0.05). We also detected a remarkable decrease of MVD in the medium- (7.10 ± 0.60) and high-dose XTSJ (5.99 ± 0.47) groups compared with the GCSC control group (8.15 ± 0.42) and the low-dose XTSJ group (8.14 ± 0.46) (P < 0.05). Additionally, CD44 expression was decreased in these groups [medium- (4.43 ± 0.45) and high-dose XTSJ groups (3.56 ± 0.31) vs the GCSC control (5.96 ± 0.46) and low dose XTSJ groups (5.91 ± 0.38)] (P < 0.05). The significant differences in Notch-1, Hes1, VEGF and Ki-67 expression highly mirrored the results of XTSJ decoction in inhibiting tumor growth, MVD and CD44 expression.
CONCLUSION: Notch-1 may play an important role in regulating the proliferation of GCSCs; XTSJ decoction could attenuate tumor angiogenesis, at least partially, by inhibiting Notch-1.
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MESH Headings
- Angiogenesis Inhibitors/pharmacology
- Animals
- Antineoplastic Agents, Phytogenic/pharmacology
- Basic Helix-Loop-Helix Transcription Factors/genetics
- Basic Helix-Loop-Helix Transcription Factors/metabolism
- Cell Line, Tumor
- Cell Proliferation/drug effects
- Dose-Response Relationship, Drug
- Drugs, Chinese Herbal/pharmacology
- Gene Expression Regulation, Neoplastic
- Homeodomain Proteins/genetics
- Homeodomain Proteins/metabolism
- Humans
- Hyaluronan Receptors/genetics
- Hyaluronan Receptors/metabolism
- Ki-67 Antigen/genetics
- Ki-67 Antigen/metabolism
- Male
- Mice, Nude
- Neoplastic Stem Cells/drug effects
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Neovascularization, Pathologic
- Rats, Sprague-Dawley
- Receptor, Notch1/antagonists & inhibitors
- Receptor, Notch1/genetics
- Receptor, Notch1/metabolism
- Signal Transduction/drug effects
- Stomach Neoplasms/blood supply
- Stomach Neoplasms/drug therapy
- Stomach Neoplasms/genetics
- Stomach Neoplasms/metabolism
- Stomach Neoplasms/pathology
- Time Factors
- Transcription Factor HES-1
- Vascular Endothelial Growth Factor A/genetics
- Vascular Endothelial Growth Factor A/metabolism
- Xenograft Model Antitumor Assays
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Song M, Yin Y, Zhang J, Zhang B, Bian Z, Quan C, Zhou L, Hu Y, Wang Q, Ni S, Fei B, Wang W, Du X, Hua D, Huang Z. MiR-139-5p inhibits migration and invasion of colorectal cancer by downregulating AMFR and NOTCH1. Protein Cell 2014; 5:851-61. [PMID: 25149074 PMCID: PMC4225484 DOI: 10.1007/s13238-014-0093-5] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Accepted: 07/14/2014] [Indexed: 01/17/2023] Open
Abstract
MicroRNAs (miRNAs) that exert function by posttranscriptional suppression have recently brought insight in our understanding of the role of non-protein-coding RNAs in carcinogenesis and metastasis. In this study, we described the function and molecular mechanism of miR-139-5p in colorectal cancer (CRC) and its potential clinical application in CRC. We found that miR-139-5p was significantly downregulated in 73.8% CRC samples compared with adjacent noncancerous tissues (NCTs), and decreased miR-139-5p was associated with poor prognosis. Functional analyses demonstrated that ectopic expression of miR-139-5p suppressed CRC cell migration and invasion in vitro and metastasis in vivo. Mechanistic investigations revealed that miR-139-5p suppress CRC cell invasion and metastasis by targeting AMFR and NOTCH1. Knockdown of the two genes phenocopied the inhibitory effect of miR-139-5p on CRC metastasis. Furthermore, the protein levels of the two genes were upregulated in CRC samples compared with NCTs, and inversely correlated with the miR-139-5p expression. Increased NOTCH1 protein expression was correlated with poor prognosis of CRC patients. Together, our data indicate that miR-139-5p is a potential tumor suppressor and prognostic factor for CRC, and targeting miR-139-5p may repress the metastasis of CRC and improve survival.
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Affiliation(s)
- Mingxu Song
- Wuxi Oncology Institute, the Affiliated Hospital of Jiangnan University, Wuxi, 214062, China
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Ozawa T, Kazama S, Akiyoshi T, Murono K, Yoneyama S, Tanaka T, Tanaka J, Kiyomatsu T, Kawai K, Nozawa H, Kanazawa T, Yamaguchi H, Ishihara S, Sunami E, Kitayama J, Morikawa T, Fukayama M, Watanabe T. Nuclear Notch3 expression is associated with tumor recurrence in patients with stage II and III colorectal cancer. Ann Surg Oncol 2014; 21:2650-8. [PMID: 24728738 DOI: 10.1245/s10434-014-3659-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Indexed: 12/11/2022]
Abstract
BACKGROUND The importance of Notch signaling in colorectal cancer (CRC) tumorigenesis has been recently recognized. However, the significance of Notch3 expression and its association with Notch1 expression in CRC is unclear. In the present study, we investigated Notch1 and Notch3 expression in Stage II and III CRC to assess their association with clinicopathological characteristics. METHODS The protein expression of Notch1 and Notch3 was examined using immunohistochemistry in 305 CRC specimens. Nuclear expression of Notch1 and Notch3 and their associations with clinicopathological characteristics and distant relapse-free survival (dRFS) were evaluated. RESULTS Nuclear Notch1 was overexpressed in 37 % of specimen, and nuclear Notch3 in 38 %. Nuclear Notch3 expression correlated with tumor differentiation status (P = 0.0099). Nuclear expression of Notch1 and Notch3 was associated with tumor recurrence (P = 0.0311 and P = 0.0053, respectively). In multivariate analysis, nuclear Notch3 expression [hazard ratio (HR) = 1.71; 95 % confidence interval (CI), 1.06-2.78; P = 0.0271), lymph node metastasis, and venous involvement were independently correlated with dRFS. In subgroup analysis, nuclear Notch3 expression was strongly associated with dRFS in Stage II CRC (HR = 3.47; 95 % CI 1.44-9.22; P = 0.0055). Both nuclear Notch1 and Notch3 were positive in 67 specimens (22 %) and both were negative in 144 specimens (47 %). Coexpression of nuclear Notch1 and Notch3 had an additive effect toward poorer dRFS compared with a negative subtype (HR = 2.48; 95 % CI, 1.41-4.40; P = 0.0019). CONCLUSIONS Nuclear Notch3 expression might be a novel predictive marker for recurrence in Stage II and III CRC.
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Affiliation(s)
- Tsuyoshi Ozawa
- Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan,
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35
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Lu CY, Yang ZX, Zhou L, Huang ZZ, Zhang HT, Li J, Tao KS, Xie BZ. High levels of EphA3 expression are associated with high invasive capacity and poor overall survival in hepatocellular carcinoma. Oncol Rep 2013; 30:2179-86. [PMID: 23970317 DOI: 10.3892/or.2013.2679] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Accepted: 08/08/2013] [Indexed: 01/13/2023] Open
Abstract
Although EphA3 expression has been associated with progression or prognosis in several types of tumors, the role of EphA3 in hepatocellular carcinoma (HCC) remains unknown. This study sought to investigate the clinicopathological and prognostic relevance of EphA3 expression in HCC as well as the underlying mechanisms responsible. EphA3 protein was mainly localized within the cytoplasm and at the cell membrane. High EphA3 expression was correlated with tumor size, tumor grade, metastasis, venous invasion and AJCC TNM stage (P<0.05), and patients with high levels of EphA3 expression were at a significantly increased risk for shortened survival time (P<0.05). In vitro, the downregulation of EphA3 expression decreased the invasive capacity of HCC cells via the regulation of VEGF. EphA3 may represent a novel candidate marker for patient prognosis as well a molecular target for HCC therapy.
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Affiliation(s)
- Cheng-Yi Lu
- Department of Information, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shannxi 710032, P.R. China
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Tumours with elevated levels of the Notch and Wnt pathways exhibit efficacy to PF-03084014, a γ-secretase inhibitor, in a preclinical colorectal explant model. Br J Cancer 2013; 109:667-75. [PMID: 23868008 PMCID: PMC3738122 DOI: 10.1038/bjc.2013.361] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 06/14/2013] [Accepted: 06/17/2013] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Dysregulation of the Notch pathway has been identified to play an important role in the development and progression of colorectal cancer (CRC). In this study, we used a patient-derived CRC explant model to investigate the efficacy of the clinical γ-secretase inhibitor (GSI) PF-03084014. METHODS A total of 16 CRC explants were treated with PF-03084014. Knockdown of RBPjκ gene was used to determine the specificity of PF-03084014. Evaluation of the Notch and Wnt pathways in CRC explant tumours was performed by gene array and immunoblotting. RESULTS We identified a subset of CRC tumours that exhibited elevations of the Notch and Wnt pathways sensitive to PF-03084014. Treatment with the GSI resulted in a significant reduction in cleaved Notch, Axin2 (Wnt-dependent gene) and active β-catenin. In addition, knockdown of the RBPjκ gene showed that PF-03084014 has specificity for the Notch pathway in an HCT116 cell line xenograft model. Finally, an increase in apoptosis was observed in CRC001- and CRC021-sensitive tumours. CONCLUSION This study provides evidence that inhibition of γ-secretase may be beneficial in a subset of patients with elevated levels of the Wnt and Notch pathways.
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37
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Notch pathway is activated by MAPK signaling and influences papillary thyroid cancer proliferation. Transl Oncol 2013; 6:197-205. [PMID: 23544172 DOI: 10.1593/tlo.12442] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 01/04/2013] [Accepted: 01/08/2013] [Indexed: 01/03/2023] Open
Abstract
Mutually exclusive genetic alterations in the RET, RAS, or BRAF genes, which result in constitutively active mitogen-activated protein kinase (MAPK) signaling, are present in about 70% of papillary thyroid carcinomas (PTCs). However, the effect of MAPK activation on other signaling pathways involved in oncogenic transformation, such as Notch, remains unclear. In this study, we tested the hypothesis that the MAPK pathway regulates Notch signaling and that Notch signaling plays a role in PTC cell proliferation. Conditional induction of MAPK signaling oncogenes RET/PTC3 or BRAF(T1799A) in normal rat thyroid cell line mediated activation of Notch signaling, upregulating Notch1 receptor and Hes1, the downstream effector of Notch pathway. Conversely, pharmacological inhibition of MAPK reduced Notch signaling in PTC cell. Thyroid tumor samples from transgenic mice expressing BRAF(T1799A) and primary human PTC samples showed high levels of Notch1 expression. Down-regulation of Notch signaling by γ-secretase inhibitor (GSI) or NOTCH1 RNA interference reduces PTC cell proliferation. Moreover, the combination of GSI with a MAPK inhibitor enhanced the growth suppression in PTC cells. This study revealed that RET/PTC and BRAF(T1799A) activate Notch signaling and promote tumor growth in thyroid follicular cell. Taken together, these data suggest that Notch signaling may be explored as an adjuvant therapy for thyroid papillary cancer.
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38
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Zhou L, Zhang N, Song W, You N, Li Q, Sun W, Zhang Y, Wang D, Dou K. The significance of Notch1 compared with Notch3 in high metastasis and poor overall survival in hepatocellular carcinoma. PLoS One 2013; 8:e57382. [PMID: 23468978 PMCID: PMC3585338 DOI: 10.1371/journal.pone.0057382] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2012] [Accepted: 01/21/2013] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The prognosis for patients with hepatocellular carcinoma (HCC) is poor, and the mechanisms underlying the development of HCC remain unclear. Notch1 and Notch3 may be involved in malignant transformation, although their roles remain unknown. MATERIALS AND METHODS HCC tissues were stained with anti-Notch1 or -Notch3 antibody. The migration and invasion capacities of the cells were measured with transwell cell culture chambers. RT-PCR was used to measure the expression of Notch1 and Notch3 mRNA. Additionally, western blot analysis was used to assess the protein expression of Notch1, Notch3, CD44v6, E-cadherin, matrix metalloproteinase-2 (MMP-2), MMP-9, and urokinase-type plasminogen activator (uPA). RNA interference was used to down-regulate the expression of Notch1 and Notch3. Cell viability was assessed using MTT. RESULTS Based on immunohistochemistry, high Notch1 expression was correlated with tumor size, tumor grade, metastasis, venous invasion and AJCC TNM stage. High Notch3 expression was only strongly correlated with metastasis, venous invasion and satellite lesions. Kaplan-Meier curves demonstrated that patients with high Notch1 or Notch3 expression were at a significantly increased risk for shortened survival time. In vitro, the down-regulation of Notch1 decreased the migration and invasion capacities of HCC cells by regulating CD44v6, E-cadherin, MMP-2, MMP-9, and uPA via the COX-2 and ERK1/2 pathways. Down-regulation of Notch3 only decreased the invasion capacity of HCC cells by regulating MMP-2 and MMP-9 via the ERK1/2 pathway. CONCLUSIONS Based on the migration and invasion of HCC, we hypothesize that targeting Notch1 may be more useful than Notch3 for designing novel preventive and therapeutic strategies for HCC in the near future.
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Affiliation(s)
- Liang Zhou
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Ning Zhang
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Wenjie Song
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Nan You
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Qingjun Li
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Wei Sun
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Yong Zhang
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Desheng Wang
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
| | - Kefeng Dou
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shannxi, People’s Republic of China
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39
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DBC1 is over-expressed and associated with poor prognosis in colorectal cancer. Int J Clin Oncol 2013; 19:106-12. [DOI: 10.1007/s10147-012-0506-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2012] [Accepted: 12/02/2012] [Indexed: 02/07/2023]
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40
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Abstract
The small and large intestines are tubular organs composed of several tissue types. The columnar epithelium that lines the inner surface of the intestines distinguishes the digestive physiology of each region of the intestine and consists of several distinct cell types that are rapidly and continually renewed by intestinal stem cells that reside near the base of the crypts of Lieberkühn. Notch signaling controls the fate of intestinal stem cells by regulating the expression of Hes genes and by repressing Atoh1. Alternate models of Notch pathway control of cell fate determination are presented. Roles for Notch signaling in development of the intestine, including mesenchymal and neural cells, are discussed. The oncogenic activities of Notch in colorectal cancer, as well as the tumor suppressive activities of Atoh1, are reviewed. Therapeutic targeting of the Notch pathway in colorectal cancers is discussed, along with potential caveats.
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Affiliation(s)
- Taeko K Noah
- Division of Gastroenterology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio 45229, USA
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41
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Zhou L, Zhang N, Li QJ, Sun W, Zhang Y, Wang DS, Dou KF. Associations between high levels of Notch1 expression and high invasion and poor overall survival in hepatocellular carcinoma. Tumour Biol 2012. [DOI: 10.1007/s13277-012-0580-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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42
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Fan H, Lu Y, Qin H, Zhou Y, Gu Y, Zhou J, Wang X, Fan D. High Ran level is correlated with poor prognosis in patients with colorectal cancer. Int J Clin Oncol 2012; 18:856-63. [PMID: 22956174 DOI: 10.1007/s10147-012-0465-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2012] [Accepted: 07/30/2012] [Indexed: 12/15/2022]
Abstract
BACKGROUND The Ras-like nuclear protein (Ran) is involved in the regulation of nuclear transport, microtubule nucleation and dynamics, and spindle assembly. Its fundamental function is nucleocytoplasmic transport of RNA and proteins. The expression and potential role of Ran in colorectal cancer (CRC) remain unclear. The aim of this study was to investigate the relationship between Ran expression and CRC characteristics. The potential role of Ran as a prognostic indicator was also evaluated. METHODS We used immunohistochemistry and western blotting to detect Ran expression in 287 CRC tissues. The relationships between Ran expression and clinicopathological characteristics and overall survival rate were statistically analyzed. RESULTS CRC tissues had significantly higher Ran expression than normal colorectal epithelial cells. Ran was positively correlated with depth of invasion, lymph node metastases, distant metastases, tumor differentiation, and tumor-node-metastasis stage. However, no correlation was found between Ran expression and patient age or sex. The overall survival rate was consistently and significantly lower in patients with Ran-positive tumors than in those with Ran-negative tumors. CONCLUSION Our findings emphasize the important role of Ran in differentiation, disease stage, and metastasis in human CRC. Ran may play an important role in the development of CRC and may serve as a novel prognostic indicator of CRC.
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Affiliation(s)
- Hongwei Fan
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 West Changle Road, Xi'an, Shaanxi, 710032, China
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43
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Ai Q, Ma X, Huang Q, Liu S, Shi T, Zhang C, Zhu M, Zhang Y, Wang B, Ni D, Li H, Zheng T, Zhang X. High-level expression of Notch1 increased the risk of metastasis in T1 stage clear cell renal cell carcinoma. PLoS One 2012; 7:e35022. [PMID: 22506064 PMCID: PMC3323638 DOI: 10.1371/journal.pone.0035022] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Accepted: 03/08/2012] [Indexed: 01/19/2023] Open
Abstract
Background Although metastasis of clear cell renal cell carcinoma (ccRCC) is basically observed in late stage tumors, T1 stage metastasis of ccRCC can also be found with no definite molecular cause resulting inappropriate selection of surgery method and poor prognosis. Notch signaling is a conserved, widely expressed signal pathway that mediates various cellular processes in normal development and tumorigenesis. This study aims to explore the potential role and mechanism of Notch signaling in the metastasis of T1 stage ccRCC. Methodology/Principal Findings The expression of Notch1 and Jagged1 were analyzed in tumor tissues and matched normal adjacent tissues obtained from 51 ccRCC patients. Compared to non-tumor tissues, Notch1 and Jagged1 expression was significantly elevated both in mRNA and protein levels in tumors. Tissue samples of localized and metastatic tumors were divided into three groups based on their tumor stages and the relative mRNA expression of Notch1 and Jagged1 were analyzed. Compared to localized tumors, Notch1 expression was significantly elevated in metastatic tumors in T1 stage while Jagged1 expression was not statistically different between localized and metastatic tumors of all stages. The average size of metastatic tumors was significantly larger than localized tumors in T1 stage ccRCC and the elevated expression of Notch1 was significantly positive correlated with the tumor diameter. The functional significance of Notch signaling was studied by transfection of 786-O, Caki-1 and HKC cell lines with full-length expression plasmids of Notch1 and Jagged1. Compared to the corresponding controls, all cell lines demonstrated significant promotion in cell proliferation and migration while cell cycle remained unaffected. Conclusions/Significance High-level expression of Notch signaling increased the risk of metastasis in T1 stage ccRCC by stimulating the proliferation and migration of tumor cells, which may be helpful for the selection of suitable operation method and prognosis of ccRCC.
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Affiliation(s)
- Qing Ai
- Medical School, Nankai University, Tianjin, People's Republic of China
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44
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Arcaroli JJ, Powell RW, Varella-Garcia M, McManus M, Tan AC, Quackenbush KS, Pitts TM, Gao D, Spreafico A, Dasari A, Touban BM, Messersmith WA. ALDH+ tumor-initiating cells exhibiting gain in NOTCH1 gene copy number have enhanced regrowth sensitivity to a γ-secretase inhibitor and irinotecan in colorectal cancer. Mol Oncol 2012; 6:370-81. [PMID: 22521243 DOI: 10.1016/j.molonc.2012.03.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2012] [Revised: 02/25/2012] [Accepted: 03/13/2012] [Indexed: 12/21/2022] Open
Abstract
The Notch signaling pathway has been shown to be upregulated in colorectal cancer (CRC) and important for the self-renewal of cancer stem cells. In this study, we evaluated the efficacy of PF-03084014, a γ-secretase inhibitor, in combination with irinotecan to identify the effects of treatment on tumor recurrence and the tumor-initiating population in our CRC preclinical explant model. The combination of PF-03084014 and irinotecan had the greatest effect at reducing tumor growth on four CRC tumors when compared with treatment with PF-03084014 or irinotecan alone. The combination significantly reduced tumor recurrence in two CRC explants (CRC001 and CRC036) after treatment was discontinued. Both of these tumors exhibited elevated baseline levels of Notch pathway activation as well as an increase in NOTCH1 gene copy number when compared with the two CRC explants (CRC026 and CRC027) where tumors reappeared quickly after termination of treatment. Isolation and injection of aldehyde dehydrogenase (ALDH(+) and ALDH(-)) cells in an in vivo explant model demonstrated that the ALDH(+) cell population were tumorigenic. Evaluation of the ALDH(+) cells after 28 days of treatment showed that the combination reduced the ALDH(+) population in the tumors that did not regrow. Furthermore, ALDH(+) cells from CRC001 and CRC027 were injected in vivo and treated immediately for 28 days. Two months after treatment, tumors were evident in the combination treatment group for CRC027 but not for CRC036. These results indicate the combination of PF-03084014 and irinotecan may be effective in reducing tumor recurrence in CRC patients whose tumors exhibit elevated levels of the Notch pathway.
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Affiliation(s)
- John J Arcaroli
- Division of Medical Oncology, University of Colorado Denver and University of Colorado Cancer Center, Aurora, CO 80045, USA
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45
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Fijneman RJA, Anderson RA, Richards E, Liu J, Tijssen M, Meijer GA, Anderson J, Rod A, O'Sullivan MG, Scott PM, Cormier RT. Runx1 is a tumor suppressor gene in the mouse gastrointestinal tract. Cancer Sci 2012; 103:593-9. [PMID: 22171576 DOI: 10.1111/j.1349-7006.2011.02189.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The Runx1 transcription factor plays an important role in tissue homeostasis through its effects on stem/progenitor cell populations and differentiation. The effect of Runx1 on epithelial differentiation of the secretory cell lineage of the colon was recently demonstrated. This study aimed to examine the role of Runx1 in tumor development in epithelial cells of the gastrointestinal tract. Conditional knockout mice that lacked Runx1 expression in epithelial cells of the GI tract were generated. These mice were crossed onto the Apc(Min) background, killed and their intestinal tumor phenotypes were compared with Apc(Min) Runx1 wild-type control mice. Apc-wild-type Runx1-mutant mice were also examined for tumor development. Colons from Runx1 knockout and wild-type mice were used for genome-wide mRNA expression analyses followed by gene-specific quantitative RT-PCR of whole colon and colon epithelium to identify Runx1 target genes. Runx1 deficiency in intestinal epithelial cells significantly enhanced tumorigenesis in Apc(Min) mice. Notably, epithelial Runx1 deficiency in Apc-wild-type mice was sufficient to cause tumor development. Absence of Runx1 was associated with global changes in the expression of genes involved in inflammation and intestinal metabolism, and with gene sets indicative of a metastatic phenotype and poor prognosis. Gene-specific analysis of Runx1-deficient colon epithelium revealed increased expression of genes linked to an expansion of the stem/progenitor cell population. These results identify Runx1 as a novel tumor suppressor gene for gastrointestinal tumors and support a role for Runx1 in maintaining the balance between the intestinal stem/progenitor cell population and epithelial differentiation of the GI tract.
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Affiliation(s)
- Remond J A Fijneman
- Department of Pathology, VU University Medical Center, Amsterdam, Netherlands
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46
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Morikawa T, Kuchiba A, Qian ZR, Mino-Kenudson M, Hornick JL, Yamauchi M, Imamura Y, Liao X, Nishihara R, Meyerhardt JA, Fuchs CS, Ogino S. Prognostic significance and molecular associations of tumor growth pattern in colorectal cancer. Ann Surg Oncol 2011; 19:1944-53. [PMID: 22189472 DOI: 10.1245/s10434-011-2174-5] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Indexed: 12/18/2022]
Abstract
BACKGROUND Infiltrative growth pattern at the tumor margin has been associated with shorter patient survival. However, little is known about the prognostic significance of tumor growth pattern, independent of tumoral molecular alterations and other histologic features. METHODS Utilizing a database of 1139 colon and rectal cancer patients in two prospective cohort studies, histologic features including tumor growth pattern, tumor differentiation, lymphocytic reaction, mucinous component, and signet ring cell component were recorded by a single pathologist. Cox proportional hazard model was used to compute mortality hazard ratio, adjusting for clinical, pathologic, and tumor molecular features, including microsatellite instability, the CpG island methylator phenotype, long interspersed nucleotide element 1 (LINE-1) methylation, and KRAS, BRAF, and PIK3CA mutations. RESULTS Among 1139 colorectal cancers, we observed expansile growth pattern in 372 tumors (33%), intermediate growth pattern in 610 tumors (54%), and infiltrative growth pattern in 157 tumors (14%). Compared to patients with expansile growth pattern, those with infiltrative growth pattern experienced shorter cancer-specific survival (log rank P < 0.0001; multivariate hazard ratio 1.74; 95% confidence interval 1.22-2.47) and overall survival (log rank P < 0.0001; multivariate hazard ratio 1.78; 95% confidence interval 1.33-2.39). The prognostic association of infiltrative growth pattern was confined to patients with stage I-III disease (P (interaction) with stage = 0.0001). CONCLUSIONS Infiltrative growth pattern was associated with worse prognosis among stage I-III colorectal cancer patients, independent of other clinical, pathologic, and molecular characteristics.
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Affiliation(s)
- Teppei Morikawa
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA.
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47
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Effects of N-[N-(3, 5-difluorophenacetyl-L-alanyl)]-S-phenylglycine t-butyl ester (DAPT) on cell proliferation and apoptosis in Ishikawa endometrial cancer cells. Hum Cell 2011; 25:9-15. [PMID: 22189483 DOI: 10.1007/s13577-011-0038-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Accepted: 12/05/2011] [Indexed: 10/14/2022]
Abstract
Endometrial cancer is one of the most common gynecological malignancies in Japan, where the disease shows an increasing morbidity. However, surgical therapy remains the treatment of choice for endometrial cancers that tend to be insensitive to radiation therapy and chemotherapy. Therefore, novel therapeutic strategies are required. The Notch signaling pathway regulates embryogenesis and cellular development, but deregulated Notch signaling may contribute to tumorigenesis in several cancers. Moreover, γ-secretase inhibitors have been shown to be potent inhibitors of the Notch signaling pathway; they suppress cellular proliferation and induce apoptosis in several cancer cells. In the present study, we investigated the effect of N-[N-(3, 5-difluorophenacetyl-L-alanyl)]-S-phenylglycine t-butyl ester (DAPT, γ-secretase inhibitor) on the cell proliferation and apoptosis in Ishikawa endometrial cancer cells. Real-time PCR detected mRNA derived from NOTCH1 and HES1, which are target genes of the Notch signaling pathway, in Ishikawa endometrial cancer cells. After blocking Notch signaling, cellular proliferation decreased, accompanied by increased expression of p21 mRNA and decreased expression of the cyclin A protein. Furthermore, blockade of Notch signaling induced apoptosis. These results suggest that the Notch signaling pathway may be involved in cell proliferation through cell cycle regulation and apoptosis in Ishikawa endometrial cancer cells. Inhibition of the Notch signaling pathway by γ-secretase inhibitors is expected to be a potential target of novel therapeutic strategies for endometrial cancer.
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48
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Masuda S. Notch1 and Notch2 have opposite prognostic effects on patients with colorectal cancer. Ann Oncol 2011; 22:2533-2534. [DOI: 10.1093/annonc/mdr307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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49
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Chu D, Zhou Y, Zhang Z, Li Y, Li J, Zheng J, Zhang H, Zhao Q, Wang W, Wang R, Ji G. Notch1 expression, which is related to p65 Status, is an independent predictor of prognosis in colorectal cancer. Clin Cancer Res 2011; 17:5686-94. [PMID: 21771876 DOI: 10.1158/1078-0432.ccr-10-3196] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE Notch1 has been proven to be aberrantly expressed in colorectal cancer and related to tumor differentiation status. However, few previous studies concentrated on the predictive role of Notch1 expression on the overall survival of patients with colorectal cancer. This study explored expression of Notch1 and its relationship with p65 and prognosis in colorectal cancer. EXPERIMENTAL DESIGN Two independent study cohorts were involved in the present study. Clinical specimens from 941 eligible patients were constructed into tissue microarrays. The expression of Notch1 and p65 protein was investigated by immunohistochemistry. RESULTS Statistically significant positive correlations were found between protein expression of Notch1 and p65 in both retrospective and prospective study cohorts. Patients with higher Notch1 expression showed a trend of having shorter survival time, whereas patients with lower Notch1 expression had better survival in both study cohorts. In multivariate analysis, Notch1 expression was proven to be an independent predictor of prognosis. Moreover, the prognostic value of Notch1 might differ according to p65 status. CONCLUSIONS Notch1 is an independent predictor of prognosis for patients with colorectal cancer. In addition, the predictive role of Notch1 on clinical outcome might be modified by p65 status, suggesting that targeting Notch1 and nuclear factor κB (NF-κB) might be a promising strategy for colorectal cancer treatment.
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Affiliation(s)
- Dake Chu
- Department of Gastrointestinal Surgery, Xijing Hospital, Tianjin, PR China.
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VOOIJS MARC, LIU ZHENYI, KOPAN RAPHAEL. Notch: architect, landscaper, and guardian of the intestine. Gastroenterology 2011; 141:448-59. [PMID: 21689653 PMCID: PMC4050496 DOI: 10.1053/j.gastro.2011.06.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2011] [Revised: 06/08/2011] [Accepted: 06/08/2011] [Indexed: 12/12/2022]
Abstract
In the past decade, enormous progress has been made in understanding the role of stem cells in physiologic tissue renewal and in pathologic processes such as cancer. These findings have shed light on the identity and biological properties of such cells and the intrinsic and extrinsic signals that balance stem cell self-renewal with differentiation. With its astonishing self-renewal capacity, the intestinal epithelium has provided a unique model to study stem cell biology, lineage specification, and cancer. Here we review the role of Notch signaling in physiologic cell renewal and differentiation in the intestine as well as during its malignant transformation.
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Affiliation(s)
- MARC VOOIJS
- Department of Radiotherapy, Maastricht Radiation Oncology (MAASTRO)/GROW School for Developmental Biology and Oncology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - ZHENYI LIU
- Department of Developmental Biology, Washington University School of Medicine, St Louis, Missouri
| | - RAPHAEL KOPAN
- Department of Developmental Biology, Washington University School of Medicine, St Louis, Missouri
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